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5769d3cd | 1 | /* Target-dependent code for GDB, the GNU debugger. |
ca557f44 | 2 | |
e2882c85 | 3 | Copyright (C) 2001-2018 Free Software Foundation, Inc. |
ca557f44 | 4 | |
5769d3cd AC |
5 | Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) |
6 | for IBM Deutschland Entwicklung GmbH, IBM Corporation. | |
7 | ||
8 | This file is part of GDB. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
5769d3cd AC |
13 | (at your option) any later version. |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
5769d3cd | 22 | |
d0f54f9d | 23 | #include "defs.h" |
5769d3cd AC |
24 | #include "arch-utils.h" |
25 | #include "frame.h" | |
26 | #include "inferior.h" | |
45741a9c | 27 | #include "infrun.h" |
5769d3cd AC |
28 | #include "symtab.h" |
29 | #include "target.h" | |
30 | #include "gdbcore.h" | |
31 | #include "gdbcmd.h" | |
5769d3cd | 32 | #include "objfiles.h" |
7042632b | 33 | #include "osabi.h" |
5769d3cd | 34 | #include "regcache.h" |
a8c99f38 JB |
35 | #include "trad-frame.h" |
36 | #include "frame-base.h" | |
37 | #include "frame-unwind.h" | |
a431654a | 38 | #include "dwarf2-frame.h" |
d0f54f9d JB |
39 | #include "reggroups.h" |
40 | #include "regset.h" | |
fd0407d6 | 41 | #include "value.h" |
a89aa300 | 42 | #include "dis-asm.h" |
76a9d10f | 43 | #include "solib-svr4.h" |
3fc46200 | 44 | #include "prologue-value.h" |
70728992 | 45 | #include "linux-tdep.h" |
0e5fae36 | 46 | #include "s390-linux-tdep.h" |
566c56c9 MK |
47 | #include "linux-record.h" |
48 | #include "record-full.h" | |
4ac33720 | 49 | #include "auxv.h" |
237b092b | 50 | #include "xml-syscall.h" |
5769d3cd | 51 | |
55aa24fb SDJ |
52 | #include "stap-probe.h" |
53 | #include "ax.h" | |
54 | #include "ax-gdb.h" | |
55 | #include "user-regs.h" | |
56 | #include "cli/cli-utils.h" | |
57 | #include <ctype.h> | |
04a83fee | 58 | #include "elf/common.h" |
417c80f9 AA |
59 | #include "elf/s390.h" |
60 | #include "elf-bfd.h" | |
325fac50 | 61 | #include <algorithm> |
55aa24fb | 62 | |
7803799a | 63 | #include "features/s390-linux32.c" |
c642a434 UW |
64 | #include "features/s390-linux32v1.c" |
65 | #include "features/s390-linux32v2.c" | |
7803799a | 66 | #include "features/s390-linux64.c" |
c642a434 UW |
67 | #include "features/s390-linux64v1.c" |
68 | #include "features/s390-linux64v2.c" | |
4ac33720 | 69 | #include "features/s390-te-linux64.c" |
550bdf96 AA |
70 | #include "features/s390-vx-linux64.c" |
71 | #include "features/s390-tevx-linux64.c" | |
1b63490c | 72 | #include "features/s390-gs-linux64.c" |
7803799a | 73 | #include "features/s390x-linux64.c" |
c642a434 UW |
74 | #include "features/s390x-linux64v1.c" |
75 | #include "features/s390x-linux64v2.c" | |
4ac33720 | 76 | #include "features/s390x-te-linux64.c" |
550bdf96 AA |
77 | #include "features/s390x-vx-linux64.c" |
78 | #include "features/s390x-tevx-linux64.c" | |
1b63490c | 79 | #include "features/s390x-gs-linux64.c" |
7803799a | 80 | |
237b092b AA |
81 | #define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml" |
82 | #define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml" | |
83 | ||
65b48a81 PB |
84 | /* Holds the current set of options to be passed to the disassembler. */ |
85 | static char *s390_disassembler_options; | |
86 | ||
52059ffd TT |
87 | enum s390_abi_kind |
88 | { | |
21f6f5ff | 89 | ABI_NONE, |
52059ffd TT |
90 | ABI_LINUX_S390, |
91 | ABI_LINUX_ZSERIES | |
92 | }; | |
93 | ||
417c80f9 AA |
94 | enum s390_vector_abi_kind |
95 | { | |
96 | S390_VECTOR_ABI_NONE, | |
97 | S390_VECTOR_ABI_128 | |
98 | }; | |
99 | ||
d0f54f9d JB |
100 | /* The tdep structure. */ |
101 | ||
102 | struct gdbarch_tdep | |
5769d3cd | 103 | { |
095085d8 PR |
104 | /* Target description. */ |
105 | const struct target_desc *tdesc; | |
106 | ||
b0cf273e | 107 | /* ABI version. */ |
52059ffd | 108 | enum s390_abi_kind abi; |
b0cf273e | 109 | |
417c80f9 AA |
110 | /* Vector ABI. */ |
111 | enum s390_vector_abi_kind vector_abi; | |
112 | ||
7803799a UW |
113 | /* Pseudo register numbers. */ |
114 | int gpr_full_regnum; | |
115 | int pc_regnum; | |
116 | int cc_regnum; | |
550bdf96 | 117 | int v0_full_regnum; |
7803799a | 118 | |
21f6f5ff | 119 | bool have_upper; |
ab9bcc67 PR |
120 | bool have_linux_v1; |
121 | bool have_linux_v2; | |
122 | bool have_tdb; | |
21f6f5ff | 123 | bool have_vx; |
1b63490c | 124 | bool have_gs; |
d0f54f9d JB |
125 | }; |
126 | ||
127 | ||
7803799a UW |
128 | /* ABI call-saved register information. */ |
129 | ||
130 | static int | |
131 | s390_register_call_saved (struct gdbarch *gdbarch, int regnum) | |
d0f54f9d | 132 | { |
7803799a UW |
133 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
134 | ||
135 | switch (tdep->abi) | |
6707b003 | 136 | { |
7803799a UW |
137 | case ABI_LINUX_S390: |
138 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
139 | || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM | |
140 | || regnum == S390_A0_REGNUM) | |
141 | return 1; | |
6707b003 | 142 | |
7803799a UW |
143 | break; |
144 | ||
145 | case ABI_LINUX_ZSERIES: | |
146 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
147 | || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM) | |
148 | || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM)) | |
149 | return 1; | |
150 | ||
151 | break; | |
152 | } | |
153 | ||
154 | return 0; | |
5769d3cd AC |
155 | } |
156 | ||
c642a434 UW |
157 | static int |
158 | s390_cannot_store_register (struct gdbarch *gdbarch, int regnum) | |
159 | { | |
160 | /* The last-break address is read-only. */ | |
161 | return regnum == S390_LAST_BREAK_REGNUM; | |
162 | } | |
163 | ||
164 | static void | |
165 | s390_write_pc (struct regcache *regcache, CORE_ADDR pc) | |
166 | { | |
ac7936df | 167 | struct gdbarch *gdbarch = regcache->arch (); |
c642a434 UW |
168 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
169 | ||
170 | regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc); | |
171 | ||
172 | /* Set special SYSTEM_CALL register to 0 to prevent the kernel from | |
173 | messing with the PC we just installed, if we happen to be within | |
174 | an interrupted system call that the kernel wants to restart. | |
175 | ||
176 | Note that after we return from the dummy call, the SYSTEM_CALL and | |
177 | ORIG_R2 registers will be automatically restored, and the kernel | |
178 | continues to restart the system call at this point. */ | |
179 | if (register_size (gdbarch, S390_SYSTEM_CALL_REGNUM) > 0) | |
180 | regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0); | |
181 | } | |
182 | ||
f79a3bae MK |
183 | /* The "guess_tracepoint_registers" gdbarch method. */ |
184 | ||
185 | static void | |
186 | s390_guess_tracepoint_registers (struct gdbarch *gdbarch, | |
187 | struct regcache *regcache, | |
188 | CORE_ADDR addr) | |
189 | { | |
190 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
191 | int sz = register_size (gdbarch, S390_PSWA_REGNUM); | |
192 | gdb_byte *reg = (gdb_byte *) alloca (sz); | |
193 | ULONGEST pswm, pswa; | |
194 | ||
195 | /* Set PSWA from the location and a default PSWM (the only part we're | |
196 | unlikely to get right is the CC). */ | |
197 | if (tdep->abi == ABI_LINUX_S390) | |
198 | { | |
199 | /* 31-bit PSWA needs high bit set (it's very unlikely the target | |
200 | was in 24-bit mode). */ | |
201 | pswa = addr | 0x80000000UL; | |
202 | pswm = 0x070d0000UL; | |
203 | } | |
204 | else | |
205 | { | |
206 | pswa = addr; | |
207 | pswm = 0x0705000180000000ULL; | |
208 | } | |
209 | ||
210 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa); | |
211 | regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg); | |
212 | ||
213 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm); | |
214 | regcache_raw_supply (regcache, S390_PSWM_REGNUM, reg); | |
215 | } | |
216 | ||
7803799a | 217 | |
d0f54f9d JB |
218 | /* DWARF Register Mapping. */ |
219 | ||
2ccd1468 | 220 | static const short s390_dwarf_regmap[] = |
d0f54f9d | 221 | { |
550bdf96 | 222 | /* 0-15: General Purpose Registers. */ |
d0f54f9d JB |
223 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, |
224 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
225 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
226 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
227 | ||
550bdf96 | 228 | /* 16-31: Floating Point Registers / Vector Registers 0-15. */ |
d0f54f9d JB |
229 | S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM, |
230 | S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM, | |
231 | S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM, | |
232 | S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM, | |
233 | ||
550bdf96 | 234 | /* 32-47: Control Registers (not mapped). */ |
34201ae3 UW |
235 | -1, -1, -1, -1, -1, -1, -1, -1, |
236 | -1, -1, -1, -1, -1, -1, -1, -1, | |
d0f54f9d | 237 | |
550bdf96 | 238 | /* 48-63: Access Registers. */ |
d0f54f9d JB |
239 | S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM, |
240 | S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM, | |
241 | S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM, | |
242 | S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM, | |
243 | ||
550bdf96 | 244 | /* 64-65: Program Status Word. */ |
d0f54f9d | 245 | S390_PSWM_REGNUM, |
7803799a UW |
246 | S390_PSWA_REGNUM, |
247 | ||
550bdf96 AA |
248 | /* 66-67: Reserved. */ |
249 | -1, -1, | |
250 | ||
251 | /* 68-83: Vector Registers 16-31. */ | |
252 | S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM, | |
253 | S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM, | |
254 | S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM, | |
255 | S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM, | |
256 | ||
257 | /* End of "official" DWARF registers. The remainder of the map is | |
258 | for GDB internal use only. */ | |
259 | ||
7803799a UW |
260 | /* GPR Lower Half Access. */ |
261 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, | |
262 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
263 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
264 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
d0f54f9d JB |
265 | }; |
266 | ||
550bdf96 AA |
267 | enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 }; |
268 | ||
d0f54f9d JB |
269 | /* Convert DWARF register number REG to the appropriate register |
270 | number used by GDB. */ | |
a78f21af | 271 | static int |
d3f73121 | 272 | s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg) |
d0f54f9d | 273 | { |
7803799a | 274 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
550bdf96 | 275 | int gdb_reg = -1; |
7803799a | 276 | |
550bdf96 AA |
277 | /* In a 32-on-64 debug scenario, debug info refers to the full |
278 | 64-bit GPRs. Note that call frame information still refers to | |
279 | the 32-bit lower halves, because s390_adjust_frame_regnum uses | |
280 | special register numbers to access GPRs. */ | |
7803799a UW |
281 | if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16) |
282 | return tdep->gpr_full_regnum + reg; | |
d0f54f9d | 283 | |
16aff9a6 | 284 | if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap)) |
550bdf96 AA |
285 | gdb_reg = s390_dwarf_regmap[reg]; |
286 | ||
287 | if (tdep->v0_full_regnum == -1) | |
288 | { | |
289 | if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM) | |
290 | gdb_reg = -1; | |
291 | } | |
292 | else | |
293 | { | |
294 | if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM) | |
295 | gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum; | |
296 | } | |
d0f54f9d | 297 | |
550bdf96 | 298 | return gdb_reg; |
7803799a | 299 | } |
d0f54f9d | 300 | |
7803799a UW |
301 | /* Translate a .eh_frame register to DWARF register, or adjust a |
302 | .debug_frame register. */ | |
303 | static int | |
304 | s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p) | |
305 | { | |
306 | /* See s390_dwarf_reg_to_regnum for comments. */ | |
550bdf96 | 307 | return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num; |
d0f54f9d JB |
308 | } |
309 | ||
d0f54f9d | 310 | |
7803799a UW |
311 | /* Pseudo registers. */ |
312 | ||
2ccd1468 UW |
313 | static int |
314 | regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum) | |
315 | { | |
316 | return (tdep->gpr_full_regnum != -1 | |
317 | && regnum >= tdep->gpr_full_regnum | |
318 | && regnum <= tdep->gpr_full_regnum + 15); | |
319 | } | |
320 | ||
550bdf96 AA |
321 | /* Check whether REGNUM indicates a full vector register (v0-v15). |
322 | These pseudo-registers are composed of f0-f15 and v0l-v15l. */ | |
323 | ||
324 | static int | |
325 | regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum) | |
326 | { | |
327 | return (tdep->v0_full_regnum != -1 | |
328 | && regnum >= tdep->v0_full_regnum | |
329 | && regnum <= tdep->v0_full_regnum + 15); | |
330 | } | |
331 | ||
87de11c0 AA |
332 | /* Return the name of register REGNO. Return the empty string for |
333 | registers that shouldn't be visible. */ | |
550bdf96 AA |
334 | |
335 | static const char * | |
336 | s390_register_name (struct gdbarch *gdbarch, int regnum) | |
337 | { | |
338 | if (regnum >= S390_V0_LOWER_REGNUM | |
339 | && regnum <= S390_V15_LOWER_REGNUM) | |
87de11c0 | 340 | return ""; |
550bdf96 AA |
341 | return tdesc_register_name (gdbarch, regnum); |
342 | } | |
343 | ||
7803799a UW |
344 | static const char * |
345 | s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum) | |
d0f54f9d | 346 | { |
7803799a | 347 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
d0f54f9d | 348 | |
7803799a UW |
349 | if (regnum == tdep->pc_regnum) |
350 | return "pc"; | |
d0f54f9d | 351 | |
7803799a UW |
352 | if (regnum == tdep->cc_regnum) |
353 | return "cc"; | |
d0f54f9d | 354 | |
2ccd1468 | 355 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
356 | { |
357 | static const char *full_name[] = { | |
358 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
359 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
360 | }; | |
361 | return full_name[regnum - tdep->gpr_full_regnum]; | |
d0f54f9d | 362 | } |
7803799a | 363 | |
550bdf96 AA |
364 | if (regnum_is_vxr_full (tdep, regnum)) |
365 | { | |
366 | static const char *full_name[] = { | |
367 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", | |
368 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15" | |
369 | }; | |
370 | return full_name[regnum - tdep->v0_full_regnum]; | |
371 | } | |
372 | ||
7803799a | 373 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
374 | } |
375 | ||
7803799a UW |
376 | static struct type * |
377 | s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum) | |
5769d3cd | 378 | { |
7803799a | 379 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
d0f54f9d | 380 | |
7803799a UW |
381 | if (regnum == tdep->pc_regnum) |
382 | return builtin_type (gdbarch)->builtin_func_ptr; | |
d0f54f9d | 383 | |
7803799a UW |
384 | if (regnum == tdep->cc_regnum) |
385 | return builtin_type (gdbarch)->builtin_int; | |
d0f54f9d | 386 | |
2ccd1468 | 387 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
388 | return builtin_type (gdbarch)->builtin_uint64; |
389 | ||
550bdf96 AA |
390 | if (regnum_is_vxr_full (tdep, regnum)) |
391 | return tdesc_find_type (gdbarch, "vec128"); | |
392 | ||
7803799a | 393 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
5769d3cd AC |
394 | } |
395 | ||
05d1431c | 396 | static enum register_status |
7803799a UW |
397 | s390_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, |
398 | int regnum, gdb_byte *buf) | |
d0f54f9d | 399 | { |
7803799a | 400 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
e17a4113 | 401 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
7803799a | 402 | int regsize = register_size (gdbarch, regnum); |
d0f54f9d JB |
403 | ULONGEST val; |
404 | ||
7803799a | 405 | if (regnum == tdep->pc_regnum) |
d0f54f9d | 406 | { |
05d1431c PA |
407 | enum register_status status; |
408 | ||
03f50fc8 | 409 | status = regcache->raw_read (S390_PSWA_REGNUM, &val); |
05d1431c PA |
410 | if (status == REG_VALID) |
411 | { | |
412 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
413 | val &= 0x7fffffff; | |
414 | store_unsigned_integer (buf, regsize, byte_order, val); | |
415 | } | |
416 | return status; | |
7803799a | 417 | } |
d0f54f9d | 418 | |
7803799a UW |
419 | if (regnum == tdep->cc_regnum) |
420 | { | |
05d1431c PA |
421 | enum register_status status; |
422 | ||
03f50fc8 | 423 | status = regcache->raw_read (S390_PSWM_REGNUM, &val); |
05d1431c PA |
424 | if (status == REG_VALID) |
425 | { | |
426 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
427 | val = (val >> 12) & 3; | |
428 | else | |
429 | val = (val >> 44) & 3; | |
430 | store_unsigned_integer (buf, regsize, byte_order, val); | |
431 | } | |
432 | return status; | |
7803799a | 433 | } |
d0f54f9d | 434 | |
2ccd1468 | 435 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a | 436 | { |
05d1431c | 437 | enum register_status status; |
7803799a | 438 | ULONGEST val_upper; |
05d1431c | 439 | |
7803799a UW |
440 | regnum -= tdep->gpr_full_regnum; |
441 | ||
03f50fc8 | 442 | status = regcache->raw_read (S390_R0_REGNUM + regnum, &val); |
05d1431c | 443 | if (status == REG_VALID) |
03f50fc8 YQ |
444 | status = regcache->raw_read (S390_R0_UPPER_REGNUM + regnum, |
445 | &val_upper); | |
05d1431c PA |
446 | if (status == REG_VALID) |
447 | { | |
448 | val |= val_upper << 32; | |
449 | store_unsigned_integer (buf, regsize, byte_order, val); | |
450 | } | |
451 | return status; | |
d0f54f9d | 452 | } |
7803799a | 453 | |
550bdf96 AA |
454 | if (regnum_is_vxr_full (tdep, regnum)) |
455 | { | |
456 | enum register_status status; | |
457 | ||
458 | regnum -= tdep->v0_full_regnum; | |
459 | ||
03f50fc8 | 460 | status = regcache->raw_read (S390_F0_REGNUM + regnum, buf); |
550bdf96 | 461 | if (status == REG_VALID) |
03f50fc8 | 462 | status = regcache->raw_read (S390_V0_LOWER_REGNUM + regnum, buf + 8); |
550bdf96 AA |
463 | return status; |
464 | } | |
465 | ||
7803799a | 466 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
467 | } |
468 | ||
469 | static void | |
7803799a UW |
470 | s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, |
471 | int regnum, const gdb_byte *buf) | |
d0f54f9d | 472 | { |
7803799a | 473 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
e17a4113 | 474 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
7803799a | 475 | int regsize = register_size (gdbarch, regnum); |
d0f54f9d JB |
476 | ULONGEST val, psw; |
477 | ||
7803799a | 478 | if (regnum == tdep->pc_regnum) |
d0f54f9d | 479 | { |
7803799a UW |
480 | val = extract_unsigned_integer (buf, regsize, byte_order); |
481 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
482 | { | |
483 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw); | |
484 | val = (psw & 0x80000000) | (val & 0x7fffffff); | |
485 | } | |
486 | regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val); | |
487 | return; | |
488 | } | |
d0f54f9d | 489 | |
7803799a UW |
490 | if (regnum == tdep->cc_regnum) |
491 | { | |
492 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
d0f54f9d | 493 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw); |
7803799a UW |
494 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) |
495 | val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12); | |
496 | else | |
497 | val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44); | |
498 | regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val); | |
499 | return; | |
500 | } | |
d0f54f9d | 501 | |
2ccd1468 | 502 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
503 | { |
504 | regnum -= tdep->gpr_full_regnum; | |
505 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
506 | regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum, | |
507 | val & 0xffffffff); | |
508 | regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum, | |
509 | val >> 32); | |
510 | return; | |
d0f54f9d | 511 | } |
7803799a | 512 | |
550bdf96 AA |
513 | if (regnum_is_vxr_full (tdep, regnum)) |
514 | { | |
515 | regnum -= tdep->v0_full_regnum; | |
516 | regcache_raw_write (regcache, S390_F0_REGNUM + regnum, buf); | |
517 | regcache_raw_write (regcache, S390_V0_LOWER_REGNUM + regnum, buf + 8); | |
518 | return; | |
519 | } | |
520 | ||
7803799a | 521 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
522 | } |
523 | ||
524 | /* 'float' values are stored in the upper half of floating-point | |
550bdf96 AA |
525 | registers, even though we are otherwise a big-endian platform. The |
526 | same applies to a 'float' value within a vector. */ | |
d0f54f9d | 527 | |
9acbedc0 | 528 | static struct value * |
2ed3c037 UW |
529 | s390_value_from_register (struct gdbarch *gdbarch, struct type *type, |
530 | int regnum, struct frame_id frame_id) | |
d0f54f9d | 531 | { |
550bdf96 | 532 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
2ed3c037 UW |
533 | struct value *value = default_value_from_register (gdbarch, type, |
534 | regnum, frame_id); | |
744a8059 SP |
535 | check_typedef (type); |
536 | ||
550bdf96 AA |
537 | if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM |
538 | && TYPE_LENGTH (type) < 8) | |
539 | || regnum_is_vxr_full (tdep, regnum) | |
540 | || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM)) | |
9acbedc0 | 541 | set_value_offset (value, 0); |
d0f54f9d | 542 | |
9acbedc0 | 543 | return value; |
d0f54f9d JB |
544 | } |
545 | ||
546 | /* Register groups. */ | |
547 | ||
a78f21af | 548 | static int |
7803799a UW |
549 | s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum, |
550 | struct reggroup *group) | |
d0f54f9d JB |
551 | { |
552 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
553 | ||
d6db1fab UW |
554 | /* We usually save/restore the whole PSW, which includes PC and CC. |
555 | However, some older gdbservers may not support saving/restoring | |
556 | the whole PSW yet, and will return an XML register description | |
557 | excluding those from the save/restore register groups. In those | |
558 | cases, we still need to explicitly save/restore PC and CC in order | |
559 | to push or pop frames. Since this doesn't hurt anything if we | |
560 | already save/restore the whole PSW (it's just redundant), we add | |
561 | PC and CC at this point unconditionally. */ | |
d0f54f9d | 562 | if (group == save_reggroup || group == restore_reggroup) |
7803799a | 563 | return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum; |
d0f54f9d | 564 | |
550bdf96 AA |
565 | if (group == vector_reggroup) |
566 | return regnum_is_vxr_full (tdep, regnum); | |
567 | ||
568 | if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum)) | |
569 | return 0; | |
570 | ||
d0f54f9d JB |
571 | return default_register_reggroup_p (gdbarch, regnum, group); |
572 | } | |
573 | ||
c4b3e547 MK |
574 | /* The "ax_pseudo_register_collect" gdbarch method. */ |
575 | ||
576 | static int | |
577 | s390_ax_pseudo_register_collect (struct gdbarch *gdbarch, | |
578 | struct agent_expr *ax, int regnum) | |
579 | { | |
580 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
581 | if (regnum == tdep->pc_regnum) | |
582 | { | |
583 | ax_reg_mask (ax, S390_PSWA_REGNUM); | |
584 | } | |
585 | else if (regnum == tdep->cc_regnum) | |
586 | { | |
587 | ax_reg_mask (ax, S390_PSWM_REGNUM); | |
588 | } | |
589 | else if (regnum_is_gpr_full (tdep, regnum)) | |
590 | { | |
591 | regnum -= tdep->gpr_full_regnum; | |
592 | ax_reg_mask (ax, S390_R0_REGNUM + regnum); | |
593 | ax_reg_mask (ax, S390_R0_UPPER_REGNUM + regnum); | |
594 | } | |
595 | else if (regnum_is_vxr_full (tdep, regnum)) | |
596 | { | |
597 | regnum -= tdep->v0_full_regnum; | |
598 | ax_reg_mask (ax, S390_F0_REGNUM + regnum); | |
599 | ax_reg_mask (ax, S390_V0_LOWER_REGNUM + regnum); | |
600 | } | |
601 | else | |
602 | { | |
603 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
604 | } | |
605 | return 0; | |
606 | } | |
607 | ||
608 | /* The "ax_pseudo_register_push_stack" gdbarch method. */ | |
609 | ||
610 | static int | |
611 | s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, | |
612 | struct agent_expr *ax, int regnum) | |
613 | { | |
614 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
615 | if (regnum == tdep->pc_regnum) | |
616 | { | |
617 | ax_reg (ax, S390_PSWA_REGNUM); | |
618 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
619 | { | |
620 | ax_zero_ext (ax, 31); | |
621 | } | |
622 | } | |
623 | else if (regnum == tdep->cc_regnum) | |
624 | { | |
625 | ax_reg (ax, S390_PSWM_REGNUM); | |
626 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
627 | ax_const_l (ax, 12); | |
628 | else | |
629 | ax_const_l (ax, 44); | |
630 | ax_simple (ax, aop_rsh_unsigned); | |
631 | ax_zero_ext (ax, 2); | |
632 | } | |
633 | else if (regnum_is_gpr_full (tdep, regnum)) | |
634 | { | |
635 | regnum -= tdep->gpr_full_regnum; | |
636 | ax_reg (ax, S390_R0_REGNUM + regnum); | |
637 | ax_reg (ax, S390_R0_UPPER_REGNUM + regnum); | |
638 | ax_const_l (ax, 32); | |
639 | ax_simple (ax, aop_lsh); | |
640 | ax_simple (ax, aop_bit_or); | |
641 | } | |
642 | else if (regnum_is_vxr_full (tdep, regnum)) | |
643 | { | |
644 | /* Too large to stuff on the stack. */ | |
645 | return 1; | |
646 | } | |
647 | else | |
648 | { | |
649 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
650 | } | |
651 | return 0; | |
652 | } | |
653 | ||
70104a90 MK |
654 | /* The "gen_return_address" gdbarch method. Since this is supposed to be |
655 | just a best-effort method, and we don't really have the means to run | |
656 | the full unwinder here, just collect the link register. */ | |
657 | ||
658 | static void | |
659 | s390_gen_return_address (struct gdbarch *gdbarch, | |
660 | struct agent_expr *ax, struct axs_value *value, | |
661 | CORE_ADDR scope) | |
662 | { | |
663 | value->type = register_type (gdbarch, S390_R14_REGNUM); | |
664 | value->kind = axs_lvalue_register; | |
665 | value->u.reg = S390_R14_REGNUM; | |
666 | } | |
667 | ||
d0f54f9d | 668 | |
6df55226 MK |
669 | /* A helper for s390_software_single_step, decides if an instruction |
670 | is a partial-execution instruction that needs to be executed until | |
671 | completion when in record mode. If it is, returns 1 and writes | |
672 | instruction length to a pointer. */ | |
673 | ||
674 | static int | |
675 | s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len) | |
676 | { | |
677 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
678 | uint16_t insn; | |
679 | ||
680 | insn = read_memory_integer (loc, 2, byte_order); | |
681 | ||
682 | switch (insn >> 8) | |
683 | { | |
684 | case 0xa8: /* MVCLE */ | |
685 | *len = 4; | |
686 | return 1; | |
687 | ||
688 | case 0xeb: | |
689 | { | |
690 | insn = read_memory_integer (loc + 4, 2, byte_order); | |
691 | if ((insn & 0xff) == 0x8e) | |
692 | { | |
693 | /* MVCLU */ | |
694 | *len = 6; | |
695 | return 1; | |
696 | } | |
697 | } | |
698 | break; | |
699 | } | |
700 | ||
701 | switch (insn) | |
702 | { | |
703 | case 0xb255: /* MVST */ | |
704 | case 0xb263: /* CMPSC */ | |
705 | case 0xb2a5: /* TRE */ | |
706 | case 0xb2a6: /* CU21 */ | |
707 | case 0xb2a7: /* CU12 */ | |
708 | case 0xb9b0: /* CU14 */ | |
709 | case 0xb9b1: /* CU24 */ | |
710 | case 0xb9b2: /* CU41 */ | |
711 | case 0xb9b3: /* CU42 */ | |
712 | case 0xb92a: /* KMF */ | |
713 | case 0xb92b: /* KMO */ | |
714 | case 0xb92f: /* KMC */ | |
715 | case 0xb92d: /* KMCTR */ | |
716 | case 0xb92e: /* KM */ | |
717 | case 0xb93c: /* PPNO */ | |
718 | case 0xb990: /* TRTT */ | |
719 | case 0xb991: /* TRTO */ | |
720 | case 0xb992: /* TROT */ | |
721 | case 0xb993: /* TROO */ | |
722 | *len = 4; | |
723 | return 1; | |
724 | } | |
725 | ||
726 | return 0; | |
727 | } | |
728 | ||
729 | /* Implement the "software_single_step" gdbarch method, needed to single step | |
730 | through instructions like MVCLE in record mode, to make sure they are | |
731 | executed to completion. Without that, record will save the full length | |
732 | of destination buffer on every iteration, even though the CPU will only | |
733 | process about 4kiB of it each time, leading to O(n**2) memory and time | |
734 | complexity. */ | |
735 | ||
a0ff9e1a | 736 | static std::vector<CORE_ADDR> |
f5ea389a | 737 | s390_software_single_step (struct regcache *regcache) |
6df55226 | 738 | { |
ac7936df | 739 | struct gdbarch *gdbarch = regcache->arch (); |
ad769689 | 740 | CORE_ADDR loc = regcache_read_pc (regcache); |
6df55226 MK |
741 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
742 | int len; | |
743 | uint16_t insn; | |
744 | ||
745 | /* Special handling only if recording. */ | |
746 | if (!record_full_is_used ()) | |
a0ff9e1a | 747 | return {}; |
6df55226 MK |
748 | |
749 | /* First, match a partial instruction. */ | |
750 | if (!s390_is_partial_instruction (gdbarch, loc, &len)) | |
a0ff9e1a | 751 | return {}; |
6df55226 MK |
752 | |
753 | loc += len; | |
754 | ||
755 | /* Second, look for a branch back to it. */ | |
756 | insn = read_memory_integer (loc, 2, byte_order); | |
757 | if (insn != 0xa714) /* BRC with mask 1 */ | |
a0ff9e1a | 758 | return {}; |
6df55226 MK |
759 | |
760 | insn = read_memory_integer (loc + 2, 2, byte_order); | |
761 | if (insn != (uint16_t) -(len / 2)) | |
a0ff9e1a | 762 | return {}; |
6df55226 MK |
763 | |
764 | loc += 4; | |
765 | ||
766 | /* Found it, step past the whole thing. */ | |
a0ff9e1a | 767 | return {loc}; |
6df55226 MK |
768 | } |
769 | ||
770 | static int | |
771 | s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch, | |
772 | struct displaced_step_closure *closure) | |
773 | { | |
774 | return 1; | |
775 | } | |
776 | ||
777 | ||
2ccd1468 | 778 | /* Maps for register sets. */ |
d0f54f9d | 779 | |
99b7da5d | 780 | static const struct regcache_map_entry s390_gregmap[] = |
2ccd1468 | 781 | { |
99b7da5d AA |
782 | { 1, S390_PSWM_REGNUM }, |
783 | { 1, S390_PSWA_REGNUM }, | |
784 | { 16, S390_R0_REGNUM }, | |
785 | { 16, S390_A0_REGNUM }, | |
786 | { 1, S390_ORIG_R2_REGNUM }, | |
787 | { 0 } | |
2ccd1468 | 788 | }; |
d0f54f9d | 789 | |
99b7da5d | 790 | static const struct regcache_map_entry s390_fpregmap[] = |
2ccd1468 | 791 | { |
99b7da5d AA |
792 | { 1, S390_FPC_REGNUM, 8 }, |
793 | { 16, S390_F0_REGNUM, 8 }, | |
794 | { 0 } | |
2ccd1468 | 795 | }; |
d0f54f9d | 796 | |
99b7da5d | 797 | static const struct regcache_map_entry s390_regmap_upper[] = |
2ccd1468 | 798 | { |
99b7da5d AA |
799 | { 16, S390_R0_UPPER_REGNUM, 4 }, |
800 | { 0 } | |
2ccd1468 | 801 | }; |
7803799a | 802 | |
99b7da5d | 803 | static const struct regcache_map_entry s390_regmap_last_break[] = |
2ccd1468 | 804 | { |
99b7da5d AA |
805 | { 1, REGCACHE_MAP_SKIP, 4 }, |
806 | { 1, S390_LAST_BREAK_REGNUM, 4 }, | |
807 | { 0 } | |
2ccd1468 | 808 | }; |
c642a434 | 809 | |
99b7da5d | 810 | static const struct regcache_map_entry s390x_regmap_last_break[] = |
2ccd1468 | 811 | { |
99b7da5d AA |
812 | { 1, S390_LAST_BREAK_REGNUM, 8 }, |
813 | { 0 } | |
2ccd1468 UW |
814 | }; |
815 | ||
99b7da5d | 816 | static const struct regcache_map_entry s390_regmap_system_call[] = |
2ccd1468 | 817 | { |
99b7da5d AA |
818 | { 1, S390_SYSTEM_CALL_REGNUM, 4 }, |
819 | { 0 } | |
2ccd1468 UW |
820 | }; |
821 | ||
99b7da5d | 822 | static const struct regcache_map_entry s390_regmap_tdb[] = |
2ccd1468 | 823 | { |
99b7da5d AA |
824 | { 1, S390_TDB_DWORD0_REGNUM, 8 }, |
825 | { 1, S390_TDB_ABORT_CODE_REGNUM, 8 }, | |
826 | { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 }, | |
827 | { 1, S390_TDB_ATIA_REGNUM, 8 }, | |
828 | { 12, REGCACHE_MAP_SKIP, 8 }, | |
829 | { 16, S390_TDB_R0_REGNUM, 8 }, | |
830 | { 0 } | |
2ccd1468 | 831 | }; |
c642a434 | 832 | |
550bdf96 AA |
833 | static const struct regcache_map_entry s390_regmap_vxrs_low[] = |
834 | { | |
835 | { 16, S390_V0_LOWER_REGNUM, 8 }, | |
836 | { 0 } | |
837 | }; | |
838 | ||
839 | static const struct regcache_map_entry s390_regmap_vxrs_high[] = | |
840 | { | |
841 | { 16, S390_V16_REGNUM, 16 }, | |
842 | { 0 } | |
843 | }; | |
844 | ||
1b63490c AA |
845 | static const struct regcache_map_entry s390_regmap_gs[] = |
846 | { | |
847 | { 1, REGCACHE_MAP_SKIP, 8 }, | |
848 | { 1, S390_GSD_REGNUM, 8 }, | |
849 | { 1, S390_GSSM_REGNUM, 8 }, | |
850 | { 1, S390_GSEPLA_REGNUM, 8 }, | |
851 | { 0 } | |
852 | }; | |
853 | ||
854 | static const struct regcache_map_entry s390_regmap_gsbc[] = | |
855 | { | |
856 | { 1, REGCACHE_MAP_SKIP, 8 }, | |
857 | { 1, S390_BC_GSD_REGNUM, 8 }, | |
858 | { 1, S390_BC_GSSM_REGNUM, 8 }, | |
859 | { 1, S390_BC_GSEPLA_REGNUM, 8 }, | |
860 | { 0 } | |
861 | }; | |
862 | ||
4ac33720 | 863 | |
99b7da5d AA |
864 | /* Supply the TDB regset. Like regcache_supply_regset, but invalidate |
865 | the TDB registers unless the TDB format field is valid. */ | |
4ac33720 UW |
866 | |
867 | static void | |
868 | s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache, | |
869 | int regnum, const void *regs, size_t len) | |
870 | { | |
871 | ULONGEST tdw; | |
872 | enum register_status ret; | |
4ac33720 | 873 | |
99b7da5d | 874 | regcache_supply_regset (regset, regcache, regnum, regs, len); |
4ac33720 UW |
875 | ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw); |
876 | if (ret != REG_VALID || (tdw >> 56) != 1) | |
99b7da5d | 877 | regcache_supply_regset (regset, regcache, regnum, NULL, len); |
d0f54f9d JB |
878 | } |
879 | ||
99b7da5d AA |
880 | const struct regset s390_gregset = { |
881 | s390_gregmap, | |
882 | regcache_supply_regset, | |
883 | regcache_collect_regset | |
d0f54f9d JB |
884 | }; |
885 | ||
99b7da5d AA |
886 | const struct regset s390_fpregset = { |
887 | s390_fpregmap, | |
888 | regcache_supply_regset, | |
889 | regcache_collect_regset | |
d0f54f9d JB |
890 | }; |
891 | ||
7803799a | 892 | static const struct regset s390_upper_regset = { |
34201ae3 | 893 | s390_regmap_upper, |
99b7da5d AA |
894 | regcache_supply_regset, |
895 | regcache_collect_regset | |
7803799a UW |
896 | }; |
897 | ||
99b7da5d | 898 | const struct regset s390_last_break_regset = { |
c642a434 | 899 | s390_regmap_last_break, |
99b7da5d AA |
900 | regcache_supply_regset, |
901 | regcache_collect_regset | |
c642a434 UW |
902 | }; |
903 | ||
99b7da5d | 904 | const struct regset s390x_last_break_regset = { |
c642a434 | 905 | s390x_regmap_last_break, |
99b7da5d AA |
906 | regcache_supply_regset, |
907 | regcache_collect_regset | |
c642a434 UW |
908 | }; |
909 | ||
99b7da5d | 910 | const struct regset s390_system_call_regset = { |
c642a434 | 911 | s390_regmap_system_call, |
99b7da5d AA |
912 | regcache_supply_regset, |
913 | regcache_collect_regset | |
c642a434 UW |
914 | }; |
915 | ||
99b7da5d | 916 | const struct regset s390_tdb_regset = { |
4ac33720 UW |
917 | s390_regmap_tdb, |
918 | s390_supply_tdb_regset, | |
99b7da5d | 919 | regcache_collect_regset |
4ac33720 UW |
920 | }; |
921 | ||
550bdf96 AA |
922 | const struct regset s390_vxrs_low_regset = { |
923 | s390_regmap_vxrs_low, | |
924 | regcache_supply_regset, | |
925 | regcache_collect_regset | |
926 | }; | |
927 | ||
928 | const struct regset s390_vxrs_high_regset = { | |
929 | s390_regmap_vxrs_high, | |
930 | regcache_supply_regset, | |
931 | regcache_collect_regset | |
932 | }; | |
933 | ||
1b63490c AA |
934 | const struct regset s390_gs_regset = { |
935 | s390_regmap_gs, | |
936 | regcache_supply_regset, | |
937 | regcache_collect_regset | |
938 | }; | |
939 | ||
940 | const struct regset s390_gsbc_regset = { | |
941 | s390_regmap_gsbc, | |
942 | regcache_supply_regset, | |
943 | regcache_collect_regset | |
944 | }; | |
945 | ||
5aa82d05 AA |
946 | /* Iterate over supported core file register note sections. */ |
947 | ||
948 | static void | |
949 | s390_iterate_over_regset_sections (struct gdbarch *gdbarch, | |
950 | iterate_over_regset_sections_cb *cb, | |
951 | void *cb_data, | |
952 | const struct regcache *regcache) | |
953 | { | |
954 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
8f0435f7 AA |
955 | const int gregset_size = (tdep->abi == ABI_LINUX_S390 ? |
956 | s390_sizeof_gregset : s390x_sizeof_gregset); | |
5aa82d05 | 957 | |
8f0435f7 AA |
958 | cb (".reg", gregset_size, &s390_gregset, NULL, cb_data); |
959 | cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data); | |
5aa82d05 AA |
960 | |
961 | if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1) | |
8f0435f7 AA |
962 | cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset, |
963 | "s390 GPR upper halves", cb_data); | |
5aa82d05 AA |
964 | |
965 | if (tdep->have_linux_v1) | |
8f0435f7 AA |
966 | cb (".reg-s390-last-break", 8, |
967 | (gdbarch_ptr_bit (gdbarch) == 32 | |
968 | ? &s390_last_break_regset : &s390x_last_break_regset), | |
34a60ddb | 969 | "s390 last-break address", cb_data); |
5aa82d05 AA |
970 | |
971 | if (tdep->have_linux_v2) | |
8f0435f7 AA |
972 | cb (".reg-s390-system-call", 4, &s390_system_call_regset, |
973 | "s390 system-call", cb_data); | |
5aa82d05 AA |
974 | |
975 | /* If regcache is set, we are in "write" (gcore) mode. In this | |
976 | case, don't iterate over the TDB unless its registers are | |
977 | available. */ | |
978 | if (tdep->have_tdb | |
979 | && (regcache == NULL | |
980 | || REG_VALID == regcache_register_status (regcache, | |
981 | S390_TDB_DWORD0_REGNUM))) | |
8f0435f7 AA |
982 | cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset, |
983 | "s390 TDB", cb_data); | |
550bdf96 AA |
984 | |
985 | if (tdep->v0_full_regnum != -1) | |
986 | { | |
987 | cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset, | |
988 | "s390 vector registers 0-15 lower half", cb_data); | |
989 | cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset, | |
990 | "s390 vector registers 16-31", cb_data); | |
991 | } | |
1b63490c AA |
992 | |
993 | /* Iterate over the guarded-storage regsets if in "read" mode, or if | |
994 | their registers are available. */ | |
995 | if (tdep->have_gs) | |
996 | { | |
997 | if (regcache == NULL | |
998 | || REG_VALID == regcache_register_status (regcache, | |
999 | S390_GSD_REGNUM)) | |
1000 | cb (".reg-s390-gs-cb", 4 * 8, &s390_gs_regset, | |
1001 | "s390 guarded-storage registers", cb_data); | |
1002 | ||
1003 | if (regcache == NULL | |
1004 | || REG_VALID == regcache_register_status (regcache, | |
1005 | S390_BC_GSD_REGNUM)) | |
1006 | cb (".reg-s390-gs-bc", 4 * 8, &s390_gsbc_regset, | |
1007 | "s390 guarded-storage broadcast control", cb_data); | |
1008 | } | |
5aa82d05 AA |
1009 | } |
1010 | ||
7803799a UW |
1011 | static const struct target_desc * |
1012 | s390_core_read_description (struct gdbarch *gdbarch, | |
1013 | struct target_ops *target, bfd *abfd) | |
1014 | { | |
7803799a | 1015 | asection *section = bfd_get_section_by_name (abfd, ".reg"); |
04a83fee | 1016 | CORE_ADDR hwcap = 0; |
1b63490c | 1017 | bool high_gprs, v1, v2, te, vx, gs; |
4ac33720 UW |
1018 | |
1019 | target_auxv_search (target, AT_HWCAP, &hwcap); | |
7803799a UW |
1020 | if (!section) |
1021 | return NULL; | |
1022 | ||
550bdf96 AA |
1023 | high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs") |
1024 | != NULL); | |
1025 | v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL); | |
1026 | v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL); | |
1027 | vx = (hwcap & HWCAP_S390_VX); | |
1028 | te = (hwcap & HWCAP_S390_TE); | |
1b63490c | 1029 | gs = (hwcap & HWCAP_S390_GS); |
550bdf96 | 1030 | |
7803799a UW |
1031 | switch (bfd_section_size (abfd, section)) |
1032 | { | |
1033 | case s390_sizeof_gregset: | |
c642a434 | 1034 | if (high_gprs) |
1b63490c AA |
1035 | return (gs ? tdesc_s390_gs_linux64 : |
1036 | te && vx ? tdesc_s390_tevx_linux64 : | |
550bdf96 AA |
1037 | vx ? tdesc_s390_vx_linux64 : |
1038 | te ? tdesc_s390_te_linux64 : | |
1039 | v2 ? tdesc_s390_linux64v2 : | |
1040 | v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64); | |
c642a434 | 1041 | else |
550bdf96 AA |
1042 | return (v2 ? tdesc_s390_linux32v2 : |
1043 | v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32); | |
7803799a UW |
1044 | |
1045 | case s390x_sizeof_gregset: | |
1b63490c AA |
1046 | return (gs ? tdesc_s390x_gs_linux64 : |
1047 | te && vx ? tdesc_s390x_tevx_linux64 : | |
550bdf96 AA |
1048 | vx ? tdesc_s390x_vx_linux64 : |
1049 | te ? tdesc_s390x_te_linux64 : | |
1050 | v2 ? tdesc_s390x_linux64v2 : | |
1051 | v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64); | |
7803799a UW |
1052 | |
1053 | default: | |
1054 | return NULL; | |
1055 | } | |
1056 | } | |
1057 | ||
d0f54f9d | 1058 | |
4bc8c588 JB |
1059 | /* Decoding S/390 instructions. */ |
1060 | ||
1061 | /* Named opcode values for the S/390 instructions we recognize. Some | |
1062 | instructions have their opcode split across two fields; those are the | |
1063 | op1_* and op2_* enums. */ | |
1064 | enum | |
1065 | { | |
a8c99f38 JB |
1066 | op1_lhi = 0xa7, op2_lhi = 0x08, |
1067 | op1_lghi = 0xa7, op2_lghi = 0x09, | |
00ce08ef | 1068 | op1_lgfi = 0xc0, op2_lgfi = 0x01, |
4bc8c588 | 1069 | op_lr = 0x18, |
a8c99f38 JB |
1070 | op_lgr = 0xb904, |
1071 | op_l = 0x58, | |
1072 | op1_ly = 0xe3, op2_ly = 0x58, | |
1073 | op1_lg = 0xe3, op2_lg = 0x04, | |
1074 | op_lm = 0x98, | |
1075 | op1_lmy = 0xeb, op2_lmy = 0x98, | |
1076 | op1_lmg = 0xeb, op2_lmg = 0x04, | |
4bc8c588 | 1077 | op_st = 0x50, |
a8c99f38 | 1078 | op1_sty = 0xe3, op2_sty = 0x50, |
4bc8c588 | 1079 | op1_stg = 0xe3, op2_stg = 0x24, |
a8c99f38 | 1080 | op_std = 0x60, |
4bc8c588 | 1081 | op_stm = 0x90, |
a8c99f38 | 1082 | op1_stmy = 0xeb, op2_stmy = 0x90, |
4bc8c588 | 1083 | op1_stmg = 0xeb, op2_stmg = 0x24, |
a8c99f38 JB |
1084 | op1_aghi = 0xa7, op2_aghi = 0x0b, |
1085 | op1_ahi = 0xa7, op2_ahi = 0x0a, | |
00ce08ef UW |
1086 | op1_agfi = 0xc2, op2_agfi = 0x08, |
1087 | op1_afi = 0xc2, op2_afi = 0x09, | |
1088 | op1_algfi= 0xc2, op2_algfi= 0x0a, | |
1089 | op1_alfi = 0xc2, op2_alfi = 0x0b, | |
a8c99f38 JB |
1090 | op_ar = 0x1a, |
1091 | op_agr = 0xb908, | |
1092 | op_a = 0x5a, | |
1093 | op1_ay = 0xe3, op2_ay = 0x5a, | |
1094 | op1_ag = 0xe3, op2_ag = 0x08, | |
00ce08ef UW |
1095 | op1_slgfi= 0xc2, op2_slgfi= 0x04, |
1096 | op1_slfi = 0xc2, op2_slfi = 0x05, | |
a8c99f38 JB |
1097 | op_sr = 0x1b, |
1098 | op_sgr = 0xb909, | |
1099 | op_s = 0x5b, | |
1100 | op1_sy = 0xe3, op2_sy = 0x5b, | |
1101 | op1_sg = 0xe3, op2_sg = 0x09, | |
1102 | op_nr = 0x14, | |
1103 | op_ngr = 0xb980, | |
1104 | op_la = 0x41, | |
1105 | op1_lay = 0xe3, op2_lay = 0x71, | |
1106 | op1_larl = 0xc0, op2_larl = 0x00, | |
1107 | op_basr = 0x0d, | |
1108 | op_bas = 0x4d, | |
1109 | op_bcr = 0x07, | |
1110 | op_bc = 0x0d, | |
1db4e8a0 UW |
1111 | op_bctr = 0x06, |
1112 | op_bctgr = 0xb946, | |
1113 | op_bct = 0x46, | |
1114 | op1_bctg = 0xe3, op2_bctg = 0x46, | |
1115 | op_bxh = 0x86, | |
1116 | op1_bxhg = 0xeb, op2_bxhg = 0x44, | |
1117 | op_bxle = 0x87, | |
1118 | op1_bxleg= 0xeb, op2_bxleg= 0x45, | |
a8c99f38 JB |
1119 | op1_bras = 0xa7, op2_bras = 0x05, |
1120 | op1_brasl= 0xc0, op2_brasl= 0x05, | |
1121 | op1_brc = 0xa7, op2_brc = 0x04, | |
1122 | op1_brcl = 0xc0, op2_brcl = 0x04, | |
1db4e8a0 UW |
1123 | op1_brct = 0xa7, op2_brct = 0x06, |
1124 | op1_brctg= 0xa7, op2_brctg= 0x07, | |
1125 | op_brxh = 0x84, | |
1126 | op1_brxhg= 0xec, op2_brxhg= 0x44, | |
1127 | op_brxle = 0x85, | |
1128 | op1_brxlg= 0xec, op2_brxlg= 0x45, | |
237b092b | 1129 | op_svc = 0x0a, |
4bc8c588 JB |
1130 | }; |
1131 | ||
1132 | ||
a8c99f38 JB |
1133 | /* Read a single instruction from address AT. */ |
1134 | ||
1135 | #define S390_MAX_INSTR_SIZE 6 | |
1136 | static int | |
1137 | s390_readinstruction (bfd_byte instr[], CORE_ADDR at) | |
1138 | { | |
1139 | static int s390_instrlen[] = { 2, 4, 4, 6 }; | |
1140 | int instrlen; | |
1141 | ||
8defab1a | 1142 | if (target_read_memory (at, &instr[0], 2)) |
a8c99f38 JB |
1143 | return -1; |
1144 | instrlen = s390_instrlen[instr[0] >> 6]; | |
1145 | if (instrlen > 2) | |
1146 | { | |
8defab1a | 1147 | if (target_read_memory (at + 2, &instr[2], instrlen - 2)) |
34201ae3 | 1148 | return -1; |
a8c99f38 JB |
1149 | } |
1150 | return instrlen; | |
1151 | } | |
1152 | ||
1153 | ||
4bc8c588 JB |
1154 | /* The functions below are for recognizing and decoding S/390 |
1155 | instructions of various formats. Each of them checks whether INSN | |
1156 | is an instruction of the given format, with the specified opcodes. | |
1157 | If it is, it sets the remaining arguments to the values of the | |
1158 | instruction's fields, and returns a non-zero value; otherwise, it | |
1159 | returns zero. | |
1160 | ||
1161 | These functions' arguments appear in the order they appear in the | |
1162 | instruction, not in the machine-language form. So, opcodes always | |
1163 | come first, even though they're sometimes scattered around the | |
1164 | instructions. And displacements appear before base and extension | |
1165 | registers, as they do in the assembly syntax, not at the end, as | |
1166 | they do in the machine language. */ | |
a78f21af | 1167 | static int |
4bc8c588 JB |
1168 | is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2) |
1169 | { | |
1170 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
1171 | { | |
1172 | *r1 = (insn[1] >> 4) & 0xf; | |
1173 | /* i2 is a 16-bit signed quantity. */ | |
1174 | *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000; | |
1175 | return 1; | |
1176 | } | |
1177 | else | |
1178 | return 0; | |
1179 | } | |
8ac0e65a | 1180 | |
5769d3cd | 1181 | |
4bc8c588 JB |
1182 | static int |
1183 | is_ril (bfd_byte *insn, int op1, int op2, | |
34201ae3 | 1184 | unsigned int *r1, int *i2) |
4bc8c588 JB |
1185 | { |
1186 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
1187 | { | |
1188 | *r1 = (insn[1] >> 4) & 0xf; | |
1189 | /* i2 is a signed quantity. If the host 'int' is 32 bits long, | |
34201ae3 UW |
1190 | no sign extension is necessary, but we don't want to assume |
1191 | that. */ | |
4bc8c588 | 1192 | *i2 = (((insn[2] << 24) |
34201ae3 UW |
1193 | | (insn[3] << 16) |
1194 | | (insn[4] << 8) | |
1195 | | (insn[5])) ^ 0x80000000) - 0x80000000; | |
4bc8c588 JB |
1196 | return 1; |
1197 | } | |
1198 | else | |
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | ||
1203 | static int | |
1204 | is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
1205 | { | |
1206 | if (insn[0] == op) | |
1207 | { | |
1208 | *r1 = (insn[1] >> 4) & 0xf; | |
1209 | *r2 = insn[1] & 0xf; | |
1210 | return 1; | |
1211 | } | |
1212 | else | |
1213 | return 0; | |
1214 | } | |
1215 | ||
1216 | ||
1217 | static int | |
1218 | is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
1219 | { | |
1220 | if (((insn[0] << 8) | insn[1]) == op) | |
1221 | { | |
1222 | /* Yes, insn[3]. insn[2] is unused in RRE format. */ | |
1223 | *r1 = (insn[3] >> 4) & 0xf; | |
1224 | *r2 = insn[3] & 0xf; | |
1225 | return 1; | |
1226 | } | |
1227 | else | |
1228 | return 0; | |
1229 | } | |
1230 | ||
1231 | ||
1232 | static int | |
1233 | is_rs (bfd_byte *insn, int op, | |
eb1bd1fb | 1234 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) |
4bc8c588 JB |
1235 | { |
1236 | if (insn[0] == op) | |
1237 | { | |
1238 | *r1 = (insn[1] >> 4) & 0xf; | |
1239 | *r3 = insn[1] & 0xf; | |
1240 | *b2 = (insn[2] >> 4) & 0xf; | |
1241 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
1242 | return 1; | |
1243 | } | |
1244 | else | |
1245 | return 0; | |
1246 | } | |
1247 | ||
1248 | ||
1249 | static int | |
a8c99f38 | 1250 | is_rsy (bfd_byte *insn, int op1, int op2, |
34201ae3 | 1251 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) |
4bc8c588 JB |
1252 | { |
1253 | if (insn[0] == op1 | |
4bc8c588 JB |
1254 | && insn[5] == op2) |
1255 | { | |
1256 | *r1 = (insn[1] >> 4) & 0xf; | |
1257 | *r3 = insn[1] & 0xf; | |
1258 | *b2 = (insn[2] >> 4) & 0xf; | |
a8c99f38 | 1259 | /* The 'long displacement' is a 20-bit signed integer. */ |
34201ae3 | 1260 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) |
a8c99f38 | 1261 | ^ 0x80000) - 0x80000; |
4bc8c588 JB |
1262 | return 1; |
1263 | } | |
1264 | else | |
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | ||
1269 | static int | |
1270 | is_rx (bfd_byte *insn, int op, | |
eb1bd1fb | 1271 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) |
4bc8c588 JB |
1272 | { |
1273 | if (insn[0] == op) | |
1274 | { | |
1275 | *r1 = (insn[1] >> 4) & 0xf; | |
1276 | *x2 = insn[1] & 0xf; | |
1277 | *b2 = (insn[2] >> 4) & 0xf; | |
1278 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
1279 | return 1; | |
1280 | } | |
1281 | else | |
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | ||
1286 | static int | |
a8c99f38 | 1287 | is_rxy (bfd_byte *insn, int op1, int op2, |
34201ae3 | 1288 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) |
4bc8c588 JB |
1289 | { |
1290 | if (insn[0] == op1 | |
4bc8c588 JB |
1291 | && insn[5] == op2) |
1292 | { | |
1293 | *r1 = (insn[1] >> 4) & 0xf; | |
1294 | *x2 = insn[1] & 0xf; | |
1295 | *b2 = (insn[2] >> 4) & 0xf; | |
a8c99f38 | 1296 | /* The 'long displacement' is a 20-bit signed integer. */ |
34201ae3 | 1297 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) |
a8c99f38 | 1298 | ^ 0x80000) - 0x80000; |
4bc8c588 JB |
1299 | return 1; |
1300 | } | |
1301 | else | |
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | ||
3fc46200 | 1306 | /* Prologue analysis. */ |
4bc8c588 | 1307 | |
d0f54f9d JB |
1308 | #define S390_NUM_GPRS 16 |
1309 | #define S390_NUM_FPRS 16 | |
4bc8c588 | 1310 | |
a8c99f38 JB |
1311 | struct s390_prologue_data { |
1312 | ||
ee1b3323 UW |
1313 | /* The stack. */ |
1314 | struct pv_area *stack; | |
1315 | ||
e17a4113 | 1316 | /* The size and byte-order of a GPR or FPR. */ |
a8c99f38 JB |
1317 | int gpr_size; |
1318 | int fpr_size; | |
e17a4113 | 1319 | enum bfd_endian byte_order; |
a8c99f38 JB |
1320 | |
1321 | /* The general-purpose registers. */ | |
3fc46200 | 1322 | pv_t gpr[S390_NUM_GPRS]; |
a8c99f38 JB |
1323 | |
1324 | /* The floating-point registers. */ | |
3fc46200 | 1325 | pv_t fpr[S390_NUM_FPRS]; |
a8c99f38 | 1326 | |
121d8485 UW |
1327 | /* The offset relative to the CFA where the incoming GPR N was saved |
1328 | by the function prologue. 0 if not saved or unknown. */ | |
1329 | int gpr_slot[S390_NUM_GPRS]; | |
4bc8c588 | 1330 | |
121d8485 UW |
1331 | /* Likewise for FPRs. */ |
1332 | int fpr_slot[S390_NUM_FPRS]; | |
4bc8c588 | 1333 | |
121d8485 UW |
1334 | /* Nonzero if the backchain was saved. This is assumed to be the |
1335 | case when the incoming SP is saved at the current SP location. */ | |
1336 | int back_chain_saved_p; | |
1337 | }; | |
4bc8c588 | 1338 | |
3fc46200 UW |
1339 | /* Return the effective address for an X-style instruction, like: |
1340 | ||
34201ae3 | 1341 | L R1, D2(X2, B2) |
3fc46200 UW |
1342 | |
1343 | Here, X2 and B2 are registers, and D2 is a signed 20-bit | |
1344 | constant; the effective address is the sum of all three. If either | |
1345 | X2 or B2 are zero, then it doesn't contribute to the sum --- this | |
1346 | means that r0 can't be used as either X2 or B2. */ | |
1347 | static pv_t | |
1348 | s390_addr (struct s390_prologue_data *data, | |
1349 | int d2, unsigned int x2, unsigned int b2) | |
1350 | { | |
1351 | pv_t result; | |
1352 | ||
1353 | result = pv_constant (d2); | |
1354 | if (x2) | |
1355 | result = pv_add (result, data->gpr[x2]); | |
1356 | if (b2) | |
1357 | result = pv_add (result, data->gpr[b2]); | |
1358 | ||
1359 | return result; | |
1360 | } | |
1361 | ||
1362 | /* Do a SIZE-byte store of VALUE to D2(X2,B2). */ | |
a8c99f38 | 1363 | static void |
3fc46200 UW |
1364 | s390_store (struct s390_prologue_data *data, |
1365 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size, | |
1366 | pv_t value) | |
4bc8c588 | 1367 | { |
3fc46200 | 1368 | pv_t addr = s390_addr (data, d2, x2, b2); |
ee1b3323 | 1369 | pv_t offset; |
121d8485 UW |
1370 | |
1371 | /* Check whether we are storing the backchain. */ | |
3fc46200 | 1372 | offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr); |
121d8485 | 1373 | |
3fc46200 | 1374 | if (pv_is_constant (offset) && offset.k == 0) |
121d8485 | 1375 | if (size == data->gpr_size |
3fc46200 | 1376 | && pv_is_register_k (value, S390_SP_REGNUM, 0)) |
121d8485 UW |
1377 | { |
1378 | data->back_chain_saved_p = 1; | |
1379 | return; | |
1380 | } | |
1381 | ||
1382 | ||
1383 | /* Check whether we are storing a register into the stack. */ | |
f7b7ed97 TT |
1384 | if (!data->stack->store_would_trash (addr)) |
1385 | data->stack->store (addr, size, value); | |
4bc8c588 | 1386 | |
a8c99f38 | 1387 | |
121d8485 UW |
1388 | /* Note: If this is some store we cannot identify, you might think we |
1389 | should forget our cached values, as any of those might have been hit. | |
1390 | ||
1391 | However, we make the assumption that the register save areas are only | |
1392 | ever stored to once in any given function, and we do recognize these | |
1393 | stores. Thus every store we cannot recognize does not hit our data. */ | |
4bc8c588 | 1394 | } |
4bc8c588 | 1395 | |
3fc46200 UW |
1396 | /* Do a SIZE-byte load from D2(X2,B2). */ |
1397 | static pv_t | |
1398 | s390_load (struct s390_prologue_data *data, | |
1399 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size) | |
34201ae3 | 1400 | |
4bc8c588 | 1401 | { |
3fc46200 | 1402 | pv_t addr = s390_addr (data, d2, x2, b2); |
4bc8c588 | 1403 | |
a8c99f38 JB |
1404 | /* If it's a load from an in-line constant pool, then we can |
1405 | simulate that, under the assumption that the code isn't | |
1406 | going to change between the time the processor actually | |
1407 | executed it creating the current frame, and the time when | |
1408 | we're analyzing the code to unwind past that frame. */ | |
3fc46200 | 1409 | if (pv_is_constant (addr)) |
4bc8c588 | 1410 | { |
0542c86d | 1411 | struct target_section *secp; |
3fc46200 | 1412 | secp = target_section_by_addr (¤t_target, addr.k); |
a8c99f38 | 1413 | if (secp != NULL |
34201ae3 | 1414 | && (bfd_get_section_flags (secp->the_bfd_section->owner, |
57e6060e | 1415 | secp->the_bfd_section) |
34201ae3 UW |
1416 | & SEC_READONLY)) |
1417 | return pv_constant (read_memory_integer (addr.k, size, | |
e17a4113 | 1418 | data->byte_order)); |
a8c99f38 | 1419 | } |
7666f43c | 1420 | |
121d8485 | 1421 | /* Check whether we are accessing one of our save slots. */ |
f7b7ed97 | 1422 | return data->stack->fetch (addr, size); |
ee1b3323 | 1423 | } |
121d8485 | 1424 | |
ee1b3323 | 1425 | /* Function for finding saved registers in a 'struct pv_area'; we pass |
f7b7ed97 | 1426 | this to pv_area::scan. |
121d8485 | 1427 | |
ee1b3323 UW |
1428 | If VALUE is a saved register, ADDR says it was saved at a constant |
1429 | offset from the frame base, and SIZE indicates that the whole | |
1430 | register was saved, record its offset in the reg_offset table in | |
1431 | PROLOGUE_UNTYPED. */ | |
1432 | static void | |
c378eb4e MS |
1433 | s390_check_for_saved (void *data_untyped, pv_t addr, |
1434 | CORE_ADDR size, pv_t value) | |
ee1b3323 | 1435 | { |
19ba03f4 | 1436 | struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped; |
ee1b3323 UW |
1437 | int i, offset; |
1438 | ||
1439 | if (!pv_is_register (addr, S390_SP_REGNUM)) | |
1440 | return; | |
1441 | ||
1442 | offset = 16 * data->gpr_size + 32 - addr.k; | |
4bc8c588 | 1443 | |
ee1b3323 UW |
1444 | /* If we are storing the original value of a register, we want to |
1445 | record the CFA offset. If the same register is stored multiple | |
1446 | times, the stack slot with the highest address counts. */ | |
34201ae3 | 1447 | |
ee1b3323 UW |
1448 | for (i = 0; i < S390_NUM_GPRS; i++) |
1449 | if (size == data->gpr_size | |
1450 | && pv_is_register_k (value, S390_R0_REGNUM + i, 0)) | |
1451 | if (data->gpr_slot[i] == 0 | |
1452 | || data->gpr_slot[i] > offset) | |
1453 | { | |
1454 | data->gpr_slot[i] = offset; | |
1455 | return; | |
1456 | } | |
1457 | ||
1458 | for (i = 0; i < S390_NUM_FPRS; i++) | |
1459 | if (size == data->fpr_size | |
1460 | && pv_is_register_k (value, S390_F0_REGNUM + i, 0)) | |
1461 | if (data->fpr_slot[i] == 0 | |
1462 | || data->fpr_slot[i] > offset) | |
1463 | { | |
1464 | data->fpr_slot[i] = offset; | |
1465 | return; | |
1466 | } | |
a8c99f38 | 1467 | } |
4bc8c588 | 1468 | |
a8c99f38 JB |
1469 | /* Analyze the prologue of the function starting at START_PC, |
1470 | continuing at most until CURRENT_PC. Initialize DATA to | |
1471 | hold all information we find out about the state of the registers | |
1472 | and stack slots. Return the address of the instruction after | |
1473 | the last one that changed the SP, FP, or back chain; or zero | |
1474 | on error. */ | |
1475 | static CORE_ADDR | |
1476 | s390_analyze_prologue (struct gdbarch *gdbarch, | |
1477 | CORE_ADDR start_pc, | |
1478 | CORE_ADDR current_pc, | |
1479 | struct s390_prologue_data *data) | |
4bc8c588 | 1480 | { |
a8c99f38 JB |
1481 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
1482 | ||
4bc8c588 | 1483 | /* Our return value: |
a8c99f38 | 1484 | The address of the instruction after the last one that changed |
34201ae3 | 1485 | the SP, FP, or back chain; zero if we got an error trying to |
a8c99f38 JB |
1486 | read memory. */ |
1487 | CORE_ADDR result = start_pc; | |
4bc8c588 | 1488 | |
4bc8c588 JB |
1489 | /* The current PC for our abstract interpretation. */ |
1490 | CORE_ADDR pc; | |
1491 | ||
1492 | /* The address of the next instruction after that. */ | |
1493 | CORE_ADDR next_pc; | |
34201ae3 | 1494 | |
f7b7ed97 TT |
1495 | pv_area stack (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch)); |
1496 | scoped_restore restore_stack = make_scoped_restore (&data->stack, &stack); | |
1497 | ||
4bc8c588 JB |
1498 | /* Set up everything's initial value. */ |
1499 | { | |
1500 | int i; | |
1501 | ||
a8c99f38 JB |
1502 | /* For the purpose of prologue tracking, we consider the GPR size to |
1503 | be equal to the ABI word size, even if it is actually larger | |
1504 | (i.e. when running a 32-bit binary under a 64-bit kernel). */ | |
1505 | data->gpr_size = word_size; | |
1506 | data->fpr_size = 8; | |
e17a4113 | 1507 | data->byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 | 1508 | |
4bc8c588 | 1509 | for (i = 0; i < S390_NUM_GPRS; i++) |
3fc46200 | 1510 | data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0); |
4bc8c588 JB |
1511 | |
1512 | for (i = 0; i < S390_NUM_FPRS; i++) | |
3fc46200 | 1513 | data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0); |
4bc8c588 | 1514 | |
121d8485 UW |
1515 | for (i = 0; i < S390_NUM_GPRS; i++) |
1516 | data->gpr_slot[i] = 0; | |
1517 | ||
1518 | for (i = 0; i < S390_NUM_FPRS; i++) | |
1519 | data->fpr_slot[i] = 0; | |
4bc8c588 | 1520 | |
121d8485 | 1521 | data->back_chain_saved_p = 0; |
4bc8c588 JB |
1522 | } |
1523 | ||
a8c99f38 JB |
1524 | /* Start interpreting instructions, until we hit the frame's |
1525 | current PC or the first branch instruction. */ | |
1526 | for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc) | |
5769d3cd | 1527 | { |
4bc8c588 | 1528 | bfd_byte insn[S390_MAX_INSTR_SIZE]; |
a788de9b | 1529 | int insn_len = s390_readinstruction (insn, pc); |
4bc8c588 | 1530 | |
3fc46200 UW |
1531 | bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 }; |
1532 | bfd_byte *insn32 = word_size == 4 ? insn : dummy; | |
1533 | bfd_byte *insn64 = word_size == 8 ? insn : dummy; | |
1534 | ||
4bc8c588 | 1535 | /* Fields for various kinds of instructions. */ |
a8c99f38 JB |
1536 | unsigned int b2, r1, r2, x2, r3; |
1537 | int i2, d2; | |
4bc8c588 | 1538 | |
121d8485 | 1539 | /* The values of SP and FP before this instruction, |
34201ae3 | 1540 | for detecting instructions that change them. */ |
3fc46200 | 1541 | pv_t pre_insn_sp, pre_insn_fp; |
121d8485 UW |
1542 | /* Likewise for the flag whether the back chain was saved. */ |
1543 | int pre_insn_back_chain_saved_p; | |
4bc8c588 JB |
1544 | |
1545 | /* If we got an error trying to read the instruction, report it. */ | |
1546 | if (insn_len < 0) | |
34201ae3 UW |
1547 | { |
1548 | result = 0; | |
1549 | break; | |
1550 | } | |
4bc8c588 JB |
1551 | |
1552 | next_pc = pc + insn_len; | |
1553 | ||
a8c99f38 JB |
1554 | pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
1555 | pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
121d8485 | 1556 | pre_insn_back_chain_saved_p = data->back_chain_saved_p; |
4bc8c588 | 1557 | |
4bc8c588 | 1558 | |
3fc46200 UW |
1559 | /* LHI r1, i2 --- load halfword immediate. */ |
1560 | /* LGHI r1, i2 --- load halfword immediate (64-bit version). */ | |
1561 | /* LGFI r1, i2 --- load fullword immediate. */ | |
1562 | if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2) | |
34201ae3 UW |
1563 | || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2) |
1564 | || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2)) | |
3fc46200 UW |
1565 | data->gpr[r1] = pv_constant (i2); |
1566 | ||
1567 | /* LR r1, r2 --- load from register. */ | |
1568 | /* LGR r1, r2 --- load from register (64-bit version). */ | |
1569 | else if (is_rr (insn32, op_lr, &r1, &r2) | |
1570 | || is_rre (insn64, op_lgr, &r1, &r2)) | |
1571 | data->gpr[r1] = data->gpr[r2]; | |
1572 | ||
1573 | /* L r1, d2(x2, b2) --- load. */ | |
1574 | /* LY r1, d2(x2, b2) --- load (long-displacement version). */ | |
1575 | /* LG r1, d2(x2, b2) --- load (64-bit version). */ | |
1576 | else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2) | |
1577 | || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2) | |
1578 | || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2)) | |
1579 | data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size); | |
1580 | ||
1581 | /* ST r1, d2(x2, b2) --- store. */ | |
1582 | /* STY r1, d2(x2, b2) --- store (long-displacement version). */ | |
1583 | /* STG r1, d2(x2, b2) --- store (64-bit version). */ | |
1584 | else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2) | |
1585 | || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2) | |
1586 | || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2)) | |
1587 | s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]); | |
1588 | ||
1589 | /* STD r1, d2(x2,b2) --- store floating-point register. */ | |
4bc8c588 | 1590 | else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2)) |
3fc46200 UW |
1591 | s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]); |
1592 | ||
1593 | /* STM r1, r3, d2(b2) --- store multiple. */ | |
c378eb4e MS |
1594 | /* STMY r1, r3, d2(b2) --- store multiple (long-displacement |
1595 | version). */ | |
3fc46200 UW |
1596 | /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */ |
1597 | else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2) | |
1598 | || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2) | |
1599 | || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2)) | |
34201ae3 UW |
1600 | { |
1601 | for (; r1 <= r3; r1++, d2 += data->gpr_size) | |
3fc46200 | 1602 | s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]); |
34201ae3 | 1603 | } |
4bc8c588 | 1604 | |
3fc46200 UW |
1605 | /* AHI r1, i2 --- add halfword immediate. */ |
1606 | /* AGHI r1, i2 --- add halfword immediate (64-bit version). */ | |
1607 | /* AFI r1, i2 --- add fullword immediate. */ | |
1608 | /* AGFI r1, i2 --- add fullword immediate (64-bit version). */ | |
1609 | else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2) | |
1610 | || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2) | |
1611 | || is_ril (insn32, op1_afi, op2_afi, &r1, &i2) | |
1612 | || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2)) | |
1613 | data->gpr[r1] = pv_add_constant (data->gpr[r1], i2); | |
1614 | ||
1615 | /* ALFI r1, i2 --- add logical immediate. */ | |
1616 | /* ALGFI r1, i2 --- add logical immediate (64-bit version). */ | |
1617 | else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2) | |
1618 | || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2)) | |
1619 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
1620 | (CORE_ADDR)i2 & 0xffffffff); | |
1621 | ||
1622 | /* AR r1, r2 -- add register. */ | |
1623 | /* AGR r1, r2 -- add register (64-bit version). */ | |
1624 | else if (is_rr (insn32, op_ar, &r1, &r2) | |
1625 | || is_rre (insn64, op_agr, &r1, &r2)) | |
1626 | data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]); | |
1627 | ||
1628 | /* A r1, d2(x2, b2) -- add. */ | |
1629 | /* AY r1, d2(x2, b2) -- add (long-displacement version). */ | |
1630 | /* AG r1, d2(x2, b2) -- add (64-bit version). */ | |
1631 | else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2) | |
1632 | || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2) | |
1633 | || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2)) | |
1634 | data->gpr[r1] = pv_add (data->gpr[r1], | |
1635 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
1636 | ||
1637 | /* SLFI r1, i2 --- subtract logical immediate. */ | |
1638 | /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */ | |
1639 | else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2) | |
1640 | || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2)) | |
1641 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
1642 | -((CORE_ADDR)i2 & 0xffffffff)); | |
1643 | ||
1644 | /* SR r1, r2 -- subtract register. */ | |
1645 | /* SGR r1, r2 -- subtract register (64-bit version). */ | |
1646 | else if (is_rr (insn32, op_sr, &r1, &r2) | |
1647 | || is_rre (insn64, op_sgr, &r1, &r2)) | |
1648 | data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]); | |
1649 | ||
1650 | /* S r1, d2(x2, b2) -- subtract. */ | |
1651 | /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */ | |
1652 | /* SG r1, d2(x2, b2) -- subtract (64-bit version). */ | |
1653 | else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2) | |
1654 | || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2) | |
1655 | || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2)) | |
1656 | data->gpr[r1] = pv_subtract (data->gpr[r1], | |
1657 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
1658 | ||
1659 | /* LA r1, d2(x2, b2) --- load address. */ | |
1660 | /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */ | |
1661 | else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2) | |
34201ae3 | 1662 | || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2)) |
3fc46200 UW |
1663 | data->gpr[r1] = s390_addr (data, d2, x2, b2); |
1664 | ||
1665 | /* LARL r1, i2 --- load address relative long. */ | |
a8c99f38 | 1666 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) |
3fc46200 | 1667 | data->gpr[r1] = pv_constant (pc + i2 * 2); |
a8c99f38 | 1668 | |
3fc46200 | 1669 | /* BASR r1, 0 --- branch and save. |
34201ae3 | 1670 | Since r2 is zero, this saves the PC in r1, but doesn't branch. */ |
a8c99f38 | 1671 | else if (is_rr (insn, op_basr, &r1, &r2) |
34201ae3 | 1672 | && r2 == 0) |
3fc46200 | 1673 | data->gpr[r1] = pv_constant (next_pc); |
a8c99f38 | 1674 | |
3fc46200 | 1675 | /* BRAS r1, i2 --- branch relative and save. */ |
a8c99f38 | 1676 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)) |
34201ae3 UW |
1677 | { |
1678 | data->gpr[r1] = pv_constant (next_pc); | |
1679 | next_pc = pc + i2 * 2; | |
4bc8c588 | 1680 | |
34201ae3 UW |
1681 | /* We'd better not interpret any backward branches. We'll |
1682 | never terminate. */ | |
1683 | if (next_pc <= pc) | |
1684 | break; | |
1685 | } | |
4bc8c588 | 1686 | |
bc0e3f49 AA |
1687 | /* BRC/BRCL -- branch relative on condition. Ignore "branch |
1688 | never", branch to following instruction, and "conditional | |
1689 | trap" (BRC +2). Otherwise terminate search. */ | |
1690 | else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2)) | |
1691 | { | |
1692 | if (r1 != 0 && i2 != 1 && i2 != 2) | |
1693 | break; | |
1694 | } | |
1695 | else if (is_ril (insn, op1_brcl, op2_brcl, &r1, &i2)) | |
1696 | { | |
1697 | if (r1 != 0 && i2 != 3) | |
1698 | break; | |
1699 | } | |
1700 | ||
a8c99f38 JB |
1701 | /* Terminate search when hitting any other branch instruction. */ |
1702 | else if (is_rr (insn, op_basr, &r1, &r2) | |
1703 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2) | |
1704 | || is_rr (insn, op_bcr, &r1, &r2) | |
1705 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
a8c99f38 JB |
1706 | || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2)) |
1707 | break; | |
1708 | ||
4bc8c588 | 1709 | else |
d4fb63e1 TT |
1710 | { |
1711 | /* An instruction we don't know how to simulate. The only | |
1712 | safe thing to do would be to set every value we're tracking | |
1713 | to 'unknown'. Instead, we'll be optimistic: we assume that | |
1714 | we *can* interpret every instruction that the compiler uses | |
1715 | to manipulate any of the data we're interested in here -- | |
1716 | then we can just ignore anything else. */ | |
1717 | } | |
4bc8c588 JB |
1718 | |
1719 | /* Record the address after the last instruction that changed | |
34201ae3 UW |
1720 | the FP, SP, or backlink. Ignore instructions that changed |
1721 | them back to their original values --- those are probably | |
1722 | restore instructions. (The back chain is never restored, | |
1723 | just popped.) */ | |
4bc8c588 | 1724 | { |
34201ae3 UW |
1725 | pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
1726 | pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
1727 | ||
1728 | if ((! pv_is_identical (pre_insn_sp, sp) | |
1729 | && ! pv_is_register_k (sp, S390_SP_REGNUM, 0) | |
3fc46200 | 1730 | && sp.kind != pvk_unknown) |
34201ae3 UW |
1731 | || (! pv_is_identical (pre_insn_fp, fp) |
1732 | && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0) | |
3fc46200 | 1733 | && fp.kind != pvk_unknown) |
34201ae3 UW |
1734 | || pre_insn_back_chain_saved_p != data->back_chain_saved_p) |
1735 | result = next_pc; | |
4bc8c588 | 1736 | } |
5769d3cd | 1737 | } |
4bc8c588 | 1738 | |
ee1b3323 | 1739 | /* Record where all the registers were saved. */ |
f7b7ed97 | 1740 | data->stack->scan (s390_check_for_saved, data); |
ee1b3323 | 1741 | |
4bc8c588 | 1742 | return result; |
5769d3cd AC |
1743 | } |
1744 | ||
34201ae3 | 1745 | /* Advance PC across any function entry prologue instructions to reach |
a8c99f38 JB |
1746 | some "real" code. */ |
1747 | static CORE_ADDR | |
6093d2eb | 1748 | s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc) |
a8c99f38 JB |
1749 | { |
1750 | struct s390_prologue_data data; | |
f054145e AA |
1751 | CORE_ADDR skip_pc, func_addr; |
1752 | ||
1753 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL)) | |
1754 | { | |
1755 | CORE_ADDR post_prologue_pc | |
1756 | = skip_prologue_using_sal (gdbarch, func_addr); | |
1757 | if (post_prologue_pc != 0) | |
325fac50 | 1758 | return std::max (pc, post_prologue_pc); |
f054145e AA |
1759 | } |
1760 | ||
6093d2eb | 1761 | skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data); |
a8c99f38 JB |
1762 | return skip_pc ? skip_pc : pc; |
1763 | } | |
1764 | ||
c9cf6e20 | 1765 | /* Implmement the stack_frame_destroyed_p gdbarch method. */ |
d0f54f9d | 1766 | static int |
c9cf6e20 | 1767 | s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc) |
d0f54f9d JB |
1768 | { |
1769 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
1770 | ||
1771 | /* In frameless functions, there's not frame to destroy and thus | |
1772 | we don't care about the epilogue. | |
1773 | ||
1774 | In functions with frame, the epilogue sequence is a pair of | |
1775 | a LM-type instruction that restores (amongst others) the | |
1776 | return register %r14 and the stack pointer %r15, followed | |
1777 | by a branch 'br %r14' --or equivalent-- that effects the | |
1778 | actual return. | |
1779 | ||
1780 | In that situation, this function needs to return 'true' in | |
1781 | exactly one case: when pc points to that branch instruction. | |
1782 | ||
1783 | Thus we try to disassemble the one instructions immediately | |
177b42fe | 1784 | preceding pc and check whether it is an LM-type instruction |
d0f54f9d JB |
1785 | modifying the stack pointer. |
1786 | ||
1787 | Note that disassembling backwards is not reliable, so there | |
1788 | is a slight chance of false positives here ... */ | |
1789 | ||
1790 | bfd_byte insn[6]; | |
1791 | unsigned int r1, r3, b2; | |
1792 | int d2; | |
1793 | ||
1794 | if (word_size == 4 | |
8defab1a | 1795 | && !target_read_memory (pc - 4, insn, 4) |
d0f54f9d JB |
1796 | && is_rs (insn, op_lm, &r1, &r3, &d2, &b2) |
1797 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
1798 | return 1; | |
1799 | ||
a8c99f38 | 1800 | if (word_size == 4 |
8defab1a | 1801 | && !target_read_memory (pc - 6, insn, 6) |
a8c99f38 JB |
1802 | && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2) |
1803 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
1804 | return 1; | |
1805 | ||
d0f54f9d | 1806 | if (word_size == 8 |
8defab1a | 1807 | && !target_read_memory (pc - 6, insn, 6) |
a8c99f38 | 1808 | && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2) |
d0f54f9d JB |
1809 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) |
1810 | return 1; | |
1811 | ||
1812 | return 0; | |
1813 | } | |
5769d3cd | 1814 | |
1db4e8a0 UW |
1815 | /* Displaced stepping. */ |
1816 | ||
5ac21343 PA |
1817 | /* Return true if INSN is a non-branch RIL-b or RIL-c format |
1818 | instruction. */ | |
1819 | ||
1820 | static int | |
1821 | is_non_branch_ril (gdb_byte *insn) | |
1822 | { | |
1823 | gdb_byte op1 = insn[0]; | |
1824 | ||
1825 | if (op1 == 0xc4) | |
1826 | { | |
1827 | gdb_byte op2 = insn[1] & 0x0f; | |
1828 | ||
1829 | switch (op2) | |
1830 | { | |
1831 | case 0x02: /* llhrl */ | |
1832 | case 0x04: /* lghrl */ | |
1833 | case 0x05: /* lhrl */ | |
1834 | case 0x06: /* llghrl */ | |
1835 | case 0x07: /* sthrl */ | |
1836 | case 0x08: /* lgrl */ | |
1837 | case 0x0b: /* stgrl */ | |
1838 | case 0x0c: /* lgfrl */ | |
1839 | case 0x0d: /* lrl */ | |
1840 | case 0x0e: /* llgfrl */ | |
1841 | case 0x0f: /* strl */ | |
1842 | return 1; | |
1843 | } | |
1844 | } | |
1845 | else if (op1 == 0xc6) | |
1846 | { | |
1847 | gdb_byte op2 = insn[1] & 0x0f; | |
1848 | ||
1849 | switch (op2) | |
1850 | { | |
1851 | case 0x00: /* exrl */ | |
1852 | case 0x02: /* pfdrl */ | |
1853 | case 0x04: /* cghrl */ | |
1854 | case 0x05: /* chrl */ | |
1855 | case 0x06: /* clghrl */ | |
1856 | case 0x07: /* clhrl */ | |
1857 | case 0x08: /* cgrl */ | |
1858 | case 0x0a: /* clgrl */ | |
1859 | case 0x0c: /* cgfrl */ | |
1860 | case 0x0d: /* crl */ | |
1861 | case 0x0e: /* clgfrl */ | |
1862 | case 0x0f: /* clrl */ | |
1863 | return 1; | |
1864 | } | |
1865 | } | |
1866 | ||
1867 | return 0; | |
1868 | } | |
1869 | ||
cfba9872 SM |
1870 | typedef buf_displaced_step_closure s390_displaced_step_closure; |
1871 | ||
5ac21343 PA |
1872 | /* Implementation of gdbarch_displaced_step_copy_insn. */ |
1873 | ||
1874 | static struct displaced_step_closure * | |
1875 | s390_displaced_step_copy_insn (struct gdbarch *gdbarch, | |
1876 | CORE_ADDR from, CORE_ADDR to, | |
1877 | struct regcache *regs) | |
1878 | { | |
1879 | size_t len = gdbarch_max_insn_length (gdbarch); | |
cfba9872 SM |
1880 | std::unique_ptr<s390_displaced_step_closure> closure |
1881 | (new s390_displaced_step_closure (len)); | |
1882 | gdb_byte *buf = closure->buf.data (); | |
5ac21343 PA |
1883 | |
1884 | read_memory (from, buf, len); | |
1885 | ||
1886 | /* Adjust the displacement field of PC-relative RIL instructions, | |
1887 | except branches. The latter are handled in the fixup hook. */ | |
1888 | if (is_non_branch_ril (buf)) | |
1889 | { | |
1890 | LONGEST offset; | |
1891 | ||
1892 | offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG); | |
1893 | offset = (from - to + offset * 2) / 2; | |
1894 | ||
1895 | /* If the instruction is too far from the jump pad, punt. This | |
1896 | will usually happen with instructions in shared libraries. | |
1897 | We could probably support these by rewriting them to be | |
1898 | absolute or fully emulating them. */ | |
1899 | if (offset < INT32_MIN || offset > INT32_MAX) | |
1900 | { | |
1901 | /* Let the core fall back to stepping over the breakpoint | |
1902 | in-line. */ | |
1903 | if (debug_displaced) | |
1904 | { | |
1905 | fprintf_unfiltered (gdb_stdlog, | |
1906 | "displaced: can't displaced step " | |
1907 | "RIL instruction: offset %s out of range\n", | |
1908 | plongest (offset)); | |
1909 | } | |
cfba9872 | 1910 | |
5ac21343 PA |
1911 | return NULL; |
1912 | } | |
1913 | ||
1914 | store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset); | |
1915 | } | |
1916 | ||
1917 | write_memory (to, buf, len); | |
1918 | ||
1919 | if (debug_displaced) | |
1920 | { | |
1921 | fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ", | |
1922 | paddress (gdbarch, from), paddress (gdbarch, to)); | |
1923 | displaced_step_dump_bytes (gdb_stdlog, buf, len); | |
1924 | } | |
1925 | ||
cfba9872 | 1926 | return closure.release (); |
5ac21343 PA |
1927 | } |
1928 | ||
1db4e8a0 UW |
1929 | /* Fix up the state of registers and memory after having single-stepped |
1930 | a displaced instruction. */ | |
1931 | static void | |
1932 | s390_displaced_step_fixup (struct gdbarch *gdbarch, | |
cfba9872 | 1933 | struct displaced_step_closure *closure_, |
1db4e8a0 UW |
1934 | CORE_ADDR from, CORE_ADDR to, |
1935 | struct regcache *regs) | |
1936 | { | |
5ac21343 | 1937 | /* Our closure is a copy of the instruction. */ |
cfba9872 SM |
1938 | s390_displaced_step_closure *closure |
1939 | = (s390_displaced_step_closure *) closure_; | |
1940 | gdb_byte *insn = closure->buf.data (); | |
1db4e8a0 UW |
1941 | static int s390_instrlen[] = { 2, 4, 4, 6 }; |
1942 | int insnlen = s390_instrlen[insn[0] >> 6]; | |
1943 | ||
1944 | /* Fields for various kinds of instructions. */ | |
1945 | unsigned int b2, r1, r2, x2, r3; | |
1946 | int i2, d2; | |
1947 | ||
1948 | /* Get current PC and addressing mode bit. */ | |
1949 | CORE_ADDR pc = regcache_read_pc (regs); | |
beaabab2 | 1950 | ULONGEST amode = 0; |
1db4e8a0 UW |
1951 | |
1952 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1953 | { | |
1954 | regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode); | |
1955 | amode &= 0x80000000; | |
1956 | } | |
1957 | ||
1958 | if (debug_displaced) | |
1959 | fprintf_unfiltered (gdb_stdlog, | |
0161e4b9 | 1960 | "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n", |
1db4e8a0 | 1961 | paddress (gdbarch, from), paddress (gdbarch, to), |
0161e4b9 | 1962 | paddress (gdbarch, pc), insnlen, (int) amode); |
1db4e8a0 UW |
1963 | |
1964 | /* Handle absolute branch and save instructions. */ | |
1965 | if (is_rr (insn, op_basr, &r1, &r2) | |
1966 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)) | |
1967 | { | |
1968 | /* Recompute saved return address in R1. */ | |
1969 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
1970 | amode | (from + insnlen)); | |
1971 | } | |
1972 | ||
1973 | /* Handle absolute branch instructions. */ | |
1974 | else if (is_rr (insn, op_bcr, &r1, &r2) | |
1975 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
1976 | || is_rr (insn, op_bctr, &r1, &r2) | |
1977 | || is_rre (insn, op_bctgr, &r1, &r2) | |
1978 | || is_rx (insn, op_bct, &r1, &d2, &x2, &b2) | |
1979 | || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2) | |
1980 | || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2) | |
1981 | || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2) | |
1982 | || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2) | |
1983 | || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2)) | |
1984 | { | |
1985 | /* Update PC iff branch was *not* taken. */ | |
1986 | if (pc == to + insnlen) | |
1987 | regcache_write_pc (regs, from + insnlen); | |
1988 | } | |
1989 | ||
1990 | /* Handle PC-relative branch and save instructions. */ | |
1991 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2) | |
34201ae3 | 1992 | || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2)) |
1db4e8a0 UW |
1993 | { |
1994 | /* Update PC. */ | |
1995 | regcache_write_pc (regs, pc - to + from); | |
1996 | /* Recompute saved return address in R1. */ | |
1997 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
1998 | amode | (from + insnlen)); | |
1999 | } | |
2000 | ||
1db4e8a0 UW |
2001 | /* Handle LOAD ADDRESS RELATIVE LONG. */ |
2002 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) | |
2003 | { | |
0161e4b9 UW |
2004 | /* Update PC. */ |
2005 | regcache_write_pc (regs, from + insnlen); | |
34201ae3 | 2006 | /* Recompute output address in R1. */ |
1db4e8a0 | 2007 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, |
0161e4b9 | 2008 | amode | (from + i2 * 2)); |
1db4e8a0 UW |
2009 | } |
2010 | ||
2011 | /* If we executed a breakpoint instruction, point PC right back at it. */ | |
2012 | else if (insn[0] == 0x0 && insn[1] == 0x1) | |
2013 | regcache_write_pc (regs, from); | |
2014 | ||
dcb84eda AA |
2015 | /* For any other insn, adjust PC by negated displacement. PC then |
2016 | points right after the original instruction, except for PC-relative | |
2017 | branches, where it points to the adjusted branch target. */ | |
1db4e8a0 | 2018 | else |
dcb84eda | 2019 | regcache_write_pc (regs, pc - to + from); |
0161e4b9 UW |
2020 | |
2021 | if (debug_displaced) | |
2022 | fprintf_unfiltered (gdb_stdlog, | |
2023 | "displaced: (s390) pc is now %s\n", | |
2024 | paddress (gdbarch, regcache_read_pc (regs))); | |
1db4e8a0 | 2025 | } |
a8c99f38 | 2026 | |
d6db1fab UW |
2027 | |
2028 | /* Helper routine to unwind pseudo registers. */ | |
2029 | ||
2030 | static struct value * | |
2031 | s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum) | |
2032 | { | |
2033 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
2034 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2035 | struct type *type = register_type (gdbarch, regnum); | |
2036 | ||
2037 | /* Unwind PC via PSW address. */ | |
2038 | if (regnum == tdep->pc_regnum) | |
2039 | { | |
2040 | struct value *val; | |
2041 | ||
2042 | val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM); | |
2043 | if (!value_optimized_out (val)) | |
2044 | { | |
2045 | LONGEST pswa = value_as_long (val); | |
2046 | ||
2047 | if (TYPE_LENGTH (type) == 4) | |
2048 | return value_from_pointer (type, pswa & 0x7fffffff); | |
2049 | else | |
2050 | return value_from_pointer (type, pswa); | |
2051 | } | |
2052 | } | |
2053 | ||
2054 | /* Unwind CC via PSW mask. */ | |
2055 | if (regnum == tdep->cc_regnum) | |
2056 | { | |
2057 | struct value *val; | |
2058 | ||
2059 | val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM); | |
2060 | if (!value_optimized_out (val)) | |
2061 | { | |
2062 | LONGEST pswm = value_as_long (val); | |
2063 | ||
2064 | if (TYPE_LENGTH (type) == 4) | |
2065 | return value_from_longest (type, (pswm >> 12) & 3); | |
2066 | else | |
2067 | return value_from_longest (type, (pswm >> 44) & 3); | |
2068 | } | |
2069 | } | |
2070 | ||
2071 | /* Unwind full GPRs to show at least the lower halves (as the | |
2072 | upper halves are undefined). */ | |
2ccd1468 | 2073 | if (regnum_is_gpr_full (tdep, regnum)) |
d6db1fab UW |
2074 | { |
2075 | int reg = regnum - tdep->gpr_full_regnum; | |
2076 | struct value *val; | |
2077 | ||
2078 | val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg); | |
2079 | if (!value_optimized_out (val)) | |
2080 | return value_cast (type, val); | |
2081 | } | |
2082 | ||
2083 | return allocate_optimized_out_value (type); | |
2084 | } | |
2085 | ||
2086 | static struct value * | |
2087 | s390_trad_frame_prev_register (struct frame_info *this_frame, | |
2088 | struct trad_frame_saved_reg saved_regs[], | |
2089 | int regnum) | |
2090 | { | |
2091 | if (regnum < S390_NUM_REGS) | |
2092 | return trad_frame_get_prev_register (this_frame, saved_regs, regnum); | |
2093 | else | |
2094 | return s390_unwind_pseudo_register (this_frame, regnum); | |
2095 | } | |
2096 | ||
2097 | ||
a8c99f38 JB |
2098 | /* Normal stack frames. */ |
2099 | ||
2100 | struct s390_unwind_cache { | |
2101 | ||
2102 | CORE_ADDR func; | |
2103 | CORE_ADDR frame_base; | |
2104 | CORE_ADDR local_base; | |
2105 | ||
2106 | struct trad_frame_saved_reg *saved_regs; | |
2107 | }; | |
2108 | ||
a78f21af | 2109 | static int |
f089c433 | 2110 | s390_prologue_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2111 | struct s390_unwind_cache *info) |
5769d3cd | 2112 | { |
f089c433 | 2113 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 JB |
2114 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
2115 | struct s390_prologue_data data; | |
3fc46200 UW |
2116 | pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; |
2117 | pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; | |
121d8485 UW |
2118 | int i; |
2119 | CORE_ADDR cfa; | |
a8c99f38 JB |
2120 | CORE_ADDR func; |
2121 | CORE_ADDR result; | |
2122 | ULONGEST reg; | |
2123 | CORE_ADDR prev_sp; | |
2124 | int frame_pointer; | |
2125 | int size; | |
edb3359d | 2126 | struct frame_info *next_frame; |
a8c99f38 JB |
2127 | |
2128 | /* Try to find the function start address. If we can't find it, we don't | |
2129 | bother searching for it -- with modern compilers this would be mostly | |
2130 | pointless anyway. Trust that we'll either have valid DWARF-2 CFI data | |
2131 | or else a valid backchain ... */ | |
6d53bec8 AA |
2132 | if (!get_frame_func_if_available (this_frame, &info->func)) |
2133 | { | |
2134 | info->func = -1; | |
2135 | return 0; | |
2136 | } | |
2137 | func = info->func; | |
5769d3cd | 2138 | |
a8c99f38 JB |
2139 | /* Try to analyze the prologue. */ |
2140 | result = s390_analyze_prologue (gdbarch, func, | |
f089c433 | 2141 | get_frame_pc (this_frame), &data); |
a8c99f38 | 2142 | if (!result) |
5769d3cd | 2143 | return 0; |
5769d3cd | 2144 | |
a8c99f38 | 2145 | /* If this was successful, we should have found the instruction that |
34201ae3 | 2146 | sets the stack pointer register to the previous value of the stack |
a8c99f38 | 2147 | pointer minus the frame size. */ |
3fc46200 | 2148 | if (!pv_is_register (*sp, S390_SP_REGNUM)) |
5769d3cd | 2149 | return 0; |
a8c99f38 | 2150 | |
34201ae3 | 2151 | /* A frame size of zero at this point can mean either a real |
a8c99f38 | 2152 | frameless function, or else a failure to find the prologue. |
34201ae3 | 2153 | Perform some sanity checks to verify we really have a |
a8c99f38 JB |
2154 | frameless function. */ |
2155 | if (sp->k == 0) | |
5769d3cd | 2156 | { |
34201ae3 UW |
2157 | /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame |
2158 | size zero. This is only possible if the next frame is a sentinel | |
a8c99f38 | 2159 | frame, a dummy frame, or a signal trampoline frame. */ |
0e100dab AC |
2160 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be |
2161 | needed, instead the code should simpliy rely on its | |
2162 | analysis. */ | |
edb3359d DJ |
2163 | next_frame = get_next_frame (this_frame); |
2164 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2165 | next_frame = get_next_frame (next_frame); | |
2166 | if (next_frame | |
f089c433 | 2167 | && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME) |
5769d3cd | 2168 | return 0; |
5769d3cd | 2169 | |
a8c99f38 JB |
2170 | /* If we really have a frameless function, %r14 must be valid |
2171 | -- in particular, it must point to a different function. */ | |
f089c433 | 2172 | reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM); |
a8c99f38 JB |
2173 | reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1; |
2174 | if (get_pc_function_start (reg) == func) | |
5769d3cd | 2175 | { |
a8c99f38 JB |
2176 | /* However, there is one case where it *is* valid for %r14 |
2177 | to point to the same function -- if this is a recursive | |
2178 | call, and we have stopped in the prologue *before* the | |
2179 | stack frame was allocated. | |
2180 | ||
2181 | Recognize this case by looking ahead a bit ... */ | |
5769d3cd | 2182 | |
a8c99f38 | 2183 | struct s390_prologue_data data2; |
3fc46200 | 2184 | pv_t *sp = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
a8c99f38 JB |
2185 | |
2186 | if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2) | |
34201ae3 UW |
2187 | && pv_is_register (*sp, S390_SP_REGNUM) |
2188 | && sp->k != 0)) | |
a8c99f38 | 2189 | return 0; |
5769d3cd | 2190 | } |
5769d3cd | 2191 | } |
5769d3cd AC |
2192 | |
2193 | ||
a8c99f38 JB |
2194 | /* OK, we've found valid prologue data. */ |
2195 | size = -sp->k; | |
5769d3cd | 2196 | |
a8c99f38 JB |
2197 | /* If the frame pointer originally also holds the same value |
2198 | as the stack pointer, we're probably using it. If it holds | |
2199 | some other value -- even a constant offset -- it is most | |
2200 | likely used as temp register. */ | |
3fc46200 | 2201 | if (pv_is_identical (*sp, *fp)) |
a8c99f38 JB |
2202 | frame_pointer = S390_FRAME_REGNUM; |
2203 | else | |
2204 | frame_pointer = S390_SP_REGNUM; | |
2205 | ||
34201ae3 UW |
2206 | /* If we've detected a function with stack frame, we'll still have to |
2207 | treat it as frameless if we're currently within the function epilog | |
c378eb4e | 2208 | code at a point where the frame pointer has already been restored. |
a8c99f38 | 2209 | This can only happen in an innermost frame. */ |
0e100dab AC |
2210 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed, |
2211 | instead the code should simpliy rely on its analysis. */ | |
edb3359d DJ |
2212 | next_frame = get_next_frame (this_frame); |
2213 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2214 | next_frame = get_next_frame (next_frame); | |
f089c433 | 2215 | if (size > 0 |
edb3359d | 2216 | && (next_frame == NULL |
f089c433 | 2217 | || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME)) |
5769d3cd | 2218 | { |
c9cf6e20 | 2219 | /* See the comment in s390_stack_frame_destroyed_p on why this is |
a8c99f38 | 2220 | not completely reliable ... */ |
c9cf6e20 | 2221 | if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame))) |
5769d3cd | 2222 | { |
a8c99f38 JB |
2223 | memset (&data, 0, sizeof (data)); |
2224 | size = 0; | |
2225 | frame_pointer = S390_SP_REGNUM; | |
5769d3cd | 2226 | } |
5769d3cd | 2227 | } |
5769d3cd | 2228 | |
a8c99f38 JB |
2229 | /* Once we know the frame register and the frame size, we can unwind |
2230 | the current value of the frame register from the next frame, and | |
34201ae3 | 2231 | add back the frame size to arrive that the previous frame's |
a8c99f38 | 2232 | stack pointer value. */ |
f089c433 | 2233 | prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size; |
121d8485 | 2234 | cfa = prev_sp + 16*word_size + 32; |
5769d3cd | 2235 | |
7803799a UW |
2236 | /* Set up ABI call-saved/call-clobbered registers. */ |
2237 | for (i = 0; i < S390_NUM_REGS; i++) | |
2238 | if (!s390_register_call_saved (gdbarch, i)) | |
2239 | trad_frame_set_unknown (info->saved_regs, i); | |
2240 | ||
2241 | /* CC is always call-clobbered. */ | |
d6db1fab | 2242 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); |
7803799a | 2243 | |
121d8485 UW |
2244 | /* Record the addresses of all register spill slots the prologue parser |
2245 | has recognized. Consider only registers defined as call-saved by the | |
2246 | ABI; for call-clobbered registers the parser may have recognized | |
2247 | spurious stores. */ | |
5769d3cd | 2248 | |
7803799a UW |
2249 | for (i = 0; i < 16; i++) |
2250 | if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i) | |
2251 | && data.gpr_slot[i] != 0) | |
121d8485 | 2252 | info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i]; |
a8c99f38 | 2253 | |
7803799a UW |
2254 | for (i = 0; i < 16; i++) |
2255 | if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i) | |
2256 | && data.fpr_slot[i] != 0) | |
2257 | info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i]; | |
a8c99f38 JB |
2258 | |
2259 | /* Function return will set PC to %r14. */ | |
d6db1fab | 2260 | info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM]; |
a8c99f38 JB |
2261 | |
2262 | /* In frameless functions, we unwind simply by moving the return | |
2263 | address to the PC. However, if we actually stored to the | |
2264 | save area, use that -- we might only think the function frameless | |
2265 | because we're in the middle of the prologue ... */ | |
2266 | if (size == 0 | |
d6db1fab | 2267 | && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) |
a8c99f38 | 2268 | { |
d6db1fab | 2269 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; |
5769d3cd | 2270 | } |
a8c99f38 JB |
2271 | |
2272 | /* Another sanity check: unless this is a frameless function, | |
2273 | we should have found spill slots for SP and PC. | |
2274 | If not, we cannot unwind further -- this happens e.g. in | |
2275 | libc's thread_start routine. */ | |
2276 | if (size > 0) | |
5769d3cd | 2277 | { |
a8c99f38 | 2278 | if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM) |
d6db1fab | 2279 | || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) |
a8c99f38 | 2280 | prev_sp = -1; |
5769d3cd | 2281 | } |
a8c99f38 JB |
2282 | |
2283 | /* We use the current value of the frame register as local_base, | |
2284 | and the top of the register save area as frame_base. */ | |
2285 | if (prev_sp != -1) | |
2286 | { | |
2287 | info->frame_base = prev_sp + 16*word_size + 32; | |
2288 | info->local_base = prev_sp - size; | |
2289 | } | |
2290 | ||
a8c99f38 | 2291 | return 1; |
5769d3cd AC |
2292 | } |
2293 | ||
a78f21af | 2294 | static void |
f089c433 | 2295 | s390_backchain_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2296 | struct s390_unwind_cache *info) |
5769d3cd | 2297 | { |
f089c433 | 2298 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 | 2299 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
e17a4113 | 2300 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 JB |
2301 | CORE_ADDR backchain; |
2302 | ULONGEST reg; | |
f2489477 | 2303 | LONGEST sp, tmp; |
7803799a UW |
2304 | int i; |
2305 | ||
2306 | /* Set up ABI call-saved/call-clobbered registers. */ | |
2307 | for (i = 0; i < S390_NUM_REGS; i++) | |
2308 | if (!s390_register_call_saved (gdbarch, i)) | |
2309 | trad_frame_set_unknown (info->saved_regs, i); | |
2310 | ||
2311 | /* CC is always call-clobbered. */ | |
d6db1fab | 2312 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); |
a8c99f38 JB |
2313 | |
2314 | /* Get the backchain. */ | |
f089c433 | 2315 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
f2489477 AA |
2316 | if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp)) |
2317 | tmp = 0; | |
2318 | backchain = (CORE_ADDR) tmp; | |
a8c99f38 JB |
2319 | |
2320 | /* A zero backchain terminates the frame chain. As additional | |
2321 | sanity check, let's verify that the spill slot for SP in the | |
2322 | save area pointed to by the backchain in fact links back to | |
2323 | the save area. */ | |
2324 | if (backchain != 0 | |
e17a4113 UW |
2325 | && safe_read_memory_integer (backchain + 15*word_size, |
2326 | word_size, byte_order, &sp) | |
a8c99f38 JB |
2327 | && (CORE_ADDR)sp == backchain) |
2328 | { | |
2329 | /* We don't know which registers were saved, but it will have | |
34201ae3 UW |
2330 | to be at least %r14 and %r15. This will allow us to continue |
2331 | unwinding, but other prev-frame registers may be incorrect ... */ | |
a8c99f38 JB |
2332 | info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size; |
2333 | info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size; | |
2334 | ||
2335 | /* Function return will set PC to %r14. */ | |
d6db1fab | 2336 | info->saved_regs[S390_PSWA_REGNUM] |
7803799a | 2337 | = info->saved_regs[S390_RETADDR_REGNUM]; |
a8c99f38 JB |
2338 | |
2339 | /* We use the current value of the frame register as local_base, | |
34201ae3 | 2340 | and the top of the register save area as frame_base. */ |
a8c99f38 JB |
2341 | info->frame_base = backchain + 16*word_size + 32; |
2342 | info->local_base = reg; | |
2343 | } | |
2344 | ||
f089c433 | 2345 | info->func = get_frame_pc (this_frame); |
5769d3cd AC |
2346 | } |
2347 | ||
a8c99f38 | 2348 | static struct s390_unwind_cache * |
f089c433 | 2349 | s390_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 JB |
2350 | void **this_prologue_cache) |
2351 | { | |
2352 | struct s390_unwind_cache *info; | |
62261490 | 2353 | |
a8c99f38 | 2354 | if (*this_prologue_cache) |
19ba03f4 | 2355 | return (struct s390_unwind_cache *) *this_prologue_cache; |
a8c99f38 JB |
2356 | |
2357 | info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache); | |
2358 | *this_prologue_cache = info; | |
f089c433 | 2359 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 JB |
2360 | info->func = -1; |
2361 | info->frame_base = -1; | |
2362 | info->local_base = -1; | |
2363 | ||
492d29ea | 2364 | TRY |
62261490 PA |
2365 | { |
2366 | /* Try to use prologue analysis to fill the unwind cache. | |
2367 | If this fails, fall back to reading the stack backchain. */ | |
2368 | if (!s390_prologue_frame_unwind_cache (this_frame, info)) | |
2369 | s390_backchain_frame_unwind_cache (this_frame, info); | |
2370 | } | |
492d29ea | 2371 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2372 | { |
2373 | if (ex.error != NOT_AVAILABLE_ERROR) | |
2374 | throw_exception (ex); | |
2375 | } | |
492d29ea | 2376 | END_CATCH |
a8c99f38 JB |
2377 | |
2378 | return info; | |
2379 | } | |
5769d3cd | 2380 | |
a78f21af | 2381 | static void |
f089c433 | 2382 | s390_frame_this_id (struct frame_info *this_frame, |
a8c99f38 JB |
2383 | void **this_prologue_cache, |
2384 | struct frame_id *this_id) | |
5769d3cd | 2385 | { |
a8c99f38 | 2386 | struct s390_unwind_cache *info |
f089c433 | 2387 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
5769d3cd | 2388 | |
a8c99f38 | 2389 | if (info->frame_base == -1) |
6d53bec8 AA |
2390 | { |
2391 | if (info->func != -1) | |
2392 | *this_id = frame_id_build_unavailable_stack (info->func); | |
2393 | return; | |
2394 | } | |
5769d3cd | 2395 | |
a8c99f38 | 2396 | *this_id = frame_id_build (info->frame_base, info->func); |
5769d3cd AC |
2397 | } |
2398 | ||
f089c433 UW |
2399 | static struct value * |
2400 | s390_frame_prev_register (struct frame_info *this_frame, | |
2401 | void **this_prologue_cache, int regnum) | |
a8c99f38 JB |
2402 | { |
2403 | struct s390_unwind_cache *info | |
f089c433 | 2404 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
7803799a | 2405 | |
d6db1fab | 2406 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2407 | } |
2408 | ||
2409 | static const struct frame_unwind s390_frame_unwind = { | |
2410 | NORMAL_FRAME, | |
8fbca658 | 2411 | default_frame_unwind_stop_reason, |
a8c99f38 | 2412 | s390_frame_this_id, |
f089c433 UW |
2413 | s390_frame_prev_register, |
2414 | NULL, | |
2415 | default_frame_sniffer | |
a8c99f38 JB |
2416 | }; |
2417 | ||
5769d3cd | 2418 | |
8e645ae7 AC |
2419 | /* Code stubs and their stack frames. For things like PLTs and NULL |
2420 | function calls (where there is no true frame and the return address | |
2421 | is in the RETADDR register). */ | |
a8c99f38 | 2422 | |
8e645ae7 AC |
2423 | struct s390_stub_unwind_cache |
2424 | { | |
a8c99f38 JB |
2425 | CORE_ADDR frame_base; |
2426 | struct trad_frame_saved_reg *saved_regs; | |
2427 | }; | |
2428 | ||
8e645ae7 | 2429 | static struct s390_stub_unwind_cache * |
f089c433 | 2430 | s390_stub_frame_unwind_cache (struct frame_info *this_frame, |
8e645ae7 | 2431 | void **this_prologue_cache) |
5769d3cd | 2432 | { |
f089c433 | 2433 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 | 2434 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
8e645ae7 | 2435 | struct s390_stub_unwind_cache *info; |
a8c99f38 | 2436 | ULONGEST reg; |
5c3cf190 | 2437 | |
a8c99f38 | 2438 | if (*this_prologue_cache) |
19ba03f4 | 2439 | return (struct s390_stub_unwind_cache *) *this_prologue_cache; |
5c3cf190 | 2440 | |
8e645ae7 | 2441 | info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache); |
a8c99f38 | 2442 | *this_prologue_cache = info; |
f089c433 | 2443 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 JB |
2444 | |
2445 | /* The return address is in register %r14. */ | |
d6db1fab | 2446 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; |
a8c99f38 JB |
2447 | |
2448 | /* Retrieve stack pointer and determine our frame base. */ | |
f089c433 | 2449 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
a8c99f38 JB |
2450 | info->frame_base = reg + 16*word_size + 32; |
2451 | ||
2452 | return info; | |
5769d3cd AC |
2453 | } |
2454 | ||
a8c99f38 | 2455 | static void |
f089c433 | 2456 | s390_stub_frame_this_id (struct frame_info *this_frame, |
8e645ae7 AC |
2457 | void **this_prologue_cache, |
2458 | struct frame_id *this_id) | |
5769d3cd | 2459 | { |
8e645ae7 | 2460 | struct s390_stub_unwind_cache *info |
f089c433 UW |
2461 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
2462 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); | |
a8c99f38 | 2463 | } |
5769d3cd | 2464 | |
f089c433 UW |
2465 | static struct value * |
2466 | s390_stub_frame_prev_register (struct frame_info *this_frame, | |
2467 | void **this_prologue_cache, int regnum) | |
8e645ae7 AC |
2468 | { |
2469 | struct s390_stub_unwind_cache *info | |
f089c433 | 2470 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
d6db1fab | 2471 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2472 | } |
2473 | ||
f089c433 UW |
2474 | static int |
2475 | s390_stub_frame_sniffer (const struct frame_unwind *self, | |
2476 | struct frame_info *this_frame, | |
2477 | void **this_prologue_cache) | |
a8c99f38 | 2478 | { |
93d42b30 | 2479 | CORE_ADDR addr_in_block; |
8e645ae7 AC |
2480 | bfd_byte insn[S390_MAX_INSTR_SIZE]; |
2481 | ||
2482 | /* If the current PC points to non-readable memory, we assume we | |
2483 | have trapped due to an invalid function pointer call. We handle | |
2484 | the non-existing current function like a PLT stub. */ | |
f089c433 | 2485 | addr_in_block = get_frame_address_in_block (this_frame); |
3e5d3a5a | 2486 | if (in_plt_section (addr_in_block) |
f089c433 UW |
2487 | || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0) |
2488 | return 1; | |
2489 | return 0; | |
a8c99f38 | 2490 | } |
5769d3cd | 2491 | |
f089c433 UW |
2492 | static const struct frame_unwind s390_stub_frame_unwind = { |
2493 | NORMAL_FRAME, | |
8fbca658 | 2494 | default_frame_unwind_stop_reason, |
f089c433 UW |
2495 | s390_stub_frame_this_id, |
2496 | s390_stub_frame_prev_register, | |
2497 | NULL, | |
2498 | s390_stub_frame_sniffer | |
2499 | }; | |
2500 | ||
5769d3cd | 2501 | |
a8c99f38 | 2502 | /* Signal trampoline stack frames. */ |
5769d3cd | 2503 | |
a8c99f38 JB |
2504 | struct s390_sigtramp_unwind_cache { |
2505 | CORE_ADDR frame_base; | |
2506 | struct trad_frame_saved_reg *saved_regs; | |
2507 | }; | |
5769d3cd | 2508 | |
a8c99f38 | 2509 | static struct s390_sigtramp_unwind_cache * |
f089c433 | 2510 | s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2511 | void **this_prologue_cache) |
5769d3cd | 2512 | { |
f089c433 | 2513 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
7803799a | 2514 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
a8c99f38 | 2515 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
e17a4113 | 2516 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 JB |
2517 | struct s390_sigtramp_unwind_cache *info; |
2518 | ULONGEST this_sp, prev_sp; | |
7803799a | 2519 | CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off; |
a8c99f38 JB |
2520 | int i; |
2521 | ||
2522 | if (*this_prologue_cache) | |
19ba03f4 | 2523 | return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache; |
5769d3cd | 2524 | |
a8c99f38 JB |
2525 | info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache); |
2526 | *this_prologue_cache = info; | |
f089c433 | 2527 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 | 2528 | |
f089c433 UW |
2529 | this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
2530 | next_ra = get_frame_pc (this_frame); | |
a8c99f38 JB |
2531 | next_cfa = this_sp + 16*word_size + 32; |
2532 | ||
2533 | /* New-style RT frame: | |
2534 | retcode + alignment (8 bytes) | |
2535 | siginfo (128 bytes) | |
c378eb4e | 2536 | ucontext (contains sigregs at offset 5 words). */ |
a8c99f38 JB |
2537 | if (next_ra == next_cfa) |
2538 | { | |
f0f63663 | 2539 | sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8); |
7803799a UW |
2540 | /* sigregs are followed by uc_sigmask (8 bytes), then by the |
2541 | upper GPR halves if present. */ | |
2542 | sigreg_high_off = 8; | |
a8c99f38 JB |
2543 | } |
2544 | ||
2545 | /* Old-style RT frame and all non-RT frames: | |
2546 | old signal mask (8 bytes) | |
c378eb4e | 2547 | pointer to sigregs. */ |
5769d3cd AC |
2548 | else |
2549 | { | |
e17a4113 UW |
2550 | sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8, |
2551 | word_size, byte_order); | |
7803799a UW |
2552 | /* sigregs are followed by signo (4 bytes), then by the |
2553 | upper GPR halves if present. */ | |
2554 | sigreg_high_off = 4; | |
a8c99f38 | 2555 | } |
5769d3cd | 2556 | |
a8c99f38 | 2557 | /* The sigregs structure looks like this: |
34201ae3 UW |
2558 | long psw_mask; |
2559 | long psw_addr; | |
2560 | long gprs[16]; | |
2561 | int acrs[16]; | |
2562 | int fpc; | |
2563 | int __pad; | |
2564 | double fprs[16]; */ | |
5769d3cd | 2565 | |
7803799a UW |
2566 | /* PSW mask and address. */ |
2567 | info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr; | |
a8c99f38 | 2568 | sigreg_ptr += word_size; |
7803799a | 2569 | info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr; |
a8c99f38 JB |
2570 | sigreg_ptr += word_size; |
2571 | ||
2572 | /* Then the GPRs. */ | |
2573 | for (i = 0; i < 16; i++) | |
2574 | { | |
2575 | info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr; | |
2576 | sigreg_ptr += word_size; | |
2577 | } | |
2578 | ||
2579 | /* Then the ACRs. */ | |
2580 | for (i = 0; i < 16; i++) | |
2581 | { | |
2582 | info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr; | |
2583 | sigreg_ptr += 4; | |
5769d3cd | 2584 | } |
5769d3cd | 2585 | |
a8c99f38 JB |
2586 | /* The floating-point control word. */ |
2587 | info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr; | |
2588 | sigreg_ptr += 8; | |
5769d3cd | 2589 | |
a8c99f38 JB |
2590 | /* And finally the FPRs. */ |
2591 | for (i = 0; i < 16; i++) | |
2592 | { | |
2593 | info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr; | |
2594 | sigreg_ptr += 8; | |
2595 | } | |
2596 | ||
7803799a UW |
2597 | /* If we have them, the GPR upper halves are appended at the end. */ |
2598 | sigreg_ptr += sigreg_high_off; | |
2599 | if (tdep->gpr_full_regnum != -1) | |
2600 | for (i = 0; i < 16; i++) | |
2601 | { | |
34201ae3 | 2602 | info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr; |
7803799a UW |
2603 | sigreg_ptr += 4; |
2604 | } | |
2605 | ||
a8c99f38 JB |
2606 | /* Restore the previous frame's SP. */ |
2607 | prev_sp = read_memory_unsigned_integer ( | |
2608 | info->saved_regs[S390_SP_REGNUM].addr, | |
e17a4113 | 2609 | word_size, byte_order); |
5769d3cd | 2610 | |
a8c99f38 JB |
2611 | /* Determine our frame base. */ |
2612 | info->frame_base = prev_sp + 16*word_size + 32; | |
5769d3cd | 2613 | |
a8c99f38 | 2614 | return info; |
5769d3cd AC |
2615 | } |
2616 | ||
a8c99f38 | 2617 | static void |
f089c433 | 2618 | s390_sigtramp_frame_this_id (struct frame_info *this_frame, |
a8c99f38 JB |
2619 | void **this_prologue_cache, |
2620 | struct frame_id *this_id) | |
5769d3cd | 2621 | { |
a8c99f38 | 2622 | struct s390_sigtramp_unwind_cache *info |
f089c433 UW |
2623 | = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
2624 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); | |
5769d3cd AC |
2625 | } |
2626 | ||
f089c433 UW |
2627 | static struct value * |
2628 | s390_sigtramp_frame_prev_register (struct frame_info *this_frame, | |
2629 | void **this_prologue_cache, int regnum) | |
a8c99f38 JB |
2630 | { |
2631 | struct s390_sigtramp_unwind_cache *info | |
f089c433 | 2632 | = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
d6db1fab | 2633 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2634 | } |
2635 | ||
f089c433 UW |
2636 | static int |
2637 | s390_sigtramp_frame_sniffer (const struct frame_unwind *self, | |
2638 | struct frame_info *this_frame, | |
2639 | void **this_prologue_cache) | |
5769d3cd | 2640 | { |
f089c433 | 2641 | CORE_ADDR pc = get_frame_pc (this_frame); |
a8c99f38 | 2642 | bfd_byte sigreturn[2]; |
4c8287ac | 2643 | |
8defab1a | 2644 | if (target_read_memory (pc, sigreturn, 2)) |
f089c433 | 2645 | return 0; |
4c8287ac | 2646 | |
237b092b | 2647 | if (sigreturn[0] != op_svc) |
f089c433 | 2648 | return 0; |
5769d3cd | 2649 | |
a8c99f38 JB |
2650 | if (sigreturn[1] != 119 /* sigreturn */ |
2651 | && sigreturn[1] != 173 /* rt_sigreturn */) | |
f089c433 | 2652 | return 0; |
34201ae3 | 2653 | |
f089c433 | 2654 | return 1; |
5769d3cd AC |
2655 | } |
2656 | ||
f089c433 UW |
2657 | static const struct frame_unwind s390_sigtramp_frame_unwind = { |
2658 | SIGTRAMP_FRAME, | |
8fbca658 | 2659 | default_frame_unwind_stop_reason, |
f089c433 UW |
2660 | s390_sigtramp_frame_this_id, |
2661 | s390_sigtramp_frame_prev_register, | |
2662 | NULL, | |
2663 | s390_sigtramp_frame_sniffer | |
2664 | }; | |
2665 | ||
237b092b AA |
2666 | /* Retrieve the syscall number at a ptrace syscall-stop. Return -1 |
2667 | upon error. */ | |
2668 | ||
2669 | static LONGEST | |
2670 | s390_linux_get_syscall_number (struct gdbarch *gdbarch, | |
2671 | ptid_t ptid) | |
2672 | { | |
2673 | struct regcache *regs = get_thread_regcache (ptid); | |
2674 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2675 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
2676 | ULONGEST pc; | |
2677 | ULONGEST svc_number = -1; | |
2678 | unsigned opcode; | |
2679 | ||
2680 | /* Assume that the PC points after the 2-byte SVC instruction. We | |
2681 | don't currently support SVC via EXECUTE. */ | |
2682 | regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc); | |
2683 | pc -= 2; | |
2684 | opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order); | |
2685 | if (opcode != op_svc) | |
2686 | return -1; | |
2687 | ||
2688 | svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1, | |
2689 | byte_order); | |
2690 | if (svc_number == 0) | |
2691 | regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number); | |
2692 | ||
2693 | return svc_number; | |
2694 | } | |
2695 | ||
566c56c9 MK |
2696 | /* Process record-replay */ |
2697 | ||
2698 | static struct linux_record_tdep s390_linux_record_tdep; | |
2699 | static struct linux_record_tdep s390x_linux_record_tdep; | |
2700 | ||
2701 | /* Record all registers but PC register for process-record. */ | |
2702 | ||
2703 | static int | |
2704 | s390_all_but_pc_registers_record (struct regcache *regcache) | |
2705 | { | |
ac7936df | 2706 | struct gdbarch *gdbarch = regcache->arch (); |
566c56c9 MK |
2707 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
2708 | int i; | |
2709 | ||
2710 | for (i = 0; i < 16; i++) | |
2711 | { | |
2712 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2713 | return -1; | |
2714 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
2715 | return -1; | |
2716 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) | |
2717 | return -1; | |
2718 | if (tdep->gpr_full_regnum != -1) | |
2719 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2720 | return -1; | |
2721 | if (tdep->v0_full_regnum != -1) | |
2722 | { | |
2723 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) | |
2724 | return -1; | |
2725 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i)) | |
2726 | return -1; | |
2727 | } | |
2728 | } | |
2729 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
2730 | return -1; | |
2731 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
2732 | return -1; | |
2733 | ||
2734 | return 0; | |
2735 | } | |
2736 | ||
2737 | static enum gdb_syscall | |
2738 | s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi) | |
2739 | { | |
2740 | switch (syscall) | |
2741 | { | |
2742 | /* s390 syscall numbers < 222 are mostly the same as x86, so just list | |
2743 | the exceptions. */ | |
2744 | case 0: | |
2745 | return gdb_sys_no_syscall; | |
2746 | case 7: | |
2747 | return gdb_sys_restart_syscall; | |
2748 | /* These syscalls work only on 31-bit. */ | |
2749 | case 13: /* time */ | |
2750 | case 16: /* lchown[16] */ | |
2751 | case 23: /* setuid[16] */ | |
2752 | case 24: /* getuid[16] */ | |
2753 | case 25: /* stime */ | |
2754 | case 46: /* setgid[16] */ | |
2755 | case 47: /* getgid[16] */ | |
2756 | case 49: /* seteuid[16] */ | |
2757 | case 50: /* getegid[16] */ | |
2758 | case 70: /* setreuid[16] */ | |
2759 | case 71: /* setregid[16] */ | |
2760 | case 76: /* [old_]getrlimit */ | |
2761 | case 80: /* getgroups[16] */ | |
2762 | case 81: /* setgroups[16] */ | |
2763 | case 95: /* fchown[16] */ | |
2764 | case 101: /* ioperm */ | |
2765 | case 138: /* setfsuid[16] */ | |
2766 | case 139: /* setfsgid[16] */ | |
2767 | case 140: /* _llseek */ | |
2768 | case 164: /* setresuid[16] */ | |
2769 | case 165: /* getresuid[16] */ | |
2770 | case 170: /* setresgid[16] */ | |
2771 | case 171: /* getresgid[16] */ | |
2772 | case 182: /* chown[16] */ | |
2773 | case 192: /* mmap2 */ | |
2774 | case 193: /* truncate64 */ | |
2775 | case 194: /* ftruncate64 */ | |
2776 | case 195: /* stat64 */ | |
2777 | case 196: /* lstat64 */ | |
2778 | case 197: /* fstat64 */ | |
2779 | case 221: /* fcntl64 */ | |
2780 | if (abi == ABI_LINUX_S390) | |
4d193179 | 2781 | return (enum gdb_syscall) syscall; |
566c56c9 MK |
2782 | return gdb_sys_no_syscall; |
2783 | /* These syscalls don't exist on s390. */ | |
2784 | case 17: /* break */ | |
2785 | case 18: /* oldstat */ | |
2786 | case 28: /* oldfstat */ | |
2787 | case 31: /* stty */ | |
2788 | case 32: /* gtty */ | |
2789 | case 35: /* ftime */ | |
2790 | case 44: /* prof */ | |
2791 | case 53: /* lock */ | |
2792 | case 56: /* mpx */ | |
2793 | case 58: /* ulimit */ | |
2794 | case 59: /* oldolduname */ | |
2795 | case 68: /* sgetmask */ | |
2796 | case 69: /* ssetmask */ | |
2797 | case 82: /* [old_]select */ | |
2798 | case 84: /* oldlstat */ | |
2799 | case 98: /* profil */ | |
2800 | case 109: /* olduname */ | |
2801 | case 113: /* vm86old */ | |
2802 | case 123: /* modify_ldt */ | |
2803 | case 166: /* vm86 */ | |
2804 | return gdb_sys_no_syscall; | |
2805 | case 110: | |
2806 | return gdb_sys_lookup_dcookie; | |
2807 | /* Here come the differences. */ | |
2808 | case 222: | |
2809 | return gdb_sys_readahead; | |
2810 | case 223: | |
2811 | if (abi == ABI_LINUX_S390) | |
2812 | return gdb_sys_sendfile64; | |
2813 | return gdb_sys_no_syscall; | |
2814 | /* 224-235 handled below */ | |
2815 | case 236: | |
2816 | return gdb_sys_gettid; | |
2817 | case 237: | |
2818 | return gdb_sys_tkill; | |
2819 | case 238: | |
2820 | return gdb_sys_futex; | |
2821 | case 239: | |
2822 | return gdb_sys_sched_setaffinity; | |
2823 | case 240: | |
2824 | return gdb_sys_sched_getaffinity; | |
2825 | case 241: | |
2826 | return gdb_sys_tgkill; | |
2827 | /* 242 reserved */ | |
2828 | case 243: | |
2829 | return gdb_sys_io_setup; | |
2830 | case 244: | |
2831 | return gdb_sys_io_destroy; | |
2832 | case 245: | |
2833 | return gdb_sys_io_getevents; | |
2834 | case 246: | |
2835 | return gdb_sys_io_submit; | |
2836 | case 247: | |
2837 | return gdb_sys_io_cancel; | |
2838 | case 248: | |
2839 | return gdb_sys_exit_group; | |
2840 | case 249: | |
2841 | return gdb_sys_epoll_create; | |
2842 | case 250: | |
2843 | return gdb_sys_epoll_ctl; | |
2844 | case 251: | |
2845 | return gdb_sys_epoll_wait; | |
2846 | case 252: | |
2847 | return gdb_sys_set_tid_address; | |
2848 | case 253: | |
2849 | return gdb_sys_fadvise64; | |
2850 | /* 254-262 handled below */ | |
2851 | /* 263 reserved */ | |
2852 | case 264: | |
2853 | if (abi == ABI_LINUX_S390) | |
2854 | return gdb_sys_fadvise64_64; | |
2855 | return gdb_sys_no_syscall; | |
2856 | case 265: | |
2857 | return gdb_sys_statfs64; | |
2858 | case 266: | |
2859 | return gdb_sys_fstatfs64; | |
2860 | case 267: | |
2861 | return gdb_sys_remap_file_pages; | |
2862 | /* 268-270 reserved */ | |
2863 | /* 271-277 handled below */ | |
2864 | case 278: | |
2865 | return gdb_sys_add_key; | |
2866 | case 279: | |
2867 | return gdb_sys_request_key; | |
2868 | case 280: | |
2869 | return gdb_sys_keyctl; | |
2870 | case 281: | |
2871 | return gdb_sys_waitid; | |
2872 | /* 282-312 handled below */ | |
2873 | case 293: | |
2874 | if (abi == ABI_LINUX_S390) | |
2875 | return gdb_sys_fstatat64; | |
2876 | return gdb_sys_newfstatat; | |
2877 | /* 313+ not yet supported */ | |
2878 | default: | |
4d193179 SM |
2879 | { |
2880 | int ret; | |
2881 | ||
2882 | /* Most "old" syscalls copied from i386. */ | |
2883 | if (syscall <= 221) | |
2884 | ret = syscall; | |
2885 | /* xattr syscalls. */ | |
2886 | else if (syscall >= 224 && syscall <= 235) | |
2887 | ret = syscall + 2; | |
2888 | /* timer syscalls. */ | |
2889 | else if (syscall >= 254 && syscall <= 262) | |
2890 | ret = syscall + 5; | |
2891 | /* mq_* and kexec_load */ | |
2892 | else if (syscall >= 271 && syscall <= 277) | |
2893 | ret = syscall + 6; | |
2894 | /* ioprio_set .. epoll_pwait */ | |
2895 | else if (syscall >= 282 && syscall <= 312) | |
2896 | ret = syscall + 7; | |
2897 | else | |
2898 | ret = gdb_sys_no_syscall; | |
2899 | ||
2900 | return (enum gdb_syscall) ret; | |
2901 | } | |
566c56c9 MK |
2902 | } |
2903 | } | |
2904 | ||
2905 | static int | |
2906 | s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native) | |
2907 | { | |
ac7936df | 2908 | struct gdbarch *gdbarch = regcache->arch (); |
566c56c9 MK |
2909 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
2910 | int ret; | |
2911 | enum gdb_syscall syscall_gdb; | |
2912 | ||
2913 | /* On s390, syscall number can be passed either as immediate field of svc | |
2914 | instruction, or in %r1 (with svc 0). */ | |
2915 | if (syscall_native == 0) | |
2916 | regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native); | |
2917 | ||
2918 | syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi); | |
2919 | ||
2920 | if (syscall_gdb < 0) | |
2921 | { | |
2922 | printf_unfiltered (_("Process record and replay target doesn't " | |
2923 | "support syscall number %s\n"), | |
2924 | plongest (syscall_native)); | |
2925 | return -1; | |
2926 | } | |
2927 | ||
2928 | if (syscall_gdb == gdb_sys_sigreturn | |
2929 | || syscall_gdb == gdb_sys_rt_sigreturn) | |
2930 | { | |
2931 | if (s390_all_but_pc_registers_record (regcache)) | |
2932 | return -1; | |
2933 | return 0; | |
2934 | } | |
2935 | ||
2936 | if (tdep->abi == ABI_LINUX_ZSERIES) | |
2937 | ret = record_linux_system_call (syscall_gdb, regcache, | |
2938 | &s390x_linux_record_tdep); | |
2939 | else | |
2940 | ret = record_linux_system_call (syscall_gdb, regcache, | |
2941 | &s390_linux_record_tdep); | |
2942 | ||
2943 | if (ret) | |
2944 | return ret; | |
2945 | ||
2946 | /* Record the return value of the system call. */ | |
2947 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) | |
2948 | return -1; | |
2949 | ||
2950 | return 0; | |
2951 | } | |
2952 | ||
2953 | static int | |
2954 | s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, | |
2955 | enum gdb_signal signal) | |
2956 | { | |
2957 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2958 | /* There are two kinds of signal frames on s390. rt_sigframe is always | |
2959 | the larger one, so don't even bother with sigframe. */ | |
2960 | const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ? | |
2961 | 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000); | |
2962 | ULONGEST sp; | |
2963 | int i; | |
2964 | ||
2965 | for (i = 0; i < 16; i++) | |
2966 | { | |
2967 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2968 | return -1; | |
2969 | if (tdep->gpr_full_regnum != -1) | |
2970 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2971 | return -1; | |
2972 | } | |
2973 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) | |
2974 | return -1; | |
2975 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
2976 | return -1; | |
2977 | ||
2978 | /* Record the change in the stack. | |
2979 | frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */ | |
2980 | regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp); | |
2981 | sp -= sizeof_rt_sigframe; | |
2982 | ||
2983 | if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe)) | |
2984 | return -1; | |
2985 | ||
2986 | if (record_full_arch_list_add_end ()) | |
2987 | return -1; | |
2988 | ||
2989 | return 0; | |
2990 | } | |
4c8287ac | 2991 | |
a8c99f38 JB |
2992 | /* Frame base handling. */ |
2993 | ||
2994 | static CORE_ADDR | |
f089c433 | 2995 | s390_frame_base_address (struct frame_info *this_frame, void **this_cache) |
4c8287ac | 2996 | { |
a8c99f38 | 2997 | struct s390_unwind_cache *info |
f089c433 | 2998 | = s390_frame_unwind_cache (this_frame, this_cache); |
a8c99f38 JB |
2999 | return info->frame_base; |
3000 | } | |
3001 | ||
3002 | static CORE_ADDR | |
f089c433 | 3003 | s390_local_base_address (struct frame_info *this_frame, void **this_cache) |
a8c99f38 JB |
3004 | { |
3005 | struct s390_unwind_cache *info | |
f089c433 | 3006 | = s390_frame_unwind_cache (this_frame, this_cache); |
a8c99f38 JB |
3007 | return info->local_base; |
3008 | } | |
3009 | ||
3010 | static const struct frame_base s390_frame_base = { | |
3011 | &s390_frame_unwind, | |
3012 | s390_frame_base_address, | |
3013 | s390_local_base_address, | |
3014 | s390_local_base_address | |
3015 | }; | |
3016 | ||
3017 | static CORE_ADDR | |
3018 | s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
3019 | { | |
7803799a | 3020 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
a8c99f38 | 3021 | ULONGEST pc; |
7803799a | 3022 | pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum); |
a8c99f38 JB |
3023 | return gdbarch_addr_bits_remove (gdbarch, pc); |
3024 | } | |
3025 | ||
3026 | static CORE_ADDR | |
3027 | s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
3028 | { | |
3029 | ULONGEST sp; | |
3030 | sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM); | |
3031 | return gdbarch_addr_bits_remove (gdbarch, sp); | |
4c8287ac JB |
3032 | } |
3033 | ||
3034 | ||
a431654a AC |
3035 | /* DWARF-2 frame support. */ |
3036 | ||
7803799a UW |
3037 | static struct value * |
3038 | s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache, | |
3039 | int regnum) | |
3040 | { | |
d6db1fab | 3041 | return s390_unwind_pseudo_register (this_frame, regnum); |
7803799a UW |
3042 | } |
3043 | ||
a431654a AC |
3044 | static void |
3045 | s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum, | |
34201ae3 | 3046 | struct dwarf2_frame_state_reg *reg, |
4a4e5149 | 3047 | struct frame_info *this_frame) |
a431654a | 3048 | { |
d6db1fab UW |
3049 | /* The condition code (and thus PSW mask) is call-clobbered. */ |
3050 | if (regnum == S390_PSWM_REGNUM) | |
3051 | reg->how = DWARF2_FRAME_REG_UNDEFINED; | |
3052 | ||
3053 | /* The PSW address unwinds to the return address. */ | |
3054 | else if (regnum == S390_PSWA_REGNUM) | |
3055 | reg->how = DWARF2_FRAME_REG_RA; | |
3056 | ||
7803799a UW |
3057 | /* Fixed registers are call-saved or call-clobbered |
3058 | depending on the ABI in use. */ | |
d6db1fab | 3059 | else if (regnum < S390_NUM_REGS) |
a431654a | 3060 | { |
7803799a | 3061 | if (s390_register_call_saved (gdbarch, regnum)) |
a431654a | 3062 | reg->how = DWARF2_FRAME_REG_SAME_VALUE; |
7803799a | 3063 | else |
a431654a | 3064 | reg->how = DWARF2_FRAME_REG_UNDEFINED; |
7803799a | 3065 | } |
a431654a | 3066 | |
d6db1fab UW |
3067 | /* We install a special function to unwind pseudos. */ |
3068 | else | |
7803799a UW |
3069 | { |
3070 | reg->how = DWARF2_FRAME_REG_FN; | |
3071 | reg->loc.fn = s390_dwarf2_prev_register; | |
a431654a AC |
3072 | } |
3073 | } | |
3074 | ||
3075 | ||
b0cf273e JB |
3076 | /* Dummy function calls. */ |
3077 | ||
80f75320 AA |
3078 | /* Unwrap any single-field structs in TYPE and return the effective |
3079 | "inner" type. E.g., yield "float" for all these cases: | |
20a940cc | 3080 | |
80f75320 AA |
3081 | float x; |
3082 | struct { float x }; | |
3083 | struct { struct { float x; } x; }; | |
417c80f9 AA |
3084 | struct { struct { struct { float x; } x; } x; }; |
3085 | ||
3086 | However, if an inner type is smaller than MIN_SIZE, abort the | |
3087 | unwrapping. */ | |
20a940cc | 3088 | |
80f75320 | 3089 | static struct type * |
417c80f9 | 3090 | s390_effective_inner_type (struct type *type, unsigned int min_size) |
20a940cc | 3091 | { |
80f75320 AA |
3092 | while (TYPE_CODE (type) == TYPE_CODE_STRUCT |
3093 | && TYPE_NFIELDS (type) == 1) | |
417c80f9 AA |
3094 | { |
3095 | struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0)); | |
3096 | ||
3097 | if (TYPE_LENGTH (inner) < min_size) | |
3098 | break; | |
3099 | type = inner; | |
3100 | } | |
3101 | ||
80f75320 | 3102 | return type; |
20a940cc JB |
3103 | } |
3104 | ||
80f75320 AA |
3105 | /* Return non-zero if TYPE should be passed like "float" or |
3106 | "double". */ | |
20a940cc | 3107 | |
20a940cc | 3108 | static int |
80f75320 | 3109 | s390_function_arg_float (struct type *type) |
20a940cc | 3110 | { |
80f75320 AA |
3111 | /* Note that long double as well as complex types are intentionally |
3112 | excluded. */ | |
3113 | if (TYPE_LENGTH (type) > 8) | |
3114 | return 0; | |
20a940cc | 3115 | |
80f75320 AA |
3116 | /* A struct containing just a float or double is passed like a float |
3117 | or double. */ | |
417c80f9 | 3118 | type = s390_effective_inner_type (type, 0); |
20a940cc | 3119 | |
20a940cc | 3120 | return (TYPE_CODE (type) == TYPE_CODE_FLT |
80f75320 | 3121 | || TYPE_CODE (type) == TYPE_CODE_DECFLOAT); |
20a940cc JB |
3122 | } |
3123 | ||
417c80f9 AA |
3124 | /* Return non-zero if TYPE should be passed like a vector. */ |
3125 | ||
3126 | static int | |
3127 | s390_function_arg_vector (struct type *type) | |
3128 | { | |
3129 | if (TYPE_LENGTH (type) > 16) | |
3130 | return 0; | |
3131 | ||
3132 | /* Structs containing just a vector are passed like a vector. */ | |
3133 | type = s390_effective_inner_type (type, TYPE_LENGTH (type)); | |
3134 | ||
3135 | return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type); | |
3136 | } | |
3137 | ||
6dbc9c04 | 3138 | /* Determine whether N is a power of two. */ |
20a940cc | 3139 | |
78f8b424 | 3140 | static int |
b0cf273e | 3141 | is_power_of_two (unsigned int n) |
78f8b424 | 3142 | { |
6dbc9c04 | 3143 | return n && ((n & (n - 1)) == 0); |
78f8b424 JB |
3144 | } |
3145 | ||
80f75320 | 3146 | /* For an argument whose type is TYPE and which is not passed like a |
417c80f9 AA |
3147 | float or vector, return non-zero if it should be passed like "int" |
3148 | or "long long". */ | |
4d819d0e | 3149 | |
78f8b424 | 3150 | static int |
b0cf273e | 3151 | s390_function_arg_integer (struct type *type) |
78f8b424 | 3152 | { |
80f75320 AA |
3153 | enum type_code code = TYPE_CODE (type); |
3154 | ||
354ecfd5 | 3155 | if (TYPE_LENGTH (type) > 8) |
b0cf273e | 3156 | return 0; |
78f8b424 | 3157 | |
80f75320 AA |
3158 | if (code == TYPE_CODE_INT |
3159 | || code == TYPE_CODE_ENUM | |
3160 | || code == TYPE_CODE_RANGE | |
3161 | || code == TYPE_CODE_CHAR | |
3162 | || code == TYPE_CODE_BOOL | |
3163 | || code == TYPE_CODE_PTR | |
aa006118 | 3164 | || TYPE_IS_REFERENCE (type)) |
80f75320 AA |
3165 | return 1; |
3166 | ||
3167 | return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT) | |
3168 | && is_power_of_two (TYPE_LENGTH (type))); | |
78f8b424 JB |
3169 | } |
3170 | ||
80f75320 AA |
3171 | /* Argument passing state: Internal data structure passed to helper |
3172 | routines of s390_push_dummy_call. */ | |
78f8b424 | 3173 | |
80f75320 AA |
3174 | struct s390_arg_state |
3175 | { | |
3176 | /* Register cache, or NULL, if we are in "preparation mode". */ | |
3177 | struct regcache *regcache; | |
417c80f9 AA |
3178 | /* Next available general/floating-point/vector register for |
3179 | argument passing. */ | |
3180 | int gr, fr, vr; | |
80f75320 AA |
3181 | /* Current pointer to copy area (grows downwards). */ |
3182 | CORE_ADDR copy; | |
3183 | /* Current pointer to parameter area (grows upwards). */ | |
3184 | CORE_ADDR argp; | |
3185 | }; | |
78f8b424 | 3186 | |
80f75320 AA |
3187 | /* Prepare one argument ARG for a dummy call and update the argument |
3188 | passing state AS accordingly. If the regcache field in AS is set, | |
3189 | operate in "write mode" and write ARG into the inferior. Otherwise | |
3190 | run "preparation mode" and skip all updates to the inferior. */ | |
78f8b424 | 3191 | |
80f75320 AA |
3192 | static void |
3193 | s390_handle_arg (struct s390_arg_state *as, struct value *arg, | |
3194 | struct gdbarch_tdep *tdep, int word_size, | |
417c80f9 | 3195 | enum bfd_endian byte_order, int is_unnamed) |
78f8b424 | 3196 | { |
80f75320 AA |
3197 | struct type *type = check_typedef (value_type (arg)); |
3198 | unsigned int length = TYPE_LENGTH (type); | |
3199 | int write_mode = as->regcache != NULL; | |
78f8b424 | 3200 | |
80f75320 AA |
3201 | if (s390_function_arg_float (type)) |
3202 | { | |
3203 | /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass | |
3204 | arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and | |
3205 | 6. */ | |
3206 | if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6)) | |
3207 | { | |
3208 | /* When we store a single-precision value in an FP register, | |
3209 | it occupies the leftmost bits. */ | |
3210 | if (write_mode) | |
3211 | regcache_cooked_write_part (as->regcache, | |
3212 | S390_F0_REGNUM + as->fr, | |
3213 | 0, length, | |
3214 | value_contents (arg)); | |
3215 | as->fr += 2; | |
3216 | } | |
3217 | else | |
3218 | { | |
3219 | /* When we store a single-precision value in a stack slot, | |
3220 | it occupies the rightmost bits. */ | |
3221 | as->argp = align_up (as->argp + length, word_size); | |
3222 | if (write_mode) | |
3223 | write_memory (as->argp - length, value_contents (arg), | |
3224 | length); | |
3225 | } | |
3226 | } | |
417c80f9 AA |
3227 | else if (tdep->vector_abi == S390_VECTOR_ABI_128 |
3228 | && s390_function_arg_vector (type)) | |
3229 | { | |
3230 | static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31}; | |
3231 | ||
3232 | if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr)) | |
3233 | { | |
3234 | int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24; | |
3235 | ||
3236 | if (write_mode) | |
3237 | regcache_cooked_write_part (as->regcache, regnum, | |
3238 | 0, length, | |
3239 | value_contents (arg)); | |
3240 | as->vr++; | |
3241 | } | |
3242 | else | |
3243 | { | |
3244 | if (write_mode) | |
3245 | write_memory (as->argp, value_contents (arg), length); | |
3246 | as->argp = align_up (as->argp + length, word_size); | |
3247 | } | |
3248 | } | |
80f75320 | 3249 | else if (s390_function_arg_integer (type) && length <= word_size) |
78f8b424 | 3250 | { |
decf8d9a JK |
3251 | /* Initialize it just to avoid a GCC false warning. */ |
3252 | ULONGEST val = 0; | |
78f8b424 | 3253 | |
80f75320 | 3254 | if (write_mode) |
34201ae3 | 3255 | { |
80f75320 AA |
3256 | /* Place value in least significant bits of the register or |
3257 | memory word and sign- or zero-extend to full word size. | |
3258 | This also applies to a struct or union. */ | |
3259 | val = TYPE_UNSIGNED (type) | |
3260 | ? extract_unsigned_integer (value_contents (arg), | |
3261 | length, byte_order) | |
3262 | : extract_signed_integer (value_contents (arg), | |
3263 | length, byte_order); | |
3264 | } | |
78f8b424 | 3265 | |
80f75320 AA |
3266 | if (as->gr <= 6) |
3267 | { | |
3268 | if (write_mode) | |
3269 | regcache_cooked_write_unsigned (as->regcache, | |
3270 | S390_R0_REGNUM + as->gr, | |
3271 | val); | |
3272 | as->gr++; | |
3273 | } | |
3274 | else | |
3275 | { | |
3276 | if (write_mode) | |
3277 | write_memory_unsigned_integer (as->argp, word_size, | |
3278 | byte_order, val); | |
3279 | as->argp += word_size; | |
34201ae3 | 3280 | } |
78f8b424 | 3281 | } |
80f75320 AA |
3282 | else if (s390_function_arg_integer (type) && length == 8) |
3283 | { | |
3284 | if (as->gr <= 5) | |
3285 | { | |
3286 | if (write_mode) | |
3287 | { | |
3288 | regcache_cooked_write (as->regcache, | |
3289 | S390_R0_REGNUM + as->gr, | |
3290 | value_contents (arg)); | |
3291 | regcache_cooked_write (as->regcache, | |
3292 | S390_R0_REGNUM + as->gr + 1, | |
3293 | value_contents (arg) + word_size); | |
3294 | } | |
3295 | as->gr += 2; | |
3296 | } | |
3297 | else | |
3298 | { | |
3299 | /* If we skipped r6 because we couldn't fit a DOUBLE_ARG | |
3300 | in it, then don't go back and use it again later. */ | |
3301 | as->gr = 7; | |
78f8b424 | 3302 | |
80f75320 AA |
3303 | if (write_mode) |
3304 | write_memory (as->argp, value_contents (arg), length); | |
3305 | as->argp += length; | |
3306 | } | |
3307 | } | |
3308 | else | |
3309 | { | |
3310 | /* This argument type is never passed in registers. Place the | |
3311 | value in the copy area and pass a pointer to it. Use 8-byte | |
3312 | alignment as a conservative assumption. */ | |
3313 | as->copy = align_down (as->copy - length, 8); | |
3314 | if (write_mode) | |
3315 | write_memory (as->copy, value_contents (arg), length); | |
3316 | ||
3317 | if (as->gr <= 6) | |
3318 | { | |
3319 | if (write_mode) | |
3320 | regcache_cooked_write_unsigned (as->regcache, | |
3321 | S390_R0_REGNUM + as->gr, | |
3322 | as->copy); | |
3323 | as->gr++; | |
3324 | } | |
3325 | else | |
3326 | { | |
3327 | if (write_mode) | |
3328 | write_memory_unsigned_integer (as->argp, word_size, | |
3329 | byte_order, as->copy); | |
3330 | as->argp += word_size; | |
3331 | } | |
3332 | } | |
78f8b424 JB |
3333 | } |
3334 | ||
78f8b424 | 3335 | /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in |
ca557f44 AC |
3336 | place to be passed to a function, as specified by the "GNU/Linux |
3337 | for S/390 ELF Application Binary Interface Supplement". | |
78f8b424 JB |
3338 | |
3339 | SP is the current stack pointer. We must put arguments, links, | |
3340 | padding, etc. whereever they belong, and return the new stack | |
3341 | pointer value. | |
34201ae3 | 3342 | |
78f8b424 JB |
3343 | If STRUCT_RETURN is non-zero, then the function we're calling is |
3344 | going to return a structure by value; STRUCT_ADDR is the address of | |
3345 | a block we've allocated for it on the stack. | |
3346 | ||
3347 | Our caller has taken care of any type promotions needed to satisfy | |
3348 | prototypes or the old K&R argument-passing rules. */ | |
80f75320 | 3349 | |
a78f21af | 3350 | static CORE_ADDR |
7d9b040b | 3351 | s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function, |
b0cf273e JB |
3352 | struct regcache *regcache, CORE_ADDR bp_addr, |
3353 | int nargs, struct value **args, CORE_ADDR sp, | |
3354 | int struct_return, CORE_ADDR struct_addr) | |
5769d3cd | 3355 | { |
b0cf273e JB |
3356 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
3357 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
e17a4113 | 3358 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
78f8b424 | 3359 | int i; |
80f75320 AA |
3360 | struct s390_arg_state arg_state, arg_prep; |
3361 | CORE_ADDR param_area_start, new_sp; | |
417c80f9 AA |
3362 | struct type *ftype = check_typedef (value_type (function)); |
3363 | ||
3364 | if (TYPE_CODE (ftype) == TYPE_CODE_PTR) | |
3365 | ftype = check_typedef (TYPE_TARGET_TYPE (ftype)); | |
5769d3cd | 3366 | |
80f75320 AA |
3367 | arg_prep.copy = sp; |
3368 | arg_prep.gr = struct_return ? 3 : 2; | |
3369 | arg_prep.fr = 0; | |
417c80f9 | 3370 | arg_prep.vr = 0; |
80f75320 AA |
3371 | arg_prep.argp = 0; |
3372 | arg_prep.regcache = NULL; | |
5769d3cd | 3373 | |
80f75320 AA |
3374 | /* Initialize arg_state for "preparation mode". */ |
3375 | arg_state = arg_prep; | |
5769d3cd | 3376 | |
80f75320 AA |
3377 | /* Update arg_state.copy with the start of the reference-to-copy area |
3378 | and arg_state.argp with the size of the parameter area. */ | |
3379 | for (i = 0; i < nargs; i++) | |
417c80f9 AA |
3380 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, |
3381 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
78f8b424 | 3382 | |
80f75320 | 3383 | param_area_start = align_down (arg_state.copy - arg_state.argp, 8); |
78f8b424 | 3384 | |
c0cc4c83 | 3385 | /* Allocate the standard frame areas: the register save area, the |
80f75320 AA |
3386 | word reserved for the compiler, and the back chain pointer. */ |
3387 | new_sp = param_area_start - (16 * word_size + 32); | |
3388 | ||
3389 | /* Now we have the final stack pointer. Make sure we didn't | |
3390 | underflow; on 31-bit, this would result in addresses with the | |
3391 | high bit set, which causes confusion elsewhere. Note that if we | |
3392 | error out here, stack and registers remain untouched. */ | |
3393 | if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp) | |
c0cc4c83 UW |
3394 | error (_("Stack overflow")); |
3395 | ||
80f75320 AA |
3396 | /* Pass the structure return address in general register 2. */ |
3397 | if (struct_return) | |
3398 | regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr); | |
c0cc4c83 | 3399 | |
80f75320 AA |
3400 | /* Initialize arg_state for "write mode". */ |
3401 | arg_state = arg_prep; | |
3402 | arg_state.argp = param_area_start; | |
3403 | arg_state.regcache = regcache; | |
78f8b424 | 3404 | |
80f75320 AA |
3405 | /* Write all parameters. */ |
3406 | for (i = 0; i < nargs; i++) | |
417c80f9 AA |
3407 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, |
3408 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
78f8b424 | 3409 | |
8de7d199 UW |
3410 | /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */ |
3411 | if (word_size == 4) | |
3412 | { | |
3413 | ULONGEST pswa; | |
3414 | regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
3415 | bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000); | |
3416 | } | |
b0cf273e | 3417 | regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr); |
8de7d199 | 3418 | |
b0cf273e | 3419 | /* Store updated stack pointer. */ |
80f75320 | 3420 | regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp); |
78f8b424 | 3421 | |
a8c99f38 | 3422 | /* We need to return the 'stack part' of the frame ID, |
121d8485 | 3423 | which is actually the top of the register save area. */ |
80f75320 | 3424 | return param_area_start; |
5769d3cd AC |
3425 | } |
3426 | ||
f089c433 | 3427 | /* Assuming THIS_FRAME is a dummy, return the frame ID of that |
b0cf273e JB |
3428 | dummy frame. The frame ID's base needs to match the TOS value |
3429 | returned by push_dummy_call, and the PC match the dummy frame's | |
3430 | breakpoint. */ | |
3431 | static struct frame_id | |
f089c433 | 3432 | s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame) |
b0cf273e | 3433 | { |
a8c99f38 | 3434 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
f089c433 UW |
3435 | CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
3436 | sp = gdbarch_addr_bits_remove (gdbarch, sp); | |
a8c99f38 | 3437 | |
121d8485 | 3438 | return frame_id_build (sp + 16*word_size + 32, |
34201ae3 | 3439 | get_frame_pc (this_frame)); |
b0cf273e | 3440 | } |
c8f9d51c | 3441 | |
4074e13c JB |
3442 | static CORE_ADDR |
3443 | s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr) | |
3444 | { | |
3445 | /* Both the 32- and 64-bit ABI's say that the stack pointer should | |
3446 | always be aligned on an eight-byte boundary. */ | |
3447 | return (addr & -8); | |
3448 | } | |
3449 | ||
3450 | ||
4e65a17e AA |
3451 | /* Helper for s390_return_value: Set or retrieve a function return |
3452 | value if it resides in a register. */ | |
b0cf273e | 3453 | |
4e65a17e AA |
3454 | static void |
3455 | s390_register_return_value (struct gdbarch *gdbarch, struct type *type, | |
3456 | struct regcache *regcache, | |
3457 | gdb_byte *out, const gdb_byte *in) | |
c8f9d51c | 3458 | { |
4e65a17e AA |
3459 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
3460 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
3461 | int length = TYPE_LENGTH (type); | |
3462 | int code = TYPE_CODE (type); | |
b0cf273e | 3463 | |
4e65a17e | 3464 | if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT) |
b0cf273e | 3465 | { |
4e65a17e AA |
3466 | /* Float-like value: left-aligned in f0. */ |
3467 | if (in != NULL) | |
3468 | regcache_cooked_write_part (regcache, S390_F0_REGNUM, | |
3469 | 0, length, in); | |
3470 | else | |
3471 | regcache_cooked_read_part (regcache, S390_F0_REGNUM, | |
3472 | 0, length, out); | |
3473 | } | |
417c80f9 AA |
3474 | else if (code == TYPE_CODE_ARRAY) |
3475 | { | |
3476 | /* Vector: left-aligned in v24. */ | |
3477 | if (in != NULL) | |
3478 | regcache_cooked_write_part (regcache, S390_V24_REGNUM, | |
3479 | 0, length, in); | |
3480 | else | |
3481 | regcache_cooked_read_part (regcache, S390_V24_REGNUM, | |
3482 | 0, length, out); | |
3483 | } | |
4e65a17e AA |
3484 | else if (length <= word_size) |
3485 | { | |
3486 | /* Integer: zero- or sign-extended in r2. */ | |
3487 | if (out != NULL) | |
3488 | regcache_cooked_read_part (regcache, S390_R2_REGNUM, | |
3489 | word_size - length, length, out); | |
3490 | else if (TYPE_UNSIGNED (type)) | |
3491 | regcache_cooked_write_unsigned | |
3492 | (regcache, S390_R2_REGNUM, | |
3493 | extract_unsigned_integer (in, length, byte_order)); | |
3494 | else | |
3495 | regcache_cooked_write_signed | |
3496 | (regcache, S390_R2_REGNUM, | |
3497 | extract_signed_integer (in, length, byte_order)); | |
b0cf273e | 3498 | } |
4e65a17e AA |
3499 | else if (length == 2 * word_size) |
3500 | { | |
3501 | /* Double word: in r2 and r3. */ | |
3502 | if (in != NULL) | |
3503 | { | |
3504 | regcache_cooked_write (regcache, S390_R2_REGNUM, in); | |
3505 | regcache_cooked_write (regcache, S390_R3_REGNUM, | |
3506 | in + word_size); | |
3507 | } | |
3508 | else | |
3509 | { | |
3510 | regcache_cooked_read (regcache, S390_R2_REGNUM, out); | |
3511 | regcache_cooked_read (regcache, S390_R3_REGNUM, | |
3512 | out + word_size); | |
3513 | } | |
3514 | } | |
3515 | else | |
3516 | internal_error (__FILE__, __LINE__, _("invalid return type")); | |
c8f9d51c JB |
3517 | } |
3518 | ||
4e65a17e AA |
3519 | |
3520 | /* Implement the 'return_value' gdbarch method. */ | |
3521 | ||
b0cf273e | 3522 | static enum return_value_convention |
6a3a010b | 3523 | s390_return_value (struct gdbarch *gdbarch, struct value *function, |
c055b101 CV |
3524 | struct type *type, struct regcache *regcache, |
3525 | gdb_byte *out, const gdb_byte *in) | |
5769d3cd | 3526 | { |
56b9d9ac | 3527 | enum return_value_convention rvc; |
56b9d9ac UW |
3528 | |
3529 | type = check_typedef (type); | |
56b9d9ac | 3530 | |
4e65a17e | 3531 | switch (TYPE_CODE (type)) |
b0cf273e | 3532 | { |
4e65a17e AA |
3533 | case TYPE_CODE_STRUCT: |
3534 | case TYPE_CODE_UNION: | |
4e65a17e AA |
3535 | case TYPE_CODE_COMPLEX: |
3536 | rvc = RETURN_VALUE_STRUCT_CONVENTION; | |
3537 | break; | |
417c80f9 AA |
3538 | case TYPE_CODE_ARRAY: |
3539 | rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128 | |
3540 | && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type)) | |
3541 | ? RETURN_VALUE_REGISTER_CONVENTION | |
3542 | : RETURN_VALUE_STRUCT_CONVENTION; | |
3543 | break; | |
4e65a17e AA |
3544 | default: |
3545 | rvc = TYPE_LENGTH (type) <= 8 | |
3546 | ? RETURN_VALUE_REGISTER_CONVENTION | |
3547 | : RETURN_VALUE_STRUCT_CONVENTION; | |
b0cf273e | 3548 | } |
5769d3cd | 3549 | |
4e65a17e AA |
3550 | if (in != NULL || out != NULL) |
3551 | { | |
3552 | if (rvc == RETURN_VALUE_REGISTER_CONVENTION) | |
3553 | s390_register_return_value (gdbarch, type, regcache, out, in); | |
3554 | else if (in != NULL) | |
3555 | error (_("Cannot set function return value.")); | |
3556 | else | |
3557 | error (_("Function return value unknown.")); | |
b0cf273e JB |
3558 | } |
3559 | ||
3560 | return rvc; | |
3561 | } | |
5769d3cd AC |
3562 | |
3563 | ||
a8c99f38 | 3564 | /* Breakpoints. */ |
04180708 | 3565 | constexpr gdb_byte s390_break_insn[] = { 0x0, 0x1 }; |
a8c99f38 | 3566 | |
04180708 | 3567 | typedef BP_MANIPULATION (s390_break_insn) s390_breakpoint; |
5769d3cd | 3568 | |
a8c99f38 | 3569 | /* Address handling. */ |
5769d3cd AC |
3570 | |
3571 | static CORE_ADDR | |
24568a2c | 3572 | s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr) |
5769d3cd | 3573 | { |
a8c99f38 | 3574 | return addr & 0x7fffffff; |
5769d3cd AC |
3575 | } |
3576 | ||
ffc65945 KB |
3577 | static int |
3578 | s390_address_class_type_flags (int byte_size, int dwarf2_addr_class) | |
3579 | { | |
3580 | if (byte_size == 4) | |
119ac181 | 3581 | return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; |
ffc65945 KB |
3582 | else |
3583 | return 0; | |
3584 | } | |
3585 | ||
3586 | static const char * | |
3587 | s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags) | |
3588 | { | |
119ac181 | 3589 | if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1) |
ffc65945 KB |
3590 | return "mode32"; |
3591 | else | |
3592 | return NULL; | |
3593 | } | |
3594 | ||
a78f21af | 3595 | static int |
c378eb4e MS |
3596 | s390_address_class_name_to_type_flags (struct gdbarch *gdbarch, |
3597 | const char *name, | |
ffc65945 KB |
3598 | int *type_flags_ptr) |
3599 | { | |
3600 | if (strcmp (name, "mode32") == 0) | |
3601 | { | |
119ac181 | 3602 | *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; |
ffc65945 KB |
3603 | return 1; |
3604 | } | |
3605 | else | |
3606 | return 0; | |
3607 | } | |
3608 | ||
60abeae4 AA |
3609 | /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or |
3610 | "-mcmodel=large". */ | |
a2658feb JK |
3611 | |
3612 | static char * | |
3613 | s390_gcc_target_options (struct gdbarch *gdbarch) | |
3614 | { | |
60abeae4 AA |
3615 | return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31"); |
3616 | } | |
3617 | ||
3618 | /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*" | |
3619 | for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is | |
3620 | always "s390". Note that an s390x compiler supports "-m31" as | |
3621 | well. */ | |
3622 | ||
3623 | static const char * | |
3624 | s390_gnu_triplet_regexp (struct gdbarch *gdbarch) | |
3625 | { | |
3626 | return "s390x?"; | |
a2658feb JK |
3627 | } |
3628 | ||
55aa24fb SDJ |
3629 | /* Implementation of `gdbarch_stap_is_single_operand', as defined in |
3630 | gdbarch.h. */ | |
3631 | ||
3632 | static int | |
3633 | s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s) | |
3634 | { | |
3635 | return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement | |
3636 | or indirection. */ | |
3637 | || *s == '%' /* Register access. */ | |
3638 | || isdigit (*s)); /* Literal number. */ | |
3639 | } | |
3640 | ||
566c56c9 MK |
3641 | /* Process record and replay helpers. */ |
3642 | ||
3643 | /* Takes the intermediate sum of address calculations and masks off upper | |
3644 | bits according to current addressing mode. */ | |
3645 | ||
3646 | static CORE_ADDR | |
3647 | s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache, | |
3648 | CORE_ADDR val) { | |
3649 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3650 | ULONGEST pswm, pswa; | |
3651 | int am; | |
3652 | if (tdep->abi == ABI_LINUX_S390) | |
3653 | { | |
3654 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
3655 | am = pswa >> 31 & 1; | |
3656 | } | |
3657 | else | |
3658 | { | |
3659 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm); | |
3660 | am = pswm >> 31 & 3; | |
3661 | } | |
3662 | switch (am) | |
3663 | { | |
3664 | case 0: | |
3665 | return val & 0xffffff; | |
3666 | case 1: | |
3667 | return val & 0x7fffffff; | |
3668 | case 3: | |
3669 | return val; | |
3670 | default: | |
3671 | fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am); | |
3672 | return 0; | |
3673 | } | |
3674 | } | |
3675 | ||
3676 | /* Calculates memory address using pre-calculated index, raw instruction word | |
3677 | with b and d/dl fields, and raw instruction byte with dh field. Index and | |
3678 | dh should be set to 0 if unused. */ | |
3679 | ||
3680 | static CORE_ADDR | |
3681 | s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache, | |
3682 | ULONGEST x, uint16_t bd, int8_t dh) | |
3683 | { | |
3684 | uint8_t rb = bd >> 12 & 0xf; | |
3685 | int32_t d = (bd & 0xfff) | ((int32_t)dh << 12); | |
3686 | ULONGEST b; | |
3687 | CORE_ADDR res = d + x; | |
3688 | if (rb) | |
3689 | { | |
3690 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b); | |
3691 | res += b; | |
3692 | } | |
3693 | return s390_record_address_mask (gdbarch, regcache, res); | |
3694 | } | |
3695 | ||
3696 | /* Calculates memory address using raw x, b + d/dl, dh fields from | |
3697 | instruction. rx and dh should be set to 0 if unused. */ | |
3698 | ||
3699 | static CORE_ADDR | |
3700 | s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache, | |
3701 | uint8_t rx, uint16_t bd, int8_t dh) | |
3702 | { | |
3703 | ULONGEST x = 0; | |
3704 | if (rx) | |
3705 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x); | |
3706 | return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
3707 | } | |
3708 | ||
3709 | /* Calculates memory address for VSCE[GF] instructions. */ | |
3710 | ||
3711 | static int | |
3712 | s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache, | |
3713 | uint8_t vx, uint8_t el, uint8_t es, uint16_t bd, | |
3714 | int8_t dh, CORE_ADDR *res) | |
3715 | { | |
3716 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3717 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
3718 | ULONGEST x; | |
3719 | gdb_byte buf[16]; | |
3720 | if (tdep->v0_full_regnum == -1 || el * es >= 16) | |
3721 | return -1; | |
3722 | if (vx < 16) | |
3723 | regcache_cooked_read (regcache, tdep->v0_full_regnum + vx, buf); | |
3724 | else | |
3725 | regcache_raw_read (regcache, S390_V16_REGNUM + vx - 16, buf); | |
3726 | x = extract_unsigned_integer (buf + el * es, es, byte_order); | |
3727 | *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
3728 | return 0; | |
3729 | } | |
3730 | ||
3731 | /* Calculates memory address for instructions with relative long addressing. */ | |
3732 | ||
3733 | static CORE_ADDR | |
3734 | s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache, | |
3735 | CORE_ADDR addr, uint16_t i1, uint16_t i2) | |
3736 | { | |
3737 | int32_t ri = i1 << 16 | i2; | |
3738 | return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2); | |
3739 | } | |
3740 | ||
3741 | /* Population count helper. */ | |
3742 | ||
3743 | static int s390_popcnt (unsigned int x) { | |
3744 | int res = 0; | |
3745 | while (x) | |
3746 | { | |
3747 | if (x & 1) | |
3748 | res++; | |
3749 | x >>= 1; | |
3750 | } | |
3751 | return res; | |
3752 | } | |
3753 | ||
3754 | /* Record 64-bit register. */ | |
3755 | ||
3756 | static int | |
3757 | s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3758 | { | |
3759 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3760 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
3761 | return -1; | |
3762 | if (tdep->abi == ABI_LINUX_S390) | |
3763 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
3764 | return -1; | |
3765 | return 0; | |
3766 | } | |
3767 | ||
3768 | /* Record high 32 bits of a register. */ | |
3769 | ||
3770 | static int | |
3771 | s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3772 | { | |
3773 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3774 | if (tdep->abi == ABI_LINUX_S390) | |
3775 | { | |
3776 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
3777 | return -1; | |
3778 | } | |
3779 | else | |
3780 | { | |
3781 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
3782 | return -1; | |
3783 | } | |
3784 | return 0; | |
3785 | } | |
3786 | ||
3787 | /* Record vector register. */ | |
3788 | ||
3789 | static int | |
3790 | s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3791 | { | |
566c56c9 MK |
3792 | if (i < 16) |
3793 | { | |
3794 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) | |
3795 | return -1; | |
3796 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) | |
3797 | return -1; | |
3798 | } | |
3799 | else | |
3800 | { | |
3801 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16)) | |
3802 | return -1; | |
3803 | } | |
3804 | return 0; | |
3805 | } | |
3806 | ||
3807 | static int | |
3808 | s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache, | |
3809 | CORE_ADDR addr) | |
3810 | { | |
566c56c9 MK |
3811 | uint16_t insn[3] = {0}; |
3812 | /* Instruction as bytes. */ | |
3813 | uint8_t ibyte[6]; | |
3814 | /* Instruction as nibbles. */ | |
3815 | uint8_t inib[12]; | |
3816 | /* Instruction vector registers. */ | |
3817 | uint8_t ivec[4]; | |
3818 | CORE_ADDR oaddr, oaddr2, oaddr3; | |
3819 | ULONGEST tmp; | |
3820 | int i, n; | |
3821 | /* if EX/EXRL instruction used, here's the reg parameter */ | |
3822 | int ex = -1; | |
3823 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
3824 | ||
3825 | /* Attempting to use EX or EXRL jumps back here */ | |
3826 | ex: | |
3827 | ||
3828 | /* Read instruction. */ | |
3829 | insn[0] = read_memory_unsigned_integer (addr, 2, byte_order); | |
3830 | /* If execute was involved, do the adjustment. */ | |
3831 | if (ex != -1) | |
3832 | insn[0] |= ex & 0xff; | |
3833 | /* Two highest bits determine instruction size. */ | |
3834 | if (insn[0] >= 0x4000) | |
3835 | insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order); | |
3836 | else | |
3837 | /* Not necessary, but avoids uninitialized variable warnings. */ | |
3838 | insn[1] = 0; | |
3839 | if (insn[0] >= 0xc000) | |
3840 | insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order); | |
3841 | else | |
3842 | insn[2] = 0; | |
3843 | /* Split instruction into bytes and nibbles. */ | |
3844 | for (i = 0; i < 3; i++) | |
3845 | { | |
3846 | ibyte[i*2] = insn[i] >> 8 & 0xff; | |
3847 | ibyte[i*2+1] = insn[i] & 0xff; | |
3848 | } | |
3849 | for (i = 0; i < 6; i++) | |
3850 | { | |
3851 | inib[i*2] = ibyte[i] >> 4 & 0xf; | |
3852 | inib[i*2+1] = ibyte[i] & 0xf; | |
3853 | } | |
3854 | /* Compute vector registers, if applicable. */ | |
3855 | ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2]; | |
3856 | ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3]; | |
3857 | ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4]; | |
3858 | ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8]; | |
3859 | ||
3860 | switch (ibyte[0]) | |
3861 | { | |
3862 | /* 0x00 undefined */ | |
3863 | ||
3864 | case 0x01: | |
3865 | /* E-format instruction */ | |
3866 | switch (ibyte[1]) | |
3867 | { | |
3868 | /* 0x00 undefined */ | |
3869 | /* 0x01 unsupported: PR - program return */ | |
3870 | /* 0x02 unsupported: UPT */ | |
3871 | /* 0x03 undefined */ | |
3872 | /* 0x04 privileged: PTFF - perform timing facility function */ | |
3873 | /* 0x05-0x06 undefined */ | |
3874 | /* 0x07 privileged: SCKPF - set clock programmable field */ | |
3875 | /* 0x08-0x09 undefined */ | |
3876 | ||
3877 | case 0x0a: /* PFPO - perform floating point operation */ | |
3878 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
3879 | if (!(tmp & 0x80000000u)) | |
3880 | { | |
3881 | uint8_t ofc = tmp >> 16 & 0xff; | |
3882 | switch (ofc) | |
3883 | { | |
3884 | case 0x00: /* HFP32 */ | |
3885 | case 0x01: /* HFP64 */ | |
3886 | case 0x05: /* BFP32 */ | |
3887 | case 0x06: /* BFP64 */ | |
3888 | case 0x08: /* DFP32 */ | |
3889 | case 0x09: /* DFP64 */ | |
3890 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
3891 | return -1; | |
3892 | break; | |
3893 | case 0x02: /* HFP128 */ | |
3894 | case 0x07: /* BFP128 */ | |
3895 | case 0x0a: /* DFP128 */ | |
3896 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
3897 | return -1; | |
3898 | if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM)) | |
3899 | return -1; | |
3900 | break; | |
3901 | default: | |
3902 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n", | |
3903 | ofc, paddress (gdbarch, addr)); | |
3904 | return -1; | |
3905 | } | |
3906 | ||
3907 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3908 | return -1; | |
3909 | } | |
3910 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
3911 | return -1; | |
3912 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3913 | return -1; | |
3914 | break; | |
3915 | ||
3916 | case 0x0b: /* TAM - test address mode */ | |
3917 | case 0x0c: /* SAM24 - set address mode 24 */ | |
3918 | case 0x0d: /* SAM31 - set address mode 31 */ | |
3919 | case 0x0e: /* SAM64 - set address mode 64 */ | |
3920 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3921 | return -1; | |
3922 | break; | |
3923 | ||
3924 | /* 0x0f-0xfe undefined */ | |
3925 | ||
3926 | /* 0xff unsupported: TRAP */ | |
3927 | ||
3928 | default: | |
3929 | goto UNKNOWN_OP; | |
3930 | } | |
3931 | break; | |
3932 | ||
3933 | /* 0x02 undefined */ | |
3934 | /* 0x03 undefined */ | |
3935 | ||
3936 | case 0x04: /* SPM - set program mask */ | |
3937 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3938 | return -1; | |
3939 | break; | |
3940 | ||
3941 | case 0x05: /* BALR - branch and link */ | |
3942 | case 0x45: /* BAL - branch and link */ | |
3943 | case 0x06: /* BCTR - branch on count */ | |
3944 | case 0x46: /* BCT - branch on count */ | |
3945 | case 0x0d: /* BASR - branch and save */ | |
3946 | case 0x4d: /* BAS - branch and save */ | |
3947 | case 0x84: /* BRXH - branch relative on index high */ | |
3948 | case 0x85: /* BRXLE - branch relative on index low or equal */ | |
3949 | case 0x86: /* BXH - branch on index high */ | |
3950 | case 0x87: /* BXLE - branch on index low or equal */ | |
3951 | /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX* | |
3952 | use 32-bit destination as counter. */ | |
3953 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3954 | return -1; | |
3955 | break; | |
3956 | ||
3957 | case 0x07: /* BCR - branch on condition */ | |
3958 | case 0x47: /* BC - branch on condition */ | |
3959 | /* No effect other than PC transfer. */ | |
3960 | break; | |
3961 | ||
3962 | /* 0x08 undefined */ | |
3963 | /* 0x09 undefined */ | |
3964 | ||
3965 | case 0x0a: | |
3966 | /* SVC - supervisor call */ | |
3967 | if (s390_linux_syscall_record (regcache, ibyte[1])) | |
3968 | return -1; | |
3969 | break; | |
3970 | ||
3971 | case 0x0b: /* BSM - branch and set mode */ | |
3972 | if (inib[2]) | |
3973 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3974 | return -1; | |
3975 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3976 | return -1; | |
3977 | break; | |
3978 | ||
3979 | case 0x0c: /* BASSM - branch and save and set mode */ | |
3980 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3981 | return -1; | |
3982 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3983 | return -1; | |
3984 | break; | |
3985 | ||
3986 | case 0x0e: /* MVCL - move long [interruptible] */ | |
3987 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
3988 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3989 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
3990 | tmp &= 0xffffff; | |
3991 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3992 | return -1; | |
3993 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3994 | return -1; | |
3995 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3996 | return -1; | |
3997 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3998 | return -1; | |
3999 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
4000 | return -1; | |
4001 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4002 | return -1; | |
4003 | break; | |
4004 | ||
4005 | case 0x0f: /* CLCL - compare logical long [interruptible] */ | |
4006 | case 0xa9: /* CLCLE - compare logical long extended [partial] */ | |
4007 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4008 | return -1; | |
4009 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4010 | return -1; | |
4011 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
4012 | return -1; | |
4013 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
4014 | return -1; | |
4015 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4016 | return -1; | |
4017 | break; | |
4018 | ||
4019 | case 0x10: /* LPR - load positive */ | |
4020 | case 0x11: /* LNR - load negative */ | |
4021 | case 0x12: /* LTR - load and test */ | |
4022 | case 0x13: /* LCR - load complement */ | |
4023 | case 0x14: /* NR - and */ | |
4024 | case 0x16: /* OR - or */ | |
4025 | case 0x17: /* XR - xor */ | |
4026 | case 0x1a: /* AR - add */ | |
4027 | case 0x1b: /* SR - subtract */ | |
4028 | case 0x1e: /* ALR - add logical */ | |
4029 | case 0x1f: /* SLR - subtract logical */ | |
4030 | case 0x54: /* N - and */ | |
4031 | case 0x56: /* O - or */ | |
4032 | case 0x57: /* X - xor */ | |
4033 | case 0x5a: /* A - add */ | |
4034 | case 0x5b: /* S - subtract */ | |
4035 | case 0x5e: /* AL - add logical */ | |
4036 | case 0x5f: /* SL - subtract logical */ | |
4037 | case 0x4a: /* AH - add halfword */ | |
4038 | case 0x4b: /* SH - subtract halfword */ | |
4039 | case 0x8a: /* SRA - shift right single */ | |
4040 | case 0x8b: /* SLA - shift left single */ | |
4041 | case 0xbf: /* ICM - insert characters under mask */ | |
4042 | /* 32-bit destination + flags */ | |
4043 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4044 | return -1; | |
4045 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4046 | return -1; | |
4047 | break; | |
4048 | ||
4049 | case 0x15: /* CLR - compare logical */ | |
4050 | case 0x55: /* CL - compare logical */ | |
4051 | case 0x19: /* CR - compare */ | |
4052 | case 0x29: /* CDR - compare */ | |
4053 | case 0x39: /* CER - compare */ | |
4054 | case 0x49: /* CH - compare halfword */ | |
4055 | case 0x59: /* C - compare */ | |
4056 | case 0x69: /* CD - compare */ | |
4057 | case 0x79: /* CE - compare */ | |
4058 | case 0x91: /* TM - test under mask */ | |
4059 | case 0x95: /* CLI - compare logical */ | |
4060 | case 0xbd: /* CLM - compare logical under mask */ | |
4061 | case 0xd5: /* CLC - compare logical */ | |
4062 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4063 | return -1; | |
4064 | break; | |
4065 | ||
4066 | case 0x18: /* LR - load */ | |
4067 | case 0x48: /* LH - load halfword */ | |
4068 | case 0x58: /* L - load */ | |
4069 | case 0x41: /* LA - load address */ | |
4070 | case 0x43: /* IC - insert character */ | |
4071 | case 0x4c: /* MH - multiply halfword */ | |
4072 | case 0x71: /* MS - multiply single */ | |
4073 | case 0x88: /* SRL - shift right single logical */ | |
4074 | case 0x89: /* SLL - shift left single logical */ | |
4075 | /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */ | |
4076 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4077 | return -1; | |
4078 | break; | |
4079 | ||
4080 | case 0x1c: /* MR - multiply */ | |
4081 | case 0x5c: /* M - multiply */ | |
4082 | case 0x1d: /* DR - divide */ | |
4083 | case 0x5d: /* D - divide */ | |
4084 | case 0x8c: /* SRDL - shift right double logical */ | |
4085 | case 0x8d: /* SLDL - shift left double logical */ | |
4086 | /* 32-bit pair destination, no flags */ | |
4087 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4088 | return -1; | |
4089 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4090 | return -1; | |
4091 | break; | |
4092 | ||
4093 | case 0x20: /* LPDR - load positive */ | |
4094 | case 0x30: /* LPER - load positive */ | |
4095 | case 0x21: /* LNDR - load negative */ | |
4096 | case 0x31: /* LNER - load negative */ | |
4097 | case 0x22: /* LTDR - load and test */ | |
4098 | case 0x32: /* LTER - load and test */ | |
4099 | case 0x23: /* LCDR - load complement */ | |
4100 | case 0x33: /* LCER - load complement */ | |
4101 | case 0x2a: /* ADR - add */ | |
4102 | case 0x3a: /* AER - add */ | |
4103 | case 0x6a: /* AD - add */ | |
4104 | case 0x7a: /* AE - add */ | |
4105 | case 0x2b: /* SDR - subtract */ | |
4106 | case 0x3b: /* SER - subtract */ | |
4107 | case 0x6b: /* SD - subtract */ | |
4108 | case 0x7b: /* SE - subtract */ | |
4109 | case 0x2e: /* AWR - add unnormalized */ | |
4110 | case 0x3e: /* AUR - add unnormalized */ | |
4111 | case 0x6e: /* AW - add unnormalized */ | |
4112 | case 0x7e: /* AU - add unnormalized */ | |
4113 | case 0x2f: /* SWR - subtract unnormalized */ | |
4114 | case 0x3f: /* SUR - subtract unnormalized */ | |
4115 | case 0x6f: /* SW - subtract unnormalized */ | |
4116 | case 0x7f: /* SU - subtract unnormalized */ | |
4117 | /* float destination + flags */ | |
4118 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4119 | return -1; | |
4120 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4121 | return -1; | |
4122 | break; | |
4123 | ||
4124 | case 0x24: /* HDR - halve */ | |
4125 | case 0x34: /* HER - halve */ | |
4126 | case 0x25: /* LDXR - load rounded */ | |
4127 | case 0x35: /* LEDR - load rounded */ | |
4128 | case 0x28: /* LDR - load */ | |
4129 | case 0x38: /* LER - load */ | |
4130 | case 0x68: /* LD - load */ | |
4131 | case 0x78: /* LE - load */ | |
4132 | case 0x2c: /* MDR - multiply */ | |
4133 | case 0x3c: /* MDER - multiply */ | |
4134 | case 0x6c: /* MD - multiply */ | |
4135 | case 0x7c: /* MDE - multiply */ | |
4136 | case 0x2d: /* DDR - divide */ | |
4137 | case 0x3d: /* DER - divide */ | |
4138 | case 0x6d: /* DD - divide */ | |
4139 | case 0x7d: /* DE - divide */ | |
4140 | /* float destination, no flags */ | |
4141 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4142 | return -1; | |
4143 | break; | |
4144 | ||
4145 | case 0x26: /* MXR - multiply */ | |
4146 | case 0x27: /* MXDR - multiply */ | |
4147 | case 0x67: /* MXD - multiply */ | |
4148 | /* float pair destination, no flags */ | |
4149 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4150 | return -1; | |
4151 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
4152 | return -1; | |
4153 | break; | |
4154 | ||
4155 | case 0x36: /* AXR - add */ | |
4156 | case 0x37: /* SXR - subtract */ | |
4157 | /* float pair destination + flags */ | |
4158 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4159 | return -1; | |
4160 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
4161 | return -1; | |
4162 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4163 | return -1; | |
4164 | break; | |
4165 | ||
4166 | case 0x40: /* STH - store halfword */ | |
4167 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4168 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
4169 | return -1; | |
4170 | break; | |
4171 | ||
4172 | case 0x42: /* STC - store character */ | |
4173 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4174 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4175 | return -1; | |
4176 | break; | |
4177 | ||
4178 | case 0x44: /* EX - execute */ | |
4179 | if (ex != -1) | |
4180 | { | |
4181 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
4182 | paddress (gdbarch, addr)); | |
4183 | return -1; | |
4184 | } | |
4185 | addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4186 | if (inib[2]) | |
4187 | { | |
4188 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
4189 | ex = tmp & 0xff; | |
4190 | } | |
4191 | else | |
4192 | { | |
4193 | ex = 0; | |
4194 | } | |
4195 | goto ex; | |
4196 | ||
4197 | case 0x4e: /* CVD - convert to decimal */ | |
4198 | case 0x60: /* STD - store */ | |
4199 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4200 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4201 | return -1; | |
4202 | break; | |
4203 | ||
4204 | case 0x4f: /* CVB - convert to binary */ | |
4205 | /* 32-bit gpr destination + FPC (DXC write) */ | |
4206 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4207 | return -1; | |
4208 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4209 | return -1; | |
4210 | break; | |
4211 | ||
4212 | case 0x50: /* ST - store */ | |
4213 | case 0x70: /* STE - store */ | |
4214 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4215 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4216 | return -1; | |
4217 | break; | |
4218 | ||
4219 | case 0x51: /* LAE - load address extended */ | |
4220 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4221 | return -1; | |
4222 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
4223 | return -1; | |
4224 | break; | |
4225 | ||
4226 | /* 0x52 undefined */ | |
4227 | /* 0x53 undefined */ | |
4228 | ||
4229 | /* 0x61-0x66 undefined */ | |
4230 | ||
4231 | /* 0x72-0x77 undefined */ | |
4232 | ||
4233 | /* 0x80 privileged: SSM - set system mask */ | |
4234 | /* 0x81 undefined */ | |
4235 | /* 0x82 privileged: LPSW - load PSW */ | |
4236 | /* 0x83 privileged: diagnose */ | |
4237 | ||
4238 | case 0x8e: /* SRDA - shift right double */ | |
4239 | case 0x8f: /* SLDA - shift left double */ | |
4240 | /* 32-bit pair destination + flags */ | |
4241 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4242 | return -1; | |
4243 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4244 | return -1; | |
4245 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4246 | return -1; | |
4247 | break; | |
4248 | ||
4249 | case 0x90: /* STM - store multiple */ | |
4250 | case 0x9b: /* STAM - store access multiple */ | |
4251 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4252 | if (inib[2] <= inib[3]) | |
4253 | n = inib[3] - inib[2] + 1; | |
4254 | else | |
4255 | n = inib[3] + 0x10 - inib[2] + 1; | |
4256 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
4257 | return -1; | |
4258 | break; | |
4259 | ||
4260 | case 0x92: /* MVI - move */ | |
4261 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4262 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4263 | return -1; | |
4264 | break; | |
4265 | ||
4266 | case 0x93: /* TS - test and set */ | |
4267 | case 0x94: /* NI - and */ | |
4268 | case 0x96: /* OI - or */ | |
4269 | case 0x97: /* XI - xor */ | |
4270 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4271 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4272 | return -1; | |
4273 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4274 | return -1; | |
4275 | break; | |
4276 | ||
4277 | case 0x98: /* LM - load multiple */ | |
4278 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
4279 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
4280 | return -1; | |
4281 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
4282 | return -1; | |
4283 | break; | |
4284 | ||
4285 | /* 0x99 privileged: TRACE */ | |
4286 | ||
4287 | case 0x9a: /* LAM - load access multiple */ | |
4288 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
4289 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
4290 | return -1; | |
4291 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
4292 | return -1; | |
4293 | break; | |
4294 | ||
4295 | /* 0x9c-0x9f privileged and obsolete (old I/O) */ | |
4296 | /* 0xa0-0xa4 undefined */ | |
4297 | ||
4298 | case 0xa5: | |
4299 | case 0xa7: | |
4300 | /* RI-format instruction */ | |
4301 | switch (ibyte[0] << 4 | inib[3]) | |
4302 | { | |
4303 | case 0xa50: /* IIHH - insert immediate */ | |
4304 | case 0xa51: /* IIHL - insert immediate */ | |
4305 | /* high 32-bit destination */ | |
4306 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4307 | return -1; | |
4308 | break; | |
4309 | ||
4310 | case 0xa52: /* IILH - insert immediate */ | |
4311 | case 0xa53: /* IILL - insert immediate */ | |
4312 | case 0xa75: /* BRAS - branch relative and save */ | |
4313 | case 0xa76: /* BRCT - branch relative on count */ | |
4314 | case 0xa78: /* LHI - load halfword immediate */ | |
4315 | case 0xa7c: /* MHI - multiply halfword immediate */ | |
4316 | /* 32-bit or native destination */ | |
4317 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4318 | return -1; | |
4319 | break; | |
4320 | ||
4321 | case 0xa54: /* NIHH - and immediate */ | |
4322 | case 0xa55: /* NIHL - and immediate */ | |
4323 | case 0xa58: /* OIHH - or immediate */ | |
4324 | case 0xa59: /* OIHL - or immediate */ | |
4325 | /* high 32-bit destination + flags */ | |
4326 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4327 | return -1; | |
4328 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4329 | return -1; | |
4330 | break; | |
4331 | ||
4332 | case 0xa56: /* NILH - and immediate */ | |
4333 | case 0xa57: /* NILL - and immediate */ | |
4334 | case 0xa5a: /* OILH - or immediate */ | |
4335 | case 0xa5b: /* OILL - or immediate */ | |
4336 | case 0xa7a: /* AHI - add halfword immediate */ | |
4337 | /* 32-bit destination + flags */ | |
4338 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4339 | return -1; | |
4340 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4341 | return -1; | |
4342 | break; | |
4343 | ||
4344 | case 0xa5c: /* LLIHH - load logical immediate */ | |
4345 | case 0xa5d: /* LLIHL - load logical immediate */ | |
4346 | case 0xa5e: /* LLILH - load logical immediate */ | |
4347 | case 0xa5f: /* LLILL - load logical immediate */ | |
4348 | case 0xa77: /* BRCTG - branch relative on count */ | |
4349 | case 0xa79: /* LGHI - load halfword immediate */ | |
4350 | case 0xa7d: /* MGHI - multiply halfword immediate */ | |
4351 | /* 64-bit destination */ | |
4352 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4353 | return -1; | |
4354 | break; | |
4355 | ||
4356 | case 0xa70: /* TMLH - test under mask */ | |
4357 | case 0xa71: /* TMLL - test under mask */ | |
4358 | case 0xa72: /* TMHH - test under mask */ | |
4359 | case 0xa73: /* TMHL - test under mask */ | |
4360 | case 0xa7e: /* CHI - compare halfword immediate */ | |
4361 | case 0xa7f: /* CGHI - compare halfword immediate */ | |
4362 | /* flags only */ | |
4363 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4364 | return -1; | |
4365 | break; | |
4366 | ||
4367 | case 0xa74: /* BRC - branch relative on condition */ | |
4368 | /* no register change */ | |
4369 | break; | |
4370 | ||
4371 | case 0xa7b: /* AGHI - add halfword immediate */ | |
4372 | /* 64-bit destination + flags */ | |
4373 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4374 | return -1; | |
4375 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4376 | return -1; | |
4377 | break; | |
4378 | ||
4379 | default: | |
4380 | goto UNKNOWN_OP; | |
4381 | } | |
4382 | break; | |
4383 | ||
4384 | /* 0xa6 undefined */ | |
4385 | ||
4386 | case 0xa8: /* MVCLE - move long extended [partial] */ | |
4387 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
4388 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4389 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
4390 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4391 | return -1; | |
4392 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4393 | return -1; | |
4394 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4395 | return -1; | |
4396 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
4397 | return -1; | |
4398 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
4399 | return -1; | |
4400 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4401 | return -1; | |
4402 | break; | |
4403 | ||
4404 | /* 0xaa-0xab undefined */ | |
4405 | /* 0xac privileged: STNSM - store then and system mask */ | |
4406 | /* 0xad privileged: STOSM - store then or system mask */ | |
4407 | /* 0xae privileged: SIGP - signal processor */ | |
4408 | /* 0xaf unsupported: MC - monitor call */ | |
4409 | /* 0xb0 undefined */ | |
4410 | /* 0xb1 privileged: LRA - load real address */ | |
4411 | ||
4412 | case 0xb2: | |
4413 | case 0xb3: | |
4414 | case 0xb9: | |
4415 | /* S/RRD/RRE/RRF/IE-format instruction */ | |
4416 | switch (insn[0]) | |
4417 | { | |
4418 | /* 0xb200-0xb204 undefined or privileged */ | |
4419 | ||
4420 | case 0xb205: /* STCK - store clock */ | |
4421 | case 0xb27c: /* STCKF - store clock fast */ | |
4422 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4423 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4424 | return -1; | |
4425 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4426 | return -1; | |
4427 | break; | |
4428 | ||
4429 | /* 0xb206-0xb219 undefined, privileged, or unsupported */ | |
4430 | /* 0xb21a unsupported: CFC */ | |
4431 | /* 0xb21b-0xb221 undefined or privileged */ | |
4432 | ||
4433 | case 0xb222: /* IPM - insert program mask */ | |
4434 | case 0xb24f: /* EAR - extract access */ | |
4435 | case 0xb252: /* MSR - multiply single */ | |
4436 | case 0xb2ec: /* ETND - extract transaction nesting depth */ | |
4437 | case 0xb38c: /* EFPC - extract fpc */ | |
4438 | case 0xb91f: /* LRVR - load reversed */ | |
4439 | case 0xb926: /* LBR - load byte */ | |
4440 | case 0xb927: /* LHR - load halfword */ | |
4441 | case 0xb994: /* LLCR - load logical character */ | |
4442 | case 0xb995: /* LLHR - load logical halfword */ | |
4443 | case 0xb9f2: /* LOCR - load on condition */ | |
4444 | /* 32-bit gpr destination */ | |
4445 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4446 | return -1; | |
4447 | break; | |
4448 | ||
4449 | /* 0xb223-0xb22c privileged or unsupported */ | |
4450 | ||
4451 | case 0xb22d: /* DXR - divide */ | |
4452 | case 0xb325: /* LXDR - load lengthened */ | |
4453 | case 0xb326: /* LXER - load lengthened */ | |
4454 | case 0xb336: /* SQXR - square root */ | |
4455 | case 0xb365: /* LXR - load */ | |
4456 | case 0xb367: /* FIXR - load fp integer */ | |
4457 | case 0xb376: /* LZXR - load zero */ | |
4458 | case 0xb3b6: /* CXFR - convert from fixed */ | |
4459 | case 0xb3c6: /* CXGR - convert from fixed */ | |
4460 | case 0xb3fe: /* IEXTR - insert biased exponent */ | |
4461 | /* float pair destination */ | |
4462 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4463 | return -1; | |
4464 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4465 | return -1; | |
4466 | break; | |
4467 | ||
4468 | /* 0xb22e-0xb240 undefined, privileged, or unsupported */ | |
4469 | ||
4470 | case 0xb241: /* CKSM - checksum [partial] */ | |
4471 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4472 | return -1; | |
4473 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4474 | return -1; | |
4475 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4476 | return -1; | |
4477 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4478 | return -1; | |
4479 | break; | |
4480 | ||
4481 | /* 0xb242-0xb243 undefined */ | |
4482 | ||
4483 | case 0xb244: /* SQDR - square root */ | |
4484 | case 0xb245: /* SQER - square root */ | |
4485 | case 0xb324: /* LDER - load lengthened */ | |
4486 | case 0xb337: /* MEER - multiply */ | |
4487 | case 0xb366: /* LEXR - load rounded */ | |
4488 | case 0xb370: /* LPDFR - load positive */ | |
4489 | case 0xb371: /* LNDFR - load negative */ | |
4490 | case 0xb372: /* CSDFR - copy sign */ | |
4491 | case 0xb373: /* LCDFR - load complement */ | |
4492 | case 0xb374: /* LZER - load zero */ | |
4493 | case 0xb375: /* LZDR - load zero */ | |
4494 | case 0xb377: /* FIER - load fp integer */ | |
4495 | case 0xb37f: /* FIDR - load fp integer */ | |
4496 | case 0xb3b4: /* CEFR - convert from fixed */ | |
4497 | case 0xb3b5: /* CDFR - convert from fixed */ | |
4498 | case 0xb3c1: /* LDGR - load fpr from gr */ | |
4499 | case 0xb3c4: /* CEGR - convert from fixed */ | |
4500 | case 0xb3c5: /* CDGR - convert from fixed */ | |
4501 | case 0xb3f6: /* IEDTR - insert biased exponent */ | |
4502 | /* float destination */ | |
4503 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4504 | return -1; | |
4505 | break; | |
4506 | ||
4507 | /* 0xb246-0xb24c: privileged or unsupported */ | |
4508 | ||
4509 | case 0xb24d: /* CPYA - copy access */ | |
4510 | case 0xb24e: /* SAR - set access */ | |
4511 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6])) | |
4512 | return -1; | |
4513 | break; | |
4514 | ||
4515 | /* 0xb250-0xb251 undefined or privileged */ | |
4516 | /* 0xb253-0xb254 undefined or privileged */ | |
4517 | ||
4518 | case 0xb255: /* MVST - move string [partial] */ | |
4519 | { | |
4520 | uint8_t end; | |
4521 | gdb_byte cur; | |
4522 | ULONGEST num = 0; | |
4523 | /* Read ending byte. */ | |
4524 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4525 | end = tmp & 0xff; | |
4526 | /* Get address of second operand. */ | |
4527 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp); | |
4528 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4529 | /* Search for ending byte and compute length. */ | |
4530 | do { | |
4531 | num++; | |
4532 | if (target_read_memory (oaddr, &cur, 1)) | |
4533 | return -1; | |
4534 | oaddr++; | |
4535 | } while (cur != end); | |
4536 | /* Get address of first operand and record it. */ | |
4537 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4538 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4539 | if (record_full_arch_list_add_mem (oaddr, num)) | |
4540 | return -1; | |
4541 | /* Record the registers. */ | |
4542 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4543 | return -1; | |
4544 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4545 | return -1; | |
4546 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4547 | return -1; | |
4548 | } | |
4549 | break; | |
4550 | ||
4551 | /* 0xb256 undefined */ | |
4552 | ||
4553 | case 0xb257: /* CUSE - compare until substring equal [interruptible] */ | |
4554 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4555 | return -1; | |
4556 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4557 | return -1; | |
4558 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4559 | return -1; | |
4560 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4561 | return -1; | |
4562 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4563 | return -1; | |
4564 | break; | |
4565 | ||
4566 | /* 0xb258-0xb25c undefined, privileged, or unsupported */ | |
4567 | ||
4568 | case 0xb25d: /* CLST - compare logical string [partial] */ | |
4569 | case 0xb25e: /* SRST - search string [partial] */ | |
4570 | case 0xb9be: /* SRSTU - search string unicode [partial] */ | |
4571 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4572 | return -1; | |
4573 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4574 | return -1; | |
4575 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4576 | return -1; | |
4577 | break; | |
4578 | ||
4579 | /* 0xb25f-0xb262 undefined */ | |
4580 | ||
4581 | case 0xb263: /* CMPSC - compression call [interruptible] */ | |
4582 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4583 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4584 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4585 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4586 | return -1; | |
4587 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4588 | return -1; | |
4589 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4590 | return -1; | |
4591 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4592 | return -1; | |
4593 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4594 | return -1; | |
4595 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
4596 | return -1; | |
4597 | /* DXC may be written */ | |
4598 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4599 | return -1; | |
4600 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4601 | return -1; | |
4602 | break; | |
4603 | ||
4604 | /* 0xb264-0xb277 undefined, privileged, or unsupported */ | |
4605 | ||
4606 | case 0xb278: /* STCKE - store clock extended */ | |
4607 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4608 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4609 | return -1; | |
4610 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4611 | return -1; | |
4612 | break; | |
4613 | ||
4614 | /* 0xb279-0xb27b undefined or unsupported */ | |
4615 | /* 0xb27d-0xb298 undefined or privileged */ | |
4616 | ||
4617 | case 0xb299: /* SRNM - set rounding mode */ | |
4618 | case 0xb2b8: /* SRNMB - set bfp rounding mode */ | |
4619 | case 0xb2b9: /* SRNMT - set dfp rounding mode */ | |
4620 | case 0xb29d: /* LFPC - load fpc */ | |
4621 | case 0xb2bd: /* LFAS - load fpc and signal */ | |
4622 | case 0xb384: /* SFPC - set fpc */ | |
4623 | case 0xb385: /* SFASR - set fpc and signal */ | |
4624 | case 0xb960: /* CGRT - compare and trap */ | |
4625 | case 0xb961: /* CLGRT - compare logical and trap */ | |
4626 | case 0xb972: /* CRT - compare and trap */ | |
4627 | case 0xb973: /* CLRT - compare logical and trap */ | |
4628 | /* fpc only - including possible DXC write for trapping insns */ | |
4629 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4630 | return -1; | |
4631 | break; | |
4632 | ||
4633 | /* 0xb29a-0xb29b undefined */ | |
4634 | ||
4635 | case 0xb29c: /* STFPC - store fpc */ | |
4636 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4637 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4638 | return -1; | |
4639 | break; | |
4640 | ||
4641 | /* 0xb29e-0xb2a4 undefined */ | |
4642 | ||
4643 | case 0xb2a5: /* TRE - translate extended [partial] */ | |
4644 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4645 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4646 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4647 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4648 | return -1; | |
4649 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4650 | return -1; | |
4651 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4652 | return -1; | |
4653 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4654 | return -1; | |
4655 | break; | |
4656 | ||
4657 | case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */ | |
4658 | case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */ | |
4659 | case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */ | |
4660 | case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */ | |
4661 | case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */ | |
4662 | case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */ | |
4663 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4664 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4665 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4666 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4667 | return -1; | |
4668 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4669 | return -1; | |
4670 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4671 | return -1; | |
4672 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4673 | return -1; | |
4674 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4675 | return -1; | |
4676 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4677 | return -1; | |
4678 | break; | |
4679 | ||
4680 | /* 0xb2a8-0xb2af undefined */ | |
4681 | ||
4682 | case 0xb2b0: /* STFLE - store facility list extended */ | |
4683 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4684 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4685 | tmp &= 0xff; | |
4686 | if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1))) | |
4687 | return -1; | |
4688 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM)) | |
4689 | return -1; | |
4690 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4691 | return -1; | |
4692 | break; | |
4693 | ||
4694 | /* 0xb2b1-0xb2b7 undefined or privileged */ | |
4695 | /* 0xb2ba-0xb2bc undefined */ | |
4696 | /* 0xb2be-0xb2e7 undefined */ | |
4697 | /* 0xb2e9-0xb2eb undefined */ | |
4698 | /* 0xb2ed-0xb2f7 undefined */ | |
4699 | /* 0xb2f8 unsupported: TEND */ | |
4700 | /* 0xb2f9 undefined */ | |
4701 | ||
4702 | case 0xb2e8: /* PPA - perform processor assist */ | |
4703 | case 0xb2fa: /* NIAI - next instruction access intent */ | |
4704 | /* no visible effects */ | |
4705 | break; | |
4706 | ||
4707 | /* 0xb2fb undefined */ | |
4708 | /* 0xb2fc unsupported: TABORT */ | |
4709 | /* 0xb2fd-0xb2fe undefined */ | |
4710 | /* 0xb2ff unsupported: TRAP */ | |
4711 | ||
4712 | case 0xb300: /* LPEBR - load positive */ | |
4713 | case 0xb301: /* LNEBR - load negative */ | |
4714 | case 0xb303: /* LCEBR - load complement */ | |
4715 | case 0xb310: /* LPDBR - load positive */ | |
4716 | case 0xb311: /* LNDBR - load negative */ | |
4717 | case 0xb313: /* LCDBR - load complement */ | |
4718 | case 0xb350: /* TBEDR - convert hfp to bfp */ | |
4719 | case 0xb351: /* TBDR - convert hfp to bfp */ | |
4720 | case 0xb358: /* THDER - convert bfp to hfp */ | |
4721 | case 0xb359: /* THDR - convert bfp to hfp */ | |
4722 | /* float destination + flags */ | |
4723 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4724 | return -1; | |
4725 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4726 | return -1; | |
4727 | break; | |
4728 | ||
4729 | case 0xb304: /* LDEBR - load lengthened */ | |
4730 | case 0xb30c: /* MDEBR - multiply */ | |
4731 | case 0xb30d: /* DEBR - divide */ | |
4732 | case 0xb314: /* SQEBR - square root */ | |
4733 | case 0xb315: /* SQDBR - square root */ | |
4734 | case 0xb317: /* MEEBR - multiply */ | |
4735 | case 0xb31c: /* MDBR - multiply */ | |
4736 | case 0xb31d: /* DDBR - divide */ | |
4737 | case 0xb344: /* LEDBRA - load rounded */ | |
4738 | case 0xb345: /* LDXBRA - load rounded */ | |
4739 | case 0xb346: /* LEXBRA - load rounded */ | |
4740 | case 0xb357: /* FIEBRA - load fp integer */ | |
4741 | case 0xb35f: /* FIDBRA - load fp integer */ | |
4742 | case 0xb390: /* CELFBR - convert from logical */ | |
4743 | case 0xb391: /* CDLFBR - convert from logical */ | |
4744 | case 0xb394: /* CEFBR - convert from fixed */ | |
4745 | case 0xb395: /* CDFBR - convert from fixed */ | |
4746 | case 0xb3a0: /* CELGBR - convert from logical */ | |
4747 | case 0xb3a1: /* CDLGBR - convert from logical */ | |
4748 | case 0xb3a4: /* CEGBR - convert from fixed */ | |
4749 | case 0xb3a5: /* CDGBR - convert from fixed */ | |
4750 | case 0xb3d0: /* MDTR - multiply */ | |
4751 | case 0xb3d1: /* DDTR - divide */ | |
4752 | case 0xb3d4: /* LDETR - load lengthened */ | |
4753 | case 0xb3d5: /* LEDTR - load lengthened */ | |
4754 | case 0xb3d7: /* FIDTR - load fp integer */ | |
4755 | case 0xb3dd: /* LDXTR - load lengthened */ | |
4756 | case 0xb3f1: /* CDGTR - convert from fixed */ | |
4757 | case 0xb3f2: /* CDUTR - convert from unsigned packed */ | |
4758 | case 0xb3f3: /* CDSTR - convert from signed packed */ | |
4759 | case 0xb3f5: /* QADTR - quantize */ | |
4760 | case 0xb3f7: /* RRDTR - reround */ | |
4761 | case 0xb951: /* CDFTR - convert from fixed */ | |
4762 | case 0xb952: /* CDLGTR - convert from logical */ | |
4763 | case 0xb953: /* CDLFTR - convert from logical */ | |
4764 | /* float destination + fpc */ | |
4765 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4766 | return -1; | |
4767 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4768 | return -1; | |
4769 | break; | |
4770 | ||
4771 | case 0xb305: /* LXDBR - load lengthened */ | |
4772 | case 0xb306: /* LXEBR - load lengthened */ | |
4773 | case 0xb307: /* MXDBR - multiply */ | |
4774 | case 0xb316: /* SQXBR - square root */ | |
4775 | case 0xb34c: /* MXBR - multiply */ | |
4776 | case 0xb34d: /* DXBR - divide */ | |
4777 | case 0xb347: /* FIXBRA - load fp integer */ | |
4778 | case 0xb392: /* CXLFBR - convert from logical */ | |
4779 | case 0xb396: /* CXFBR - convert from fixed */ | |
4780 | case 0xb3a2: /* CXLGBR - convert from logical */ | |
4781 | case 0xb3a6: /* CXGBR - convert from fixed */ | |
4782 | case 0xb3d8: /* MXTR - multiply */ | |
4783 | case 0xb3d9: /* DXTR - divide */ | |
4784 | case 0xb3dc: /* LXDTR - load lengthened */ | |
4785 | case 0xb3df: /* FIXTR - load fp integer */ | |
4786 | case 0xb3f9: /* CXGTR - convert from fixed */ | |
4787 | case 0xb3fa: /* CXUTR - convert from unsigned packed */ | |
4788 | case 0xb3fb: /* CXSTR - convert from signed packed */ | |
4789 | case 0xb3fd: /* QAXTR - quantize */ | |
4790 | case 0xb3ff: /* RRXTR - reround */ | |
4791 | case 0xb959: /* CXFTR - convert from fixed */ | |
4792 | case 0xb95a: /* CXLGTR - convert from logical */ | |
4793 | case 0xb95b: /* CXLFTR - convert from logical */ | |
4794 | /* float pair destination + fpc */ | |
4795 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4796 | return -1; | |
4797 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4798 | return -1; | |
4799 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4800 | return -1; | |
4801 | break; | |
4802 | ||
4803 | case 0xb308: /* KEBR - compare and signal */ | |
4804 | case 0xb309: /* CEBR - compare */ | |
4805 | case 0xb318: /* KDBR - compare and signal */ | |
4806 | case 0xb319: /* CDBR - compare */ | |
4807 | case 0xb348: /* KXBR - compare and signal */ | |
4808 | case 0xb349: /* CXBR - compare */ | |
4809 | case 0xb3e0: /* KDTR - compare and signal */ | |
4810 | case 0xb3e4: /* CDTR - compare */ | |
4811 | case 0xb3e8: /* KXTR - compare and signal */ | |
4812 | case 0xb3ec: /* CXTR - compare */ | |
4813 | /* flags + fpc only */ | |
4814 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4815 | return -1; | |
4816 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4817 | return -1; | |
4818 | break; | |
4819 | ||
4820 | case 0xb302: /* LTEBR - load and test */ | |
4821 | case 0xb312: /* LTDBR - load and test */ | |
4822 | case 0xb30a: /* AEBR - add */ | |
4823 | case 0xb30b: /* SEBR - subtract */ | |
4824 | case 0xb31a: /* ADBR - add */ | |
4825 | case 0xb31b: /* SDBR - subtract */ | |
4826 | case 0xb3d2: /* ADTR - add */ | |
4827 | case 0xb3d3: /* SDTR - subtract */ | |
4828 | case 0xb3d6: /* LTDTR - load and test */ | |
4829 | /* float destination + flags + fpc */ | |
4830 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4831 | return -1; | |
4832 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4833 | return -1; | |
4834 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4835 | return -1; | |
4836 | break; | |
4837 | ||
4838 | case 0xb30e: /* MAEBR - multiply and add */ | |
4839 | case 0xb30f: /* MSEBR - multiply and subtract */ | |
4840 | case 0xb31e: /* MADBR - multiply and add */ | |
4841 | case 0xb31f: /* MSDBR - multiply and subtract */ | |
4842 | /* float destination [RRD] + fpc */ | |
4843 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4844 | return -1; | |
4845 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4846 | return -1; | |
4847 | break; | |
4848 | ||
4849 | /* 0xb320-0xb323 undefined */ | |
4850 | /* 0xb327-0xb32d undefined */ | |
4851 | ||
4852 | case 0xb32e: /* MAER - multiply and add */ | |
4853 | case 0xb32f: /* MSER - multiply and subtract */ | |
4854 | case 0xb338: /* MAYLR - multiply and add unnormalized */ | |
4855 | case 0xb339: /* MYLR - multiply unnormalized */ | |
4856 | case 0xb33c: /* MAYHR - multiply and add unnormalized */ | |
4857 | case 0xb33d: /* MYHR - multiply unnormalized */ | |
4858 | case 0xb33e: /* MADR - multiply and add */ | |
4859 | case 0xb33f: /* MSDR - multiply and subtract */ | |
4860 | /* float destination [RRD] */ | |
4861 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4862 | return -1; | |
4863 | break; | |
4864 | ||
4865 | /* 0xb330-0xb335 undefined */ | |
4866 | ||
4867 | case 0xb33a: /* MAYR - multiply and add unnormalized */ | |
4868 | case 0xb33b: /* MYR - multiply unnormalized */ | |
4869 | /* float pair destination [RRD] */ | |
4870 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4871 | return -1; | |
4872 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2))) | |
4873 | return -1; | |
4874 | break; | |
4875 | ||
4876 | case 0xb340: /* LPXBR - load positive */ | |
4877 | case 0xb341: /* LNXBR - load negative */ | |
4878 | case 0xb343: /* LCXBR - load complement */ | |
4879 | case 0xb360: /* LPXR - load positive */ | |
4880 | case 0xb361: /* LNXR - load negative */ | |
4881 | case 0xb362: /* LTXR - load and test */ | |
4882 | case 0xb363: /* LCXR - load complement */ | |
4883 | /* float pair destination + flags */ | |
4884 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4885 | return -1; | |
4886 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4887 | return -1; | |
4888 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4889 | return -1; | |
4890 | break; | |
4891 | ||
4892 | case 0xb342: /* LTXBR - load and test */ | |
4893 | case 0xb34a: /* AXBR - add */ | |
4894 | case 0xb34b: /* SXBR - subtract */ | |
4895 | case 0xb3da: /* AXTR - add */ | |
4896 | case 0xb3db: /* SXTR - subtract */ | |
4897 | case 0xb3de: /* LTXTR - load and test */ | |
4898 | /* float pair destination + flags + fpc */ | |
4899 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4900 | return -1; | |
4901 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4902 | return -1; | |
4903 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4904 | return -1; | |
4905 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4906 | return -1; | |
4907 | break; | |
4908 | ||
4909 | /* 0xb34e-0xb34f undefined */ | |
4910 | /* 0xb352 undefined */ | |
4911 | ||
4912 | case 0xb353: /* DIEBR - divide to integer */ | |
4913 | case 0xb35b: /* DIDBR - divide to integer */ | |
4914 | /* two float destinations + flags + fpc */ | |
4915 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4916 | return -1; | |
4917 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4918 | return -1; | |
4919 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4920 | return -1; | |
4921 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4922 | return -1; | |
4923 | break; | |
4924 | ||
4925 | /* 0xb354-0xb356 undefined */ | |
4926 | /* 0xb35a undefined */ | |
4927 | ||
4928 | /* 0xb35c-0xb35e undefined */ | |
4929 | /* 0xb364 undefined */ | |
4930 | /* 0xb368 undefined */ | |
4931 | ||
4932 | case 0xb369: /* CXR - compare */ | |
4933 | case 0xb3f4: /* CEDTR - compare biased exponent */ | |
4934 | case 0xb3fc: /* CEXTR - compare biased exponent */ | |
4935 | case 0xb920: /* CGR - compare */ | |
4936 | case 0xb921: /* CLGR - compare logical */ | |
4937 | case 0xb930: /* CGFR - compare */ | |
4938 | case 0xb931: /* CLGFR - compare logical */ | |
4939 | case 0xb9cd: /* CHHR - compare high */ | |
4940 | case 0xb9cf: /* CLHHR - compare logical high */ | |
4941 | case 0xb9dd: /* CHLR - compare high */ | |
4942 | case 0xb9df: /* CLHLR - compare logical high */ | |
4943 | /* flags only */ | |
4944 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4945 | return -1; | |
4946 | break; | |
4947 | ||
4948 | /* 0xb36a-0xb36f undefined */ | |
4949 | /* 0xb377-0xb37e undefined */ | |
4950 | /* 0xb380-0xb383 undefined */ | |
4951 | /* 0xb386-0xb38b undefined */ | |
4952 | /* 0xb38d-0xb38f undefined */ | |
4953 | /* 0xb393 undefined */ | |
4954 | /* 0xb397 undefined */ | |
4955 | ||
4956 | case 0xb398: /* CFEBR - convert to fixed */ | |
4957 | case 0xb399: /* CFDBR - convert to fixed */ | |
4958 | case 0xb39a: /* CFXBR - convert to fixed */ | |
4959 | case 0xb39c: /* CLFEBR - convert to logical */ | |
4960 | case 0xb39d: /* CLFDBR - convert to logical */ | |
4961 | case 0xb39e: /* CLFXBR - convert to logical */ | |
4962 | case 0xb941: /* CFDTR - convert to fixed */ | |
4963 | case 0xb949: /* CFXTR - convert to fixed */ | |
4964 | case 0xb943: /* CLFDTR - convert to logical */ | |
4965 | case 0xb94b: /* CLFXTR - convert to logical */ | |
4966 | /* 32-bit gpr destination + flags + fpc */ | |
4967 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4968 | return -1; | |
4969 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4970 | return -1; | |
4971 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4972 | return -1; | |
4973 | break; | |
4974 | ||
4975 | /* 0xb39b undefined */ | |
4976 | /* 0xb39f undefined */ | |
4977 | ||
4978 | /* 0xb3a3 undefined */ | |
4979 | /* 0xb3a7 undefined */ | |
4980 | ||
4981 | case 0xb3a8: /* CGEBR - convert to fixed */ | |
4982 | case 0xb3a9: /* CGDBR - convert to fixed */ | |
4983 | case 0xb3aa: /* CGXBR - convert to fixed */ | |
4984 | case 0xb3ac: /* CLGEBR - convert to logical */ | |
4985 | case 0xb3ad: /* CLGDBR - convert to logical */ | |
4986 | case 0xb3ae: /* CLGXBR - convert to logical */ | |
4987 | case 0xb3e1: /* CGDTR - convert to fixed */ | |
4988 | case 0xb3e9: /* CGXTR - convert to fixed */ | |
4989 | case 0xb942: /* CLGDTR - convert to logical */ | |
4990 | case 0xb94a: /* CLGXTR - convert to logical */ | |
4991 | /* 64-bit gpr destination + flags + fpc */ | |
4992 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4993 | return -1; | |
4994 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4995 | return -1; | |
4996 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4997 | return -1; | |
4998 | break; | |
4999 | ||
5000 | /* 0xb3ab undefined */ | |
5001 | /* 0xb3af-0xb3b3 undefined */ | |
5002 | /* 0xb3b7 undefined */ | |
5003 | ||
5004 | case 0xb3b8: /* CFER - convert to fixed */ | |
5005 | case 0xb3b9: /* CFDR - convert to fixed */ | |
5006 | case 0xb3ba: /* CFXR - convert to fixed */ | |
5007 | case 0xb998: /* ALCR - add logical with carry */ | |
5008 | case 0xb999: /* SLBR - subtract logical with borrow */ | |
5009 | case 0xb9f4: /* NRK - and */ | |
5010 | case 0xb9f6: /* ORK - or */ | |
5011 | case 0xb9f7: /* XRK - xor */ | |
5012 | case 0xb9f8: /* ARK - add */ | |
5013 | case 0xb9f9: /* SRK - subtract */ | |
5014 | case 0xb9fa: /* ALRK - add logical */ | |
5015 | case 0xb9fb: /* SLRK - subtract logical */ | |
5016 | /* 32-bit gpr destination + flags */ | |
5017 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5018 | return -1; | |
5019 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5020 | return -1; | |
5021 | break; | |
5022 | ||
5023 | case 0xb3c8: /* CGER - convert to fixed */ | |
5024 | case 0xb3c9: /* CGDR - convert to fixed */ | |
5025 | case 0xb3ca: /* CGXR - convert to fixed */ | |
5026 | case 0xb900: /* LPGR - load positive */ | |
5027 | case 0xb901: /* LNGR - load negative */ | |
5028 | case 0xb902: /* LTGR - load and test */ | |
5029 | case 0xb903: /* LCGR - load complement */ | |
5030 | case 0xb908: /* AGR - add */ | |
5031 | case 0xb909: /* SGR - subtract */ | |
5032 | case 0xb90a: /* ALGR - add logical */ | |
5033 | case 0xb90b: /* SLGR - subtract logical */ | |
5034 | case 0xb910: /* LPGFR - load positive */ | |
5035 | case 0xb911: /* LNGFR - load negative */ | |
5036 | case 0xb912: /* LTGFR - load and test */ | |
5037 | case 0xb913: /* LCGFR - load complement */ | |
5038 | case 0xb918: /* AGFR - add */ | |
5039 | case 0xb919: /* SGFR - subtract */ | |
5040 | case 0xb91a: /* ALGFR - add logical */ | |
5041 | case 0xb91b: /* SLGFR - subtract logical */ | |
5042 | case 0xb980: /* NGR - and */ | |
5043 | case 0xb981: /* OGR - or */ | |
5044 | case 0xb982: /* XGR - xor */ | |
5045 | case 0xb988: /* ALCGR - add logical with carry */ | |
5046 | case 0xb989: /* SLBGR - subtract logical with borrow */ | |
5047 | case 0xb9e1: /* POPCNT - population count */ | |
5048 | case 0xb9e4: /* NGRK - and */ | |
5049 | case 0xb9e6: /* OGRK - or */ | |
5050 | case 0xb9e7: /* XGRK - xor */ | |
5051 | case 0xb9e8: /* AGRK - add */ | |
5052 | case 0xb9e9: /* SGRK - subtract */ | |
5053 | case 0xb9ea: /* ALGRK - add logical */ | |
5054 | case 0xb9eb: /* SLGRK - subtract logical */ | |
55efceab AA |
5055 | case 0xb9ed: /* MSGRKC - multiply single 64x64 -> 64 */ |
5056 | case 0xb9fd: /* MSRKC - multiply single 32x32 -> 32 */ | |
566c56c9 MK |
5057 | /* 64-bit gpr destination + flags */ |
5058 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5059 | return -1; | |
5060 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5061 | return -1; | |
5062 | break; | |
5063 | ||
5064 | /* 0xb3bb-0xb3c0 undefined */ | |
5065 | /* 0xb3c2-0xb3c3 undefined */ | |
5066 | /* 0xb3c7 undefined */ | |
5067 | /* 0xb3cb-0xb3cc undefined */ | |
5068 | ||
5069 | case 0xb3cd: /* LGDR - load gr from fpr */ | |
5070 | case 0xb3e2: /* CUDTR - convert to unsigned packed */ | |
5071 | case 0xb3e3: /* CSDTR - convert to signed packed */ | |
5072 | case 0xb3e5: /* EEDTR - extract biased exponent */ | |
5073 | case 0xb3e7: /* ESDTR - extract significance */ | |
5074 | case 0xb3ed: /* EEXTR - extract biased exponent */ | |
5075 | case 0xb3ef: /* ESXTR - extract significance */ | |
5076 | case 0xb904: /* LGR - load */ | |
5077 | case 0xb906: /* LGBR - load byte */ | |
5078 | case 0xb907: /* LGHR - load halfword */ | |
5079 | case 0xb90c: /* MSGR - multiply single */ | |
5080 | case 0xb90f: /* LRVGR - load reversed */ | |
5081 | case 0xb914: /* LGFR - load */ | |
5082 | case 0xb916: /* LLGFR - load logical */ | |
5083 | case 0xb917: /* LLGTR - load logical thirty one bits */ | |
55efceab | 5084 | case 0xb91c: /* MSGFR - multiply single 64<32 */ |
566c56c9 MK |
5085 | case 0xb946: /* BCTGR - branch on count */ |
5086 | case 0xb984: /* LLGCR - load logical character */ | |
5087 | case 0xb985: /* LLGHR - load logical halfword */ | |
5088 | case 0xb9e2: /* LOCGR - load on condition */ | |
5089 | /* 64-bit gpr destination */ | |
5090 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5091 | return -1; | |
5092 | break; | |
5093 | ||
5094 | /* 0xb3ce-0xb3cf undefined */ | |
5095 | /* 0xb3e6 undefined */ | |
5096 | ||
5097 | case 0xb3ea: /* CUXTR - convert to unsigned packed */ | |
5098 | case 0xb3eb: /* CSXTR - convert to signed packed */ | |
5099 | case 0xb90d: /* DSGR - divide single */ | |
5100 | case 0xb91d: /* DSGFR - divide single */ | |
5101 | case 0xb986: /* MLGR - multiply logical */ | |
5102 | case 0xb987: /* DLGR - divide logical */ | |
55efceab | 5103 | case 0xb9ec: /* MGRK - multiply 64x64 -> 128 */ |
566c56c9 MK |
5104 | /* 64-bit gpr pair destination */ |
5105 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5106 | return -1; | |
5107 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
5108 | return -1; | |
5109 | break; | |
5110 | ||
5111 | /* 0xb3ee undefined */ | |
5112 | /* 0xb3f0 undefined */ | |
5113 | /* 0xb3f8 undefined */ | |
5114 | ||
5115 | /* 0xb905 privileged */ | |
5116 | ||
5117 | /* 0xb90e unsupported: EREGG */ | |
5118 | ||
5119 | /* 0xb915 undefined */ | |
5120 | ||
5121 | case 0xb91e: /* KMAC - compute message authentication code [partial] */ | |
5122 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5123 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5124 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5125 | tmp &= 0xff; | |
5126 | switch (tmp) | |
5127 | { | |
5128 | case 0x00: /* KMAC-Query */ | |
5129 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5130 | return -1; | |
5131 | break; | |
5132 | ||
5133 | case 0x01: /* KMAC-DEA */ | |
5134 | case 0x02: /* KMAC-TDEA-128 */ | |
5135 | case 0x03: /* KMAC-TDEA-192 */ | |
5136 | case 0x09: /* KMAC-Encrypted-DEA */ | |
5137 | case 0x0a: /* KMAC-Encrypted-TDEA-128 */ | |
5138 | case 0x0b: /* KMAC-Encrypted-TDEA-192 */ | |
5139 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5140 | return -1; | |
5141 | break; | |
5142 | ||
5143 | case 0x12: /* KMAC-AES-128 */ | |
5144 | case 0x13: /* KMAC-AES-192 */ | |
5145 | case 0x14: /* KMAC-AES-256 */ | |
5146 | case 0x1a: /* KMAC-Encrypted-AES-128 */ | |
5147 | case 0x1b: /* KMAC-Encrypted-AES-192 */ | |
5148 | case 0x1c: /* KMAC-Encrypted-AES-256 */ | |
5149 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5150 | return -1; | |
5151 | break; | |
5152 | ||
5153 | default: | |
5154 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
5155 | (int)tmp, paddress (gdbarch, addr)); | |
5156 | return -1; | |
5157 | } | |
5158 | if (tmp != 0) | |
5159 | { | |
5160 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5161 | return -1; | |
5162 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5163 | return -1; | |
5164 | } | |
5165 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5166 | return -1; | |
5167 | break; | |
5168 | ||
5169 | /* 0xb922-0xb924 undefined */ | |
5170 | /* 0xb925 privileged */ | |
5171 | /* 0xb928 privileged */ | |
566c56c9 | 5172 | |
55efceab | 5173 | case 0xb929: /* KMA - cipher message with authentication */ |
566c56c9 MK |
5174 | case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */ |
5175 | case 0xb92b: /* KMO - cipher message with output feedback [partial] */ | |
5176 | case 0xb92f: /* KMC - cipher message with chaining [partial] */ | |
5177 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5178 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5179 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5180 | tmp &= 0x7f; | |
5181 | switch (tmp) | |
5182 | { | |
5183 | case 0x00: /* KM*-Query */ | |
5184 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5185 | return -1; | |
5186 | break; | |
5187 | ||
5188 | case 0x01: /* KM*-DEA */ | |
5189 | case 0x02: /* KM*-TDEA-128 */ | |
5190 | case 0x03: /* KM*-TDEA-192 */ | |
5191 | case 0x09: /* KM*-Encrypted-DEA */ | |
5192 | case 0x0a: /* KM*-Encrypted-TDEA-128 */ | |
5193 | case 0x0b: /* KM*-Encrypted-TDEA-192 */ | |
5194 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5195 | return -1; | |
5196 | break; | |
5197 | ||
5198 | case 0x12: /* KM*-AES-128 */ | |
5199 | case 0x13: /* KM*-AES-192 */ | |
5200 | case 0x14: /* KM*-AES-256 */ | |
5201 | case 0x1a: /* KM*-Encrypted-AES-128 */ | |
5202 | case 0x1b: /* KM*-Encrypted-AES-192 */ | |
5203 | case 0x1c: /* KM*-Encrypted-AES-256 */ | |
5204 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5205 | return -1; | |
5206 | break; | |
5207 | ||
5208 | case 0x43: /* KMC-PRNG */ | |
5209 | /* Only valid for KMC. */ | |
5210 | if (insn[0] == 0xb92f) | |
5211 | { | |
5212 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5213 | return -1; | |
5214 | break; | |
5215 | } | |
5216 | /* For other instructions, fallthru. */ | |
5217 | default: | |
5218 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n", | |
5219 | (int)tmp, paddress (gdbarch, addr)); | |
5220 | return -1; | |
5221 | } | |
5222 | if (tmp != 0) | |
5223 | { | |
5224 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5225 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5226 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5227 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5228 | return -1; | |
5229 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5230 | return -1; | |
5231 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5232 | return -1; | |
5233 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5234 | return -1; | |
5235 | } | |
55efceab AA |
5236 | if (tmp != 0 && insn[0] == 0xb929) |
5237 | { | |
5238 | if (record_full_arch_list_add_reg (regcache, | |
5239 | S390_R0_REGNUM + inib[4])) | |
5240 | return -1; | |
5241 | if (record_full_arch_list_add_reg (regcache, | |
5242 | S390_R0_REGNUM + (inib[4] | 1))) | |
5243 | return -1; | |
5244 | } | |
566c56c9 MK |
5245 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
5246 | return -1; | |
5247 | break; | |
5248 | ||
5249 | case 0xb92c: /* PCC - perform cryptographic computation [partial] */ | |
5250 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5251 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5252 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5253 | tmp &= 0x7f; | |
5254 | switch (tmp) | |
5255 | { | |
5256 | case 0x00: /* PCC-Query */ | |
5257 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5258 | return -1; | |
5259 | break; | |
5260 | ||
5261 | case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */ | |
5262 | case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */ | |
5263 | case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */ | |
5264 | case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */ | |
5265 | case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */ | |
5266 | case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */ | |
5267 | if (record_full_arch_list_add_mem (oaddr + 0x10, 8)) | |
5268 | return -1; | |
5269 | break; | |
5270 | ||
5271 | case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */ | |
5272 | case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */ | |
5273 | case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */ | |
5274 | case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */ | |
5275 | case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */ | |
5276 | case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */ | |
5277 | if (record_full_arch_list_add_mem (oaddr + 0x18, 16)) | |
5278 | return -1; | |
5279 | break; | |
5280 | ||
5281 | case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */ | |
5282 | if (record_full_arch_list_add_mem (oaddr + 0x30, 32)) | |
5283 | return -1; | |
5284 | break; | |
5285 | ||
5286 | case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */ | |
5287 | if (record_full_arch_list_add_mem (oaddr + 0x40, 32)) | |
5288 | return -1; | |
5289 | break; | |
5290 | ||
5291 | case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */ | |
5292 | if (record_full_arch_list_add_mem (oaddr + 0x50, 32)) | |
5293 | return -1; | |
5294 | break; | |
5295 | ||
5296 | case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */ | |
5297 | if (record_full_arch_list_add_mem (oaddr + 0x60, 32)) | |
5298 | return -1; | |
5299 | break; | |
5300 | ||
5301 | default: | |
5302 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n", | |
5303 | (int)tmp, paddress (gdbarch, addr)); | |
5304 | return -1; | |
5305 | } | |
5306 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5307 | return -1; | |
5308 | break; | |
5309 | ||
5310 | case 0xb92d: /* KMCTR - cipher message with counter [partial] */ | |
5311 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5312 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5313 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5314 | tmp &= 0x7f; | |
5315 | switch (tmp) | |
5316 | { | |
5317 | case 0x00: /* KMCTR-Query */ | |
5318 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5319 | return -1; | |
5320 | break; | |
5321 | ||
5322 | case 0x01: /* KMCTR-DEA */ | |
5323 | case 0x02: /* KMCTR-TDEA-128 */ | |
5324 | case 0x03: /* KMCTR-TDEA-192 */ | |
5325 | case 0x09: /* KMCTR-Encrypted-DEA */ | |
5326 | case 0x0a: /* KMCTR-Encrypted-TDEA-128 */ | |
5327 | case 0x0b: /* KMCTR-Encrypted-TDEA-192 */ | |
5328 | case 0x12: /* KMCTR-AES-128 */ | |
5329 | case 0x13: /* KMCTR-AES-192 */ | |
5330 | case 0x14: /* KMCTR-AES-256 */ | |
5331 | case 0x1a: /* KMCTR-Encrypted-AES-128 */ | |
5332 | case 0x1b: /* KMCTR-Encrypted-AES-192 */ | |
5333 | case 0x1c: /* KMCTR-Encrypted-AES-256 */ | |
5334 | break; | |
5335 | ||
5336 | default: | |
5337 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n", | |
5338 | (int)tmp, paddress (gdbarch, addr)); | |
5339 | return -1; | |
5340 | } | |
5341 | if (tmp != 0) | |
5342 | { | |
5343 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5344 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5345 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5346 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5347 | return -1; | |
5348 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5349 | return -1; | |
5350 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5351 | return -1; | |
5352 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5353 | return -1; | |
5354 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4])) | |
5355 | return -1; | |
5356 | } | |
5357 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5358 | return -1; | |
5359 | break; | |
5360 | ||
5361 | case 0xb92e: /* KM - cipher message [partial] */ | |
5362 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5363 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5364 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5365 | tmp &= 0x7f; | |
5366 | switch (tmp) | |
5367 | { | |
5368 | case 0x00: /* KM-Query */ | |
5369 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5370 | return -1; | |
5371 | break; | |
5372 | ||
5373 | case 0x01: /* KM-DEA */ | |
5374 | case 0x02: /* KM-TDEA-128 */ | |
5375 | case 0x03: /* KM-TDEA-192 */ | |
5376 | case 0x09: /* KM-Encrypted-DEA */ | |
5377 | case 0x0a: /* KM-Encrypted-TDEA-128 */ | |
5378 | case 0x0b: /* KM-Encrypted-TDEA-192 */ | |
5379 | case 0x12: /* KM-AES-128 */ | |
5380 | case 0x13: /* KM-AES-192 */ | |
5381 | case 0x14: /* KM-AES-256 */ | |
5382 | case 0x1a: /* KM-Encrypted-AES-128 */ | |
5383 | case 0x1b: /* KM-Encrypted-AES-192 */ | |
5384 | case 0x1c: /* KM-Encrypted-AES-256 */ | |
5385 | break; | |
5386 | ||
5387 | case 0x32: /* KM-XTS-AES-128 */ | |
5388 | if (record_full_arch_list_add_mem (oaddr + 0x10, 16)) | |
5389 | return -1; | |
5390 | break; | |
5391 | ||
5392 | case 0x34: /* KM-XTS-AES-256 */ | |
5393 | if (record_full_arch_list_add_mem (oaddr + 0x20, 16)) | |
5394 | return -1; | |
5395 | break; | |
5396 | ||
5397 | case 0x3a: /* KM-XTS-Encrypted-AES-128 */ | |
5398 | if (record_full_arch_list_add_mem (oaddr + 0x30, 16)) | |
5399 | return -1; | |
5400 | break; | |
5401 | ||
5402 | case 0x3c: /* KM-XTS-Encrypted-AES-256 */ | |
5403 | if (record_full_arch_list_add_mem (oaddr + 0x40, 16)) | |
5404 | return -1; | |
5405 | break; | |
5406 | ||
5407 | default: | |
5408 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n", | |
5409 | (int)tmp, paddress (gdbarch, addr)); | |
5410 | return -1; | |
5411 | } | |
5412 | if (tmp != 0) | |
5413 | { | |
5414 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5415 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5416 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5417 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5418 | return -1; | |
5419 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5420 | return -1; | |
5421 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5422 | return -1; | |
5423 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5424 | return -1; | |
5425 | } | |
5426 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5427 | return -1; | |
5428 | break; | |
5429 | ||
5430 | /* 0xb932-0xb93b undefined */ | |
5431 | ||
5432 | case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */ | |
5433 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5434 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5435 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5436 | tmp &= 0xff; | |
5437 | switch (tmp) | |
5438 | { | |
5439 | case 0x00: /* PPNO-Query */ | |
5440 | case 0x80: /* PPNO-Query */ | |
5441 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5442 | return -1; | |
5443 | break; | |
5444 | ||
5445 | case 0x03: /* PPNO-SHA-512-DRNG - generate */ | |
5446 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
5447 | return -1; | |
5448 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5449 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5450 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
5451 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5452 | return -1; | |
5453 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5454 | return -1; | |
5455 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5456 | return -1; | |
5457 | break; | |
5458 | ||
5459 | case 0x83: /* PPNO-SHA-512-DRNG - seed */ | |
5460 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
5461 | return -1; | |
5462 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5463 | return -1; | |
5464 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5465 | return -1; | |
5466 | break; | |
5467 | ||
5468 | default: | |
5469 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n", | |
5470 | (int)tmp, paddress (gdbarch, addr)); | |
5471 | return -1; | |
5472 | } | |
5473 | /* DXC may be written */ | |
5474 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5475 | return -1; | |
5476 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5477 | return -1; | |
5478 | break; | |
5479 | ||
5480 | /* 0xb93d undefined */ | |
5481 | ||
5482 | case 0xb93e: /* KIMD - compute intermediate message digest [partial] */ | |
5483 | case 0xb93f: /* KLMD - compute last message digest [partial] */ | |
5484 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5485 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5486 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5487 | tmp &= 0xff; | |
5488 | switch (tmp) | |
5489 | { | |
5490 | case 0x00: /* K*MD-Query */ | |
5491 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5492 | return -1; | |
5493 | break; | |
5494 | ||
5495 | case 0x01: /* K*MD-SHA-1 */ | |
5496 | if (record_full_arch_list_add_mem (oaddr, 20)) | |
5497 | return -1; | |
5498 | break; | |
5499 | ||
5500 | case 0x02: /* K*MD-SHA-256 */ | |
5501 | if (record_full_arch_list_add_mem (oaddr, 32)) | |
5502 | return -1; | |
5503 | break; | |
5504 | ||
5505 | case 0x03: /* K*MD-SHA-512 */ | |
5506 | if (record_full_arch_list_add_mem (oaddr, 64)) | |
5507 | return -1; | |
5508 | break; | |
5509 | ||
5510 | case 0x41: /* KIMD-GHASH */ | |
5511 | /* Only valid for KIMD. */ | |
5512 | if (insn[0] == 0xb93e) | |
5513 | { | |
5514 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5515 | return -1; | |
5516 | break; | |
5517 | } | |
5518 | /* For KLMD, fallthru. */ | |
5519 | default: | |
5520 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
5521 | (int)tmp, paddress (gdbarch, addr)); | |
5522 | return -1; | |
5523 | } | |
5524 | if (tmp != 0) | |
5525 | { | |
5526 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5527 | return -1; | |
5528 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5529 | return -1; | |
5530 | } | |
5531 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5532 | return -1; | |
5533 | break; | |
5534 | ||
5535 | /* 0xb940 undefined */ | |
5536 | /* 0xb944-0xb945 undefined */ | |
5537 | /* 0xb947-0xb948 undefined */ | |
5538 | /* 0xb94c-0xb950 undefined */ | |
5539 | /* 0xb954-0xb958 undefined */ | |
5540 | /* 0xb95c-0xb95f undefined */ | |
5541 | /* 0xb962-0xb971 undefined */ | |
5542 | /* 0xb974-0xb97f undefined */ | |
5543 | ||
5544 | case 0xb983: /* FLOGR - find leftmost one */ | |
5545 | /* 64-bit gpr pair destination + flags */ | |
5546 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5547 | return -1; | |
5548 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
5549 | return -1; | |
5550 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5551 | return -1; | |
5552 | break; | |
5553 | ||
5554 | /* 0xb98a privileged */ | |
5555 | /* 0xb98b-0xb98c undefined */ | |
5556 | ||
5557 | case 0xb98d: /* EPSW - extract psw */ | |
5558 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5559 | return -1; | |
5560 | if (inib[7]) | |
5561 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5562 | return -1; | |
5563 | break; | |
5564 | ||
5565 | /* 0xb98e-0xb98f privileged */ | |
5566 | ||
5567 | case 0xb990: /* TRTT - translate two to two [partial] */ | |
5568 | case 0xb991: /* TRTO - translate two to one [partial] */ | |
5569 | case 0xb992: /* TROT - translate one to two [partial] */ | |
5570 | case 0xb993: /* TROO - translate one to one [partial] */ | |
5571 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5572 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5573 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
5574 | /* tmp is source length, we want destination length. Adjust. */ | |
5575 | if (insn[0] == 0xb991) | |
5576 | tmp >>= 1; | |
5577 | if (insn[0] == 0xb992) | |
5578 | tmp <<= 1; | |
5579 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
5580 | return -1; | |
5581 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5582 | return -1; | |
5583 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5584 | return -1; | |
5585 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5586 | return -1; | |
5587 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5588 | return -1; | |
5589 | break; | |
5590 | ||
5591 | case 0xb996: /* MLR - multiply logical */ | |
5592 | case 0xb997: /* DLR - divide logical */ | |
5593 | /* 32-bit gpr pair destination */ | |
5594 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5595 | return -1; | |
5596 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5597 | return -1; | |
5598 | break; | |
5599 | ||
5600 | /* 0xb99a-0xb9af unsupported, privileged, or undefined */ | |
5601 | /* 0xb9b4-0xb9bc undefined */ | |
5602 | ||
5603 | case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */ | |
5604 | case 0xb9bf: /* TRTE - translate and test extended [partial] */ | |
5605 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5606 | return -1; | |
5607 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5608 | return -1; | |
5609 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5610 | return -1; | |
5611 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5612 | return -1; | |
5613 | break; | |
5614 | ||
5615 | /* 0xb9c0-0xb9c7 undefined */ | |
5616 | ||
5617 | case 0xb9c8: /* AHHHR - add high */ | |
5618 | case 0xb9c9: /* SHHHR - subtract high */ | |
5619 | case 0xb9ca: /* ALHHHR - add logical high */ | |
5620 | case 0xb9cb: /* SLHHHR - subtract logical high */ | |
5621 | case 0xb9d8: /* AHHLR - add high */ | |
5622 | case 0xb9d9: /* SHHLR - subtract high */ | |
5623 | case 0xb9da: /* ALHHLR - add logical high */ | |
5624 | case 0xb9db: /* SLHHLR - subtract logical high */ | |
5625 | /* 32-bit high gpr destination + flags */ | |
5626 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
5627 | return -1; | |
5628 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5629 | return -1; | |
5630 | break; | |
5631 | ||
5632 | /* 0xb9cc undefined */ | |
5633 | /* 0xb9ce undefined */ | |
5634 | /* 0xb9d0-0xb9d7 undefined */ | |
5635 | /* 0xb9dc undefined */ | |
5636 | /* 0xb9de undefined */ | |
5637 | ||
5638 | case 0xb9e0: /* LOCFHR - load high on condition */ | |
5639 | /* 32-bit high gpr destination */ | |
5640 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
5641 | return -1; | |
5642 | break; | |
5643 | ||
5644 | /* 0xb9e3 undefined */ | |
5645 | /* 0xb9e5 undefined */ | |
55efceab | 5646 | /* 0xb9ee-0xb9f1 undefined */ |
566c56c9 MK |
5647 | /* 0xb9f3 undefined */ |
5648 | /* 0xb9f5 undefined */ | |
55efceab AA |
5649 | /* 0xb9fc undefined */ |
5650 | /* 0xb9fe -0xb9ff undefined */ | |
566c56c9 MK |
5651 | |
5652 | default: | |
5653 | goto UNKNOWN_OP; | |
5654 | } | |
5655 | break; | |
5656 | ||
5657 | /* 0xb4-0xb5 undefined */ | |
5658 | /* 0xb6 privileged: STCTL - store control */ | |
5659 | /* 0xb7 privileged: LCTL - load control */ | |
5660 | /* 0xb8 undefined */ | |
5661 | ||
5662 | case 0xba: /* CS - compare and swap */ | |
5663 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5664 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5665 | return -1; | |
5666 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5667 | return -1; | |
5668 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5669 | return -1; | |
5670 | break; | |
5671 | ||
5672 | case 0xbb: /* CDS - compare double and swap */ | |
5673 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5674 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5675 | return -1; | |
5676 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5677 | return -1; | |
5678 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5679 | return -1; | |
5680 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5681 | return -1; | |
5682 | break; | |
5683 | ||
5684 | /* 0xbc undefined */ | |
5685 | ||
5686 | case 0xbe: /* STCM - store characters under mask */ | |
5687 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5688 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
5689 | return -1; | |
5690 | break; | |
5691 | ||
5692 | case 0xc0: | |
5693 | case 0xc2: | |
5694 | case 0xc4: | |
5695 | case 0xc6: | |
5696 | case 0xcc: | |
5697 | /* RIL-format instruction */ | |
5698 | switch (ibyte[0] << 4 | inib[3]) | |
5699 | { | |
5700 | case 0xc00: /* LARL - load address relative long */ | |
5701 | case 0xc05: /* BRASL - branch relative and save long */ | |
5702 | case 0xc09: /* IILF - insert immediate */ | |
5703 | case 0xc21: /* MSFI - multiply single immediate */ | |
5704 | case 0xc42: /* LLHRL - load logical halfword relative long */ | |
5705 | case 0xc45: /* LHRL - load halfword relative long */ | |
5706 | case 0xc4d: /* LRL - load relative long */ | |
5707 | /* 32-bit or native gpr destination */ | |
5708 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5709 | return -1; | |
5710 | break; | |
5711 | ||
5712 | case 0xc01: /* LGFI - load immediate */ | |
5713 | case 0xc0e: /* LLIHF - load logical immediate */ | |
5714 | case 0xc0f: /* LLILF - load logical immediate */ | |
5715 | case 0xc20: /* MSGFI - multiply single immediate */ | |
5716 | case 0xc44: /* LGHRL - load halfword relative long */ | |
5717 | case 0xc46: /* LLGHRL - load logical halfword relative long */ | |
5718 | case 0xc48: /* LGRL - load relative long */ | |
5719 | case 0xc4c: /* LGFRL - load relative long */ | |
5720 | case 0xc4e: /* LLGFRL - load logical relative long */ | |
5721 | /* 64-bit gpr destination */ | |
5722 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5723 | return -1; | |
5724 | break; | |
5725 | ||
5726 | /* 0xc02-0xc03 undefined */ | |
5727 | ||
5728 | case 0xc04: /* BRCL - branch relative on condition long */ | |
5729 | case 0xc62: /* PFDRL - prefetch data relative long */ | |
5730 | break; | |
5731 | ||
5732 | case 0xc06: /* XIHF - xor immediate */ | |
5733 | case 0xc0a: /* NIHF - and immediate */ | |
5734 | case 0xc0c: /* OIHF - or immediate */ | |
5735 | case 0xcc8: /* AIH - add immediate high */ | |
5736 | case 0xcca: /* ALSIH - add logical with signed immediate high */ | |
5737 | /* 32-bit high gpr destination + flags */ | |
5738 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5739 | return -1; | |
5740 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5741 | return -1; | |
5742 | break; | |
5743 | ||
5744 | case 0xc07: /* XILF - xor immediate */ | |
5745 | case 0xc0b: /* NILF - and immediate */ | |
5746 | case 0xc0d: /* OILF - or immediate */ | |
5747 | case 0xc25: /* SLFI - subtract logical immediate */ | |
5748 | case 0xc29: /* AFI - add immediate */ | |
5749 | case 0xc2b: /* ALFI - add logical immediate */ | |
5750 | /* 32-bit gpr destination + flags */ | |
5751 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5752 | return -1; | |
5753 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5754 | return -1; | |
5755 | break; | |
5756 | ||
5757 | case 0xc08: /* IIHF - insert immediate */ | |
5758 | case 0xcc6: /* BRCTH - branch relative on count high */ | |
5759 | case 0xccb: /* ALSIHN - add logical with signed immediate high */ | |
5760 | /* 32-bit high gpr destination */ | |
5761 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5762 | return -1; | |
5763 | break; | |
5764 | ||
5765 | /* 0xc22-0xc23 undefined */ | |
5766 | ||
5767 | case 0xc24: /* SLGFI - subtract logical immediate */ | |
5768 | case 0xc28: /* AGFI - add immediate */ | |
5769 | case 0xc2a: /* ALGFI - add logical immediate */ | |
5770 | /* 64-bit gpr destination + flags */ | |
5771 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5772 | return -1; | |
5773 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5774 | return -1; | |
5775 | break; | |
5776 | ||
5777 | /* 0xc26-0xc27 undefined */ | |
5778 | ||
5779 | case 0xc2c: /* CGFI - compare immediate */ | |
5780 | case 0xc2d: /* CFI - compare immediate */ | |
5781 | case 0xc2e: /* CLGFI - compare logical immediate */ | |
5782 | case 0xc2f: /* CLFI - compare logical immediate */ | |
5783 | case 0xc64: /* CGHRL - compare halfword relative long */ | |
5784 | case 0xc65: /* CHRL - compare halfword relative long */ | |
5785 | case 0xc66: /* CLGHRL - compare logical halfword relative long */ | |
5786 | case 0xc67: /* CLHRL - compare logical halfword relative long */ | |
5787 | case 0xc68: /* CGRL - compare relative long */ | |
5788 | case 0xc6a: /* CLGRL - compare logical relative long */ | |
5789 | case 0xc6c: /* CGFRL - compare relative long */ | |
5790 | case 0xc6d: /* CRL - compare relative long */ | |
5791 | case 0xc6e: /* CLGFRL - compare logical relative long */ | |
5792 | case 0xc6f: /* CLRL - compare logical relative long */ | |
5793 | case 0xccd: /* CIH - compare immediate high */ | |
5794 | case 0xccf: /* CLIH - compare logical immediate high */ | |
5795 | /* flags only */ | |
5796 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5797 | return -1; | |
5798 | break; | |
5799 | ||
5800 | /* 0xc40-0xc41 undefined */ | |
5801 | /* 0xc43 undefined */ | |
5802 | ||
5803 | case 0xc47: /* STHRL - store halfword relative long */ | |
5804 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5805 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
5806 | return -1; | |
5807 | break; | |
5808 | ||
5809 | /* 0xc49-0xc4a undefined */ | |
5810 | ||
5811 | case 0xc4b: /* STGRL - store relative long */ | |
5812 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5813 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5814 | return -1; | |
5815 | break; | |
5816 | ||
5817 | case 0xc4f: /* STRL - store relative long */ | |
5818 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5819 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5820 | return -1; | |
5821 | break; | |
5822 | ||
5823 | case 0xc60: /* EXRL - execute relative long */ | |
5824 | if (ex != -1) | |
5825 | { | |
5826 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
5827 | paddress (gdbarch, addr)); | |
5828 | return -1; | |
5829 | } | |
5830 | addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5831 | if (inib[2]) | |
5832 | { | |
5833 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
5834 | ex = tmp & 0xff; | |
5835 | } | |
5836 | else | |
5837 | { | |
5838 | ex = 0; | |
5839 | } | |
5840 | goto ex; | |
5841 | ||
5842 | /* 0xc61 undefined */ | |
5843 | /* 0xc63 undefined */ | |
5844 | /* 0xc69 undefined */ | |
5845 | /* 0xc6b undefined */ | |
5846 | /* 0xcc0-0xcc5 undefined */ | |
5847 | /* 0xcc7 undefined */ | |
5848 | /* 0xcc9 undefined */ | |
5849 | /* 0xccc undefined */ | |
5850 | /* 0xcce undefined */ | |
5851 | ||
5852 | default: | |
5853 | goto UNKNOWN_OP; | |
5854 | } | |
5855 | break; | |
5856 | ||
5857 | /* 0xc1 undefined */ | |
5858 | /* 0xc3 undefined */ | |
5859 | ||
5860 | case 0xc5: /* BPRP - branch prediction relative preload */ | |
5861 | case 0xc7: /* BPP - branch prediction preload */ | |
5862 | /* no visible effect */ | |
5863 | break; | |
5864 | ||
5865 | case 0xc8: | |
5866 | /* SSF-format instruction */ | |
5867 | switch (ibyte[0] << 4 | inib[3]) | |
5868 | { | |
5869 | /* 0xc80 unsupported */ | |
5870 | ||
5871 | case 0xc81: /* ECTG - extract cpu time */ | |
5872 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5873 | return -1; | |
5874 | if (s390_record_gpr_g (gdbarch, regcache, 0)) | |
5875 | return -1; | |
5876 | if (s390_record_gpr_g (gdbarch, regcache, 1)) | |
5877 | return -1; | |
5878 | break; | |
5879 | ||
5880 | case 0xc82: /* CSST - compare and swap and store */ | |
5881 | { | |
5882 | uint8_t fc, sc; | |
5883 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5884 | fc = tmp & 0xff; | |
5885 | sc = tmp >> 8 & 0xff; | |
5886 | ||
5887 | /* First and third operands. */ | |
5888 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5889 | switch (fc) | |
5890 | { | |
5891 | case 0x00: /* 32-bit */ | |
5892 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5893 | return -1; | |
5894 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5895 | return -1; | |
5896 | break; | |
5897 | ||
5898 | case 0x01: /* 64-bit */ | |
5899 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5900 | return -1; | |
5901 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5902 | return -1; | |
5903 | break; | |
5904 | ||
5905 | case 0x02: /* 128-bit */ | |
5906 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5907 | return -1; | |
5908 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5909 | return -1; | |
5910 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5911 | return -1; | |
5912 | break; | |
5913 | ||
5914 | default: | |
5915 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5916 | fc, paddress (gdbarch, addr)); | |
5917 | return -1; | |
5918 | } | |
5919 | ||
5920 | /* Second operand. */ | |
5921 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
5922 | if (sc > 4) | |
5923 | { | |
5924 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5925 | sc, paddress (gdbarch, addr)); | |
5926 | return -1; | |
5927 | } | |
5928 | ||
5929 | if (record_full_arch_list_add_mem (oaddr2, 1 << sc)) | |
5930 | return -1; | |
5931 | ||
5932 | /* Flags. */ | |
5933 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5934 | return -1; | |
5935 | } | |
5936 | break; | |
5937 | ||
5938 | /* 0xc83 undefined */ | |
5939 | ||
5940 | case 0xc84: /* LPD - load pair disjoint */ | |
5941 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5942 | return -1; | |
5943 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5944 | return -1; | |
5945 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5946 | return -1; | |
5947 | break; | |
5948 | ||
5949 | case 0xc85: /* LPDG - load pair disjoint */ | |
5950 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5951 | return -1; | |
5952 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5953 | return -1; | |
5954 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5955 | return -1; | |
5956 | break; | |
5957 | ||
5958 | /* 0xc86-0xc8f undefined */ | |
5959 | ||
5960 | default: | |
5961 | goto UNKNOWN_OP; | |
5962 | } | |
5963 | break; | |
5964 | ||
5965 | /* 0xc9-0xcb undefined */ | |
5966 | /* 0xcd-0xcf undefined */ | |
5967 | ||
5968 | case 0xd0: /* TRTR - translate and test reversed */ | |
5969 | case 0xdd: /* TRT - translate and test */ | |
5970 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
5971 | return -1; | |
5972 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) | |
5973 | return -1; | |
5974 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5975 | return -1; | |
5976 | break; | |
5977 | ||
5978 | case 0xd1: /* MVN - move numbers */ | |
5979 | case 0xd2: /* MVC - move */ | |
5980 | case 0xd3: /* MVZ - move zones */ | |
5981 | case 0xdc: /* TR - translate */ | |
5982 | case 0xe8: /* MVCIN - move inverse */ | |
5983 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5984 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5985 | return -1; | |
5986 | break; | |
5987 | ||
5988 | case 0xd4: /* NC - and */ | |
5989 | case 0xd6: /* OC - or*/ | |
5990 | case 0xd7: /* XC - xor */ | |
5991 | case 0xe2: /* UNPKU - unpack unicode */ | |
5992 | case 0xea: /* UNPKA - unpack ASCII */ | |
5993 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5994 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5995 | return -1; | |
5996 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5997 | return -1; | |
5998 | break; | |
5999 | ||
6000 | case 0xde: /* ED - edit */ | |
6001 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6002 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
6003 | return -1; | |
6004 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6005 | return -1; | |
6006 | /* DXC may be written */ | |
6007 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6008 | return -1; | |
6009 | break; | |
6010 | ||
6011 | case 0xdf: /* EDMK - edit and mark */ | |
6012 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6013 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
6014 | return -1; | |
6015 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
6016 | return -1; | |
6017 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6018 | return -1; | |
6019 | /* DXC may be written */ | |
6020 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6021 | return -1; | |
6022 | break; | |
6023 | ||
6024 | /* 0xd8 undefined */ | |
6025 | /* 0xd9 unsupported: MVCK - move with key */ | |
6026 | /* 0xda unsupported: MVCP - move to primary */ | |
6027 | /* 0xdb unsupported: MVCS - move to secondary */ | |
6028 | /* 0xe0 undefined */ | |
6029 | ||
6030 | case 0xe1: /* PKU - pack unicode */ | |
6031 | case 0xe9: /* PKA - pack ASCII */ | |
6032 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6033 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6034 | return -1; | |
6035 | break; | |
6036 | ||
6037 | case 0xe3: | |
55efceab | 6038 | case 0xe6: |
566c56c9 MK |
6039 | case 0xe7: |
6040 | case 0xeb: | |
6041 | case 0xed: | |
6042 | /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */ | |
6043 | switch (ibyte[0] << 8 | ibyte[5]) | |
6044 | { | |
6045 | /* 0xe300-0xe301 undefined */ | |
6046 | ||
6047 | case 0xe302: /* LTG - load and test */ | |
6048 | case 0xe308: /* AG - add */ | |
6049 | case 0xe309: /* SG - subtract */ | |
6050 | case 0xe30a: /* ALG - add logical */ | |
6051 | case 0xe30b: /* SLG - subtract logical */ | |
6052 | case 0xe318: /* AGF - add */ | |
6053 | case 0xe319: /* SGF - subtract */ | |
6054 | case 0xe31a: /* ALGF - add logical */ | |
6055 | case 0xe31b: /* SLGF - subtract logical */ | |
6056 | case 0xe332: /* LTGF - load and test */ | |
6057 | case 0xe380: /* NG - and */ | |
6058 | case 0xe381: /* OG - or */ | |
6059 | case 0xe382: /* XG - xor */ | |
6060 | case 0xe388: /* ALCG - add logical with carry */ | |
6061 | case 0xe389: /* SLBG - subtract logical with borrow */ | |
6062 | case 0xeb0a: /* SRAG - shift right single */ | |
6063 | case 0xeb0b: /* SLAG - shift left single */ | |
6064 | /* 64-bit gpr destination + flags */ | |
6065 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6066 | return -1; | |
6067 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6068 | return -1; | |
6069 | break; | |
6070 | ||
6071 | /* 0xe303 privileged */ | |
6072 | ||
6073 | case 0xe304: /* LG - load */ | |
6074 | case 0xe30c: /* MSG - multiply single */ | |
6075 | case 0xe30f: /* LRVG - load reversed */ | |
6076 | case 0xe314: /* LGF - load */ | |
6077 | case 0xe315: /* LGH - load halfword */ | |
6078 | case 0xe316: /* LLGF - load logical */ | |
6079 | case 0xe317: /* LLGT - load logical thirty one bits */ | |
6080 | case 0xe31c: /* MSGF - multiply single */ | |
6081 | case 0xe32a: /* LZRG - load and zero rightmost byte */ | |
6082 | case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */ | |
55efceab | 6083 | case 0xe33c: /* MGH - multiply halfword 64x16mem -> 64 */ |
566c56c9 MK |
6084 | case 0xe346: /* BCTG - branch on count */ |
6085 | case 0xe377: /* LGB - load byte */ | |
6086 | case 0xe390: /* LLGC - load logical character */ | |
6087 | case 0xe391: /* LLGH - load logical halfword */ | |
6088 | case 0xeb0c: /* SRLG - shift right single logical */ | |
6089 | case 0xeb0d: /* SLLG - shift left single logical */ | |
6090 | case 0xeb1c: /* RLLG - rotate left single logical */ | |
6091 | case 0xeb44: /* BXHG - branch on index high */ | |
6092 | case 0xeb45: /* BXLEG - branch on index low or equal */ | |
6093 | case 0xeb4c: /* ECAG - extract cpu attribute */ | |
6094 | case 0xebe2: /* LOCG - load on condition */ | |
6095 | /* 64-bit gpr destination */ | |
6096 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6097 | return -1; | |
6098 | break; | |
6099 | ||
6100 | /* 0xe305 undefined */ | |
6101 | ||
6102 | case 0xe306: /* CVBY - convert to binary */ | |
6103 | /* 32-bit or native gpr destination + FPC (DXC write) */ | |
6104 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6105 | return -1; | |
6106 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6107 | return -1; | |
6108 | break; | |
6109 | ||
6110 | /* 0xe307 undefined */ | |
6111 | ||
6112 | case 0xe30d: /* DSG - divide single */ | |
6113 | case 0xe31d: /* DSGF - divide single */ | |
55efceab | 6114 | case 0xe384: /* MG - multiply 64x64mem -> 128 */ |
566c56c9 MK |
6115 | case 0xe386: /* MLG - multiply logical */ |
6116 | case 0xe387: /* DLG - divide logical */ | |
6117 | case 0xe38f: /* LPQ - load pair from quadword */ | |
6118 | /* 64-bit gpr pair destination */ | |
6119 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6120 | return -1; | |
6121 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
6122 | return -1; | |
6123 | break; | |
6124 | ||
6125 | case 0xe30e: /* CVBG - convert to binary */ | |
6126 | /* 64-bit gpr destination + FPC (DXC write) */ | |
6127 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6128 | return -1; | |
6129 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6130 | return -1; | |
6131 | break; | |
6132 | ||
6133 | /* 0xe310-0xe311 undefined */ | |
6134 | ||
6135 | case 0xe312: /* LT - load and test */ | |
55efceab AA |
6136 | case 0xe338: /* AGH - add halfword to 64 bit value */ |
6137 | case 0xe339: /* SGH - subtract halfword from 64 bit value */ | |
6138 | case 0xe353: /* MSC - multiply single 32x32mem -> 32 */ | |
566c56c9 MK |
6139 | case 0xe354: /* NY - and */ |
6140 | case 0xe356: /* OY - or */ | |
6141 | case 0xe357: /* XY - xor */ | |
6142 | case 0xe35a: /* AY - add */ | |
6143 | case 0xe35b: /* SY - subtract */ | |
6144 | case 0xe35e: /* ALY - add logical */ | |
6145 | case 0xe35f: /* SLY - subtract logical */ | |
6146 | case 0xe37a: /* AHY - add halfword */ | |
6147 | case 0xe37b: /* SHY - subtract halfword */ | |
55efceab | 6148 | case 0xe383: /* MSGC - multiply single 64x64mem -> 64 */ |
566c56c9 MK |
6149 | case 0xe398: /* ALC - add logical with carry */ |
6150 | case 0xe399: /* SLB - subtract logical with borrow */ | |
6151 | case 0xe727: /* LCBB - load count to block bounduary */ | |
6152 | case 0xeb81: /* ICMY - insert characters under mask */ | |
6153 | case 0xebdc: /* SRAK - shift left single */ | |
6154 | case 0xebdd: /* SLAK - shift left single */ | |
55efceab | 6155 | /* 32/64-bit gpr destination + flags */ |
566c56c9 MK |
6156 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
6157 | return -1; | |
6158 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6159 | return -1; | |
6160 | break; | |
6161 | ||
6162 | /* 0xe313 privileged */ | |
6163 | ||
6164 | case 0xe31e: /* LRV - load reversed */ | |
6165 | case 0xe31f: /* LRVH - load reversed */ | |
6166 | case 0xe33b: /* LZRF - load and zero rightmost byte */ | |
6167 | case 0xe351: /* MSY - multiply single */ | |
6168 | case 0xe358: /* LY - load */ | |
6169 | case 0xe371: /* LAY - load address */ | |
6170 | case 0xe373: /* ICY - insert character */ | |
6171 | case 0xe376: /* LB - load byte */ | |
6172 | case 0xe378: /* LHY - load */ | |
6173 | case 0xe37c: /* MHY - multiply halfword */ | |
6174 | case 0xe394: /* LLC - load logical character */ | |
6175 | case 0xe395: /* LLH - load logical halfword */ | |
6176 | case 0xeb1d: /* RLL - rotate left single logical */ | |
6177 | case 0xebde: /* SRLK - shift left single logical */ | |
6178 | case 0xebdf: /* SLLK - shift left single logical */ | |
6179 | case 0xebf2: /* LOC - load on condition */ | |
6180 | /* 32-bit or native gpr destination */ | |
6181 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6182 | return -1; | |
6183 | break; | |
6184 | ||
6185 | case 0xe320: /* CG - compare */ | |
6186 | case 0xe321: /* CLG - compare logical */ | |
6187 | case 0xe330: /* CGF - compare */ | |
6188 | case 0xe331: /* CLGF - compare logical */ | |
6189 | case 0xe334: /* CGH - compare halfword */ | |
6190 | case 0xe355: /* CLY - compare logical */ | |
6191 | case 0xe359: /* CY - compare */ | |
6192 | case 0xe379: /* CHY - compare halfword */ | |
6193 | case 0xe3cd: /* CHF - compare high */ | |
6194 | case 0xe3cf: /* CLHF - compare logical high */ | |
6195 | case 0xeb20: /* CLMH - compare logical under mask high */ | |
6196 | case 0xeb21: /* CLMY - compare logical under mask */ | |
6197 | case 0xeb51: /* TMY - test under mask */ | |
6198 | case 0xeb55: /* CLIY - compare logical */ | |
6199 | case 0xebc0: /* TP - test decimal */ | |
6200 | case 0xed10: /* TCEB - test data class */ | |
6201 | case 0xed11: /* TCDB - test data class */ | |
6202 | case 0xed12: /* TCXB - test data class */ | |
6203 | case 0xed50: /* TDCET - test data class */ | |
6204 | case 0xed51: /* TDGET - test data group */ | |
6205 | case 0xed54: /* TDCDT - test data class */ | |
6206 | case 0xed55: /* TDGDT - test data group */ | |
6207 | case 0xed58: /* TDCXT - test data class */ | |
6208 | case 0xed59: /* TDGXT - test data group */ | |
6209 | /* flags only */ | |
6210 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6211 | return -1; | |
6212 | break; | |
6213 | ||
6214 | /* 0xe322-0xe323 undefined */ | |
6215 | ||
6216 | case 0xe324: /* STG - store */ | |
6217 | case 0xe325: /* NTSTG - nontransactional store */ | |
6218 | case 0xe326: /* CVDY - convert to decimal */ | |
6219 | case 0xe32f: /* STRVG - store reversed */ | |
6220 | case 0xebe3: /* STOCG - store on condition */ | |
6221 | case 0xed67: /* STDY - store */ | |
6222 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6223 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6224 | return -1; | |
6225 | break; | |
6226 | ||
6227 | /* 0xe327-0xe329 undefined */ | |
6228 | /* 0xe32b-0xe32d undefined */ | |
6229 | ||
6230 | case 0xe32e: /* CVDG - convert to decimal */ | |
6231 | case 0xe38e: /* STPQ - store pair to quadword */ | |
6232 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6233 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6234 | return -1; | |
6235 | break; | |
6236 | ||
6237 | /* 0xe333 undefined */ | |
6238 | /* 0xe335 undefined */ | |
6239 | ||
6240 | case 0xe336: /* PFD - prefetch data */ | |
6241 | break; | |
6242 | ||
55efceab | 6243 | /* 0xe337 undefined */ |
566c56c9 MK |
6244 | /* 0xe33c-0xe33d undefined */ |
6245 | ||
6246 | case 0xe33e: /* STRV - store reversed */ | |
6247 | case 0xe350: /* STY - store */ | |
6248 | case 0xe3cb: /* STFH - store high */ | |
6249 | case 0xebe1: /* STOCFH - store high on condition */ | |
6250 | case 0xebf3: /* STOC - store on condition */ | |
6251 | case 0xed66: /* STEY - store */ | |
6252 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6253 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6254 | return -1; | |
6255 | break; | |
6256 | ||
6257 | case 0xe33f: /* STRVH - store reversed */ | |
6258 | case 0xe370: /* STHY - store halfword */ | |
6259 | case 0xe3c7: /* STHH - store halfword high */ | |
6260 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6261 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6262 | return -1; | |
6263 | break; | |
6264 | ||
6265 | /* 0xe340-0xe345 undefined */ | |
55efceab AA |
6266 | |
6267 | case 0xe347: /* BIC - branch indirect on condition */ | |
6268 | break; | |
6269 | ||
6270 | /* 0xe348-0xe34f undefined */ | |
6271 | /* 0xe352 undefined */ | |
566c56c9 MK |
6272 | |
6273 | case 0xe35c: /* MFY - multiply */ | |
6274 | case 0xe396: /* ML - multiply logical */ | |
6275 | case 0xe397: /* DL - divide logical */ | |
6276 | /* 32-bit gpr pair destination */ | |
6277 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6278 | return -1; | |
6279 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6280 | return -1; | |
6281 | break; | |
6282 | ||
6283 | /* 0xe35d undefined */ | |
6284 | /* 0xe360-0xe36f undefined */ | |
6285 | ||
6286 | case 0xe372: /* STCY - store character */ | |
6287 | case 0xe3c3: /* STCH - store character high */ | |
6288 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6289 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6290 | return -1; | |
6291 | break; | |
6292 | ||
6293 | /* 0xe374 undefined */ | |
6294 | ||
6295 | case 0xe375: /* LAEY - load address extended */ | |
6296 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6297 | return -1; | |
6298 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
6299 | return -1; | |
6300 | break; | |
6301 | ||
6302 | /* 0xe37d-0xe37f undefined */ | |
566c56c9 MK |
6303 | |
6304 | case 0xe385: /* LGAT - load and trap */ | |
6305 | case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */ | |
6306 | case 0xe39d: /* LLGFAT - load logical and trap */ | |
55efceab AA |
6307 | case 0xe650: /* VCVB - vector convert to binary 32 bit*/ |
6308 | case 0xe652: /* VCVBG - vector convert to binary 64 bit*/ | |
566c56c9 MK |
6309 | case 0xe721: /* VLGV - vector load gr from vr element */ |
6310 | /* 64-bit gpr destination + fpc for possible DXC write */ | |
6311 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6312 | return -1; | |
6313 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6314 | return -1; | |
6315 | break; | |
6316 | ||
6317 | /* 0xe38a-0xe38d undefined */ | |
6318 | /* 0xe392-0xe393 undefined */ | |
6319 | /* 0xe39a-0xe39b undefined */ | |
6320 | /* 0xe39e undefined */ | |
6321 | ||
6322 | case 0xe39f: /* LAT - load and trap */ | |
6323 | /* 32-bit gpr destination + fpc for possible DXC write */ | |
6324 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6325 | return -1; | |
6326 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6327 | return -1; | |
6328 | break; | |
6329 | ||
6330 | /* 0xe3a0-0xe3bf undefined */ | |
6331 | ||
6332 | case 0xe3c0: /* LBH - load byte high */ | |
6333 | case 0xe3c2: /* LLCH - load logical character high */ | |
6334 | case 0xe3c4: /* LHH - load halfword high */ | |
6335 | case 0xe3c6: /* LLHH - load logical halfword high */ | |
6336 | case 0xe3ca: /* LFH - load high */ | |
6337 | case 0xebe0: /* LOCFH - load high on condition */ | |
6338 | /* 32-bit high gpr destination */ | |
6339 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6340 | return -1; | |
6341 | break; | |
6342 | ||
6343 | /* 0xe3c1 undefined */ | |
6344 | /* 0xe3c5 undefined */ | |
6345 | ||
6346 | case 0xe3c8: /* LFHAT - load high and trap */ | |
6347 | /* 32-bit high gpr destination + fpc for possible DXC write */ | |
6348 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6349 | return -1; | |
6350 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6351 | return -1; | |
6352 | break; | |
6353 | ||
6354 | /* 0xe3c9 undefined */ | |
6355 | /* 0xe3cc undefined */ | |
6356 | /* 0xe3ce undefined */ | |
6357 | /* 0xe3d0-0xe3ff undefined */ | |
6358 | ||
55efceab AA |
6359 | case 0xe634: /* VPKZ - vector pack zoned */ |
6360 | case 0xe635: /* VLRL - vector load rightmost with immed. length */ | |
6361 | case 0xe637: /* VLRLR - vector load rightmost with length */ | |
6362 | case 0xe649: /* VLIP - vector load immediate decimal */ | |
566c56c9 MK |
6363 | case 0xe700: /* VLEB - vector load element */ |
6364 | case 0xe701: /* VLEH - vector load element */ | |
6365 | case 0xe702: /* VLEG - vector load element */ | |
6366 | case 0xe703: /* VLEF - vector load element */ | |
6367 | case 0xe704: /* VLLEZ - vector load logical element and zero */ | |
6368 | case 0xe705: /* VLREP - vector load and replicate */ | |
6369 | case 0xe706: /* VL - vector load */ | |
6370 | case 0xe707: /* VLBB - vector load to block bounduary */ | |
6371 | case 0xe712: /* VGEG - vector gather element */ | |
6372 | case 0xe713: /* VGEF - vector gather element */ | |
6373 | case 0xe722: /* VLVG - vector load vr element from gr */ | |
6374 | case 0xe730: /* VESL - vector element shift left */ | |
6375 | case 0xe733: /* VERLL - vector element rotate left logical */ | |
6376 | case 0xe737: /* VLL - vector load with length */ | |
6377 | case 0xe738: /* VESRL - vector element shift right logical */ | |
6378 | case 0xe73a: /* VESRA - vector element shift right arithmetic */ | |
6379 | case 0xe740: /* VLEIB - vector load element immediate */ | |
6380 | case 0xe741: /* VLEIH - vector load element immediate */ | |
6381 | case 0xe742: /* VLEIG - vector load element immediate */ | |
6382 | case 0xe743: /* VLEIF - vector load element immediate */ | |
6383 | case 0xe744: /* VGBM - vector generate byte mask */ | |
6384 | case 0xe745: /* VREPI - vector replicate immediate */ | |
6385 | case 0xe746: /* VGM - vector generate mask */ | |
6386 | case 0xe74d: /* VREP - vector replicate */ | |
6387 | case 0xe750: /* VPOPCT - vector population count */ | |
6388 | case 0xe752: /* VCTZ - vector count trailing zeros */ | |
6389 | case 0xe753: /* VCLZ - vector count leading zeros */ | |
6390 | case 0xe756: /* VLR - vector load */ | |
6391 | case 0xe75f: /* VSEG -vector sign extend to doubleword */ | |
6392 | case 0xe760: /* VMRL - vector merge low */ | |
6393 | case 0xe761: /* VMRH - vector merge high */ | |
6394 | case 0xe762: /* VLVGP - vector load vr from grs disjoint */ | |
6395 | case 0xe764: /* VSUM - vector sum across word */ | |
6396 | case 0xe765: /* VSUMG - vector sum across doubleword */ | |
6397 | case 0xe766: /* VCKSM - vector checksum */ | |
6398 | case 0xe767: /* VSUMQ - vector sum across quadword */ | |
6399 | case 0xe768: /* VN - vector and */ | |
6400 | case 0xe769: /* VNC - vector and with complement */ | |
6401 | case 0xe76a: /* VO - vector or */ | |
6402 | case 0xe76b: /* VNO - vector nor */ | |
55efceab | 6403 | case 0xe76c: /* VNX - vector not exclusive or */ |
566c56c9 | 6404 | case 0xe76d: /* VX - vector xor */ |
55efceab AA |
6405 | case 0xe76e: /* VNN - vector nand */ |
6406 | case 0xe76f: /* VOC - vector or with complement */ | |
566c56c9 MK |
6407 | case 0xe770: /* VESLV - vector element shift left */ |
6408 | case 0xe772: /* VERIM - vector element rotate and insert under mask */ | |
6409 | case 0xe773: /* VERLLV - vector element rotate left logical */ | |
6410 | case 0xe774: /* VSL - vector shift left */ | |
6411 | case 0xe775: /* VSLB - vector shift left by byte */ | |
6412 | case 0xe777: /* VSLDB - vector shift left double by byte */ | |
6413 | case 0xe778: /* VESRLV - vector element shift right logical */ | |
6414 | case 0xe77a: /* VESRAV - vector element shift right arithmetic */ | |
6415 | case 0xe77c: /* VSRL - vector shift right logical */ | |
6416 | case 0xe77d: /* VSRLB - vector shift right logical by byte */ | |
6417 | case 0xe77e: /* VSRA - vector shift right arithmetic */ | |
6418 | case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */ | |
6419 | case 0xe784: /* VPDI - vector permute doubleword immediate */ | |
55efceab | 6420 | case 0xe785: /* VBPERM - vector bit permute */ |
566c56c9 MK |
6421 | case 0xe78c: /* VPERM - vector permute */ |
6422 | case 0xe78d: /* VSEL - vector select */ | |
6423 | case 0xe78e: /* VFMS - vector fp multiply and subtract */ | |
6424 | case 0xe78f: /* VFMA - vector fp multiply and add */ | |
6425 | case 0xe794: /* VPK - vector pack */ | |
55efceab AA |
6426 | case 0xe79e: /* VFNMS - vector fp negative multiply and subtract */ |
6427 | case 0xe79f: /* VFNMA - vector fp negative multiply and add */ | |
566c56c9 MK |
6428 | case 0xe7a1: /* VMLH - vector multiply logical high */ |
6429 | case 0xe7a2: /* VML - vector multiply low */ | |
6430 | case 0xe7a3: /* VMH - vector multiply high */ | |
6431 | case 0xe7a4: /* VMLE - vector multiply logical even */ | |
6432 | case 0xe7a5: /* VMLO - vector multiply logical odd */ | |
6433 | case 0xe7a6: /* VME - vector multiply even */ | |
6434 | case 0xe7a7: /* VMO - vector multiply odd */ | |
6435 | case 0xe7a9: /* VMALH - vector multiply and add logical high */ | |
6436 | case 0xe7aa: /* VMAL - vector multiply and add low */ | |
6437 | case 0xe7ab: /* VMAH - vector multiply and add high */ | |
6438 | case 0xe7ac: /* VMALE - vector multiply and add logical even */ | |
6439 | case 0xe7ad: /* VMALO - vector multiply and add logical odd */ | |
6440 | case 0xe7ae: /* VMAE - vector multiply and add even */ | |
6441 | case 0xe7af: /* VMAO - vector multiply and add odd */ | |
6442 | case 0xe7b4: /* VGFM - vector Galois field multiply sum */ | |
55efceab | 6443 | case 0xe7b8: /* VMSL - vector multiply sum logical */ |
566c56c9 MK |
6444 | case 0xe7b9: /* VACCC - vector add with carry compute carry */ |
6445 | case 0xe7bb: /* VAC - vector add with carry */ | |
6446 | case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */ | |
6447 | case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */ | |
6448 | case 0xe7bf: /* VSBI - vector subtract with borrow indication */ | |
6449 | case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */ | |
6450 | case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */ | |
6451 | case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */ | |
6452 | case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */ | |
55efceab AA |
6453 | case 0xe7c4: /* VLDE/VFLL - vector fp load lengthened */ |
6454 | case 0xe7c5: /* VLED/VFLR - vector fp load rounded */ | |
566c56c9 MK |
6455 | case 0xe7c7: /* VFI - vector load fp integer */ |
6456 | case 0xe7cc: /* VFPSO - vector fp perform sign operation */ | |
6457 | case 0xe7ce: /* VFSQ - vector fp square root */ | |
6458 | case 0xe7d4: /* VUPLL - vector unpack logical low */ | |
6459 | case 0xe7d6: /* VUPL - vector unpack low */ | |
6460 | case 0xe7d5: /* VUPLH - vector unpack logical high */ | |
6461 | case 0xe7d7: /* VUPH - vector unpack high */ | |
6462 | case 0xe7de: /* VLC - vector load complement */ | |
6463 | case 0xe7df: /* VLP - vector load positive */ | |
6464 | case 0xe7e2: /* VFA - vector fp subtract */ | |
6465 | case 0xe7e3: /* VFA - vector fp add */ | |
6466 | case 0xe7e5: /* VFD - vector fp divide */ | |
6467 | case 0xe7e7: /* VFM - vector fp multiply */ | |
55efceab AA |
6468 | case 0xe7ee: /* VFMIN - vector fp minimum */ |
6469 | case 0xe7ef: /* VFMAX - vector fp maximum */ | |
566c56c9 MK |
6470 | case 0xe7f0: /* VAVGL - vector average logical */ |
6471 | case 0xe7f1: /* VACC - vector add and compute carry */ | |
6472 | case 0xe7f2: /* VAVG - vector average */ | |
6473 | case 0xe7f3: /* VA - vector add */ | |
6474 | case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */ | |
6475 | case 0xe7f7: /* VS - vector subtract */ | |
6476 | case 0xe7fc: /* VMNL - vector minimum logical */ | |
6477 | case 0xe7fd: /* VMXL - vector maximum logical */ | |
6478 | case 0xe7fe: /* VMN - vector minimum */ | |
6479 | case 0xe7ff: /* VMX - vector maximum */ | |
6480 | /* vector destination + FPC */ | |
6481 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
6482 | return -1; | |
6483 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6484 | return -1; | |
6485 | break; | |
6486 | ||
55efceab AA |
6487 | case 0xe63d: /* VSTRL - vector store rightmost with immed. length */ |
6488 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6489 | if (record_full_arch_list_add_mem (oaddr, inib[3] + 1)) | |
6490 | return -1; | |
6491 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6492 | return -1; | |
6493 | break; | |
6494 | ||
566c56c9 MK |
6495 | case 0xe708: /* VSTEB - vector store element */ |
6496 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6497 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6498 | return -1; | |
6499 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6500 | return -1; | |
6501 | break; | |
6502 | ||
6503 | case 0xe709: /* VSTEH - vector store element */ | |
6504 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6505 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6506 | return -1; | |
6507 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6508 | return -1; | |
6509 | break; | |
6510 | ||
6511 | case 0xe70a: /* VSTEG - vector store element */ | |
6512 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6513 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6514 | return -1; | |
6515 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6516 | return -1; | |
6517 | break; | |
6518 | ||
6519 | case 0xe70b: /* VSTEF - vector store element */ | |
6520 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6521 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6522 | return -1; | |
6523 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6524 | return -1; | |
6525 | break; | |
6526 | ||
6527 | /* 0xe70c-0xe70d undefined */ | |
6528 | ||
6529 | case 0xe70e: /* VST - vector store */ | |
6530 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6531 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6532 | return -1; | |
6533 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6534 | return -1; | |
6535 | break; | |
6536 | ||
6537 | /* 0xe70f-0xe711 undefined */ | |
6538 | /* 0xe714-0xe719 undefined */ | |
6539 | ||
6540 | case 0xe71a: /* VSCEG - vector scatter element */ | |
6541 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr)) | |
6542 | return -1; | |
6543 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6544 | return -1; | |
6545 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6546 | return -1; | |
6547 | break; | |
6548 | ||
6549 | case 0xe71b: /* VSCEF - vector scatter element */ | |
6550 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr)) | |
6551 | return -1; | |
6552 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6553 | return -1; | |
6554 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6555 | return -1; | |
6556 | break; | |
6557 | ||
6558 | /* 0xe71c-0xe720 undefined */ | |
6559 | /* 0xe723-0xe726 undefined */ | |
6560 | /* 0xe728-0xe72f undefined */ | |
6561 | /* 0xe731-0xe732 undefined */ | |
6562 | /* 0xe734-0xe735 undefined */ | |
6563 | ||
6564 | case 0xe736: /* VLM - vector load multiple */ | |
6565 | for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f) | |
6566 | if (s390_record_vr (gdbarch, regcache, i)) | |
6567 | return -1; | |
6568 | if (s390_record_vr (gdbarch, regcache, ivec[1])) | |
6569 | return -1; | |
6570 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6571 | return -1; | |
6572 | break; | |
6573 | ||
6574 | /* 0xe739 undefined */ | |
6575 | /* 0xe73b-0xe73d undefined */ | |
6576 | ||
6577 | case 0xe73e: /* VSTM - vector store multiple */ | |
6578 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6579 | if (ivec[0] <= ivec[1]) | |
6580 | n = ivec[1] - ivec[0] + 1; | |
6581 | else | |
6582 | n = ivec[1] + 0x20 - ivec[0] + 1; | |
6583 | if (record_full_arch_list_add_mem (oaddr, n * 16)) | |
6584 | return -1; | |
6585 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6586 | return -1; | |
6587 | break; | |
6588 | ||
55efceab AA |
6589 | case 0xe63c: /* VUPKZ - vector unpack zoned */ |
6590 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6591 | if (record_full_arch_list_add_mem (oaddr, (ibyte[1] + 1) & 31)) | |
6592 | return -1; | |
6593 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6594 | return -1; | |
6595 | break; | |
6596 | ||
6597 | case 0xe63f: /* VSTRLR - vector store rightmost with length */ | |
566c56c9 MK |
6598 | case 0xe73f: /* VSTL - vector store with length */ |
6599 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6600 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp); | |
6601 | tmp &= 0xffffffffu; | |
55efceab AA |
6602 | if (tmp > 15) |
6603 | tmp = 15; | |
6604 | if (record_full_arch_list_add_mem (oaddr, tmp + 1)) | |
566c56c9 MK |
6605 | return -1; |
6606 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6607 | return -1; | |
6608 | break; | |
6609 | ||
6610 | /* 0xe747-0xe749 undefined */ | |
6611 | ||
55efceab AA |
6612 | case 0xe658: /* VCVD - vector convert to decimal 32 bit */ |
6613 | case 0xe659: /* VSRP - vector shift and round decimal */ | |
6614 | case 0xe65a: /* VCVDG - vector convert to decimal 64 bit*/ | |
6615 | case 0xe65b: /* VPSOP - vector perform sign operation decimal */ | |
6616 | case 0xe671: /* VAP - vector add decimal */ | |
6617 | case 0xe673: /* VSP - vector subtract decimal */ | |
6618 | case 0xe678: /* VMP - vector multiply decimal */ | |
6619 | case 0xe679: /* VMSP - vector multiply decimal */ | |
6620 | case 0xe67a: /* VDP - vector divide decimal */ | |
6621 | case 0xe67b: /* VRP - vector remainder decimal */ | |
6622 | case 0xe67e: /* VSDP - vector shift and divide decimal */ | |
566c56c9 MK |
6623 | case 0xe74a: /* VFTCI - vector fp test data class immediate */ |
6624 | case 0xe75c: /* VISTR - vector isolate string */ | |
6625 | case 0xe780: /* VFEE - vector find element equal */ | |
6626 | case 0xe781: /* VFENE - vector find element not equal */ | |
6627 | case 0xe782: /* VFA - vector find any element equal */ | |
6628 | case 0xe78a: /* VSTRC - vector string range compare */ | |
6629 | case 0xe795: /* VPKLS - vector pack logical saturate */ | |
6630 | case 0xe797: /* VPKS - vector pack saturate */ | |
6631 | case 0xe7e8: /* VFCE - vector fp compare equal */ | |
6632 | case 0xe7ea: /* VFCHE - vector fp compare high or equal */ | |
55efceab | 6633 | case 0xe7eb: /* VFCH - vector fp compare high */ |
566c56c9 MK |
6634 | case 0xe7f8: /* VCEQ - vector compare equal */ |
6635 | case 0xe7f9: /* VCHL - vector compare high logical */ | |
6636 | case 0xe7fb: /* VCH - vector compare high */ | |
6637 | /* vector destination + flags + FPC */ | |
6638 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
6639 | return -1; | |
6640 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6641 | return -1; | |
6642 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6643 | return -1; | |
6644 | break; | |
6645 | ||
55efceab AA |
6646 | case 0xe65f: /* VTP - vector test decimal */ |
6647 | /* flags + FPC */ | |
6648 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6649 | return -1; | |
6650 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6651 | return -1; | |
6652 | break; | |
6653 | ||
566c56c9 MK |
6654 | /* 0xe74b-0xe74c undefined */ |
6655 | /* 0xe74e-0xe74f undefined */ | |
6656 | /* 0xe751 undefined */ | |
6657 | /* 0xe754-0xe755 undefined */ | |
6658 | /* 0xe757-0xe75b undefined */ | |
6659 | /* 0xe75d-0xe75e undefined */ | |
6660 | /* 0xe763 undefined */ | |
566c56c9 MK |
6661 | /* 0xe771 undefined */ |
6662 | /* 0xe776 undefined */ | |
6663 | /* 0xe779 undefined */ | |
6664 | /* 0xe77b undefined */ | |
6665 | /* 0xe783 undefined */ | |
55efceab | 6666 | /* 0xe786-0xe789 undefined */ |
566c56c9 MK |
6667 | /* 0xe78b undefined */ |
6668 | /* 0xe790-0xe793 undefined */ | |
6669 | /* 0xe796 undefined */ | |
55efceab AA |
6670 | /* 0xe798-0xe79d undefined */ |
6671 | /* 0xe7a0 undefined */ | |
6672 | /* 0xe7a8 undefined */ | |
566c56c9 | 6673 | /* 0xe7b0-0xe7b3 undefined */ |
55efceab | 6674 | /* 0xe7b5-0xe7b7 undefined */ |
566c56c9 MK |
6675 | /* 0xe7ba undefined */ |
6676 | /* 0xe7be undefined */ | |
6677 | /* 0xe7c6 undefined */ | |
6678 | /* 0xe7c8-0xe7c9 undefined */ | |
6679 | ||
55efceab | 6680 | case 0xe677: /* VCP - vector compare decimal */ |
566c56c9 MK |
6681 | case 0xe7ca: /* WFK - vector fp compare and signal scalar */ |
6682 | case 0xe7cb: /* WFC - vector fp compare scalar */ | |
6683 | case 0xe7d8: /* VTM - vector test under mask */ | |
6684 | case 0xe7d9: /* VECL - vector element compare logical */ | |
6685 | case 0xe7db: /* VEC - vector element compare */ | |
6686 | case 0xed08: /* KEB - compare and signal */ | |
6687 | case 0xed09: /* CEB - compare */ | |
6688 | case 0xed18: /* KDB - compare and signal */ | |
6689 | case 0xed19: /* CDB - compare */ | |
6690 | /* flags + fpc only */ | |
6691 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6692 | return -1; | |
6693 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6694 | return -1; | |
6695 | break; | |
6696 | ||
6697 | /* 0xe7cd undefined */ | |
6698 | /* 0xe7cf-0xe7d3 undefined */ | |
6699 | /* 0xe7da undefined */ | |
6700 | /* 0xe7dc-0xe7dd undefined */ | |
6701 | /* 0xe7e0-0xe7e1 undefined */ | |
6702 | /* 0xe7e4 undefined */ | |
6703 | /* 0xe7e6 undefined */ | |
6704 | /* 0xe7e9 undefined */ | |
55efceab | 6705 | /* 0xe7ec-0xe7ed undefined */ |
566c56c9 MK |
6706 | /* 0xe7f4 undefined */ |
6707 | /* 0xe7f6 undefined */ | |
6708 | /* 0xe7fa undefined */ | |
6709 | ||
6710 | /* 0xeb00-0xeb03 undefined */ | |
6711 | ||
6712 | case 0xeb04: /* LMG - load multiple */ | |
6713 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6714 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
6715 | return -1; | |
6716 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
6717 | return -1; | |
6718 | break; | |
6719 | ||
6720 | /* 0xeb05-0xeb09 undefined */ | |
6721 | /* 0xeb0e undefined */ | |
6722 | /* 0xeb0f privileged: TRACG */ | |
6723 | /* 0xeb10-0xeb13 undefined */ | |
6724 | ||
6725 | case 0xeb14: /* CSY - compare and swap */ | |
6726 | case 0xebf4: /* LAN - load and and */ | |
6727 | case 0xebf6: /* LAO - load and or */ | |
6728 | case 0xebf7: /* LAX - load and xor */ | |
6729 | case 0xebf8: /* LAA - load and add */ | |
6730 | case 0xebfa: /* LAAL - load and add logical */ | |
6731 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6732 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6733 | return -1; | |
6734 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6735 | return -1; | |
6736 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6737 | return -1; | |
6738 | break; | |
6739 | ||
6740 | /* 0xeb15-0xeb1b undefined */ | |
6741 | /* 0xeb1e-0xeb1f undefined */ | |
6742 | /* 0xeb22 undefined */ | |
6743 | ||
6744 | case 0xeb23: /* CLT - compare logical and trap */ | |
6745 | case 0xeb2b: /* CLGT - compare logical and trap */ | |
6746 | /* fpc only - including possible DXC write for trapping insns */ | |
6747 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6748 | return -1; | |
6749 | break; | |
6750 | ||
6751 | case 0xeb24: /* STMG - store multiple */ | |
6752 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6753 | if (inib[2] <= inib[3]) | |
6754 | n = inib[3] - inib[2] + 1; | |
6755 | else | |
6756 | n = inib[3] + 0x10 - inib[2] + 1; | |
6757 | if (record_full_arch_list_add_mem (oaddr, n * 8)) | |
6758 | return -1; | |
6759 | break; | |
6760 | ||
6761 | /* 0xeb25 privileged */ | |
6762 | ||
6763 | case 0xeb26: /* STMH - store multiple high */ | |
6764 | case 0xeb90: /* STMY - store multiple */ | |
6765 | case 0xeb9b: /* STAMY - store access multiple */ | |
6766 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6767 | if (inib[2] <= inib[3]) | |
6768 | n = inib[3] - inib[2] + 1; | |
6769 | else | |
6770 | n = inib[3] + 0x10 - inib[2] + 1; | |
6771 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
6772 | return -1; | |
6773 | break; | |
6774 | ||
6775 | /* 0xeb27-0xeb2a undefined */ | |
6776 | ||
6777 | case 0xeb2c: /* STCMH - store characters under mask */ | |
6778 | case 0xeb2d: /* STCMY - store characters under mask */ | |
6779 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6780 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
6781 | return -1; | |
6782 | break; | |
6783 | ||
6784 | /* 0xeb2e undefined */ | |
6785 | /* 0xeb2f privileged */ | |
6786 | ||
6787 | case 0xeb30: /* CSG - compare and swap */ | |
6788 | case 0xebe4: /* LANG - load and and */ | |
6789 | case 0xebe6: /* LAOG - load and or */ | |
6790 | case 0xebe7: /* LAXG - load and xor */ | |
6791 | case 0xebe8: /* LAAG - load and add */ | |
6792 | case 0xebea: /* LAALG - load and add logical */ | |
6793 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6794 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6795 | return -1; | |
6796 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6797 | return -1; | |
6798 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6799 | return -1; | |
6800 | break; | |
6801 | ||
6802 | case 0xeb31: /* CDSY - compare double and swap */ | |
6803 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6804 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6805 | return -1; | |
6806 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6807 | return -1; | |
6808 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6809 | return -1; | |
6810 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6811 | return -1; | |
6812 | break; | |
6813 | ||
6814 | /* 0xeb32-0xeb3d undefined */ | |
6815 | ||
6816 | case 0xeb3e: /* CDSG - compare double and swap */ | |
6817 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6818 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6819 | return -1; | |
6820 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6821 | return -1; | |
6822 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
6823 | return -1; | |
6824 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6825 | return -1; | |
6826 | break; | |
6827 | ||
6828 | /* 0xeb3f-0xeb43 undefined */ | |
6829 | /* 0xeb46-0xeb4b undefined */ | |
6830 | /* 0xeb4d-0xeb50 undefined */ | |
6831 | ||
6832 | case 0xeb52: /* MVIY - move */ | |
6833 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6834 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6835 | return -1; | |
6836 | break; | |
6837 | ||
6838 | case 0xeb54: /* NIY - and */ | |
6839 | case 0xeb56: /* OIY - or */ | |
6840 | case 0xeb57: /* XIY - xor */ | |
6841 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6842 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6843 | return -1; | |
6844 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6845 | return -1; | |
6846 | break; | |
6847 | ||
6848 | /* 0xeb53 undefined */ | |
6849 | /* 0xeb58-0xeb69 undefined */ | |
6850 | ||
6851 | case 0xeb6a: /* ASI - add immediate */ | |
6852 | case 0xeb6e: /* ALSI - add immediate */ | |
6853 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6854 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6855 | return -1; | |
6856 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6857 | return -1; | |
6858 | break; | |
6859 | ||
6860 | /* 0xeb6b-0xeb6d undefined */ | |
6861 | /* 0xeb6f-0xeb79 undefined */ | |
6862 | ||
6863 | case 0xeb7a: /* AGSI - add immediate */ | |
6864 | case 0xeb7e: /* ALGSI - add immediate */ | |
6865 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6866 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6867 | return -1; | |
6868 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6869 | return -1; | |
6870 | break; | |
6871 | ||
6872 | /* 0xeb7b-0xeb7d undefined */ | |
6873 | /* 0xeb7f undefined */ | |
6874 | ||
6875 | case 0xeb80: /* ICMH - insert characters under mask */ | |
6876 | /* 32-bit high gpr destination + flags */ | |
6877 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6878 | return -1; | |
6879 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6880 | return -1; | |
6881 | break; | |
6882 | ||
6883 | /* 0xeb82-0xeb8d undefined */ | |
6884 | ||
6885 | case 0xeb8e: /* MVCLU - move long unicode [partial] */ | |
6886 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
6887 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
6888 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
6889 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
6890 | return -1; | |
6891 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6892 | return -1; | |
6893 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6894 | return -1; | |
6895 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6896 | return -1; | |
6897 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
6898 | return -1; | |
6899 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6900 | return -1; | |
6901 | break; | |
6902 | ||
6903 | case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */ | |
6904 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6905 | return -1; | |
6906 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6907 | return -1; | |
6908 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6909 | return -1; | |
6910 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
6911 | return -1; | |
6912 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6913 | return -1; | |
6914 | break; | |
6915 | ||
6916 | /* 0xeb91-0xeb95 undefined */ | |
6917 | ||
6918 | case 0xeb96: /* LMH - load multiple high */ | |
6919 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6920 | if (s390_record_gpr_h (gdbarch, regcache, i)) | |
6921 | return -1; | |
6922 | if (s390_record_gpr_h (gdbarch, regcache, inib[3])) | |
6923 | return -1; | |
6924 | break; | |
6925 | ||
6926 | /* 0xeb97 undefined */ | |
6927 | ||
6928 | case 0xeb98: /* LMY - load multiple */ | |
6929 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6930 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
6931 | return -1; | |
6932 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6933 | return -1; | |
6934 | break; | |
6935 | ||
6936 | /* 0xeb99 undefined */ | |
6937 | ||
6938 | case 0xeb9a: /* LAMY - load access multiple */ | |
6939 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6940 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
6941 | return -1; | |
6942 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
6943 | return -1; | |
6944 | break; | |
6945 | ||
6946 | /* 0xeb9c-0xebbf undefined */ | |
6947 | /* 0xebc1-0xebdb undefined */ | |
6948 | /* 0xebe5 undefined */ | |
6949 | /* 0xebe9 undefined */ | |
6950 | /* 0xebeb-0xebf1 undefined */ | |
6951 | /* 0xebf5 undefined */ | |
6952 | /* 0xebf9 undefined */ | |
6953 | /* 0xebfb-0xebff undefined */ | |
6954 | ||
6955 | /* 0xed00-0xed03 undefined */ | |
6956 | ||
6957 | case 0xed04: /* LDEB - load lengthened */ | |
6958 | case 0xed0c: /* MDEB - multiply */ | |
6959 | case 0xed0d: /* DEB - divide */ | |
6960 | case 0xed14: /* SQEB - square root */ | |
6961 | case 0xed15: /* SQDB - square root */ | |
6962 | case 0xed17: /* MEEB - multiply */ | |
6963 | case 0xed1c: /* MDB - multiply */ | |
6964 | case 0xed1d: /* DDB - divide */ | |
6965 | /* float destination + fpc */ | |
6966 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6967 | return -1; | |
6968 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6969 | return -1; | |
6970 | break; | |
6971 | ||
6972 | case 0xed05: /* LXDB - load lengthened */ | |
6973 | case 0xed06: /* LXEB - load lengthened */ | |
6974 | case 0xed07: /* MXDB - multiply */ | |
6975 | /* float pair destination + fpc */ | |
6976 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6977 | return -1; | |
6978 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
6979 | return -1; | |
6980 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6981 | return -1; | |
6982 | break; | |
6983 | ||
6984 | case 0xed0a: /* AEB - add */ | |
6985 | case 0xed0b: /* SEB - subtract */ | |
6986 | case 0xed1a: /* ADB - add */ | |
6987 | case 0xed1b: /* SDB - subtract */ | |
6988 | /* float destination + flags + fpc */ | |
6989 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6990 | return -1; | |
6991 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6992 | return -1; | |
6993 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6994 | return -1; | |
6995 | break; | |
6996 | ||
6997 | case 0xed0e: /* MAEB - multiply and add */ | |
6998 | case 0xed0f: /* MSEB - multiply and subtract */ | |
6999 | case 0xed1e: /* MADB - multiply and add */ | |
7000 | case 0xed1f: /* MSDB - multiply and subtract */ | |
7001 | case 0xed40: /* SLDT - shift significand left */ | |
7002 | case 0xed41: /* SRDT - shift significand right */ | |
7003 | case 0xedaa: /* CDZT - convert from zoned */ | |
7004 | case 0xedae: /* CDPT - convert from packed */ | |
7005 | /* float destination [RXF] + fpc */ | |
7006 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
7007 | return -1; | |
7008 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7009 | return -1; | |
7010 | break; | |
7011 | ||
7012 | /* 0xed13 undefined */ | |
7013 | /* 0xed16 undefined */ | |
7014 | /* 0xed20-0xed23 undefined */ | |
7015 | ||
7016 | case 0xed24: /* LDE - load lengthened */ | |
7017 | case 0xed34: /* SQE - square root */ | |
7018 | case 0xed35: /* SQD - square root */ | |
7019 | case 0xed37: /* MEE - multiply */ | |
7020 | case 0xed64: /* LEY - load */ | |
7021 | case 0xed65: /* LDY - load */ | |
7022 | /* float destination */ | |
7023 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
7024 | return -1; | |
7025 | break; | |
7026 | ||
7027 | case 0xed25: /* LXD - load lengthened */ | |
7028 | case 0xed26: /* LXE - load lengthened */ | |
7029 | /* float pair destination */ | |
7030 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
7031 | return -1; | |
7032 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
7033 | return -1; | |
7034 | break; | |
7035 | ||
7036 | /* 0xed27-0xed2d undefined */ | |
7037 | ||
7038 | case 0xed2e: /* MAE - multiply and add */ | |
7039 | case 0xed2f: /* MSE - multiply and subtract */ | |
7040 | case 0xed38: /* MAYL - multiply and add unnormalized */ | |
7041 | case 0xed39: /* MYL - multiply unnormalized */ | |
7042 | case 0xed3c: /* MAYH - multiply and add unnormalized */ | |
7043 | case 0xed3d: /* MYH - multiply unnormalized */ | |
7044 | case 0xed3e: /* MAD - multiply and add */ | |
7045 | case 0xed3f: /* MSD - multiply and subtract */ | |
7046 | /* float destination [RXF] */ | |
7047 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
7048 | return -1; | |
7049 | break; | |
7050 | ||
7051 | /* 0xed30-0xed33 undefined */ | |
7052 | /* 0xed36 undefined */ | |
7053 | ||
7054 | case 0xed3a: /* MAY - multiply and add unnormalized */ | |
7055 | case 0xed3b: /* MY - multiply unnormalized */ | |
7056 | /* float pair destination [RXF] */ | |
7057 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
7058 | return -1; | |
7059 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
7060 | return -1; | |
7061 | break; | |
7062 | ||
7063 | /* 0xed42-0xed47 undefind */ | |
7064 | ||
7065 | case 0xed48: /* SLXT - shift significand left */ | |
7066 | case 0xed49: /* SRXT - shift significand right */ | |
7067 | case 0xedab: /* CXZT - convert from zoned */ | |
7068 | case 0xedaf: /* CXPT - convert from packed */ | |
7069 | /* float pair destination [RXF] + fpc */ | |
7070 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
7071 | return -1; | |
7072 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
7073 | return -1; | |
7074 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7075 | return -1; | |
7076 | break; | |
7077 | ||
7078 | /* 0xed4a-0xed4f undefind */ | |
7079 | /* 0xed52-0xed53 undefind */ | |
7080 | /* 0xed56-0xed57 undefind */ | |
7081 | /* 0xed5a-0xed63 undefind */ | |
7082 | /* 0xed68-0xeda7 undefined */ | |
7083 | ||
7084 | case 0xeda8: /* CZDT - convert to zoned */ | |
7085 | case 0xeda9: /* CZXT - convert to zoned */ | |
7086 | case 0xedac: /* CPDT - convert to packed */ | |
7087 | case 0xedad: /* CPXT - convert to packed */ | |
7088 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7089 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
7090 | return -1; | |
7091 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7092 | return -1; | |
7093 | break; | |
7094 | ||
7095 | /* 0xedb0-0xedff undefined */ | |
7096 | ||
7097 | default: | |
7098 | goto UNKNOWN_OP; | |
7099 | } | |
7100 | break; | |
7101 | ||
7102 | /* 0xe4 undefined */ | |
7103 | ||
7104 | case 0xe5: | |
7105 | /* SSE/SIL-format instruction */ | |
7106 | switch (insn[0]) | |
7107 | { | |
7108 | /* 0xe500-0xe543 undefined, privileged, or unsupported */ | |
7109 | ||
7110 | case 0xe544: /* MVHHI - move */ | |
7111 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7112 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
7113 | return -1; | |
7114 | break; | |
7115 | ||
7116 | /* 0xe545-0xe547 undefined */ | |
7117 | ||
7118 | case 0xe548: /* MVGHI - move */ | |
7119 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7120 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7121 | return -1; | |
7122 | break; | |
7123 | ||
7124 | /* 0xe549-0xe54b undefined */ | |
7125 | ||
7126 | case 0xe54c: /* MVHI - move */ | |
7127 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7128 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
7129 | return -1; | |
7130 | break; | |
7131 | ||
7132 | /* 0xe54d-0xe553 undefined */ | |
7133 | ||
7134 | case 0xe554: /* CHHSI - compare halfword immediate */ | |
7135 | case 0xe555: /* CLHHSI - compare logical immediate */ | |
7136 | case 0xe558: /* CGHSI - compare halfword immediate */ | |
7137 | case 0xe559: /* CLGHSI - compare logical immediate */ | |
7138 | case 0xe55c: /* CHSI - compare halfword immediate */ | |
7139 | case 0xe55d: /* CLFHSI - compare logical immediate */ | |
7140 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7141 | return -1; | |
7142 | break; | |
7143 | ||
7144 | /* 0xe556-0xe557 undefined */ | |
7145 | /* 0xe55a-0xe55b undefined */ | |
7146 | /* 0xe55e-0xe55f undefined */ | |
7147 | ||
7148 | case 0xe560: /* TBEGIN - transaction begin */ | |
7149 | /* The transaction will be immediately aborted after this | |
7150 | instruction, due to single-stepping. This instruction is | |
7151 | only supported so that the program can fail a few times | |
7152 | and go to the non-transactional fallback. */ | |
7153 | if (inib[4]) | |
7154 | { | |
7155 | /* Transaction diagnostic block - user. */ | |
7156 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7157 | if (record_full_arch_list_add_mem (oaddr, 256)) | |
7158 | return -1; | |
7159 | } | |
7160 | /* Transaction diagnostic block - supervisor. */ | |
7161 | if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM)) | |
7162 | return -1; | |
7163 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM)) | |
7164 | return -1; | |
7165 | if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM)) | |
7166 | return -1; | |
7167 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM)) | |
7168 | return -1; | |
7169 | for (i = 0; i < 16; i++) | |
7170 | if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i)) | |
7171 | return -1; | |
7172 | /* And flags. */ | |
7173 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7174 | return -1; | |
7175 | break; | |
7176 | ||
7177 | /* 0xe561 unsupported: TBEGINC */ | |
7178 | /* 0xe562-0xe5ff undefined */ | |
7179 | ||
7180 | default: | |
7181 | goto UNKNOWN_OP; | |
7182 | } | |
7183 | break; | |
7184 | ||
566c56c9 MK |
7185 | case 0xec: |
7186 | /* RIE/RIS/RRS-format instruction */ | |
7187 | switch (ibyte[0] << 8 | ibyte[5]) | |
7188 | { | |
7189 | /* 0xec00-0xec41 undefined */ | |
7190 | ||
7191 | case 0xec42: /* LOCHI - load halfword immediate on condition */ | |
7192 | case 0xec51: /* RISBLG - rotate then insert selected bits low */ | |
7193 | /* 32-bit or native gpr destination */ | |
7194 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7195 | return -1; | |
7196 | break; | |
7197 | ||
7198 | /* 0xec43 undefined */ | |
7199 | ||
7200 | case 0xec44: /* BRXHG - branch relative on index high */ | |
7201 | case 0xec45: /* BRXLG - branch relative on index low or equal */ | |
7202 | case 0xec46: /* LOCGHI - load halfword immediate on condition */ | |
7203 | case 0xec59: /* RISBGN - rotate then insert selected bits */ | |
7204 | /* 64-bit gpr destination */ | |
7205 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7206 | return -1; | |
7207 | break; | |
7208 | ||
7209 | /* 0xec47-0xec4d undefined */ | |
7210 | ||
7211 | case 0xec4e: /* LOCHHI - load halfword immediate on condition */ | |
7212 | case 0xec5d: /* RISBHG - rotate then insert selected bits high */ | |
7213 | /* 32-bit high gpr destination */ | |
7214 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
7215 | return -1; | |
7216 | break; | |
7217 | ||
7218 | /* 0xec4f-0xec50 undefined */ | |
7219 | /* 0xec52-0xec53 undefined */ | |
7220 | ||
7221 | case 0xec54: /* RNSBG - rotate then and selected bits */ | |
7222 | case 0xec55: /* RISBG - rotate then insert selected bits */ | |
7223 | case 0xec56: /* ROSBG - rotate then or selected bits */ | |
7224 | case 0xec57: /* RXSBG - rotate then xor selected bits */ | |
7225 | case 0xecd9: /* AGHIK - add immediate */ | |
7226 | case 0xecdb: /* ALGHSIK - add logical immediate */ | |
7227 | /* 64-bit gpr destination + flags */ | |
7228 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7229 | return -1; | |
7230 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7231 | return -1; | |
7232 | break; | |
7233 | ||
7234 | /* 0xec58 undefined */ | |
7235 | /* 0xec5a-0xec5c undefined */ | |
7236 | /* 0xec5e-0xec63 undefined */ | |
7237 | ||
7238 | case 0xec64: /* CGRJ - compare and branch relative */ | |
7239 | case 0xec65: /* CLGRJ - compare logical and branch relative */ | |
7240 | case 0xec76: /* CRJ - compare and branch relative */ | |
7241 | case 0xec77: /* CLRJ - compare logical and branch relative */ | |
7242 | case 0xec7c: /* CGIJ - compare immediate and branch relative */ | |
7243 | case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */ | |
7244 | case 0xec7e: /* CIJ - compare immediate and branch relative */ | |
7245 | case 0xec7f: /* CLIJ - compare logical immediate and branch relative */ | |
7246 | case 0xece4: /* CGRB - compare and branch */ | |
7247 | case 0xece5: /* CLGRB - compare logical and branch */ | |
7248 | case 0xecf6: /* CRB - compare and branch */ | |
7249 | case 0xecf7: /* CLRB - compare logical and branch */ | |
7250 | case 0xecfc: /* CGIB - compare immediate and branch */ | |
7251 | case 0xecfd: /* CLGIB - compare logical immediate and branch */ | |
7252 | case 0xecfe: /* CIB - compare immediate and branch */ | |
7253 | case 0xecff: /* CLIB - compare logical immediate and branch */ | |
7254 | break; | |
7255 | ||
7256 | /* 0xec66-0xec6f undefined */ | |
7257 | ||
7258 | case 0xec70: /* CGIT - compare immediate and trap */ | |
7259 | case 0xec71: /* CLGIT - compare logical immediate and trap */ | |
7260 | case 0xec72: /* CIT - compare immediate and trap */ | |
7261 | case 0xec73: /* CLFIT - compare logical immediate and trap */ | |
7262 | /* fpc only - including possible DXC write for trapping insns */ | |
7263 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7264 | return -1; | |
7265 | break; | |
7266 | ||
7267 | /* 0xec74-0xec75 undefined */ | |
7268 | /* 0xec78-0xec7b undefined */ | |
7269 | ||
7270 | /* 0xec80-0xecd7 undefined */ | |
7271 | ||
7272 | case 0xecd8: /* AHIK - add immediate */ | |
7273 | case 0xecda: /* ALHSIK - add logical immediate */ | |
7274 | /* 32-bit gpr destination + flags */ | |
7275 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7276 | return -1; | |
7277 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7278 | return -1; | |
7279 | break; | |
7280 | ||
7281 | /* 0xecdc-0xece3 undefined */ | |
7282 | /* 0xece6-0xecf5 undefined */ | |
7283 | /* 0xecf8-0xecfb undefined */ | |
7284 | ||
7285 | default: | |
7286 | goto UNKNOWN_OP; | |
7287 | } | |
7288 | break; | |
7289 | ||
7290 | case 0xee: /* PLO - perform locked operation */ | |
7291 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
7292 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7293 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
7294 | if (!(tmp & 0x100)) | |
7295 | { | |
7296 | uint8_t fc = tmp & 0xff; | |
7297 | gdb_byte buf[8]; | |
7298 | switch (fc) | |
7299 | { | |
7300 | case 0x00: /* CL */ | |
7301 | /* op1c */ | |
7302 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7303 | return -1; | |
7304 | /* op3 */ | |
7305 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
7306 | return -1; | |
7307 | break; | |
7308 | ||
7309 | case 0x01: /* CLG */ | |
7310 | /* op1c */ | |
7311 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
7312 | return -1; | |
7313 | /* op3 */ | |
7314 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
7315 | return -1; | |
7316 | break; | |
7317 | ||
7318 | case 0x02: /* CLGR */ | |
7319 | /* op1c */ | |
7320 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7321 | return -1; | |
7322 | /* op3 */ | |
7323 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7324 | return -1; | |
7325 | break; | |
7326 | ||
7327 | case 0x03: /* CLX */ | |
7328 | /* op1c */ | |
7329 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
7330 | return -1; | |
7331 | /* op3 */ | |
7332 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
7333 | return -1; | |
7334 | break; | |
7335 | ||
7336 | case 0x08: /* DCS */ | |
7337 | /* op3c */ | |
7338 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
7339 | return -1; | |
7340 | /* fallthru */ | |
7341 | case 0x0c: /* CSST */ | |
7342 | /* op4 */ | |
7343 | if (record_full_arch_list_add_mem (oaddr2, 4)) | |
7344 | return -1; | |
7345 | goto CS; | |
7346 | ||
7347 | case 0x14: /* CSTST */ | |
7348 | /* op8 */ | |
7349 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7350 | return -1; | |
7351 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7352 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7353 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7354 | return -1; | |
7355 | /* fallthru */ | |
7356 | case 0x10: /* CSDST */ | |
7357 | /* op6 */ | |
7358 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7359 | return -1; | |
7360 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7361 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7362 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7363 | return -1; | |
7364 | /* op4 */ | |
7365 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7366 | return -1; | |
7367 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7368 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7369 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7370 | return -1; | |
7371 | /* fallthru */ | |
7372 | case 0x04: /* CS */ | |
7373 | CS: | |
7374 | /* op1c */ | |
7375 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7376 | return -1; | |
7377 | /* op2 */ | |
7378 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
7379 | return -1; | |
7380 | break; | |
7381 | ||
7382 | case 0x09: /* DCSG */ | |
7383 | /* op3c */ | |
7384 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
7385 | return -1; | |
7386 | goto CSSTG; | |
7387 | ||
7388 | case 0x15: /* CSTSTG */ | |
7389 | /* op8 */ | |
7390 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7391 | return -1; | |
7392 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7393 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7394 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7395 | return -1; | |
7396 | /* fallthru */ | |
7397 | case 0x11: /* CSDSTG */ | |
7398 | /* op6 */ | |
7399 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7400 | return -1; | |
7401 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7402 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7403 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7404 | return -1; | |
7405 | /* fallthru */ | |
7406 | case 0x0d: /* CSSTG */ | |
7407 | CSSTG: | |
7408 | /* op4 */ | |
7409 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7410 | return -1; | |
7411 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7412 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7413 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7414 | return -1; | |
7415 | /* fallthru */ | |
7416 | case 0x05: /* CSG */ | |
7417 | /* op1c */ | |
7418 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
7419 | return -1; | |
7420 | /* op2 */ | |
7421 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7422 | return -1; | |
7423 | break; | |
7424 | ||
7425 | case 0x0a: /* DCSGR */ | |
7426 | /* op3c */ | |
7427 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7428 | return -1; | |
7429 | /* fallthru */ | |
7430 | case 0x0e: /* CSSTGR */ | |
7431 | /* op4 */ | |
7432 | if (record_full_arch_list_add_mem (oaddr2, 8)) | |
7433 | return -1; | |
7434 | goto CSGR; | |
7435 | ||
7436 | case 0x16: /* CSTSTGR */ | |
7437 | /* op8 */ | |
7438 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7439 | return -1; | |
7440 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7441 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7442 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7443 | return -1; | |
7444 | /* fallthru */ | |
7445 | case 0x12: /* CSDSTGR */ | |
7446 | /* op6 */ | |
7447 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7448 | return -1; | |
7449 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7450 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7451 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7452 | return -1; | |
7453 | /* op4 */ | |
7454 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7455 | return -1; | |
7456 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7457 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7458 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7459 | return -1; | |
7460 | /* fallthru */ | |
7461 | case 0x06: /* CSGR */ | |
7462 | CSGR: | |
7463 | /* op1c */ | |
7464 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7465 | return -1; | |
7466 | /* op2 */ | |
7467 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7468 | return -1; | |
7469 | break; | |
7470 | ||
7471 | case 0x0b: /* DCSX */ | |
7472 | /* op3c */ | |
7473 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
7474 | return -1; | |
7475 | goto CSSTX; | |
7476 | ||
7477 | case 0x17: /* CSTSTX */ | |
7478 | /* op8 */ | |
7479 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7480 | return -1; | |
7481 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7482 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7483 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7484 | return -1; | |
7485 | /* fallthru */ | |
7486 | case 0x13: /* CSDSTX */ | |
7487 | /* op6 */ | |
7488 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7489 | return -1; | |
7490 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7491 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7492 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7493 | return -1; | |
7494 | /* fallthru */ | |
7495 | case 0x0f: /* CSSTX */ | |
7496 | CSSTX: | |
7497 | /* op4 */ | |
7498 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7499 | return -1; | |
7500 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7501 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7502 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7503 | return -1; | |
7504 | /* fallthru */ | |
7505 | case 0x07: /* CSX */ | |
7506 | /* op1c */ | |
7507 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
7508 | return -1; | |
7509 | /* op2 */ | |
7510 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
7511 | return -1; | |
7512 | break; | |
7513 | ||
7514 | default: | |
7515 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n", | |
7516 | fc, paddress (gdbarch, addr)); | |
7517 | return -1; | |
7518 | } | |
7519 | } | |
7520 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7521 | return -1; | |
7522 | break; | |
7523 | ||
7524 | case 0xef: /* LMD - load multiple disjoint */ | |
7525 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
7526 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
7527 | return -1; | |
7528 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7529 | return -1; | |
7530 | break; | |
7531 | ||
7532 | case 0xf0: /* SRP - shift and round decimal */ | |
7533 | case 0xf8: /* ZAP - zero and add */ | |
7534 | case 0xfa: /* AP - add decimal */ | |
7535 | case 0xfb: /* SP - subtract decimal */ | |
7536 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7537 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7538 | return -1; | |
7539 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7540 | return -1; | |
7541 | /* DXC may be written */ | |
7542 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7543 | return -1; | |
7544 | break; | |
7545 | ||
7546 | case 0xf1: /* MVO - move with offset */ | |
7547 | case 0xf2: /* PACK - pack */ | |
7548 | case 0xf3: /* UNPK - unpack */ | |
7549 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7550 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7551 | return -1; | |
7552 | break; | |
7553 | ||
7554 | /* 0xf4-0xf7 undefined */ | |
7555 | ||
7556 | case 0xf9: /* CP - compare decimal */ | |
7557 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7558 | return -1; | |
7559 | /* DXC may be written */ | |
7560 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7561 | return -1; | |
7562 | break; | |
7563 | ||
7564 | case 0xfc: /* MP - multiply decimal */ | |
7565 | case 0xfd: /* DP - divide decimal */ | |
7566 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7567 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7568 | return -1; | |
7569 | /* DXC may be written */ | |
7570 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7571 | return -1; | |
7572 | break; | |
7573 | ||
7574 | /* 0xfe-0xff undefined */ | |
7575 | ||
7576 | default: | |
7577 | UNKNOWN_OP: | |
7578 | fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x " | |
7579 | "at %s.\n", insn[0], paddress (gdbarch, addr)); | |
7580 | return -1; | |
7581 | } | |
7582 | ||
7583 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) | |
7584 | return -1; | |
7585 | if (record_full_arch_list_add_end ()) | |
7586 | return -1; | |
7587 | return 0; | |
7588 | } | |
7589 | ||
7590 | /* Initialize linux_record_tdep if not initialized yet. */ | |
7591 | ||
7592 | static void | |
7593 | s390_init_linux_record_tdep (struct linux_record_tdep *record_tdep, | |
7594 | enum s390_abi_kind abi) | |
7595 | { | |
7596 | /* These values are the size of the type that will be used in a system | |
7597 | call. They are obtained from Linux Kernel source. */ | |
7598 | ||
7599 | if (abi == ABI_LINUX_ZSERIES) | |
7600 | { | |
7601 | record_tdep->size_pointer = 8; | |
7602 | /* no _old_kernel_stat */ | |
7603 | record_tdep->size_tms = 32; | |
7604 | record_tdep->size_loff_t = 8; | |
7605 | record_tdep->size_flock = 32; | |
7606 | record_tdep->size_ustat = 32; | |
7607 | record_tdep->size_old_sigaction = 32; | |
7608 | record_tdep->size_old_sigset_t = 8; | |
7609 | record_tdep->size_rlimit = 16; | |
7610 | record_tdep->size_rusage = 144; | |
7611 | record_tdep->size_timeval = 16; | |
7612 | record_tdep->size_timezone = 8; | |
7613 | /* old_[ug]id_t never used */ | |
7614 | record_tdep->size_fd_set = 128; | |
7615 | record_tdep->size_old_dirent = 280; | |
7616 | record_tdep->size_statfs = 88; | |
7617 | record_tdep->size_statfs64 = 88; | |
7618 | record_tdep->size_sockaddr = 16; | |
7619 | record_tdep->size_int = 4; | |
7620 | record_tdep->size_long = 8; | |
7621 | record_tdep->size_ulong = 8; | |
7622 | record_tdep->size_msghdr = 56; | |
7623 | record_tdep->size_itimerval = 32; | |
7624 | record_tdep->size_stat = 144; | |
7625 | /* old_utsname unused */ | |
7626 | record_tdep->size_sysinfo = 112; | |
7627 | record_tdep->size_msqid_ds = 120; | |
7628 | record_tdep->size_shmid_ds = 112; | |
7629 | record_tdep->size_new_utsname = 390; | |
7630 | record_tdep->size_timex = 208; | |
7631 | record_tdep->size_mem_dqinfo = 24; | |
7632 | record_tdep->size_if_dqblk = 72; | |
7633 | record_tdep->size_fs_quota_stat = 80; | |
7634 | record_tdep->size_timespec = 16; | |
7635 | record_tdep->size_pollfd = 8; | |
7636 | record_tdep->size_NFS_FHSIZE = 32; | |
7637 | record_tdep->size_knfsd_fh = 132; | |
7638 | record_tdep->size_TASK_COMM_LEN = 16; | |
7639 | record_tdep->size_sigaction = 32; | |
7640 | record_tdep->size_sigset_t = 8; | |
7641 | record_tdep->size_siginfo_t = 128; | |
7642 | record_tdep->size_cap_user_data_t = 12; | |
7643 | record_tdep->size_stack_t = 24; | |
7644 | record_tdep->size_off_t = 8; | |
7645 | /* stat64 unused */ | |
7646 | record_tdep->size_gid_t = 4; | |
7647 | record_tdep->size_uid_t = 4; | |
7648 | record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ | |
7649 | record_tdep->size_flock64 = 32; | |
7650 | record_tdep->size_io_event = 32; | |
7651 | record_tdep->size_iocb = 64; | |
7652 | record_tdep->size_epoll_event = 16; | |
7653 | record_tdep->size_itimerspec = 32; | |
7654 | record_tdep->size_mq_attr = 64; | |
7655 | record_tdep->size_termios = 36; | |
7656 | record_tdep->size_termios2 = 44; | |
7657 | record_tdep->size_pid_t = 4; | |
7658 | record_tdep->size_winsize = 8; | |
7659 | record_tdep->size_serial_struct = 72; | |
7660 | record_tdep->size_serial_icounter_struct = 80; | |
7661 | record_tdep->size_size_t = 8; | |
7662 | record_tdep->size_iovec = 16; | |
7663 | record_tdep->size_time_t = 8; | |
7664 | } | |
7665 | else if (abi == ABI_LINUX_S390) | |
7666 | { | |
7667 | record_tdep->size_pointer = 4; | |
7668 | record_tdep->size__old_kernel_stat = 32; | |
7669 | record_tdep->size_tms = 16; | |
7670 | record_tdep->size_loff_t = 8; | |
7671 | record_tdep->size_flock = 16; | |
7672 | record_tdep->size_ustat = 20; | |
7673 | record_tdep->size_old_sigaction = 16; | |
7674 | record_tdep->size_old_sigset_t = 4; | |
7675 | record_tdep->size_rlimit = 8; | |
7676 | record_tdep->size_rusage = 72; | |
7677 | record_tdep->size_timeval = 8; | |
7678 | record_tdep->size_timezone = 8; | |
7679 | record_tdep->size_old_gid_t = 2; | |
7680 | record_tdep->size_old_uid_t = 2; | |
7681 | record_tdep->size_fd_set = 128; | |
7682 | record_tdep->size_old_dirent = 268; | |
7683 | record_tdep->size_statfs = 64; | |
7684 | record_tdep->size_statfs64 = 88; | |
7685 | record_tdep->size_sockaddr = 16; | |
7686 | record_tdep->size_int = 4; | |
7687 | record_tdep->size_long = 4; | |
7688 | record_tdep->size_ulong = 4; | |
7689 | record_tdep->size_msghdr = 28; | |
7690 | record_tdep->size_itimerval = 16; | |
7691 | record_tdep->size_stat = 64; | |
7692 | /* old_utsname unused */ | |
7693 | record_tdep->size_sysinfo = 64; | |
7694 | record_tdep->size_msqid_ds = 88; | |
7695 | record_tdep->size_shmid_ds = 84; | |
7696 | record_tdep->size_new_utsname = 390; | |
7697 | record_tdep->size_timex = 128; | |
7698 | record_tdep->size_mem_dqinfo = 24; | |
7699 | record_tdep->size_if_dqblk = 72; | |
7700 | record_tdep->size_fs_quota_stat = 80; | |
7701 | record_tdep->size_timespec = 8; | |
7702 | record_tdep->size_pollfd = 8; | |
7703 | record_tdep->size_NFS_FHSIZE = 32; | |
7704 | record_tdep->size_knfsd_fh = 132; | |
7705 | record_tdep->size_TASK_COMM_LEN = 16; | |
7706 | record_tdep->size_sigaction = 20; | |
7707 | record_tdep->size_sigset_t = 8; | |
7708 | record_tdep->size_siginfo_t = 128; | |
7709 | record_tdep->size_cap_user_data_t = 12; | |
7710 | record_tdep->size_stack_t = 12; | |
7711 | record_tdep->size_off_t = 4; | |
7712 | record_tdep->size_stat64 = 104; | |
7713 | record_tdep->size_gid_t = 4; | |
7714 | record_tdep->size_uid_t = 4; | |
7715 | record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ | |
7716 | record_tdep->size_flock64 = 32; | |
7717 | record_tdep->size_io_event = 32; | |
7718 | record_tdep->size_iocb = 64; | |
7719 | record_tdep->size_epoll_event = 16; | |
7720 | record_tdep->size_itimerspec = 16; | |
7721 | record_tdep->size_mq_attr = 32; | |
7722 | record_tdep->size_termios = 36; | |
7723 | record_tdep->size_termios2 = 44; | |
7724 | record_tdep->size_pid_t = 4; | |
7725 | record_tdep->size_winsize = 8; | |
7726 | record_tdep->size_serial_struct = 60; | |
7727 | record_tdep->size_serial_icounter_struct = 80; | |
7728 | record_tdep->size_size_t = 4; | |
7729 | record_tdep->size_iovec = 8; | |
7730 | record_tdep->size_time_t = 4; | |
7731 | } | |
7732 | ||
7733 | /* These values are the second argument of system call "sys_fcntl" | |
7734 | and "sys_fcntl64". They are obtained from Linux Kernel source. */ | |
7735 | record_tdep->fcntl_F_GETLK = 5; | |
7736 | record_tdep->fcntl_F_GETLK64 = 12; | |
7737 | record_tdep->fcntl_F_SETLK64 = 13; | |
7738 | record_tdep->fcntl_F_SETLKW64 = 14; | |
7739 | ||
7740 | record_tdep->arg1 = S390_R2_REGNUM; | |
7741 | record_tdep->arg2 = S390_R3_REGNUM; | |
7742 | record_tdep->arg3 = S390_R4_REGNUM; | |
7743 | record_tdep->arg4 = S390_R5_REGNUM; | |
7744 | record_tdep->arg5 = S390_R6_REGNUM; | |
7745 | ||
7746 | /* These values are the second argument of system call "sys_ioctl". | |
7747 | They are obtained from Linux Kernel source. | |
7748 | See arch/s390/include/uapi/asm/ioctls.h. */ | |
7749 | ||
7750 | record_tdep->ioctl_TCGETS = 0x5401; | |
7751 | record_tdep->ioctl_TCSETS = 0x5402; | |
7752 | record_tdep->ioctl_TCSETSW = 0x5403; | |
7753 | record_tdep->ioctl_TCSETSF = 0x5404; | |
7754 | record_tdep->ioctl_TCGETA = 0x5405; | |
7755 | record_tdep->ioctl_TCSETA = 0x5406; | |
7756 | record_tdep->ioctl_TCSETAW = 0x5407; | |
7757 | record_tdep->ioctl_TCSETAF = 0x5408; | |
7758 | record_tdep->ioctl_TCSBRK = 0x5409; | |
7759 | record_tdep->ioctl_TCXONC = 0x540a; | |
7760 | record_tdep->ioctl_TCFLSH = 0x540b; | |
7761 | record_tdep->ioctl_TIOCEXCL = 0x540c; | |
7762 | record_tdep->ioctl_TIOCNXCL = 0x540d; | |
7763 | record_tdep->ioctl_TIOCSCTTY = 0x540e; | |
7764 | record_tdep->ioctl_TIOCGPGRP = 0x540f; | |
7765 | record_tdep->ioctl_TIOCSPGRP = 0x5410; | |
7766 | record_tdep->ioctl_TIOCOUTQ = 0x5411; | |
7767 | record_tdep->ioctl_TIOCSTI = 0x5412; | |
7768 | record_tdep->ioctl_TIOCGWINSZ = 0x5413; | |
7769 | record_tdep->ioctl_TIOCSWINSZ = 0x5414; | |
7770 | record_tdep->ioctl_TIOCMGET = 0x5415; | |
7771 | record_tdep->ioctl_TIOCMBIS = 0x5416; | |
7772 | record_tdep->ioctl_TIOCMBIC = 0x5417; | |
7773 | record_tdep->ioctl_TIOCMSET = 0x5418; | |
7774 | record_tdep->ioctl_TIOCGSOFTCAR = 0x5419; | |
7775 | record_tdep->ioctl_TIOCSSOFTCAR = 0x541a; | |
7776 | record_tdep->ioctl_FIONREAD = 0x541b; | |
7777 | record_tdep->ioctl_TIOCINQ = 0x541b; /* alias */ | |
7778 | record_tdep->ioctl_TIOCLINUX = 0x541c; | |
7779 | record_tdep->ioctl_TIOCCONS = 0x541d; | |
7780 | record_tdep->ioctl_TIOCGSERIAL = 0x541e; | |
7781 | record_tdep->ioctl_TIOCSSERIAL = 0x541f; | |
7782 | record_tdep->ioctl_TIOCPKT = 0x5420; | |
7783 | record_tdep->ioctl_FIONBIO = 0x5421; | |
7784 | record_tdep->ioctl_TIOCNOTTY = 0x5422; | |
7785 | record_tdep->ioctl_TIOCSETD = 0x5423; | |
7786 | record_tdep->ioctl_TIOCGETD = 0x5424; | |
7787 | record_tdep->ioctl_TCSBRKP = 0x5425; | |
7788 | record_tdep->ioctl_TIOCSBRK = 0x5427; | |
7789 | record_tdep->ioctl_TIOCCBRK = 0x5428; | |
7790 | record_tdep->ioctl_TIOCGSID = 0x5429; | |
7791 | record_tdep->ioctl_TCGETS2 = 0x802c542a; | |
7792 | record_tdep->ioctl_TCSETS2 = 0x402c542b; | |
7793 | record_tdep->ioctl_TCSETSW2 = 0x402c542c; | |
7794 | record_tdep->ioctl_TCSETSF2 = 0x402c542d; | |
7795 | record_tdep->ioctl_TIOCGPTN = 0x80045430; | |
7796 | record_tdep->ioctl_TIOCSPTLCK = 0x40045431; | |
7797 | record_tdep->ioctl_FIONCLEX = 0x5450; | |
7798 | record_tdep->ioctl_FIOCLEX = 0x5451; | |
7799 | record_tdep->ioctl_FIOASYNC = 0x5452; | |
7800 | record_tdep->ioctl_TIOCSERCONFIG = 0x5453; | |
7801 | record_tdep->ioctl_TIOCSERGWILD = 0x5454; | |
7802 | record_tdep->ioctl_TIOCSERSWILD = 0x5455; | |
7803 | record_tdep->ioctl_TIOCGLCKTRMIOS = 0x5456; | |
7804 | record_tdep->ioctl_TIOCSLCKTRMIOS = 0x5457; | |
7805 | record_tdep->ioctl_TIOCSERGSTRUCT = 0x5458; | |
7806 | record_tdep->ioctl_TIOCSERGETLSR = 0x5459; | |
7807 | record_tdep->ioctl_TIOCSERGETMULTI = 0x545a; | |
7808 | record_tdep->ioctl_TIOCSERSETMULTI = 0x545b; | |
7809 | record_tdep->ioctl_TIOCMIWAIT = 0x545c; | |
7810 | record_tdep->ioctl_TIOCGICOUNT = 0x545d; | |
7811 | record_tdep->ioctl_FIOQSIZE = 0x545e; | |
7812 | } | |
7813 | ||
47c9317e PR |
7814 | /* Validate the range of registers. NAMES must be known at compile time. */ |
7815 | ||
7816 | #define s390_validate_reg_range(feature, tdesc_data, start, names) \ | |
7817 | do \ | |
7818 | { \ | |
7819 | for (int i = 0; i < ARRAY_SIZE (names); i++) \ | |
7820 | if (!tdesc_numbered_register (feature, tdesc_data, start + i, names[i])) \ | |
7821 | return false; \ | |
7822 | } \ | |
7823 | while (0) | |
7824 | ||
7825 | /* Validate the target description. Also numbers registers contained in | |
7826 | tdesc. */ | |
7827 | ||
7828 | static bool | |
7829 | s390_tdesc_valid (struct gdbarch_tdep *tdep, | |
7830 | struct tdesc_arch_data *tdesc_data) | |
7831 | { | |
7832 | static const char *const psw[] = { | |
7833 | "pswm", "pswa" | |
7834 | }; | |
7835 | static const char *const gprs[] = { | |
7836 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
7837 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
7838 | }; | |
7839 | static const char *const fprs[] = { | |
7840 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", | |
7841 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15" | |
7842 | }; | |
7843 | static const char *const acrs[] = { | |
7844 | "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7", | |
7845 | "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15" | |
7846 | }; | |
7847 | static const char *const gprs_lower[] = { | |
7848 | "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l", | |
7849 | "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l" | |
7850 | }; | |
7851 | static const char *const gprs_upper[] = { | |
7852 | "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h", | |
7853 | "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h" | |
7854 | }; | |
7855 | static const char *const tdb_regs[] = { | |
7856 | "tdb0", "tac", "tct", "atia", | |
7857 | "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7", | |
7858 | "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15" | |
7859 | }; | |
7860 | static const char *const vxrs_low[] = { | |
7861 | "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l", | |
7862 | "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l", | |
7863 | }; | |
7864 | static const char *const vxrs_high[] = { | |
7865 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", | |
7866 | "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
7867 | }; | |
7868 | static const char *const gs_cb[] = { | |
7869 | "gsd", "gssm", "gsepla", | |
7870 | }; | |
7871 | static const char *const gs_bc[] = { | |
7872 | "bc_gsd", "bc_gssm", "bc_gsepla", | |
7873 | }; | |
7874 | ||
7875 | const struct target_desc *tdesc = tdep->tdesc; | |
7876 | const struct tdesc_feature *feature; | |
7877 | ||
7878 | /* Core registers, i.e. general purpose and PSW. */ | |
7879 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core"); | |
7880 | if (feature == NULL) | |
7881 | return false; | |
7882 | ||
7883 | s390_validate_reg_range (feature, tdesc_data, S390_PSWM_REGNUM, psw); | |
7884 | ||
7885 | if (tdesc_unnumbered_register (feature, "r0")) | |
7886 | { | |
7887 | s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM, gprs); | |
7888 | } | |
7889 | else | |
7890 | { | |
7891 | tdep->have_upper = true; | |
7892 | s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM, | |
7893 | gprs_lower); | |
7894 | s390_validate_reg_range (feature, tdesc_data, S390_R0_UPPER_REGNUM, | |
7895 | gprs_upper); | |
7896 | } | |
7897 | ||
7898 | /* Floating point registers. */ | |
7899 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr"); | |
7900 | if (feature == NULL) | |
7901 | return false; | |
7902 | ||
7903 | if (!tdesc_numbered_register (feature, tdesc_data, S390_FPC_REGNUM, "fpc")) | |
7904 | return false; | |
7905 | ||
7906 | s390_validate_reg_range (feature, tdesc_data, S390_F0_REGNUM, fprs); | |
7907 | ||
7908 | /* Access control registers. */ | |
7909 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr"); | |
7910 | if (feature == NULL) | |
7911 | return false; | |
7912 | ||
7913 | s390_validate_reg_range (feature, tdesc_data, S390_A0_REGNUM, acrs); | |
7914 | ||
7915 | /* Optional GNU/Linux-specific "registers". */ | |
7916 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux"); | |
7917 | if (feature) | |
7918 | { | |
7919 | tdesc_numbered_register (feature, tdesc_data, | |
7920 | S390_ORIG_R2_REGNUM, "orig_r2"); | |
7921 | ||
7922 | if (tdesc_numbered_register (feature, tdesc_data, | |
7923 | S390_LAST_BREAK_REGNUM, "last_break")) | |
7924 | tdep->have_linux_v1 = true; | |
7925 | ||
7926 | if (tdesc_numbered_register (feature, tdesc_data, | |
7927 | S390_SYSTEM_CALL_REGNUM, "system_call")) | |
7928 | tdep->have_linux_v2 = true; | |
7929 | ||
7930 | if (tdep->have_linux_v2 && !tdep->have_linux_v1) | |
7931 | return false; | |
7932 | } | |
7933 | ||
7934 | /* Transaction diagnostic block. */ | |
7935 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb"); | |
7936 | if (feature) | |
7937 | { | |
7938 | s390_validate_reg_range (feature, tdesc_data, S390_TDB_DWORD0_REGNUM, | |
7939 | tdb_regs); | |
7940 | tdep->have_tdb = true; | |
7941 | } | |
7942 | ||
7943 | /* Vector registers. */ | |
7944 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx"); | |
7945 | if (feature) | |
7946 | { | |
7947 | s390_validate_reg_range (feature, tdesc_data, S390_V0_LOWER_REGNUM, | |
7948 | vxrs_low); | |
7949 | s390_validate_reg_range (feature, tdesc_data, S390_V16_REGNUM, | |
7950 | vxrs_high); | |
7951 | tdep->have_vx = true; | |
7952 | } | |
7953 | ||
7954 | /* Guarded-storage registers. */ | |
7955 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gs"); | |
7956 | if (feature) | |
7957 | { | |
7958 | s390_validate_reg_range (feature, tdesc_data, S390_GSD_REGNUM, gs_cb); | |
7959 | tdep->have_gs = true; | |
7960 | } | |
7961 | ||
7962 | /* Guarded-storage broadcast control. */ | |
7963 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gsbc"); | |
7964 | if (feature) | |
7965 | { | |
7966 | if (!tdep->have_gs) | |
7967 | return false; | |
7968 | s390_validate_reg_range (feature, tdesc_data, S390_BC_GSD_REGNUM, | |
7969 | gs_bc); | |
7970 | } | |
7971 | ||
7972 | return true; | |
7973 | } | |
7974 | ||
21f6f5ff PR |
7975 | /* Allocate and initialize new gdbarch_tdep. Caller is responsible to free |
7976 | memory after use. */ | |
7977 | ||
7978 | static struct gdbarch_tdep * | |
7979 | s390_gdbarch_tdep_alloc () | |
7980 | { | |
7981 | struct gdbarch_tdep *tdep = XCNEW (struct gdbarch_tdep); | |
7982 | ||
095085d8 PR |
7983 | tdep->tdesc = NULL; |
7984 | ||
21f6f5ff PR |
7985 | tdep->abi = ABI_NONE; |
7986 | tdep->vector_abi = S390_VECTOR_ABI_NONE; | |
7987 | ||
7988 | tdep->gpr_full_regnum = -1; | |
7989 | tdep->v0_full_regnum = -1; | |
7990 | tdep->pc_regnum = -1; | |
7991 | tdep->cc_regnum = -1; | |
7992 | ||
7993 | tdep->have_upper = false; | |
ab9bcc67 PR |
7994 | tdep->have_linux_v1 = false; |
7995 | tdep->have_linux_v2 = false; | |
7996 | tdep->have_tdb = false; | |
21f6f5ff PR |
7997 | tdep->have_vx = false; |
7998 | tdep->have_gs = false; | |
7999 | ||
8000 | return tdep; | |
8001 | } | |
8002 | ||
a8c99f38 JB |
8003 | /* Set up gdbarch struct. */ |
8004 | ||
a78f21af | 8005 | static struct gdbarch * |
5769d3cd AC |
8006 | s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) |
8007 | { | |
7803799a | 8008 | const struct target_desc *tdesc = info.target_desc; |
7803799a | 8009 | int first_pseudo_reg, last_pseudo_reg; |
05c0465e SDJ |
8010 | static const char *const stap_register_prefixes[] = { "%", NULL }; |
8011 | static const char *const stap_register_indirection_prefixes[] = { "(", | |
8012 | NULL }; | |
8013 | static const char *const stap_register_indirection_suffixes[] = { ")", | |
8014 | NULL }; | |
7803799a | 8015 | |
21f6f5ff PR |
8016 | struct gdbarch_tdep *tdep = s390_gdbarch_tdep_alloc (); |
8017 | struct gdbarch *gdbarch = gdbarch_alloc (&info, tdep); | |
47c9317e PR |
8018 | struct tdesc_arch_data *tdesc_data = tdesc_data_alloc (); |
8019 | info.tdesc_data = tdesc_data; | |
21f6f5ff | 8020 | |
7042632b PR |
8021 | set_gdbarch_believe_pcc_promotion (gdbarch, 0); |
8022 | set_gdbarch_char_signed (gdbarch, 0); | |
8023 | ||
8024 | /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles. | |
8025 | We can safely let them default to 128-bit, since the debug info | |
8026 | will give the size of type actually used in each case. */ | |
8027 | set_gdbarch_long_double_bit (gdbarch, 128); | |
8028 | set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad); | |
8029 | ||
8030 | /* Amount PC must be decremented by after a breakpoint. This is | |
8031 | often the number of bytes returned by gdbarch_breakpoint_from_pc but not | |
8032 | always. */ | |
8033 | set_gdbarch_decr_pc_after_break (gdbarch, 2); | |
8034 | /* Stack grows downward. */ | |
8035 | set_gdbarch_inner_than (gdbarch, core_addr_lessthan); | |
8036 | set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc); | |
8037 | set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind); | |
8038 | set_gdbarch_software_single_step (gdbarch, s390_software_single_step); | |
8039 | set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep); | |
8040 | set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue); | |
8041 | set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p); | |
8042 | ||
8043 | set_gdbarch_num_regs (gdbarch, S390_NUM_REGS); | |
8044 | set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM); | |
8045 | set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM); | |
8046 | set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); | |
8047 | set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); | |
8048 | set_gdbarch_value_from_register (gdbarch, s390_value_from_register); | |
8049 | set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers); | |
8050 | set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read); | |
8051 | set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write); | |
8052 | set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name); | |
8053 | set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type); | |
8054 | set_tdesc_pseudo_register_reggroup_p (gdbarch, | |
8055 | s390_pseudo_register_reggroup_p); | |
8056 | set_gdbarch_ax_pseudo_register_collect (gdbarch, | |
8057 | s390_ax_pseudo_register_collect); | |
8058 | set_gdbarch_ax_pseudo_register_push_stack | |
8059 | (gdbarch, s390_ax_pseudo_register_push_stack); | |
8060 | set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address); | |
8061 | ||
8062 | /* Inferior function calls. */ | |
8063 | set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call); | |
8064 | set_gdbarch_dummy_id (gdbarch, s390_dummy_id); | |
8065 | set_gdbarch_frame_align (gdbarch, s390_frame_align); | |
8066 | set_gdbarch_return_value (gdbarch, s390_return_value); | |
8067 | ||
8068 | /* Frame handling. */ | |
8069 | dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg); | |
8070 | dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum); | |
8071 | dwarf2_append_unwinders (gdbarch); | |
8072 | set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc); | |
8073 | set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp); | |
8074 | ||
8075 | /* Displaced stepping. */ | |
8076 | set_gdbarch_displaced_step_copy_insn (gdbarch, | |
8077 | s390_displaced_step_copy_insn); | |
8078 | set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup); | |
8079 | set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location); | |
8080 | set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE); | |
8081 | ||
7803799a UW |
8082 | switch (info.bfd_arch_info->mach) |
8083 | { | |
8084 | case bfd_mach_s390_31: | |
7042632b | 8085 | set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove); |
7803799a UW |
8086 | break; |
8087 | ||
8088 | case bfd_mach_s390_64: | |
7042632b PR |
8089 | set_gdbarch_long_bit (gdbarch, 64); |
8090 | set_gdbarch_long_long_bit (gdbarch, 64); | |
8091 | set_gdbarch_ptr_bit (gdbarch, 64); | |
8092 | set_gdbarch_address_class_type_flags (gdbarch, | |
8093 | s390_address_class_type_flags); | |
8094 | set_gdbarch_address_class_type_flags_to_name (gdbarch, | |
8095 | s390_address_class_type_flags_to_name); | |
8096 | set_gdbarch_address_class_name_to_type_flags (gdbarch, | |
8097 | s390_address_class_name_to_type_flags); | |
7803799a | 8098 | break; |
7803799a UW |
8099 | } |
8100 | ||
7042632b PR |
8101 | /* SystemTap functions. */ |
8102 | set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); | |
8103 | set_gdbarch_stap_register_indirection_prefixes (gdbarch, | |
8104 | stap_register_indirection_prefixes); | |
8105 | set_gdbarch_stap_register_indirection_suffixes (gdbarch, | |
8106 | stap_register_indirection_suffixes); | |
8107 | ||
8108 | set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options); | |
8109 | set_gdbarch_valid_disassembler_options (gdbarch, | |
8110 | disassembler_options_s390 ()); | |
8111 | ||
8112 | /* Process record-replay */ | |
8113 | set_gdbarch_process_record (gdbarch, s390_process_record); | |
8114 | ||
8115 | /* Miscellaneous. */ | |
8116 | set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand); | |
8117 | set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options); | |
8118 | set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp); | |
8119 | ||
8120 | /* Initialize the OSABI. */ | |
8121 | gdbarch_init_osabi (info, gdbarch); | |
7803799a UW |
8122 | |
8123 | /* Check any target description for validity. */ | |
650f5e13 PR |
8124 | gdb_assert (tdesc_has_registers (tdep->tdesc)); |
8125 | if (!s390_tdesc_valid (tdep, tdesc_data)) | |
7803799a | 8126 | { |
650f5e13 PR |
8127 | tdesc_data_cleanup (tdesc_data); |
8128 | xfree (tdep); | |
8129 | gdbarch_free (gdbarch); | |
8130 | return NULL; | |
7803799a | 8131 | } |
5769d3cd | 8132 | |
417c80f9 | 8133 | /* Determine vector ABI. */ |
417c80f9 | 8134 | #ifdef HAVE_ELF |
21f6f5ff | 8135 | if (tdep->have_vx |
417c80f9 AA |
8136 | && info.abfd != NULL |
8137 | && info.abfd->format == bfd_object | |
8138 | && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour | |
8139 | && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU, | |
8140 | Tag_GNU_S390_ABI_Vector) == 2) | |
21f6f5ff | 8141 | tdep->vector_abi = S390_VECTOR_ABI_128; |
417c80f9 AA |
8142 | #endif |
8143 | ||
7803799a UW |
8144 | /* Find a candidate among extant architectures. */ |
8145 | for (arches = gdbarch_list_lookup_by_info (arches, &info); | |
8146 | arches != NULL; | |
8147 | arches = gdbarch_list_lookup_by_info (arches->next, &info)) | |
8148 | { | |
21f6f5ff PR |
8149 | struct gdbarch_tdep *tmp = gdbarch_tdep (arches->gdbarch); |
8150 | if (!tmp) | |
7803799a | 8151 | continue; |
0eb97953 PR |
8152 | /* A program can 'choose' not to use the vector registers when they |
8153 | are present. Leading to the same tdesc but different tdep and | |
8154 | thereby a different gdbarch. */ | |
21f6f5ff | 8155 | if (tmp->vector_abi != tdep->vector_abi) |
417c80f9 | 8156 | continue; |
47c9317e PR |
8157 | |
8158 | tdesc_data_cleanup (tdesc_data); | |
21f6f5ff PR |
8159 | xfree (tdep); |
8160 | gdbarch_free (gdbarch); | |
7803799a UW |
8161 | return arches->gdbarch; |
8162 | } | |
5769d3cd | 8163 | |
095085d8 | 8164 | tdesc_use_registers (gdbarch, tdep->tdesc, tdesc_data); |
550bdf96 | 8165 | set_gdbarch_register_name (gdbarch, s390_register_name); |
7803799a UW |
8166 | |
8167 | /* Assign pseudo register numbers. */ | |
8168 | first_pseudo_reg = gdbarch_num_regs (gdbarch); | |
8169 | last_pseudo_reg = first_pseudo_reg; | |
21f6f5ff | 8170 | if (tdep->have_upper) |
7803799a UW |
8171 | { |
8172 | tdep->gpr_full_regnum = last_pseudo_reg; | |
8173 | last_pseudo_reg += 16; | |
8174 | } | |
21f6f5ff | 8175 | if (tdep->have_vx) |
550bdf96 AA |
8176 | { |
8177 | tdep->v0_full_regnum = last_pseudo_reg; | |
8178 | last_pseudo_reg += 16; | |
8179 | } | |
7803799a UW |
8180 | tdep->pc_regnum = last_pseudo_reg++; |
8181 | tdep->cc_regnum = last_pseudo_reg++; | |
8182 | set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum); | |
8183 | set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg); | |
5769d3cd | 8184 | |
a431654a | 8185 | frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); |
f089c433 | 8186 | frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind); |
f089c433 | 8187 | frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind); |
a8c99f38 | 8188 | frame_base_set_default (gdbarch, &s390_frame_base); |
a8c99f38 | 8189 | |
7042632b PR |
8190 | return gdbarch; |
8191 | } | |
1db4e8a0 | 8192 | |
7042632b | 8193 | /* Initialize OSABI common for GNU/Linux on 31- and 64-bit systems. */ |
70728992 | 8194 | |
7042632b PR |
8195 | static void |
8196 | s390_linux_init_abi_any (struct gdbarch_info info, struct gdbarch *gdbarch) | |
8197 | { | |
8198 | linux_init_abi (info, gdbarch); | |
c642a434 | 8199 | |
7042632b PR |
8200 | /* Register handling. */ |
8201 | set_gdbarch_core_read_description (gdbarch, s390_core_read_description); | |
8202 | set_gdbarch_iterate_over_regset_sections (gdbarch, | |
8203 | s390_iterate_over_regset_sections); | |
8204 | set_gdbarch_write_pc (gdbarch, s390_write_pc); | |
8205 | set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register); | |
b0cf273e | 8206 | |
7042632b PR |
8207 | /* Syscall handling. */ |
8208 | set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number); | |
5769d3cd | 8209 | |
7042632b PR |
8210 | /* Frame handling. */ |
8211 | frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind); | |
982e9687 UW |
8212 | set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); |
8213 | ||
b2756930 KB |
8214 | /* Enable TLS support. */ |
8215 | set_gdbarch_fetch_tls_load_module_address (gdbarch, | |
34201ae3 | 8216 | svr4_fetch_objfile_link_map); |
b2756930 | 8217 | |
566c56c9 | 8218 | /* Support reverse debugging. */ |
566c56c9 | 8219 | set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal); |
566c56c9 MK |
8220 | s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390); |
8221 | s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES); | |
7042632b | 8222 | } |
566c56c9 | 8223 | |
7042632b | 8224 | /* Initialize OSABI for GNU/Linux on 31-bit systems. */ |
65b48a81 | 8225 | |
7042632b PR |
8226 | static void |
8227 | s390_linux_init_abi_31 (struct gdbarch_info info, struct gdbarch *gdbarch) | |
8228 | { | |
8229 | const struct target_desc *tdesc = info.target_desc; | |
8230 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
8231 | ||
8232 | tdep->abi = ABI_LINUX_S390; | |
8233 | if (!tdesc_has_registers (tdesc)) | |
8234 | tdesc = tdesc_s390_linux32; | |
8235 | tdep->tdesc = tdesc; | |
8236 | ||
8237 | s390_linux_init_abi_any (info, gdbarch); | |
8238 | ||
8239 | set_solib_svr4_fetch_link_map_offsets (gdbarch, | |
8240 | svr4_ilp32_fetch_link_map_offsets); | |
8241 | set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390); | |
8242 | } | |
8243 | ||
8244 | /* Initialize OSABI for GNU/Linux on 64-bit systems. */ | |
8245 | ||
8246 | static void | |
8247 | s390_linux_init_abi_64 (struct gdbarch_info info, struct gdbarch *gdbarch) | |
8248 | { | |
8249 | const struct target_desc *tdesc = info.target_desc; | |
8250 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
8251 | ||
8252 | tdep->abi = ABI_LINUX_ZSERIES; | |
8253 | if (!tdesc_has_registers (tdesc)) | |
8254 | tdesc = tdesc_s390x_linux64; | |
8255 | tdep->tdesc = tdesc; | |
8256 | ||
8257 | s390_linux_init_abi_any (info, gdbarch); | |
8258 | ||
8259 | set_solib_svr4_fetch_link_map_offsets (gdbarch, | |
8260 | svr4_lp64_fetch_link_map_offsets); | |
8261 | set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X); | |
5769d3cd AC |
8262 | } |
8263 | ||
5769d3cd | 8264 | void |
5ae5f592 | 8265 | _initialize_s390_tdep (void) |
5769d3cd | 8266 | { |
5769d3cd AC |
8267 | /* Hook us into the gdbarch mechanism. */ |
8268 | register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init); | |
7803799a | 8269 | |
7042632b PR |
8270 | /* Hook us into the OSABI mechanism. */ |
8271 | gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_31, GDB_OSABI_LINUX, | |
8272 | s390_linux_init_abi_31); | |
8273 | gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_64, GDB_OSABI_LINUX, | |
8274 | s390_linux_init_abi_64); | |
8275 | ||
94eae614 | 8276 | /* Initialize the GNU/Linux target descriptions. */ |
7803799a | 8277 | initialize_tdesc_s390_linux32 (); |
c642a434 UW |
8278 | initialize_tdesc_s390_linux32v1 (); |
8279 | initialize_tdesc_s390_linux32v2 (); | |
7803799a | 8280 | initialize_tdesc_s390_linux64 (); |
c642a434 UW |
8281 | initialize_tdesc_s390_linux64v1 (); |
8282 | initialize_tdesc_s390_linux64v2 (); | |
4ac33720 | 8283 | initialize_tdesc_s390_te_linux64 (); |
550bdf96 AA |
8284 | initialize_tdesc_s390_vx_linux64 (); |
8285 | initialize_tdesc_s390_tevx_linux64 (); | |
1b63490c | 8286 | initialize_tdesc_s390_gs_linux64 (); |
7803799a | 8287 | initialize_tdesc_s390x_linux64 (); |
c642a434 UW |
8288 | initialize_tdesc_s390x_linux64v1 (); |
8289 | initialize_tdesc_s390x_linux64v2 (); | |
4ac33720 | 8290 | initialize_tdesc_s390x_te_linux64 (); |
550bdf96 AA |
8291 | initialize_tdesc_s390x_vx_linux64 (); |
8292 | initialize_tdesc_s390x_tevx_linux64 (); | |
1b63490c | 8293 | initialize_tdesc_s390x_gs_linux64 (); |
5769d3cd | 8294 | } |