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5769d3cd | 1 | /* Target-dependent code for GDB, the GNU debugger. |
ca557f44 | 2 | |
618f726f | 3 | Copyright (C) 2001-2016 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" |
5769d3cd AC |
33 | #include "floatformat.h" |
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" | |
55aa24fb | 61 | |
7803799a | 62 | #include "features/s390-linux32.c" |
c642a434 UW |
63 | #include "features/s390-linux32v1.c" |
64 | #include "features/s390-linux32v2.c" | |
7803799a | 65 | #include "features/s390-linux64.c" |
c642a434 UW |
66 | #include "features/s390-linux64v1.c" |
67 | #include "features/s390-linux64v2.c" | |
4ac33720 | 68 | #include "features/s390-te-linux64.c" |
550bdf96 AA |
69 | #include "features/s390-vx-linux64.c" |
70 | #include "features/s390-tevx-linux64.c" | |
7803799a | 71 | #include "features/s390x-linux64.c" |
c642a434 UW |
72 | #include "features/s390x-linux64v1.c" |
73 | #include "features/s390x-linux64v2.c" | |
4ac33720 | 74 | #include "features/s390x-te-linux64.c" |
550bdf96 AA |
75 | #include "features/s390x-vx-linux64.c" |
76 | #include "features/s390x-tevx-linux64.c" | |
7803799a | 77 | |
237b092b AA |
78 | #define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml" |
79 | #define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml" | |
80 | ||
52059ffd TT |
81 | enum s390_abi_kind |
82 | { | |
83 | ABI_LINUX_S390, | |
84 | ABI_LINUX_ZSERIES | |
85 | }; | |
86 | ||
417c80f9 AA |
87 | enum s390_vector_abi_kind |
88 | { | |
89 | S390_VECTOR_ABI_NONE, | |
90 | S390_VECTOR_ABI_128 | |
91 | }; | |
92 | ||
d0f54f9d JB |
93 | /* The tdep structure. */ |
94 | ||
95 | struct gdbarch_tdep | |
5769d3cd | 96 | { |
b0cf273e | 97 | /* ABI version. */ |
52059ffd | 98 | enum s390_abi_kind abi; |
b0cf273e | 99 | |
417c80f9 AA |
100 | /* Vector ABI. */ |
101 | enum s390_vector_abi_kind vector_abi; | |
102 | ||
7803799a UW |
103 | /* Pseudo register numbers. */ |
104 | int gpr_full_regnum; | |
105 | int pc_regnum; | |
106 | int cc_regnum; | |
550bdf96 | 107 | int v0_full_regnum; |
7803799a | 108 | |
5aa82d05 AA |
109 | int have_linux_v1; |
110 | int have_linux_v2; | |
111 | int have_tdb; | |
d0f54f9d JB |
112 | }; |
113 | ||
114 | ||
7803799a UW |
115 | /* ABI call-saved register information. */ |
116 | ||
117 | static int | |
118 | s390_register_call_saved (struct gdbarch *gdbarch, int regnum) | |
d0f54f9d | 119 | { |
7803799a UW |
120 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
121 | ||
122 | switch (tdep->abi) | |
6707b003 | 123 | { |
7803799a UW |
124 | case ABI_LINUX_S390: |
125 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
126 | || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM | |
127 | || regnum == S390_A0_REGNUM) | |
128 | return 1; | |
6707b003 | 129 | |
7803799a UW |
130 | break; |
131 | ||
132 | case ABI_LINUX_ZSERIES: | |
133 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
134 | || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM) | |
135 | || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM)) | |
136 | return 1; | |
137 | ||
138 | break; | |
139 | } | |
140 | ||
141 | return 0; | |
5769d3cd AC |
142 | } |
143 | ||
c642a434 UW |
144 | static int |
145 | s390_cannot_store_register (struct gdbarch *gdbarch, int regnum) | |
146 | { | |
147 | /* The last-break address is read-only. */ | |
148 | return regnum == S390_LAST_BREAK_REGNUM; | |
149 | } | |
150 | ||
151 | static void | |
152 | s390_write_pc (struct regcache *regcache, CORE_ADDR pc) | |
153 | { | |
154 | struct gdbarch *gdbarch = get_regcache_arch (regcache); | |
155 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
156 | ||
157 | regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc); | |
158 | ||
159 | /* Set special SYSTEM_CALL register to 0 to prevent the kernel from | |
160 | messing with the PC we just installed, if we happen to be within | |
161 | an interrupted system call that the kernel wants to restart. | |
162 | ||
163 | Note that after we return from the dummy call, the SYSTEM_CALL and | |
164 | ORIG_R2 registers will be automatically restored, and the kernel | |
165 | continues to restart the system call at this point. */ | |
166 | if (register_size (gdbarch, S390_SYSTEM_CALL_REGNUM) > 0) | |
167 | regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0); | |
168 | } | |
169 | ||
f79a3bae MK |
170 | /* The "guess_tracepoint_registers" gdbarch method. */ |
171 | ||
172 | static void | |
173 | s390_guess_tracepoint_registers (struct gdbarch *gdbarch, | |
174 | struct regcache *regcache, | |
175 | CORE_ADDR addr) | |
176 | { | |
177 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
178 | int sz = register_size (gdbarch, S390_PSWA_REGNUM); | |
179 | gdb_byte *reg = (gdb_byte *) alloca (sz); | |
180 | ULONGEST pswm, pswa; | |
181 | ||
182 | /* Set PSWA from the location and a default PSWM (the only part we're | |
183 | unlikely to get right is the CC). */ | |
184 | if (tdep->abi == ABI_LINUX_S390) | |
185 | { | |
186 | /* 31-bit PSWA needs high bit set (it's very unlikely the target | |
187 | was in 24-bit mode). */ | |
188 | pswa = addr | 0x80000000UL; | |
189 | pswm = 0x070d0000UL; | |
190 | } | |
191 | else | |
192 | { | |
193 | pswa = addr; | |
194 | pswm = 0x0705000180000000ULL; | |
195 | } | |
196 | ||
197 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa); | |
198 | regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg); | |
199 | ||
200 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm); | |
201 | regcache_raw_supply (regcache, S390_PSWM_REGNUM, reg); | |
202 | } | |
203 | ||
7803799a | 204 | |
d0f54f9d JB |
205 | /* DWARF Register Mapping. */ |
206 | ||
2ccd1468 | 207 | static const short s390_dwarf_regmap[] = |
d0f54f9d | 208 | { |
550bdf96 | 209 | /* 0-15: General Purpose Registers. */ |
d0f54f9d JB |
210 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, |
211 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
212 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
213 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
214 | ||
550bdf96 | 215 | /* 16-31: Floating Point Registers / Vector Registers 0-15. */ |
d0f54f9d JB |
216 | S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM, |
217 | S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM, | |
218 | S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM, | |
219 | S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM, | |
220 | ||
550bdf96 | 221 | /* 32-47: Control Registers (not mapped). */ |
34201ae3 UW |
222 | -1, -1, -1, -1, -1, -1, -1, -1, |
223 | -1, -1, -1, -1, -1, -1, -1, -1, | |
d0f54f9d | 224 | |
550bdf96 | 225 | /* 48-63: Access Registers. */ |
d0f54f9d JB |
226 | S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM, |
227 | S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM, | |
228 | S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM, | |
229 | S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM, | |
230 | ||
550bdf96 | 231 | /* 64-65: Program Status Word. */ |
d0f54f9d | 232 | S390_PSWM_REGNUM, |
7803799a UW |
233 | S390_PSWA_REGNUM, |
234 | ||
550bdf96 AA |
235 | /* 66-67: Reserved. */ |
236 | -1, -1, | |
237 | ||
238 | /* 68-83: Vector Registers 16-31. */ | |
239 | S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM, | |
240 | S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM, | |
241 | S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM, | |
242 | S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM, | |
243 | ||
244 | /* End of "official" DWARF registers. The remainder of the map is | |
245 | for GDB internal use only. */ | |
246 | ||
7803799a UW |
247 | /* GPR Lower Half Access. */ |
248 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, | |
249 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
250 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
251 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
d0f54f9d JB |
252 | }; |
253 | ||
550bdf96 AA |
254 | enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 }; |
255 | ||
d0f54f9d JB |
256 | /* Convert DWARF register number REG to the appropriate register |
257 | number used by GDB. */ | |
a78f21af | 258 | static int |
d3f73121 | 259 | s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg) |
d0f54f9d | 260 | { |
7803799a | 261 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
550bdf96 | 262 | int gdb_reg = -1; |
7803799a | 263 | |
550bdf96 AA |
264 | /* In a 32-on-64 debug scenario, debug info refers to the full |
265 | 64-bit GPRs. Note that call frame information still refers to | |
266 | the 32-bit lower halves, because s390_adjust_frame_regnum uses | |
267 | special register numbers to access GPRs. */ | |
7803799a UW |
268 | if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16) |
269 | return tdep->gpr_full_regnum + reg; | |
d0f54f9d | 270 | |
16aff9a6 | 271 | if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap)) |
550bdf96 AA |
272 | gdb_reg = s390_dwarf_regmap[reg]; |
273 | ||
274 | if (tdep->v0_full_regnum == -1) | |
275 | { | |
276 | if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM) | |
277 | gdb_reg = -1; | |
278 | } | |
279 | else | |
280 | { | |
281 | if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM) | |
282 | gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum; | |
283 | } | |
d0f54f9d | 284 | |
550bdf96 | 285 | return gdb_reg; |
7803799a | 286 | } |
d0f54f9d | 287 | |
7803799a UW |
288 | /* Translate a .eh_frame register to DWARF register, or adjust a |
289 | .debug_frame register. */ | |
290 | static int | |
291 | s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p) | |
292 | { | |
293 | /* See s390_dwarf_reg_to_regnum for comments. */ | |
550bdf96 | 294 | return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num; |
d0f54f9d JB |
295 | } |
296 | ||
d0f54f9d | 297 | |
7803799a UW |
298 | /* Pseudo registers. */ |
299 | ||
2ccd1468 UW |
300 | static int |
301 | regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum) | |
302 | { | |
303 | return (tdep->gpr_full_regnum != -1 | |
304 | && regnum >= tdep->gpr_full_regnum | |
305 | && regnum <= tdep->gpr_full_regnum + 15); | |
306 | } | |
307 | ||
550bdf96 AA |
308 | /* Check whether REGNUM indicates a full vector register (v0-v15). |
309 | These pseudo-registers are composed of f0-f15 and v0l-v15l. */ | |
310 | ||
311 | static int | |
312 | regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum) | |
313 | { | |
314 | return (tdep->v0_full_regnum != -1 | |
315 | && regnum >= tdep->v0_full_regnum | |
316 | && regnum <= tdep->v0_full_regnum + 15); | |
317 | } | |
318 | ||
87de11c0 AA |
319 | /* Return the name of register REGNO. Return the empty string for |
320 | registers that shouldn't be visible. */ | |
550bdf96 AA |
321 | |
322 | static const char * | |
323 | s390_register_name (struct gdbarch *gdbarch, int regnum) | |
324 | { | |
325 | if (regnum >= S390_V0_LOWER_REGNUM | |
326 | && regnum <= S390_V15_LOWER_REGNUM) | |
87de11c0 | 327 | return ""; |
550bdf96 AA |
328 | return tdesc_register_name (gdbarch, regnum); |
329 | } | |
330 | ||
7803799a UW |
331 | static const char * |
332 | s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum) | |
d0f54f9d | 333 | { |
7803799a | 334 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
d0f54f9d | 335 | |
7803799a UW |
336 | if (regnum == tdep->pc_regnum) |
337 | return "pc"; | |
d0f54f9d | 338 | |
7803799a UW |
339 | if (regnum == tdep->cc_regnum) |
340 | return "cc"; | |
d0f54f9d | 341 | |
2ccd1468 | 342 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
343 | { |
344 | static const char *full_name[] = { | |
345 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
346 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
347 | }; | |
348 | return full_name[regnum - tdep->gpr_full_regnum]; | |
d0f54f9d | 349 | } |
7803799a | 350 | |
550bdf96 AA |
351 | if (regnum_is_vxr_full (tdep, regnum)) |
352 | { | |
353 | static const char *full_name[] = { | |
354 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", | |
355 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15" | |
356 | }; | |
357 | return full_name[regnum - tdep->v0_full_regnum]; | |
358 | } | |
359 | ||
7803799a | 360 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
361 | } |
362 | ||
7803799a UW |
363 | static struct type * |
364 | s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum) | |
5769d3cd | 365 | { |
7803799a | 366 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
d0f54f9d | 367 | |
7803799a UW |
368 | if (regnum == tdep->pc_regnum) |
369 | return builtin_type (gdbarch)->builtin_func_ptr; | |
d0f54f9d | 370 | |
7803799a UW |
371 | if (regnum == tdep->cc_regnum) |
372 | return builtin_type (gdbarch)->builtin_int; | |
d0f54f9d | 373 | |
2ccd1468 | 374 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
375 | return builtin_type (gdbarch)->builtin_uint64; |
376 | ||
550bdf96 AA |
377 | if (regnum_is_vxr_full (tdep, regnum)) |
378 | return tdesc_find_type (gdbarch, "vec128"); | |
379 | ||
7803799a | 380 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
5769d3cd AC |
381 | } |
382 | ||
05d1431c | 383 | static enum register_status |
7803799a UW |
384 | s390_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, |
385 | int regnum, gdb_byte *buf) | |
d0f54f9d | 386 | { |
7803799a | 387 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
e17a4113 | 388 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
7803799a | 389 | int regsize = register_size (gdbarch, regnum); |
d0f54f9d JB |
390 | ULONGEST val; |
391 | ||
7803799a | 392 | if (regnum == tdep->pc_regnum) |
d0f54f9d | 393 | { |
05d1431c PA |
394 | enum register_status status; |
395 | ||
396 | status = regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &val); | |
397 | if (status == REG_VALID) | |
398 | { | |
399 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
400 | val &= 0x7fffffff; | |
401 | store_unsigned_integer (buf, regsize, byte_order, val); | |
402 | } | |
403 | return status; | |
7803799a | 404 | } |
d0f54f9d | 405 | |
7803799a UW |
406 | if (regnum == tdep->cc_regnum) |
407 | { | |
05d1431c PA |
408 | enum register_status status; |
409 | ||
410 | status = regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &val); | |
411 | if (status == REG_VALID) | |
412 | { | |
413 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
414 | val = (val >> 12) & 3; | |
415 | else | |
416 | val = (val >> 44) & 3; | |
417 | store_unsigned_integer (buf, regsize, byte_order, val); | |
418 | } | |
419 | return status; | |
7803799a | 420 | } |
d0f54f9d | 421 | |
2ccd1468 | 422 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a | 423 | { |
05d1431c | 424 | enum register_status status; |
7803799a | 425 | ULONGEST val_upper; |
05d1431c | 426 | |
7803799a UW |
427 | regnum -= tdep->gpr_full_regnum; |
428 | ||
05d1431c PA |
429 | status = regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + regnum, &val); |
430 | if (status == REG_VALID) | |
431 | status = regcache_raw_read_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum, | |
432 | &val_upper); | |
433 | if (status == REG_VALID) | |
434 | { | |
435 | val |= val_upper << 32; | |
436 | store_unsigned_integer (buf, regsize, byte_order, val); | |
437 | } | |
438 | return status; | |
d0f54f9d | 439 | } |
7803799a | 440 | |
550bdf96 AA |
441 | if (regnum_is_vxr_full (tdep, regnum)) |
442 | { | |
443 | enum register_status status; | |
444 | ||
445 | regnum -= tdep->v0_full_regnum; | |
446 | ||
447 | status = regcache_raw_read (regcache, S390_F0_REGNUM + regnum, buf); | |
448 | if (status == REG_VALID) | |
449 | status = regcache_raw_read (regcache, | |
450 | S390_V0_LOWER_REGNUM + regnum, buf + 8); | |
451 | return status; | |
452 | } | |
453 | ||
7803799a | 454 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
455 | } |
456 | ||
457 | static void | |
7803799a UW |
458 | s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, |
459 | int regnum, const gdb_byte *buf) | |
d0f54f9d | 460 | { |
7803799a | 461 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
e17a4113 | 462 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
7803799a | 463 | int regsize = register_size (gdbarch, regnum); |
d0f54f9d JB |
464 | ULONGEST val, psw; |
465 | ||
7803799a | 466 | if (regnum == tdep->pc_regnum) |
d0f54f9d | 467 | { |
7803799a UW |
468 | val = extract_unsigned_integer (buf, regsize, byte_order); |
469 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
470 | { | |
471 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw); | |
472 | val = (psw & 0x80000000) | (val & 0x7fffffff); | |
473 | } | |
474 | regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val); | |
475 | return; | |
476 | } | |
d0f54f9d | 477 | |
7803799a UW |
478 | if (regnum == tdep->cc_regnum) |
479 | { | |
480 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
d0f54f9d | 481 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw); |
7803799a UW |
482 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) |
483 | val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12); | |
484 | else | |
485 | val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44); | |
486 | regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val); | |
487 | return; | |
488 | } | |
d0f54f9d | 489 | |
2ccd1468 | 490 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
491 | { |
492 | regnum -= tdep->gpr_full_regnum; | |
493 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
494 | regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum, | |
495 | val & 0xffffffff); | |
496 | regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum, | |
497 | val >> 32); | |
498 | return; | |
d0f54f9d | 499 | } |
7803799a | 500 | |
550bdf96 AA |
501 | if (regnum_is_vxr_full (tdep, regnum)) |
502 | { | |
503 | regnum -= tdep->v0_full_regnum; | |
504 | regcache_raw_write (regcache, S390_F0_REGNUM + regnum, buf); | |
505 | regcache_raw_write (regcache, S390_V0_LOWER_REGNUM + regnum, buf + 8); | |
506 | return; | |
507 | } | |
508 | ||
7803799a | 509 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
510 | } |
511 | ||
512 | /* 'float' values are stored in the upper half of floating-point | |
550bdf96 AA |
513 | registers, even though we are otherwise a big-endian platform. The |
514 | same applies to a 'float' value within a vector. */ | |
d0f54f9d | 515 | |
9acbedc0 | 516 | static struct value * |
2ed3c037 UW |
517 | s390_value_from_register (struct gdbarch *gdbarch, struct type *type, |
518 | int regnum, struct frame_id frame_id) | |
d0f54f9d | 519 | { |
550bdf96 | 520 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
2ed3c037 UW |
521 | struct value *value = default_value_from_register (gdbarch, type, |
522 | regnum, frame_id); | |
744a8059 SP |
523 | check_typedef (type); |
524 | ||
550bdf96 AA |
525 | if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM |
526 | && TYPE_LENGTH (type) < 8) | |
527 | || regnum_is_vxr_full (tdep, regnum) | |
528 | || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM)) | |
9acbedc0 | 529 | set_value_offset (value, 0); |
d0f54f9d | 530 | |
9acbedc0 | 531 | return value; |
d0f54f9d JB |
532 | } |
533 | ||
534 | /* Register groups. */ | |
535 | ||
a78f21af | 536 | static int |
7803799a UW |
537 | s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum, |
538 | struct reggroup *group) | |
d0f54f9d JB |
539 | { |
540 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
541 | ||
d6db1fab UW |
542 | /* We usually save/restore the whole PSW, which includes PC and CC. |
543 | However, some older gdbservers may not support saving/restoring | |
544 | the whole PSW yet, and will return an XML register description | |
545 | excluding those from the save/restore register groups. In those | |
546 | cases, we still need to explicitly save/restore PC and CC in order | |
547 | to push or pop frames. Since this doesn't hurt anything if we | |
548 | already save/restore the whole PSW (it's just redundant), we add | |
549 | PC and CC at this point unconditionally. */ | |
d0f54f9d | 550 | if (group == save_reggroup || group == restore_reggroup) |
7803799a | 551 | return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum; |
d0f54f9d | 552 | |
550bdf96 AA |
553 | if (group == vector_reggroup) |
554 | return regnum_is_vxr_full (tdep, regnum); | |
555 | ||
556 | if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum)) | |
557 | return 0; | |
558 | ||
d0f54f9d JB |
559 | return default_register_reggroup_p (gdbarch, regnum, group); |
560 | } | |
561 | ||
562 | ||
6df55226 MK |
563 | /* A helper for s390_software_single_step, decides if an instruction |
564 | is a partial-execution instruction that needs to be executed until | |
565 | completion when in record mode. If it is, returns 1 and writes | |
566 | instruction length to a pointer. */ | |
567 | ||
568 | static int | |
569 | s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len) | |
570 | { | |
571 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
572 | uint16_t insn; | |
573 | ||
574 | insn = read_memory_integer (loc, 2, byte_order); | |
575 | ||
576 | switch (insn >> 8) | |
577 | { | |
578 | case 0xa8: /* MVCLE */ | |
579 | *len = 4; | |
580 | return 1; | |
581 | ||
582 | case 0xeb: | |
583 | { | |
584 | insn = read_memory_integer (loc + 4, 2, byte_order); | |
585 | if ((insn & 0xff) == 0x8e) | |
586 | { | |
587 | /* MVCLU */ | |
588 | *len = 6; | |
589 | return 1; | |
590 | } | |
591 | } | |
592 | break; | |
593 | } | |
594 | ||
595 | switch (insn) | |
596 | { | |
597 | case 0xb255: /* MVST */ | |
598 | case 0xb263: /* CMPSC */ | |
599 | case 0xb2a5: /* TRE */ | |
600 | case 0xb2a6: /* CU21 */ | |
601 | case 0xb2a7: /* CU12 */ | |
602 | case 0xb9b0: /* CU14 */ | |
603 | case 0xb9b1: /* CU24 */ | |
604 | case 0xb9b2: /* CU41 */ | |
605 | case 0xb9b3: /* CU42 */ | |
606 | case 0xb92a: /* KMF */ | |
607 | case 0xb92b: /* KMO */ | |
608 | case 0xb92f: /* KMC */ | |
609 | case 0xb92d: /* KMCTR */ | |
610 | case 0xb92e: /* KM */ | |
611 | case 0xb93c: /* PPNO */ | |
612 | case 0xb990: /* TRTT */ | |
613 | case 0xb991: /* TRTO */ | |
614 | case 0xb992: /* TROT */ | |
615 | case 0xb993: /* TROO */ | |
616 | *len = 4; | |
617 | return 1; | |
618 | } | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
623 | /* Implement the "software_single_step" gdbarch method, needed to single step | |
624 | through instructions like MVCLE in record mode, to make sure they are | |
625 | executed to completion. Without that, record will save the full length | |
626 | of destination buffer on every iteration, even though the CPU will only | |
627 | process about 4kiB of it each time, leading to O(n**2) memory and time | |
628 | complexity. */ | |
629 | ||
630 | static int | |
631 | s390_software_single_step (struct frame_info *frame) | |
632 | { | |
633 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
634 | struct address_space *aspace = get_frame_address_space (frame); | |
635 | CORE_ADDR loc = get_frame_pc (frame); | |
636 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
637 | int len; | |
638 | uint16_t insn; | |
639 | ||
640 | /* Special handling only if recording. */ | |
641 | if (!record_full_is_used ()) | |
642 | return 0; | |
643 | ||
644 | /* First, match a partial instruction. */ | |
645 | if (!s390_is_partial_instruction (gdbarch, loc, &len)) | |
646 | return 0; | |
647 | ||
648 | loc += len; | |
649 | ||
650 | /* Second, look for a branch back to it. */ | |
651 | insn = read_memory_integer (loc, 2, byte_order); | |
652 | if (insn != 0xa714) /* BRC with mask 1 */ | |
653 | return 0; | |
654 | ||
655 | insn = read_memory_integer (loc + 2, 2, byte_order); | |
656 | if (insn != (uint16_t) -(len / 2)) | |
657 | return 0; | |
658 | ||
659 | loc += 4; | |
660 | ||
661 | /* Found it, step past the whole thing. */ | |
662 | ||
663 | insert_single_step_breakpoint (gdbarch, aspace, loc); | |
664 | ||
665 | return 1; | |
666 | } | |
667 | ||
668 | static int | |
669 | s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch, | |
670 | struct displaced_step_closure *closure) | |
671 | { | |
672 | return 1; | |
673 | } | |
674 | ||
675 | ||
2ccd1468 | 676 | /* Maps for register sets. */ |
d0f54f9d | 677 | |
99b7da5d | 678 | static const struct regcache_map_entry s390_gregmap[] = |
2ccd1468 | 679 | { |
99b7da5d AA |
680 | { 1, S390_PSWM_REGNUM }, |
681 | { 1, S390_PSWA_REGNUM }, | |
682 | { 16, S390_R0_REGNUM }, | |
683 | { 16, S390_A0_REGNUM }, | |
684 | { 1, S390_ORIG_R2_REGNUM }, | |
685 | { 0 } | |
2ccd1468 | 686 | }; |
d0f54f9d | 687 | |
99b7da5d | 688 | static const struct regcache_map_entry s390_fpregmap[] = |
2ccd1468 | 689 | { |
99b7da5d AA |
690 | { 1, S390_FPC_REGNUM, 8 }, |
691 | { 16, S390_F0_REGNUM, 8 }, | |
692 | { 0 } | |
2ccd1468 | 693 | }; |
d0f54f9d | 694 | |
99b7da5d | 695 | static const struct regcache_map_entry s390_regmap_upper[] = |
2ccd1468 | 696 | { |
99b7da5d AA |
697 | { 16, S390_R0_UPPER_REGNUM, 4 }, |
698 | { 0 } | |
2ccd1468 | 699 | }; |
7803799a | 700 | |
99b7da5d | 701 | static const struct regcache_map_entry s390_regmap_last_break[] = |
2ccd1468 | 702 | { |
99b7da5d AA |
703 | { 1, REGCACHE_MAP_SKIP, 4 }, |
704 | { 1, S390_LAST_BREAK_REGNUM, 4 }, | |
705 | { 0 } | |
2ccd1468 | 706 | }; |
c642a434 | 707 | |
99b7da5d | 708 | static const struct regcache_map_entry s390x_regmap_last_break[] = |
2ccd1468 | 709 | { |
99b7da5d AA |
710 | { 1, S390_LAST_BREAK_REGNUM, 8 }, |
711 | { 0 } | |
2ccd1468 UW |
712 | }; |
713 | ||
99b7da5d | 714 | static const struct regcache_map_entry s390_regmap_system_call[] = |
2ccd1468 | 715 | { |
99b7da5d AA |
716 | { 1, S390_SYSTEM_CALL_REGNUM, 4 }, |
717 | { 0 } | |
2ccd1468 UW |
718 | }; |
719 | ||
99b7da5d | 720 | static const struct regcache_map_entry s390_regmap_tdb[] = |
2ccd1468 | 721 | { |
99b7da5d AA |
722 | { 1, S390_TDB_DWORD0_REGNUM, 8 }, |
723 | { 1, S390_TDB_ABORT_CODE_REGNUM, 8 }, | |
724 | { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 }, | |
725 | { 1, S390_TDB_ATIA_REGNUM, 8 }, | |
726 | { 12, REGCACHE_MAP_SKIP, 8 }, | |
727 | { 16, S390_TDB_R0_REGNUM, 8 }, | |
728 | { 0 } | |
2ccd1468 | 729 | }; |
c642a434 | 730 | |
550bdf96 AA |
731 | static const struct regcache_map_entry s390_regmap_vxrs_low[] = |
732 | { | |
733 | { 16, S390_V0_LOWER_REGNUM, 8 }, | |
734 | { 0 } | |
735 | }; | |
736 | ||
737 | static const struct regcache_map_entry s390_regmap_vxrs_high[] = | |
738 | { | |
739 | { 16, S390_V16_REGNUM, 16 }, | |
740 | { 0 } | |
741 | }; | |
742 | ||
4ac33720 | 743 | |
99b7da5d AA |
744 | /* Supply the TDB regset. Like regcache_supply_regset, but invalidate |
745 | the TDB registers unless the TDB format field is valid. */ | |
4ac33720 UW |
746 | |
747 | static void | |
748 | s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache, | |
749 | int regnum, const void *regs, size_t len) | |
750 | { | |
751 | ULONGEST tdw; | |
752 | enum register_status ret; | |
753 | int i; | |
754 | ||
99b7da5d | 755 | regcache_supply_regset (regset, regcache, regnum, regs, len); |
4ac33720 UW |
756 | ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw); |
757 | if (ret != REG_VALID || (tdw >> 56) != 1) | |
99b7da5d | 758 | regcache_supply_regset (regset, regcache, regnum, NULL, len); |
d0f54f9d JB |
759 | } |
760 | ||
99b7da5d AA |
761 | const struct regset s390_gregset = { |
762 | s390_gregmap, | |
763 | regcache_supply_regset, | |
764 | regcache_collect_regset | |
d0f54f9d JB |
765 | }; |
766 | ||
99b7da5d AA |
767 | const struct regset s390_fpregset = { |
768 | s390_fpregmap, | |
769 | regcache_supply_regset, | |
770 | regcache_collect_regset | |
d0f54f9d JB |
771 | }; |
772 | ||
7803799a | 773 | static const struct regset s390_upper_regset = { |
34201ae3 | 774 | s390_regmap_upper, |
99b7da5d AA |
775 | regcache_supply_regset, |
776 | regcache_collect_regset | |
7803799a UW |
777 | }; |
778 | ||
99b7da5d | 779 | const struct regset s390_last_break_regset = { |
c642a434 | 780 | s390_regmap_last_break, |
99b7da5d AA |
781 | regcache_supply_regset, |
782 | regcache_collect_regset | |
c642a434 UW |
783 | }; |
784 | ||
99b7da5d | 785 | const struct regset s390x_last_break_regset = { |
c642a434 | 786 | s390x_regmap_last_break, |
99b7da5d AA |
787 | regcache_supply_regset, |
788 | regcache_collect_regset | |
c642a434 UW |
789 | }; |
790 | ||
99b7da5d | 791 | const struct regset s390_system_call_regset = { |
c642a434 | 792 | s390_regmap_system_call, |
99b7da5d AA |
793 | regcache_supply_regset, |
794 | regcache_collect_regset | |
c642a434 UW |
795 | }; |
796 | ||
99b7da5d | 797 | const struct regset s390_tdb_regset = { |
4ac33720 UW |
798 | s390_regmap_tdb, |
799 | s390_supply_tdb_regset, | |
99b7da5d | 800 | regcache_collect_regset |
4ac33720 UW |
801 | }; |
802 | ||
550bdf96 AA |
803 | const struct regset s390_vxrs_low_regset = { |
804 | s390_regmap_vxrs_low, | |
805 | regcache_supply_regset, | |
806 | regcache_collect_regset | |
807 | }; | |
808 | ||
809 | const struct regset s390_vxrs_high_regset = { | |
810 | s390_regmap_vxrs_high, | |
811 | regcache_supply_regset, | |
812 | regcache_collect_regset | |
813 | }; | |
814 | ||
5aa82d05 AA |
815 | /* Iterate over supported core file register note sections. */ |
816 | ||
817 | static void | |
818 | s390_iterate_over_regset_sections (struct gdbarch *gdbarch, | |
819 | iterate_over_regset_sections_cb *cb, | |
820 | void *cb_data, | |
821 | const struct regcache *regcache) | |
822 | { | |
823 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
8f0435f7 AA |
824 | const int gregset_size = (tdep->abi == ABI_LINUX_S390 ? |
825 | s390_sizeof_gregset : s390x_sizeof_gregset); | |
5aa82d05 | 826 | |
8f0435f7 AA |
827 | cb (".reg", gregset_size, &s390_gregset, NULL, cb_data); |
828 | cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data); | |
5aa82d05 AA |
829 | |
830 | if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1) | |
8f0435f7 AA |
831 | cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset, |
832 | "s390 GPR upper halves", cb_data); | |
5aa82d05 AA |
833 | |
834 | if (tdep->have_linux_v1) | |
8f0435f7 AA |
835 | cb (".reg-s390-last-break", 8, |
836 | (gdbarch_ptr_bit (gdbarch) == 32 | |
837 | ? &s390_last_break_regset : &s390x_last_break_regset), | |
838 | "s930 last-break address", cb_data); | |
5aa82d05 AA |
839 | |
840 | if (tdep->have_linux_v2) | |
8f0435f7 AA |
841 | cb (".reg-s390-system-call", 4, &s390_system_call_regset, |
842 | "s390 system-call", cb_data); | |
5aa82d05 AA |
843 | |
844 | /* If regcache is set, we are in "write" (gcore) mode. In this | |
845 | case, don't iterate over the TDB unless its registers are | |
846 | available. */ | |
847 | if (tdep->have_tdb | |
848 | && (regcache == NULL | |
849 | || REG_VALID == regcache_register_status (regcache, | |
850 | S390_TDB_DWORD0_REGNUM))) | |
8f0435f7 AA |
851 | cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset, |
852 | "s390 TDB", cb_data); | |
550bdf96 AA |
853 | |
854 | if (tdep->v0_full_regnum != -1) | |
855 | { | |
856 | cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset, | |
857 | "s390 vector registers 0-15 lower half", cb_data); | |
858 | cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset, | |
859 | "s390 vector registers 16-31", cb_data); | |
860 | } | |
5aa82d05 AA |
861 | } |
862 | ||
7803799a UW |
863 | static const struct target_desc * |
864 | s390_core_read_description (struct gdbarch *gdbarch, | |
865 | struct target_ops *target, bfd *abfd) | |
866 | { | |
7803799a | 867 | asection *section = bfd_get_section_by_name (abfd, ".reg"); |
04a83fee | 868 | CORE_ADDR hwcap = 0; |
550bdf96 | 869 | int high_gprs, v1, v2, te, vx; |
4ac33720 UW |
870 | |
871 | target_auxv_search (target, AT_HWCAP, &hwcap); | |
7803799a UW |
872 | if (!section) |
873 | return NULL; | |
874 | ||
550bdf96 AA |
875 | high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs") |
876 | != NULL); | |
877 | v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL); | |
878 | v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL); | |
879 | vx = (hwcap & HWCAP_S390_VX); | |
880 | te = (hwcap & HWCAP_S390_TE); | |
881 | ||
7803799a UW |
882 | switch (bfd_section_size (abfd, section)) |
883 | { | |
884 | case s390_sizeof_gregset: | |
c642a434 | 885 | if (high_gprs) |
550bdf96 AA |
886 | return (te && vx ? tdesc_s390_tevx_linux64 : |
887 | vx ? tdesc_s390_vx_linux64 : | |
888 | te ? tdesc_s390_te_linux64 : | |
889 | v2 ? tdesc_s390_linux64v2 : | |
890 | v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64); | |
c642a434 | 891 | else |
550bdf96 AA |
892 | return (v2 ? tdesc_s390_linux32v2 : |
893 | v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32); | |
7803799a UW |
894 | |
895 | case s390x_sizeof_gregset: | |
550bdf96 AA |
896 | return (te && vx ? tdesc_s390x_tevx_linux64 : |
897 | vx ? tdesc_s390x_vx_linux64 : | |
898 | te ? tdesc_s390x_te_linux64 : | |
899 | v2 ? tdesc_s390x_linux64v2 : | |
900 | v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64); | |
7803799a UW |
901 | |
902 | default: | |
903 | return NULL; | |
904 | } | |
905 | } | |
906 | ||
d0f54f9d | 907 | |
4bc8c588 JB |
908 | /* Decoding S/390 instructions. */ |
909 | ||
910 | /* Named opcode values for the S/390 instructions we recognize. Some | |
911 | instructions have their opcode split across two fields; those are the | |
912 | op1_* and op2_* enums. */ | |
913 | enum | |
914 | { | |
a8c99f38 JB |
915 | op1_lhi = 0xa7, op2_lhi = 0x08, |
916 | op1_lghi = 0xa7, op2_lghi = 0x09, | |
00ce08ef | 917 | op1_lgfi = 0xc0, op2_lgfi = 0x01, |
4bc8c588 | 918 | op_lr = 0x18, |
a8c99f38 JB |
919 | op_lgr = 0xb904, |
920 | op_l = 0x58, | |
921 | op1_ly = 0xe3, op2_ly = 0x58, | |
922 | op1_lg = 0xe3, op2_lg = 0x04, | |
923 | op_lm = 0x98, | |
924 | op1_lmy = 0xeb, op2_lmy = 0x98, | |
925 | op1_lmg = 0xeb, op2_lmg = 0x04, | |
4bc8c588 | 926 | op_st = 0x50, |
a8c99f38 | 927 | op1_sty = 0xe3, op2_sty = 0x50, |
4bc8c588 | 928 | op1_stg = 0xe3, op2_stg = 0x24, |
a8c99f38 | 929 | op_std = 0x60, |
4bc8c588 | 930 | op_stm = 0x90, |
a8c99f38 | 931 | op1_stmy = 0xeb, op2_stmy = 0x90, |
4bc8c588 | 932 | op1_stmg = 0xeb, op2_stmg = 0x24, |
a8c99f38 JB |
933 | op1_aghi = 0xa7, op2_aghi = 0x0b, |
934 | op1_ahi = 0xa7, op2_ahi = 0x0a, | |
00ce08ef UW |
935 | op1_agfi = 0xc2, op2_agfi = 0x08, |
936 | op1_afi = 0xc2, op2_afi = 0x09, | |
937 | op1_algfi= 0xc2, op2_algfi= 0x0a, | |
938 | op1_alfi = 0xc2, op2_alfi = 0x0b, | |
a8c99f38 JB |
939 | op_ar = 0x1a, |
940 | op_agr = 0xb908, | |
941 | op_a = 0x5a, | |
942 | op1_ay = 0xe3, op2_ay = 0x5a, | |
943 | op1_ag = 0xe3, op2_ag = 0x08, | |
00ce08ef UW |
944 | op1_slgfi= 0xc2, op2_slgfi= 0x04, |
945 | op1_slfi = 0xc2, op2_slfi = 0x05, | |
a8c99f38 JB |
946 | op_sr = 0x1b, |
947 | op_sgr = 0xb909, | |
948 | op_s = 0x5b, | |
949 | op1_sy = 0xe3, op2_sy = 0x5b, | |
950 | op1_sg = 0xe3, op2_sg = 0x09, | |
951 | op_nr = 0x14, | |
952 | op_ngr = 0xb980, | |
953 | op_la = 0x41, | |
954 | op1_lay = 0xe3, op2_lay = 0x71, | |
955 | op1_larl = 0xc0, op2_larl = 0x00, | |
956 | op_basr = 0x0d, | |
957 | op_bas = 0x4d, | |
958 | op_bcr = 0x07, | |
959 | op_bc = 0x0d, | |
1db4e8a0 UW |
960 | op_bctr = 0x06, |
961 | op_bctgr = 0xb946, | |
962 | op_bct = 0x46, | |
963 | op1_bctg = 0xe3, op2_bctg = 0x46, | |
964 | op_bxh = 0x86, | |
965 | op1_bxhg = 0xeb, op2_bxhg = 0x44, | |
966 | op_bxle = 0x87, | |
967 | op1_bxleg= 0xeb, op2_bxleg= 0x45, | |
a8c99f38 JB |
968 | op1_bras = 0xa7, op2_bras = 0x05, |
969 | op1_brasl= 0xc0, op2_brasl= 0x05, | |
970 | op1_brc = 0xa7, op2_brc = 0x04, | |
971 | op1_brcl = 0xc0, op2_brcl = 0x04, | |
1db4e8a0 UW |
972 | op1_brct = 0xa7, op2_brct = 0x06, |
973 | op1_brctg= 0xa7, op2_brctg= 0x07, | |
974 | op_brxh = 0x84, | |
975 | op1_brxhg= 0xec, op2_brxhg= 0x44, | |
976 | op_brxle = 0x85, | |
977 | op1_brxlg= 0xec, op2_brxlg= 0x45, | |
237b092b | 978 | op_svc = 0x0a, |
4bc8c588 JB |
979 | }; |
980 | ||
981 | ||
a8c99f38 JB |
982 | /* Read a single instruction from address AT. */ |
983 | ||
984 | #define S390_MAX_INSTR_SIZE 6 | |
985 | static int | |
986 | s390_readinstruction (bfd_byte instr[], CORE_ADDR at) | |
987 | { | |
988 | static int s390_instrlen[] = { 2, 4, 4, 6 }; | |
989 | int instrlen; | |
990 | ||
8defab1a | 991 | if (target_read_memory (at, &instr[0], 2)) |
a8c99f38 JB |
992 | return -1; |
993 | instrlen = s390_instrlen[instr[0] >> 6]; | |
994 | if (instrlen > 2) | |
995 | { | |
8defab1a | 996 | if (target_read_memory (at + 2, &instr[2], instrlen - 2)) |
34201ae3 | 997 | return -1; |
a8c99f38 JB |
998 | } |
999 | return instrlen; | |
1000 | } | |
1001 | ||
1002 | ||
4bc8c588 JB |
1003 | /* The functions below are for recognizing and decoding S/390 |
1004 | instructions of various formats. Each of them checks whether INSN | |
1005 | is an instruction of the given format, with the specified opcodes. | |
1006 | If it is, it sets the remaining arguments to the values of the | |
1007 | instruction's fields, and returns a non-zero value; otherwise, it | |
1008 | returns zero. | |
1009 | ||
1010 | These functions' arguments appear in the order they appear in the | |
1011 | instruction, not in the machine-language form. So, opcodes always | |
1012 | come first, even though they're sometimes scattered around the | |
1013 | instructions. And displacements appear before base and extension | |
1014 | registers, as they do in the assembly syntax, not at the end, as | |
1015 | they do in the machine language. */ | |
a78f21af | 1016 | static int |
4bc8c588 JB |
1017 | is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2) |
1018 | { | |
1019 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
1020 | { | |
1021 | *r1 = (insn[1] >> 4) & 0xf; | |
1022 | /* i2 is a 16-bit signed quantity. */ | |
1023 | *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000; | |
1024 | return 1; | |
1025 | } | |
1026 | else | |
1027 | return 0; | |
1028 | } | |
8ac0e65a | 1029 | |
5769d3cd | 1030 | |
4bc8c588 JB |
1031 | static int |
1032 | is_ril (bfd_byte *insn, int op1, int op2, | |
34201ae3 | 1033 | unsigned int *r1, int *i2) |
4bc8c588 JB |
1034 | { |
1035 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
1036 | { | |
1037 | *r1 = (insn[1] >> 4) & 0xf; | |
1038 | /* i2 is a signed quantity. If the host 'int' is 32 bits long, | |
34201ae3 UW |
1039 | no sign extension is necessary, but we don't want to assume |
1040 | that. */ | |
4bc8c588 | 1041 | *i2 = (((insn[2] << 24) |
34201ae3 UW |
1042 | | (insn[3] << 16) |
1043 | | (insn[4] << 8) | |
1044 | | (insn[5])) ^ 0x80000000) - 0x80000000; | |
4bc8c588 JB |
1045 | return 1; |
1046 | } | |
1047 | else | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | ||
1052 | static int | |
1053 | is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
1054 | { | |
1055 | if (insn[0] == op) | |
1056 | { | |
1057 | *r1 = (insn[1] >> 4) & 0xf; | |
1058 | *r2 = insn[1] & 0xf; | |
1059 | return 1; | |
1060 | } | |
1061 | else | |
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | ||
1066 | static int | |
1067 | is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
1068 | { | |
1069 | if (((insn[0] << 8) | insn[1]) == op) | |
1070 | { | |
1071 | /* Yes, insn[3]. insn[2] is unused in RRE format. */ | |
1072 | *r1 = (insn[3] >> 4) & 0xf; | |
1073 | *r2 = insn[3] & 0xf; | |
1074 | return 1; | |
1075 | } | |
1076 | else | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | ||
1081 | static int | |
1082 | is_rs (bfd_byte *insn, int op, | |
eb1bd1fb | 1083 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) |
4bc8c588 JB |
1084 | { |
1085 | if (insn[0] == op) | |
1086 | { | |
1087 | *r1 = (insn[1] >> 4) & 0xf; | |
1088 | *r3 = insn[1] & 0xf; | |
1089 | *b2 = (insn[2] >> 4) & 0xf; | |
1090 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
1091 | return 1; | |
1092 | } | |
1093 | else | |
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | ||
1098 | static int | |
a8c99f38 | 1099 | is_rsy (bfd_byte *insn, int op1, int op2, |
34201ae3 | 1100 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) |
4bc8c588 JB |
1101 | { |
1102 | if (insn[0] == op1 | |
4bc8c588 JB |
1103 | && insn[5] == op2) |
1104 | { | |
1105 | *r1 = (insn[1] >> 4) & 0xf; | |
1106 | *r3 = insn[1] & 0xf; | |
1107 | *b2 = (insn[2] >> 4) & 0xf; | |
a8c99f38 | 1108 | /* The 'long displacement' is a 20-bit signed integer. */ |
34201ae3 | 1109 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) |
a8c99f38 | 1110 | ^ 0x80000) - 0x80000; |
4bc8c588 JB |
1111 | return 1; |
1112 | } | |
1113 | else | |
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | ||
1db4e8a0 UW |
1118 | static int |
1119 | is_rsi (bfd_byte *insn, int op, | |
34201ae3 | 1120 | unsigned int *r1, unsigned int *r3, int *i2) |
1db4e8a0 UW |
1121 | { |
1122 | if (insn[0] == op) | |
1123 | { | |
1124 | *r1 = (insn[1] >> 4) & 0xf; | |
1125 | *r3 = insn[1] & 0xf; | |
1126 | /* i2 is a 16-bit signed quantity. */ | |
1127 | *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000; | |
1128 | return 1; | |
1129 | } | |
1130 | else | |
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | ||
1135 | static int | |
1136 | is_rie (bfd_byte *insn, int op1, int op2, | |
34201ae3 | 1137 | unsigned int *r1, unsigned int *r3, int *i2) |
1db4e8a0 UW |
1138 | { |
1139 | if (insn[0] == op1 | |
1140 | && insn[5] == op2) | |
1141 | { | |
1142 | *r1 = (insn[1] >> 4) & 0xf; | |
1143 | *r3 = insn[1] & 0xf; | |
1144 | /* i2 is a 16-bit signed quantity. */ | |
1145 | *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000; | |
1146 | return 1; | |
1147 | } | |
1148 | else | |
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | ||
4bc8c588 JB |
1153 | static int |
1154 | is_rx (bfd_byte *insn, int op, | |
eb1bd1fb | 1155 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) |
4bc8c588 JB |
1156 | { |
1157 | if (insn[0] == op) | |
1158 | { | |
1159 | *r1 = (insn[1] >> 4) & 0xf; | |
1160 | *x2 = insn[1] & 0xf; | |
1161 | *b2 = (insn[2] >> 4) & 0xf; | |
1162 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
1163 | return 1; | |
1164 | } | |
1165 | else | |
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | ||
1170 | static int | |
a8c99f38 | 1171 | is_rxy (bfd_byte *insn, int op1, int op2, |
34201ae3 | 1172 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) |
4bc8c588 JB |
1173 | { |
1174 | if (insn[0] == op1 | |
4bc8c588 JB |
1175 | && insn[5] == op2) |
1176 | { | |
1177 | *r1 = (insn[1] >> 4) & 0xf; | |
1178 | *x2 = insn[1] & 0xf; | |
1179 | *b2 = (insn[2] >> 4) & 0xf; | |
a8c99f38 | 1180 | /* The 'long displacement' is a 20-bit signed integer. */ |
34201ae3 | 1181 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) |
a8c99f38 | 1182 | ^ 0x80000) - 0x80000; |
4bc8c588 JB |
1183 | return 1; |
1184 | } | |
1185 | else | |
1186 | return 0; | |
1187 | } | |
1188 | ||
1189 | ||
3fc46200 | 1190 | /* Prologue analysis. */ |
4bc8c588 | 1191 | |
d0f54f9d JB |
1192 | #define S390_NUM_GPRS 16 |
1193 | #define S390_NUM_FPRS 16 | |
4bc8c588 | 1194 | |
a8c99f38 JB |
1195 | struct s390_prologue_data { |
1196 | ||
ee1b3323 UW |
1197 | /* The stack. */ |
1198 | struct pv_area *stack; | |
1199 | ||
e17a4113 | 1200 | /* The size and byte-order of a GPR or FPR. */ |
a8c99f38 JB |
1201 | int gpr_size; |
1202 | int fpr_size; | |
e17a4113 | 1203 | enum bfd_endian byte_order; |
a8c99f38 JB |
1204 | |
1205 | /* The general-purpose registers. */ | |
3fc46200 | 1206 | pv_t gpr[S390_NUM_GPRS]; |
a8c99f38 JB |
1207 | |
1208 | /* The floating-point registers. */ | |
3fc46200 | 1209 | pv_t fpr[S390_NUM_FPRS]; |
a8c99f38 | 1210 | |
121d8485 UW |
1211 | /* The offset relative to the CFA where the incoming GPR N was saved |
1212 | by the function prologue. 0 if not saved or unknown. */ | |
1213 | int gpr_slot[S390_NUM_GPRS]; | |
4bc8c588 | 1214 | |
121d8485 UW |
1215 | /* Likewise for FPRs. */ |
1216 | int fpr_slot[S390_NUM_FPRS]; | |
4bc8c588 | 1217 | |
121d8485 UW |
1218 | /* Nonzero if the backchain was saved. This is assumed to be the |
1219 | case when the incoming SP is saved at the current SP location. */ | |
1220 | int back_chain_saved_p; | |
1221 | }; | |
4bc8c588 | 1222 | |
3fc46200 UW |
1223 | /* Return the effective address for an X-style instruction, like: |
1224 | ||
34201ae3 | 1225 | L R1, D2(X2, B2) |
3fc46200 UW |
1226 | |
1227 | Here, X2 and B2 are registers, and D2 is a signed 20-bit | |
1228 | constant; the effective address is the sum of all three. If either | |
1229 | X2 or B2 are zero, then it doesn't contribute to the sum --- this | |
1230 | means that r0 can't be used as either X2 or B2. */ | |
1231 | static pv_t | |
1232 | s390_addr (struct s390_prologue_data *data, | |
1233 | int d2, unsigned int x2, unsigned int b2) | |
1234 | { | |
1235 | pv_t result; | |
1236 | ||
1237 | result = pv_constant (d2); | |
1238 | if (x2) | |
1239 | result = pv_add (result, data->gpr[x2]); | |
1240 | if (b2) | |
1241 | result = pv_add (result, data->gpr[b2]); | |
1242 | ||
1243 | return result; | |
1244 | } | |
1245 | ||
1246 | /* Do a SIZE-byte store of VALUE to D2(X2,B2). */ | |
a8c99f38 | 1247 | static void |
3fc46200 UW |
1248 | s390_store (struct s390_prologue_data *data, |
1249 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size, | |
1250 | pv_t value) | |
4bc8c588 | 1251 | { |
3fc46200 | 1252 | pv_t addr = s390_addr (data, d2, x2, b2); |
ee1b3323 | 1253 | pv_t offset; |
121d8485 UW |
1254 | |
1255 | /* Check whether we are storing the backchain. */ | |
3fc46200 | 1256 | offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr); |
121d8485 | 1257 | |
3fc46200 | 1258 | if (pv_is_constant (offset) && offset.k == 0) |
121d8485 | 1259 | if (size == data->gpr_size |
3fc46200 | 1260 | && pv_is_register_k (value, S390_SP_REGNUM, 0)) |
121d8485 UW |
1261 | { |
1262 | data->back_chain_saved_p = 1; | |
1263 | return; | |
1264 | } | |
1265 | ||
1266 | ||
1267 | /* Check whether we are storing a register into the stack. */ | |
ee1b3323 UW |
1268 | if (!pv_area_store_would_trash (data->stack, addr)) |
1269 | pv_area_store (data->stack, addr, size, value); | |
4bc8c588 | 1270 | |
a8c99f38 | 1271 | |
121d8485 UW |
1272 | /* Note: If this is some store we cannot identify, you might think we |
1273 | should forget our cached values, as any of those might have been hit. | |
1274 | ||
1275 | However, we make the assumption that the register save areas are only | |
1276 | ever stored to once in any given function, and we do recognize these | |
1277 | stores. Thus every store we cannot recognize does not hit our data. */ | |
4bc8c588 | 1278 | } |
4bc8c588 | 1279 | |
3fc46200 UW |
1280 | /* Do a SIZE-byte load from D2(X2,B2). */ |
1281 | static pv_t | |
1282 | s390_load (struct s390_prologue_data *data, | |
1283 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size) | |
34201ae3 | 1284 | |
4bc8c588 | 1285 | { |
3fc46200 | 1286 | pv_t addr = s390_addr (data, d2, x2, b2); |
4bc8c588 | 1287 | |
a8c99f38 JB |
1288 | /* If it's a load from an in-line constant pool, then we can |
1289 | simulate that, under the assumption that the code isn't | |
1290 | going to change between the time the processor actually | |
1291 | executed it creating the current frame, and the time when | |
1292 | we're analyzing the code to unwind past that frame. */ | |
3fc46200 | 1293 | if (pv_is_constant (addr)) |
4bc8c588 | 1294 | { |
0542c86d | 1295 | struct target_section *secp; |
3fc46200 | 1296 | secp = target_section_by_addr (¤t_target, addr.k); |
a8c99f38 | 1297 | if (secp != NULL |
34201ae3 | 1298 | && (bfd_get_section_flags (secp->the_bfd_section->owner, |
57e6060e | 1299 | secp->the_bfd_section) |
34201ae3 UW |
1300 | & SEC_READONLY)) |
1301 | return pv_constant (read_memory_integer (addr.k, size, | |
e17a4113 | 1302 | data->byte_order)); |
a8c99f38 | 1303 | } |
7666f43c | 1304 | |
121d8485 | 1305 | /* Check whether we are accessing one of our save slots. */ |
ee1b3323 UW |
1306 | return pv_area_fetch (data->stack, addr, size); |
1307 | } | |
121d8485 | 1308 | |
ee1b3323 UW |
1309 | /* Function for finding saved registers in a 'struct pv_area'; we pass |
1310 | this to pv_area_scan. | |
121d8485 | 1311 | |
ee1b3323 UW |
1312 | If VALUE is a saved register, ADDR says it was saved at a constant |
1313 | offset from the frame base, and SIZE indicates that the whole | |
1314 | register was saved, record its offset in the reg_offset table in | |
1315 | PROLOGUE_UNTYPED. */ | |
1316 | static void | |
c378eb4e MS |
1317 | s390_check_for_saved (void *data_untyped, pv_t addr, |
1318 | CORE_ADDR size, pv_t value) | |
ee1b3323 | 1319 | { |
19ba03f4 | 1320 | struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped; |
ee1b3323 UW |
1321 | int i, offset; |
1322 | ||
1323 | if (!pv_is_register (addr, S390_SP_REGNUM)) | |
1324 | return; | |
1325 | ||
1326 | offset = 16 * data->gpr_size + 32 - addr.k; | |
4bc8c588 | 1327 | |
ee1b3323 UW |
1328 | /* If we are storing the original value of a register, we want to |
1329 | record the CFA offset. If the same register is stored multiple | |
1330 | times, the stack slot with the highest address counts. */ | |
34201ae3 | 1331 | |
ee1b3323 UW |
1332 | for (i = 0; i < S390_NUM_GPRS; i++) |
1333 | if (size == data->gpr_size | |
1334 | && pv_is_register_k (value, S390_R0_REGNUM + i, 0)) | |
1335 | if (data->gpr_slot[i] == 0 | |
1336 | || data->gpr_slot[i] > offset) | |
1337 | { | |
1338 | data->gpr_slot[i] = offset; | |
1339 | return; | |
1340 | } | |
1341 | ||
1342 | for (i = 0; i < S390_NUM_FPRS; i++) | |
1343 | if (size == data->fpr_size | |
1344 | && pv_is_register_k (value, S390_F0_REGNUM + i, 0)) | |
1345 | if (data->fpr_slot[i] == 0 | |
1346 | || data->fpr_slot[i] > offset) | |
1347 | { | |
1348 | data->fpr_slot[i] = offset; | |
1349 | return; | |
1350 | } | |
a8c99f38 | 1351 | } |
4bc8c588 | 1352 | |
a8c99f38 JB |
1353 | /* Analyze the prologue of the function starting at START_PC, |
1354 | continuing at most until CURRENT_PC. Initialize DATA to | |
1355 | hold all information we find out about the state of the registers | |
1356 | and stack slots. Return the address of the instruction after | |
1357 | the last one that changed the SP, FP, or back chain; or zero | |
1358 | on error. */ | |
1359 | static CORE_ADDR | |
1360 | s390_analyze_prologue (struct gdbarch *gdbarch, | |
1361 | CORE_ADDR start_pc, | |
1362 | CORE_ADDR current_pc, | |
1363 | struct s390_prologue_data *data) | |
4bc8c588 | 1364 | { |
a8c99f38 JB |
1365 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
1366 | ||
4bc8c588 | 1367 | /* Our return value: |
a8c99f38 | 1368 | The address of the instruction after the last one that changed |
34201ae3 | 1369 | the SP, FP, or back chain; zero if we got an error trying to |
a8c99f38 JB |
1370 | read memory. */ |
1371 | CORE_ADDR result = start_pc; | |
4bc8c588 | 1372 | |
4bc8c588 JB |
1373 | /* The current PC for our abstract interpretation. */ |
1374 | CORE_ADDR pc; | |
1375 | ||
1376 | /* The address of the next instruction after that. */ | |
1377 | CORE_ADDR next_pc; | |
34201ae3 | 1378 | |
4bc8c588 JB |
1379 | /* Set up everything's initial value. */ |
1380 | { | |
1381 | int i; | |
1382 | ||
55f960e1 | 1383 | data->stack = make_pv_area (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch)); |
ee1b3323 | 1384 | |
a8c99f38 JB |
1385 | /* For the purpose of prologue tracking, we consider the GPR size to |
1386 | be equal to the ABI word size, even if it is actually larger | |
1387 | (i.e. when running a 32-bit binary under a 64-bit kernel). */ | |
1388 | data->gpr_size = word_size; | |
1389 | data->fpr_size = 8; | |
e17a4113 | 1390 | data->byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 | 1391 | |
4bc8c588 | 1392 | for (i = 0; i < S390_NUM_GPRS; i++) |
3fc46200 | 1393 | data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0); |
4bc8c588 JB |
1394 | |
1395 | for (i = 0; i < S390_NUM_FPRS; i++) | |
3fc46200 | 1396 | data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0); |
4bc8c588 | 1397 | |
121d8485 UW |
1398 | for (i = 0; i < S390_NUM_GPRS; i++) |
1399 | data->gpr_slot[i] = 0; | |
1400 | ||
1401 | for (i = 0; i < S390_NUM_FPRS; i++) | |
1402 | data->fpr_slot[i] = 0; | |
4bc8c588 | 1403 | |
121d8485 | 1404 | data->back_chain_saved_p = 0; |
4bc8c588 JB |
1405 | } |
1406 | ||
a8c99f38 JB |
1407 | /* Start interpreting instructions, until we hit the frame's |
1408 | current PC or the first branch instruction. */ | |
1409 | for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc) | |
5769d3cd | 1410 | { |
4bc8c588 | 1411 | bfd_byte insn[S390_MAX_INSTR_SIZE]; |
a788de9b | 1412 | int insn_len = s390_readinstruction (insn, pc); |
4bc8c588 | 1413 | |
3fc46200 UW |
1414 | bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 }; |
1415 | bfd_byte *insn32 = word_size == 4 ? insn : dummy; | |
1416 | bfd_byte *insn64 = word_size == 8 ? insn : dummy; | |
1417 | ||
4bc8c588 | 1418 | /* Fields for various kinds of instructions. */ |
a8c99f38 JB |
1419 | unsigned int b2, r1, r2, x2, r3; |
1420 | int i2, d2; | |
4bc8c588 | 1421 | |
121d8485 | 1422 | /* The values of SP and FP before this instruction, |
34201ae3 | 1423 | for detecting instructions that change them. */ |
3fc46200 | 1424 | pv_t pre_insn_sp, pre_insn_fp; |
121d8485 UW |
1425 | /* Likewise for the flag whether the back chain was saved. */ |
1426 | int pre_insn_back_chain_saved_p; | |
4bc8c588 JB |
1427 | |
1428 | /* If we got an error trying to read the instruction, report it. */ | |
1429 | if (insn_len < 0) | |
34201ae3 UW |
1430 | { |
1431 | result = 0; | |
1432 | break; | |
1433 | } | |
4bc8c588 JB |
1434 | |
1435 | next_pc = pc + insn_len; | |
1436 | ||
a8c99f38 JB |
1437 | pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
1438 | pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
121d8485 | 1439 | pre_insn_back_chain_saved_p = data->back_chain_saved_p; |
4bc8c588 | 1440 | |
4bc8c588 | 1441 | |
3fc46200 UW |
1442 | /* LHI r1, i2 --- load halfword immediate. */ |
1443 | /* LGHI r1, i2 --- load halfword immediate (64-bit version). */ | |
1444 | /* LGFI r1, i2 --- load fullword immediate. */ | |
1445 | if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2) | |
34201ae3 UW |
1446 | || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2) |
1447 | || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2)) | |
3fc46200 UW |
1448 | data->gpr[r1] = pv_constant (i2); |
1449 | ||
1450 | /* LR r1, r2 --- load from register. */ | |
1451 | /* LGR r1, r2 --- load from register (64-bit version). */ | |
1452 | else if (is_rr (insn32, op_lr, &r1, &r2) | |
1453 | || is_rre (insn64, op_lgr, &r1, &r2)) | |
1454 | data->gpr[r1] = data->gpr[r2]; | |
1455 | ||
1456 | /* L r1, d2(x2, b2) --- load. */ | |
1457 | /* LY r1, d2(x2, b2) --- load (long-displacement version). */ | |
1458 | /* LG r1, d2(x2, b2) --- load (64-bit version). */ | |
1459 | else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2) | |
1460 | || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2) | |
1461 | || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2)) | |
1462 | data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size); | |
1463 | ||
1464 | /* ST r1, d2(x2, b2) --- store. */ | |
1465 | /* STY r1, d2(x2, b2) --- store (long-displacement version). */ | |
1466 | /* STG r1, d2(x2, b2) --- store (64-bit version). */ | |
1467 | else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2) | |
1468 | || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2) | |
1469 | || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2)) | |
1470 | s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]); | |
1471 | ||
1472 | /* STD r1, d2(x2,b2) --- store floating-point register. */ | |
4bc8c588 | 1473 | else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2)) |
3fc46200 UW |
1474 | s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]); |
1475 | ||
1476 | /* STM r1, r3, d2(b2) --- store multiple. */ | |
c378eb4e MS |
1477 | /* STMY r1, r3, d2(b2) --- store multiple (long-displacement |
1478 | version). */ | |
3fc46200 UW |
1479 | /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */ |
1480 | else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2) | |
1481 | || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2) | |
1482 | || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2)) | |
34201ae3 UW |
1483 | { |
1484 | for (; r1 <= r3; r1++, d2 += data->gpr_size) | |
3fc46200 | 1485 | s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]); |
34201ae3 | 1486 | } |
4bc8c588 | 1487 | |
3fc46200 UW |
1488 | /* AHI r1, i2 --- add halfword immediate. */ |
1489 | /* AGHI r1, i2 --- add halfword immediate (64-bit version). */ | |
1490 | /* AFI r1, i2 --- add fullword immediate. */ | |
1491 | /* AGFI r1, i2 --- add fullword immediate (64-bit version). */ | |
1492 | else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2) | |
1493 | || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2) | |
1494 | || is_ril (insn32, op1_afi, op2_afi, &r1, &i2) | |
1495 | || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2)) | |
1496 | data->gpr[r1] = pv_add_constant (data->gpr[r1], i2); | |
1497 | ||
1498 | /* ALFI r1, i2 --- add logical immediate. */ | |
1499 | /* ALGFI r1, i2 --- add logical immediate (64-bit version). */ | |
1500 | else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2) | |
1501 | || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2)) | |
1502 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
1503 | (CORE_ADDR)i2 & 0xffffffff); | |
1504 | ||
1505 | /* AR r1, r2 -- add register. */ | |
1506 | /* AGR r1, r2 -- add register (64-bit version). */ | |
1507 | else if (is_rr (insn32, op_ar, &r1, &r2) | |
1508 | || is_rre (insn64, op_agr, &r1, &r2)) | |
1509 | data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]); | |
1510 | ||
1511 | /* A r1, d2(x2, b2) -- add. */ | |
1512 | /* AY r1, d2(x2, b2) -- add (long-displacement version). */ | |
1513 | /* AG r1, d2(x2, b2) -- add (64-bit version). */ | |
1514 | else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2) | |
1515 | || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2) | |
1516 | || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2)) | |
1517 | data->gpr[r1] = pv_add (data->gpr[r1], | |
1518 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
1519 | ||
1520 | /* SLFI r1, i2 --- subtract logical immediate. */ | |
1521 | /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */ | |
1522 | else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2) | |
1523 | || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2)) | |
1524 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
1525 | -((CORE_ADDR)i2 & 0xffffffff)); | |
1526 | ||
1527 | /* SR r1, r2 -- subtract register. */ | |
1528 | /* SGR r1, r2 -- subtract register (64-bit version). */ | |
1529 | else if (is_rr (insn32, op_sr, &r1, &r2) | |
1530 | || is_rre (insn64, op_sgr, &r1, &r2)) | |
1531 | data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]); | |
1532 | ||
1533 | /* S r1, d2(x2, b2) -- subtract. */ | |
1534 | /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */ | |
1535 | /* SG r1, d2(x2, b2) -- subtract (64-bit version). */ | |
1536 | else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2) | |
1537 | || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2) | |
1538 | || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2)) | |
1539 | data->gpr[r1] = pv_subtract (data->gpr[r1], | |
1540 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
1541 | ||
1542 | /* LA r1, d2(x2, b2) --- load address. */ | |
1543 | /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */ | |
1544 | else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2) | |
34201ae3 | 1545 | || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2)) |
3fc46200 UW |
1546 | data->gpr[r1] = s390_addr (data, d2, x2, b2); |
1547 | ||
1548 | /* LARL r1, i2 --- load address relative long. */ | |
a8c99f38 | 1549 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) |
3fc46200 | 1550 | data->gpr[r1] = pv_constant (pc + i2 * 2); |
a8c99f38 | 1551 | |
3fc46200 | 1552 | /* BASR r1, 0 --- branch and save. |
34201ae3 | 1553 | Since r2 is zero, this saves the PC in r1, but doesn't branch. */ |
a8c99f38 | 1554 | else if (is_rr (insn, op_basr, &r1, &r2) |
34201ae3 | 1555 | && r2 == 0) |
3fc46200 | 1556 | data->gpr[r1] = pv_constant (next_pc); |
a8c99f38 | 1557 | |
3fc46200 | 1558 | /* BRAS r1, i2 --- branch relative and save. */ |
a8c99f38 | 1559 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)) |
34201ae3 UW |
1560 | { |
1561 | data->gpr[r1] = pv_constant (next_pc); | |
1562 | next_pc = pc + i2 * 2; | |
4bc8c588 | 1563 | |
34201ae3 UW |
1564 | /* We'd better not interpret any backward branches. We'll |
1565 | never terminate. */ | |
1566 | if (next_pc <= pc) | |
1567 | break; | |
1568 | } | |
4bc8c588 | 1569 | |
a8c99f38 JB |
1570 | /* Terminate search when hitting any other branch instruction. */ |
1571 | else if (is_rr (insn, op_basr, &r1, &r2) | |
1572 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2) | |
1573 | || is_rr (insn, op_bcr, &r1, &r2) | |
1574 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
1575 | || is_ri (insn, op1_brc, op2_brc, &r1, &i2) | |
1576 | || is_ril (insn, op1_brcl, op2_brcl, &r1, &i2) | |
1577 | || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2)) | |
1578 | break; | |
1579 | ||
4bc8c588 | 1580 | else |
d4fb63e1 TT |
1581 | { |
1582 | /* An instruction we don't know how to simulate. The only | |
1583 | safe thing to do would be to set every value we're tracking | |
1584 | to 'unknown'. Instead, we'll be optimistic: we assume that | |
1585 | we *can* interpret every instruction that the compiler uses | |
1586 | to manipulate any of the data we're interested in here -- | |
1587 | then we can just ignore anything else. */ | |
1588 | } | |
4bc8c588 JB |
1589 | |
1590 | /* Record the address after the last instruction that changed | |
34201ae3 UW |
1591 | the FP, SP, or backlink. Ignore instructions that changed |
1592 | them back to their original values --- those are probably | |
1593 | restore instructions. (The back chain is never restored, | |
1594 | just popped.) */ | |
4bc8c588 | 1595 | { |
34201ae3 UW |
1596 | pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
1597 | pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
1598 | ||
1599 | if ((! pv_is_identical (pre_insn_sp, sp) | |
1600 | && ! pv_is_register_k (sp, S390_SP_REGNUM, 0) | |
3fc46200 | 1601 | && sp.kind != pvk_unknown) |
34201ae3 UW |
1602 | || (! pv_is_identical (pre_insn_fp, fp) |
1603 | && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0) | |
3fc46200 | 1604 | && fp.kind != pvk_unknown) |
34201ae3 UW |
1605 | || pre_insn_back_chain_saved_p != data->back_chain_saved_p) |
1606 | result = next_pc; | |
4bc8c588 | 1607 | } |
5769d3cd | 1608 | } |
4bc8c588 | 1609 | |
ee1b3323 UW |
1610 | /* Record where all the registers were saved. */ |
1611 | pv_area_scan (data->stack, s390_check_for_saved, data); | |
1612 | ||
1613 | free_pv_area (data->stack); | |
1614 | data->stack = NULL; | |
1615 | ||
4bc8c588 | 1616 | return result; |
5769d3cd AC |
1617 | } |
1618 | ||
34201ae3 | 1619 | /* Advance PC across any function entry prologue instructions to reach |
a8c99f38 JB |
1620 | some "real" code. */ |
1621 | static CORE_ADDR | |
6093d2eb | 1622 | s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc) |
a8c99f38 JB |
1623 | { |
1624 | struct s390_prologue_data data; | |
f054145e AA |
1625 | CORE_ADDR skip_pc, func_addr; |
1626 | ||
1627 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL)) | |
1628 | { | |
1629 | CORE_ADDR post_prologue_pc | |
1630 | = skip_prologue_using_sal (gdbarch, func_addr); | |
1631 | if (post_prologue_pc != 0) | |
1632 | return max (pc, post_prologue_pc); | |
1633 | } | |
1634 | ||
6093d2eb | 1635 | skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data); |
a8c99f38 JB |
1636 | return skip_pc ? skip_pc : pc; |
1637 | } | |
1638 | ||
c9cf6e20 | 1639 | /* Implmement the stack_frame_destroyed_p gdbarch method. */ |
d0f54f9d | 1640 | static int |
c9cf6e20 | 1641 | s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc) |
d0f54f9d JB |
1642 | { |
1643 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
1644 | ||
1645 | /* In frameless functions, there's not frame to destroy and thus | |
1646 | we don't care about the epilogue. | |
1647 | ||
1648 | In functions with frame, the epilogue sequence is a pair of | |
1649 | a LM-type instruction that restores (amongst others) the | |
1650 | return register %r14 and the stack pointer %r15, followed | |
1651 | by a branch 'br %r14' --or equivalent-- that effects the | |
1652 | actual return. | |
1653 | ||
1654 | In that situation, this function needs to return 'true' in | |
1655 | exactly one case: when pc points to that branch instruction. | |
1656 | ||
1657 | Thus we try to disassemble the one instructions immediately | |
177b42fe | 1658 | preceding pc and check whether it is an LM-type instruction |
d0f54f9d JB |
1659 | modifying the stack pointer. |
1660 | ||
1661 | Note that disassembling backwards is not reliable, so there | |
1662 | is a slight chance of false positives here ... */ | |
1663 | ||
1664 | bfd_byte insn[6]; | |
1665 | unsigned int r1, r3, b2; | |
1666 | int d2; | |
1667 | ||
1668 | if (word_size == 4 | |
8defab1a | 1669 | && !target_read_memory (pc - 4, insn, 4) |
d0f54f9d JB |
1670 | && is_rs (insn, op_lm, &r1, &r3, &d2, &b2) |
1671 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
1672 | return 1; | |
1673 | ||
a8c99f38 | 1674 | if (word_size == 4 |
8defab1a | 1675 | && !target_read_memory (pc - 6, insn, 6) |
a8c99f38 JB |
1676 | && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2) |
1677 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
1678 | return 1; | |
1679 | ||
d0f54f9d | 1680 | if (word_size == 8 |
8defab1a | 1681 | && !target_read_memory (pc - 6, insn, 6) |
a8c99f38 | 1682 | && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2) |
d0f54f9d JB |
1683 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) |
1684 | return 1; | |
1685 | ||
1686 | return 0; | |
1687 | } | |
5769d3cd | 1688 | |
1db4e8a0 UW |
1689 | /* Displaced stepping. */ |
1690 | ||
5ac21343 PA |
1691 | /* Return true if INSN is a non-branch RIL-b or RIL-c format |
1692 | instruction. */ | |
1693 | ||
1694 | static int | |
1695 | is_non_branch_ril (gdb_byte *insn) | |
1696 | { | |
1697 | gdb_byte op1 = insn[0]; | |
1698 | ||
1699 | if (op1 == 0xc4) | |
1700 | { | |
1701 | gdb_byte op2 = insn[1] & 0x0f; | |
1702 | ||
1703 | switch (op2) | |
1704 | { | |
1705 | case 0x02: /* llhrl */ | |
1706 | case 0x04: /* lghrl */ | |
1707 | case 0x05: /* lhrl */ | |
1708 | case 0x06: /* llghrl */ | |
1709 | case 0x07: /* sthrl */ | |
1710 | case 0x08: /* lgrl */ | |
1711 | case 0x0b: /* stgrl */ | |
1712 | case 0x0c: /* lgfrl */ | |
1713 | case 0x0d: /* lrl */ | |
1714 | case 0x0e: /* llgfrl */ | |
1715 | case 0x0f: /* strl */ | |
1716 | return 1; | |
1717 | } | |
1718 | } | |
1719 | else if (op1 == 0xc6) | |
1720 | { | |
1721 | gdb_byte op2 = insn[1] & 0x0f; | |
1722 | ||
1723 | switch (op2) | |
1724 | { | |
1725 | case 0x00: /* exrl */ | |
1726 | case 0x02: /* pfdrl */ | |
1727 | case 0x04: /* cghrl */ | |
1728 | case 0x05: /* chrl */ | |
1729 | case 0x06: /* clghrl */ | |
1730 | case 0x07: /* clhrl */ | |
1731 | case 0x08: /* cgrl */ | |
1732 | case 0x0a: /* clgrl */ | |
1733 | case 0x0c: /* cgfrl */ | |
1734 | case 0x0d: /* crl */ | |
1735 | case 0x0e: /* clgfrl */ | |
1736 | case 0x0f: /* clrl */ | |
1737 | return 1; | |
1738 | } | |
1739 | } | |
1740 | ||
1741 | return 0; | |
1742 | } | |
1743 | ||
1744 | /* Implementation of gdbarch_displaced_step_copy_insn. */ | |
1745 | ||
1746 | static struct displaced_step_closure * | |
1747 | s390_displaced_step_copy_insn (struct gdbarch *gdbarch, | |
1748 | CORE_ADDR from, CORE_ADDR to, | |
1749 | struct regcache *regs) | |
1750 | { | |
1751 | size_t len = gdbarch_max_insn_length (gdbarch); | |
224c3ddb | 1752 | gdb_byte *buf = (gdb_byte *) xmalloc (len); |
5ac21343 PA |
1753 | struct cleanup *old_chain = make_cleanup (xfree, buf); |
1754 | ||
1755 | read_memory (from, buf, len); | |
1756 | ||
1757 | /* Adjust the displacement field of PC-relative RIL instructions, | |
1758 | except branches. The latter are handled in the fixup hook. */ | |
1759 | if (is_non_branch_ril (buf)) | |
1760 | { | |
1761 | LONGEST offset; | |
1762 | ||
1763 | offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG); | |
1764 | offset = (from - to + offset * 2) / 2; | |
1765 | ||
1766 | /* If the instruction is too far from the jump pad, punt. This | |
1767 | will usually happen with instructions in shared libraries. | |
1768 | We could probably support these by rewriting them to be | |
1769 | absolute or fully emulating them. */ | |
1770 | if (offset < INT32_MIN || offset > INT32_MAX) | |
1771 | { | |
1772 | /* Let the core fall back to stepping over the breakpoint | |
1773 | in-line. */ | |
1774 | if (debug_displaced) | |
1775 | { | |
1776 | fprintf_unfiltered (gdb_stdlog, | |
1777 | "displaced: can't displaced step " | |
1778 | "RIL instruction: offset %s out of range\n", | |
1779 | plongest (offset)); | |
1780 | } | |
1781 | do_cleanups (old_chain); | |
1782 | return NULL; | |
1783 | } | |
1784 | ||
1785 | store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset); | |
1786 | } | |
1787 | ||
1788 | write_memory (to, buf, len); | |
1789 | ||
1790 | if (debug_displaced) | |
1791 | { | |
1792 | fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ", | |
1793 | paddress (gdbarch, from), paddress (gdbarch, to)); | |
1794 | displaced_step_dump_bytes (gdb_stdlog, buf, len); | |
1795 | } | |
1796 | ||
1797 | discard_cleanups (old_chain); | |
1798 | return (struct displaced_step_closure *) buf; | |
1799 | } | |
1800 | ||
1db4e8a0 UW |
1801 | /* Fix up the state of registers and memory after having single-stepped |
1802 | a displaced instruction. */ | |
1803 | static void | |
1804 | s390_displaced_step_fixup (struct gdbarch *gdbarch, | |
1805 | struct displaced_step_closure *closure, | |
1806 | CORE_ADDR from, CORE_ADDR to, | |
1807 | struct regcache *regs) | |
1808 | { | |
5ac21343 | 1809 | /* Our closure is a copy of the instruction. */ |
1db4e8a0 UW |
1810 | gdb_byte *insn = (gdb_byte *) closure; |
1811 | static int s390_instrlen[] = { 2, 4, 4, 6 }; | |
1812 | int insnlen = s390_instrlen[insn[0] >> 6]; | |
1813 | ||
1814 | /* Fields for various kinds of instructions. */ | |
1815 | unsigned int b2, r1, r2, x2, r3; | |
1816 | int i2, d2; | |
1817 | ||
1818 | /* Get current PC and addressing mode bit. */ | |
1819 | CORE_ADDR pc = regcache_read_pc (regs); | |
beaabab2 | 1820 | ULONGEST amode = 0; |
1db4e8a0 UW |
1821 | |
1822 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1823 | { | |
1824 | regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode); | |
1825 | amode &= 0x80000000; | |
1826 | } | |
1827 | ||
1828 | if (debug_displaced) | |
1829 | fprintf_unfiltered (gdb_stdlog, | |
0161e4b9 | 1830 | "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n", |
1db4e8a0 | 1831 | paddress (gdbarch, from), paddress (gdbarch, to), |
0161e4b9 | 1832 | paddress (gdbarch, pc), insnlen, (int) amode); |
1db4e8a0 UW |
1833 | |
1834 | /* Handle absolute branch and save instructions. */ | |
1835 | if (is_rr (insn, op_basr, &r1, &r2) | |
1836 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)) | |
1837 | { | |
1838 | /* Recompute saved return address in R1. */ | |
1839 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
1840 | amode | (from + insnlen)); | |
1841 | } | |
1842 | ||
1843 | /* Handle absolute branch instructions. */ | |
1844 | else if (is_rr (insn, op_bcr, &r1, &r2) | |
1845 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
1846 | || is_rr (insn, op_bctr, &r1, &r2) | |
1847 | || is_rre (insn, op_bctgr, &r1, &r2) | |
1848 | || is_rx (insn, op_bct, &r1, &d2, &x2, &b2) | |
1849 | || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2) | |
1850 | || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2) | |
1851 | || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2) | |
1852 | || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2) | |
1853 | || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2)) | |
1854 | { | |
1855 | /* Update PC iff branch was *not* taken. */ | |
1856 | if (pc == to + insnlen) | |
1857 | regcache_write_pc (regs, from + insnlen); | |
1858 | } | |
1859 | ||
1860 | /* Handle PC-relative branch and save instructions. */ | |
1861 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2) | |
34201ae3 | 1862 | || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2)) |
1db4e8a0 UW |
1863 | { |
1864 | /* Update PC. */ | |
1865 | regcache_write_pc (regs, pc - to + from); | |
1866 | /* Recompute saved return address in R1. */ | |
1867 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
1868 | amode | (from + insnlen)); | |
1869 | } | |
1870 | ||
1871 | /* Handle PC-relative branch instructions. */ | |
1872 | else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2) | |
1873 | || is_ril (insn, op1_brcl, op2_brcl, &r1, &i2) | |
1874 | || is_ri (insn, op1_brct, op2_brct, &r1, &i2) | |
1875 | || is_ri (insn, op1_brctg, op2_brctg, &r1, &i2) | |
1876 | || is_rsi (insn, op_brxh, &r1, &r3, &i2) | |
1877 | || is_rie (insn, op1_brxhg, op2_brxhg, &r1, &r3, &i2) | |
1878 | || is_rsi (insn, op_brxle, &r1, &r3, &i2) | |
1879 | || is_rie (insn, op1_brxlg, op2_brxlg, &r1, &r3, &i2)) | |
1880 | { | |
1881 | /* Update PC. */ | |
1882 | regcache_write_pc (regs, pc - to + from); | |
1883 | } | |
1884 | ||
1885 | /* Handle LOAD ADDRESS RELATIVE LONG. */ | |
1886 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) | |
1887 | { | |
0161e4b9 UW |
1888 | /* Update PC. */ |
1889 | regcache_write_pc (regs, from + insnlen); | |
34201ae3 | 1890 | /* Recompute output address in R1. */ |
1db4e8a0 | 1891 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, |
0161e4b9 | 1892 | amode | (from + i2 * 2)); |
1db4e8a0 UW |
1893 | } |
1894 | ||
1895 | /* If we executed a breakpoint instruction, point PC right back at it. */ | |
1896 | else if (insn[0] == 0x0 && insn[1] == 0x1) | |
1897 | regcache_write_pc (regs, from); | |
1898 | ||
1899 | /* For any other insn, PC points right after the original instruction. */ | |
1900 | else | |
1901 | regcache_write_pc (regs, from + insnlen); | |
0161e4b9 UW |
1902 | |
1903 | if (debug_displaced) | |
1904 | fprintf_unfiltered (gdb_stdlog, | |
1905 | "displaced: (s390) pc is now %s\n", | |
1906 | paddress (gdbarch, regcache_read_pc (regs))); | |
1db4e8a0 | 1907 | } |
a8c99f38 | 1908 | |
d6db1fab UW |
1909 | |
1910 | /* Helper routine to unwind pseudo registers. */ | |
1911 | ||
1912 | static struct value * | |
1913 | s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum) | |
1914 | { | |
1915 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
1916 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1917 | struct type *type = register_type (gdbarch, regnum); | |
1918 | ||
1919 | /* Unwind PC via PSW address. */ | |
1920 | if (regnum == tdep->pc_regnum) | |
1921 | { | |
1922 | struct value *val; | |
1923 | ||
1924 | val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM); | |
1925 | if (!value_optimized_out (val)) | |
1926 | { | |
1927 | LONGEST pswa = value_as_long (val); | |
1928 | ||
1929 | if (TYPE_LENGTH (type) == 4) | |
1930 | return value_from_pointer (type, pswa & 0x7fffffff); | |
1931 | else | |
1932 | return value_from_pointer (type, pswa); | |
1933 | } | |
1934 | } | |
1935 | ||
1936 | /* Unwind CC via PSW mask. */ | |
1937 | if (regnum == tdep->cc_regnum) | |
1938 | { | |
1939 | struct value *val; | |
1940 | ||
1941 | val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM); | |
1942 | if (!value_optimized_out (val)) | |
1943 | { | |
1944 | LONGEST pswm = value_as_long (val); | |
1945 | ||
1946 | if (TYPE_LENGTH (type) == 4) | |
1947 | return value_from_longest (type, (pswm >> 12) & 3); | |
1948 | else | |
1949 | return value_from_longest (type, (pswm >> 44) & 3); | |
1950 | } | |
1951 | } | |
1952 | ||
1953 | /* Unwind full GPRs to show at least the lower halves (as the | |
1954 | upper halves are undefined). */ | |
2ccd1468 | 1955 | if (regnum_is_gpr_full (tdep, regnum)) |
d6db1fab UW |
1956 | { |
1957 | int reg = regnum - tdep->gpr_full_regnum; | |
1958 | struct value *val; | |
1959 | ||
1960 | val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg); | |
1961 | if (!value_optimized_out (val)) | |
1962 | return value_cast (type, val); | |
1963 | } | |
1964 | ||
1965 | return allocate_optimized_out_value (type); | |
1966 | } | |
1967 | ||
1968 | static struct value * | |
1969 | s390_trad_frame_prev_register (struct frame_info *this_frame, | |
1970 | struct trad_frame_saved_reg saved_regs[], | |
1971 | int regnum) | |
1972 | { | |
1973 | if (regnum < S390_NUM_REGS) | |
1974 | return trad_frame_get_prev_register (this_frame, saved_regs, regnum); | |
1975 | else | |
1976 | return s390_unwind_pseudo_register (this_frame, regnum); | |
1977 | } | |
1978 | ||
1979 | ||
a8c99f38 JB |
1980 | /* Normal stack frames. */ |
1981 | ||
1982 | struct s390_unwind_cache { | |
1983 | ||
1984 | CORE_ADDR func; | |
1985 | CORE_ADDR frame_base; | |
1986 | CORE_ADDR local_base; | |
1987 | ||
1988 | struct trad_frame_saved_reg *saved_regs; | |
1989 | }; | |
1990 | ||
a78f21af | 1991 | static int |
f089c433 | 1992 | s390_prologue_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 1993 | struct s390_unwind_cache *info) |
5769d3cd | 1994 | { |
f089c433 | 1995 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 JB |
1996 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
1997 | struct s390_prologue_data data; | |
3fc46200 UW |
1998 | pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; |
1999 | pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; | |
121d8485 UW |
2000 | int i; |
2001 | CORE_ADDR cfa; | |
a8c99f38 JB |
2002 | CORE_ADDR func; |
2003 | CORE_ADDR result; | |
2004 | ULONGEST reg; | |
2005 | CORE_ADDR prev_sp; | |
2006 | int frame_pointer; | |
2007 | int size; | |
edb3359d | 2008 | struct frame_info *next_frame; |
a8c99f38 JB |
2009 | |
2010 | /* Try to find the function start address. If we can't find it, we don't | |
2011 | bother searching for it -- with modern compilers this would be mostly | |
2012 | pointless anyway. Trust that we'll either have valid DWARF-2 CFI data | |
2013 | or else a valid backchain ... */ | |
f089c433 | 2014 | func = get_frame_func (this_frame); |
a8c99f38 JB |
2015 | if (!func) |
2016 | return 0; | |
5769d3cd | 2017 | |
a8c99f38 JB |
2018 | /* Try to analyze the prologue. */ |
2019 | result = s390_analyze_prologue (gdbarch, func, | |
f089c433 | 2020 | get_frame_pc (this_frame), &data); |
a8c99f38 | 2021 | if (!result) |
5769d3cd | 2022 | return 0; |
5769d3cd | 2023 | |
a8c99f38 | 2024 | /* If this was successful, we should have found the instruction that |
34201ae3 | 2025 | sets the stack pointer register to the previous value of the stack |
a8c99f38 | 2026 | pointer minus the frame size. */ |
3fc46200 | 2027 | if (!pv_is_register (*sp, S390_SP_REGNUM)) |
5769d3cd | 2028 | return 0; |
a8c99f38 | 2029 | |
34201ae3 | 2030 | /* A frame size of zero at this point can mean either a real |
a8c99f38 | 2031 | frameless function, or else a failure to find the prologue. |
34201ae3 | 2032 | Perform some sanity checks to verify we really have a |
a8c99f38 JB |
2033 | frameless function. */ |
2034 | if (sp->k == 0) | |
5769d3cd | 2035 | { |
34201ae3 UW |
2036 | /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame |
2037 | size zero. This is only possible if the next frame is a sentinel | |
a8c99f38 | 2038 | frame, a dummy frame, or a signal trampoline frame. */ |
0e100dab AC |
2039 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be |
2040 | needed, instead the code should simpliy rely on its | |
2041 | analysis. */ | |
edb3359d DJ |
2042 | next_frame = get_next_frame (this_frame); |
2043 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2044 | next_frame = get_next_frame (next_frame); | |
2045 | if (next_frame | |
f089c433 | 2046 | && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME) |
5769d3cd | 2047 | return 0; |
5769d3cd | 2048 | |
a8c99f38 JB |
2049 | /* If we really have a frameless function, %r14 must be valid |
2050 | -- in particular, it must point to a different function. */ | |
f089c433 | 2051 | reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM); |
a8c99f38 JB |
2052 | reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1; |
2053 | if (get_pc_function_start (reg) == func) | |
5769d3cd | 2054 | { |
a8c99f38 JB |
2055 | /* However, there is one case where it *is* valid for %r14 |
2056 | to point to the same function -- if this is a recursive | |
2057 | call, and we have stopped in the prologue *before* the | |
2058 | stack frame was allocated. | |
2059 | ||
2060 | Recognize this case by looking ahead a bit ... */ | |
5769d3cd | 2061 | |
a8c99f38 | 2062 | struct s390_prologue_data data2; |
3fc46200 | 2063 | pv_t *sp = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
a8c99f38 JB |
2064 | |
2065 | if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2) | |
34201ae3 UW |
2066 | && pv_is_register (*sp, S390_SP_REGNUM) |
2067 | && sp->k != 0)) | |
a8c99f38 | 2068 | return 0; |
5769d3cd | 2069 | } |
5769d3cd | 2070 | } |
5769d3cd AC |
2071 | |
2072 | ||
a8c99f38 JB |
2073 | /* OK, we've found valid prologue data. */ |
2074 | size = -sp->k; | |
5769d3cd | 2075 | |
a8c99f38 JB |
2076 | /* If the frame pointer originally also holds the same value |
2077 | as the stack pointer, we're probably using it. If it holds | |
2078 | some other value -- even a constant offset -- it is most | |
2079 | likely used as temp register. */ | |
3fc46200 | 2080 | if (pv_is_identical (*sp, *fp)) |
a8c99f38 JB |
2081 | frame_pointer = S390_FRAME_REGNUM; |
2082 | else | |
2083 | frame_pointer = S390_SP_REGNUM; | |
2084 | ||
34201ae3 UW |
2085 | /* If we've detected a function with stack frame, we'll still have to |
2086 | treat it as frameless if we're currently within the function epilog | |
c378eb4e | 2087 | code at a point where the frame pointer has already been restored. |
a8c99f38 | 2088 | This can only happen in an innermost frame. */ |
0e100dab AC |
2089 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed, |
2090 | instead the code should simpliy rely on its analysis. */ | |
edb3359d DJ |
2091 | next_frame = get_next_frame (this_frame); |
2092 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2093 | next_frame = get_next_frame (next_frame); | |
f089c433 | 2094 | if (size > 0 |
edb3359d | 2095 | && (next_frame == NULL |
f089c433 | 2096 | || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME)) |
5769d3cd | 2097 | { |
c9cf6e20 | 2098 | /* See the comment in s390_stack_frame_destroyed_p on why this is |
a8c99f38 | 2099 | not completely reliable ... */ |
c9cf6e20 | 2100 | if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame))) |
5769d3cd | 2101 | { |
a8c99f38 JB |
2102 | memset (&data, 0, sizeof (data)); |
2103 | size = 0; | |
2104 | frame_pointer = S390_SP_REGNUM; | |
5769d3cd | 2105 | } |
5769d3cd | 2106 | } |
5769d3cd | 2107 | |
a8c99f38 JB |
2108 | /* Once we know the frame register and the frame size, we can unwind |
2109 | the current value of the frame register from the next frame, and | |
34201ae3 | 2110 | add back the frame size to arrive that the previous frame's |
a8c99f38 | 2111 | stack pointer value. */ |
f089c433 | 2112 | prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size; |
121d8485 | 2113 | cfa = prev_sp + 16*word_size + 32; |
5769d3cd | 2114 | |
7803799a UW |
2115 | /* Set up ABI call-saved/call-clobbered registers. */ |
2116 | for (i = 0; i < S390_NUM_REGS; i++) | |
2117 | if (!s390_register_call_saved (gdbarch, i)) | |
2118 | trad_frame_set_unknown (info->saved_regs, i); | |
2119 | ||
2120 | /* CC is always call-clobbered. */ | |
d6db1fab | 2121 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); |
7803799a | 2122 | |
121d8485 UW |
2123 | /* Record the addresses of all register spill slots the prologue parser |
2124 | has recognized. Consider only registers defined as call-saved by the | |
2125 | ABI; for call-clobbered registers the parser may have recognized | |
2126 | spurious stores. */ | |
5769d3cd | 2127 | |
7803799a UW |
2128 | for (i = 0; i < 16; i++) |
2129 | if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i) | |
2130 | && data.gpr_slot[i] != 0) | |
121d8485 | 2131 | info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i]; |
a8c99f38 | 2132 | |
7803799a UW |
2133 | for (i = 0; i < 16; i++) |
2134 | if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i) | |
2135 | && data.fpr_slot[i] != 0) | |
2136 | info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i]; | |
a8c99f38 JB |
2137 | |
2138 | /* Function return will set PC to %r14. */ | |
d6db1fab | 2139 | info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM]; |
a8c99f38 JB |
2140 | |
2141 | /* In frameless functions, we unwind simply by moving the return | |
2142 | address to the PC. However, if we actually stored to the | |
2143 | save area, use that -- we might only think the function frameless | |
2144 | because we're in the middle of the prologue ... */ | |
2145 | if (size == 0 | |
d6db1fab | 2146 | && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) |
a8c99f38 | 2147 | { |
d6db1fab | 2148 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; |
5769d3cd | 2149 | } |
a8c99f38 JB |
2150 | |
2151 | /* Another sanity check: unless this is a frameless function, | |
2152 | we should have found spill slots for SP and PC. | |
2153 | If not, we cannot unwind further -- this happens e.g. in | |
2154 | libc's thread_start routine. */ | |
2155 | if (size > 0) | |
5769d3cd | 2156 | { |
a8c99f38 | 2157 | if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM) |
d6db1fab | 2158 | || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) |
a8c99f38 | 2159 | prev_sp = -1; |
5769d3cd | 2160 | } |
a8c99f38 JB |
2161 | |
2162 | /* We use the current value of the frame register as local_base, | |
2163 | and the top of the register save area as frame_base. */ | |
2164 | if (prev_sp != -1) | |
2165 | { | |
2166 | info->frame_base = prev_sp + 16*word_size + 32; | |
2167 | info->local_base = prev_sp - size; | |
2168 | } | |
2169 | ||
2170 | info->func = func; | |
2171 | return 1; | |
5769d3cd AC |
2172 | } |
2173 | ||
a78f21af | 2174 | static void |
f089c433 | 2175 | s390_backchain_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2176 | struct s390_unwind_cache *info) |
5769d3cd | 2177 | { |
f089c433 | 2178 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 | 2179 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
e17a4113 | 2180 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 JB |
2181 | CORE_ADDR backchain; |
2182 | ULONGEST reg; | |
f2489477 | 2183 | LONGEST sp, tmp; |
7803799a UW |
2184 | int i; |
2185 | ||
2186 | /* Set up ABI call-saved/call-clobbered registers. */ | |
2187 | for (i = 0; i < S390_NUM_REGS; i++) | |
2188 | if (!s390_register_call_saved (gdbarch, i)) | |
2189 | trad_frame_set_unknown (info->saved_regs, i); | |
2190 | ||
2191 | /* CC is always call-clobbered. */ | |
d6db1fab | 2192 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); |
a8c99f38 JB |
2193 | |
2194 | /* Get the backchain. */ | |
f089c433 | 2195 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
f2489477 AA |
2196 | if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp)) |
2197 | tmp = 0; | |
2198 | backchain = (CORE_ADDR) tmp; | |
a8c99f38 JB |
2199 | |
2200 | /* A zero backchain terminates the frame chain. As additional | |
2201 | sanity check, let's verify that the spill slot for SP in the | |
2202 | save area pointed to by the backchain in fact links back to | |
2203 | the save area. */ | |
2204 | if (backchain != 0 | |
e17a4113 UW |
2205 | && safe_read_memory_integer (backchain + 15*word_size, |
2206 | word_size, byte_order, &sp) | |
a8c99f38 JB |
2207 | && (CORE_ADDR)sp == backchain) |
2208 | { | |
2209 | /* We don't know which registers were saved, but it will have | |
34201ae3 UW |
2210 | to be at least %r14 and %r15. This will allow us to continue |
2211 | unwinding, but other prev-frame registers may be incorrect ... */ | |
a8c99f38 JB |
2212 | info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size; |
2213 | info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size; | |
2214 | ||
2215 | /* Function return will set PC to %r14. */ | |
d6db1fab | 2216 | info->saved_regs[S390_PSWA_REGNUM] |
7803799a | 2217 | = info->saved_regs[S390_RETADDR_REGNUM]; |
a8c99f38 JB |
2218 | |
2219 | /* We use the current value of the frame register as local_base, | |
34201ae3 | 2220 | and the top of the register save area as frame_base. */ |
a8c99f38 JB |
2221 | info->frame_base = backchain + 16*word_size + 32; |
2222 | info->local_base = reg; | |
2223 | } | |
2224 | ||
f089c433 | 2225 | info->func = get_frame_pc (this_frame); |
5769d3cd AC |
2226 | } |
2227 | ||
a8c99f38 | 2228 | static struct s390_unwind_cache * |
f089c433 | 2229 | s390_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 JB |
2230 | void **this_prologue_cache) |
2231 | { | |
2232 | struct s390_unwind_cache *info; | |
62261490 | 2233 | |
a8c99f38 | 2234 | if (*this_prologue_cache) |
19ba03f4 | 2235 | return (struct s390_unwind_cache *) *this_prologue_cache; |
a8c99f38 JB |
2236 | |
2237 | info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache); | |
2238 | *this_prologue_cache = info; | |
f089c433 | 2239 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 JB |
2240 | info->func = -1; |
2241 | info->frame_base = -1; | |
2242 | info->local_base = -1; | |
2243 | ||
492d29ea | 2244 | TRY |
62261490 PA |
2245 | { |
2246 | /* Try to use prologue analysis to fill the unwind cache. | |
2247 | If this fails, fall back to reading the stack backchain. */ | |
2248 | if (!s390_prologue_frame_unwind_cache (this_frame, info)) | |
2249 | s390_backchain_frame_unwind_cache (this_frame, info); | |
2250 | } | |
492d29ea | 2251 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2252 | { |
2253 | if (ex.error != NOT_AVAILABLE_ERROR) | |
2254 | throw_exception (ex); | |
2255 | } | |
492d29ea | 2256 | END_CATCH |
a8c99f38 JB |
2257 | |
2258 | return info; | |
2259 | } | |
5769d3cd | 2260 | |
a78f21af | 2261 | static void |
f089c433 | 2262 | s390_frame_this_id (struct frame_info *this_frame, |
a8c99f38 JB |
2263 | void **this_prologue_cache, |
2264 | struct frame_id *this_id) | |
5769d3cd | 2265 | { |
a8c99f38 | 2266 | struct s390_unwind_cache *info |
f089c433 | 2267 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
5769d3cd | 2268 | |
a8c99f38 JB |
2269 | if (info->frame_base == -1) |
2270 | return; | |
5769d3cd | 2271 | |
a8c99f38 | 2272 | *this_id = frame_id_build (info->frame_base, info->func); |
5769d3cd AC |
2273 | } |
2274 | ||
f089c433 UW |
2275 | static struct value * |
2276 | s390_frame_prev_register (struct frame_info *this_frame, | |
2277 | void **this_prologue_cache, int regnum) | |
a8c99f38 | 2278 | { |
7803799a | 2279 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 | 2280 | struct s390_unwind_cache *info |
f089c433 | 2281 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
7803799a | 2282 | |
d6db1fab | 2283 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2284 | } |
2285 | ||
2286 | static const struct frame_unwind s390_frame_unwind = { | |
2287 | NORMAL_FRAME, | |
8fbca658 | 2288 | default_frame_unwind_stop_reason, |
a8c99f38 | 2289 | s390_frame_this_id, |
f089c433 UW |
2290 | s390_frame_prev_register, |
2291 | NULL, | |
2292 | default_frame_sniffer | |
a8c99f38 JB |
2293 | }; |
2294 | ||
5769d3cd | 2295 | |
8e645ae7 AC |
2296 | /* Code stubs and their stack frames. For things like PLTs and NULL |
2297 | function calls (where there is no true frame and the return address | |
2298 | is in the RETADDR register). */ | |
a8c99f38 | 2299 | |
8e645ae7 AC |
2300 | struct s390_stub_unwind_cache |
2301 | { | |
a8c99f38 JB |
2302 | CORE_ADDR frame_base; |
2303 | struct trad_frame_saved_reg *saved_regs; | |
2304 | }; | |
2305 | ||
8e645ae7 | 2306 | static struct s390_stub_unwind_cache * |
f089c433 | 2307 | s390_stub_frame_unwind_cache (struct frame_info *this_frame, |
8e645ae7 | 2308 | void **this_prologue_cache) |
5769d3cd | 2309 | { |
f089c433 | 2310 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 | 2311 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
8e645ae7 | 2312 | struct s390_stub_unwind_cache *info; |
a8c99f38 | 2313 | ULONGEST reg; |
5c3cf190 | 2314 | |
a8c99f38 | 2315 | if (*this_prologue_cache) |
19ba03f4 | 2316 | return (struct s390_stub_unwind_cache *) *this_prologue_cache; |
5c3cf190 | 2317 | |
8e645ae7 | 2318 | info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache); |
a8c99f38 | 2319 | *this_prologue_cache = info; |
f089c433 | 2320 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 JB |
2321 | |
2322 | /* The return address is in register %r14. */ | |
d6db1fab | 2323 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; |
a8c99f38 JB |
2324 | |
2325 | /* Retrieve stack pointer and determine our frame base. */ | |
f089c433 | 2326 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
a8c99f38 JB |
2327 | info->frame_base = reg + 16*word_size + 32; |
2328 | ||
2329 | return info; | |
5769d3cd AC |
2330 | } |
2331 | ||
a8c99f38 | 2332 | static void |
f089c433 | 2333 | s390_stub_frame_this_id (struct frame_info *this_frame, |
8e645ae7 AC |
2334 | void **this_prologue_cache, |
2335 | struct frame_id *this_id) | |
5769d3cd | 2336 | { |
8e645ae7 | 2337 | struct s390_stub_unwind_cache *info |
f089c433 UW |
2338 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
2339 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); | |
a8c99f38 | 2340 | } |
5769d3cd | 2341 | |
f089c433 UW |
2342 | static struct value * |
2343 | s390_stub_frame_prev_register (struct frame_info *this_frame, | |
2344 | void **this_prologue_cache, int regnum) | |
8e645ae7 AC |
2345 | { |
2346 | struct s390_stub_unwind_cache *info | |
f089c433 | 2347 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
d6db1fab | 2348 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2349 | } |
2350 | ||
f089c433 UW |
2351 | static int |
2352 | s390_stub_frame_sniffer (const struct frame_unwind *self, | |
2353 | struct frame_info *this_frame, | |
2354 | void **this_prologue_cache) | |
a8c99f38 | 2355 | { |
93d42b30 | 2356 | CORE_ADDR addr_in_block; |
8e645ae7 AC |
2357 | bfd_byte insn[S390_MAX_INSTR_SIZE]; |
2358 | ||
2359 | /* If the current PC points to non-readable memory, we assume we | |
2360 | have trapped due to an invalid function pointer call. We handle | |
2361 | the non-existing current function like a PLT stub. */ | |
f089c433 | 2362 | addr_in_block = get_frame_address_in_block (this_frame); |
3e5d3a5a | 2363 | if (in_plt_section (addr_in_block) |
f089c433 UW |
2364 | || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0) |
2365 | return 1; | |
2366 | return 0; | |
a8c99f38 | 2367 | } |
5769d3cd | 2368 | |
f089c433 UW |
2369 | static const struct frame_unwind s390_stub_frame_unwind = { |
2370 | NORMAL_FRAME, | |
8fbca658 | 2371 | default_frame_unwind_stop_reason, |
f089c433 UW |
2372 | s390_stub_frame_this_id, |
2373 | s390_stub_frame_prev_register, | |
2374 | NULL, | |
2375 | s390_stub_frame_sniffer | |
2376 | }; | |
2377 | ||
5769d3cd | 2378 | |
a8c99f38 | 2379 | /* Signal trampoline stack frames. */ |
5769d3cd | 2380 | |
a8c99f38 JB |
2381 | struct s390_sigtramp_unwind_cache { |
2382 | CORE_ADDR frame_base; | |
2383 | struct trad_frame_saved_reg *saved_regs; | |
2384 | }; | |
5769d3cd | 2385 | |
a8c99f38 | 2386 | static struct s390_sigtramp_unwind_cache * |
f089c433 | 2387 | s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2388 | void **this_prologue_cache) |
5769d3cd | 2389 | { |
f089c433 | 2390 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
7803799a | 2391 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
a8c99f38 | 2392 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
e17a4113 | 2393 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 JB |
2394 | struct s390_sigtramp_unwind_cache *info; |
2395 | ULONGEST this_sp, prev_sp; | |
7803799a | 2396 | CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off; |
a8c99f38 JB |
2397 | int i; |
2398 | ||
2399 | if (*this_prologue_cache) | |
19ba03f4 | 2400 | return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache; |
5769d3cd | 2401 | |
a8c99f38 JB |
2402 | info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache); |
2403 | *this_prologue_cache = info; | |
f089c433 | 2404 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 | 2405 | |
f089c433 UW |
2406 | this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
2407 | next_ra = get_frame_pc (this_frame); | |
a8c99f38 JB |
2408 | next_cfa = this_sp + 16*word_size + 32; |
2409 | ||
2410 | /* New-style RT frame: | |
2411 | retcode + alignment (8 bytes) | |
2412 | siginfo (128 bytes) | |
c378eb4e | 2413 | ucontext (contains sigregs at offset 5 words). */ |
a8c99f38 JB |
2414 | if (next_ra == next_cfa) |
2415 | { | |
f0f63663 | 2416 | sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8); |
7803799a UW |
2417 | /* sigregs are followed by uc_sigmask (8 bytes), then by the |
2418 | upper GPR halves if present. */ | |
2419 | sigreg_high_off = 8; | |
a8c99f38 JB |
2420 | } |
2421 | ||
2422 | /* Old-style RT frame and all non-RT frames: | |
2423 | old signal mask (8 bytes) | |
c378eb4e | 2424 | pointer to sigregs. */ |
5769d3cd AC |
2425 | else |
2426 | { | |
e17a4113 UW |
2427 | sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8, |
2428 | word_size, byte_order); | |
7803799a UW |
2429 | /* sigregs are followed by signo (4 bytes), then by the |
2430 | upper GPR halves if present. */ | |
2431 | sigreg_high_off = 4; | |
a8c99f38 | 2432 | } |
5769d3cd | 2433 | |
a8c99f38 | 2434 | /* The sigregs structure looks like this: |
34201ae3 UW |
2435 | long psw_mask; |
2436 | long psw_addr; | |
2437 | long gprs[16]; | |
2438 | int acrs[16]; | |
2439 | int fpc; | |
2440 | int __pad; | |
2441 | double fprs[16]; */ | |
5769d3cd | 2442 | |
7803799a UW |
2443 | /* PSW mask and address. */ |
2444 | info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr; | |
a8c99f38 | 2445 | sigreg_ptr += word_size; |
7803799a | 2446 | info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr; |
a8c99f38 JB |
2447 | sigreg_ptr += word_size; |
2448 | ||
2449 | /* Then the GPRs. */ | |
2450 | for (i = 0; i < 16; i++) | |
2451 | { | |
2452 | info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr; | |
2453 | sigreg_ptr += word_size; | |
2454 | } | |
2455 | ||
2456 | /* Then the ACRs. */ | |
2457 | for (i = 0; i < 16; i++) | |
2458 | { | |
2459 | info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr; | |
2460 | sigreg_ptr += 4; | |
5769d3cd | 2461 | } |
5769d3cd | 2462 | |
a8c99f38 JB |
2463 | /* The floating-point control word. */ |
2464 | info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr; | |
2465 | sigreg_ptr += 8; | |
5769d3cd | 2466 | |
a8c99f38 JB |
2467 | /* And finally the FPRs. */ |
2468 | for (i = 0; i < 16; i++) | |
2469 | { | |
2470 | info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr; | |
2471 | sigreg_ptr += 8; | |
2472 | } | |
2473 | ||
7803799a UW |
2474 | /* If we have them, the GPR upper halves are appended at the end. */ |
2475 | sigreg_ptr += sigreg_high_off; | |
2476 | if (tdep->gpr_full_regnum != -1) | |
2477 | for (i = 0; i < 16; i++) | |
2478 | { | |
34201ae3 | 2479 | info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr; |
7803799a UW |
2480 | sigreg_ptr += 4; |
2481 | } | |
2482 | ||
a8c99f38 JB |
2483 | /* Restore the previous frame's SP. */ |
2484 | prev_sp = read_memory_unsigned_integer ( | |
2485 | info->saved_regs[S390_SP_REGNUM].addr, | |
e17a4113 | 2486 | word_size, byte_order); |
5769d3cd | 2487 | |
a8c99f38 JB |
2488 | /* Determine our frame base. */ |
2489 | info->frame_base = prev_sp + 16*word_size + 32; | |
5769d3cd | 2490 | |
a8c99f38 | 2491 | return info; |
5769d3cd AC |
2492 | } |
2493 | ||
a8c99f38 | 2494 | static void |
f089c433 | 2495 | s390_sigtramp_frame_this_id (struct frame_info *this_frame, |
a8c99f38 JB |
2496 | void **this_prologue_cache, |
2497 | struct frame_id *this_id) | |
5769d3cd | 2498 | { |
a8c99f38 | 2499 | struct s390_sigtramp_unwind_cache *info |
f089c433 UW |
2500 | = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
2501 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); | |
5769d3cd AC |
2502 | } |
2503 | ||
f089c433 UW |
2504 | static struct value * |
2505 | s390_sigtramp_frame_prev_register (struct frame_info *this_frame, | |
2506 | void **this_prologue_cache, int regnum) | |
a8c99f38 JB |
2507 | { |
2508 | struct s390_sigtramp_unwind_cache *info | |
f089c433 | 2509 | = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
d6db1fab | 2510 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2511 | } |
2512 | ||
f089c433 UW |
2513 | static int |
2514 | s390_sigtramp_frame_sniffer (const struct frame_unwind *self, | |
2515 | struct frame_info *this_frame, | |
2516 | void **this_prologue_cache) | |
5769d3cd | 2517 | { |
f089c433 | 2518 | CORE_ADDR pc = get_frame_pc (this_frame); |
a8c99f38 | 2519 | bfd_byte sigreturn[2]; |
4c8287ac | 2520 | |
8defab1a | 2521 | if (target_read_memory (pc, sigreturn, 2)) |
f089c433 | 2522 | return 0; |
4c8287ac | 2523 | |
237b092b | 2524 | if (sigreturn[0] != op_svc) |
f089c433 | 2525 | return 0; |
5769d3cd | 2526 | |
a8c99f38 JB |
2527 | if (sigreturn[1] != 119 /* sigreturn */ |
2528 | && sigreturn[1] != 173 /* rt_sigreturn */) | |
f089c433 | 2529 | return 0; |
34201ae3 | 2530 | |
f089c433 | 2531 | return 1; |
5769d3cd AC |
2532 | } |
2533 | ||
f089c433 UW |
2534 | static const struct frame_unwind s390_sigtramp_frame_unwind = { |
2535 | SIGTRAMP_FRAME, | |
8fbca658 | 2536 | default_frame_unwind_stop_reason, |
f089c433 UW |
2537 | s390_sigtramp_frame_this_id, |
2538 | s390_sigtramp_frame_prev_register, | |
2539 | NULL, | |
2540 | s390_sigtramp_frame_sniffer | |
2541 | }; | |
2542 | ||
237b092b AA |
2543 | /* Retrieve the syscall number at a ptrace syscall-stop. Return -1 |
2544 | upon error. */ | |
2545 | ||
2546 | static LONGEST | |
2547 | s390_linux_get_syscall_number (struct gdbarch *gdbarch, | |
2548 | ptid_t ptid) | |
2549 | { | |
2550 | struct regcache *regs = get_thread_regcache (ptid); | |
2551 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2552 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
2553 | ULONGEST pc; | |
2554 | ULONGEST svc_number = -1; | |
2555 | unsigned opcode; | |
2556 | ||
2557 | /* Assume that the PC points after the 2-byte SVC instruction. We | |
2558 | don't currently support SVC via EXECUTE. */ | |
2559 | regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc); | |
2560 | pc -= 2; | |
2561 | opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order); | |
2562 | if (opcode != op_svc) | |
2563 | return -1; | |
2564 | ||
2565 | svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1, | |
2566 | byte_order); | |
2567 | if (svc_number == 0) | |
2568 | regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number); | |
2569 | ||
2570 | return svc_number; | |
2571 | } | |
2572 | ||
566c56c9 MK |
2573 | /* Process record-replay */ |
2574 | ||
2575 | static struct linux_record_tdep s390_linux_record_tdep; | |
2576 | static struct linux_record_tdep s390x_linux_record_tdep; | |
2577 | ||
2578 | /* Record all registers but PC register for process-record. */ | |
2579 | ||
2580 | static int | |
2581 | s390_all_but_pc_registers_record (struct regcache *regcache) | |
2582 | { | |
2583 | struct gdbarch *gdbarch = get_regcache_arch (regcache); | |
2584 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2585 | int i; | |
2586 | ||
2587 | for (i = 0; i < 16; i++) | |
2588 | { | |
2589 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2590 | return -1; | |
2591 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
2592 | return -1; | |
2593 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) | |
2594 | return -1; | |
2595 | if (tdep->gpr_full_regnum != -1) | |
2596 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2597 | return -1; | |
2598 | if (tdep->v0_full_regnum != -1) | |
2599 | { | |
2600 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) | |
2601 | return -1; | |
2602 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i)) | |
2603 | return -1; | |
2604 | } | |
2605 | } | |
2606 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
2607 | return -1; | |
2608 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
2609 | return -1; | |
2610 | ||
2611 | return 0; | |
2612 | } | |
2613 | ||
2614 | static enum gdb_syscall | |
2615 | s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi) | |
2616 | { | |
2617 | switch (syscall) | |
2618 | { | |
2619 | /* s390 syscall numbers < 222 are mostly the same as x86, so just list | |
2620 | the exceptions. */ | |
2621 | case 0: | |
2622 | return gdb_sys_no_syscall; | |
2623 | case 7: | |
2624 | return gdb_sys_restart_syscall; | |
2625 | /* These syscalls work only on 31-bit. */ | |
2626 | case 13: /* time */ | |
2627 | case 16: /* lchown[16] */ | |
2628 | case 23: /* setuid[16] */ | |
2629 | case 24: /* getuid[16] */ | |
2630 | case 25: /* stime */ | |
2631 | case 46: /* setgid[16] */ | |
2632 | case 47: /* getgid[16] */ | |
2633 | case 49: /* seteuid[16] */ | |
2634 | case 50: /* getegid[16] */ | |
2635 | case 70: /* setreuid[16] */ | |
2636 | case 71: /* setregid[16] */ | |
2637 | case 76: /* [old_]getrlimit */ | |
2638 | case 80: /* getgroups[16] */ | |
2639 | case 81: /* setgroups[16] */ | |
2640 | case 95: /* fchown[16] */ | |
2641 | case 101: /* ioperm */ | |
2642 | case 138: /* setfsuid[16] */ | |
2643 | case 139: /* setfsgid[16] */ | |
2644 | case 140: /* _llseek */ | |
2645 | case 164: /* setresuid[16] */ | |
2646 | case 165: /* getresuid[16] */ | |
2647 | case 170: /* setresgid[16] */ | |
2648 | case 171: /* getresgid[16] */ | |
2649 | case 182: /* chown[16] */ | |
2650 | case 192: /* mmap2 */ | |
2651 | case 193: /* truncate64 */ | |
2652 | case 194: /* ftruncate64 */ | |
2653 | case 195: /* stat64 */ | |
2654 | case 196: /* lstat64 */ | |
2655 | case 197: /* fstat64 */ | |
2656 | case 221: /* fcntl64 */ | |
2657 | if (abi == ABI_LINUX_S390) | |
4d193179 | 2658 | return (enum gdb_syscall) syscall; |
566c56c9 MK |
2659 | return gdb_sys_no_syscall; |
2660 | /* These syscalls don't exist on s390. */ | |
2661 | case 17: /* break */ | |
2662 | case 18: /* oldstat */ | |
2663 | case 28: /* oldfstat */ | |
2664 | case 31: /* stty */ | |
2665 | case 32: /* gtty */ | |
2666 | case 35: /* ftime */ | |
2667 | case 44: /* prof */ | |
2668 | case 53: /* lock */ | |
2669 | case 56: /* mpx */ | |
2670 | case 58: /* ulimit */ | |
2671 | case 59: /* oldolduname */ | |
2672 | case 68: /* sgetmask */ | |
2673 | case 69: /* ssetmask */ | |
2674 | case 82: /* [old_]select */ | |
2675 | case 84: /* oldlstat */ | |
2676 | case 98: /* profil */ | |
2677 | case 109: /* olduname */ | |
2678 | case 113: /* vm86old */ | |
2679 | case 123: /* modify_ldt */ | |
2680 | case 166: /* vm86 */ | |
2681 | return gdb_sys_no_syscall; | |
2682 | case 110: | |
2683 | return gdb_sys_lookup_dcookie; | |
2684 | /* Here come the differences. */ | |
2685 | case 222: | |
2686 | return gdb_sys_readahead; | |
2687 | case 223: | |
2688 | if (abi == ABI_LINUX_S390) | |
2689 | return gdb_sys_sendfile64; | |
2690 | return gdb_sys_no_syscall; | |
2691 | /* 224-235 handled below */ | |
2692 | case 236: | |
2693 | return gdb_sys_gettid; | |
2694 | case 237: | |
2695 | return gdb_sys_tkill; | |
2696 | case 238: | |
2697 | return gdb_sys_futex; | |
2698 | case 239: | |
2699 | return gdb_sys_sched_setaffinity; | |
2700 | case 240: | |
2701 | return gdb_sys_sched_getaffinity; | |
2702 | case 241: | |
2703 | return gdb_sys_tgkill; | |
2704 | /* 242 reserved */ | |
2705 | case 243: | |
2706 | return gdb_sys_io_setup; | |
2707 | case 244: | |
2708 | return gdb_sys_io_destroy; | |
2709 | case 245: | |
2710 | return gdb_sys_io_getevents; | |
2711 | case 246: | |
2712 | return gdb_sys_io_submit; | |
2713 | case 247: | |
2714 | return gdb_sys_io_cancel; | |
2715 | case 248: | |
2716 | return gdb_sys_exit_group; | |
2717 | case 249: | |
2718 | return gdb_sys_epoll_create; | |
2719 | case 250: | |
2720 | return gdb_sys_epoll_ctl; | |
2721 | case 251: | |
2722 | return gdb_sys_epoll_wait; | |
2723 | case 252: | |
2724 | return gdb_sys_set_tid_address; | |
2725 | case 253: | |
2726 | return gdb_sys_fadvise64; | |
2727 | /* 254-262 handled below */ | |
2728 | /* 263 reserved */ | |
2729 | case 264: | |
2730 | if (abi == ABI_LINUX_S390) | |
2731 | return gdb_sys_fadvise64_64; | |
2732 | return gdb_sys_no_syscall; | |
2733 | case 265: | |
2734 | return gdb_sys_statfs64; | |
2735 | case 266: | |
2736 | return gdb_sys_fstatfs64; | |
2737 | case 267: | |
2738 | return gdb_sys_remap_file_pages; | |
2739 | /* 268-270 reserved */ | |
2740 | /* 271-277 handled below */ | |
2741 | case 278: | |
2742 | return gdb_sys_add_key; | |
2743 | case 279: | |
2744 | return gdb_sys_request_key; | |
2745 | case 280: | |
2746 | return gdb_sys_keyctl; | |
2747 | case 281: | |
2748 | return gdb_sys_waitid; | |
2749 | /* 282-312 handled below */ | |
2750 | case 293: | |
2751 | if (abi == ABI_LINUX_S390) | |
2752 | return gdb_sys_fstatat64; | |
2753 | return gdb_sys_newfstatat; | |
2754 | /* 313+ not yet supported */ | |
2755 | default: | |
4d193179 SM |
2756 | { |
2757 | int ret; | |
2758 | ||
2759 | /* Most "old" syscalls copied from i386. */ | |
2760 | if (syscall <= 221) | |
2761 | ret = syscall; | |
2762 | /* xattr syscalls. */ | |
2763 | else if (syscall >= 224 && syscall <= 235) | |
2764 | ret = syscall + 2; | |
2765 | /* timer syscalls. */ | |
2766 | else if (syscall >= 254 && syscall <= 262) | |
2767 | ret = syscall + 5; | |
2768 | /* mq_* and kexec_load */ | |
2769 | else if (syscall >= 271 && syscall <= 277) | |
2770 | ret = syscall + 6; | |
2771 | /* ioprio_set .. epoll_pwait */ | |
2772 | else if (syscall >= 282 && syscall <= 312) | |
2773 | ret = syscall + 7; | |
2774 | else | |
2775 | ret = gdb_sys_no_syscall; | |
2776 | ||
2777 | return (enum gdb_syscall) ret; | |
2778 | } | |
566c56c9 MK |
2779 | } |
2780 | } | |
2781 | ||
2782 | static int | |
2783 | s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native) | |
2784 | { | |
2785 | struct gdbarch *gdbarch = get_regcache_arch (regcache); | |
2786 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2787 | int ret; | |
2788 | enum gdb_syscall syscall_gdb; | |
2789 | ||
2790 | /* On s390, syscall number can be passed either as immediate field of svc | |
2791 | instruction, or in %r1 (with svc 0). */ | |
2792 | if (syscall_native == 0) | |
2793 | regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native); | |
2794 | ||
2795 | syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi); | |
2796 | ||
2797 | if (syscall_gdb < 0) | |
2798 | { | |
2799 | printf_unfiltered (_("Process record and replay target doesn't " | |
2800 | "support syscall number %s\n"), | |
2801 | plongest (syscall_native)); | |
2802 | return -1; | |
2803 | } | |
2804 | ||
2805 | if (syscall_gdb == gdb_sys_sigreturn | |
2806 | || syscall_gdb == gdb_sys_rt_sigreturn) | |
2807 | { | |
2808 | if (s390_all_but_pc_registers_record (regcache)) | |
2809 | return -1; | |
2810 | return 0; | |
2811 | } | |
2812 | ||
2813 | if (tdep->abi == ABI_LINUX_ZSERIES) | |
2814 | ret = record_linux_system_call (syscall_gdb, regcache, | |
2815 | &s390x_linux_record_tdep); | |
2816 | else | |
2817 | ret = record_linux_system_call (syscall_gdb, regcache, | |
2818 | &s390_linux_record_tdep); | |
2819 | ||
2820 | if (ret) | |
2821 | return ret; | |
2822 | ||
2823 | /* Record the return value of the system call. */ | |
2824 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) | |
2825 | return -1; | |
2826 | ||
2827 | return 0; | |
2828 | } | |
2829 | ||
2830 | static int | |
2831 | s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, | |
2832 | enum gdb_signal signal) | |
2833 | { | |
2834 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2835 | /* There are two kinds of signal frames on s390. rt_sigframe is always | |
2836 | the larger one, so don't even bother with sigframe. */ | |
2837 | const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ? | |
2838 | 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000); | |
2839 | ULONGEST sp; | |
2840 | int i; | |
2841 | ||
2842 | for (i = 0; i < 16; i++) | |
2843 | { | |
2844 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2845 | return -1; | |
2846 | if (tdep->gpr_full_regnum != -1) | |
2847 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2848 | return -1; | |
2849 | } | |
2850 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) | |
2851 | return -1; | |
2852 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
2853 | return -1; | |
2854 | ||
2855 | /* Record the change in the stack. | |
2856 | frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */ | |
2857 | regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp); | |
2858 | sp -= sizeof_rt_sigframe; | |
2859 | ||
2860 | if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe)) | |
2861 | return -1; | |
2862 | ||
2863 | if (record_full_arch_list_add_end ()) | |
2864 | return -1; | |
2865 | ||
2866 | return 0; | |
2867 | } | |
4c8287ac | 2868 | |
a8c99f38 JB |
2869 | /* Frame base handling. */ |
2870 | ||
2871 | static CORE_ADDR | |
f089c433 | 2872 | s390_frame_base_address (struct frame_info *this_frame, void **this_cache) |
4c8287ac | 2873 | { |
a8c99f38 | 2874 | struct s390_unwind_cache *info |
f089c433 | 2875 | = s390_frame_unwind_cache (this_frame, this_cache); |
a8c99f38 JB |
2876 | return info->frame_base; |
2877 | } | |
2878 | ||
2879 | static CORE_ADDR | |
f089c433 | 2880 | s390_local_base_address (struct frame_info *this_frame, void **this_cache) |
a8c99f38 JB |
2881 | { |
2882 | struct s390_unwind_cache *info | |
f089c433 | 2883 | = s390_frame_unwind_cache (this_frame, this_cache); |
a8c99f38 JB |
2884 | return info->local_base; |
2885 | } | |
2886 | ||
2887 | static const struct frame_base s390_frame_base = { | |
2888 | &s390_frame_unwind, | |
2889 | s390_frame_base_address, | |
2890 | s390_local_base_address, | |
2891 | s390_local_base_address | |
2892 | }; | |
2893 | ||
2894 | static CORE_ADDR | |
2895 | s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
2896 | { | |
7803799a | 2897 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
a8c99f38 | 2898 | ULONGEST pc; |
7803799a | 2899 | pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum); |
a8c99f38 JB |
2900 | return gdbarch_addr_bits_remove (gdbarch, pc); |
2901 | } | |
2902 | ||
2903 | static CORE_ADDR | |
2904 | s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
2905 | { | |
2906 | ULONGEST sp; | |
2907 | sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM); | |
2908 | return gdbarch_addr_bits_remove (gdbarch, sp); | |
4c8287ac JB |
2909 | } |
2910 | ||
2911 | ||
a431654a AC |
2912 | /* DWARF-2 frame support. */ |
2913 | ||
7803799a UW |
2914 | static struct value * |
2915 | s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache, | |
2916 | int regnum) | |
2917 | { | |
d6db1fab | 2918 | return s390_unwind_pseudo_register (this_frame, regnum); |
7803799a UW |
2919 | } |
2920 | ||
a431654a AC |
2921 | static void |
2922 | s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum, | |
34201ae3 | 2923 | struct dwarf2_frame_state_reg *reg, |
4a4e5149 | 2924 | struct frame_info *this_frame) |
a431654a AC |
2925 | { |
2926 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2927 | ||
d6db1fab UW |
2928 | /* The condition code (and thus PSW mask) is call-clobbered. */ |
2929 | if (regnum == S390_PSWM_REGNUM) | |
2930 | reg->how = DWARF2_FRAME_REG_UNDEFINED; | |
2931 | ||
2932 | /* The PSW address unwinds to the return address. */ | |
2933 | else if (regnum == S390_PSWA_REGNUM) | |
2934 | reg->how = DWARF2_FRAME_REG_RA; | |
2935 | ||
7803799a UW |
2936 | /* Fixed registers are call-saved or call-clobbered |
2937 | depending on the ABI in use. */ | |
d6db1fab | 2938 | else if (regnum < S390_NUM_REGS) |
a431654a | 2939 | { |
7803799a | 2940 | if (s390_register_call_saved (gdbarch, regnum)) |
a431654a | 2941 | reg->how = DWARF2_FRAME_REG_SAME_VALUE; |
7803799a | 2942 | else |
a431654a | 2943 | reg->how = DWARF2_FRAME_REG_UNDEFINED; |
7803799a | 2944 | } |
a431654a | 2945 | |
d6db1fab UW |
2946 | /* We install a special function to unwind pseudos. */ |
2947 | else | |
7803799a UW |
2948 | { |
2949 | reg->how = DWARF2_FRAME_REG_FN; | |
2950 | reg->loc.fn = s390_dwarf2_prev_register; | |
a431654a AC |
2951 | } |
2952 | } | |
2953 | ||
2954 | ||
b0cf273e JB |
2955 | /* Dummy function calls. */ |
2956 | ||
80f75320 AA |
2957 | /* Unwrap any single-field structs in TYPE and return the effective |
2958 | "inner" type. E.g., yield "float" for all these cases: | |
20a940cc | 2959 | |
80f75320 AA |
2960 | float x; |
2961 | struct { float x }; | |
2962 | struct { struct { float x; } x; }; | |
417c80f9 AA |
2963 | struct { struct { struct { float x; } x; } x; }; |
2964 | ||
2965 | However, if an inner type is smaller than MIN_SIZE, abort the | |
2966 | unwrapping. */ | |
20a940cc | 2967 | |
80f75320 | 2968 | static struct type * |
417c80f9 | 2969 | s390_effective_inner_type (struct type *type, unsigned int min_size) |
20a940cc | 2970 | { |
80f75320 AA |
2971 | while (TYPE_CODE (type) == TYPE_CODE_STRUCT |
2972 | && TYPE_NFIELDS (type) == 1) | |
417c80f9 AA |
2973 | { |
2974 | struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0)); | |
2975 | ||
2976 | if (TYPE_LENGTH (inner) < min_size) | |
2977 | break; | |
2978 | type = inner; | |
2979 | } | |
2980 | ||
80f75320 | 2981 | return type; |
20a940cc JB |
2982 | } |
2983 | ||
80f75320 AA |
2984 | /* Return non-zero if TYPE should be passed like "float" or |
2985 | "double". */ | |
20a940cc | 2986 | |
20a940cc | 2987 | static int |
80f75320 | 2988 | s390_function_arg_float (struct type *type) |
20a940cc | 2989 | { |
80f75320 AA |
2990 | /* Note that long double as well as complex types are intentionally |
2991 | excluded. */ | |
2992 | if (TYPE_LENGTH (type) > 8) | |
2993 | return 0; | |
20a940cc | 2994 | |
80f75320 AA |
2995 | /* A struct containing just a float or double is passed like a float |
2996 | or double. */ | |
417c80f9 | 2997 | type = s390_effective_inner_type (type, 0); |
20a940cc | 2998 | |
20a940cc | 2999 | return (TYPE_CODE (type) == TYPE_CODE_FLT |
80f75320 | 3000 | || TYPE_CODE (type) == TYPE_CODE_DECFLOAT); |
20a940cc JB |
3001 | } |
3002 | ||
417c80f9 AA |
3003 | /* Return non-zero if TYPE should be passed like a vector. */ |
3004 | ||
3005 | static int | |
3006 | s390_function_arg_vector (struct type *type) | |
3007 | { | |
3008 | if (TYPE_LENGTH (type) > 16) | |
3009 | return 0; | |
3010 | ||
3011 | /* Structs containing just a vector are passed like a vector. */ | |
3012 | type = s390_effective_inner_type (type, TYPE_LENGTH (type)); | |
3013 | ||
3014 | return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type); | |
3015 | } | |
3016 | ||
6dbc9c04 | 3017 | /* Determine whether N is a power of two. */ |
20a940cc | 3018 | |
78f8b424 | 3019 | static int |
b0cf273e | 3020 | is_power_of_two (unsigned int n) |
78f8b424 | 3021 | { |
6dbc9c04 | 3022 | return n && ((n & (n - 1)) == 0); |
78f8b424 JB |
3023 | } |
3024 | ||
80f75320 | 3025 | /* For an argument whose type is TYPE and which is not passed like a |
417c80f9 AA |
3026 | float or vector, return non-zero if it should be passed like "int" |
3027 | or "long long". */ | |
4d819d0e | 3028 | |
78f8b424 | 3029 | static int |
b0cf273e | 3030 | s390_function_arg_integer (struct type *type) |
78f8b424 | 3031 | { |
80f75320 AA |
3032 | enum type_code code = TYPE_CODE (type); |
3033 | ||
354ecfd5 | 3034 | if (TYPE_LENGTH (type) > 8) |
b0cf273e | 3035 | return 0; |
78f8b424 | 3036 | |
80f75320 AA |
3037 | if (code == TYPE_CODE_INT |
3038 | || code == TYPE_CODE_ENUM | |
3039 | || code == TYPE_CODE_RANGE | |
3040 | || code == TYPE_CODE_CHAR | |
3041 | || code == TYPE_CODE_BOOL | |
3042 | || code == TYPE_CODE_PTR | |
3043 | || code == TYPE_CODE_REF) | |
3044 | return 1; | |
3045 | ||
3046 | return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT) | |
3047 | && is_power_of_two (TYPE_LENGTH (type))); | |
78f8b424 JB |
3048 | } |
3049 | ||
80f75320 AA |
3050 | /* Argument passing state: Internal data structure passed to helper |
3051 | routines of s390_push_dummy_call. */ | |
78f8b424 | 3052 | |
80f75320 AA |
3053 | struct s390_arg_state |
3054 | { | |
3055 | /* Register cache, or NULL, if we are in "preparation mode". */ | |
3056 | struct regcache *regcache; | |
417c80f9 AA |
3057 | /* Next available general/floating-point/vector register for |
3058 | argument passing. */ | |
3059 | int gr, fr, vr; | |
80f75320 AA |
3060 | /* Current pointer to copy area (grows downwards). */ |
3061 | CORE_ADDR copy; | |
3062 | /* Current pointer to parameter area (grows upwards). */ | |
3063 | CORE_ADDR argp; | |
3064 | }; | |
78f8b424 | 3065 | |
80f75320 AA |
3066 | /* Prepare one argument ARG for a dummy call and update the argument |
3067 | passing state AS accordingly. If the regcache field in AS is set, | |
3068 | operate in "write mode" and write ARG into the inferior. Otherwise | |
3069 | run "preparation mode" and skip all updates to the inferior. */ | |
78f8b424 | 3070 | |
80f75320 AA |
3071 | static void |
3072 | s390_handle_arg (struct s390_arg_state *as, struct value *arg, | |
3073 | struct gdbarch_tdep *tdep, int word_size, | |
417c80f9 | 3074 | enum bfd_endian byte_order, int is_unnamed) |
78f8b424 | 3075 | { |
80f75320 AA |
3076 | struct type *type = check_typedef (value_type (arg)); |
3077 | unsigned int length = TYPE_LENGTH (type); | |
3078 | int write_mode = as->regcache != NULL; | |
78f8b424 | 3079 | |
80f75320 AA |
3080 | if (s390_function_arg_float (type)) |
3081 | { | |
3082 | /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass | |
3083 | arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and | |
3084 | 6. */ | |
3085 | if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6)) | |
3086 | { | |
3087 | /* When we store a single-precision value in an FP register, | |
3088 | it occupies the leftmost bits. */ | |
3089 | if (write_mode) | |
3090 | regcache_cooked_write_part (as->regcache, | |
3091 | S390_F0_REGNUM + as->fr, | |
3092 | 0, length, | |
3093 | value_contents (arg)); | |
3094 | as->fr += 2; | |
3095 | } | |
3096 | else | |
3097 | { | |
3098 | /* When we store a single-precision value in a stack slot, | |
3099 | it occupies the rightmost bits. */ | |
3100 | as->argp = align_up (as->argp + length, word_size); | |
3101 | if (write_mode) | |
3102 | write_memory (as->argp - length, value_contents (arg), | |
3103 | length); | |
3104 | } | |
3105 | } | |
417c80f9 AA |
3106 | else if (tdep->vector_abi == S390_VECTOR_ABI_128 |
3107 | && s390_function_arg_vector (type)) | |
3108 | { | |
3109 | static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31}; | |
3110 | ||
3111 | if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr)) | |
3112 | { | |
3113 | int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24; | |
3114 | ||
3115 | if (write_mode) | |
3116 | regcache_cooked_write_part (as->regcache, regnum, | |
3117 | 0, length, | |
3118 | value_contents (arg)); | |
3119 | as->vr++; | |
3120 | } | |
3121 | else | |
3122 | { | |
3123 | if (write_mode) | |
3124 | write_memory (as->argp, value_contents (arg), length); | |
3125 | as->argp = align_up (as->argp + length, word_size); | |
3126 | } | |
3127 | } | |
80f75320 | 3128 | else if (s390_function_arg_integer (type) && length <= word_size) |
78f8b424 | 3129 | { |
decf8d9a JK |
3130 | /* Initialize it just to avoid a GCC false warning. */ |
3131 | ULONGEST val = 0; | |
78f8b424 | 3132 | |
80f75320 | 3133 | if (write_mode) |
34201ae3 | 3134 | { |
80f75320 AA |
3135 | /* Place value in least significant bits of the register or |
3136 | memory word and sign- or zero-extend to full word size. | |
3137 | This also applies to a struct or union. */ | |
3138 | val = TYPE_UNSIGNED (type) | |
3139 | ? extract_unsigned_integer (value_contents (arg), | |
3140 | length, byte_order) | |
3141 | : extract_signed_integer (value_contents (arg), | |
3142 | length, byte_order); | |
3143 | } | |
78f8b424 | 3144 | |
80f75320 AA |
3145 | if (as->gr <= 6) |
3146 | { | |
3147 | if (write_mode) | |
3148 | regcache_cooked_write_unsigned (as->regcache, | |
3149 | S390_R0_REGNUM + as->gr, | |
3150 | val); | |
3151 | as->gr++; | |
3152 | } | |
3153 | else | |
3154 | { | |
3155 | if (write_mode) | |
3156 | write_memory_unsigned_integer (as->argp, word_size, | |
3157 | byte_order, val); | |
3158 | as->argp += word_size; | |
34201ae3 | 3159 | } |
78f8b424 | 3160 | } |
80f75320 AA |
3161 | else if (s390_function_arg_integer (type) && length == 8) |
3162 | { | |
3163 | if (as->gr <= 5) | |
3164 | { | |
3165 | if (write_mode) | |
3166 | { | |
3167 | regcache_cooked_write (as->regcache, | |
3168 | S390_R0_REGNUM + as->gr, | |
3169 | value_contents (arg)); | |
3170 | regcache_cooked_write (as->regcache, | |
3171 | S390_R0_REGNUM + as->gr + 1, | |
3172 | value_contents (arg) + word_size); | |
3173 | } | |
3174 | as->gr += 2; | |
3175 | } | |
3176 | else | |
3177 | { | |
3178 | /* If we skipped r6 because we couldn't fit a DOUBLE_ARG | |
3179 | in it, then don't go back and use it again later. */ | |
3180 | as->gr = 7; | |
78f8b424 | 3181 | |
80f75320 AA |
3182 | if (write_mode) |
3183 | write_memory (as->argp, value_contents (arg), length); | |
3184 | as->argp += length; | |
3185 | } | |
3186 | } | |
3187 | else | |
3188 | { | |
3189 | /* This argument type is never passed in registers. Place the | |
3190 | value in the copy area and pass a pointer to it. Use 8-byte | |
3191 | alignment as a conservative assumption. */ | |
3192 | as->copy = align_down (as->copy - length, 8); | |
3193 | if (write_mode) | |
3194 | write_memory (as->copy, value_contents (arg), length); | |
3195 | ||
3196 | if (as->gr <= 6) | |
3197 | { | |
3198 | if (write_mode) | |
3199 | regcache_cooked_write_unsigned (as->regcache, | |
3200 | S390_R0_REGNUM + as->gr, | |
3201 | as->copy); | |
3202 | as->gr++; | |
3203 | } | |
3204 | else | |
3205 | { | |
3206 | if (write_mode) | |
3207 | write_memory_unsigned_integer (as->argp, word_size, | |
3208 | byte_order, as->copy); | |
3209 | as->argp += word_size; | |
3210 | } | |
3211 | } | |
78f8b424 JB |
3212 | } |
3213 | ||
78f8b424 | 3214 | /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in |
ca557f44 AC |
3215 | place to be passed to a function, as specified by the "GNU/Linux |
3216 | for S/390 ELF Application Binary Interface Supplement". | |
78f8b424 JB |
3217 | |
3218 | SP is the current stack pointer. We must put arguments, links, | |
3219 | padding, etc. whereever they belong, and return the new stack | |
3220 | pointer value. | |
34201ae3 | 3221 | |
78f8b424 JB |
3222 | If STRUCT_RETURN is non-zero, then the function we're calling is |
3223 | going to return a structure by value; STRUCT_ADDR is the address of | |
3224 | a block we've allocated for it on the stack. | |
3225 | ||
3226 | Our caller has taken care of any type promotions needed to satisfy | |
3227 | prototypes or the old K&R argument-passing rules. */ | |
80f75320 | 3228 | |
a78f21af | 3229 | static CORE_ADDR |
7d9b040b | 3230 | s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function, |
b0cf273e JB |
3231 | struct regcache *regcache, CORE_ADDR bp_addr, |
3232 | int nargs, struct value **args, CORE_ADDR sp, | |
3233 | int struct_return, CORE_ADDR struct_addr) | |
5769d3cd | 3234 | { |
b0cf273e JB |
3235 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
3236 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
e17a4113 | 3237 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
78f8b424 | 3238 | int i; |
80f75320 AA |
3239 | struct s390_arg_state arg_state, arg_prep; |
3240 | CORE_ADDR param_area_start, new_sp; | |
417c80f9 AA |
3241 | struct type *ftype = check_typedef (value_type (function)); |
3242 | ||
3243 | if (TYPE_CODE (ftype) == TYPE_CODE_PTR) | |
3244 | ftype = check_typedef (TYPE_TARGET_TYPE (ftype)); | |
5769d3cd | 3245 | |
80f75320 AA |
3246 | arg_prep.copy = sp; |
3247 | arg_prep.gr = struct_return ? 3 : 2; | |
3248 | arg_prep.fr = 0; | |
417c80f9 | 3249 | arg_prep.vr = 0; |
80f75320 AA |
3250 | arg_prep.argp = 0; |
3251 | arg_prep.regcache = NULL; | |
5769d3cd | 3252 | |
80f75320 AA |
3253 | /* Initialize arg_state for "preparation mode". */ |
3254 | arg_state = arg_prep; | |
5769d3cd | 3255 | |
80f75320 AA |
3256 | /* Update arg_state.copy with the start of the reference-to-copy area |
3257 | and arg_state.argp with the size of the parameter area. */ | |
3258 | for (i = 0; i < nargs; i++) | |
417c80f9 AA |
3259 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, |
3260 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
78f8b424 | 3261 | |
80f75320 | 3262 | param_area_start = align_down (arg_state.copy - arg_state.argp, 8); |
78f8b424 | 3263 | |
c0cc4c83 | 3264 | /* Allocate the standard frame areas: the register save area, the |
80f75320 AA |
3265 | word reserved for the compiler, and the back chain pointer. */ |
3266 | new_sp = param_area_start - (16 * word_size + 32); | |
3267 | ||
3268 | /* Now we have the final stack pointer. Make sure we didn't | |
3269 | underflow; on 31-bit, this would result in addresses with the | |
3270 | high bit set, which causes confusion elsewhere. Note that if we | |
3271 | error out here, stack and registers remain untouched. */ | |
3272 | if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp) | |
c0cc4c83 UW |
3273 | error (_("Stack overflow")); |
3274 | ||
80f75320 AA |
3275 | /* Pass the structure return address in general register 2. */ |
3276 | if (struct_return) | |
3277 | regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr); | |
c0cc4c83 | 3278 | |
80f75320 AA |
3279 | /* Initialize arg_state for "write mode". */ |
3280 | arg_state = arg_prep; | |
3281 | arg_state.argp = param_area_start; | |
3282 | arg_state.regcache = regcache; | |
78f8b424 | 3283 | |
80f75320 AA |
3284 | /* Write all parameters. */ |
3285 | for (i = 0; i < nargs; i++) | |
417c80f9 AA |
3286 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, |
3287 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
78f8b424 | 3288 | |
8de7d199 UW |
3289 | /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */ |
3290 | if (word_size == 4) | |
3291 | { | |
3292 | ULONGEST pswa; | |
3293 | regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
3294 | bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000); | |
3295 | } | |
b0cf273e | 3296 | regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr); |
8de7d199 | 3297 | |
b0cf273e | 3298 | /* Store updated stack pointer. */ |
80f75320 | 3299 | regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp); |
78f8b424 | 3300 | |
a8c99f38 | 3301 | /* We need to return the 'stack part' of the frame ID, |
121d8485 | 3302 | which is actually the top of the register save area. */ |
80f75320 | 3303 | return param_area_start; |
5769d3cd AC |
3304 | } |
3305 | ||
f089c433 | 3306 | /* Assuming THIS_FRAME is a dummy, return the frame ID of that |
b0cf273e JB |
3307 | dummy frame. The frame ID's base needs to match the TOS value |
3308 | returned by push_dummy_call, and the PC match the dummy frame's | |
3309 | breakpoint. */ | |
3310 | static struct frame_id | |
f089c433 | 3311 | s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame) |
b0cf273e | 3312 | { |
a8c99f38 | 3313 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
f089c433 UW |
3314 | CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
3315 | sp = gdbarch_addr_bits_remove (gdbarch, sp); | |
a8c99f38 | 3316 | |
121d8485 | 3317 | return frame_id_build (sp + 16*word_size + 32, |
34201ae3 | 3318 | get_frame_pc (this_frame)); |
b0cf273e | 3319 | } |
c8f9d51c | 3320 | |
4074e13c JB |
3321 | static CORE_ADDR |
3322 | s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr) | |
3323 | { | |
3324 | /* Both the 32- and 64-bit ABI's say that the stack pointer should | |
3325 | always be aligned on an eight-byte boundary. */ | |
3326 | return (addr & -8); | |
3327 | } | |
3328 | ||
3329 | ||
4e65a17e AA |
3330 | /* Helper for s390_return_value: Set or retrieve a function return |
3331 | value if it resides in a register. */ | |
b0cf273e | 3332 | |
4e65a17e AA |
3333 | static void |
3334 | s390_register_return_value (struct gdbarch *gdbarch, struct type *type, | |
3335 | struct regcache *regcache, | |
3336 | gdb_byte *out, const gdb_byte *in) | |
c8f9d51c | 3337 | { |
4e65a17e AA |
3338 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
3339 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
3340 | int length = TYPE_LENGTH (type); | |
3341 | int code = TYPE_CODE (type); | |
b0cf273e | 3342 | |
4e65a17e | 3343 | if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT) |
b0cf273e | 3344 | { |
4e65a17e AA |
3345 | /* Float-like value: left-aligned in f0. */ |
3346 | if (in != NULL) | |
3347 | regcache_cooked_write_part (regcache, S390_F0_REGNUM, | |
3348 | 0, length, in); | |
3349 | else | |
3350 | regcache_cooked_read_part (regcache, S390_F0_REGNUM, | |
3351 | 0, length, out); | |
3352 | } | |
417c80f9 AA |
3353 | else if (code == TYPE_CODE_ARRAY) |
3354 | { | |
3355 | /* Vector: left-aligned in v24. */ | |
3356 | if (in != NULL) | |
3357 | regcache_cooked_write_part (regcache, S390_V24_REGNUM, | |
3358 | 0, length, in); | |
3359 | else | |
3360 | regcache_cooked_read_part (regcache, S390_V24_REGNUM, | |
3361 | 0, length, out); | |
3362 | } | |
4e65a17e AA |
3363 | else if (length <= word_size) |
3364 | { | |
3365 | /* Integer: zero- or sign-extended in r2. */ | |
3366 | if (out != NULL) | |
3367 | regcache_cooked_read_part (regcache, S390_R2_REGNUM, | |
3368 | word_size - length, length, out); | |
3369 | else if (TYPE_UNSIGNED (type)) | |
3370 | regcache_cooked_write_unsigned | |
3371 | (regcache, S390_R2_REGNUM, | |
3372 | extract_unsigned_integer (in, length, byte_order)); | |
3373 | else | |
3374 | regcache_cooked_write_signed | |
3375 | (regcache, S390_R2_REGNUM, | |
3376 | extract_signed_integer (in, length, byte_order)); | |
b0cf273e | 3377 | } |
4e65a17e AA |
3378 | else if (length == 2 * word_size) |
3379 | { | |
3380 | /* Double word: in r2 and r3. */ | |
3381 | if (in != NULL) | |
3382 | { | |
3383 | regcache_cooked_write (regcache, S390_R2_REGNUM, in); | |
3384 | regcache_cooked_write (regcache, S390_R3_REGNUM, | |
3385 | in + word_size); | |
3386 | } | |
3387 | else | |
3388 | { | |
3389 | regcache_cooked_read (regcache, S390_R2_REGNUM, out); | |
3390 | regcache_cooked_read (regcache, S390_R3_REGNUM, | |
3391 | out + word_size); | |
3392 | } | |
3393 | } | |
3394 | else | |
3395 | internal_error (__FILE__, __LINE__, _("invalid return type")); | |
c8f9d51c JB |
3396 | } |
3397 | ||
4e65a17e AA |
3398 | |
3399 | /* Implement the 'return_value' gdbarch method. */ | |
3400 | ||
b0cf273e | 3401 | static enum return_value_convention |
6a3a010b | 3402 | s390_return_value (struct gdbarch *gdbarch, struct value *function, |
c055b101 CV |
3403 | struct type *type, struct regcache *regcache, |
3404 | gdb_byte *out, const gdb_byte *in) | |
5769d3cd | 3405 | { |
56b9d9ac | 3406 | enum return_value_convention rvc; |
56b9d9ac UW |
3407 | |
3408 | type = check_typedef (type); | |
56b9d9ac | 3409 | |
4e65a17e | 3410 | switch (TYPE_CODE (type)) |
b0cf273e | 3411 | { |
4e65a17e AA |
3412 | case TYPE_CODE_STRUCT: |
3413 | case TYPE_CODE_UNION: | |
4e65a17e AA |
3414 | case TYPE_CODE_COMPLEX: |
3415 | rvc = RETURN_VALUE_STRUCT_CONVENTION; | |
3416 | break; | |
417c80f9 AA |
3417 | case TYPE_CODE_ARRAY: |
3418 | rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128 | |
3419 | && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type)) | |
3420 | ? RETURN_VALUE_REGISTER_CONVENTION | |
3421 | : RETURN_VALUE_STRUCT_CONVENTION; | |
3422 | break; | |
4e65a17e AA |
3423 | default: |
3424 | rvc = TYPE_LENGTH (type) <= 8 | |
3425 | ? RETURN_VALUE_REGISTER_CONVENTION | |
3426 | : RETURN_VALUE_STRUCT_CONVENTION; | |
b0cf273e | 3427 | } |
5769d3cd | 3428 | |
4e65a17e AA |
3429 | if (in != NULL || out != NULL) |
3430 | { | |
3431 | if (rvc == RETURN_VALUE_REGISTER_CONVENTION) | |
3432 | s390_register_return_value (gdbarch, type, regcache, out, in); | |
3433 | else if (in != NULL) | |
3434 | error (_("Cannot set function return value.")); | |
3435 | else | |
3436 | error (_("Function return value unknown.")); | |
b0cf273e JB |
3437 | } |
3438 | ||
3439 | return rvc; | |
3440 | } | |
5769d3cd AC |
3441 | |
3442 | ||
a8c99f38 JB |
3443 | /* Breakpoints. */ |
3444 | ||
43af2100 | 3445 | static const gdb_byte * |
c378eb4e MS |
3446 | s390_breakpoint_from_pc (struct gdbarch *gdbarch, |
3447 | CORE_ADDR *pcptr, int *lenptr) | |
5769d3cd | 3448 | { |
43af2100 | 3449 | static const gdb_byte breakpoint[] = { 0x0, 0x1 }; |
5769d3cd AC |
3450 | |
3451 | *lenptr = sizeof (breakpoint); | |
3452 | return breakpoint; | |
3453 | } | |
3454 | ||
5769d3cd | 3455 | |
a8c99f38 | 3456 | /* Address handling. */ |
5769d3cd AC |
3457 | |
3458 | static CORE_ADDR | |
24568a2c | 3459 | s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr) |
5769d3cd | 3460 | { |
a8c99f38 | 3461 | return addr & 0x7fffffff; |
5769d3cd AC |
3462 | } |
3463 | ||
ffc65945 KB |
3464 | static int |
3465 | s390_address_class_type_flags (int byte_size, int dwarf2_addr_class) | |
3466 | { | |
3467 | if (byte_size == 4) | |
119ac181 | 3468 | return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; |
ffc65945 KB |
3469 | else |
3470 | return 0; | |
3471 | } | |
3472 | ||
3473 | static const char * | |
3474 | s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags) | |
3475 | { | |
119ac181 | 3476 | if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1) |
ffc65945 KB |
3477 | return "mode32"; |
3478 | else | |
3479 | return NULL; | |
3480 | } | |
3481 | ||
a78f21af | 3482 | static int |
c378eb4e MS |
3483 | s390_address_class_name_to_type_flags (struct gdbarch *gdbarch, |
3484 | const char *name, | |
ffc65945 KB |
3485 | int *type_flags_ptr) |
3486 | { | |
3487 | if (strcmp (name, "mode32") == 0) | |
3488 | { | |
119ac181 | 3489 | *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; |
ffc65945 KB |
3490 | return 1; |
3491 | } | |
3492 | else | |
3493 | return 0; | |
3494 | } | |
3495 | ||
60abeae4 AA |
3496 | /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or |
3497 | "-mcmodel=large". */ | |
a2658feb JK |
3498 | |
3499 | static char * | |
3500 | s390_gcc_target_options (struct gdbarch *gdbarch) | |
3501 | { | |
60abeae4 AA |
3502 | return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31"); |
3503 | } | |
3504 | ||
3505 | /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*" | |
3506 | for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is | |
3507 | always "s390". Note that an s390x compiler supports "-m31" as | |
3508 | well. */ | |
3509 | ||
3510 | static const char * | |
3511 | s390_gnu_triplet_regexp (struct gdbarch *gdbarch) | |
3512 | { | |
3513 | return "s390x?"; | |
a2658feb JK |
3514 | } |
3515 | ||
55aa24fb SDJ |
3516 | /* Implementation of `gdbarch_stap_is_single_operand', as defined in |
3517 | gdbarch.h. */ | |
3518 | ||
3519 | static int | |
3520 | s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s) | |
3521 | { | |
3522 | return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement | |
3523 | or indirection. */ | |
3524 | || *s == '%' /* Register access. */ | |
3525 | || isdigit (*s)); /* Literal number. */ | |
3526 | } | |
3527 | ||
566c56c9 MK |
3528 | /* Process record and replay helpers. */ |
3529 | ||
3530 | /* Takes the intermediate sum of address calculations and masks off upper | |
3531 | bits according to current addressing mode. */ | |
3532 | ||
3533 | static CORE_ADDR | |
3534 | s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache, | |
3535 | CORE_ADDR val) { | |
3536 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3537 | ULONGEST pswm, pswa; | |
3538 | int am; | |
3539 | if (tdep->abi == ABI_LINUX_S390) | |
3540 | { | |
3541 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
3542 | am = pswa >> 31 & 1; | |
3543 | } | |
3544 | else | |
3545 | { | |
3546 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm); | |
3547 | am = pswm >> 31 & 3; | |
3548 | } | |
3549 | switch (am) | |
3550 | { | |
3551 | case 0: | |
3552 | return val & 0xffffff; | |
3553 | case 1: | |
3554 | return val & 0x7fffffff; | |
3555 | case 3: | |
3556 | return val; | |
3557 | default: | |
3558 | fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am); | |
3559 | return 0; | |
3560 | } | |
3561 | } | |
3562 | ||
3563 | /* Calculates memory address using pre-calculated index, raw instruction word | |
3564 | with b and d/dl fields, and raw instruction byte with dh field. Index and | |
3565 | dh should be set to 0 if unused. */ | |
3566 | ||
3567 | static CORE_ADDR | |
3568 | s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache, | |
3569 | ULONGEST x, uint16_t bd, int8_t dh) | |
3570 | { | |
3571 | uint8_t rb = bd >> 12 & 0xf; | |
3572 | int32_t d = (bd & 0xfff) | ((int32_t)dh << 12); | |
3573 | ULONGEST b; | |
3574 | CORE_ADDR res = d + x; | |
3575 | if (rb) | |
3576 | { | |
3577 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b); | |
3578 | res += b; | |
3579 | } | |
3580 | return s390_record_address_mask (gdbarch, regcache, res); | |
3581 | } | |
3582 | ||
3583 | /* Calculates memory address using raw x, b + d/dl, dh fields from | |
3584 | instruction. rx and dh should be set to 0 if unused. */ | |
3585 | ||
3586 | static CORE_ADDR | |
3587 | s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache, | |
3588 | uint8_t rx, uint16_t bd, int8_t dh) | |
3589 | { | |
3590 | ULONGEST x = 0; | |
3591 | if (rx) | |
3592 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x); | |
3593 | return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
3594 | } | |
3595 | ||
3596 | /* Calculates memory address for VSCE[GF] instructions. */ | |
3597 | ||
3598 | static int | |
3599 | s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache, | |
3600 | uint8_t vx, uint8_t el, uint8_t es, uint16_t bd, | |
3601 | int8_t dh, CORE_ADDR *res) | |
3602 | { | |
3603 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3604 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
3605 | ULONGEST x; | |
3606 | gdb_byte buf[16]; | |
3607 | if (tdep->v0_full_regnum == -1 || el * es >= 16) | |
3608 | return -1; | |
3609 | if (vx < 16) | |
3610 | regcache_cooked_read (regcache, tdep->v0_full_regnum + vx, buf); | |
3611 | else | |
3612 | regcache_raw_read (regcache, S390_V16_REGNUM + vx - 16, buf); | |
3613 | x = extract_unsigned_integer (buf + el * es, es, byte_order); | |
3614 | *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
3615 | return 0; | |
3616 | } | |
3617 | ||
3618 | /* Calculates memory address for instructions with relative long addressing. */ | |
3619 | ||
3620 | static CORE_ADDR | |
3621 | s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache, | |
3622 | CORE_ADDR addr, uint16_t i1, uint16_t i2) | |
3623 | { | |
3624 | int32_t ri = i1 << 16 | i2; | |
3625 | return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2); | |
3626 | } | |
3627 | ||
3628 | /* Population count helper. */ | |
3629 | ||
3630 | static int s390_popcnt (unsigned int x) { | |
3631 | int res = 0; | |
3632 | while (x) | |
3633 | { | |
3634 | if (x & 1) | |
3635 | res++; | |
3636 | x >>= 1; | |
3637 | } | |
3638 | return res; | |
3639 | } | |
3640 | ||
3641 | /* Record 64-bit register. */ | |
3642 | ||
3643 | static int | |
3644 | s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3645 | { | |
3646 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3647 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
3648 | return -1; | |
3649 | if (tdep->abi == ABI_LINUX_S390) | |
3650 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
3651 | return -1; | |
3652 | return 0; | |
3653 | } | |
3654 | ||
3655 | /* Record high 32 bits of a register. */ | |
3656 | ||
3657 | static int | |
3658 | s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3659 | { | |
3660 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3661 | if (tdep->abi == ABI_LINUX_S390) | |
3662 | { | |
3663 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
3664 | return -1; | |
3665 | } | |
3666 | else | |
3667 | { | |
3668 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
3669 | return -1; | |
3670 | } | |
3671 | return 0; | |
3672 | } | |
3673 | ||
3674 | /* Record vector register. */ | |
3675 | ||
3676 | static int | |
3677 | s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3678 | { | |
3679 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3680 | if (i < 16) | |
3681 | { | |
3682 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) | |
3683 | return -1; | |
3684 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) | |
3685 | return -1; | |
3686 | } | |
3687 | else | |
3688 | { | |
3689 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16)) | |
3690 | return -1; | |
3691 | } | |
3692 | return 0; | |
3693 | } | |
3694 | ||
3695 | static int | |
3696 | s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache, | |
3697 | CORE_ADDR addr) | |
3698 | { | |
3699 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3700 | uint16_t insn[3] = {0}; | |
3701 | /* Instruction as bytes. */ | |
3702 | uint8_t ibyte[6]; | |
3703 | /* Instruction as nibbles. */ | |
3704 | uint8_t inib[12]; | |
3705 | /* Instruction vector registers. */ | |
3706 | uint8_t ivec[4]; | |
3707 | CORE_ADDR oaddr, oaddr2, oaddr3; | |
3708 | ULONGEST tmp; | |
3709 | int i, n; | |
3710 | /* if EX/EXRL instruction used, here's the reg parameter */ | |
3711 | int ex = -1; | |
3712 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
3713 | ||
3714 | /* Attempting to use EX or EXRL jumps back here */ | |
3715 | ex: | |
3716 | ||
3717 | /* Read instruction. */ | |
3718 | insn[0] = read_memory_unsigned_integer (addr, 2, byte_order); | |
3719 | /* If execute was involved, do the adjustment. */ | |
3720 | if (ex != -1) | |
3721 | insn[0] |= ex & 0xff; | |
3722 | /* Two highest bits determine instruction size. */ | |
3723 | if (insn[0] >= 0x4000) | |
3724 | insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order); | |
3725 | else | |
3726 | /* Not necessary, but avoids uninitialized variable warnings. */ | |
3727 | insn[1] = 0; | |
3728 | if (insn[0] >= 0xc000) | |
3729 | insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order); | |
3730 | else | |
3731 | insn[2] = 0; | |
3732 | /* Split instruction into bytes and nibbles. */ | |
3733 | for (i = 0; i < 3; i++) | |
3734 | { | |
3735 | ibyte[i*2] = insn[i] >> 8 & 0xff; | |
3736 | ibyte[i*2+1] = insn[i] & 0xff; | |
3737 | } | |
3738 | for (i = 0; i < 6; i++) | |
3739 | { | |
3740 | inib[i*2] = ibyte[i] >> 4 & 0xf; | |
3741 | inib[i*2+1] = ibyte[i] & 0xf; | |
3742 | } | |
3743 | /* Compute vector registers, if applicable. */ | |
3744 | ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2]; | |
3745 | ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3]; | |
3746 | ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4]; | |
3747 | ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8]; | |
3748 | ||
3749 | switch (ibyte[0]) | |
3750 | { | |
3751 | /* 0x00 undefined */ | |
3752 | ||
3753 | case 0x01: | |
3754 | /* E-format instruction */ | |
3755 | switch (ibyte[1]) | |
3756 | { | |
3757 | /* 0x00 undefined */ | |
3758 | /* 0x01 unsupported: PR - program return */ | |
3759 | /* 0x02 unsupported: UPT */ | |
3760 | /* 0x03 undefined */ | |
3761 | /* 0x04 privileged: PTFF - perform timing facility function */ | |
3762 | /* 0x05-0x06 undefined */ | |
3763 | /* 0x07 privileged: SCKPF - set clock programmable field */ | |
3764 | /* 0x08-0x09 undefined */ | |
3765 | ||
3766 | case 0x0a: /* PFPO - perform floating point operation */ | |
3767 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
3768 | if (!(tmp & 0x80000000u)) | |
3769 | { | |
3770 | uint8_t ofc = tmp >> 16 & 0xff; | |
3771 | switch (ofc) | |
3772 | { | |
3773 | case 0x00: /* HFP32 */ | |
3774 | case 0x01: /* HFP64 */ | |
3775 | case 0x05: /* BFP32 */ | |
3776 | case 0x06: /* BFP64 */ | |
3777 | case 0x08: /* DFP32 */ | |
3778 | case 0x09: /* DFP64 */ | |
3779 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
3780 | return -1; | |
3781 | break; | |
3782 | case 0x02: /* HFP128 */ | |
3783 | case 0x07: /* BFP128 */ | |
3784 | case 0x0a: /* DFP128 */ | |
3785 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
3786 | return -1; | |
3787 | if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM)) | |
3788 | return -1; | |
3789 | break; | |
3790 | default: | |
3791 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n", | |
3792 | ofc, paddress (gdbarch, addr)); | |
3793 | return -1; | |
3794 | } | |
3795 | ||
3796 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3797 | return -1; | |
3798 | } | |
3799 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
3800 | return -1; | |
3801 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3802 | return -1; | |
3803 | break; | |
3804 | ||
3805 | case 0x0b: /* TAM - test address mode */ | |
3806 | case 0x0c: /* SAM24 - set address mode 24 */ | |
3807 | case 0x0d: /* SAM31 - set address mode 31 */ | |
3808 | case 0x0e: /* SAM64 - set address mode 64 */ | |
3809 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3810 | return -1; | |
3811 | break; | |
3812 | ||
3813 | /* 0x0f-0xfe undefined */ | |
3814 | ||
3815 | /* 0xff unsupported: TRAP */ | |
3816 | ||
3817 | default: | |
3818 | goto UNKNOWN_OP; | |
3819 | } | |
3820 | break; | |
3821 | ||
3822 | /* 0x02 undefined */ | |
3823 | /* 0x03 undefined */ | |
3824 | ||
3825 | case 0x04: /* SPM - set program mask */ | |
3826 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3827 | return -1; | |
3828 | break; | |
3829 | ||
3830 | case 0x05: /* BALR - branch and link */ | |
3831 | case 0x45: /* BAL - branch and link */ | |
3832 | case 0x06: /* BCTR - branch on count */ | |
3833 | case 0x46: /* BCT - branch on count */ | |
3834 | case 0x0d: /* BASR - branch and save */ | |
3835 | case 0x4d: /* BAS - branch and save */ | |
3836 | case 0x84: /* BRXH - branch relative on index high */ | |
3837 | case 0x85: /* BRXLE - branch relative on index low or equal */ | |
3838 | case 0x86: /* BXH - branch on index high */ | |
3839 | case 0x87: /* BXLE - branch on index low or equal */ | |
3840 | /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX* | |
3841 | use 32-bit destination as counter. */ | |
3842 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3843 | return -1; | |
3844 | break; | |
3845 | ||
3846 | case 0x07: /* BCR - branch on condition */ | |
3847 | case 0x47: /* BC - branch on condition */ | |
3848 | /* No effect other than PC transfer. */ | |
3849 | break; | |
3850 | ||
3851 | /* 0x08 undefined */ | |
3852 | /* 0x09 undefined */ | |
3853 | ||
3854 | case 0x0a: | |
3855 | /* SVC - supervisor call */ | |
3856 | if (s390_linux_syscall_record (regcache, ibyte[1])) | |
3857 | return -1; | |
3858 | break; | |
3859 | ||
3860 | case 0x0b: /* BSM - branch and set mode */ | |
3861 | if (inib[2]) | |
3862 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3863 | return -1; | |
3864 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3865 | return -1; | |
3866 | break; | |
3867 | ||
3868 | case 0x0c: /* BASSM - branch and save and set mode */ | |
3869 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3870 | return -1; | |
3871 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3872 | return -1; | |
3873 | break; | |
3874 | ||
3875 | case 0x0e: /* MVCL - move long [interruptible] */ | |
3876 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
3877 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3878 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
3879 | tmp &= 0xffffff; | |
3880 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3881 | return -1; | |
3882 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3883 | return -1; | |
3884 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3885 | return -1; | |
3886 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3887 | return -1; | |
3888 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
3889 | return -1; | |
3890 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3891 | return -1; | |
3892 | break; | |
3893 | ||
3894 | case 0x0f: /* CLCL - compare logical long [interruptible] */ | |
3895 | case 0xa9: /* CLCLE - compare logical long extended [partial] */ | |
3896 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3897 | return -1; | |
3898 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3899 | return -1; | |
3900 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3901 | return -1; | |
3902 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
3903 | return -1; | |
3904 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3905 | return -1; | |
3906 | break; | |
3907 | ||
3908 | case 0x10: /* LPR - load positive */ | |
3909 | case 0x11: /* LNR - load negative */ | |
3910 | case 0x12: /* LTR - load and test */ | |
3911 | case 0x13: /* LCR - load complement */ | |
3912 | case 0x14: /* NR - and */ | |
3913 | case 0x16: /* OR - or */ | |
3914 | case 0x17: /* XR - xor */ | |
3915 | case 0x1a: /* AR - add */ | |
3916 | case 0x1b: /* SR - subtract */ | |
3917 | case 0x1e: /* ALR - add logical */ | |
3918 | case 0x1f: /* SLR - subtract logical */ | |
3919 | case 0x54: /* N - and */ | |
3920 | case 0x56: /* O - or */ | |
3921 | case 0x57: /* X - xor */ | |
3922 | case 0x5a: /* A - add */ | |
3923 | case 0x5b: /* S - subtract */ | |
3924 | case 0x5e: /* AL - add logical */ | |
3925 | case 0x5f: /* SL - subtract logical */ | |
3926 | case 0x4a: /* AH - add halfword */ | |
3927 | case 0x4b: /* SH - subtract halfword */ | |
3928 | case 0x8a: /* SRA - shift right single */ | |
3929 | case 0x8b: /* SLA - shift left single */ | |
3930 | case 0xbf: /* ICM - insert characters under mask */ | |
3931 | /* 32-bit destination + flags */ | |
3932 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3933 | return -1; | |
3934 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3935 | return -1; | |
3936 | break; | |
3937 | ||
3938 | case 0x15: /* CLR - compare logical */ | |
3939 | case 0x55: /* CL - compare logical */ | |
3940 | case 0x19: /* CR - compare */ | |
3941 | case 0x29: /* CDR - compare */ | |
3942 | case 0x39: /* CER - compare */ | |
3943 | case 0x49: /* CH - compare halfword */ | |
3944 | case 0x59: /* C - compare */ | |
3945 | case 0x69: /* CD - compare */ | |
3946 | case 0x79: /* CE - compare */ | |
3947 | case 0x91: /* TM - test under mask */ | |
3948 | case 0x95: /* CLI - compare logical */ | |
3949 | case 0xbd: /* CLM - compare logical under mask */ | |
3950 | case 0xd5: /* CLC - compare logical */ | |
3951 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3952 | return -1; | |
3953 | break; | |
3954 | ||
3955 | case 0x18: /* LR - load */ | |
3956 | case 0x48: /* LH - load halfword */ | |
3957 | case 0x58: /* L - load */ | |
3958 | case 0x41: /* LA - load address */ | |
3959 | case 0x43: /* IC - insert character */ | |
3960 | case 0x4c: /* MH - multiply halfword */ | |
3961 | case 0x71: /* MS - multiply single */ | |
3962 | case 0x88: /* SRL - shift right single logical */ | |
3963 | case 0x89: /* SLL - shift left single logical */ | |
3964 | /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */ | |
3965 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3966 | return -1; | |
3967 | break; | |
3968 | ||
3969 | case 0x1c: /* MR - multiply */ | |
3970 | case 0x5c: /* M - multiply */ | |
3971 | case 0x1d: /* DR - divide */ | |
3972 | case 0x5d: /* D - divide */ | |
3973 | case 0x8c: /* SRDL - shift right double logical */ | |
3974 | case 0x8d: /* SLDL - shift left double logical */ | |
3975 | /* 32-bit pair destination, no flags */ | |
3976 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3977 | return -1; | |
3978 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3979 | return -1; | |
3980 | break; | |
3981 | ||
3982 | case 0x20: /* LPDR - load positive */ | |
3983 | case 0x30: /* LPER - load positive */ | |
3984 | case 0x21: /* LNDR - load negative */ | |
3985 | case 0x31: /* LNER - load negative */ | |
3986 | case 0x22: /* LTDR - load and test */ | |
3987 | case 0x32: /* LTER - load and test */ | |
3988 | case 0x23: /* LCDR - load complement */ | |
3989 | case 0x33: /* LCER - load complement */ | |
3990 | case 0x2a: /* ADR - add */ | |
3991 | case 0x3a: /* AER - add */ | |
3992 | case 0x6a: /* AD - add */ | |
3993 | case 0x7a: /* AE - add */ | |
3994 | case 0x2b: /* SDR - subtract */ | |
3995 | case 0x3b: /* SER - subtract */ | |
3996 | case 0x6b: /* SD - subtract */ | |
3997 | case 0x7b: /* SE - subtract */ | |
3998 | case 0x2e: /* AWR - add unnormalized */ | |
3999 | case 0x3e: /* AUR - add unnormalized */ | |
4000 | case 0x6e: /* AW - add unnormalized */ | |
4001 | case 0x7e: /* AU - add unnormalized */ | |
4002 | case 0x2f: /* SWR - subtract unnormalized */ | |
4003 | case 0x3f: /* SUR - subtract unnormalized */ | |
4004 | case 0x6f: /* SW - subtract unnormalized */ | |
4005 | case 0x7f: /* SU - subtract unnormalized */ | |
4006 | /* float destination + flags */ | |
4007 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4008 | return -1; | |
4009 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4010 | return -1; | |
4011 | break; | |
4012 | ||
4013 | case 0x24: /* HDR - halve */ | |
4014 | case 0x34: /* HER - halve */ | |
4015 | case 0x25: /* LDXR - load rounded */ | |
4016 | case 0x35: /* LEDR - load rounded */ | |
4017 | case 0x28: /* LDR - load */ | |
4018 | case 0x38: /* LER - load */ | |
4019 | case 0x68: /* LD - load */ | |
4020 | case 0x78: /* LE - load */ | |
4021 | case 0x2c: /* MDR - multiply */ | |
4022 | case 0x3c: /* MDER - multiply */ | |
4023 | case 0x6c: /* MD - multiply */ | |
4024 | case 0x7c: /* MDE - multiply */ | |
4025 | case 0x2d: /* DDR - divide */ | |
4026 | case 0x3d: /* DER - divide */ | |
4027 | case 0x6d: /* DD - divide */ | |
4028 | case 0x7d: /* DE - divide */ | |
4029 | /* float destination, no flags */ | |
4030 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4031 | return -1; | |
4032 | break; | |
4033 | ||
4034 | case 0x26: /* MXR - multiply */ | |
4035 | case 0x27: /* MXDR - multiply */ | |
4036 | case 0x67: /* MXD - multiply */ | |
4037 | /* float pair destination, no flags */ | |
4038 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4039 | return -1; | |
4040 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
4041 | return -1; | |
4042 | break; | |
4043 | ||
4044 | case 0x36: /* AXR - add */ | |
4045 | case 0x37: /* SXR - subtract */ | |
4046 | /* float pair destination + flags */ | |
4047 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4048 | return -1; | |
4049 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
4050 | return -1; | |
4051 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4052 | return -1; | |
4053 | break; | |
4054 | ||
4055 | case 0x40: /* STH - store halfword */ | |
4056 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4057 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
4058 | return -1; | |
4059 | break; | |
4060 | ||
4061 | case 0x42: /* STC - store character */ | |
4062 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4063 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4064 | return -1; | |
4065 | break; | |
4066 | ||
4067 | case 0x44: /* EX - execute */ | |
4068 | if (ex != -1) | |
4069 | { | |
4070 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
4071 | paddress (gdbarch, addr)); | |
4072 | return -1; | |
4073 | } | |
4074 | addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4075 | if (inib[2]) | |
4076 | { | |
4077 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
4078 | ex = tmp & 0xff; | |
4079 | } | |
4080 | else | |
4081 | { | |
4082 | ex = 0; | |
4083 | } | |
4084 | goto ex; | |
4085 | ||
4086 | case 0x4e: /* CVD - convert to decimal */ | |
4087 | case 0x60: /* STD - store */ | |
4088 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4089 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4090 | return -1; | |
4091 | break; | |
4092 | ||
4093 | case 0x4f: /* CVB - convert to binary */ | |
4094 | /* 32-bit gpr destination + FPC (DXC write) */ | |
4095 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4096 | return -1; | |
4097 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4098 | return -1; | |
4099 | break; | |
4100 | ||
4101 | case 0x50: /* ST - store */ | |
4102 | case 0x70: /* STE - store */ | |
4103 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4104 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4105 | return -1; | |
4106 | break; | |
4107 | ||
4108 | case 0x51: /* LAE - load address extended */ | |
4109 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4110 | return -1; | |
4111 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
4112 | return -1; | |
4113 | break; | |
4114 | ||
4115 | /* 0x52 undefined */ | |
4116 | /* 0x53 undefined */ | |
4117 | ||
4118 | /* 0x61-0x66 undefined */ | |
4119 | ||
4120 | /* 0x72-0x77 undefined */ | |
4121 | ||
4122 | /* 0x80 privileged: SSM - set system mask */ | |
4123 | /* 0x81 undefined */ | |
4124 | /* 0x82 privileged: LPSW - load PSW */ | |
4125 | /* 0x83 privileged: diagnose */ | |
4126 | ||
4127 | case 0x8e: /* SRDA - shift right double */ | |
4128 | case 0x8f: /* SLDA - shift left double */ | |
4129 | /* 32-bit pair destination + flags */ | |
4130 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4131 | return -1; | |
4132 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4133 | return -1; | |
4134 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4135 | return -1; | |
4136 | break; | |
4137 | ||
4138 | case 0x90: /* STM - store multiple */ | |
4139 | case 0x9b: /* STAM - store access multiple */ | |
4140 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4141 | if (inib[2] <= inib[3]) | |
4142 | n = inib[3] - inib[2] + 1; | |
4143 | else | |
4144 | n = inib[3] + 0x10 - inib[2] + 1; | |
4145 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
4146 | return -1; | |
4147 | break; | |
4148 | ||
4149 | case 0x92: /* MVI - move */ | |
4150 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4151 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4152 | return -1; | |
4153 | break; | |
4154 | ||
4155 | case 0x93: /* TS - test and set */ | |
4156 | case 0x94: /* NI - and */ | |
4157 | case 0x96: /* OI - or */ | |
4158 | case 0x97: /* XI - xor */ | |
4159 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4160 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4161 | return -1; | |
4162 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4163 | return -1; | |
4164 | break; | |
4165 | ||
4166 | case 0x98: /* LM - load multiple */ | |
4167 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
4168 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
4169 | return -1; | |
4170 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
4171 | return -1; | |
4172 | break; | |
4173 | ||
4174 | /* 0x99 privileged: TRACE */ | |
4175 | ||
4176 | case 0x9a: /* LAM - load access multiple */ | |
4177 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
4178 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
4179 | return -1; | |
4180 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
4181 | return -1; | |
4182 | break; | |
4183 | ||
4184 | /* 0x9c-0x9f privileged and obsolete (old I/O) */ | |
4185 | /* 0xa0-0xa4 undefined */ | |
4186 | ||
4187 | case 0xa5: | |
4188 | case 0xa7: | |
4189 | /* RI-format instruction */ | |
4190 | switch (ibyte[0] << 4 | inib[3]) | |
4191 | { | |
4192 | case 0xa50: /* IIHH - insert immediate */ | |
4193 | case 0xa51: /* IIHL - insert immediate */ | |
4194 | /* high 32-bit destination */ | |
4195 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4196 | return -1; | |
4197 | break; | |
4198 | ||
4199 | case 0xa52: /* IILH - insert immediate */ | |
4200 | case 0xa53: /* IILL - insert immediate */ | |
4201 | case 0xa75: /* BRAS - branch relative and save */ | |
4202 | case 0xa76: /* BRCT - branch relative on count */ | |
4203 | case 0xa78: /* LHI - load halfword immediate */ | |
4204 | case 0xa7c: /* MHI - multiply halfword immediate */ | |
4205 | /* 32-bit or native destination */ | |
4206 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4207 | return -1; | |
4208 | break; | |
4209 | ||
4210 | case 0xa54: /* NIHH - and immediate */ | |
4211 | case 0xa55: /* NIHL - and immediate */ | |
4212 | case 0xa58: /* OIHH - or immediate */ | |
4213 | case 0xa59: /* OIHL - or immediate */ | |
4214 | /* high 32-bit destination + flags */ | |
4215 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4216 | return -1; | |
4217 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4218 | return -1; | |
4219 | break; | |
4220 | ||
4221 | case 0xa56: /* NILH - and immediate */ | |
4222 | case 0xa57: /* NILL - and immediate */ | |
4223 | case 0xa5a: /* OILH - or immediate */ | |
4224 | case 0xa5b: /* OILL - or immediate */ | |
4225 | case 0xa7a: /* AHI - add halfword immediate */ | |
4226 | /* 32-bit destination + flags */ | |
4227 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4228 | return -1; | |
4229 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4230 | return -1; | |
4231 | break; | |
4232 | ||
4233 | case 0xa5c: /* LLIHH - load logical immediate */ | |
4234 | case 0xa5d: /* LLIHL - load logical immediate */ | |
4235 | case 0xa5e: /* LLILH - load logical immediate */ | |
4236 | case 0xa5f: /* LLILL - load logical immediate */ | |
4237 | case 0xa77: /* BRCTG - branch relative on count */ | |
4238 | case 0xa79: /* LGHI - load halfword immediate */ | |
4239 | case 0xa7d: /* MGHI - multiply halfword immediate */ | |
4240 | /* 64-bit destination */ | |
4241 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4242 | return -1; | |
4243 | break; | |
4244 | ||
4245 | case 0xa70: /* TMLH - test under mask */ | |
4246 | case 0xa71: /* TMLL - test under mask */ | |
4247 | case 0xa72: /* TMHH - test under mask */ | |
4248 | case 0xa73: /* TMHL - test under mask */ | |
4249 | case 0xa7e: /* CHI - compare halfword immediate */ | |
4250 | case 0xa7f: /* CGHI - compare halfword immediate */ | |
4251 | /* flags only */ | |
4252 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4253 | return -1; | |
4254 | break; | |
4255 | ||
4256 | case 0xa74: /* BRC - branch relative on condition */ | |
4257 | /* no register change */ | |
4258 | break; | |
4259 | ||
4260 | case 0xa7b: /* AGHI - add halfword immediate */ | |
4261 | /* 64-bit destination + flags */ | |
4262 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4263 | return -1; | |
4264 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4265 | return -1; | |
4266 | break; | |
4267 | ||
4268 | default: | |
4269 | goto UNKNOWN_OP; | |
4270 | } | |
4271 | break; | |
4272 | ||
4273 | /* 0xa6 undefined */ | |
4274 | ||
4275 | case 0xa8: /* MVCLE - move long extended [partial] */ | |
4276 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
4277 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4278 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
4279 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4280 | return -1; | |
4281 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4282 | return -1; | |
4283 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4284 | return -1; | |
4285 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
4286 | return -1; | |
4287 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
4288 | return -1; | |
4289 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4290 | return -1; | |
4291 | break; | |
4292 | ||
4293 | /* 0xaa-0xab undefined */ | |
4294 | /* 0xac privileged: STNSM - store then and system mask */ | |
4295 | /* 0xad privileged: STOSM - store then or system mask */ | |
4296 | /* 0xae privileged: SIGP - signal processor */ | |
4297 | /* 0xaf unsupported: MC - monitor call */ | |
4298 | /* 0xb0 undefined */ | |
4299 | /* 0xb1 privileged: LRA - load real address */ | |
4300 | ||
4301 | case 0xb2: | |
4302 | case 0xb3: | |
4303 | case 0xb9: | |
4304 | /* S/RRD/RRE/RRF/IE-format instruction */ | |
4305 | switch (insn[0]) | |
4306 | { | |
4307 | /* 0xb200-0xb204 undefined or privileged */ | |
4308 | ||
4309 | case 0xb205: /* STCK - store clock */ | |
4310 | case 0xb27c: /* STCKF - store clock fast */ | |
4311 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4312 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4313 | return -1; | |
4314 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4315 | return -1; | |
4316 | break; | |
4317 | ||
4318 | /* 0xb206-0xb219 undefined, privileged, or unsupported */ | |
4319 | /* 0xb21a unsupported: CFC */ | |
4320 | /* 0xb21b-0xb221 undefined or privileged */ | |
4321 | ||
4322 | case 0xb222: /* IPM - insert program mask */ | |
4323 | case 0xb24f: /* EAR - extract access */ | |
4324 | case 0xb252: /* MSR - multiply single */ | |
4325 | case 0xb2ec: /* ETND - extract transaction nesting depth */ | |
4326 | case 0xb38c: /* EFPC - extract fpc */ | |
4327 | case 0xb91f: /* LRVR - load reversed */ | |
4328 | case 0xb926: /* LBR - load byte */ | |
4329 | case 0xb927: /* LHR - load halfword */ | |
4330 | case 0xb994: /* LLCR - load logical character */ | |
4331 | case 0xb995: /* LLHR - load logical halfword */ | |
4332 | case 0xb9f2: /* LOCR - load on condition */ | |
4333 | /* 32-bit gpr destination */ | |
4334 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4335 | return -1; | |
4336 | break; | |
4337 | ||
4338 | /* 0xb223-0xb22c privileged or unsupported */ | |
4339 | ||
4340 | case 0xb22d: /* DXR - divide */ | |
4341 | case 0xb325: /* LXDR - load lengthened */ | |
4342 | case 0xb326: /* LXER - load lengthened */ | |
4343 | case 0xb336: /* SQXR - square root */ | |
4344 | case 0xb365: /* LXR - load */ | |
4345 | case 0xb367: /* FIXR - load fp integer */ | |
4346 | case 0xb376: /* LZXR - load zero */ | |
4347 | case 0xb3b6: /* CXFR - convert from fixed */ | |
4348 | case 0xb3c6: /* CXGR - convert from fixed */ | |
4349 | case 0xb3fe: /* IEXTR - insert biased exponent */ | |
4350 | /* float pair destination */ | |
4351 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4352 | return -1; | |
4353 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4354 | return -1; | |
4355 | break; | |
4356 | ||
4357 | /* 0xb22e-0xb240 undefined, privileged, or unsupported */ | |
4358 | ||
4359 | case 0xb241: /* CKSM - checksum [partial] */ | |
4360 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4361 | return -1; | |
4362 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4363 | return -1; | |
4364 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4365 | return -1; | |
4366 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4367 | return -1; | |
4368 | break; | |
4369 | ||
4370 | /* 0xb242-0xb243 undefined */ | |
4371 | ||
4372 | case 0xb244: /* SQDR - square root */ | |
4373 | case 0xb245: /* SQER - square root */ | |
4374 | case 0xb324: /* LDER - load lengthened */ | |
4375 | case 0xb337: /* MEER - multiply */ | |
4376 | case 0xb366: /* LEXR - load rounded */ | |
4377 | case 0xb370: /* LPDFR - load positive */ | |
4378 | case 0xb371: /* LNDFR - load negative */ | |
4379 | case 0xb372: /* CSDFR - copy sign */ | |
4380 | case 0xb373: /* LCDFR - load complement */ | |
4381 | case 0xb374: /* LZER - load zero */ | |
4382 | case 0xb375: /* LZDR - load zero */ | |
4383 | case 0xb377: /* FIER - load fp integer */ | |
4384 | case 0xb37f: /* FIDR - load fp integer */ | |
4385 | case 0xb3b4: /* CEFR - convert from fixed */ | |
4386 | case 0xb3b5: /* CDFR - convert from fixed */ | |
4387 | case 0xb3c1: /* LDGR - load fpr from gr */ | |
4388 | case 0xb3c4: /* CEGR - convert from fixed */ | |
4389 | case 0xb3c5: /* CDGR - convert from fixed */ | |
4390 | case 0xb3f6: /* IEDTR - insert biased exponent */ | |
4391 | /* float destination */ | |
4392 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4393 | return -1; | |
4394 | break; | |
4395 | ||
4396 | /* 0xb246-0xb24c: privileged or unsupported */ | |
4397 | ||
4398 | case 0xb24d: /* CPYA - copy access */ | |
4399 | case 0xb24e: /* SAR - set access */ | |
4400 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6])) | |
4401 | return -1; | |
4402 | break; | |
4403 | ||
4404 | /* 0xb250-0xb251 undefined or privileged */ | |
4405 | /* 0xb253-0xb254 undefined or privileged */ | |
4406 | ||
4407 | case 0xb255: /* MVST - move string [partial] */ | |
4408 | { | |
4409 | uint8_t end; | |
4410 | gdb_byte cur; | |
4411 | ULONGEST num = 0; | |
4412 | /* Read ending byte. */ | |
4413 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4414 | end = tmp & 0xff; | |
4415 | /* Get address of second operand. */ | |
4416 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp); | |
4417 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4418 | /* Search for ending byte and compute length. */ | |
4419 | do { | |
4420 | num++; | |
4421 | if (target_read_memory (oaddr, &cur, 1)) | |
4422 | return -1; | |
4423 | oaddr++; | |
4424 | } while (cur != end); | |
4425 | /* Get address of first operand and record it. */ | |
4426 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4427 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4428 | if (record_full_arch_list_add_mem (oaddr, num)) | |
4429 | return -1; | |
4430 | /* Record the registers. */ | |
4431 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4432 | return -1; | |
4433 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4434 | return -1; | |
4435 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4436 | return -1; | |
4437 | } | |
4438 | break; | |
4439 | ||
4440 | /* 0xb256 undefined */ | |
4441 | ||
4442 | case 0xb257: /* CUSE - compare until substring equal [interruptible] */ | |
4443 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4444 | return -1; | |
4445 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4446 | return -1; | |
4447 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4448 | return -1; | |
4449 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4450 | return -1; | |
4451 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4452 | return -1; | |
4453 | break; | |
4454 | ||
4455 | /* 0xb258-0xb25c undefined, privileged, or unsupported */ | |
4456 | ||
4457 | case 0xb25d: /* CLST - compare logical string [partial] */ | |
4458 | case 0xb25e: /* SRST - search string [partial] */ | |
4459 | case 0xb9be: /* SRSTU - search string unicode [partial] */ | |
4460 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4461 | return -1; | |
4462 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4463 | return -1; | |
4464 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4465 | return -1; | |
4466 | break; | |
4467 | ||
4468 | /* 0xb25f-0xb262 undefined */ | |
4469 | ||
4470 | case 0xb263: /* CMPSC - compression call [interruptible] */ | |
4471 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4472 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4473 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4474 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4475 | return -1; | |
4476 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4477 | return -1; | |
4478 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4479 | return -1; | |
4480 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4481 | return -1; | |
4482 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4483 | return -1; | |
4484 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
4485 | return -1; | |
4486 | /* DXC may be written */ | |
4487 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4488 | return -1; | |
4489 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4490 | return -1; | |
4491 | break; | |
4492 | ||
4493 | /* 0xb264-0xb277 undefined, privileged, or unsupported */ | |
4494 | ||
4495 | case 0xb278: /* STCKE - store clock extended */ | |
4496 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4497 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4498 | return -1; | |
4499 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4500 | return -1; | |
4501 | break; | |
4502 | ||
4503 | /* 0xb279-0xb27b undefined or unsupported */ | |
4504 | /* 0xb27d-0xb298 undefined or privileged */ | |
4505 | ||
4506 | case 0xb299: /* SRNM - set rounding mode */ | |
4507 | case 0xb2b8: /* SRNMB - set bfp rounding mode */ | |
4508 | case 0xb2b9: /* SRNMT - set dfp rounding mode */ | |
4509 | case 0xb29d: /* LFPC - load fpc */ | |
4510 | case 0xb2bd: /* LFAS - load fpc and signal */ | |
4511 | case 0xb384: /* SFPC - set fpc */ | |
4512 | case 0xb385: /* SFASR - set fpc and signal */ | |
4513 | case 0xb960: /* CGRT - compare and trap */ | |
4514 | case 0xb961: /* CLGRT - compare logical and trap */ | |
4515 | case 0xb972: /* CRT - compare and trap */ | |
4516 | case 0xb973: /* CLRT - compare logical and trap */ | |
4517 | /* fpc only - including possible DXC write for trapping insns */ | |
4518 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4519 | return -1; | |
4520 | break; | |
4521 | ||
4522 | /* 0xb29a-0xb29b undefined */ | |
4523 | ||
4524 | case 0xb29c: /* STFPC - store fpc */ | |
4525 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4526 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4527 | return -1; | |
4528 | break; | |
4529 | ||
4530 | /* 0xb29e-0xb2a4 undefined */ | |
4531 | ||
4532 | case 0xb2a5: /* TRE - translate extended [partial] */ | |
4533 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4534 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4535 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4536 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4537 | return -1; | |
4538 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4539 | return -1; | |
4540 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4541 | return -1; | |
4542 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4543 | return -1; | |
4544 | break; | |
4545 | ||
4546 | case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */ | |
4547 | case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */ | |
4548 | case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */ | |
4549 | case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */ | |
4550 | case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */ | |
4551 | case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */ | |
4552 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4553 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4554 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4555 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4556 | return -1; | |
4557 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4558 | return -1; | |
4559 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4560 | return -1; | |
4561 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4562 | return -1; | |
4563 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4564 | return -1; | |
4565 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4566 | return -1; | |
4567 | break; | |
4568 | ||
4569 | /* 0xb2a8-0xb2af undefined */ | |
4570 | ||
4571 | case 0xb2b0: /* STFLE - store facility list extended */ | |
4572 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4573 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4574 | tmp &= 0xff; | |
4575 | if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1))) | |
4576 | return -1; | |
4577 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM)) | |
4578 | return -1; | |
4579 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4580 | return -1; | |
4581 | break; | |
4582 | ||
4583 | /* 0xb2b1-0xb2b7 undefined or privileged */ | |
4584 | /* 0xb2ba-0xb2bc undefined */ | |
4585 | /* 0xb2be-0xb2e7 undefined */ | |
4586 | /* 0xb2e9-0xb2eb undefined */ | |
4587 | /* 0xb2ed-0xb2f7 undefined */ | |
4588 | /* 0xb2f8 unsupported: TEND */ | |
4589 | /* 0xb2f9 undefined */ | |
4590 | ||
4591 | case 0xb2e8: /* PPA - perform processor assist */ | |
4592 | case 0xb2fa: /* NIAI - next instruction access intent */ | |
4593 | /* no visible effects */ | |
4594 | break; | |
4595 | ||
4596 | /* 0xb2fb undefined */ | |
4597 | /* 0xb2fc unsupported: TABORT */ | |
4598 | /* 0xb2fd-0xb2fe undefined */ | |
4599 | /* 0xb2ff unsupported: TRAP */ | |
4600 | ||
4601 | case 0xb300: /* LPEBR - load positive */ | |
4602 | case 0xb301: /* LNEBR - load negative */ | |
4603 | case 0xb303: /* LCEBR - load complement */ | |
4604 | case 0xb310: /* LPDBR - load positive */ | |
4605 | case 0xb311: /* LNDBR - load negative */ | |
4606 | case 0xb313: /* LCDBR - load complement */ | |
4607 | case 0xb350: /* TBEDR - convert hfp to bfp */ | |
4608 | case 0xb351: /* TBDR - convert hfp to bfp */ | |
4609 | case 0xb358: /* THDER - convert bfp to hfp */ | |
4610 | case 0xb359: /* THDR - convert bfp to hfp */ | |
4611 | /* float destination + flags */ | |
4612 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4613 | return -1; | |
4614 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4615 | return -1; | |
4616 | break; | |
4617 | ||
4618 | case 0xb304: /* LDEBR - load lengthened */ | |
4619 | case 0xb30c: /* MDEBR - multiply */ | |
4620 | case 0xb30d: /* DEBR - divide */ | |
4621 | case 0xb314: /* SQEBR - square root */ | |
4622 | case 0xb315: /* SQDBR - square root */ | |
4623 | case 0xb317: /* MEEBR - multiply */ | |
4624 | case 0xb31c: /* MDBR - multiply */ | |
4625 | case 0xb31d: /* DDBR - divide */ | |
4626 | case 0xb344: /* LEDBRA - load rounded */ | |
4627 | case 0xb345: /* LDXBRA - load rounded */ | |
4628 | case 0xb346: /* LEXBRA - load rounded */ | |
4629 | case 0xb357: /* FIEBRA - load fp integer */ | |
4630 | case 0xb35f: /* FIDBRA - load fp integer */ | |
4631 | case 0xb390: /* CELFBR - convert from logical */ | |
4632 | case 0xb391: /* CDLFBR - convert from logical */ | |
4633 | case 0xb394: /* CEFBR - convert from fixed */ | |
4634 | case 0xb395: /* CDFBR - convert from fixed */ | |
4635 | case 0xb3a0: /* CELGBR - convert from logical */ | |
4636 | case 0xb3a1: /* CDLGBR - convert from logical */ | |
4637 | case 0xb3a4: /* CEGBR - convert from fixed */ | |
4638 | case 0xb3a5: /* CDGBR - convert from fixed */ | |
4639 | case 0xb3d0: /* MDTR - multiply */ | |
4640 | case 0xb3d1: /* DDTR - divide */ | |
4641 | case 0xb3d4: /* LDETR - load lengthened */ | |
4642 | case 0xb3d5: /* LEDTR - load lengthened */ | |
4643 | case 0xb3d7: /* FIDTR - load fp integer */ | |
4644 | case 0xb3dd: /* LDXTR - load lengthened */ | |
4645 | case 0xb3f1: /* CDGTR - convert from fixed */ | |
4646 | case 0xb3f2: /* CDUTR - convert from unsigned packed */ | |
4647 | case 0xb3f3: /* CDSTR - convert from signed packed */ | |
4648 | case 0xb3f5: /* QADTR - quantize */ | |
4649 | case 0xb3f7: /* RRDTR - reround */ | |
4650 | case 0xb951: /* CDFTR - convert from fixed */ | |
4651 | case 0xb952: /* CDLGTR - convert from logical */ | |
4652 | case 0xb953: /* CDLFTR - convert from logical */ | |
4653 | /* float destination + fpc */ | |
4654 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4655 | return -1; | |
4656 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4657 | return -1; | |
4658 | break; | |
4659 | ||
4660 | case 0xb305: /* LXDBR - load lengthened */ | |
4661 | case 0xb306: /* LXEBR - load lengthened */ | |
4662 | case 0xb307: /* MXDBR - multiply */ | |
4663 | case 0xb316: /* SQXBR - square root */ | |
4664 | case 0xb34c: /* MXBR - multiply */ | |
4665 | case 0xb34d: /* DXBR - divide */ | |
4666 | case 0xb347: /* FIXBRA - load fp integer */ | |
4667 | case 0xb392: /* CXLFBR - convert from logical */ | |
4668 | case 0xb396: /* CXFBR - convert from fixed */ | |
4669 | case 0xb3a2: /* CXLGBR - convert from logical */ | |
4670 | case 0xb3a6: /* CXGBR - convert from fixed */ | |
4671 | case 0xb3d8: /* MXTR - multiply */ | |
4672 | case 0xb3d9: /* DXTR - divide */ | |
4673 | case 0xb3dc: /* LXDTR - load lengthened */ | |
4674 | case 0xb3df: /* FIXTR - load fp integer */ | |
4675 | case 0xb3f9: /* CXGTR - convert from fixed */ | |
4676 | case 0xb3fa: /* CXUTR - convert from unsigned packed */ | |
4677 | case 0xb3fb: /* CXSTR - convert from signed packed */ | |
4678 | case 0xb3fd: /* QAXTR - quantize */ | |
4679 | case 0xb3ff: /* RRXTR - reround */ | |
4680 | case 0xb959: /* CXFTR - convert from fixed */ | |
4681 | case 0xb95a: /* CXLGTR - convert from logical */ | |
4682 | case 0xb95b: /* CXLFTR - convert from logical */ | |
4683 | /* float pair destination + fpc */ | |
4684 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4685 | return -1; | |
4686 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4687 | return -1; | |
4688 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4689 | return -1; | |
4690 | break; | |
4691 | ||
4692 | case 0xb308: /* KEBR - compare and signal */ | |
4693 | case 0xb309: /* CEBR - compare */ | |
4694 | case 0xb318: /* KDBR - compare and signal */ | |
4695 | case 0xb319: /* CDBR - compare */ | |
4696 | case 0xb348: /* KXBR - compare and signal */ | |
4697 | case 0xb349: /* CXBR - compare */ | |
4698 | case 0xb3e0: /* KDTR - compare and signal */ | |
4699 | case 0xb3e4: /* CDTR - compare */ | |
4700 | case 0xb3e8: /* KXTR - compare and signal */ | |
4701 | case 0xb3ec: /* CXTR - compare */ | |
4702 | /* flags + fpc only */ | |
4703 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4704 | return -1; | |
4705 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4706 | return -1; | |
4707 | break; | |
4708 | ||
4709 | case 0xb302: /* LTEBR - load and test */ | |
4710 | case 0xb312: /* LTDBR - load and test */ | |
4711 | case 0xb30a: /* AEBR - add */ | |
4712 | case 0xb30b: /* SEBR - subtract */ | |
4713 | case 0xb31a: /* ADBR - add */ | |
4714 | case 0xb31b: /* SDBR - subtract */ | |
4715 | case 0xb3d2: /* ADTR - add */ | |
4716 | case 0xb3d3: /* SDTR - subtract */ | |
4717 | case 0xb3d6: /* LTDTR - load and test */ | |
4718 | /* float destination + flags + fpc */ | |
4719 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4720 | return -1; | |
4721 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4722 | return -1; | |
4723 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4724 | return -1; | |
4725 | break; | |
4726 | ||
4727 | case 0xb30e: /* MAEBR - multiply and add */ | |
4728 | case 0xb30f: /* MSEBR - multiply and subtract */ | |
4729 | case 0xb31e: /* MADBR - multiply and add */ | |
4730 | case 0xb31f: /* MSDBR - multiply and subtract */ | |
4731 | /* float destination [RRD] + fpc */ | |
4732 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4733 | return -1; | |
4734 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4735 | return -1; | |
4736 | break; | |
4737 | ||
4738 | /* 0xb320-0xb323 undefined */ | |
4739 | /* 0xb327-0xb32d undefined */ | |
4740 | ||
4741 | case 0xb32e: /* MAER - multiply and add */ | |
4742 | case 0xb32f: /* MSER - multiply and subtract */ | |
4743 | case 0xb338: /* MAYLR - multiply and add unnormalized */ | |
4744 | case 0xb339: /* MYLR - multiply unnormalized */ | |
4745 | case 0xb33c: /* MAYHR - multiply and add unnormalized */ | |
4746 | case 0xb33d: /* MYHR - multiply unnormalized */ | |
4747 | case 0xb33e: /* MADR - multiply and add */ | |
4748 | case 0xb33f: /* MSDR - multiply and subtract */ | |
4749 | /* float destination [RRD] */ | |
4750 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4751 | return -1; | |
4752 | break; | |
4753 | ||
4754 | /* 0xb330-0xb335 undefined */ | |
4755 | ||
4756 | case 0xb33a: /* MAYR - multiply and add unnormalized */ | |
4757 | case 0xb33b: /* MYR - multiply unnormalized */ | |
4758 | /* float pair destination [RRD] */ | |
4759 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4760 | return -1; | |
4761 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2))) | |
4762 | return -1; | |
4763 | break; | |
4764 | ||
4765 | case 0xb340: /* LPXBR - load positive */ | |
4766 | case 0xb341: /* LNXBR - load negative */ | |
4767 | case 0xb343: /* LCXBR - load complement */ | |
4768 | case 0xb360: /* LPXR - load positive */ | |
4769 | case 0xb361: /* LNXR - load negative */ | |
4770 | case 0xb362: /* LTXR - load and test */ | |
4771 | case 0xb363: /* LCXR - load complement */ | |
4772 | /* float pair destination + flags */ | |
4773 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4774 | return -1; | |
4775 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4776 | return -1; | |
4777 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4778 | return -1; | |
4779 | break; | |
4780 | ||
4781 | case 0xb342: /* LTXBR - load and test */ | |
4782 | case 0xb34a: /* AXBR - add */ | |
4783 | case 0xb34b: /* SXBR - subtract */ | |
4784 | case 0xb3da: /* AXTR - add */ | |
4785 | case 0xb3db: /* SXTR - subtract */ | |
4786 | case 0xb3de: /* LTXTR - load and test */ | |
4787 | /* float pair destination + flags + fpc */ | |
4788 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4789 | return -1; | |
4790 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4791 | return -1; | |
4792 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4793 | return -1; | |
4794 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4795 | return -1; | |
4796 | break; | |
4797 | ||
4798 | /* 0xb34e-0xb34f undefined */ | |
4799 | /* 0xb352 undefined */ | |
4800 | ||
4801 | case 0xb353: /* DIEBR - divide to integer */ | |
4802 | case 0xb35b: /* DIDBR - divide to integer */ | |
4803 | /* two float destinations + flags + fpc */ | |
4804 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4805 | return -1; | |
4806 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4807 | return -1; | |
4808 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4809 | return -1; | |
4810 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4811 | return -1; | |
4812 | break; | |
4813 | ||
4814 | /* 0xb354-0xb356 undefined */ | |
4815 | /* 0xb35a undefined */ | |
4816 | ||
4817 | /* 0xb35c-0xb35e undefined */ | |
4818 | /* 0xb364 undefined */ | |
4819 | /* 0xb368 undefined */ | |
4820 | ||
4821 | case 0xb369: /* CXR - compare */ | |
4822 | case 0xb3f4: /* CEDTR - compare biased exponent */ | |
4823 | case 0xb3fc: /* CEXTR - compare biased exponent */ | |
4824 | case 0xb920: /* CGR - compare */ | |
4825 | case 0xb921: /* CLGR - compare logical */ | |
4826 | case 0xb930: /* CGFR - compare */ | |
4827 | case 0xb931: /* CLGFR - compare logical */ | |
4828 | case 0xb9cd: /* CHHR - compare high */ | |
4829 | case 0xb9cf: /* CLHHR - compare logical high */ | |
4830 | case 0xb9dd: /* CHLR - compare high */ | |
4831 | case 0xb9df: /* CLHLR - compare logical high */ | |
4832 | /* flags only */ | |
4833 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4834 | return -1; | |
4835 | break; | |
4836 | ||
4837 | /* 0xb36a-0xb36f undefined */ | |
4838 | /* 0xb377-0xb37e undefined */ | |
4839 | /* 0xb380-0xb383 undefined */ | |
4840 | /* 0xb386-0xb38b undefined */ | |
4841 | /* 0xb38d-0xb38f undefined */ | |
4842 | /* 0xb393 undefined */ | |
4843 | /* 0xb397 undefined */ | |
4844 | ||
4845 | case 0xb398: /* CFEBR - convert to fixed */ | |
4846 | case 0xb399: /* CFDBR - convert to fixed */ | |
4847 | case 0xb39a: /* CFXBR - convert to fixed */ | |
4848 | case 0xb39c: /* CLFEBR - convert to logical */ | |
4849 | case 0xb39d: /* CLFDBR - convert to logical */ | |
4850 | case 0xb39e: /* CLFXBR - convert to logical */ | |
4851 | case 0xb941: /* CFDTR - convert to fixed */ | |
4852 | case 0xb949: /* CFXTR - convert to fixed */ | |
4853 | case 0xb943: /* CLFDTR - convert to logical */ | |
4854 | case 0xb94b: /* CLFXTR - convert to logical */ | |
4855 | /* 32-bit gpr destination + flags + fpc */ | |
4856 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4857 | return -1; | |
4858 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4859 | return -1; | |
4860 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4861 | return -1; | |
4862 | break; | |
4863 | ||
4864 | /* 0xb39b undefined */ | |
4865 | /* 0xb39f undefined */ | |
4866 | ||
4867 | /* 0xb3a3 undefined */ | |
4868 | /* 0xb3a7 undefined */ | |
4869 | ||
4870 | case 0xb3a8: /* CGEBR - convert to fixed */ | |
4871 | case 0xb3a9: /* CGDBR - convert to fixed */ | |
4872 | case 0xb3aa: /* CGXBR - convert to fixed */ | |
4873 | case 0xb3ac: /* CLGEBR - convert to logical */ | |
4874 | case 0xb3ad: /* CLGDBR - convert to logical */ | |
4875 | case 0xb3ae: /* CLGXBR - convert to logical */ | |
4876 | case 0xb3e1: /* CGDTR - convert to fixed */ | |
4877 | case 0xb3e9: /* CGXTR - convert to fixed */ | |
4878 | case 0xb942: /* CLGDTR - convert to logical */ | |
4879 | case 0xb94a: /* CLGXTR - convert to logical */ | |
4880 | /* 64-bit gpr destination + flags + fpc */ | |
4881 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4882 | return -1; | |
4883 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4884 | return -1; | |
4885 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4886 | return -1; | |
4887 | break; | |
4888 | ||
4889 | /* 0xb3ab undefined */ | |
4890 | /* 0xb3af-0xb3b3 undefined */ | |
4891 | /* 0xb3b7 undefined */ | |
4892 | ||
4893 | case 0xb3b8: /* CFER - convert to fixed */ | |
4894 | case 0xb3b9: /* CFDR - convert to fixed */ | |
4895 | case 0xb3ba: /* CFXR - convert to fixed */ | |
4896 | case 0xb998: /* ALCR - add logical with carry */ | |
4897 | case 0xb999: /* SLBR - subtract logical with borrow */ | |
4898 | case 0xb9f4: /* NRK - and */ | |
4899 | case 0xb9f6: /* ORK - or */ | |
4900 | case 0xb9f7: /* XRK - xor */ | |
4901 | case 0xb9f8: /* ARK - add */ | |
4902 | case 0xb9f9: /* SRK - subtract */ | |
4903 | case 0xb9fa: /* ALRK - add logical */ | |
4904 | case 0xb9fb: /* SLRK - subtract logical */ | |
4905 | /* 32-bit gpr destination + flags */ | |
4906 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4907 | return -1; | |
4908 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4909 | return -1; | |
4910 | break; | |
4911 | ||
4912 | case 0xb3c8: /* CGER - convert to fixed */ | |
4913 | case 0xb3c9: /* CGDR - convert to fixed */ | |
4914 | case 0xb3ca: /* CGXR - convert to fixed */ | |
4915 | case 0xb900: /* LPGR - load positive */ | |
4916 | case 0xb901: /* LNGR - load negative */ | |
4917 | case 0xb902: /* LTGR - load and test */ | |
4918 | case 0xb903: /* LCGR - load complement */ | |
4919 | case 0xb908: /* AGR - add */ | |
4920 | case 0xb909: /* SGR - subtract */ | |
4921 | case 0xb90a: /* ALGR - add logical */ | |
4922 | case 0xb90b: /* SLGR - subtract logical */ | |
4923 | case 0xb910: /* LPGFR - load positive */ | |
4924 | case 0xb911: /* LNGFR - load negative */ | |
4925 | case 0xb912: /* LTGFR - load and test */ | |
4926 | case 0xb913: /* LCGFR - load complement */ | |
4927 | case 0xb918: /* AGFR - add */ | |
4928 | case 0xb919: /* SGFR - subtract */ | |
4929 | case 0xb91a: /* ALGFR - add logical */ | |
4930 | case 0xb91b: /* SLGFR - subtract logical */ | |
4931 | case 0xb980: /* NGR - and */ | |
4932 | case 0xb981: /* OGR - or */ | |
4933 | case 0xb982: /* XGR - xor */ | |
4934 | case 0xb988: /* ALCGR - add logical with carry */ | |
4935 | case 0xb989: /* SLBGR - subtract logical with borrow */ | |
4936 | case 0xb9e1: /* POPCNT - population count */ | |
4937 | case 0xb9e4: /* NGRK - and */ | |
4938 | case 0xb9e6: /* OGRK - or */ | |
4939 | case 0xb9e7: /* XGRK - xor */ | |
4940 | case 0xb9e8: /* AGRK - add */ | |
4941 | case 0xb9e9: /* SGRK - subtract */ | |
4942 | case 0xb9ea: /* ALGRK - add logical */ | |
4943 | case 0xb9eb: /* SLGRK - subtract logical */ | |
4944 | /* 64-bit gpr destination + flags */ | |
4945 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4946 | return -1; | |
4947 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4948 | return -1; | |
4949 | break; | |
4950 | ||
4951 | /* 0xb3bb-0xb3c0 undefined */ | |
4952 | /* 0xb3c2-0xb3c3 undefined */ | |
4953 | /* 0xb3c7 undefined */ | |
4954 | /* 0xb3cb-0xb3cc undefined */ | |
4955 | ||
4956 | case 0xb3cd: /* LGDR - load gr from fpr */ | |
4957 | case 0xb3e2: /* CUDTR - convert to unsigned packed */ | |
4958 | case 0xb3e3: /* CSDTR - convert to signed packed */ | |
4959 | case 0xb3e5: /* EEDTR - extract biased exponent */ | |
4960 | case 0xb3e7: /* ESDTR - extract significance */ | |
4961 | case 0xb3ed: /* EEXTR - extract biased exponent */ | |
4962 | case 0xb3ef: /* ESXTR - extract significance */ | |
4963 | case 0xb904: /* LGR - load */ | |
4964 | case 0xb906: /* LGBR - load byte */ | |
4965 | case 0xb907: /* LGHR - load halfword */ | |
4966 | case 0xb90c: /* MSGR - multiply single */ | |
4967 | case 0xb90f: /* LRVGR - load reversed */ | |
4968 | case 0xb914: /* LGFR - load */ | |
4969 | case 0xb916: /* LLGFR - load logical */ | |
4970 | case 0xb917: /* LLGTR - load logical thirty one bits */ | |
4971 | case 0xb91c: /* MSGFR - load */ | |
4972 | case 0xb946: /* BCTGR - branch on count */ | |
4973 | case 0xb984: /* LLGCR - load logical character */ | |
4974 | case 0xb985: /* LLGHR - load logical halfword */ | |
4975 | case 0xb9e2: /* LOCGR - load on condition */ | |
4976 | /* 64-bit gpr destination */ | |
4977 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4978 | return -1; | |
4979 | break; | |
4980 | ||
4981 | /* 0xb3ce-0xb3cf undefined */ | |
4982 | /* 0xb3e6 undefined */ | |
4983 | ||
4984 | case 0xb3ea: /* CUXTR - convert to unsigned packed */ | |
4985 | case 0xb3eb: /* CSXTR - convert to signed packed */ | |
4986 | case 0xb90d: /* DSGR - divide single */ | |
4987 | case 0xb91d: /* DSGFR - divide single */ | |
4988 | case 0xb986: /* MLGR - multiply logical */ | |
4989 | case 0xb987: /* DLGR - divide logical */ | |
4990 | /* 64-bit gpr pair destination */ | |
4991 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4992 | return -1; | |
4993 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
4994 | return -1; | |
4995 | break; | |
4996 | ||
4997 | /* 0xb3ee undefined */ | |
4998 | /* 0xb3f0 undefined */ | |
4999 | /* 0xb3f8 undefined */ | |
5000 | ||
5001 | /* 0xb905 privileged */ | |
5002 | ||
5003 | /* 0xb90e unsupported: EREGG */ | |
5004 | ||
5005 | /* 0xb915 undefined */ | |
5006 | ||
5007 | case 0xb91e: /* KMAC - compute message authentication code [partial] */ | |
5008 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5009 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5010 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5011 | tmp &= 0xff; | |
5012 | switch (tmp) | |
5013 | { | |
5014 | case 0x00: /* KMAC-Query */ | |
5015 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5016 | return -1; | |
5017 | break; | |
5018 | ||
5019 | case 0x01: /* KMAC-DEA */ | |
5020 | case 0x02: /* KMAC-TDEA-128 */ | |
5021 | case 0x03: /* KMAC-TDEA-192 */ | |
5022 | case 0x09: /* KMAC-Encrypted-DEA */ | |
5023 | case 0x0a: /* KMAC-Encrypted-TDEA-128 */ | |
5024 | case 0x0b: /* KMAC-Encrypted-TDEA-192 */ | |
5025 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5026 | return -1; | |
5027 | break; | |
5028 | ||
5029 | case 0x12: /* KMAC-AES-128 */ | |
5030 | case 0x13: /* KMAC-AES-192 */ | |
5031 | case 0x14: /* KMAC-AES-256 */ | |
5032 | case 0x1a: /* KMAC-Encrypted-AES-128 */ | |
5033 | case 0x1b: /* KMAC-Encrypted-AES-192 */ | |
5034 | case 0x1c: /* KMAC-Encrypted-AES-256 */ | |
5035 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5036 | return -1; | |
5037 | break; | |
5038 | ||
5039 | default: | |
5040 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
5041 | (int)tmp, paddress (gdbarch, addr)); | |
5042 | return -1; | |
5043 | } | |
5044 | if (tmp != 0) | |
5045 | { | |
5046 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5047 | return -1; | |
5048 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5049 | return -1; | |
5050 | } | |
5051 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5052 | return -1; | |
5053 | break; | |
5054 | ||
5055 | /* 0xb922-0xb924 undefined */ | |
5056 | /* 0xb925 privileged */ | |
5057 | /* 0xb928 privileged */ | |
5058 | /* 0xb929 undefined */ | |
5059 | ||
5060 | case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */ | |
5061 | case 0xb92b: /* KMO - cipher message with output feedback [partial] */ | |
5062 | case 0xb92f: /* KMC - cipher message with chaining [partial] */ | |
5063 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5064 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5065 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5066 | tmp &= 0x7f; | |
5067 | switch (tmp) | |
5068 | { | |
5069 | case 0x00: /* KM*-Query */ | |
5070 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5071 | return -1; | |
5072 | break; | |
5073 | ||
5074 | case 0x01: /* KM*-DEA */ | |
5075 | case 0x02: /* KM*-TDEA-128 */ | |
5076 | case 0x03: /* KM*-TDEA-192 */ | |
5077 | case 0x09: /* KM*-Encrypted-DEA */ | |
5078 | case 0x0a: /* KM*-Encrypted-TDEA-128 */ | |
5079 | case 0x0b: /* KM*-Encrypted-TDEA-192 */ | |
5080 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5081 | return -1; | |
5082 | break; | |
5083 | ||
5084 | case 0x12: /* KM*-AES-128 */ | |
5085 | case 0x13: /* KM*-AES-192 */ | |
5086 | case 0x14: /* KM*-AES-256 */ | |
5087 | case 0x1a: /* KM*-Encrypted-AES-128 */ | |
5088 | case 0x1b: /* KM*-Encrypted-AES-192 */ | |
5089 | case 0x1c: /* KM*-Encrypted-AES-256 */ | |
5090 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5091 | return -1; | |
5092 | break; | |
5093 | ||
5094 | case 0x43: /* KMC-PRNG */ | |
5095 | /* Only valid for KMC. */ | |
5096 | if (insn[0] == 0xb92f) | |
5097 | { | |
5098 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5099 | return -1; | |
5100 | break; | |
5101 | } | |
5102 | /* For other instructions, fallthru. */ | |
5103 | default: | |
5104 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n", | |
5105 | (int)tmp, paddress (gdbarch, addr)); | |
5106 | return -1; | |
5107 | } | |
5108 | if (tmp != 0) | |
5109 | { | |
5110 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5111 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5112 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5113 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5114 | return -1; | |
5115 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5116 | return -1; | |
5117 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5118 | return -1; | |
5119 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5120 | return -1; | |
5121 | } | |
5122 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5123 | return -1; | |
5124 | break; | |
5125 | ||
5126 | case 0xb92c: /* PCC - perform cryptographic computation [partial] */ | |
5127 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5128 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5129 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5130 | tmp &= 0x7f; | |
5131 | switch (tmp) | |
5132 | { | |
5133 | case 0x00: /* PCC-Query */ | |
5134 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5135 | return -1; | |
5136 | break; | |
5137 | ||
5138 | case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */ | |
5139 | case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */ | |
5140 | case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */ | |
5141 | case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */ | |
5142 | case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */ | |
5143 | case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */ | |
5144 | if (record_full_arch_list_add_mem (oaddr + 0x10, 8)) | |
5145 | return -1; | |
5146 | break; | |
5147 | ||
5148 | case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */ | |
5149 | case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */ | |
5150 | case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */ | |
5151 | case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */ | |
5152 | case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */ | |
5153 | case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */ | |
5154 | if (record_full_arch_list_add_mem (oaddr + 0x18, 16)) | |
5155 | return -1; | |
5156 | break; | |
5157 | ||
5158 | case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */ | |
5159 | if (record_full_arch_list_add_mem (oaddr + 0x30, 32)) | |
5160 | return -1; | |
5161 | break; | |
5162 | ||
5163 | case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */ | |
5164 | if (record_full_arch_list_add_mem (oaddr + 0x40, 32)) | |
5165 | return -1; | |
5166 | break; | |
5167 | ||
5168 | case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */ | |
5169 | if (record_full_arch_list_add_mem (oaddr + 0x50, 32)) | |
5170 | return -1; | |
5171 | break; | |
5172 | ||
5173 | case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */ | |
5174 | if (record_full_arch_list_add_mem (oaddr + 0x60, 32)) | |
5175 | return -1; | |
5176 | break; | |
5177 | ||
5178 | default: | |
5179 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n", | |
5180 | (int)tmp, paddress (gdbarch, addr)); | |
5181 | return -1; | |
5182 | } | |
5183 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5184 | return -1; | |
5185 | break; | |
5186 | ||
5187 | case 0xb92d: /* KMCTR - cipher message with counter [partial] */ | |
5188 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5189 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5190 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5191 | tmp &= 0x7f; | |
5192 | switch (tmp) | |
5193 | { | |
5194 | case 0x00: /* KMCTR-Query */ | |
5195 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5196 | return -1; | |
5197 | break; | |
5198 | ||
5199 | case 0x01: /* KMCTR-DEA */ | |
5200 | case 0x02: /* KMCTR-TDEA-128 */ | |
5201 | case 0x03: /* KMCTR-TDEA-192 */ | |
5202 | case 0x09: /* KMCTR-Encrypted-DEA */ | |
5203 | case 0x0a: /* KMCTR-Encrypted-TDEA-128 */ | |
5204 | case 0x0b: /* KMCTR-Encrypted-TDEA-192 */ | |
5205 | case 0x12: /* KMCTR-AES-128 */ | |
5206 | case 0x13: /* KMCTR-AES-192 */ | |
5207 | case 0x14: /* KMCTR-AES-256 */ | |
5208 | case 0x1a: /* KMCTR-Encrypted-AES-128 */ | |
5209 | case 0x1b: /* KMCTR-Encrypted-AES-192 */ | |
5210 | case 0x1c: /* KMCTR-Encrypted-AES-256 */ | |
5211 | break; | |
5212 | ||
5213 | default: | |
5214 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n", | |
5215 | (int)tmp, paddress (gdbarch, addr)); | |
5216 | return -1; | |
5217 | } | |
5218 | if (tmp != 0) | |
5219 | { | |
5220 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5221 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5222 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5223 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5224 | return -1; | |
5225 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5226 | return -1; | |
5227 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5228 | return -1; | |
5229 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5230 | return -1; | |
5231 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4])) | |
5232 | return -1; | |
5233 | } | |
5234 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5235 | return -1; | |
5236 | break; | |
5237 | ||
5238 | case 0xb92e: /* KM - cipher message [partial] */ | |
5239 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5240 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5241 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5242 | tmp &= 0x7f; | |
5243 | switch (tmp) | |
5244 | { | |
5245 | case 0x00: /* KM-Query */ | |
5246 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5247 | return -1; | |
5248 | break; | |
5249 | ||
5250 | case 0x01: /* KM-DEA */ | |
5251 | case 0x02: /* KM-TDEA-128 */ | |
5252 | case 0x03: /* KM-TDEA-192 */ | |
5253 | case 0x09: /* KM-Encrypted-DEA */ | |
5254 | case 0x0a: /* KM-Encrypted-TDEA-128 */ | |
5255 | case 0x0b: /* KM-Encrypted-TDEA-192 */ | |
5256 | case 0x12: /* KM-AES-128 */ | |
5257 | case 0x13: /* KM-AES-192 */ | |
5258 | case 0x14: /* KM-AES-256 */ | |
5259 | case 0x1a: /* KM-Encrypted-AES-128 */ | |
5260 | case 0x1b: /* KM-Encrypted-AES-192 */ | |
5261 | case 0x1c: /* KM-Encrypted-AES-256 */ | |
5262 | break; | |
5263 | ||
5264 | case 0x32: /* KM-XTS-AES-128 */ | |
5265 | if (record_full_arch_list_add_mem (oaddr + 0x10, 16)) | |
5266 | return -1; | |
5267 | break; | |
5268 | ||
5269 | case 0x34: /* KM-XTS-AES-256 */ | |
5270 | if (record_full_arch_list_add_mem (oaddr + 0x20, 16)) | |
5271 | return -1; | |
5272 | break; | |
5273 | ||
5274 | case 0x3a: /* KM-XTS-Encrypted-AES-128 */ | |
5275 | if (record_full_arch_list_add_mem (oaddr + 0x30, 16)) | |
5276 | return -1; | |
5277 | break; | |
5278 | ||
5279 | case 0x3c: /* KM-XTS-Encrypted-AES-256 */ | |
5280 | if (record_full_arch_list_add_mem (oaddr + 0x40, 16)) | |
5281 | return -1; | |
5282 | break; | |
5283 | ||
5284 | default: | |
5285 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n", | |
5286 | (int)tmp, paddress (gdbarch, addr)); | |
5287 | return -1; | |
5288 | } | |
5289 | if (tmp != 0) | |
5290 | { | |
5291 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5292 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5293 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5294 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5295 | return -1; | |
5296 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5297 | return -1; | |
5298 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5299 | return -1; | |
5300 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5301 | return -1; | |
5302 | } | |
5303 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5304 | return -1; | |
5305 | break; | |
5306 | ||
5307 | /* 0xb932-0xb93b undefined */ | |
5308 | ||
5309 | case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */ | |
5310 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5311 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5312 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5313 | tmp &= 0xff; | |
5314 | switch (tmp) | |
5315 | { | |
5316 | case 0x00: /* PPNO-Query */ | |
5317 | case 0x80: /* PPNO-Query */ | |
5318 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5319 | return -1; | |
5320 | break; | |
5321 | ||
5322 | case 0x03: /* PPNO-SHA-512-DRNG - generate */ | |
5323 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
5324 | return -1; | |
5325 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5326 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5327 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
5328 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5329 | return -1; | |
5330 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5331 | return -1; | |
5332 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5333 | return -1; | |
5334 | break; | |
5335 | ||
5336 | case 0x83: /* PPNO-SHA-512-DRNG - seed */ | |
5337 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
5338 | return -1; | |
5339 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5340 | return -1; | |
5341 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5342 | return -1; | |
5343 | break; | |
5344 | ||
5345 | default: | |
5346 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n", | |
5347 | (int)tmp, paddress (gdbarch, addr)); | |
5348 | return -1; | |
5349 | } | |
5350 | /* DXC may be written */ | |
5351 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5352 | return -1; | |
5353 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5354 | return -1; | |
5355 | break; | |
5356 | ||
5357 | /* 0xb93d undefined */ | |
5358 | ||
5359 | case 0xb93e: /* KIMD - compute intermediate message digest [partial] */ | |
5360 | case 0xb93f: /* KLMD - compute last message digest [partial] */ | |
5361 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5362 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5363 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5364 | tmp &= 0xff; | |
5365 | switch (tmp) | |
5366 | { | |
5367 | case 0x00: /* K*MD-Query */ | |
5368 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5369 | return -1; | |
5370 | break; | |
5371 | ||
5372 | case 0x01: /* K*MD-SHA-1 */ | |
5373 | if (record_full_arch_list_add_mem (oaddr, 20)) | |
5374 | return -1; | |
5375 | break; | |
5376 | ||
5377 | case 0x02: /* K*MD-SHA-256 */ | |
5378 | if (record_full_arch_list_add_mem (oaddr, 32)) | |
5379 | return -1; | |
5380 | break; | |
5381 | ||
5382 | case 0x03: /* K*MD-SHA-512 */ | |
5383 | if (record_full_arch_list_add_mem (oaddr, 64)) | |
5384 | return -1; | |
5385 | break; | |
5386 | ||
5387 | case 0x41: /* KIMD-GHASH */ | |
5388 | /* Only valid for KIMD. */ | |
5389 | if (insn[0] == 0xb93e) | |
5390 | { | |
5391 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5392 | return -1; | |
5393 | break; | |
5394 | } | |
5395 | /* For KLMD, fallthru. */ | |
5396 | default: | |
5397 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
5398 | (int)tmp, paddress (gdbarch, addr)); | |
5399 | return -1; | |
5400 | } | |
5401 | if (tmp != 0) | |
5402 | { | |
5403 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5404 | return -1; | |
5405 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5406 | return -1; | |
5407 | } | |
5408 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5409 | return -1; | |
5410 | break; | |
5411 | ||
5412 | /* 0xb940 undefined */ | |
5413 | /* 0xb944-0xb945 undefined */ | |
5414 | /* 0xb947-0xb948 undefined */ | |
5415 | /* 0xb94c-0xb950 undefined */ | |
5416 | /* 0xb954-0xb958 undefined */ | |
5417 | /* 0xb95c-0xb95f undefined */ | |
5418 | /* 0xb962-0xb971 undefined */ | |
5419 | /* 0xb974-0xb97f undefined */ | |
5420 | ||
5421 | case 0xb983: /* FLOGR - find leftmost one */ | |
5422 | /* 64-bit gpr pair destination + flags */ | |
5423 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5424 | return -1; | |
5425 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
5426 | return -1; | |
5427 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5428 | return -1; | |
5429 | break; | |
5430 | ||
5431 | /* 0xb98a privileged */ | |
5432 | /* 0xb98b-0xb98c undefined */ | |
5433 | ||
5434 | case 0xb98d: /* EPSW - extract psw */ | |
5435 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5436 | return -1; | |
5437 | if (inib[7]) | |
5438 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5439 | return -1; | |
5440 | break; | |
5441 | ||
5442 | /* 0xb98e-0xb98f privileged */ | |
5443 | ||
5444 | case 0xb990: /* TRTT - translate two to two [partial] */ | |
5445 | case 0xb991: /* TRTO - translate two to one [partial] */ | |
5446 | case 0xb992: /* TROT - translate one to two [partial] */ | |
5447 | case 0xb993: /* TROO - translate one to one [partial] */ | |
5448 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5449 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5450 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
5451 | /* tmp is source length, we want destination length. Adjust. */ | |
5452 | if (insn[0] == 0xb991) | |
5453 | tmp >>= 1; | |
5454 | if (insn[0] == 0xb992) | |
5455 | tmp <<= 1; | |
5456 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
5457 | return -1; | |
5458 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5459 | return -1; | |
5460 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
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_PSWM_REGNUM)) | |
5465 | return -1; | |
5466 | break; | |
5467 | ||
5468 | case 0xb996: /* MLR - multiply logical */ | |
5469 | case 0xb997: /* DLR - divide logical */ | |
5470 | /* 32-bit gpr pair destination */ | |
5471 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5472 | return -1; | |
5473 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5474 | return -1; | |
5475 | break; | |
5476 | ||
5477 | /* 0xb99a-0xb9af unsupported, privileged, or undefined */ | |
5478 | /* 0xb9b4-0xb9bc undefined */ | |
5479 | ||
5480 | case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */ | |
5481 | case 0xb9bf: /* TRTE - translate and test extended [partial] */ | |
5482 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5483 | return -1; | |
5484 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5485 | return -1; | |
5486 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5487 | return -1; | |
5488 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5489 | return -1; | |
5490 | break; | |
5491 | ||
5492 | /* 0xb9c0-0xb9c7 undefined */ | |
5493 | ||
5494 | case 0xb9c8: /* AHHHR - add high */ | |
5495 | case 0xb9c9: /* SHHHR - subtract high */ | |
5496 | case 0xb9ca: /* ALHHHR - add logical high */ | |
5497 | case 0xb9cb: /* SLHHHR - subtract logical high */ | |
5498 | case 0xb9d8: /* AHHLR - add high */ | |
5499 | case 0xb9d9: /* SHHLR - subtract high */ | |
5500 | case 0xb9da: /* ALHHLR - add logical high */ | |
5501 | case 0xb9db: /* SLHHLR - subtract logical high */ | |
5502 | /* 32-bit high gpr destination + flags */ | |
5503 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
5504 | return -1; | |
5505 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5506 | return -1; | |
5507 | break; | |
5508 | ||
5509 | /* 0xb9cc undefined */ | |
5510 | /* 0xb9ce undefined */ | |
5511 | /* 0xb9d0-0xb9d7 undefined */ | |
5512 | /* 0xb9dc undefined */ | |
5513 | /* 0xb9de undefined */ | |
5514 | ||
5515 | case 0xb9e0: /* LOCFHR - load high on condition */ | |
5516 | /* 32-bit high gpr destination */ | |
5517 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
5518 | return -1; | |
5519 | break; | |
5520 | ||
5521 | /* 0xb9e3 undefined */ | |
5522 | /* 0xb9e5 undefined */ | |
5523 | /* 0xb9ec-0xb9f1 undefined */ | |
5524 | /* 0xb9f3 undefined */ | |
5525 | /* 0xb9f5 undefined */ | |
5526 | /* 0xb9fc-0xb9ff undefined */ | |
5527 | ||
5528 | default: | |
5529 | goto UNKNOWN_OP; | |
5530 | } | |
5531 | break; | |
5532 | ||
5533 | /* 0xb4-0xb5 undefined */ | |
5534 | /* 0xb6 privileged: STCTL - store control */ | |
5535 | /* 0xb7 privileged: LCTL - load control */ | |
5536 | /* 0xb8 undefined */ | |
5537 | ||
5538 | case 0xba: /* CS - compare and swap */ | |
5539 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5540 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5541 | return -1; | |
5542 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5543 | return -1; | |
5544 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5545 | return -1; | |
5546 | break; | |
5547 | ||
5548 | case 0xbb: /* CDS - compare double and swap */ | |
5549 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5550 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5551 | return -1; | |
5552 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5553 | return -1; | |
5554 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5555 | return -1; | |
5556 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5557 | return -1; | |
5558 | break; | |
5559 | ||
5560 | /* 0xbc undefined */ | |
5561 | ||
5562 | case 0xbe: /* STCM - store characters under mask */ | |
5563 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5564 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
5565 | return -1; | |
5566 | break; | |
5567 | ||
5568 | case 0xc0: | |
5569 | case 0xc2: | |
5570 | case 0xc4: | |
5571 | case 0xc6: | |
5572 | case 0xcc: | |
5573 | /* RIL-format instruction */ | |
5574 | switch (ibyte[0] << 4 | inib[3]) | |
5575 | { | |
5576 | case 0xc00: /* LARL - load address relative long */ | |
5577 | case 0xc05: /* BRASL - branch relative and save long */ | |
5578 | case 0xc09: /* IILF - insert immediate */ | |
5579 | case 0xc21: /* MSFI - multiply single immediate */ | |
5580 | case 0xc42: /* LLHRL - load logical halfword relative long */ | |
5581 | case 0xc45: /* LHRL - load halfword relative long */ | |
5582 | case 0xc4d: /* LRL - load relative long */ | |
5583 | /* 32-bit or native gpr destination */ | |
5584 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5585 | return -1; | |
5586 | break; | |
5587 | ||
5588 | case 0xc01: /* LGFI - load immediate */ | |
5589 | case 0xc0e: /* LLIHF - load logical immediate */ | |
5590 | case 0xc0f: /* LLILF - load logical immediate */ | |
5591 | case 0xc20: /* MSGFI - multiply single immediate */ | |
5592 | case 0xc44: /* LGHRL - load halfword relative long */ | |
5593 | case 0xc46: /* LLGHRL - load logical halfword relative long */ | |
5594 | case 0xc48: /* LGRL - load relative long */ | |
5595 | case 0xc4c: /* LGFRL - load relative long */ | |
5596 | case 0xc4e: /* LLGFRL - load logical relative long */ | |
5597 | /* 64-bit gpr destination */ | |
5598 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5599 | return -1; | |
5600 | break; | |
5601 | ||
5602 | /* 0xc02-0xc03 undefined */ | |
5603 | ||
5604 | case 0xc04: /* BRCL - branch relative on condition long */ | |
5605 | case 0xc62: /* PFDRL - prefetch data relative long */ | |
5606 | break; | |
5607 | ||
5608 | case 0xc06: /* XIHF - xor immediate */ | |
5609 | case 0xc0a: /* NIHF - and immediate */ | |
5610 | case 0xc0c: /* OIHF - or immediate */ | |
5611 | case 0xcc8: /* AIH - add immediate high */ | |
5612 | case 0xcca: /* ALSIH - add logical with signed immediate high */ | |
5613 | /* 32-bit high gpr destination + flags */ | |
5614 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5615 | return -1; | |
5616 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5617 | return -1; | |
5618 | break; | |
5619 | ||
5620 | case 0xc07: /* XILF - xor immediate */ | |
5621 | case 0xc0b: /* NILF - and immediate */ | |
5622 | case 0xc0d: /* OILF - or immediate */ | |
5623 | case 0xc25: /* SLFI - subtract logical immediate */ | |
5624 | case 0xc29: /* AFI - add immediate */ | |
5625 | case 0xc2b: /* ALFI - add logical immediate */ | |
5626 | /* 32-bit gpr destination + flags */ | |
5627 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5628 | return -1; | |
5629 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5630 | return -1; | |
5631 | break; | |
5632 | ||
5633 | case 0xc08: /* IIHF - insert immediate */ | |
5634 | case 0xcc6: /* BRCTH - branch relative on count high */ | |
5635 | case 0xccb: /* ALSIHN - add logical with signed immediate high */ | |
5636 | /* 32-bit high gpr destination */ | |
5637 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5638 | return -1; | |
5639 | break; | |
5640 | ||
5641 | /* 0xc22-0xc23 undefined */ | |
5642 | ||
5643 | case 0xc24: /* SLGFI - subtract logical immediate */ | |
5644 | case 0xc28: /* AGFI - add immediate */ | |
5645 | case 0xc2a: /* ALGFI - add logical immediate */ | |
5646 | /* 64-bit gpr destination + flags */ | |
5647 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5648 | return -1; | |
5649 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5650 | return -1; | |
5651 | break; | |
5652 | ||
5653 | /* 0xc26-0xc27 undefined */ | |
5654 | ||
5655 | case 0xc2c: /* CGFI - compare immediate */ | |
5656 | case 0xc2d: /* CFI - compare immediate */ | |
5657 | case 0xc2e: /* CLGFI - compare logical immediate */ | |
5658 | case 0xc2f: /* CLFI - compare logical immediate */ | |
5659 | case 0xc64: /* CGHRL - compare halfword relative long */ | |
5660 | case 0xc65: /* CHRL - compare halfword relative long */ | |
5661 | case 0xc66: /* CLGHRL - compare logical halfword relative long */ | |
5662 | case 0xc67: /* CLHRL - compare logical halfword relative long */ | |
5663 | case 0xc68: /* CGRL - compare relative long */ | |
5664 | case 0xc6a: /* CLGRL - compare logical relative long */ | |
5665 | case 0xc6c: /* CGFRL - compare relative long */ | |
5666 | case 0xc6d: /* CRL - compare relative long */ | |
5667 | case 0xc6e: /* CLGFRL - compare logical relative long */ | |
5668 | case 0xc6f: /* CLRL - compare logical relative long */ | |
5669 | case 0xccd: /* CIH - compare immediate high */ | |
5670 | case 0xccf: /* CLIH - compare logical immediate high */ | |
5671 | /* flags only */ | |
5672 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5673 | return -1; | |
5674 | break; | |
5675 | ||
5676 | /* 0xc40-0xc41 undefined */ | |
5677 | /* 0xc43 undefined */ | |
5678 | ||
5679 | case 0xc47: /* STHRL - store halfword relative long */ | |
5680 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5681 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
5682 | return -1; | |
5683 | break; | |
5684 | ||
5685 | /* 0xc49-0xc4a undefined */ | |
5686 | ||
5687 | case 0xc4b: /* STGRL - store relative long */ | |
5688 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5689 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5690 | return -1; | |
5691 | break; | |
5692 | ||
5693 | case 0xc4f: /* STRL - store relative long */ | |
5694 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5695 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5696 | return -1; | |
5697 | break; | |
5698 | ||
5699 | case 0xc60: /* EXRL - execute relative long */ | |
5700 | if (ex != -1) | |
5701 | { | |
5702 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
5703 | paddress (gdbarch, addr)); | |
5704 | return -1; | |
5705 | } | |
5706 | addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5707 | if (inib[2]) | |
5708 | { | |
5709 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
5710 | ex = tmp & 0xff; | |
5711 | } | |
5712 | else | |
5713 | { | |
5714 | ex = 0; | |
5715 | } | |
5716 | goto ex; | |
5717 | ||
5718 | /* 0xc61 undefined */ | |
5719 | /* 0xc63 undefined */ | |
5720 | /* 0xc69 undefined */ | |
5721 | /* 0xc6b undefined */ | |
5722 | /* 0xcc0-0xcc5 undefined */ | |
5723 | /* 0xcc7 undefined */ | |
5724 | /* 0xcc9 undefined */ | |
5725 | /* 0xccc undefined */ | |
5726 | /* 0xcce undefined */ | |
5727 | ||
5728 | default: | |
5729 | goto UNKNOWN_OP; | |
5730 | } | |
5731 | break; | |
5732 | ||
5733 | /* 0xc1 undefined */ | |
5734 | /* 0xc3 undefined */ | |
5735 | ||
5736 | case 0xc5: /* BPRP - branch prediction relative preload */ | |
5737 | case 0xc7: /* BPP - branch prediction preload */ | |
5738 | /* no visible effect */ | |
5739 | break; | |
5740 | ||
5741 | case 0xc8: | |
5742 | /* SSF-format instruction */ | |
5743 | switch (ibyte[0] << 4 | inib[3]) | |
5744 | { | |
5745 | /* 0xc80 unsupported */ | |
5746 | ||
5747 | case 0xc81: /* ECTG - extract cpu time */ | |
5748 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5749 | return -1; | |
5750 | if (s390_record_gpr_g (gdbarch, regcache, 0)) | |
5751 | return -1; | |
5752 | if (s390_record_gpr_g (gdbarch, regcache, 1)) | |
5753 | return -1; | |
5754 | break; | |
5755 | ||
5756 | case 0xc82: /* CSST - compare and swap and store */ | |
5757 | { | |
5758 | uint8_t fc, sc; | |
5759 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5760 | fc = tmp & 0xff; | |
5761 | sc = tmp >> 8 & 0xff; | |
5762 | ||
5763 | /* First and third operands. */ | |
5764 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5765 | switch (fc) | |
5766 | { | |
5767 | case 0x00: /* 32-bit */ | |
5768 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5769 | return -1; | |
5770 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5771 | return -1; | |
5772 | break; | |
5773 | ||
5774 | case 0x01: /* 64-bit */ | |
5775 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5776 | return -1; | |
5777 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5778 | return -1; | |
5779 | break; | |
5780 | ||
5781 | case 0x02: /* 128-bit */ | |
5782 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5783 | return -1; | |
5784 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5785 | return -1; | |
5786 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5787 | return -1; | |
5788 | break; | |
5789 | ||
5790 | default: | |
5791 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5792 | fc, paddress (gdbarch, addr)); | |
5793 | return -1; | |
5794 | } | |
5795 | ||
5796 | /* Second operand. */ | |
5797 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
5798 | if (sc > 4) | |
5799 | { | |
5800 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5801 | sc, paddress (gdbarch, addr)); | |
5802 | return -1; | |
5803 | } | |
5804 | ||
5805 | if (record_full_arch_list_add_mem (oaddr2, 1 << sc)) | |
5806 | return -1; | |
5807 | ||
5808 | /* Flags. */ | |
5809 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5810 | return -1; | |
5811 | } | |
5812 | break; | |
5813 | ||
5814 | /* 0xc83 undefined */ | |
5815 | ||
5816 | case 0xc84: /* LPD - load pair disjoint */ | |
5817 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5818 | return -1; | |
5819 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5820 | return -1; | |
5821 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5822 | return -1; | |
5823 | break; | |
5824 | ||
5825 | case 0xc85: /* LPDG - load pair disjoint */ | |
5826 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5827 | return -1; | |
5828 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5829 | return -1; | |
5830 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5831 | return -1; | |
5832 | break; | |
5833 | ||
5834 | /* 0xc86-0xc8f undefined */ | |
5835 | ||
5836 | default: | |
5837 | goto UNKNOWN_OP; | |
5838 | } | |
5839 | break; | |
5840 | ||
5841 | /* 0xc9-0xcb undefined */ | |
5842 | /* 0xcd-0xcf undefined */ | |
5843 | ||
5844 | case 0xd0: /* TRTR - translate and test reversed */ | |
5845 | case 0xdd: /* TRT - translate and test */ | |
5846 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
5847 | return -1; | |
5848 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) | |
5849 | return -1; | |
5850 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5851 | return -1; | |
5852 | break; | |
5853 | ||
5854 | case 0xd1: /* MVN - move numbers */ | |
5855 | case 0xd2: /* MVC - move */ | |
5856 | case 0xd3: /* MVZ - move zones */ | |
5857 | case 0xdc: /* TR - translate */ | |
5858 | case 0xe8: /* MVCIN - move inverse */ | |
5859 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5860 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5861 | return -1; | |
5862 | break; | |
5863 | ||
5864 | case 0xd4: /* NC - and */ | |
5865 | case 0xd6: /* OC - or*/ | |
5866 | case 0xd7: /* XC - xor */ | |
5867 | case 0xe2: /* UNPKU - unpack unicode */ | |
5868 | case 0xea: /* UNPKA - unpack ASCII */ | |
5869 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5870 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5871 | return -1; | |
5872 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5873 | return -1; | |
5874 | break; | |
5875 | ||
5876 | case 0xde: /* ED - edit */ | |
5877 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5878 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5879 | return -1; | |
5880 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5881 | return -1; | |
5882 | /* DXC may be written */ | |
5883 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5884 | return -1; | |
5885 | break; | |
5886 | ||
5887 | case 0xdf: /* EDMK - edit and mark */ | |
5888 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5889 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5890 | return -1; | |
5891 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
5892 | return -1; | |
5893 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5894 | return -1; | |
5895 | /* DXC may be written */ | |
5896 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5897 | return -1; | |
5898 | break; | |
5899 | ||
5900 | /* 0xd8 undefined */ | |
5901 | /* 0xd9 unsupported: MVCK - move with key */ | |
5902 | /* 0xda unsupported: MVCP - move to primary */ | |
5903 | /* 0xdb unsupported: MVCS - move to secondary */ | |
5904 | /* 0xe0 undefined */ | |
5905 | ||
5906 | case 0xe1: /* PKU - pack unicode */ | |
5907 | case 0xe9: /* PKA - pack ASCII */ | |
5908 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5909 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5910 | return -1; | |
5911 | break; | |
5912 | ||
5913 | case 0xe3: | |
5914 | case 0xe7: | |
5915 | case 0xeb: | |
5916 | case 0xed: | |
5917 | /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */ | |
5918 | switch (ibyte[0] << 8 | ibyte[5]) | |
5919 | { | |
5920 | /* 0xe300-0xe301 undefined */ | |
5921 | ||
5922 | case 0xe302: /* LTG - load and test */ | |
5923 | case 0xe308: /* AG - add */ | |
5924 | case 0xe309: /* SG - subtract */ | |
5925 | case 0xe30a: /* ALG - add logical */ | |
5926 | case 0xe30b: /* SLG - subtract logical */ | |
5927 | case 0xe318: /* AGF - add */ | |
5928 | case 0xe319: /* SGF - subtract */ | |
5929 | case 0xe31a: /* ALGF - add logical */ | |
5930 | case 0xe31b: /* SLGF - subtract logical */ | |
5931 | case 0xe332: /* LTGF - load and test */ | |
5932 | case 0xe380: /* NG - and */ | |
5933 | case 0xe381: /* OG - or */ | |
5934 | case 0xe382: /* XG - xor */ | |
5935 | case 0xe388: /* ALCG - add logical with carry */ | |
5936 | case 0xe389: /* SLBG - subtract logical with borrow */ | |
5937 | case 0xeb0a: /* SRAG - shift right single */ | |
5938 | case 0xeb0b: /* SLAG - shift left single */ | |
5939 | /* 64-bit gpr destination + flags */ | |
5940 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5941 | return -1; | |
5942 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5943 | return -1; | |
5944 | break; | |
5945 | ||
5946 | /* 0xe303 privileged */ | |
5947 | ||
5948 | case 0xe304: /* LG - load */ | |
5949 | case 0xe30c: /* MSG - multiply single */ | |
5950 | case 0xe30f: /* LRVG - load reversed */ | |
5951 | case 0xe314: /* LGF - load */ | |
5952 | case 0xe315: /* LGH - load halfword */ | |
5953 | case 0xe316: /* LLGF - load logical */ | |
5954 | case 0xe317: /* LLGT - load logical thirty one bits */ | |
5955 | case 0xe31c: /* MSGF - multiply single */ | |
5956 | case 0xe32a: /* LZRG - load and zero rightmost byte */ | |
5957 | case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */ | |
5958 | case 0xe346: /* BCTG - branch on count */ | |
5959 | case 0xe377: /* LGB - load byte */ | |
5960 | case 0xe390: /* LLGC - load logical character */ | |
5961 | case 0xe391: /* LLGH - load logical halfword */ | |
5962 | case 0xeb0c: /* SRLG - shift right single logical */ | |
5963 | case 0xeb0d: /* SLLG - shift left single logical */ | |
5964 | case 0xeb1c: /* RLLG - rotate left single logical */ | |
5965 | case 0xeb44: /* BXHG - branch on index high */ | |
5966 | case 0xeb45: /* BXLEG - branch on index low or equal */ | |
5967 | case 0xeb4c: /* ECAG - extract cpu attribute */ | |
5968 | case 0xebe2: /* LOCG - load on condition */ | |
5969 | /* 64-bit gpr destination */ | |
5970 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5971 | return -1; | |
5972 | break; | |
5973 | ||
5974 | /* 0xe305 undefined */ | |
5975 | ||
5976 | case 0xe306: /* CVBY - convert to binary */ | |
5977 | /* 32-bit or native gpr destination + FPC (DXC write) */ | |
5978 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5979 | return -1; | |
5980 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5981 | return -1; | |
5982 | break; | |
5983 | ||
5984 | /* 0xe307 undefined */ | |
5985 | ||
5986 | case 0xe30d: /* DSG - divide single */ | |
5987 | case 0xe31d: /* DSGF - divide single */ | |
5988 | case 0xe386: /* MLG - multiply logical */ | |
5989 | case 0xe387: /* DLG - divide logical */ | |
5990 | case 0xe38f: /* LPQ - load pair from quadword */ | |
5991 | /* 64-bit gpr pair destination */ | |
5992 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5993 | return -1; | |
5994 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5995 | return -1; | |
5996 | break; | |
5997 | ||
5998 | case 0xe30e: /* CVBG - convert to binary */ | |
5999 | /* 64-bit gpr destination + FPC (DXC write) */ | |
6000 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6001 | return -1; | |
6002 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6003 | return -1; | |
6004 | break; | |
6005 | ||
6006 | /* 0xe310-0xe311 undefined */ | |
6007 | ||
6008 | case 0xe312: /* LT - load and test */ | |
6009 | case 0xe354: /* NY - and */ | |
6010 | case 0xe356: /* OY - or */ | |
6011 | case 0xe357: /* XY - xor */ | |
6012 | case 0xe35a: /* AY - add */ | |
6013 | case 0xe35b: /* SY - subtract */ | |
6014 | case 0xe35e: /* ALY - add logical */ | |
6015 | case 0xe35f: /* SLY - subtract logical */ | |
6016 | case 0xe37a: /* AHY - add halfword */ | |
6017 | case 0xe37b: /* SHY - subtract halfword */ | |
6018 | case 0xe398: /* ALC - add logical with carry */ | |
6019 | case 0xe399: /* SLB - subtract logical with borrow */ | |
6020 | case 0xe727: /* LCBB - load count to block bounduary */ | |
6021 | case 0xeb81: /* ICMY - insert characters under mask */ | |
6022 | case 0xebdc: /* SRAK - shift left single */ | |
6023 | case 0xebdd: /* SLAK - shift left single */ | |
6024 | /* 32-bit gpr destination + flags */ | |
6025 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6026 | return -1; | |
6027 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6028 | return -1; | |
6029 | break; | |
6030 | ||
6031 | /* 0xe313 privileged */ | |
6032 | ||
6033 | case 0xe31e: /* LRV - load reversed */ | |
6034 | case 0xe31f: /* LRVH - load reversed */ | |
6035 | case 0xe33b: /* LZRF - load and zero rightmost byte */ | |
6036 | case 0xe351: /* MSY - multiply single */ | |
6037 | case 0xe358: /* LY - load */ | |
6038 | case 0xe371: /* LAY - load address */ | |
6039 | case 0xe373: /* ICY - insert character */ | |
6040 | case 0xe376: /* LB - load byte */ | |
6041 | case 0xe378: /* LHY - load */ | |
6042 | case 0xe37c: /* MHY - multiply halfword */ | |
6043 | case 0xe394: /* LLC - load logical character */ | |
6044 | case 0xe395: /* LLH - load logical halfword */ | |
6045 | case 0xeb1d: /* RLL - rotate left single logical */ | |
6046 | case 0xebde: /* SRLK - shift left single logical */ | |
6047 | case 0xebdf: /* SLLK - shift left single logical */ | |
6048 | case 0xebf2: /* LOC - load on condition */ | |
6049 | /* 32-bit or native gpr destination */ | |
6050 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6051 | return -1; | |
6052 | break; | |
6053 | ||
6054 | case 0xe320: /* CG - compare */ | |
6055 | case 0xe321: /* CLG - compare logical */ | |
6056 | case 0xe330: /* CGF - compare */ | |
6057 | case 0xe331: /* CLGF - compare logical */ | |
6058 | case 0xe334: /* CGH - compare halfword */ | |
6059 | case 0xe355: /* CLY - compare logical */ | |
6060 | case 0xe359: /* CY - compare */ | |
6061 | case 0xe379: /* CHY - compare halfword */ | |
6062 | case 0xe3cd: /* CHF - compare high */ | |
6063 | case 0xe3cf: /* CLHF - compare logical high */ | |
6064 | case 0xeb20: /* CLMH - compare logical under mask high */ | |
6065 | case 0xeb21: /* CLMY - compare logical under mask */ | |
6066 | case 0xeb51: /* TMY - test under mask */ | |
6067 | case 0xeb55: /* CLIY - compare logical */ | |
6068 | case 0xebc0: /* TP - test decimal */ | |
6069 | case 0xed10: /* TCEB - test data class */ | |
6070 | case 0xed11: /* TCDB - test data class */ | |
6071 | case 0xed12: /* TCXB - test data class */ | |
6072 | case 0xed50: /* TDCET - test data class */ | |
6073 | case 0xed51: /* TDGET - test data group */ | |
6074 | case 0xed54: /* TDCDT - test data class */ | |
6075 | case 0xed55: /* TDGDT - test data group */ | |
6076 | case 0xed58: /* TDCXT - test data class */ | |
6077 | case 0xed59: /* TDGXT - test data group */ | |
6078 | /* flags only */ | |
6079 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6080 | return -1; | |
6081 | break; | |
6082 | ||
6083 | /* 0xe322-0xe323 undefined */ | |
6084 | ||
6085 | case 0xe324: /* STG - store */ | |
6086 | case 0xe325: /* NTSTG - nontransactional store */ | |
6087 | case 0xe326: /* CVDY - convert to decimal */ | |
6088 | case 0xe32f: /* STRVG - store reversed */ | |
6089 | case 0xebe3: /* STOCG - store on condition */ | |
6090 | case 0xed67: /* STDY - store */ | |
6091 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6092 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6093 | return -1; | |
6094 | break; | |
6095 | ||
6096 | /* 0xe327-0xe329 undefined */ | |
6097 | /* 0xe32b-0xe32d undefined */ | |
6098 | ||
6099 | case 0xe32e: /* CVDG - convert to decimal */ | |
6100 | case 0xe38e: /* STPQ - store pair to quadword */ | |
6101 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6102 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6103 | return -1; | |
6104 | break; | |
6105 | ||
6106 | /* 0xe333 undefined */ | |
6107 | /* 0xe335 undefined */ | |
6108 | ||
6109 | case 0xe336: /* PFD - prefetch data */ | |
6110 | break; | |
6111 | ||
6112 | /* 0xe337-0xe339 undefined */ | |
6113 | /* 0xe33c-0xe33d undefined */ | |
6114 | ||
6115 | case 0xe33e: /* STRV - store reversed */ | |
6116 | case 0xe350: /* STY - store */ | |
6117 | case 0xe3cb: /* STFH - store high */ | |
6118 | case 0xebe1: /* STOCFH - store high on condition */ | |
6119 | case 0xebf3: /* STOC - store on condition */ | |
6120 | case 0xed66: /* STEY - store */ | |
6121 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6122 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6123 | return -1; | |
6124 | break; | |
6125 | ||
6126 | case 0xe33f: /* STRVH - store reversed */ | |
6127 | case 0xe370: /* STHY - store halfword */ | |
6128 | case 0xe3c7: /* STHH - store halfword high */ | |
6129 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6130 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6131 | return -1; | |
6132 | break; | |
6133 | ||
6134 | /* 0xe340-0xe345 undefined */ | |
6135 | /* 0xe347-0xe34f undefined */ | |
6136 | /* 0xe352-0xe353 undefined */ | |
6137 | ||
6138 | case 0xe35c: /* MFY - multiply */ | |
6139 | case 0xe396: /* ML - multiply logical */ | |
6140 | case 0xe397: /* DL - divide logical */ | |
6141 | /* 32-bit gpr pair destination */ | |
6142 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6143 | return -1; | |
6144 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6145 | return -1; | |
6146 | break; | |
6147 | ||
6148 | /* 0xe35d undefined */ | |
6149 | /* 0xe360-0xe36f undefined */ | |
6150 | ||
6151 | case 0xe372: /* STCY - store character */ | |
6152 | case 0xe3c3: /* STCH - store character high */ | |
6153 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6154 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6155 | return -1; | |
6156 | break; | |
6157 | ||
6158 | /* 0xe374 undefined */ | |
6159 | ||
6160 | case 0xe375: /* LAEY - load address extended */ | |
6161 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6162 | return -1; | |
6163 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
6164 | return -1; | |
6165 | break; | |
6166 | ||
6167 | /* 0xe37d-0xe37f undefined */ | |
6168 | /* 0xe383-0xe384 undefined */ | |
6169 | ||
6170 | case 0xe385: /* LGAT - load and trap */ | |
6171 | case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */ | |
6172 | case 0xe39d: /* LLGFAT - load logical and trap */ | |
6173 | case 0xe721: /* VLGV - vector load gr from vr element */ | |
6174 | /* 64-bit gpr destination + fpc for possible DXC write */ | |
6175 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6176 | return -1; | |
6177 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6178 | return -1; | |
6179 | break; | |
6180 | ||
6181 | /* 0xe38a-0xe38d undefined */ | |
6182 | /* 0xe392-0xe393 undefined */ | |
6183 | /* 0xe39a-0xe39b undefined */ | |
6184 | /* 0xe39e undefined */ | |
6185 | ||
6186 | case 0xe39f: /* LAT - load and trap */ | |
6187 | /* 32-bit gpr destination + fpc for possible DXC write */ | |
6188 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6189 | return -1; | |
6190 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6191 | return -1; | |
6192 | break; | |
6193 | ||
6194 | /* 0xe3a0-0xe3bf undefined */ | |
6195 | ||
6196 | case 0xe3c0: /* LBH - load byte high */ | |
6197 | case 0xe3c2: /* LLCH - load logical character high */ | |
6198 | case 0xe3c4: /* LHH - load halfword high */ | |
6199 | case 0xe3c6: /* LLHH - load logical halfword high */ | |
6200 | case 0xe3ca: /* LFH - load high */ | |
6201 | case 0xebe0: /* LOCFH - load high on condition */ | |
6202 | /* 32-bit high gpr destination */ | |
6203 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6204 | return -1; | |
6205 | break; | |
6206 | ||
6207 | /* 0xe3c1 undefined */ | |
6208 | /* 0xe3c5 undefined */ | |
6209 | ||
6210 | case 0xe3c8: /* LFHAT - load high and trap */ | |
6211 | /* 32-bit high gpr destination + fpc for possible DXC write */ | |
6212 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6213 | return -1; | |
6214 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6215 | return -1; | |
6216 | break; | |
6217 | ||
6218 | /* 0xe3c9 undefined */ | |
6219 | /* 0xe3cc undefined */ | |
6220 | /* 0xe3ce undefined */ | |
6221 | /* 0xe3d0-0xe3ff undefined */ | |
6222 | ||
6223 | case 0xe700: /* VLEB - vector load element */ | |
6224 | case 0xe701: /* VLEH - vector load element */ | |
6225 | case 0xe702: /* VLEG - vector load element */ | |
6226 | case 0xe703: /* VLEF - vector load element */ | |
6227 | case 0xe704: /* VLLEZ - vector load logical element and zero */ | |
6228 | case 0xe705: /* VLREP - vector load and replicate */ | |
6229 | case 0xe706: /* VL - vector load */ | |
6230 | case 0xe707: /* VLBB - vector load to block bounduary */ | |
6231 | case 0xe712: /* VGEG - vector gather element */ | |
6232 | case 0xe713: /* VGEF - vector gather element */ | |
6233 | case 0xe722: /* VLVG - vector load vr element from gr */ | |
6234 | case 0xe730: /* VESL - vector element shift left */ | |
6235 | case 0xe733: /* VERLL - vector element rotate left logical */ | |
6236 | case 0xe737: /* VLL - vector load with length */ | |
6237 | case 0xe738: /* VESRL - vector element shift right logical */ | |
6238 | case 0xe73a: /* VESRA - vector element shift right arithmetic */ | |
6239 | case 0xe740: /* VLEIB - vector load element immediate */ | |
6240 | case 0xe741: /* VLEIH - vector load element immediate */ | |
6241 | case 0xe742: /* VLEIG - vector load element immediate */ | |
6242 | case 0xe743: /* VLEIF - vector load element immediate */ | |
6243 | case 0xe744: /* VGBM - vector generate byte mask */ | |
6244 | case 0xe745: /* VREPI - vector replicate immediate */ | |
6245 | case 0xe746: /* VGM - vector generate mask */ | |
6246 | case 0xe74d: /* VREP - vector replicate */ | |
6247 | case 0xe750: /* VPOPCT - vector population count */ | |
6248 | case 0xe752: /* VCTZ - vector count trailing zeros */ | |
6249 | case 0xe753: /* VCLZ - vector count leading zeros */ | |
6250 | case 0xe756: /* VLR - vector load */ | |
6251 | case 0xe75f: /* VSEG -vector sign extend to doubleword */ | |
6252 | case 0xe760: /* VMRL - vector merge low */ | |
6253 | case 0xe761: /* VMRH - vector merge high */ | |
6254 | case 0xe762: /* VLVGP - vector load vr from grs disjoint */ | |
6255 | case 0xe764: /* VSUM - vector sum across word */ | |
6256 | case 0xe765: /* VSUMG - vector sum across doubleword */ | |
6257 | case 0xe766: /* VCKSM - vector checksum */ | |
6258 | case 0xe767: /* VSUMQ - vector sum across quadword */ | |
6259 | case 0xe768: /* VN - vector and */ | |
6260 | case 0xe769: /* VNC - vector and with complement */ | |
6261 | case 0xe76a: /* VO - vector or */ | |
6262 | case 0xe76b: /* VNO - vector nor */ | |
6263 | case 0xe76d: /* VX - vector xor */ | |
6264 | case 0xe770: /* VESLV - vector element shift left */ | |
6265 | case 0xe772: /* VERIM - vector element rotate and insert under mask */ | |
6266 | case 0xe773: /* VERLLV - vector element rotate left logical */ | |
6267 | case 0xe774: /* VSL - vector shift left */ | |
6268 | case 0xe775: /* VSLB - vector shift left by byte */ | |
6269 | case 0xe777: /* VSLDB - vector shift left double by byte */ | |
6270 | case 0xe778: /* VESRLV - vector element shift right logical */ | |
6271 | case 0xe77a: /* VESRAV - vector element shift right arithmetic */ | |
6272 | case 0xe77c: /* VSRL - vector shift right logical */ | |
6273 | case 0xe77d: /* VSRLB - vector shift right logical by byte */ | |
6274 | case 0xe77e: /* VSRA - vector shift right arithmetic */ | |
6275 | case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */ | |
6276 | case 0xe784: /* VPDI - vector permute doubleword immediate */ | |
6277 | case 0xe78c: /* VPERM - vector permute */ | |
6278 | case 0xe78d: /* VSEL - vector select */ | |
6279 | case 0xe78e: /* VFMS - vector fp multiply and subtract */ | |
6280 | case 0xe78f: /* VFMA - vector fp multiply and add */ | |
6281 | case 0xe794: /* VPK - vector pack */ | |
6282 | case 0xe7a1: /* VMLH - vector multiply logical high */ | |
6283 | case 0xe7a2: /* VML - vector multiply low */ | |
6284 | case 0xe7a3: /* VMH - vector multiply high */ | |
6285 | case 0xe7a4: /* VMLE - vector multiply logical even */ | |
6286 | case 0xe7a5: /* VMLO - vector multiply logical odd */ | |
6287 | case 0xe7a6: /* VME - vector multiply even */ | |
6288 | case 0xe7a7: /* VMO - vector multiply odd */ | |
6289 | case 0xe7a9: /* VMALH - vector multiply and add logical high */ | |
6290 | case 0xe7aa: /* VMAL - vector multiply and add low */ | |
6291 | case 0xe7ab: /* VMAH - vector multiply and add high */ | |
6292 | case 0xe7ac: /* VMALE - vector multiply and add logical even */ | |
6293 | case 0xe7ad: /* VMALO - vector multiply and add logical odd */ | |
6294 | case 0xe7ae: /* VMAE - vector multiply and add even */ | |
6295 | case 0xe7af: /* VMAO - vector multiply and add odd */ | |
6296 | case 0xe7b4: /* VGFM - vector Galois field multiply sum */ | |
6297 | case 0xe7b9: /* VACCC - vector add with carry compute carry */ | |
6298 | case 0xe7bb: /* VAC - vector add with carry */ | |
6299 | case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */ | |
6300 | case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */ | |
6301 | case 0xe7bf: /* VSBI - vector subtract with borrow indication */ | |
6302 | case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */ | |
6303 | case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */ | |
6304 | case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */ | |
6305 | case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */ | |
6306 | case 0xe7c4: /* VLDE - vector fp load lengthened */ | |
6307 | case 0xe7c5: /* VLED - vector fp load rounded */ | |
6308 | case 0xe7c7: /* VFI - vector load fp integer */ | |
6309 | case 0xe7cc: /* VFPSO - vector fp perform sign operation */ | |
6310 | case 0xe7ce: /* VFSQ - vector fp square root */ | |
6311 | case 0xe7d4: /* VUPLL - vector unpack logical low */ | |
6312 | case 0xe7d6: /* VUPL - vector unpack low */ | |
6313 | case 0xe7d5: /* VUPLH - vector unpack logical high */ | |
6314 | case 0xe7d7: /* VUPH - vector unpack high */ | |
6315 | case 0xe7de: /* VLC - vector load complement */ | |
6316 | case 0xe7df: /* VLP - vector load positive */ | |
6317 | case 0xe7e2: /* VFA - vector fp subtract */ | |
6318 | case 0xe7e3: /* VFA - vector fp add */ | |
6319 | case 0xe7e5: /* VFD - vector fp divide */ | |
6320 | case 0xe7e7: /* VFM - vector fp multiply */ | |
6321 | case 0xe7f0: /* VAVGL - vector average logical */ | |
6322 | case 0xe7f1: /* VACC - vector add and compute carry */ | |
6323 | case 0xe7f2: /* VAVG - vector average */ | |
6324 | case 0xe7f3: /* VA - vector add */ | |
6325 | case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */ | |
6326 | case 0xe7f7: /* VS - vector subtract */ | |
6327 | case 0xe7fc: /* VMNL - vector minimum logical */ | |
6328 | case 0xe7fd: /* VMXL - vector maximum logical */ | |
6329 | case 0xe7fe: /* VMN - vector minimum */ | |
6330 | case 0xe7ff: /* VMX - vector maximum */ | |
6331 | /* vector destination + FPC */ | |
6332 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
6333 | return -1; | |
6334 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6335 | return -1; | |
6336 | break; | |
6337 | ||
6338 | case 0xe708: /* VSTEB - vector store element */ | |
6339 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6340 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6341 | return -1; | |
6342 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6343 | return -1; | |
6344 | break; | |
6345 | ||
6346 | case 0xe709: /* VSTEH - vector store element */ | |
6347 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6348 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6349 | return -1; | |
6350 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6351 | return -1; | |
6352 | break; | |
6353 | ||
6354 | case 0xe70a: /* VSTEG - vector store element */ | |
6355 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6356 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6357 | return -1; | |
6358 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6359 | return -1; | |
6360 | break; | |
6361 | ||
6362 | case 0xe70b: /* VSTEF - vector store element */ | |
6363 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6364 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6365 | return -1; | |
6366 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6367 | return -1; | |
6368 | break; | |
6369 | ||
6370 | /* 0xe70c-0xe70d undefined */ | |
6371 | ||
6372 | case 0xe70e: /* VST - vector store */ | |
6373 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6374 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6375 | return -1; | |
6376 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6377 | return -1; | |
6378 | break; | |
6379 | ||
6380 | /* 0xe70f-0xe711 undefined */ | |
6381 | /* 0xe714-0xe719 undefined */ | |
6382 | ||
6383 | case 0xe71a: /* VSCEG - vector scatter element */ | |
6384 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr)) | |
6385 | return -1; | |
6386 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6387 | return -1; | |
6388 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6389 | return -1; | |
6390 | break; | |
6391 | ||
6392 | case 0xe71b: /* VSCEF - vector scatter element */ | |
6393 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr)) | |
6394 | return -1; | |
6395 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6396 | return -1; | |
6397 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6398 | return -1; | |
6399 | break; | |
6400 | ||
6401 | /* 0xe71c-0xe720 undefined */ | |
6402 | /* 0xe723-0xe726 undefined */ | |
6403 | /* 0xe728-0xe72f undefined */ | |
6404 | /* 0xe731-0xe732 undefined */ | |
6405 | /* 0xe734-0xe735 undefined */ | |
6406 | ||
6407 | case 0xe736: /* VLM - vector load multiple */ | |
6408 | for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f) | |
6409 | if (s390_record_vr (gdbarch, regcache, i)) | |
6410 | return -1; | |
6411 | if (s390_record_vr (gdbarch, regcache, ivec[1])) | |
6412 | return -1; | |
6413 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6414 | return -1; | |
6415 | break; | |
6416 | ||
6417 | /* 0xe739 undefined */ | |
6418 | /* 0xe73b-0xe73d undefined */ | |
6419 | ||
6420 | case 0xe73e: /* VSTM - vector store multiple */ | |
6421 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6422 | if (ivec[0] <= ivec[1]) | |
6423 | n = ivec[1] - ivec[0] + 1; | |
6424 | else | |
6425 | n = ivec[1] + 0x20 - ivec[0] + 1; | |
6426 | if (record_full_arch_list_add_mem (oaddr, n * 16)) | |
6427 | return -1; | |
6428 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6429 | return -1; | |
6430 | break; | |
6431 | ||
6432 | case 0xe73f: /* VSTL - vector store with length */ | |
6433 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6434 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp); | |
6435 | tmp &= 0xffffffffu; | |
6436 | if (tmp > 16) | |
6437 | tmp = 16; | |
6438 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
6439 | return -1; | |
6440 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6441 | return -1; | |
6442 | break; | |
6443 | ||
6444 | /* 0xe747-0xe749 undefined */ | |
6445 | ||
6446 | case 0xe74a: /* VFTCI - vector fp test data class immediate */ | |
6447 | case 0xe75c: /* VISTR - vector isolate string */ | |
6448 | case 0xe780: /* VFEE - vector find element equal */ | |
6449 | case 0xe781: /* VFENE - vector find element not equal */ | |
6450 | case 0xe782: /* VFA - vector find any element equal */ | |
6451 | case 0xe78a: /* VSTRC - vector string range compare */ | |
6452 | case 0xe795: /* VPKLS - vector pack logical saturate */ | |
6453 | case 0xe797: /* VPKS - vector pack saturate */ | |
6454 | case 0xe7e8: /* VFCE - vector fp compare equal */ | |
6455 | case 0xe7ea: /* VFCHE - vector fp compare high or equal */ | |
6456 | case 0xe7eb: /* VFCE - vector fp compare high */ | |
6457 | case 0xe7f8: /* VCEQ - vector compare equal */ | |
6458 | case 0xe7f9: /* VCHL - vector compare high logical */ | |
6459 | case 0xe7fb: /* VCH - vector compare high */ | |
6460 | /* vector destination + flags + FPC */ | |
6461 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
6462 | return -1; | |
6463 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6464 | return -1; | |
6465 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6466 | return -1; | |
6467 | break; | |
6468 | ||
6469 | /* 0xe74b-0xe74c undefined */ | |
6470 | /* 0xe74e-0xe74f undefined */ | |
6471 | /* 0xe751 undefined */ | |
6472 | /* 0xe754-0xe755 undefined */ | |
6473 | /* 0xe757-0xe75b undefined */ | |
6474 | /* 0xe75d-0xe75e undefined */ | |
6475 | /* 0xe763 undefined */ | |
6476 | /* 0xe76c undefined */ | |
6477 | /* 0xe76e-0xe76f undefined */ | |
6478 | /* 0xe771 undefined */ | |
6479 | /* 0xe776 undefined */ | |
6480 | /* 0xe779 undefined */ | |
6481 | /* 0xe77b undefined */ | |
6482 | /* 0xe783 undefined */ | |
6483 | /* 0xe785-0xe789 undefined */ | |
6484 | /* 0xe78b undefined */ | |
6485 | /* 0xe790-0xe793 undefined */ | |
6486 | /* 0xe796 undefined */ | |
6487 | /* 0xe798-0xe7a0 undefined */ | |
6488 | /* 0xe7a8 undefined */ | |
6489 | /* 0xe7b0-0xe7b3 undefined */ | |
6490 | /* 0xe7b5-0xe7b8 undefined */ | |
6491 | /* 0xe7ba undefined */ | |
6492 | /* 0xe7be undefined */ | |
6493 | /* 0xe7c6 undefined */ | |
6494 | /* 0xe7c8-0xe7c9 undefined */ | |
6495 | ||
6496 | case 0xe7ca: /* WFK - vector fp compare and signal scalar */ | |
6497 | case 0xe7cb: /* WFC - vector fp compare scalar */ | |
6498 | case 0xe7d8: /* VTM - vector test under mask */ | |
6499 | case 0xe7d9: /* VECL - vector element compare logical */ | |
6500 | case 0xe7db: /* VEC - vector element compare */ | |
6501 | case 0xed08: /* KEB - compare and signal */ | |
6502 | case 0xed09: /* CEB - compare */ | |
6503 | case 0xed18: /* KDB - compare and signal */ | |
6504 | case 0xed19: /* CDB - compare */ | |
6505 | /* flags + fpc only */ | |
6506 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6507 | return -1; | |
6508 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6509 | return -1; | |
6510 | break; | |
6511 | ||
6512 | /* 0xe7cd undefined */ | |
6513 | /* 0xe7cf-0xe7d3 undefined */ | |
6514 | /* 0xe7da undefined */ | |
6515 | /* 0xe7dc-0xe7dd undefined */ | |
6516 | /* 0xe7e0-0xe7e1 undefined */ | |
6517 | /* 0xe7e4 undefined */ | |
6518 | /* 0xe7e6 undefined */ | |
6519 | /* 0xe7e9 undefined */ | |
6520 | /* 0xe7ec-0xe7ef undefined */ | |
6521 | /* 0xe7f4 undefined */ | |
6522 | /* 0xe7f6 undefined */ | |
6523 | /* 0xe7fa undefined */ | |
6524 | ||
6525 | /* 0xeb00-0xeb03 undefined */ | |
6526 | ||
6527 | case 0xeb04: /* LMG - load multiple */ | |
6528 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6529 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
6530 | return -1; | |
6531 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
6532 | return -1; | |
6533 | break; | |
6534 | ||
6535 | /* 0xeb05-0xeb09 undefined */ | |
6536 | /* 0xeb0e undefined */ | |
6537 | /* 0xeb0f privileged: TRACG */ | |
6538 | /* 0xeb10-0xeb13 undefined */ | |
6539 | ||
6540 | case 0xeb14: /* CSY - compare and swap */ | |
6541 | case 0xebf4: /* LAN - load and and */ | |
6542 | case 0xebf6: /* LAO - load and or */ | |
6543 | case 0xebf7: /* LAX - load and xor */ | |
6544 | case 0xebf8: /* LAA - load and add */ | |
6545 | case 0xebfa: /* LAAL - load and add logical */ | |
6546 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6547 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6548 | return -1; | |
6549 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6550 | return -1; | |
6551 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6552 | return -1; | |
6553 | break; | |
6554 | ||
6555 | /* 0xeb15-0xeb1b undefined */ | |
6556 | /* 0xeb1e-0xeb1f undefined */ | |
6557 | /* 0xeb22 undefined */ | |
6558 | ||
6559 | case 0xeb23: /* CLT - compare logical and trap */ | |
6560 | case 0xeb2b: /* CLGT - compare logical and trap */ | |
6561 | /* fpc only - including possible DXC write for trapping insns */ | |
6562 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6563 | return -1; | |
6564 | break; | |
6565 | ||
6566 | case 0xeb24: /* STMG - store multiple */ | |
6567 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6568 | if (inib[2] <= inib[3]) | |
6569 | n = inib[3] - inib[2] + 1; | |
6570 | else | |
6571 | n = inib[3] + 0x10 - inib[2] + 1; | |
6572 | if (record_full_arch_list_add_mem (oaddr, n * 8)) | |
6573 | return -1; | |
6574 | break; | |
6575 | ||
6576 | /* 0xeb25 privileged */ | |
6577 | ||
6578 | case 0xeb26: /* STMH - store multiple high */ | |
6579 | case 0xeb90: /* STMY - store multiple */ | |
6580 | case 0xeb9b: /* STAMY - store access multiple */ | |
6581 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6582 | if (inib[2] <= inib[3]) | |
6583 | n = inib[3] - inib[2] + 1; | |
6584 | else | |
6585 | n = inib[3] + 0x10 - inib[2] + 1; | |
6586 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
6587 | return -1; | |
6588 | break; | |
6589 | ||
6590 | /* 0xeb27-0xeb2a undefined */ | |
6591 | ||
6592 | case 0xeb2c: /* STCMH - store characters under mask */ | |
6593 | case 0xeb2d: /* STCMY - store characters under mask */ | |
6594 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6595 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
6596 | return -1; | |
6597 | break; | |
6598 | ||
6599 | /* 0xeb2e undefined */ | |
6600 | /* 0xeb2f privileged */ | |
6601 | ||
6602 | case 0xeb30: /* CSG - compare and swap */ | |
6603 | case 0xebe4: /* LANG - load and and */ | |
6604 | case 0xebe6: /* LAOG - load and or */ | |
6605 | case 0xebe7: /* LAXG - load and xor */ | |
6606 | case 0xebe8: /* LAAG - load and add */ | |
6607 | case 0xebea: /* LAALG - load and add logical */ | |
6608 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6609 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6610 | return -1; | |
6611 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6612 | return -1; | |
6613 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6614 | return -1; | |
6615 | break; | |
6616 | ||
6617 | case 0xeb31: /* CDSY - compare double and swap */ | |
6618 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6619 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6620 | return -1; | |
6621 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6622 | return -1; | |
6623 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6624 | return -1; | |
6625 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6626 | return -1; | |
6627 | break; | |
6628 | ||
6629 | /* 0xeb32-0xeb3d undefined */ | |
6630 | ||
6631 | case 0xeb3e: /* CDSG - compare double and swap */ | |
6632 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6633 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6634 | return -1; | |
6635 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6636 | return -1; | |
6637 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
6638 | return -1; | |
6639 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6640 | return -1; | |
6641 | break; | |
6642 | ||
6643 | /* 0xeb3f-0xeb43 undefined */ | |
6644 | /* 0xeb46-0xeb4b undefined */ | |
6645 | /* 0xeb4d-0xeb50 undefined */ | |
6646 | ||
6647 | case 0xeb52: /* MVIY - move */ | |
6648 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6649 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6650 | return -1; | |
6651 | break; | |
6652 | ||
6653 | case 0xeb54: /* NIY - and */ | |
6654 | case 0xeb56: /* OIY - or */ | |
6655 | case 0xeb57: /* XIY - xor */ | |
6656 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6657 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6658 | return -1; | |
6659 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6660 | return -1; | |
6661 | break; | |
6662 | ||
6663 | /* 0xeb53 undefined */ | |
6664 | /* 0xeb58-0xeb69 undefined */ | |
6665 | ||
6666 | case 0xeb6a: /* ASI - add immediate */ | |
6667 | case 0xeb6e: /* ALSI - add immediate */ | |
6668 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6669 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6670 | return -1; | |
6671 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6672 | return -1; | |
6673 | break; | |
6674 | ||
6675 | /* 0xeb6b-0xeb6d undefined */ | |
6676 | /* 0xeb6f-0xeb79 undefined */ | |
6677 | ||
6678 | case 0xeb7a: /* AGSI - add immediate */ | |
6679 | case 0xeb7e: /* ALGSI - add immediate */ | |
6680 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6681 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6682 | return -1; | |
6683 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6684 | return -1; | |
6685 | break; | |
6686 | ||
6687 | /* 0xeb7b-0xeb7d undefined */ | |
6688 | /* 0xeb7f undefined */ | |
6689 | ||
6690 | case 0xeb80: /* ICMH - insert characters under mask */ | |
6691 | /* 32-bit high gpr destination + flags */ | |
6692 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6693 | return -1; | |
6694 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6695 | return -1; | |
6696 | break; | |
6697 | ||
6698 | /* 0xeb82-0xeb8d undefined */ | |
6699 | ||
6700 | case 0xeb8e: /* MVCLU - move long unicode [partial] */ | |
6701 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
6702 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
6703 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
6704 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
6705 | return -1; | |
6706 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6707 | return -1; | |
6708 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6709 | return -1; | |
6710 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6711 | return -1; | |
6712 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
6713 | return -1; | |
6714 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6715 | return -1; | |
6716 | break; | |
6717 | ||
6718 | case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */ | |
6719 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6720 | return -1; | |
6721 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6722 | return -1; | |
6723 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6724 | return -1; | |
6725 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
6726 | return -1; | |
6727 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6728 | return -1; | |
6729 | break; | |
6730 | ||
6731 | /* 0xeb91-0xeb95 undefined */ | |
6732 | ||
6733 | case 0xeb96: /* LMH - load multiple high */ | |
6734 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6735 | if (s390_record_gpr_h (gdbarch, regcache, i)) | |
6736 | return -1; | |
6737 | if (s390_record_gpr_h (gdbarch, regcache, inib[3])) | |
6738 | return -1; | |
6739 | break; | |
6740 | ||
6741 | /* 0xeb97 undefined */ | |
6742 | ||
6743 | case 0xeb98: /* LMY - load multiple */ | |
6744 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6745 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
6746 | return -1; | |
6747 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6748 | return -1; | |
6749 | break; | |
6750 | ||
6751 | /* 0xeb99 undefined */ | |
6752 | ||
6753 | case 0xeb9a: /* LAMY - load access multiple */ | |
6754 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6755 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
6756 | return -1; | |
6757 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
6758 | return -1; | |
6759 | break; | |
6760 | ||
6761 | /* 0xeb9c-0xebbf undefined */ | |
6762 | /* 0xebc1-0xebdb undefined */ | |
6763 | /* 0xebe5 undefined */ | |
6764 | /* 0xebe9 undefined */ | |
6765 | /* 0xebeb-0xebf1 undefined */ | |
6766 | /* 0xebf5 undefined */ | |
6767 | /* 0xebf9 undefined */ | |
6768 | /* 0xebfb-0xebff undefined */ | |
6769 | ||
6770 | /* 0xed00-0xed03 undefined */ | |
6771 | ||
6772 | case 0xed04: /* LDEB - load lengthened */ | |
6773 | case 0xed0c: /* MDEB - multiply */ | |
6774 | case 0xed0d: /* DEB - divide */ | |
6775 | case 0xed14: /* SQEB - square root */ | |
6776 | case 0xed15: /* SQDB - square root */ | |
6777 | case 0xed17: /* MEEB - multiply */ | |
6778 | case 0xed1c: /* MDB - multiply */ | |
6779 | case 0xed1d: /* DDB - divide */ | |
6780 | /* float destination + fpc */ | |
6781 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6782 | return -1; | |
6783 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6784 | return -1; | |
6785 | break; | |
6786 | ||
6787 | case 0xed05: /* LXDB - load lengthened */ | |
6788 | case 0xed06: /* LXEB - load lengthened */ | |
6789 | case 0xed07: /* MXDB - multiply */ | |
6790 | /* float pair destination + fpc */ | |
6791 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6792 | return -1; | |
6793 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
6794 | return -1; | |
6795 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6796 | return -1; | |
6797 | break; | |
6798 | ||
6799 | case 0xed0a: /* AEB - add */ | |
6800 | case 0xed0b: /* SEB - subtract */ | |
6801 | case 0xed1a: /* ADB - add */ | |
6802 | case 0xed1b: /* SDB - subtract */ | |
6803 | /* float destination + flags + fpc */ | |
6804 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6805 | return -1; | |
6806 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6807 | return -1; | |
6808 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6809 | return -1; | |
6810 | break; | |
6811 | ||
6812 | case 0xed0e: /* MAEB - multiply and add */ | |
6813 | case 0xed0f: /* MSEB - multiply and subtract */ | |
6814 | case 0xed1e: /* MADB - multiply and add */ | |
6815 | case 0xed1f: /* MSDB - multiply and subtract */ | |
6816 | case 0xed40: /* SLDT - shift significand left */ | |
6817 | case 0xed41: /* SRDT - shift significand right */ | |
6818 | case 0xedaa: /* CDZT - convert from zoned */ | |
6819 | case 0xedae: /* CDPT - convert from packed */ | |
6820 | /* float destination [RXF] + fpc */ | |
6821 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6822 | return -1; | |
6823 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6824 | return -1; | |
6825 | break; | |
6826 | ||
6827 | /* 0xed13 undefined */ | |
6828 | /* 0xed16 undefined */ | |
6829 | /* 0xed20-0xed23 undefined */ | |
6830 | ||
6831 | case 0xed24: /* LDE - load lengthened */ | |
6832 | case 0xed34: /* SQE - square root */ | |
6833 | case 0xed35: /* SQD - square root */ | |
6834 | case 0xed37: /* MEE - multiply */ | |
6835 | case 0xed64: /* LEY - load */ | |
6836 | case 0xed65: /* LDY - load */ | |
6837 | /* float destination */ | |
6838 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6839 | return -1; | |
6840 | break; | |
6841 | ||
6842 | case 0xed25: /* LXD - load lengthened */ | |
6843 | case 0xed26: /* LXE - load lengthened */ | |
6844 | /* float pair destination */ | |
6845 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6846 | return -1; | |
6847 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
6848 | return -1; | |
6849 | break; | |
6850 | ||
6851 | /* 0xed27-0xed2d undefined */ | |
6852 | ||
6853 | case 0xed2e: /* MAE - multiply and add */ | |
6854 | case 0xed2f: /* MSE - multiply and subtract */ | |
6855 | case 0xed38: /* MAYL - multiply and add unnormalized */ | |
6856 | case 0xed39: /* MYL - multiply unnormalized */ | |
6857 | case 0xed3c: /* MAYH - multiply and add unnormalized */ | |
6858 | case 0xed3d: /* MYH - multiply unnormalized */ | |
6859 | case 0xed3e: /* MAD - multiply and add */ | |
6860 | case 0xed3f: /* MSD - multiply and subtract */ | |
6861 | /* float destination [RXF] */ | |
6862 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6863 | return -1; | |
6864 | break; | |
6865 | ||
6866 | /* 0xed30-0xed33 undefined */ | |
6867 | /* 0xed36 undefined */ | |
6868 | ||
6869 | case 0xed3a: /* MAY - multiply and add unnormalized */ | |
6870 | case 0xed3b: /* MY - multiply unnormalized */ | |
6871 | /* float pair destination [RXF] */ | |
6872 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6873 | return -1; | |
6874 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
6875 | return -1; | |
6876 | break; | |
6877 | ||
6878 | /* 0xed42-0xed47 undefind */ | |
6879 | ||
6880 | case 0xed48: /* SLXT - shift significand left */ | |
6881 | case 0xed49: /* SRXT - shift significand right */ | |
6882 | case 0xedab: /* CXZT - convert from zoned */ | |
6883 | case 0xedaf: /* CXPT - convert from packed */ | |
6884 | /* float pair destination [RXF] + fpc */ | |
6885 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6886 | return -1; | |
6887 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
6888 | return -1; | |
6889 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6890 | return -1; | |
6891 | break; | |
6892 | ||
6893 | /* 0xed4a-0xed4f undefind */ | |
6894 | /* 0xed52-0xed53 undefind */ | |
6895 | /* 0xed56-0xed57 undefind */ | |
6896 | /* 0xed5a-0xed63 undefind */ | |
6897 | /* 0xed68-0xeda7 undefined */ | |
6898 | ||
6899 | case 0xeda8: /* CZDT - convert to zoned */ | |
6900 | case 0xeda9: /* CZXT - convert to zoned */ | |
6901 | case 0xedac: /* CPDT - convert to packed */ | |
6902 | case 0xedad: /* CPXT - convert to packed */ | |
6903 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6904 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
6905 | return -1; | |
6906 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6907 | return -1; | |
6908 | break; | |
6909 | ||
6910 | /* 0xedb0-0xedff undefined */ | |
6911 | ||
6912 | default: | |
6913 | goto UNKNOWN_OP; | |
6914 | } | |
6915 | break; | |
6916 | ||
6917 | /* 0xe4 undefined */ | |
6918 | ||
6919 | case 0xe5: | |
6920 | /* SSE/SIL-format instruction */ | |
6921 | switch (insn[0]) | |
6922 | { | |
6923 | /* 0xe500-0xe543 undefined, privileged, or unsupported */ | |
6924 | ||
6925 | case 0xe544: /* MVHHI - move */ | |
6926 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6927 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6928 | return -1; | |
6929 | break; | |
6930 | ||
6931 | /* 0xe545-0xe547 undefined */ | |
6932 | ||
6933 | case 0xe548: /* MVGHI - move */ | |
6934 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6935 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6936 | return -1; | |
6937 | break; | |
6938 | ||
6939 | /* 0xe549-0xe54b undefined */ | |
6940 | ||
6941 | case 0xe54c: /* MVHI - move */ | |
6942 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6943 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6944 | return -1; | |
6945 | break; | |
6946 | ||
6947 | /* 0xe54d-0xe553 undefined */ | |
6948 | ||
6949 | case 0xe554: /* CHHSI - compare halfword immediate */ | |
6950 | case 0xe555: /* CLHHSI - compare logical immediate */ | |
6951 | case 0xe558: /* CGHSI - compare halfword immediate */ | |
6952 | case 0xe559: /* CLGHSI - compare logical immediate */ | |
6953 | case 0xe55c: /* CHSI - compare halfword immediate */ | |
6954 | case 0xe55d: /* CLFHSI - compare logical immediate */ | |
6955 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6956 | return -1; | |
6957 | break; | |
6958 | ||
6959 | /* 0xe556-0xe557 undefined */ | |
6960 | /* 0xe55a-0xe55b undefined */ | |
6961 | /* 0xe55e-0xe55f undefined */ | |
6962 | ||
6963 | case 0xe560: /* TBEGIN - transaction begin */ | |
6964 | /* The transaction will be immediately aborted after this | |
6965 | instruction, due to single-stepping. This instruction is | |
6966 | only supported so that the program can fail a few times | |
6967 | and go to the non-transactional fallback. */ | |
6968 | if (inib[4]) | |
6969 | { | |
6970 | /* Transaction diagnostic block - user. */ | |
6971 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6972 | if (record_full_arch_list_add_mem (oaddr, 256)) | |
6973 | return -1; | |
6974 | } | |
6975 | /* Transaction diagnostic block - supervisor. */ | |
6976 | if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM)) | |
6977 | return -1; | |
6978 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM)) | |
6979 | return -1; | |
6980 | if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM)) | |
6981 | return -1; | |
6982 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM)) | |
6983 | return -1; | |
6984 | for (i = 0; i < 16; i++) | |
6985 | if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i)) | |
6986 | return -1; | |
6987 | /* And flags. */ | |
6988 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6989 | return -1; | |
6990 | break; | |
6991 | ||
6992 | /* 0xe561 unsupported: TBEGINC */ | |
6993 | /* 0xe562-0xe5ff undefined */ | |
6994 | ||
6995 | default: | |
6996 | goto UNKNOWN_OP; | |
6997 | } | |
6998 | break; | |
6999 | ||
7000 | /* 0xe6 undefined */ | |
7001 | ||
7002 | case 0xec: | |
7003 | /* RIE/RIS/RRS-format instruction */ | |
7004 | switch (ibyte[0] << 8 | ibyte[5]) | |
7005 | { | |
7006 | /* 0xec00-0xec41 undefined */ | |
7007 | ||
7008 | case 0xec42: /* LOCHI - load halfword immediate on condition */ | |
7009 | case 0xec51: /* RISBLG - rotate then insert selected bits low */ | |
7010 | /* 32-bit or native gpr destination */ | |
7011 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7012 | return -1; | |
7013 | break; | |
7014 | ||
7015 | /* 0xec43 undefined */ | |
7016 | ||
7017 | case 0xec44: /* BRXHG - branch relative on index high */ | |
7018 | case 0xec45: /* BRXLG - branch relative on index low or equal */ | |
7019 | case 0xec46: /* LOCGHI - load halfword immediate on condition */ | |
7020 | case 0xec59: /* RISBGN - rotate then insert selected bits */ | |
7021 | /* 64-bit gpr destination */ | |
7022 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7023 | return -1; | |
7024 | break; | |
7025 | ||
7026 | /* 0xec47-0xec4d undefined */ | |
7027 | ||
7028 | case 0xec4e: /* LOCHHI - load halfword immediate on condition */ | |
7029 | case 0xec5d: /* RISBHG - rotate then insert selected bits high */ | |
7030 | /* 32-bit high gpr destination */ | |
7031 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
7032 | return -1; | |
7033 | break; | |
7034 | ||
7035 | /* 0xec4f-0xec50 undefined */ | |
7036 | /* 0xec52-0xec53 undefined */ | |
7037 | ||
7038 | case 0xec54: /* RNSBG - rotate then and selected bits */ | |
7039 | case 0xec55: /* RISBG - rotate then insert selected bits */ | |
7040 | case 0xec56: /* ROSBG - rotate then or selected bits */ | |
7041 | case 0xec57: /* RXSBG - rotate then xor selected bits */ | |
7042 | case 0xecd9: /* AGHIK - add immediate */ | |
7043 | case 0xecdb: /* ALGHSIK - add logical immediate */ | |
7044 | /* 64-bit gpr destination + flags */ | |
7045 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7046 | return -1; | |
7047 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7048 | return -1; | |
7049 | break; | |
7050 | ||
7051 | /* 0xec58 undefined */ | |
7052 | /* 0xec5a-0xec5c undefined */ | |
7053 | /* 0xec5e-0xec63 undefined */ | |
7054 | ||
7055 | case 0xec64: /* CGRJ - compare and branch relative */ | |
7056 | case 0xec65: /* CLGRJ - compare logical and branch relative */ | |
7057 | case 0xec76: /* CRJ - compare and branch relative */ | |
7058 | case 0xec77: /* CLRJ - compare logical and branch relative */ | |
7059 | case 0xec7c: /* CGIJ - compare immediate and branch relative */ | |
7060 | case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */ | |
7061 | case 0xec7e: /* CIJ - compare immediate and branch relative */ | |
7062 | case 0xec7f: /* CLIJ - compare logical immediate and branch relative */ | |
7063 | case 0xece4: /* CGRB - compare and branch */ | |
7064 | case 0xece5: /* CLGRB - compare logical and branch */ | |
7065 | case 0xecf6: /* CRB - compare and branch */ | |
7066 | case 0xecf7: /* CLRB - compare logical and branch */ | |
7067 | case 0xecfc: /* CGIB - compare immediate and branch */ | |
7068 | case 0xecfd: /* CLGIB - compare logical immediate and branch */ | |
7069 | case 0xecfe: /* CIB - compare immediate and branch */ | |
7070 | case 0xecff: /* CLIB - compare logical immediate and branch */ | |
7071 | break; | |
7072 | ||
7073 | /* 0xec66-0xec6f undefined */ | |
7074 | ||
7075 | case 0xec70: /* CGIT - compare immediate and trap */ | |
7076 | case 0xec71: /* CLGIT - compare logical immediate and trap */ | |
7077 | case 0xec72: /* CIT - compare immediate and trap */ | |
7078 | case 0xec73: /* CLFIT - compare logical immediate and trap */ | |
7079 | /* fpc only - including possible DXC write for trapping insns */ | |
7080 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7081 | return -1; | |
7082 | break; | |
7083 | ||
7084 | /* 0xec74-0xec75 undefined */ | |
7085 | /* 0xec78-0xec7b undefined */ | |
7086 | ||
7087 | /* 0xec80-0xecd7 undefined */ | |
7088 | ||
7089 | case 0xecd8: /* AHIK - add immediate */ | |
7090 | case 0xecda: /* ALHSIK - add logical immediate */ | |
7091 | /* 32-bit gpr destination + flags */ | |
7092 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7093 | return -1; | |
7094 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7095 | return -1; | |
7096 | break; | |
7097 | ||
7098 | /* 0xecdc-0xece3 undefined */ | |
7099 | /* 0xece6-0xecf5 undefined */ | |
7100 | /* 0xecf8-0xecfb undefined */ | |
7101 | ||
7102 | default: | |
7103 | goto UNKNOWN_OP; | |
7104 | } | |
7105 | break; | |
7106 | ||
7107 | case 0xee: /* PLO - perform locked operation */ | |
7108 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
7109 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7110 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
7111 | if (!(tmp & 0x100)) | |
7112 | { | |
7113 | uint8_t fc = tmp & 0xff; | |
7114 | gdb_byte buf[8]; | |
7115 | switch (fc) | |
7116 | { | |
7117 | case 0x00: /* CL */ | |
7118 | /* op1c */ | |
7119 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7120 | return -1; | |
7121 | /* op3 */ | |
7122 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
7123 | return -1; | |
7124 | break; | |
7125 | ||
7126 | case 0x01: /* CLG */ | |
7127 | /* op1c */ | |
7128 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
7129 | return -1; | |
7130 | /* op3 */ | |
7131 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
7132 | return -1; | |
7133 | break; | |
7134 | ||
7135 | case 0x02: /* CLGR */ | |
7136 | /* op1c */ | |
7137 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7138 | return -1; | |
7139 | /* op3 */ | |
7140 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7141 | return -1; | |
7142 | break; | |
7143 | ||
7144 | case 0x03: /* CLX */ | |
7145 | /* op1c */ | |
7146 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
7147 | return -1; | |
7148 | /* op3 */ | |
7149 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
7150 | return -1; | |
7151 | break; | |
7152 | ||
7153 | case 0x08: /* DCS */ | |
7154 | /* op3c */ | |
7155 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
7156 | return -1; | |
7157 | /* fallthru */ | |
7158 | case 0x0c: /* CSST */ | |
7159 | /* op4 */ | |
7160 | if (record_full_arch_list_add_mem (oaddr2, 4)) | |
7161 | return -1; | |
7162 | goto CS; | |
7163 | ||
7164 | case 0x14: /* CSTST */ | |
7165 | /* op8 */ | |
7166 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7167 | return -1; | |
7168 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7169 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7170 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7171 | return -1; | |
7172 | /* fallthru */ | |
7173 | case 0x10: /* CSDST */ | |
7174 | /* op6 */ | |
7175 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7176 | return -1; | |
7177 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7178 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7179 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7180 | return -1; | |
7181 | /* op4 */ | |
7182 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7183 | return -1; | |
7184 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7185 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7186 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7187 | return -1; | |
7188 | /* fallthru */ | |
7189 | case 0x04: /* CS */ | |
7190 | CS: | |
7191 | /* op1c */ | |
7192 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7193 | return -1; | |
7194 | /* op2 */ | |
7195 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
7196 | return -1; | |
7197 | break; | |
7198 | ||
7199 | case 0x09: /* DCSG */ | |
7200 | /* op3c */ | |
7201 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
7202 | return -1; | |
7203 | goto CSSTG; | |
7204 | ||
7205 | case 0x15: /* CSTSTG */ | |
7206 | /* op8 */ | |
7207 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7208 | return -1; | |
7209 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7210 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7211 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7212 | return -1; | |
7213 | /* fallthru */ | |
7214 | case 0x11: /* CSDSTG */ | |
7215 | /* op6 */ | |
7216 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7217 | return -1; | |
7218 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7219 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7220 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7221 | return -1; | |
7222 | /* fallthru */ | |
7223 | case 0x0d: /* CSSTG */ | |
7224 | CSSTG: | |
7225 | /* op4 */ | |
7226 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7227 | return -1; | |
7228 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7229 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7230 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7231 | return -1; | |
7232 | /* fallthru */ | |
7233 | case 0x05: /* CSG */ | |
7234 | /* op1c */ | |
7235 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
7236 | return -1; | |
7237 | /* op2 */ | |
7238 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7239 | return -1; | |
7240 | break; | |
7241 | ||
7242 | case 0x0a: /* DCSGR */ | |
7243 | /* op3c */ | |
7244 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7245 | return -1; | |
7246 | /* fallthru */ | |
7247 | case 0x0e: /* CSSTGR */ | |
7248 | /* op4 */ | |
7249 | if (record_full_arch_list_add_mem (oaddr2, 8)) | |
7250 | return -1; | |
7251 | goto CSGR; | |
7252 | ||
7253 | case 0x16: /* CSTSTGR */ | |
7254 | /* op8 */ | |
7255 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7256 | return -1; | |
7257 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7258 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7259 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7260 | return -1; | |
7261 | /* fallthru */ | |
7262 | case 0x12: /* CSDSTGR */ | |
7263 | /* op6 */ | |
7264 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7265 | return -1; | |
7266 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7267 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7268 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7269 | return -1; | |
7270 | /* op4 */ | |
7271 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7272 | return -1; | |
7273 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7274 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7275 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7276 | return -1; | |
7277 | /* fallthru */ | |
7278 | case 0x06: /* CSGR */ | |
7279 | CSGR: | |
7280 | /* op1c */ | |
7281 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7282 | return -1; | |
7283 | /* op2 */ | |
7284 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7285 | return -1; | |
7286 | break; | |
7287 | ||
7288 | case 0x0b: /* DCSX */ | |
7289 | /* op3c */ | |
7290 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
7291 | return -1; | |
7292 | goto CSSTX; | |
7293 | ||
7294 | case 0x17: /* CSTSTX */ | |
7295 | /* op8 */ | |
7296 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7297 | return -1; | |
7298 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7299 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7300 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7301 | return -1; | |
7302 | /* fallthru */ | |
7303 | case 0x13: /* CSDSTX */ | |
7304 | /* op6 */ | |
7305 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7306 | return -1; | |
7307 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7308 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7309 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7310 | return -1; | |
7311 | /* fallthru */ | |
7312 | case 0x0f: /* CSSTX */ | |
7313 | CSSTX: | |
7314 | /* op4 */ | |
7315 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7316 | return -1; | |
7317 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7318 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7319 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7320 | return -1; | |
7321 | /* fallthru */ | |
7322 | case 0x07: /* CSX */ | |
7323 | /* op1c */ | |
7324 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
7325 | return -1; | |
7326 | /* op2 */ | |
7327 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
7328 | return -1; | |
7329 | break; | |
7330 | ||
7331 | default: | |
7332 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n", | |
7333 | fc, paddress (gdbarch, addr)); | |
7334 | return -1; | |
7335 | } | |
7336 | } | |
7337 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7338 | return -1; | |
7339 | break; | |
7340 | ||
7341 | case 0xef: /* LMD - load multiple disjoint */ | |
7342 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
7343 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
7344 | return -1; | |
7345 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7346 | return -1; | |
7347 | break; | |
7348 | ||
7349 | case 0xf0: /* SRP - shift and round decimal */ | |
7350 | case 0xf8: /* ZAP - zero and add */ | |
7351 | case 0xfa: /* AP - add decimal */ | |
7352 | case 0xfb: /* SP - subtract decimal */ | |
7353 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7354 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7355 | return -1; | |
7356 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7357 | return -1; | |
7358 | /* DXC may be written */ | |
7359 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7360 | return -1; | |
7361 | break; | |
7362 | ||
7363 | case 0xf1: /* MVO - move with offset */ | |
7364 | case 0xf2: /* PACK - pack */ | |
7365 | case 0xf3: /* UNPK - unpack */ | |
7366 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7367 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7368 | return -1; | |
7369 | break; | |
7370 | ||
7371 | /* 0xf4-0xf7 undefined */ | |
7372 | ||
7373 | case 0xf9: /* CP - compare decimal */ | |
7374 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7375 | return -1; | |
7376 | /* DXC may be written */ | |
7377 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7378 | return -1; | |
7379 | break; | |
7380 | ||
7381 | case 0xfc: /* MP - multiply decimal */ | |
7382 | case 0xfd: /* DP - divide decimal */ | |
7383 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7384 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7385 | return -1; | |
7386 | /* DXC may be written */ | |
7387 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7388 | return -1; | |
7389 | break; | |
7390 | ||
7391 | /* 0xfe-0xff undefined */ | |
7392 | ||
7393 | default: | |
7394 | UNKNOWN_OP: | |
7395 | fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x " | |
7396 | "at %s.\n", insn[0], paddress (gdbarch, addr)); | |
7397 | return -1; | |
7398 | } | |
7399 | ||
7400 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) | |
7401 | return -1; | |
7402 | if (record_full_arch_list_add_end ()) | |
7403 | return -1; | |
7404 | return 0; | |
7405 | } | |
7406 | ||
7407 | /* Initialize linux_record_tdep if not initialized yet. */ | |
7408 | ||
7409 | static void | |
7410 | s390_init_linux_record_tdep (struct linux_record_tdep *record_tdep, | |
7411 | enum s390_abi_kind abi) | |
7412 | { | |
7413 | /* These values are the size of the type that will be used in a system | |
7414 | call. They are obtained from Linux Kernel source. */ | |
7415 | ||
7416 | if (abi == ABI_LINUX_ZSERIES) | |
7417 | { | |
7418 | record_tdep->size_pointer = 8; | |
7419 | /* no _old_kernel_stat */ | |
7420 | record_tdep->size_tms = 32; | |
7421 | record_tdep->size_loff_t = 8; | |
7422 | record_tdep->size_flock = 32; | |
7423 | record_tdep->size_ustat = 32; | |
7424 | record_tdep->size_old_sigaction = 32; | |
7425 | record_tdep->size_old_sigset_t = 8; | |
7426 | record_tdep->size_rlimit = 16; | |
7427 | record_tdep->size_rusage = 144; | |
7428 | record_tdep->size_timeval = 16; | |
7429 | record_tdep->size_timezone = 8; | |
7430 | /* old_[ug]id_t never used */ | |
7431 | record_tdep->size_fd_set = 128; | |
7432 | record_tdep->size_old_dirent = 280; | |
7433 | record_tdep->size_statfs = 88; | |
7434 | record_tdep->size_statfs64 = 88; | |
7435 | record_tdep->size_sockaddr = 16; | |
7436 | record_tdep->size_int = 4; | |
7437 | record_tdep->size_long = 8; | |
7438 | record_tdep->size_ulong = 8; | |
7439 | record_tdep->size_msghdr = 56; | |
7440 | record_tdep->size_itimerval = 32; | |
7441 | record_tdep->size_stat = 144; | |
7442 | /* old_utsname unused */ | |
7443 | record_tdep->size_sysinfo = 112; | |
7444 | record_tdep->size_msqid_ds = 120; | |
7445 | record_tdep->size_shmid_ds = 112; | |
7446 | record_tdep->size_new_utsname = 390; | |
7447 | record_tdep->size_timex = 208; | |
7448 | record_tdep->size_mem_dqinfo = 24; | |
7449 | record_tdep->size_if_dqblk = 72; | |
7450 | record_tdep->size_fs_quota_stat = 80; | |
7451 | record_tdep->size_timespec = 16; | |
7452 | record_tdep->size_pollfd = 8; | |
7453 | record_tdep->size_NFS_FHSIZE = 32; | |
7454 | record_tdep->size_knfsd_fh = 132; | |
7455 | record_tdep->size_TASK_COMM_LEN = 16; | |
7456 | record_tdep->size_sigaction = 32; | |
7457 | record_tdep->size_sigset_t = 8; | |
7458 | record_tdep->size_siginfo_t = 128; | |
7459 | record_tdep->size_cap_user_data_t = 12; | |
7460 | record_tdep->size_stack_t = 24; | |
7461 | record_tdep->size_off_t = 8; | |
7462 | /* stat64 unused */ | |
7463 | record_tdep->size_gid_t = 4; | |
7464 | record_tdep->size_uid_t = 4; | |
7465 | record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ | |
7466 | record_tdep->size_flock64 = 32; | |
7467 | record_tdep->size_io_event = 32; | |
7468 | record_tdep->size_iocb = 64; | |
7469 | record_tdep->size_epoll_event = 16; | |
7470 | record_tdep->size_itimerspec = 32; | |
7471 | record_tdep->size_mq_attr = 64; | |
7472 | record_tdep->size_termios = 36; | |
7473 | record_tdep->size_termios2 = 44; | |
7474 | record_tdep->size_pid_t = 4; | |
7475 | record_tdep->size_winsize = 8; | |
7476 | record_tdep->size_serial_struct = 72; | |
7477 | record_tdep->size_serial_icounter_struct = 80; | |
7478 | record_tdep->size_size_t = 8; | |
7479 | record_tdep->size_iovec = 16; | |
7480 | record_tdep->size_time_t = 8; | |
7481 | } | |
7482 | else if (abi == ABI_LINUX_S390) | |
7483 | { | |
7484 | record_tdep->size_pointer = 4; | |
7485 | record_tdep->size__old_kernel_stat = 32; | |
7486 | record_tdep->size_tms = 16; | |
7487 | record_tdep->size_loff_t = 8; | |
7488 | record_tdep->size_flock = 16; | |
7489 | record_tdep->size_ustat = 20; | |
7490 | record_tdep->size_old_sigaction = 16; | |
7491 | record_tdep->size_old_sigset_t = 4; | |
7492 | record_tdep->size_rlimit = 8; | |
7493 | record_tdep->size_rusage = 72; | |
7494 | record_tdep->size_timeval = 8; | |
7495 | record_tdep->size_timezone = 8; | |
7496 | record_tdep->size_old_gid_t = 2; | |
7497 | record_tdep->size_old_uid_t = 2; | |
7498 | record_tdep->size_fd_set = 128; | |
7499 | record_tdep->size_old_dirent = 268; | |
7500 | record_tdep->size_statfs = 64; | |
7501 | record_tdep->size_statfs64 = 88; | |
7502 | record_tdep->size_sockaddr = 16; | |
7503 | record_tdep->size_int = 4; | |
7504 | record_tdep->size_long = 4; | |
7505 | record_tdep->size_ulong = 4; | |
7506 | record_tdep->size_msghdr = 28; | |
7507 | record_tdep->size_itimerval = 16; | |
7508 | record_tdep->size_stat = 64; | |
7509 | /* old_utsname unused */ | |
7510 | record_tdep->size_sysinfo = 64; | |
7511 | record_tdep->size_msqid_ds = 88; | |
7512 | record_tdep->size_shmid_ds = 84; | |
7513 | record_tdep->size_new_utsname = 390; | |
7514 | record_tdep->size_timex = 128; | |
7515 | record_tdep->size_mem_dqinfo = 24; | |
7516 | record_tdep->size_if_dqblk = 72; | |
7517 | record_tdep->size_fs_quota_stat = 80; | |
7518 | record_tdep->size_timespec = 8; | |
7519 | record_tdep->size_pollfd = 8; | |
7520 | record_tdep->size_NFS_FHSIZE = 32; | |
7521 | record_tdep->size_knfsd_fh = 132; | |
7522 | record_tdep->size_TASK_COMM_LEN = 16; | |
7523 | record_tdep->size_sigaction = 20; | |
7524 | record_tdep->size_sigset_t = 8; | |
7525 | record_tdep->size_siginfo_t = 128; | |
7526 | record_tdep->size_cap_user_data_t = 12; | |
7527 | record_tdep->size_stack_t = 12; | |
7528 | record_tdep->size_off_t = 4; | |
7529 | record_tdep->size_stat64 = 104; | |
7530 | record_tdep->size_gid_t = 4; | |
7531 | record_tdep->size_uid_t = 4; | |
7532 | record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ | |
7533 | record_tdep->size_flock64 = 32; | |
7534 | record_tdep->size_io_event = 32; | |
7535 | record_tdep->size_iocb = 64; | |
7536 | record_tdep->size_epoll_event = 16; | |
7537 | record_tdep->size_itimerspec = 16; | |
7538 | record_tdep->size_mq_attr = 32; | |
7539 | record_tdep->size_termios = 36; | |
7540 | record_tdep->size_termios2 = 44; | |
7541 | record_tdep->size_pid_t = 4; | |
7542 | record_tdep->size_winsize = 8; | |
7543 | record_tdep->size_serial_struct = 60; | |
7544 | record_tdep->size_serial_icounter_struct = 80; | |
7545 | record_tdep->size_size_t = 4; | |
7546 | record_tdep->size_iovec = 8; | |
7547 | record_tdep->size_time_t = 4; | |
7548 | } | |
7549 | ||
7550 | /* These values are the second argument of system call "sys_fcntl" | |
7551 | and "sys_fcntl64". They are obtained from Linux Kernel source. */ | |
7552 | record_tdep->fcntl_F_GETLK = 5; | |
7553 | record_tdep->fcntl_F_GETLK64 = 12; | |
7554 | record_tdep->fcntl_F_SETLK64 = 13; | |
7555 | record_tdep->fcntl_F_SETLKW64 = 14; | |
7556 | ||
7557 | record_tdep->arg1 = S390_R2_REGNUM; | |
7558 | record_tdep->arg2 = S390_R3_REGNUM; | |
7559 | record_tdep->arg3 = S390_R4_REGNUM; | |
7560 | record_tdep->arg4 = S390_R5_REGNUM; | |
7561 | record_tdep->arg5 = S390_R6_REGNUM; | |
7562 | ||
7563 | /* These values are the second argument of system call "sys_ioctl". | |
7564 | They are obtained from Linux Kernel source. | |
7565 | See arch/s390/include/uapi/asm/ioctls.h. */ | |
7566 | ||
7567 | record_tdep->ioctl_TCGETS = 0x5401; | |
7568 | record_tdep->ioctl_TCSETS = 0x5402; | |
7569 | record_tdep->ioctl_TCSETSW = 0x5403; | |
7570 | record_tdep->ioctl_TCSETSF = 0x5404; | |
7571 | record_tdep->ioctl_TCGETA = 0x5405; | |
7572 | record_tdep->ioctl_TCSETA = 0x5406; | |
7573 | record_tdep->ioctl_TCSETAW = 0x5407; | |
7574 | record_tdep->ioctl_TCSETAF = 0x5408; | |
7575 | record_tdep->ioctl_TCSBRK = 0x5409; | |
7576 | record_tdep->ioctl_TCXONC = 0x540a; | |
7577 | record_tdep->ioctl_TCFLSH = 0x540b; | |
7578 | record_tdep->ioctl_TIOCEXCL = 0x540c; | |
7579 | record_tdep->ioctl_TIOCNXCL = 0x540d; | |
7580 | record_tdep->ioctl_TIOCSCTTY = 0x540e; | |
7581 | record_tdep->ioctl_TIOCGPGRP = 0x540f; | |
7582 | record_tdep->ioctl_TIOCSPGRP = 0x5410; | |
7583 | record_tdep->ioctl_TIOCOUTQ = 0x5411; | |
7584 | record_tdep->ioctl_TIOCSTI = 0x5412; | |
7585 | record_tdep->ioctl_TIOCGWINSZ = 0x5413; | |
7586 | record_tdep->ioctl_TIOCSWINSZ = 0x5414; | |
7587 | record_tdep->ioctl_TIOCMGET = 0x5415; | |
7588 | record_tdep->ioctl_TIOCMBIS = 0x5416; | |
7589 | record_tdep->ioctl_TIOCMBIC = 0x5417; | |
7590 | record_tdep->ioctl_TIOCMSET = 0x5418; | |
7591 | record_tdep->ioctl_TIOCGSOFTCAR = 0x5419; | |
7592 | record_tdep->ioctl_TIOCSSOFTCAR = 0x541a; | |
7593 | record_tdep->ioctl_FIONREAD = 0x541b; | |
7594 | record_tdep->ioctl_TIOCINQ = 0x541b; /* alias */ | |
7595 | record_tdep->ioctl_TIOCLINUX = 0x541c; | |
7596 | record_tdep->ioctl_TIOCCONS = 0x541d; | |
7597 | record_tdep->ioctl_TIOCGSERIAL = 0x541e; | |
7598 | record_tdep->ioctl_TIOCSSERIAL = 0x541f; | |
7599 | record_tdep->ioctl_TIOCPKT = 0x5420; | |
7600 | record_tdep->ioctl_FIONBIO = 0x5421; | |
7601 | record_tdep->ioctl_TIOCNOTTY = 0x5422; | |
7602 | record_tdep->ioctl_TIOCSETD = 0x5423; | |
7603 | record_tdep->ioctl_TIOCGETD = 0x5424; | |
7604 | record_tdep->ioctl_TCSBRKP = 0x5425; | |
7605 | record_tdep->ioctl_TIOCSBRK = 0x5427; | |
7606 | record_tdep->ioctl_TIOCCBRK = 0x5428; | |
7607 | record_tdep->ioctl_TIOCGSID = 0x5429; | |
7608 | record_tdep->ioctl_TCGETS2 = 0x802c542a; | |
7609 | record_tdep->ioctl_TCSETS2 = 0x402c542b; | |
7610 | record_tdep->ioctl_TCSETSW2 = 0x402c542c; | |
7611 | record_tdep->ioctl_TCSETSF2 = 0x402c542d; | |
7612 | record_tdep->ioctl_TIOCGPTN = 0x80045430; | |
7613 | record_tdep->ioctl_TIOCSPTLCK = 0x40045431; | |
7614 | record_tdep->ioctl_FIONCLEX = 0x5450; | |
7615 | record_tdep->ioctl_FIOCLEX = 0x5451; | |
7616 | record_tdep->ioctl_FIOASYNC = 0x5452; | |
7617 | record_tdep->ioctl_TIOCSERCONFIG = 0x5453; | |
7618 | record_tdep->ioctl_TIOCSERGWILD = 0x5454; | |
7619 | record_tdep->ioctl_TIOCSERSWILD = 0x5455; | |
7620 | record_tdep->ioctl_TIOCGLCKTRMIOS = 0x5456; | |
7621 | record_tdep->ioctl_TIOCSLCKTRMIOS = 0x5457; | |
7622 | record_tdep->ioctl_TIOCSERGSTRUCT = 0x5458; | |
7623 | record_tdep->ioctl_TIOCSERGETLSR = 0x5459; | |
7624 | record_tdep->ioctl_TIOCSERGETMULTI = 0x545a; | |
7625 | record_tdep->ioctl_TIOCSERSETMULTI = 0x545b; | |
7626 | record_tdep->ioctl_TIOCMIWAIT = 0x545c; | |
7627 | record_tdep->ioctl_TIOCGICOUNT = 0x545d; | |
7628 | record_tdep->ioctl_FIOQSIZE = 0x545e; | |
7629 | } | |
7630 | ||
a8c99f38 JB |
7631 | /* Set up gdbarch struct. */ |
7632 | ||
a78f21af | 7633 | static struct gdbarch * |
5769d3cd AC |
7634 | s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) |
7635 | { | |
7803799a UW |
7636 | const struct target_desc *tdesc = info.target_desc; |
7637 | struct tdesc_arch_data *tdesc_data = NULL; | |
5769d3cd AC |
7638 | struct gdbarch *gdbarch; |
7639 | struct gdbarch_tdep *tdep; | |
f486487f | 7640 | enum s390_abi_kind tdep_abi; |
417c80f9 | 7641 | enum s390_vector_abi_kind vector_abi; |
7803799a | 7642 | int have_upper = 0; |
c642a434 UW |
7643 | int have_linux_v1 = 0; |
7644 | int have_linux_v2 = 0; | |
5aa82d05 | 7645 | int have_tdb = 0; |
550bdf96 | 7646 | int have_vx = 0; |
7803799a | 7647 | int first_pseudo_reg, last_pseudo_reg; |
05c0465e SDJ |
7648 | static const char *const stap_register_prefixes[] = { "%", NULL }; |
7649 | static const char *const stap_register_indirection_prefixes[] = { "(", | |
7650 | NULL }; | |
7651 | static const char *const stap_register_indirection_suffixes[] = { ")", | |
7652 | NULL }; | |
7803799a UW |
7653 | |
7654 | /* Default ABI and register size. */ | |
7655 | switch (info.bfd_arch_info->mach) | |
7656 | { | |
7657 | case bfd_mach_s390_31: | |
7658 | tdep_abi = ABI_LINUX_S390; | |
7659 | break; | |
7660 | ||
7661 | case bfd_mach_s390_64: | |
7662 | tdep_abi = ABI_LINUX_ZSERIES; | |
7663 | break; | |
7664 | ||
7665 | default: | |
7666 | return NULL; | |
7667 | } | |
7668 | ||
7669 | /* Use default target description if none provided by the target. */ | |
7670 | if (!tdesc_has_registers (tdesc)) | |
7671 | { | |
7672 | if (tdep_abi == ABI_LINUX_S390) | |
7673 | tdesc = tdesc_s390_linux32; | |
7674 | else | |
7675 | tdesc = tdesc_s390x_linux64; | |
7676 | } | |
7677 | ||
7678 | /* Check any target description for validity. */ | |
7679 | if (tdesc_has_registers (tdesc)) | |
7680 | { | |
7681 | static const char *const gprs[] = { | |
7682 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
7683 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
7684 | }; | |
7685 | static const char *const fprs[] = { | |
7686 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", | |
7687 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15" | |
7688 | }; | |
7689 | static const char *const acrs[] = { | |
7690 | "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7", | |
7691 | "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15" | |
7692 | }; | |
7693 | static const char *const gprs_lower[] = { | |
7694 | "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l", | |
7695 | "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l" | |
7696 | }; | |
7697 | static const char *const gprs_upper[] = { | |
7698 | "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h", | |
7699 | "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h" | |
7700 | }; | |
4ac33720 UW |
7701 | static const char *const tdb_regs[] = { |
7702 | "tdb0", "tac", "tct", "atia", | |
7703 | "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7", | |
7704 | "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15" | |
7705 | }; | |
550bdf96 AA |
7706 | static const char *const vxrs_low[] = { |
7707 | "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l", | |
7708 | "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l", | |
7709 | }; | |
7710 | static const char *const vxrs_high[] = { | |
7711 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", | |
7712 | "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
7713 | }; | |
7803799a UW |
7714 | const struct tdesc_feature *feature; |
7715 | int i, valid_p = 1; | |
7716 | ||
7717 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core"); | |
7718 | if (feature == NULL) | |
7719 | return NULL; | |
7720 | ||
7721 | tdesc_data = tdesc_data_alloc (); | |
7722 | ||
7723 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7724 | S390_PSWM_REGNUM, "pswm"); | |
7725 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7726 | S390_PSWA_REGNUM, "pswa"); | |
7727 | ||
7728 | if (tdesc_unnumbered_register (feature, "r0")) | |
7729 | { | |
7730 | for (i = 0; i < 16; i++) | |
7731 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7732 | S390_R0_REGNUM + i, gprs[i]); | |
7733 | } | |
7734 | else | |
7735 | { | |
7736 | have_upper = 1; | |
7737 | ||
7738 | for (i = 0; i < 16; i++) | |
7739 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7740 | S390_R0_REGNUM + i, | |
7741 | gprs_lower[i]); | |
7742 | for (i = 0; i < 16; i++) | |
7743 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7744 | S390_R0_UPPER_REGNUM + i, | |
7745 | gprs_upper[i]); | |
7746 | } | |
7747 | ||
7748 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr"); | |
7749 | if (feature == NULL) | |
7750 | { | |
7751 | tdesc_data_cleanup (tdesc_data); | |
7752 | return NULL; | |
7753 | } | |
7754 | ||
7755 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7756 | S390_FPC_REGNUM, "fpc"); | |
7757 | for (i = 0; i < 16; i++) | |
7758 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7759 | S390_F0_REGNUM + i, fprs[i]); | |
5769d3cd | 7760 | |
7803799a UW |
7761 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr"); |
7762 | if (feature == NULL) | |
7763 | { | |
7764 | tdesc_data_cleanup (tdesc_data); | |
7765 | return NULL; | |
7766 | } | |
7767 | ||
7768 | for (i = 0; i < 16; i++) | |
7769 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7770 | S390_A0_REGNUM + i, acrs[i]); | |
7771 | ||
94eae614 | 7772 | /* Optional GNU/Linux-specific "registers". */ |
c642a434 UW |
7773 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux"); |
7774 | if (feature) | |
7775 | { | |
7776 | tdesc_numbered_register (feature, tdesc_data, | |
7777 | S390_ORIG_R2_REGNUM, "orig_r2"); | |
7778 | ||
7779 | if (tdesc_numbered_register (feature, tdesc_data, | |
7780 | S390_LAST_BREAK_REGNUM, "last_break")) | |
7781 | have_linux_v1 = 1; | |
7782 | ||
7783 | if (tdesc_numbered_register (feature, tdesc_data, | |
7784 | S390_SYSTEM_CALL_REGNUM, "system_call")) | |
7785 | have_linux_v2 = 1; | |
7786 | ||
7787 | if (have_linux_v2 > have_linux_v1) | |
7788 | valid_p = 0; | |
7789 | } | |
7790 | ||
4ac33720 UW |
7791 | /* Transaction diagnostic block. */ |
7792 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb"); | |
7793 | if (feature) | |
7794 | { | |
7795 | for (i = 0; i < ARRAY_SIZE (tdb_regs); i++) | |
7796 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7797 | S390_TDB_DWORD0_REGNUM + i, | |
7798 | tdb_regs[i]); | |
5aa82d05 | 7799 | have_tdb = 1; |
4ac33720 UW |
7800 | } |
7801 | ||
550bdf96 AA |
7802 | /* Vector registers. */ |
7803 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx"); | |
7804 | if (feature) | |
7805 | { | |
7806 | for (i = 0; i < 16; i++) | |
7807 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7808 | S390_V0_LOWER_REGNUM + i, | |
7809 | vxrs_low[i]); | |
7810 | for (i = 0; i < 16; i++) | |
7811 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7812 | S390_V16_REGNUM + i, | |
7813 | vxrs_high[i]); | |
7814 | have_vx = 1; | |
7815 | } | |
7816 | ||
7803799a UW |
7817 | if (!valid_p) |
7818 | { | |
7819 | tdesc_data_cleanup (tdesc_data); | |
7820 | return NULL; | |
7821 | } | |
7822 | } | |
5769d3cd | 7823 | |
417c80f9 AA |
7824 | /* Determine vector ABI. */ |
7825 | vector_abi = S390_VECTOR_ABI_NONE; | |
7826 | #ifdef HAVE_ELF | |
7827 | if (have_vx | |
7828 | && info.abfd != NULL | |
7829 | && info.abfd->format == bfd_object | |
7830 | && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour | |
7831 | && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU, | |
7832 | Tag_GNU_S390_ABI_Vector) == 2) | |
7833 | vector_abi = S390_VECTOR_ABI_128; | |
7834 | #endif | |
7835 | ||
7803799a UW |
7836 | /* Find a candidate among extant architectures. */ |
7837 | for (arches = gdbarch_list_lookup_by_info (arches, &info); | |
7838 | arches != NULL; | |
7839 | arches = gdbarch_list_lookup_by_info (arches->next, &info)) | |
7840 | { | |
7841 | tdep = gdbarch_tdep (arches->gdbarch); | |
7842 | if (!tdep) | |
7843 | continue; | |
7844 | if (tdep->abi != tdep_abi) | |
7845 | continue; | |
417c80f9 AA |
7846 | if (tdep->vector_abi != vector_abi) |
7847 | continue; | |
7803799a UW |
7848 | if ((tdep->gpr_full_regnum != -1) != have_upper) |
7849 | continue; | |
7850 | if (tdesc_data != NULL) | |
7851 | tdesc_data_cleanup (tdesc_data); | |
7852 | return arches->gdbarch; | |
7853 | } | |
5769d3cd | 7854 | |
7803799a | 7855 | /* Otherwise create a new gdbarch for the specified machine type. */ |
fc270c35 | 7856 | tdep = XCNEW (struct gdbarch_tdep); |
7803799a | 7857 | tdep->abi = tdep_abi; |
417c80f9 | 7858 | tdep->vector_abi = vector_abi; |
5aa82d05 AA |
7859 | tdep->have_linux_v1 = have_linux_v1; |
7860 | tdep->have_linux_v2 = have_linux_v2; | |
7861 | tdep->have_tdb = have_tdb; | |
d0f54f9d | 7862 | gdbarch = gdbarch_alloc (&info, tdep); |
5769d3cd AC |
7863 | |
7864 | set_gdbarch_believe_pcc_promotion (gdbarch, 0); | |
4e409299 | 7865 | set_gdbarch_char_signed (gdbarch, 0); |
5769d3cd | 7866 | |
1de90795 UW |
7867 | /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles. |
7868 | We can safely let them default to 128-bit, since the debug info | |
7869 | will give the size of type actually used in each case. */ | |
7870 | set_gdbarch_long_double_bit (gdbarch, 128); | |
7871 | set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad); | |
7872 | ||
aaab4dba | 7873 | /* Amount PC must be decremented by after a breakpoint. This is |
3b3b875c | 7874 | often the number of bytes returned by gdbarch_breakpoint_from_pc but not |
aaab4dba | 7875 | always. */ |
5769d3cd | 7876 | set_gdbarch_decr_pc_after_break (gdbarch, 2); |
5769d3cd AC |
7877 | /* Stack grows downward. */ |
7878 | set_gdbarch_inner_than (gdbarch, core_addr_lessthan); | |
5769d3cd | 7879 | set_gdbarch_breakpoint_from_pc (gdbarch, s390_breakpoint_from_pc); |
6df55226 MK |
7880 | set_gdbarch_software_single_step (gdbarch, s390_software_single_step); |
7881 | set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep); | |
5769d3cd | 7882 | set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue); |
c9cf6e20 | 7883 | set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p); |
a8c99f38 | 7884 | |
7803799a | 7885 | set_gdbarch_num_regs (gdbarch, S390_NUM_REGS); |
5769d3cd | 7886 | set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM); |
d0f54f9d | 7887 | set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM); |
d0f54f9d | 7888 | set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); |
d0f54f9d | 7889 | set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); |
9acbedc0 | 7890 | set_gdbarch_value_from_register (gdbarch, s390_value_from_register); |
7803799a | 7891 | set_gdbarch_core_read_description (gdbarch, s390_core_read_description); |
5aa82d05 AA |
7892 | set_gdbarch_iterate_over_regset_sections (gdbarch, |
7893 | s390_iterate_over_regset_sections); | |
c642a434 UW |
7894 | set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register); |
7895 | set_gdbarch_write_pc (gdbarch, s390_write_pc); | |
f79a3bae | 7896 | set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers); |
7803799a UW |
7897 | set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read); |
7898 | set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write); | |
7899 | set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name); | |
7900 | set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type); | |
7901 | set_tdesc_pseudo_register_reggroup_p (gdbarch, | |
34201ae3 | 7902 | s390_pseudo_register_reggroup_p); |
7803799a | 7903 | tdesc_use_registers (gdbarch, tdesc, tdesc_data); |
550bdf96 | 7904 | set_gdbarch_register_name (gdbarch, s390_register_name); |
7803799a UW |
7905 | |
7906 | /* Assign pseudo register numbers. */ | |
7907 | first_pseudo_reg = gdbarch_num_regs (gdbarch); | |
7908 | last_pseudo_reg = first_pseudo_reg; | |
7909 | tdep->gpr_full_regnum = -1; | |
7910 | if (have_upper) | |
7911 | { | |
7912 | tdep->gpr_full_regnum = last_pseudo_reg; | |
7913 | last_pseudo_reg += 16; | |
7914 | } | |
550bdf96 AA |
7915 | tdep->v0_full_regnum = -1; |
7916 | if (have_vx) | |
7917 | { | |
7918 | tdep->v0_full_regnum = last_pseudo_reg; | |
7919 | last_pseudo_reg += 16; | |
7920 | } | |
7803799a UW |
7921 | tdep->pc_regnum = last_pseudo_reg++; |
7922 | tdep->cc_regnum = last_pseudo_reg++; | |
7923 | set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum); | |
7924 | set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg); | |
5769d3cd | 7925 | |
b0cf273e JB |
7926 | /* Inferior function calls. */ |
7927 | set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call); | |
f089c433 | 7928 | set_gdbarch_dummy_id (gdbarch, s390_dummy_id); |
4074e13c | 7929 | set_gdbarch_frame_align (gdbarch, s390_frame_align); |
b0cf273e | 7930 | set_gdbarch_return_value (gdbarch, s390_return_value); |
5769d3cd | 7931 | |
237b092b AA |
7932 | /* Syscall handling. */ |
7933 | set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number); | |
7934 | ||
a8c99f38 | 7935 | /* Frame handling. */ |
a431654a | 7936 | dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg); |
7803799a | 7937 | dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum); |
f089c433 | 7938 | dwarf2_append_unwinders (gdbarch); |
a431654a | 7939 | frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); |
f089c433 UW |
7940 | frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind); |
7941 | frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind); | |
7942 | frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind); | |
a8c99f38 JB |
7943 | frame_base_set_default (gdbarch, &s390_frame_base); |
7944 | set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc); | |
7945 | set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp); | |
7946 | ||
1db4e8a0 UW |
7947 | /* Displaced stepping. */ |
7948 | set_gdbarch_displaced_step_copy_insn (gdbarch, | |
5ac21343 | 7949 | s390_displaced_step_copy_insn); |
1db4e8a0 UW |
7950 | set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup); |
7951 | set_gdbarch_displaced_step_free_closure (gdbarch, | |
34201ae3 | 7952 | simple_displaced_step_free_closure); |
906d60cf | 7953 | set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location); |
1db4e8a0 UW |
7954 | set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE); |
7955 | ||
70728992 PA |
7956 | /* Note that GNU/Linux is the only OS supported on this |
7957 | platform. */ | |
7958 | linux_init_abi (info, gdbarch); | |
7959 | ||
7803799a | 7960 | switch (tdep->abi) |
5769d3cd | 7961 | { |
7803799a | 7962 | case ABI_LINUX_S390: |
5769d3cd | 7963 | set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove); |
76a9d10f MK |
7964 | set_solib_svr4_fetch_link_map_offsets |
7965 | (gdbarch, svr4_ilp32_fetch_link_map_offsets); | |
c642a434 | 7966 | |
458c8db8 | 7967 | set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390); |
5769d3cd | 7968 | break; |
b0cf273e | 7969 | |
7803799a | 7970 | case ABI_LINUX_ZSERIES: |
5769d3cd AC |
7971 | set_gdbarch_long_bit (gdbarch, 64); |
7972 | set_gdbarch_long_long_bit (gdbarch, 64); | |
7973 | set_gdbarch_ptr_bit (gdbarch, 64); | |
76a9d10f MK |
7974 | set_solib_svr4_fetch_link_map_offsets |
7975 | (gdbarch, svr4_lp64_fetch_link_map_offsets); | |
ffc65945 | 7976 | set_gdbarch_address_class_type_flags (gdbarch, |
34201ae3 | 7977 | s390_address_class_type_flags); |
ffc65945 | 7978 | set_gdbarch_address_class_type_flags_to_name (gdbarch, |
34201ae3 | 7979 | s390_address_class_type_flags_to_name); |
ffc65945 | 7980 | set_gdbarch_address_class_name_to_type_flags (gdbarch, |
34201ae3 | 7981 | s390_address_class_name_to_type_flags); |
d851a69a | 7982 | set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X); |
5769d3cd AC |
7983 | break; |
7984 | } | |
7985 | ||
36482093 AC |
7986 | set_gdbarch_print_insn (gdbarch, print_insn_s390); |
7987 | ||
982e9687 UW |
7988 | set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); |
7989 | ||
b2756930 KB |
7990 | /* Enable TLS support. */ |
7991 | set_gdbarch_fetch_tls_load_module_address (gdbarch, | |
34201ae3 | 7992 | svr4_fetch_objfile_link_map); |
b2756930 | 7993 | |
55aa24fb | 7994 | /* SystemTap functions. */ |
05c0465e SDJ |
7995 | set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); |
7996 | set_gdbarch_stap_register_indirection_prefixes (gdbarch, | |
7997 | stap_register_indirection_prefixes); | |
7998 | set_gdbarch_stap_register_indirection_suffixes (gdbarch, | |
7999 | stap_register_indirection_suffixes); | |
55aa24fb | 8000 | set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand); |
60abeae4 AA |
8001 | set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options); |
8002 | set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp); | |
55aa24fb | 8003 | |
566c56c9 MK |
8004 | /* Support reverse debugging. */ |
8005 | ||
8006 | set_gdbarch_process_record (gdbarch, s390_process_record); | |
8007 | set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal); | |
8008 | ||
8009 | s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390); | |
8010 | s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES); | |
8011 | ||
5769d3cd AC |
8012 | return gdbarch; |
8013 | } | |
8014 | ||
8015 | ||
a78f21af AC |
8016 | extern initialize_file_ftype _initialize_s390_tdep; /* -Wmissing-prototypes */ |
8017 | ||
5769d3cd | 8018 | void |
5ae5f592 | 8019 | _initialize_s390_tdep (void) |
5769d3cd | 8020 | { |
5769d3cd AC |
8021 | /* Hook us into the gdbarch mechanism. */ |
8022 | register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init); | |
7803799a | 8023 | |
94eae614 | 8024 | /* Initialize the GNU/Linux target descriptions. */ |
7803799a | 8025 | initialize_tdesc_s390_linux32 (); |
c642a434 UW |
8026 | initialize_tdesc_s390_linux32v1 (); |
8027 | initialize_tdesc_s390_linux32v2 (); | |
7803799a | 8028 | initialize_tdesc_s390_linux64 (); |
c642a434 UW |
8029 | initialize_tdesc_s390_linux64v1 (); |
8030 | initialize_tdesc_s390_linux64v2 (); | |
4ac33720 | 8031 | initialize_tdesc_s390_te_linux64 (); |
550bdf96 AA |
8032 | initialize_tdesc_s390_vx_linux64 (); |
8033 | initialize_tdesc_s390_tevx_linux64 (); | |
7803799a | 8034 | initialize_tdesc_s390x_linux64 (); |
c642a434 UW |
8035 | initialize_tdesc_s390x_linux64v1 (); |
8036 | initialize_tdesc_s390x_linux64v2 (); | |
4ac33720 | 8037 | initialize_tdesc_s390x_te_linux64 (); |
550bdf96 AA |
8038 | initialize_tdesc_s390x_vx_linux64 (); |
8039 | initialize_tdesc_s390x_tevx_linux64 (); | |
5769d3cd | 8040 | } |