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d6e58945 PR |
1 | /* Target-dependent code for s390. |
2 | ||
42a4f53d | 3 | Copyright (C) 2001-2019 Free Software Foundation, Inc. |
d6e58945 PR |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | ||
22 | #include "arch-utils.h" | |
23 | #include "ax-gdb.h" | |
24 | #include "dwarf2-frame.h" | |
25 | #include "elf/s390.h" | |
26 | #include "elf-bfd.h" | |
27 | #include "frame-base.h" | |
28 | #include "frame-unwind.h" | |
29 | #include "gdbarch.h" | |
30 | #include "gdbcore.h" | |
31 | #include "infrun.h" | |
32 | #include "linux-tdep.h" | |
33 | #include "objfiles.h" | |
34 | #include "osabi.h" | |
35 | #include "record-full.h" | |
36 | #include "regcache.h" | |
37 | #include "reggroups.h" | |
38 | #include "s390-tdep.h" | |
39 | #include "target-descriptions.h" | |
40 | #include "trad-frame.h" | |
41 | #include "value.h" | |
42 | ||
c81e8879 PR |
43 | #include "features/s390-linux32.c" |
44 | #include "features/s390x-linux64.c" | |
45 | ||
d6e58945 PR |
46 | /* Holds the current set of options to be passed to the disassembler. */ |
47 | static char *s390_disassembler_options; | |
48 | ||
49 | /* Breakpoints. */ | |
50 | ||
51 | constexpr gdb_byte s390_break_insn[] = { 0x0, 0x1 }; | |
52 | ||
53 | typedef BP_MANIPULATION (s390_break_insn) s390_breakpoint; | |
54 | ||
55 | /* Decoding S/390 instructions. */ | |
56 | ||
57 | /* Read a single instruction from address AT. */ | |
58 | ||
59 | static int | |
60 | s390_readinstruction (bfd_byte instr[], CORE_ADDR at) | |
61 | { | |
62 | static int s390_instrlen[] = { 2, 4, 4, 6 }; | |
63 | int instrlen; | |
64 | ||
65 | if (target_read_memory (at, &instr[0], 2)) | |
66 | return -1; | |
67 | instrlen = s390_instrlen[instr[0] >> 6]; | |
68 | if (instrlen > 2) | |
69 | { | |
70 | if (target_read_memory (at + 2, &instr[2], instrlen - 2)) | |
71 | return -1; | |
72 | } | |
73 | return instrlen; | |
74 | } | |
75 | ||
76 | /* The functions below are for recognizing and decoding S/390 | |
77 | instructions of various formats. Each of them checks whether INSN | |
78 | is an instruction of the given format, with the specified opcodes. | |
79 | If it is, it sets the remaining arguments to the values of the | |
80 | instruction's fields, and returns a non-zero value; otherwise, it | |
81 | returns zero. | |
82 | ||
83 | These functions' arguments appear in the order they appear in the | |
84 | instruction, not in the machine-language form. So, opcodes always | |
85 | come first, even though they're sometimes scattered around the | |
86 | instructions. And displacements appear before base and extension | |
87 | registers, as they do in the assembly syntax, not at the end, as | |
88 | they do in the machine language. | |
89 | ||
90 | Test for RI instruction format. */ | |
91 | ||
92 | static int | |
93 | is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2) | |
94 | { | |
95 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
96 | { | |
97 | *r1 = (insn[1] >> 4) & 0xf; | |
98 | /* i2 is a 16-bit signed quantity. */ | |
99 | *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000; | |
100 | return 1; | |
101 | } | |
102 | else | |
103 | return 0; | |
104 | } | |
105 | ||
106 | /* Test for RIL instruction format. See comment on is_ri for details. */ | |
107 | ||
108 | static int | |
109 | is_ril (bfd_byte *insn, int op1, int op2, | |
110 | unsigned int *r1, int *i2) | |
111 | { | |
112 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
113 | { | |
114 | *r1 = (insn[1] >> 4) & 0xf; | |
115 | /* i2 is a signed quantity. If the host 'int' is 32 bits long, | |
116 | no sign extension is necessary, but we don't want to assume | |
117 | that. */ | |
118 | *i2 = (((insn[2] << 24) | |
119 | | (insn[3] << 16) | |
120 | | (insn[4] << 8) | |
121 | | (insn[5])) ^ 0x80000000) - 0x80000000; | |
122 | return 1; | |
123 | } | |
124 | else | |
125 | return 0; | |
126 | } | |
127 | ||
128 | /* Test for RR instruction format. See comment on is_ri for details. */ | |
129 | ||
130 | static int | |
131 | is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
132 | { | |
133 | if (insn[0] == op) | |
134 | { | |
135 | *r1 = (insn[1] >> 4) & 0xf; | |
136 | *r2 = insn[1] & 0xf; | |
137 | return 1; | |
138 | } | |
139 | else | |
140 | return 0; | |
141 | } | |
142 | ||
143 | /* Test for RRE instruction format. See comment on is_ri for details. */ | |
144 | ||
145 | static int | |
146 | is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
147 | { | |
148 | if (((insn[0] << 8) | insn[1]) == op) | |
149 | { | |
150 | /* Yes, insn[3]. insn[2] is unused in RRE format. */ | |
151 | *r1 = (insn[3] >> 4) & 0xf; | |
152 | *r2 = insn[3] & 0xf; | |
153 | return 1; | |
154 | } | |
155 | else | |
156 | return 0; | |
157 | } | |
158 | ||
159 | /* Test for RS instruction format. See comment on is_ri for details. */ | |
160 | ||
161 | static int | |
162 | is_rs (bfd_byte *insn, int op, | |
163 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) | |
164 | { | |
165 | if (insn[0] == op) | |
166 | { | |
167 | *r1 = (insn[1] >> 4) & 0xf; | |
168 | *r3 = insn[1] & 0xf; | |
169 | *b2 = (insn[2] >> 4) & 0xf; | |
170 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
171 | return 1; | |
172 | } | |
173 | else | |
174 | return 0; | |
175 | } | |
176 | ||
177 | /* Test for RSY instruction format. See comment on is_ri for details. */ | |
178 | ||
179 | static int | |
180 | is_rsy (bfd_byte *insn, int op1, int op2, | |
181 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) | |
182 | { | |
183 | if (insn[0] == op1 | |
184 | && insn[5] == op2) | |
185 | { | |
186 | *r1 = (insn[1] >> 4) & 0xf; | |
187 | *r3 = insn[1] & 0xf; | |
188 | *b2 = (insn[2] >> 4) & 0xf; | |
189 | /* The 'long displacement' is a 20-bit signed integer. */ | |
190 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) | |
191 | ^ 0x80000) - 0x80000; | |
192 | return 1; | |
193 | } | |
194 | else | |
195 | return 0; | |
196 | } | |
197 | ||
198 | /* Test for RX instruction format. See comment on is_ri for details. */ | |
199 | ||
200 | static int | |
201 | is_rx (bfd_byte *insn, int op, | |
202 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) | |
203 | { | |
204 | if (insn[0] == op) | |
205 | { | |
206 | *r1 = (insn[1] >> 4) & 0xf; | |
207 | *x2 = insn[1] & 0xf; | |
208 | *b2 = (insn[2] >> 4) & 0xf; | |
209 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
210 | return 1; | |
211 | } | |
212 | else | |
213 | return 0; | |
214 | } | |
215 | ||
216 | /* Test for RXY instruction format. See comment on is_ri for details. */ | |
217 | ||
218 | static int | |
219 | is_rxy (bfd_byte *insn, int op1, int op2, | |
220 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) | |
221 | { | |
222 | if (insn[0] == op1 | |
223 | && insn[5] == op2) | |
224 | { | |
225 | *r1 = (insn[1] >> 4) & 0xf; | |
226 | *x2 = insn[1] & 0xf; | |
227 | *b2 = (insn[2] >> 4) & 0xf; | |
228 | /* The 'long displacement' is a 20-bit signed integer. */ | |
229 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) | |
230 | ^ 0x80000) - 0x80000; | |
231 | return 1; | |
232 | } | |
233 | else | |
234 | return 0; | |
235 | } | |
236 | ||
237 | /* A helper for s390_software_single_step, decides if an instruction | |
238 | is a partial-execution instruction that needs to be executed until | |
239 | completion when in record mode. If it is, returns 1 and writes | |
240 | instruction length to a pointer. */ | |
241 | ||
242 | static int | |
243 | s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len) | |
244 | { | |
245 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
246 | uint16_t insn; | |
247 | ||
248 | insn = read_memory_integer (loc, 2, byte_order); | |
249 | ||
250 | switch (insn >> 8) | |
251 | { | |
252 | case 0xa8: /* MVCLE */ | |
253 | *len = 4; | |
254 | return 1; | |
255 | ||
256 | case 0xeb: | |
257 | { | |
258 | insn = read_memory_integer (loc + 4, 2, byte_order); | |
259 | if ((insn & 0xff) == 0x8e) | |
260 | { | |
261 | /* MVCLU */ | |
262 | *len = 6; | |
263 | return 1; | |
264 | } | |
265 | } | |
266 | break; | |
267 | } | |
268 | ||
269 | switch (insn) | |
270 | { | |
271 | case 0xb255: /* MVST */ | |
272 | case 0xb263: /* CMPSC */ | |
273 | case 0xb2a5: /* TRE */ | |
274 | case 0xb2a6: /* CU21 */ | |
275 | case 0xb2a7: /* CU12 */ | |
276 | case 0xb9b0: /* CU14 */ | |
277 | case 0xb9b1: /* CU24 */ | |
278 | case 0xb9b2: /* CU41 */ | |
279 | case 0xb9b3: /* CU42 */ | |
280 | case 0xb92a: /* KMF */ | |
281 | case 0xb92b: /* KMO */ | |
282 | case 0xb92f: /* KMC */ | |
283 | case 0xb92d: /* KMCTR */ | |
284 | case 0xb92e: /* KM */ | |
285 | case 0xb93c: /* PPNO */ | |
286 | case 0xb990: /* TRTT */ | |
287 | case 0xb991: /* TRTO */ | |
288 | case 0xb992: /* TROT */ | |
289 | case 0xb993: /* TROO */ | |
290 | *len = 4; | |
291 | return 1; | |
292 | } | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
297 | /* Implement the "software_single_step" gdbarch method, needed to single step | |
298 | through instructions like MVCLE in record mode, to make sure they are | |
299 | executed to completion. Without that, record will save the full length | |
300 | of destination buffer on every iteration, even though the CPU will only | |
301 | process about 4kiB of it each time, leading to O(n**2) memory and time | |
302 | complexity. */ | |
303 | ||
304 | static std::vector<CORE_ADDR> | |
305 | s390_software_single_step (struct regcache *regcache) | |
306 | { | |
307 | struct gdbarch *gdbarch = regcache->arch (); | |
308 | CORE_ADDR loc = regcache_read_pc (regcache); | |
309 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
310 | int len; | |
311 | uint16_t insn; | |
312 | ||
313 | /* Special handling only if recording. */ | |
314 | if (!record_full_is_used ()) | |
315 | return {}; | |
316 | ||
317 | /* First, match a partial instruction. */ | |
318 | if (!s390_is_partial_instruction (gdbarch, loc, &len)) | |
319 | return {}; | |
320 | ||
321 | loc += len; | |
322 | ||
323 | /* Second, look for a branch back to it. */ | |
324 | insn = read_memory_integer (loc, 2, byte_order); | |
325 | if (insn != 0xa714) /* BRC with mask 1 */ | |
326 | return {}; | |
327 | ||
328 | insn = read_memory_integer (loc + 2, 2, byte_order); | |
329 | if (insn != (uint16_t) -(len / 2)) | |
330 | return {}; | |
331 | ||
332 | loc += 4; | |
333 | ||
334 | /* Found it, step past the whole thing. */ | |
335 | return {loc}; | |
336 | } | |
337 | ||
338 | /* Displaced stepping. */ | |
339 | ||
340 | /* Return true if INSN is a non-branch RIL-b or RIL-c format | |
341 | instruction. */ | |
342 | ||
343 | static int | |
344 | is_non_branch_ril (gdb_byte *insn) | |
345 | { | |
346 | gdb_byte op1 = insn[0]; | |
347 | ||
348 | if (op1 == 0xc4) | |
349 | { | |
350 | gdb_byte op2 = insn[1] & 0x0f; | |
351 | ||
352 | switch (op2) | |
353 | { | |
354 | case 0x02: /* llhrl */ | |
355 | case 0x04: /* lghrl */ | |
356 | case 0x05: /* lhrl */ | |
357 | case 0x06: /* llghrl */ | |
358 | case 0x07: /* sthrl */ | |
359 | case 0x08: /* lgrl */ | |
360 | case 0x0b: /* stgrl */ | |
361 | case 0x0c: /* lgfrl */ | |
362 | case 0x0d: /* lrl */ | |
363 | case 0x0e: /* llgfrl */ | |
364 | case 0x0f: /* strl */ | |
365 | return 1; | |
366 | } | |
367 | } | |
368 | else if (op1 == 0xc6) | |
369 | { | |
370 | gdb_byte op2 = insn[1] & 0x0f; | |
371 | ||
372 | switch (op2) | |
373 | { | |
374 | case 0x00: /* exrl */ | |
375 | case 0x02: /* pfdrl */ | |
376 | case 0x04: /* cghrl */ | |
377 | case 0x05: /* chrl */ | |
378 | case 0x06: /* clghrl */ | |
379 | case 0x07: /* clhrl */ | |
380 | case 0x08: /* cgrl */ | |
381 | case 0x0a: /* clgrl */ | |
382 | case 0x0c: /* cgfrl */ | |
383 | case 0x0d: /* crl */ | |
384 | case 0x0e: /* clgfrl */ | |
385 | case 0x0f: /* clrl */ | |
386 | return 1; | |
387 | } | |
388 | } | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | typedef buf_displaced_step_closure s390_displaced_step_closure; | |
394 | ||
395 | /* Implementation of gdbarch_displaced_step_copy_insn. */ | |
396 | ||
397 | static struct displaced_step_closure * | |
398 | s390_displaced_step_copy_insn (struct gdbarch *gdbarch, | |
399 | CORE_ADDR from, CORE_ADDR to, | |
400 | struct regcache *regs) | |
401 | { | |
402 | size_t len = gdbarch_max_insn_length (gdbarch); | |
403 | std::unique_ptr<s390_displaced_step_closure> closure | |
404 | (new s390_displaced_step_closure (len)); | |
405 | gdb_byte *buf = closure->buf.data (); | |
406 | ||
407 | read_memory (from, buf, len); | |
408 | ||
409 | /* Adjust the displacement field of PC-relative RIL instructions, | |
410 | except branches. The latter are handled in the fixup hook. */ | |
411 | if (is_non_branch_ril (buf)) | |
412 | { | |
413 | LONGEST offset; | |
414 | ||
415 | offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG); | |
416 | offset = (from - to + offset * 2) / 2; | |
417 | ||
418 | /* If the instruction is too far from the jump pad, punt. This | |
419 | will usually happen with instructions in shared libraries. | |
420 | We could probably support these by rewriting them to be | |
421 | absolute or fully emulating them. */ | |
422 | if (offset < INT32_MIN || offset > INT32_MAX) | |
423 | { | |
424 | /* Let the core fall back to stepping over the breakpoint | |
425 | in-line. */ | |
426 | if (debug_displaced) | |
427 | { | |
428 | fprintf_unfiltered (gdb_stdlog, | |
429 | "displaced: can't displaced step " | |
430 | "RIL instruction: offset %s out of range\n", | |
431 | plongest (offset)); | |
432 | } | |
433 | ||
434 | return NULL; | |
435 | } | |
436 | ||
437 | store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset); | |
438 | } | |
439 | ||
440 | write_memory (to, buf, len); | |
441 | ||
442 | if (debug_displaced) | |
443 | { | |
444 | fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ", | |
445 | paddress (gdbarch, from), paddress (gdbarch, to)); | |
446 | displaced_step_dump_bytes (gdb_stdlog, buf, len); | |
447 | } | |
448 | ||
449 | return closure.release (); | |
450 | } | |
451 | ||
452 | /* Fix up the state of registers and memory after having single-stepped | |
453 | a displaced instruction. */ | |
454 | ||
455 | static void | |
456 | s390_displaced_step_fixup (struct gdbarch *gdbarch, | |
457 | struct displaced_step_closure *closure_, | |
458 | CORE_ADDR from, CORE_ADDR to, | |
459 | struct regcache *regs) | |
460 | { | |
461 | /* Our closure is a copy of the instruction. */ | |
462 | s390_displaced_step_closure *closure | |
463 | = (s390_displaced_step_closure *) closure_; | |
464 | gdb_byte *insn = closure->buf.data (); | |
465 | static int s390_instrlen[] = { 2, 4, 4, 6 }; | |
466 | int insnlen = s390_instrlen[insn[0] >> 6]; | |
467 | ||
468 | /* Fields for various kinds of instructions. */ | |
469 | unsigned int b2, r1, r2, x2, r3; | |
470 | int i2, d2; | |
471 | ||
472 | /* Get current PC and addressing mode bit. */ | |
473 | CORE_ADDR pc = regcache_read_pc (regs); | |
474 | ULONGEST amode = 0; | |
475 | ||
476 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
477 | { | |
478 | regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode); | |
479 | amode &= 0x80000000; | |
480 | } | |
481 | ||
482 | if (debug_displaced) | |
483 | fprintf_unfiltered (gdb_stdlog, | |
484 | "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n", | |
485 | paddress (gdbarch, from), paddress (gdbarch, to), | |
486 | paddress (gdbarch, pc), insnlen, (int) amode); | |
487 | ||
488 | /* Handle absolute branch and save instructions. */ | |
489 | if (is_rr (insn, op_basr, &r1, &r2) | |
490 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)) | |
491 | { | |
492 | /* Recompute saved return address in R1. */ | |
493 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
494 | amode | (from + insnlen)); | |
5c1eda30 AA |
495 | /* Update PC iff the instruction doesn't actually branch. */ |
496 | if (insn[0] == op_basr && r2 == 0) | |
497 | regcache_write_pc (regs, from + insnlen); | |
d6e58945 PR |
498 | } |
499 | ||
500 | /* Handle absolute branch instructions. */ | |
501 | else if (is_rr (insn, op_bcr, &r1, &r2) | |
502 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
503 | || is_rr (insn, op_bctr, &r1, &r2) | |
504 | || is_rre (insn, op_bctgr, &r1, &r2) | |
505 | || is_rx (insn, op_bct, &r1, &d2, &x2, &b2) | |
506 | || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2) | |
507 | || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2) | |
508 | || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2) | |
509 | || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2) | |
510 | || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2)) | |
511 | { | |
512 | /* Update PC iff branch was *not* taken. */ | |
513 | if (pc == to + insnlen) | |
514 | regcache_write_pc (regs, from + insnlen); | |
515 | } | |
516 | ||
517 | /* Handle PC-relative branch and save instructions. */ | |
518 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2) | |
519 | || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2)) | |
520 | { | |
521 | /* Update PC. */ | |
522 | regcache_write_pc (regs, pc - to + from); | |
523 | /* Recompute saved return address in R1. */ | |
524 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
525 | amode | (from + insnlen)); | |
526 | } | |
527 | ||
528 | /* Handle LOAD ADDRESS RELATIVE LONG. */ | |
529 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) | |
530 | { | |
531 | /* Update PC. */ | |
532 | regcache_write_pc (regs, from + insnlen); | |
533 | /* Recompute output address in R1. */ | |
534 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
535 | amode | (from + i2 * 2)); | |
536 | } | |
537 | ||
538 | /* If we executed a breakpoint instruction, point PC right back at it. */ | |
539 | else if (insn[0] == 0x0 && insn[1] == 0x1) | |
540 | regcache_write_pc (regs, from); | |
541 | ||
542 | /* For any other insn, adjust PC by negated displacement. PC then | |
543 | points right after the original instruction, except for PC-relative | |
544 | branches, where it points to the adjusted branch target. */ | |
545 | else | |
546 | regcache_write_pc (regs, pc - to + from); | |
547 | ||
548 | if (debug_displaced) | |
549 | fprintf_unfiltered (gdb_stdlog, | |
550 | "displaced: (s390) pc is now %s\n", | |
551 | paddress (gdbarch, regcache_read_pc (regs))); | |
552 | } | |
553 | ||
554 | /* Implement displaced_step_hw_singlestep gdbarch method. */ | |
555 | ||
556 | static int | |
557 | s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch, | |
558 | struct displaced_step_closure *closure) | |
559 | { | |
560 | return 1; | |
561 | } | |
562 | ||
563 | /* Prologue analysis. */ | |
564 | ||
565 | struct s390_prologue_data { | |
566 | ||
567 | /* The stack. */ | |
568 | struct pv_area *stack; | |
569 | ||
570 | /* The size and byte-order of a GPR or FPR. */ | |
571 | int gpr_size; | |
572 | int fpr_size; | |
573 | enum bfd_endian byte_order; | |
574 | ||
575 | /* The general-purpose registers. */ | |
576 | pv_t gpr[S390_NUM_GPRS]; | |
577 | ||
578 | /* The floating-point registers. */ | |
579 | pv_t fpr[S390_NUM_FPRS]; | |
580 | ||
581 | /* The offset relative to the CFA where the incoming GPR N was saved | |
582 | by the function prologue. 0 if not saved or unknown. */ | |
583 | int gpr_slot[S390_NUM_GPRS]; | |
584 | ||
585 | /* Likewise for FPRs. */ | |
586 | int fpr_slot[S390_NUM_FPRS]; | |
587 | ||
588 | /* Nonzero if the backchain was saved. This is assumed to be the | |
589 | case when the incoming SP is saved at the current SP location. */ | |
590 | int back_chain_saved_p; | |
591 | }; | |
592 | ||
593 | /* Return the effective address for an X-style instruction, like: | |
594 | ||
595 | L R1, D2(X2, B2) | |
596 | ||
597 | Here, X2 and B2 are registers, and D2 is a signed 20-bit | |
598 | constant; the effective address is the sum of all three. If either | |
599 | X2 or B2 are zero, then it doesn't contribute to the sum --- this | |
600 | means that r0 can't be used as either X2 or B2. */ | |
601 | ||
602 | static pv_t | |
603 | s390_addr (struct s390_prologue_data *data, | |
604 | int d2, unsigned int x2, unsigned int b2) | |
605 | { | |
606 | pv_t result; | |
607 | ||
608 | result = pv_constant (d2); | |
609 | if (x2) | |
610 | result = pv_add (result, data->gpr[x2]); | |
611 | if (b2) | |
612 | result = pv_add (result, data->gpr[b2]); | |
613 | ||
614 | return result; | |
615 | } | |
616 | ||
617 | /* Do a SIZE-byte store of VALUE to D2(X2,B2). */ | |
618 | ||
619 | static void | |
620 | s390_store (struct s390_prologue_data *data, | |
621 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size, | |
622 | pv_t value) | |
623 | { | |
624 | pv_t addr = s390_addr (data, d2, x2, b2); | |
625 | pv_t offset; | |
626 | ||
627 | /* Check whether we are storing the backchain. */ | |
628 | offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr); | |
629 | ||
630 | if (pv_is_constant (offset) && offset.k == 0) | |
631 | if (size == data->gpr_size | |
632 | && pv_is_register_k (value, S390_SP_REGNUM, 0)) | |
633 | { | |
634 | data->back_chain_saved_p = 1; | |
635 | return; | |
636 | } | |
637 | ||
638 | /* Check whether we are storing a register into the stack. */ | |
639 | if (!data->stack->store_would_trash (addr)) | |
640 | data->stack->store (addr, size, value); | |
641 | ||
642 | /* Note: If this is some store we cannot identify, you might think we | |
643 | should forget our cached values, as any of those might have been hit. | |
644 | ||
645 | However, we make the assumption that the register save areas are only | |
646 | ever stored to once in any given function, and we do recognize these | |
647 | stores. Thus every store we cannot recognize does not hit our data. */ | |
648 | } | |
649 | ||
650 | /* Do a SIZE-byte load from D2(X2,B2). */ | |
651 | ||
652 | static pv_t | |
653 | s390_load (struct s390_prologue_data *data, | |
654 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size) | |
655 | ||
656 | { | |
657 | pv_t addr = s390_addr (data, d2, x2, b2); | |
658 | ||
659 | /* If it's a load from an in-line constant pool, then we can | |
660 | simulate that, under the assumption that the code isn't | |
661 | going to change between the time the processor actually | |
662 | executed it creating the current frame, and the time when | |
663 | we're analyzing the code to unwind past that frame. */ | |
664 | if (pv_is_constant (addr)) | |
665 | { | |
666 | struct target_section *secp; | |
8b88a78e | 667 | secp = target_section_by_addr (current_top_target (), addr.k); |
d6e58945 PR |
668 | if (secp != NULL |
669 | && (bfd_get_section_flags (secp->the_bfd_section->owner, | |
670 | secp->the_bfd_section) | |
671 | & SEC_READONLY)) | |
672 | return pv_constant (read_memory_integer (addr.k, size, | |
673 | data->byte_order)); | |
674 | } | |
675 | ||
676 | /* Check whether we are accessing one of our save slots. */ | |
677 | return data->stack->fetch (addr, size); | |
678 | } | |
679 | ||
680 | /* Function for finding saved registers in a 'struct pv_area'; we pass | |
681 | this to pv_area::scan. | |
682 | ||
683 | If VALUE is a saved register, ADDR says it was saved at a constant | |
684 | offset from the frame base, and SIZE indicates that the whole | |
685 | register was saved, record its offset in the reg_offset table in | |
686 | PROLOGUE_UNTYPED. */ | |
687 | ||
688 | static void | |
689 | s390_check_for_saved (void *data_untyped, pv_t addr, | |
690 | CORE_ADDR size, pv_t value) | |
691 | { | |
692 | struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped; | |
693 | int i, offset; | |
694 | ||
695 | if (!pv_is_register (addr, S390_SP_REGNUM)) | |
696 | return; | |
697 | ||
698 | offset = 16 * data->gpr_size + 32 - addr.k; | |
699 | ||
700 | /* If we are storing the original value of a register, we want to | |
701 | record the CFA offset. If the same register is stored multiple | |
702 | times, the stack slot with the highest address counts. */ | |
703 | ||
704 | for (i = 0; i < S390_NUM_GPRS; i++) | |
705 | if (size == data->gpr_size | |
706 | && pv_is_register_k (value, S390_R0_REGNUM + i, 0)) | |
707 | if (data->gpr_slot[i] == 0 | |
708 | || data->gpr_slot[i] > offset) | |
709 | { | |
710 | data->gpr_slot[i] = offset; | |
711 | return; | |
712 | } | |
713 | ||
714 | for (i = 0; i < S390_NUM_FPRS; i++) | |
715 | if (size == data->fpr_size | |
716 | && pv_is_register_k (value, S390_F0_REGNUM + i, 0)) | |
717 | if (data->fpr_slot[i] == 0 | |
718 | || data->fpr_slot[i] > offset) | |
719 | { | |
720 | data->fpr_slot[i] = offset; | |
721 | return; | |
722 | } | |
723 | } | |
724 | ||
725 | /* Analyze the prologue of the function starting at START_PC, continuing at | |
726 | most until CURRENT_PC. Initialize DATA to hold all information we find | |
727 | out about the state of the registers and stack slots. Return the address | |
728 | of the instruction after the last one that changed the SP, FP, or back | |
729 | chain; or zero on error. */ | |
730 | ||
731 | static CORE_ADDR | |
732 | s390_analyze_prologue (struct gdbarch *gdbarch, | |
733 | CORE_ADDR start_pc, | |
734 | CORE_ADDR current_pc, | |
735 | struct s390_prologue_data *data) | |
736 | { | |
737 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
738 | ||
739 | /* Our return value: | |
740 | The address of the instruction after the last one that changed | |
741 | the SP, FP, or back chain; zero if we got an error trying to | |
742 | read memory. */ | |
743 | CORE_ADDR result = start_pc; | |
744 | ||
745 | /* The current PC for our abstract interpretation. */ | |
746 | CORE_ADDR pc; | |
747 | ||
748 | /* The address of the next instruction after that. */ | |
749 | CORE_ADDR next_pc; | |
750 | ||
751 | pv_area stack (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch)); | |
752 | scoped_restore restore_stack = make_scoped_restore (&data->stack, &stack); | |
753 | ||
754 | /* Set up everything's initial value. */ | |
755 | { | |
756 | int i; | |
757 | ||
758 | /* For the purpose of prologue tracking, we consider the GPR size to | |
759 | be equal to the ABI word size, even if it is actually larger | |
760 | (i.e. when running a 32-bit binary under a 64-bit kernel). */ | |
761 | data->gpr_size = word_size; | |
762 | data->fpr_size = 8; | |
763 | data->byte_order = gdbarch_byte_order (gdbarch); | |
764 | ||
765 | for (i = 0; i < S390_NUM_GPRS; i++) | |
766 | data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0); | |
767 | ||
768 | for (i = 0; i < S390_NUM_FPRS; i++) | |
769 | data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0); | |
770 | ||
771 | for (i = 0; i < S390_NUM_GPRS; i++) | |
772 | data->gpr_slot[i] = 0; | |
773 | ||
774 | for (i = 0; i < S390_NUM_FPRS; i++) | |
775 | data->fpr_slot[i] = 0; | |
776 | ||
777 | data->back_chain_saved_p = 0; | |
778 | } | |
779 | ||
780 | /* Start interpreting instructions, until we hit the frame's | |
781 | current PC or the first branch instruction. */ | |
782 | for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc) | |
783 | { | |
784 | bfd_byte insn[S390_MAX_INSTR_SIZE]; | |
785 | int insn_len = s390_readinstruction (insn, pc); | |
786 | ||
787 | bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 }; | |
788 | bfd_byte *insn32 = word_size == 4 ? insn : dummy; | |
789 | bfd_byte *insn64 = word_size == 8 ? insn : dummy; | |
790 | ||
791 | /* Fields for various kinds of instructions. */ | |
792 | unsigned int b2, r1, r2, x2, r3; | |
793 | int i2, d2; | |
794 | ||
795 | /* The values of SP and FP before this instruction, | |
796 | for detecting instructions that change them. */ | |
797 | pv_t pre_insn_sp, pre_insn_fp; | |
798 | /* Likewise for the flag whether the back chain was saved. */ | |
799 | int pre_insn_back_chain_saved_p; | |
800 | ||
801 | /* If we got an error trying to read the instruction, report it. */ | |
802 | if (insn_len < 0) | |
803 | { | |
804 | result = 0; | |
805 | break; | |
806 | } | |
807 | ||
808 | next_pc = pc + insn_len; | |
809 | ||
810 | pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; | |
811 | pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
812 | pre_insn_back_chain_saved_p = data->back_chain_saved_p; | |
813 | ||
814 | /* LHI r1, i2 --- load halfword immediate. */ | |
815 | /* LGHI r1, i2 --- load halfword immediate (64-bit version). */ | |
816 | /* LGFI r1, i2 --- load fullword immediate. */ | |
817 | if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2) | |
818 | || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2) | |
819 | || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2)) | |
820 | data->gpr[r1] = pv_constant (i2); | |
821 | ||
822 | /* LR r1, r2 --- load from register. */ | |
823 | /* LGR r1, r2 --- load from register (64-bit version). */ | |
824 | else if (is_rr (insn32, op_lr, &r1, &r2) | |
825 | || is_rre (insn64, op_lgr, &r1, &r2)) | |
826 | data->gpr[r1] = data->gpr[r2]; | |
827 | ||
828 | /* L r1, d2(x2, b2) --- load. */ | |
829 | /* LY r1, d2(x2, b2) --- load (long-displacement version). */ | |
830 | /* LG r1, d2(x2, b2) --- load (64-bit version). */ | |
831 | else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2) | |
832 | || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2) | |
833 | || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2)) | |
834 | data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size); | |
835 | ||
836 | /* ST r1, d2(x2, b2) --- store. */ | |
837 | /* STY r1, d2(x2, b2) --- store (long-displacement version). */ | |
838 | /* STG r1, d2(x2, b2) --- store (64-bit version). */ | |
839 | else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2) | |
840 | || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2) | |
841 | || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2)) | |
842 | s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]); | |
843 | ||
844 | /* STD r1, d2(x2,b2) --- store floating-point register. */ | |
845 | else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2)) | |
846 | s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]); | |
847 | ||
848 | /* STM r1, r3, d2(b2) --- store multiple. */ | |
849 | /* STMY r1, r3, d2(b2) --- store multiple (long-displacement | |
850 | version). */ | |
851 | /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */ | |
852 | else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2) | |
853 | || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2) | |
854 | || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2)) | |
855 | { | |
856 | for (; r1 <= r3; r1++, d2 += data->gpr_size) | |
857 | s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]); | |
858 | } | |
859 | ||
860 | /* AHI r1, i2 --- add halfword immediate. */ | |
861 | /* AGHI r1, i2 --- add halfword immediate (64-bit version). */ | |
862 | /* AFI r1, i2 --- add fullword immediate. */ | |
863 | /* AGFI r1, i2 --- add fullword immediate (64-bit version). */ | |
864 | else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2) | |
865 | || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2) | |
866 | || is_ril (insn32, op1_afi, op2_afi, &r1, &i2) | |
867 | || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2)) | |
868 | data->gpr[r1] = pv_add_constant (data->gpr[r1], i2); | |
869 | ||
870 | /* ALFI r1, i2 --- add logical immediate. */ | |
871 | /* ALGFI r1, i2 --- add logical immediate (64-bit version). */ | |
872 | else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2) | |
873 | || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2)) | |
874 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
875 | (CORE_ADDR)i2 & 0xffffffff); | |
876 | ||
877 | /* AR r1, r2 -- add register. */ | |
878 | /* AGR r1, r2 -- add register (64-bit version). */ | |
879 | else if (is_rr (insn32, op_ar, &r1, &r2) | |
880 | || is_rre (insn64, op_agr, &r1, &r2)) | |
881 | data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]); | |
882 | ||
883 | /* A r1, d2(x2, b2) -- add. */ | |
884 | /* AY r1, d2(x2, b2) -- add (long-displacement version). */ | |
885 | /* AG r1, d2(x2, b2) -- add (64-bit version). */ | |
886 | else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2) | |
887 | || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2) | |
888 | || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2)) | |
889 | data->gpr[r1] = pv_add (data->gpr[r1], | |
890 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
891 | ||
892 | /* SLFI r1, i2 --- subtract logical immediate. */ | |
893 | /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */ | |
894 | else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2) | |
895 | || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2)) | |
896 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
897 | -((CORE_ADDR)i2 & 0xffffffff)); | |
898 | ||
899 | /* SR r1, r2 -- subtract register. */ | |
900 | /* SGR r1, r2 -- subtract register (64-bit version). */ | |
901 | else if (is_rr (insn32, op_sr, &r1, &r2) | |
902 | || is_rre (insn64, op_sgr, &r1, &r2)) | |
903 | data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]); | |
904 | ||
905 | /* S r1, d2(x2, b2) -- subtract. */ | |
906 | /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */ | |
907 | /* SG r1, d2(x2, b2) -- subtract (64-bit version). */ | |
908 | else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2) | |
909 | || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2) | |
910 | || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2)) | |
911 | data->gpr[r1] = pv_subtract (data->gpr[r1], | |
912 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
913 | ||
914 | /* LA r1, d2(x2, b2) --- load address. */ | |
915 | /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */ | |
916 | else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2) | |
917 | || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2)) | |
918 | data->gpr[r1] = s390_addr (data, d2, x2, b2); | |
919 | ||
920 | /* LARL r1, i2 --- load address relative long. */ | |
921 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) | |
922 | data->gpr[r1] = pv_constant (pc + i2 * 2); | |
923 | ||
924 | /* BASR r1, 0 --- branch and save. | |
925 | Since r2 is zero, this saves the PC in r1, but doesn't branch. */ | |
926 | else if (is_rr (insn, op_basr, &r1, &r2) | |
927 | && r2 == 0) | |
928 | data->gpr[r1] = pv_constant (next_pc); | |
929 | ||
930 | /* BRAS r1, i2 --- branch relative and save. */ | |
931 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)) | |
932 | { | |
933 | data->gpr[r1] = pv_constant (next_pc); | |
934 | next_pc = pc + i2 * 2; | |
935 | ||
936 | /* We'd better not interpret any backward branches. We'll | |
937 | never terminate. */ | |
938 | if (next_pc <= pc) | |
939 | break; | |
940 | } | |
941 | ||
942 | /* BRC/BRCL -- branch relative on condition. Ignore "branch | |
943 | never", branch to following instruction, and "conditional | |
944 | trap" (BRC +2). Otherwise terminate search. */ | |
945 | else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2)) | |
946 | { | |
947 | if (r1 != 0 && i2 != 1 && i2 != 2) | |
948 | break; | |
949 | } | |
950 | else if (is_ril (insn, op1_brcl, op2_brcl, &r1, &i2)) | |
951 | { | |
952 | if (r1 != 0 && i2 != 3) | |
953 | break; | |
954 | } | |
955 | ||
956 | /* Terminate search when hitting any other branch instruction. */ | |
957 | else if (is_rr (insn, op_basr, &r1, &r2) | |
958 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2) | |
959 | || is_rr (insn, op_bcr, &r1, &r2) | |
960 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
961 | || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2)) | |
962 | break; | |
963 | ||
964 | else | |
965 | { | |
966 | /* An instruction we don't know how to simulate. The only | |
967 | safe thing to do would be to set every value we're tracking | |
968 | to 'unknown'. Instead, we'll be optimistic: we assume that | |
969 | we *can* interpret every instruction that the compiler uses | |
970 | to manipulate any of the data we're interested in here -- | |
971 | then we can just ignore anything else. */ | |
972 | } | |
973 | ||
974 | /* Record the address after the last instruction that changed | |
975 | the FP, SP, or backlink. Ignore instructions that changed | |
976 | them back to their original values --- those are probably | |
977 | restore instructions. (The back chain is never restored, | |
978 | just popped.) */ | |
979 | { | |
980 | pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; | |
981 | pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
982 | ||
983 | if ((! pv_is_identical (pre_insn_sp, sp) | |
984 | && ! pv_is_register_k (sp, S390_SP_REGNUM, 0) | |
985 | && sp.kind != pvk_unknown) | |
986 | || (! pv_is_identical (pre_insn_fp, fp) | |
987 | && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0) | |
988 | && fp.kind != pvk_unknown) | |
989 | || pre_insn_back_chain_saved_p != data->back_chain_saved_p) | |
990 | result = next_pc; | |
991 | } | |
992 | } | |
993 | ||
994 | /* Record where all the registers were saved. */ | |
995 | data->stack->scan (s390_check_for_saved, data); | |
996 | ||
997 | return result; | |
998 | } | |
999 | ||
1000 | /* Advance PC across any function entry prologue instructions to reach | |
1001 | some "real" code. */ | |
1002 | ||
1003 | static CORE_ADDR | |
1004 | s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc) | |
1005 | { | |
1006 | struct s390_prologue_data data; | |
1007 | CORE_ADDR skip_pc, func_addr; | |
1008 | ||
1009 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL)) | |
1010 | { | |
1011 | CORE_ADDR post_prologue_pc | |
1012 | = skip_prologue_using_sal (gdbarch, func_addr); | |
1013 | if (post_prologue_pc != 0) | |
1014 | return std::max (pc, post_prologue_pc); | |
1015 | } | |
1016 | ||
1017 | skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data); | |
1018 | return skip_pc ? skip_pc : pc; | |
1019 | } | |
1020 | ||
1021 | /* Register handling. */ | |
1022 | ||
1023 | /* ABI call-saved register information. */ | |
1024 | ||
1025 | static int | |
1026 | s390_register_call_saved (struct gdbarch *gdbarch, int regnum) | |
1027 | { | |
1028 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1029 | ||
1030 | switch (tdep->abi) | |
1031 | { | |
1032 | case ABI_LINUX_S390: | |
1033 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
1034 | || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM | |
1035 | || regnum == S390_A0_REGNUM) | |
1036 | return 1; | |
1037 | ||
1038 | break; | |
1039 | ||
1040 | case ABI_LINUX_ZSERIES: | |
1041 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
1042 | || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM) | |
1043 | || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM)) | |
1044 | return 1; | |
1045 | ||
1046 | break; | |
1047 | } | |
1048 | ||
1049 | return 0; | |
1050 | } | |
1051 | ||
1052 | /* The "guess_tracepoint_registers" gdbarch method. */ | |
1053 | ||
1054 | static void | |
1055 | s390_guess_tracepoint_registers (struct gdbarch *gdbarch, | |
1056 | struct regcache *regcache, | |
1057 | CORE_ADDR addr) | |
1058 | { | |
1059 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1060 | int sz = register_size (gdbarch, S390_PSWA_REGNUM); | |
1061 | gdb_byte *reg = (gdb_byte *) alloca (sz); | |
1062 | ULONGEST pswm, pswa; | |
1063 | ||
1064 | /* Set PSWA from the location and a default PSWM (the only part we're | |
1065 | unlikely to get right is the CC). */ | |
1066 | if (tdep->abi == ABI_LINUX_S390) | |
1067 | { | |
1068 | /* 31-bit PSWA needs high bit set (it's very unlikely the target | |
1069 | was in 24-bit mode). */ | |
1070 | pswa = addr | 0x80000000UL; | |
1071 | pswm = 0x070d0000UL; | |
1072 | } | |
1073 | else | |
1074 | { | |
1075 | pswa = addr; | |
1076 | pswm = 0x0705000180000000ULL; | |
1077 | } | |
1078 | ||
1079 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa); | |
73e1c03f | 1080 | regcache->raw_supply (S390_PSWA_REGNUM, reg); |
d6e58945 PR |
1081 | |
1082 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm); | |
73e1c03f | 1083 | regcache->raw_supply (S390_PSWM_REGNUM, reg); |
d6e58945 PR |
1084 | } |
1085 | ||
1086 | /* Return the name of register REGNO. Return the empty string for | |
1087 | registers that shouldn't be visible. */ | |
1088 | ||
1089 | static const char * | |
1090 | s390_register_name (struct gdbarch *gdbarch, int regnum) | |
1091 | { | |
1092 | if (regnum >= S390_V0_LOWER_REGNUM | |
1093 | && regnum <= S390_V15_LOWER_REGNUM) | |
1094 | return ""; | |
1095 | return tdesc_register_name (gdbarch, regnum); | |
1096 | } | |
1097 | ||
1098 | /* DWARF Register Mapping. */ | |
1099 | ||
1100 | static const short s390_dwarf_regmap[] = | |
1101 | { | |
1102 | /* 0-15: General Purpose Registers. */ | |
1103 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, | |
1104 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
1105 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
1106 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
1107 | ||
1108 | /* 16-31: Floating Point Registers / Vector Registers 0-15. */ | |
1109 | S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM, | |
1110 | S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM, | |
1111 | S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM, | |
1112 | S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM, | |
1113 | ||
1114 | /* 32-47: Control Registers (not mapped). */ | |
1115 | -1, -1, -1, -1, -1, -1, -1, -1, | |
1116 | -1, -1, -1, -1, -1, -1, -1, -1, | |
1117 | ||
1118 | /* 48-63: Access Registers. */ | |
1119 | S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM, | |
1120 | S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM, | |
1121 | S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM, | |
1122 | S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM, | |
1123 | ||
1124 | /* 64-65: Program Status Word. */ | |
1125 | S390_PSWM_REGNUM, | |
1126 | S390_PSWA_REGNUM, | |
1127 | ||
1128 | /* 66-67: Reserved. */ | |
1129 | -1, -1, | |
1130 | ||
1131 | /* 68-83: Vector Registers 16-31. */ | |
1132 | S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM, | |
1133 | S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM, | |
1134 | S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM, | |
1135 | S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM, | |
1136 | ||
1137 | /* End of "official" DWARF registers. The remainder of the map is | |
1138 | for GDB internal use only. */ | |
1139 | ||
1140 | /* GPR Lower Half Access. */ | |
1141 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, | |
1142 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
1143 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
1144 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
1145 | }; | |
1146 | ||
1147 | enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 }; | |
1148 | ||
1149 | /* Convert DWARF register number REG to the appropriate register | |
1150 | number used by GDB. */ | |
1151 | ||
1152 | static int | |
1153 | s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg) | |
1154 | { | |
1155 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1156 | int gdb_reg = -1; | |
1157 | ||
1158 | /* In a 32-on-64 debug scenario, debug info refers to the full | |
1159 | 64-bit GPRs. Note that call frame information still refers to | |
1160 | the 32-bit lower halves, because s390_adjust_frame_regnum uses | |
1161 | special register numbers to access GPRs. */ | |
1162 | if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16) | |
1163 | return tdep->gpr_full_regnum + reg; | |
1164 | ||
1165 | if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap)) | |
1166 | gdb_reg = s390_dwarf_regmap[reg]; | |
1167 | ||
1168 | if (tdep->v0_full_regnum == -1) | |
1169 | { | |
1170 | if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM) | |
1171 | gdb_reg = -1; | |
1172 | } | |
1173 | else | |
1174 | { | |
1175 | if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM) | |
1176 | gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum; | |
1177 | } | |
1178 | ||
1179 | return gdb_reg; | |
1180 | } | |
1181 | ||
1182 | /* Pseudo registers. */ | |
1183 | ||
1184 | /* Check whether REGNUM indicates a coupled general purpose register. | |
1185 | These pseudo-registers are composed of two adjacent gprs. */ | |
1186 | ||
1187 | static int | |
1188 | regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum) | |
1189 | { | |
1190 | return (tdep->gpr_full_regnum != -1 | |
1191 | && regnum >= tdep->gpr_full_regnum | |
1192 | && regnum <= tdep->gpr_full_regnum + 15); | |
1193 | } | |
1194 | ||
1195 | /* Check whether REGNUM indicates a full vector register (v0-v15). | |
1196 | These pseudo-registers are composed of f0-f15 and v0l-v15l. */ | |
1197 | ||
1198 | static int | |
1199 | regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum) | |
1200 | { | |
1201 | return (tdep->v0_full_regnum != -1 | |
1202 | && regnum >= tdep->v0_full_regnum | |
1203 | && regnum <= tdep->v0_full_regnum + 15); | |
1204 | } | |
1205 | ||
1206 | /* 'float' values are stored in the upper half of floating-point | |
1207 | registers, even though we are otherwise a big-endian platform. The | |
1208 | same applies to a 'float' value within a vector. */ | |
1209 | ||
1210 | static struct value * | |
1211 | s390_value_from_register (struct gdbarch *gdbarch, struct type *type, | |
1212 | int regnum, struct frame_id frame_id) | |
1213 | { | |
1214 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1215 | struct value *value = default_value_from_register (gdbarch, type, | |
1216 | regnum, frame_id); | |
1217 | check_typedef (type); | |
1218 | ||
1219 | if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM | |
1220 | && TYPE_LENGTH (type) < 8) | |
1221 | || regnum_is_vxr_full (tdep, regnum) | |
1222 | || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM)) | |
1223 | set_value_offset (value, 0); | |
1224 | ||
1225 | return value; | |
1226 | } | |
1227 | ||
1228 | /* Implement pseudo_register_name tdesc method. */ | |
1229 | ||
1230 | static const char * | |
1231 | s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum) | |
1232 | { | |
1233 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1234 | ||
1235 | if (regnum == tdep->pc_regnum) | |
1236 | return "pc"; | |
1237 | ||
1238 | if (regnum == tdep->cc_regnum) | |
1239 | return "cc"; | |
1240 | ||
1241 | if (regnum_is_gpr_full (tdep, regnum)) | |
1242 | { | |
1243 | static const char *full_name[] = { | |
1244 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
1245 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
1246 | }; | |
1247 | return full_name[regnum - tdep->gpr_full_regnum]; | |
1248 | } | |
1249 | ||
1250 | if (regnum_is_vxr_full (tdep, regnum)) | |
1251 | { | |
1252 | static const char *full_name[] = { | |
1253 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", | |
1254 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15" | |
1255 | }; | |
1256 | return full_name[regnum - tdep->v0_full_regnum]; | |
1257 | } | |
1258 | ||
1259 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
1260 | } | |
1261 | ||
1262 | /* Implement pseudo_register_type tdesc method. */ | |
1263 | ||
1264 | static struct type * | |
1265 | s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum) | |
1266 | { | |
1267 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1268 | ||
1269 | if (regnum == tdep->pc_regnum) | |
1270 | return builtin_type (gdbarch)->builtin_func_ptr; | |
1271 | ||
1272 | if (regnum == tdep->cc_regnum) | |
1273 | return builtin_type (gdbarch)->builtin_int; | |
1274 | ||
1275 | if (regnum_is_gpr_full (tdep, regnum)) | |
1276 | return builtin_type (gdbarch)->builtin_uint64; | |
1277 | ||
0667c506 | 1278 | /* For the "concatenated" vector registers use the same type as v16. */ |
d6e58945 | 1279 | if (regnum_is_vxr_full (tdep, regnum)) |
0667c506 | 1280 | return tdesc_register_type (gdbarch, S390_V16_REGNUM); |
d6e58945 PR |
1281 | |
1282 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
1283 | } | |
1284 | ||
1285 | /* Implement pseudo_register_read gdbarch method. */ | |
1286 | ||
1287 | static enum register_status | |
849d0ba8 | 1288 | s390_pseudo_register_read (struct gdbarch *gdbarch, readable_regcache *regcache, |
d6e58945 PR |
1289 | int regnum, gdb_byte *buf) |
1290 | { | |
1291 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1292 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
1293 | int regsize = register_size (gdbarch, regnum); | |
1294 | ULONGEST val; | |
1295 | ||
1296 | if (regnum == tdep->pc_regnum) | |
1297 | { | |
1298 | enum register_status status; | |
1299 | ||
1300 | status = regcache->raw_read (S390_PSWA_REGNUM, &val); | |
1301 | if (status == REG_VALID) | |
1302 | { | |
1303 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1304 | val &= 0x7fffffff; | |
1305 | store_unsigned_integer (buf, regsize, byte_order, val); | |
1306 | } | |
1307 | return status; | |
1308 | } | |
1309 | ||
1310 | if (regnum == tdep->cc_regnum) | |
1311 | { | |
1312 | enum register_status status; | |
1313 | ||
1314 | status = regcache->raw_read (S390_PSWM_REGNUM, &val); | |
1315 | if (status == REG_VALID) | |
1316 | { | |
1317 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1318 | val = (val >> 12) & 3; | |
1319 | else | |
1320 | val = (val >> 44) & 3; | |
1321 | store_unsigned_integer (buf, regsize, byte_order, val); | |
1322 | } | |
1323 | return status; | |
1324 | } | |
1325 | ||
1326 | if (regnum_is_gpr_full (tdep, regnum)) | |
1327 | { | |
1328 | enum register_status status; | |
1329 | ULONGEST val_upper; | |
1330 | ||
1331 | regnum -= tdep->gpr_full_regnum; | |
1332 | ||
1333 | status = regcache->raw_read (S390_R0_REGNUM + regnum, &val); | |
1334 | if (status == REG_VALID) | |
1335 | status = regcache->raw_read (S390_R0_UPPER_REGNUM + regnum, | |
1336 | &val_upper); | |
1337 | if (status == REG_VALID) | |
1338 | { | |
1339 | val |= val_upper << 32; | |
1340 | store_unsigned_integer (buf, regsize, byte_order, val); | |
1341 | } | |
1342 | return status; | |
1343 | } | |
1344 | ||
1345 | if (regnum_is_vxr_full (tdep, regnum)) | |
1346 | { | |
1347 | enum register_status status; | |
1348 | ||
1349 | regnum -= tdep->v0_full_regnum; | |
1350 | ||
1351 | status = regcache->raw_read (S390_F0_REGNUM + regnum, buf); | |
1352 | if (status == REG_VALID) | |
1353 | status = regcache->raw_read (S390_V0_LOWER_REGNUM + regnum, buf + 8); | |
1354 | return status; | |
1355 | } | |
1356 | ||
1357 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
1358 | } | |
1359 | ||
1360 | /* Implement pseudo_register_write gdbarch method. */ | |
1361 | ||
1362 | static void | |
1363 | s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, | |
1364 | int regnum, const gdb_byte *buf) | |
1365 | { | |
1366 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1367 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
1368 | int regsize = register_size (gdbarch, regnum); | |
1369 | ULONGEST val, psw; | |
1370 | ||
1371 | if (regnum == tdep->pc_regnum) | |
1372 | { | |
1373 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
1374 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1375 | { | |
1376 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw); | |
1377 | val = (psw & 0x80000000) | (val & 0x7fffffff); | |
1378 | } | |
1379 | regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val); | |
1380 | return; | |
1381 | } | |
1382 | ||
1383 | if (regnum == tdep->cc_regnum) | |
1384 | { | |
1385 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
1386 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw); | |
1387 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1388 | val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12); | |
1389 | else | |
1390 | val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44); | |
1391 | regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val); | |
1392 | return; | |
1393 | } | |
1394 | ||
1395 | if (regnum_is_gpr_full (tdep, regnum)) | |
1396 | { | |
1397 | regnum -= tdep->gpr_full_regnum; | |
1398 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
1399 | regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum, | |
1400 | val & 0xffffffff); | |
1401 | regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum, | |
1402 | val >> 32); | |
1403 | return; | |
1404 | } | |
1405 | ||
1406 | if (regnum_is_vxr_full (tdep, regnum)) | |
1407 | { | |
1408 | regnum -= tdep->v0_full_regnum; | |
10eaee5f SM |
1409 | regcache->raw_write (S390_F0_REGNUM + regnum, buf); |
1410 | regcache->raw_write (S390_V0_LOWER_REGNUM + regnum, buf + 8); | |
d6e58945 PR |
1411 | return; |
1412 | } | |
1413 | ||
1414 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
1415 | } | |
1416 | ||
1417 | /* Register groups. */ | |
1418 | ||
1419 | /* Implement pseudo_register_reggroup_p tdesc method. */ | |
1420 | ||
1421 | static int | |
1422 | s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum, | |
1423 | struct reggroup *group) | |
1424 | { | |
1425 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1426 | ||
1427 | /* We usually save/restore the whole PSW, which includes PC and CC. | |
1428 | However, some older gdbservers may not support saving/restoring | |
1429 | the whole PSW yet, and will return an XML register description | |
1430 | excluding those from the save/restore register groups. In those | |
1431 | cases, we still need to explicitly save/restore PC and CC in order | |
1432 | to push or pop frames. Since this doesn't hurt anything if we | |
1433 | already save/restore the whole PSW (it's just redundant), we add | |
1434 | PC and CC at this point unconditionally. */ | |
1435 | if (group == save_reggroup || group == restore_reggroup) | |
1436 | return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum; | |
1437 | ||
1438 | if (group == vector_reggroup) | |
1439 | return regnum_is_vxr_full (tdep, regnum); | |
1440 | ||
1441 | if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum)) | |
1442 | return 0; | |
1443 | ||
1444 | return default_register_reggroup_p (gdbarch, regnum, group); | |
1445 | } | |
1446 | ||
1447 | /* The "ax_pseudo_register_collect" gdbarch method. */ | |
1448 | ||
1449 | static int | |
1450 | s390_ax_pseudo_register_collect (struct gdbarch *gdbarch, | |
1451 | struct agent_expr *ax, int regnum) | |
1452 | { | |
1453 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1454 | if (regnum == tdep->pc_regnum) | |
1455 | { | |
1456 | ax_reg_mask (ax, S390_PSWA_REGNUM); | |
1457 | } | |
1458 | else if (regnum == tdep->cc_regnum) | |
1459 | { | |
1460 | ax_reg_mask (ax, S390_PSWM_REGNUM); | |
1461 | } | |
1462 | else if (regnum_is_gpr_full (tdep, regnum)) | |
1463 | { | |
1464 | regnum -= tdep->gpr_full_regnum; | |
1465 | ax_reg_mask (ax, S390_R0_REGNUM + regnum); | |
1466 | ax_reg_mask (ax, S390_R0_UPPER_REGNUM + regnum); | |
1467 | } | |
1468 | else if (regnum_is_vxr_full (tdep, regnum)) | |
1469 | { | |
1470 | regnum -= tdep->v0_full_regnum; | |
1471 | ax_reg_mask (ax, S390_F0_REGNUM + regnum); | |
1472 | ax_reg_mask (ax, S390_V0_LOWER_REGNUM + regnum); | |
1473 | } | |
1474 | else | |
1475 | { | |
1476 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
1477 | } | |
1478 | return 0; | |
1479 | } | |
1480 | ||
1481 | /* The "ax_pseudo_register_push_stack" gdbarch method. */ | |
1482 | ||
1483 | static int | |
1484 | s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, | |
1485 | struct agent_expr *ax, int regnum) | |
1486 | { | |
1487 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1488 | if (regnum == tdep->pc_regnum) | |
1489 | { | |
1490 | ax_reg (ax, S390_PSWA_REGNUM); | |
1491 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1492 | { | |
1493 | ax_zero_ext (ax, 31); | |
1494 | } | |
1495 | } | |
1496 | else if (regnum == tdep->cc_regnum) | |
1497 | { | |
1498 | ax_reg (ax, S390_PSWM_REGNUM); | |
1499 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1500 | ax_const_l (ax, 12); | |
1501 | else | |
1502 | ax_const_l (ax, 44); | |
1503 | ax_simple (ax, aop_rsh_unsigned); | |
1504 | ax_zero_ext (ax, 2); | |
1505 | } | |
1506 | else if (regnum_is_gpr_full (tdep, regnum)) | |
1507 | { | |
1508 | regnum -= tdep->gpr_full_regnum; | |
1509 | ax_reg (ax, S390_R0_REGNUM + regnum); | |
1510 | ax_reg (ax, S390_R0_UPPER_REGNUM + regnum); | |
1511 | ax_const_l (ax, 32); | |
1512 | ax_simple (ax, aop_lsh); | |
1513 | ax_simple (ax, aop_bit_or); | |
1514 | } | |
1515 | else if (regnum_is_vxr_full (tdep, regnum)) | |
1516 | { | |
1517 | /* Too large to stuff on the stack. */ | |
1518 | return 1; | |
1519 | } | |
1520 | else | |
1521 | { | |
1522 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
1523 | } | |
1524 | return 0; | |
1525 | } | |
1526 | ||
1527 | /* The "gen_return_address" gdbarch method. Since this is supposed to be | |
1528 | just a best-effort method, and we don't really have the means to run | |
1529 | the full unwinder here, just collect the link register. */ | |
1530 | ||
1531 | static void | |
1532 | s390_gen_return_address (struct gdbarch *gdbarch, | |
1533 | struct agent_expr *ax, struct axs_value *value, | |
1534 | CORE_ADDR scope) | |
1535 | { | |
1536 | value->type = register_type (gdbarch, S390_R14_REGNUM); | |
1537 | value->kind = axs_lvalue_register; | |
1538 | value->u.reg = S390_R14_REGNUM; | |
1539 | } | |
1540 | ||
1541 | /* Address handling. */ | |
1542 | ||
1543 | /* Implement addr_bits_remove gdbarch method. | |
1544 | Only used for ABI_LINUX_S390. */ | |
1545 | ||
1546 | static CORE_ADDR | |
1547 | s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr) | |
1548 | { | |
1549 | return addr & 0x7fffffff; | |
1550 | } | |
1551 | ||
1552 | /* Implement addr_class_type_flags gdbarch method. | |
1553 | Only used for ABI_LINUX_ZSERIES. */ | |
1554 | ||
1555 | static int | |
1556 | s390_address_class_type_flags (int byte_size, int dwarf2_addr_class) | |
1557 | { | |
1558 | if (byte_size == 4) | |
1559 | return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; | |
1560 | else | |
1561 | return 0; | |
1562 | } | |
1563 | ||
1564 | /* Implement addr_class_type_flags_to_name gdbarch method. | |
1565 | Only used for ABI_LINUX_ZSERIES. */ | |
1566 | ||
1567 | static const char * | |
1568 | s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags) | |
1569 | { | |
1570 | if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1) | |
1571 | return "mode32"; | |
1572 | else | |
1573 | return NULL; | |
1574 | } | |
1575 | ||
1576 | /* Implement addr_class_name_to_type_flags gdbarch method. | |
1577 | Only used for ABI_LINUX_ZSERIES. */ | |
1578 | ||
1579 | static int | |
1580 | s390_address_class_name_to_type_flags (struct gdbarch *gdbarch, | |
1581 | const char *name, | |
1582 | int *type_flags_ptr) | |
1583 | { | |
1584 | if (strcmp (name, "mode32") == 0) | |
1585 | { | |
1586 | *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; | |
1587 | return 1; | |
1588 | } | |
1589 | else | |
1590 | return 0; | |
1591 | } | |
1592 | ||
1593 | /* Inferior function calls. */ | |
1594 | ||
1595 | /* Dummy function calls. */ | |
1596 | ||
1597 | /* Unwrap any single-field structs in TYPE and return the effective | |
1598 | "inner" type. E.g., yield "float" for all these cases: | |
1599 | ||
1600 | float x; | |
1601 | struct { float x }; | |
1602 | struct { struct { float x; } x; }; | |
1603 | struct { struct { struct { float x; } x; } x; }; | |
1604 | ||
1605 | However, if an inner type is smaller than MIN_SIZE, abort the | |
1606 | unwrapping. */ | |
1607 | ||
1608 | static struct type * | |
1609 | s390_effective_inner_type (struct type *type, unsigned int min_size) | |
1610 | { | |
1611 | while (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
1612 | && TYPE_NFIELDS (type) == 1) | |
1613 | { | |
1614 | struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0)); | |
1615 | ||
1616 | if (TYPE_LENGTH (inner) < min_size) | |
1617 | break; | |
1618 | type = inner; | |
1619 | } | |
1620 | ||
1621 | return type; | |
1622 | } | |
1623 | ||
1624 | /* Return non-zero if TYPE should be passed like "float" or | |
1625 | "double". */ | |
1626 | ||
1627 | static int | |
1628 | s390_function_arg_float (struct type *type) | |
1629 | { | |
1630 | /* Note that long double as well as complex types are intentionally | |
1631 | excluded. */ | |
1632 | if (TYPE_LENGTH (type) > 8) | |
1633 | return 0; | |
1634 | ||
1635 | /* A struct containing just a float or double is passed like a float | |
1636 | or double. */ | |
1637 | type = s390_effective_inner_type (type, 0); | |
1638 | ||
1639 | return (TYPE_CODE (type) == TYPE_CODE_FLT | |
1640 | || TYPE_CODE (type) == TYPE_CODE_DECFLOAT); | |
1641 | } | |
1642 | ||
1643 | /* Return non-zero if TYPE should be passed like a vector. */ | |
1644 | ||
1645 | static int | |
1646 | s390_function_arg_vector (struct type *type) | |
1647 | { | |
1648 | if (TYPE_LENGTH (type) > 16) | |
1649 | return 0; | |
1650 | ||
1651 | /* Structs containing just a vector are passed like a vector. */ | |
1652 | type = s390_effective_inner_type (type, TYPE_LENGTH (type)); | |
1653 | ||
1654 | return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type); | |
1655 | } | |
1656 | ||
1657 | /* Determine whether N is a power of two. */ | |
1658 | ||
1659 | static int | |
1660 | is_power_of_two (unsigned int n) | |
1661 | { | |
1662 | return n && ((n & (n - 1)) == 0); | |
1663 | } | |
1664 | ||
1665 | /* For an argument whose type is TYPE and which is not passed like a | |
1666 | float or vector, return non-zero if it should be passed like "int" | |
1667 | or "long long". */ | |
1668 | ||
1669 | static int | |
1670 | s390_function_arg_integer (struct type *type) | |
1671 | { | |
1672 | enum type_code code = TYPE_CODE (type); | |
1673 | ||
1674 | if (TYPE_LENGTH (type) > 8) | |
1675 | return 0; | |
1676 | ||
1677 | if (code == TYPE_CODE_INT | |
1678 | || code == TYPE_CODE_ENUM | |
1679 | || code == TYPE_CODE_RANGE | |
1680 | || code == TYPE_CODE_CHAR | |
1681 | || code == TYPE_CODE_BOOL | |
1682 | || code == TYPE_CODE_PTR | |
1683 | || TYPE_IS_REFERENCE (type)) | |
1684 | return 1; | |
1685 | ||
1686 | return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT) | |
1687 | && is_power_of_two (TYPE_LENGTH (type))); | |
1688 | } | |
1689 | ||
1690 | /* Argument passing state: Internal data structure passed to helper | |
1691 | routines of s390_push_dummy_call. */ | |
1692 | ||
1693 | struct s390_arg_state | |
1694 | { | |
1695 | /* Register cache, or NULL, if we are in "preparation mode". */ | |
1696 | struct regcache *regcache; | |
1697 | /* Next available general/floating-point/vector register for | |
1698 | argument passing. */ | |
1699 | int gr, fr, vr; | |
1700 | /* Current pointer to copy area (grows downwards). */ | |
1701 | CORE_ADDR copy; | |
1702 | /* Current pointer to parameter area (grows upwards). */ | |
1703 | CORE_ADDR argp; | |
1704 | }; | |
1705 | ||
1706 | /* Prepare one argument ARG for a dummy call and update the argument | |
1707 | passing state AS accordingly. If the regcache field in AS is set, | |
1708 | operate in "write mode" and write ARG into the inferior. Otherwise | |
1709 | run "preparation mode" and skip all updates to the inferior. */ | |
1710 | ||
1711 | static void | |
1712 | s390_handle_arg (struct s390_arg_state *as, struct value *arg, | |
1713 | struct gdbarch_tdep *tdep, int word_size, | |
1714 | enum bfd_endian byte_order, int is_unnamed) | |
1715 | { | |
1716 | struct type *type = check_typedef (value_type (arg)); | |
1717 | unsigned int length = TYPE_LENGTH (type); | |
1718 | int write_mode = as->regcache != NULL; | |
1719 | ||
1720 | if (s390_function_arg_float (type)) | |
1721 | { | |
1722 | /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass | |
1723 | arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and | |
1724 | 6. */ | |
1725 | if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6)) | |
1726 | { | |
1727 | /* When we store a single-precision value in an FP register, | |
1728 | it occupies the leftmost bits. */ | |
1729 | if (write_mode) | |
e4c4a59b SM |
1730 | as->regcache->cooked_write_part (S390_F0_REGNUM + as->fr, 0, length, |
1731 | value_contents (arg)); | |
d6e58945 PR |
1732 | as->fr += 2; |
1733 | } | |
1734 | else | |
1735 | { | |
1736 | /* When we store a single-precision value in a stack slot, | |
1737 | it occupies the rightmost bits. */ | |
1738 | as->argp = align_up (as->argp + length, word_size); | |
1739 | if (write_mode) | |
1740 | write_memory (as->argp - length, value_contents (arg), | |
1741 | length); | |
1742 | } | |
1743 | } | |
1744 | else if (tdep->vector_abi == S390_VECTOR_ABI_128 | |
1745 | && s390_function_arg_vector (type)) | |
1746 | { | |
1747 | static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31}; | |
1748 | ||
1749 | if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr)) | |
1750 | { | |
1751 | int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24; | |
1752 | ||
1753 | if (write_mode) | |
e4c4a59b SM |
1754 | as->regcache->cooked_write_part (regnum, 0, length, |
1755 | value_contents (arg)); | |
d6e58945 PR |
1756 | as->vr++; |
1757 | } | |
1758 | else | |
1759 | { | |
1760 | if (write_mode) | |
1761 | write_memory (as->argp, value_contents (arg), length); | |
1762 | as->argp = align_up (as->argp + length, word_size); | |
1763 | } | |
1764 | } | |
1765 | else if (s390_function_arg_integer (type) && length <= word_size) | |
1766 | { | |
1767 | /* Initialize it just to avoid a GCC false warning. */ | |
1768 | ULONGEST val = 0; | |
1769 | ||
1770 | if (write_mode) | |
1771 | { | |
1772 | /* Place value in least significant bits of the register or | |
1773 | memory word and sign- or zero-extend to full word size. | |
1774 | This also applies to a struct or union. */ | |
1775 | val = TYPE_UNSIGNED (type) | |
1776 | ? extract_unsigned_integer (value_contents (arg), | |
1777 | length, byte_order) | |
1778 | : extract_signed_integer (value_contents (arg), | |
1779 | length, byte_order); | |
1780 | } | |
1781 | ||
1782 | if (as->gr <= 6) | |
1783 | { | |
1784 | if (write_mode) | |
1785 | regcache_cooked_write_unsigned (as->regcache, | |
1786 | S390_R0_REGNUM + as->gr, | |
1787 | val); | |
1788 | as->gr++; | |
1789 | } | |
1790 | else | |
1791 | { | |
1792 | if (write_mode) | |
1793 | write_memory_unsigned_integer (as->argp, word_size, | |
1794 | byte_order, val); | |
1795 | as->argp += word_size; | |
1796 | } | |
1797 | } | |
1798 | else if (s390_function_arg_integer (type) && length == 8) | |
1799 | { | |
1800 | if (as->gr <= 5) | |
1801 | { | |
1802 | if (write_mode) | |
1803 | { | |
b66f5587 SM |
1804 | as->regcache->cooked_write (S390_R0_REGNUM + as->gr, |
1805 | value_contents (arg)); | |
1806 | as->regcache->cooked_write (S390_R0_REGNUM + as->gr + 1, | |
1807 | value_contents (arg) + word_size); | |
d6e58945 PR |
1808 | } |
1809 | as->gr += 2; | |
1810 | } | |
1811 | else | |
1812 | { | |
1813 | /* If we skipped r6 because we couldn't fit a DOUBLE_ARG | |
1814 | in it, then don't go back and use it again later. */ | |
1815 | as->gr = 7; | |
1816 | ||
1817 | if (write_mode) | |
1818 | write_memory (as->argp, value_contents (arg), length); | |
1819 | as->argp += length; | |
1820 | } | |
1821 | } | |
1822 | else | |
1823 | { | |
1824 | /* This argument type is never passed in registers. Place the | |
1825 | value in the copy area and pass a pointer to it. Use 8-byte | |
1826 | alignment as a conservative assumption. */ | |
1827 | as->copy = align_down (as->copy - length, 8); | |
1828 | if (write_mode) | |
1829 | write_memory (as->copy, value_contents (arg), length); | |
1830 | ||
1831 | if (as->gr <= 6) | |
1832 | { | |
1833 | if (write_mode) | |
1834 | regcache_cooked_write_unsigned (as->regcache, | |
1835 | S390_R0_REGNUM + as->gr, | |
1836 | as->copy); | |
1837 | as->gr++; | |
1838 | } | |
1839 | else | |
1840 | { | |
1841 | if (write_mode) | |
1842 | write_memory_unsigned_integer (as->argp, word_size, | |
1843 | byte_order, as->copy); | |
1844 | as->argp += word_size; | |
1845 | } | |
1846 | } | |
1847 | } | |
1848 | ||
1849 | /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in | |
1850 | place to be passed to a function, as specified by the "GNU/Linux | |
1851 | for S/390 ELF Application Binary Interface Supplement". | |
1852 | ||
1853 | SP is the current stack pointer. We must put arguments, links, | |
1854 | padding, etc. whereever they belong, and return the new stack | |
1855 | pointer value. | |
1856 | ||
1857 | If STRUCT_RETURN is non-zero, then the function we're calling is | |
1858 | going to return a structure by value; STRUCT_ADDR is the address of | |
1859 | a block we've allocated for it on the stack. | |
1860 | ||
1861 | Our caller has taken care of any type promotions needed to satisfy | |
1862 | prototypes or the old K&R argument-passing rules. */ | |
1863 | ||
1864 | static CORE_ADDR | |
1865 | s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function, | |
1866 | struct regcache *regcache, CORE_ADDR bp_addr, | |
1867 | int nargs, struct value **args, CORE_ADDR sp, | |
cf84fa6b AH |
1868 | function_call_return_method return_method, |
1869 | CORE_ADDR struct_addr) | |
d6e58945 PR |
1870 | { |
1871 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1872 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
1873 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
1874 | int i; | |
1875 | struct s390_arg_state arg_state, arg_prep; | |
1876 | CORE_ADDR param_area_start, new_sp; | |
1877 | struct type *ftype = check_typedef (value_type (function)); | |
1878 | ||
1879 | if (TYPE_CODE (ftype) == TYPE_CODE_PTR) | |
1880 | ftype = check_typedef (TYPE_TARGET_TYPE (ftype)); | |
1881 | ||
1882 | arg_prep.copy = sp; | |
cf84fa6b | 1883 | arg_prep.gr = (return_method == return_method_struct) ? 3 : 2; |
d6e58945 PR |
1884 | arg_prep.fr = 0; |
1885 | arg_prep.vr = 0; | |
1886 | arg_prep.argp = 0; | |
1887 | arg_prep.regcache = NULL; | |
1888 | ||
1889 | /* Initialize arg_state for "preparation mode". */ | |
1890 | arg_state = arg_prep; | |
1891 | ||
1892 | /* Update arg_state.copy with the start of the reference-to-copy area | |
1893 | and arg_state.argp with the size of the parameter area. */ | |
1894 | for (i = 0; i < nargs; i++) | |
1895 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, | |
1896 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
1897 | ||
1898 | param_area_start = align_down (arg_state.copy - arg_state.argp, 8); | |
1899 | ||
1900 | /* Allocate the standard frame areas: the register save area, the | |
1901 | word reserved for the compiler, and the back chain pointer. */ | |
1902 | new_sp = param_area_start - (16 * word_size + 32); | |
1903 | ||
1904 | /* Now we have the final stack pointer. Make sure we didn't | |
1905 | underflow; on 31-bit, this would result in addresses with the | |
1906 | high bit set, which causes confusion elsewhere. Note that if we | |
1907 | error out here, stack and registers remain untouched. */ | |
1908 | if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp) | |
1909 | error (_("Stack overflow")); | |
1910 | ||
1911 | /* Pass the structure return address in general register 2. */ | |
cf84fa6b | 1912 | if (return_method == return_method_struct) |
d6e58945 PR |
1913 | regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr); |
1914 | ||
1915 | /* Initialize arg_state for "write mode". */ | |
1916 | arg_state = arg_prep; | |
1917 | arg_state.argp = param_area_start; | |
1918 | arg_state.regcache = regcache; | |
1919 | ||
1920 | /* Write all parameters. */ | |
1921 | for (i = 0; i < nargs; i++) | |
1922 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, | |
1923 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
1924 | ||
1925 | /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */ | |
1926 | if (word_size == 4) | |
1927 | { | |
1928 | ULONGEST pswa; | |
1929 | regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
1930 | bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000); | |
1931 | } | |
1932 | regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr); | |
1933 | ||
1934 | /* Store updated stack pointer. */ | |
1935 | regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp); | |
1936 | ||
1937 | /* We need to return the 'stack part' of the frame ID, | |
1938 | which is actually the top of the register save area. */ | |
1939 | return param_area_start; | |
1940 | } | |
1941 | ||
1942 | /* Assuming THIS_FRAME is a dummy, return the frame ID of that | |
1943 | dummy frame. The frame ID's base needs to match the TOS value | |
1944 | returned by push_dummy_call, and the PC match the dummy frame's | |
1945 | breakpoint. */ | |
1946 | ||
1947 | static struct frame_id | |
1948 | s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame) | |
1949 | { | |
1950 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
1951 | CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); | |
1952 | sp = gdbarch_addr_bits_remove (gdbarch, sp); | |
1953 | ||
1954 | return frame_id_build (sp + 16*word_size + 32, | |
1955 | get_frame_pc (this_frame)); | |
1956 | } | |
1957 | ||
1958 | /* Implement frame_align gdbarch method. */ | |
1959 | ||
1960 | static CORE_ADDR | |
1961 | s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr) | |
1962 | { | |
1963 | /* Both the 32- and 64-bit ABI's say that the stack pointer should | |
1964 | always be aligned on an eight-byte boundary. */ | |
1965 | return (addr & -8); | |
1966 | } | |
1967 | ||
1968 | /* Helper for s390_return_value: Set or retrieve a function return | |
1969 | value if it resides in a register. */ | |
1970 | ||
1971 | static void | |
1972 | s390_register_return_value (struct gdbarch *gdbarch, struct type *type, | |
1973 | struct regcache *regcache, | |
1974 | gdb_byte *out, const gdb_byte *in) | |
1975 | { | |
1976 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
1977 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
1978 | int length = TYPE_LENGTH (type); | |
1979 | int code = TYPE_CODE (type); | |
1980 | ||
1981 | if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT) | |
1982 | { | |
1983 | /* Float-like value: left-aligned in f0. */ | |
1984 | if (in != NULL) | |
e4c4a59b | 1985 | regcache->cooked_write_part (S390_F0_REGNUM, 0, length, in); |
d6e58945 | 1986 | else |
73bb0000 | 1987 | regcache->cooked_read_part (S390_F0_REGNUM, 0, length, out); |
d6e58945 PR |
1988 | } |
1989 | else if (code == TYPE_CODE_ARRAY) | |
1990 | { | |
1991 | /* Vector: left-aligned in v24. */ | |
1992 | if (in != NULL) | |
e4c4a59b | 1993 | regcache->cooked_write_part (S390_V24_REGNUM, 0, length, in); |
d6e58945 | 1994 | else |
73bb0000 | 1995 | regcache->cooked_read_part (S390_V24_REGNUM, 0, length, out); |
d6e58945 PR |
1996 | } |
1997 | else if (length <= word_size) | |
1998 | { | |
1999 | /* Integer: zero- or sign-extended in r2. */ | |
2000 | if (out != NULL) | |
73bb0000 SM |
2001 | regcache->cooked_read_part (S390_R2_REGNUM, word_size - length, length, |
2002 | out); | |
d6e58945 PR |
2003 | else if (TYPE_UNSIGNED (type)) |
2004 | regcache_cooked_write_unsigned | |
2005 | (regcache, S390_R2_REGNUM, | |
2006 | extract_unsigned_integer (in, length, byte_order)); | |
2007 | else | |
2008 | regcache_cooked_write_signed | |
2009 | (regcache, S390_R2_REGNUM, | |
2010 | extract_signed_integer (in, length, byte_order)); | |
2011 | } | |
2012 | else if (length == 2 * word_size) | |
2013 | { | |
2014 | /* Double word: in r2 and r3. */ | |
2015 | if (in != NULL) | |
2016 | { | |
b66f5587 SM |
2017 | regcache->cooked_write (S390_R2_REGNUM, in); |
2018 | regcache->cooked_write (S390_R3_REGNUM, in + word_size); | |
d6e58945 PR |
2019 | } |
2020 | else | |
2021 | { | |
dca08e1f SM |
2022 | regcache->cooked_read (S390_R2_REGNUM, out); |
2023 | regcache->cooked_read (S390_R3_REGNUM, out + word_size); | |
d6e58945 PR |
2024 | } |
2025 | } | |
2026 | else | |
2027 | internal_error (__FILE__, __LINE__, _("invalid return type")); | |
2028 | } | |
2029 | ||
2030 | /* Implement the 'return_value' gdbarch method. */ | |
2031 | ||
2032 | static enum return_value_convention | |
2033 | s390_return_value (struct gdbarch *gdbarch, struct value *function, | |
2034 | struct type *type, struct regcache *regcache, | |
2035 | gdb_byte *out, const gdb_byte *in) | |
2036 | { | |
2037 | enum return_value_convention rvc; | |
2038 | ||
2039 | type = check_typedef (type); | |
2040 | ||
2041 | switch (TYPE_CODE (type)) | |
2042 | { | |
2043 | case TYPE_CODE_STRUCT: | |
2044 | case TYPE_CODE_UNION: | |
2045 | case TYPE_CODE_COMPLEX: | |
2046 | rvc = RETURN_VALUE_STRUCT_CONVENTION; | |
2047 | break; | |
2048 | case TYPE_CODE_ARRAY: | |
2049 | rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128 | |
2050 | && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type)) | |
2051 | ? RETURN_VALUE_REGISTER_CONVENTION | |
2052 | : RETURN_VALUE_STRUCT_CONVENTION; | |
2053 | break; | |
2054 | default: | |
2055 | rvc = TYPE_LENGTH (type) <= 8 | |
2056 | ? RETURN_VALUE_REGISTER_CONVENTION | |
2057 | : RETURN_VALUE_STRUCT_CONVENTION; | |
2058 | } | |
2059 | ||
2060 | if (in != NULL || out != NULL) | |
2061 | { | |
2062 | if (rvc == RETURN_VALUE_REGISTER_CONVENTION) | |
2063 | s390_register_return_value (gdbarch, type, regcache, out, in); | |
2064 | else if (in != NULL) | |
2065 | error (_("Cannot set function return value.")); | |
2066 | else | |
2067 | error (_("Function return value unknown.")); | |
2068 | } | |
2069 | ||
2070 | return rvc; | |
2071 | } | |
2072 | ||
2073 | /* Frame unwinding. */ | |
2074 | ||
2075 | /* Implmement the stack_frame_destroyed_p gdbarch method. */ | |
2076 | ||
2077 | static int | |
2078 | s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc) | |
2079 | { | |
2080 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
2081 | ||
2082 | /* In frameless functions, there's no frame to destroy and thus | |
2083 | we don't care about the epilogue. | |
2084 | ||
2085 | In functions with frame, the epilogue sequence is a pair of | |
2086 | a LM-type instruction that restores (amongst others) the | |
2087 | return register %r14 and the stack pointer %r15, followed | |
2088 | by a branch 'br %r14' --or equivalent-- that effects the | |
2089 | actual return. | |
2090 | ||
2091 | In that situation, this function needs to return 'true' in | |
2092 | exactly one case: when pc points to that branch instruction. | |
2093 | ||
2094 | Thus we try to disassemble the one instructions immediately | |
2095 | preceding pc and check whether it is an LM-type instruction | |
2096 | modifying the stack pointer. | |
2097 | ||
2098 | Note that disassembling backwards is not reliable, so there | |
2099 | is a slight chance of false positives here ... */ | |
2100 | ||
2101 | bfd_byte insn[6]; | |
2102 | unsigned int r1, r3, b2; | |
2103 | int d2; | |
2104 | ||
2105 | if (word_size == 4 | |
2106 | && !target_read_memory (pc - 4, insn, 4) | |
2107 | && is_rs (insn, op_lm, &r1, &r3, &d2, &b2) | |
2108 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
2109 | return 1; | |
2110 | ||
2111 | if (word_size == 4 | |
2112 | && !target_read_memory (pc - 6, insn, 6) | |
2113 | && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2) | |
2114 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
2115 | return 1; | |
2116 | ||
2117 | if (word_size == 8 | |
2118 | && !target_read_memory (pc - 6, insn, 6) | |
2119 | && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2) | |
2120 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
2121 | return 1; | |
2122 | ||
2123 | return 0; | |
2124 | } | |
2125 | ||
2126 | /* Implement unwind_pc gdbarch method. */ | |
2127 | ||
2128 | static CORE_ADDR | |
2129 | s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
2130 | { | |
2131 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2132 | ULONGEST pc; | |
2133 | pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum); | |
2134 | return gdbarch_addr_bits_remove (gdbarch, pc); | |
2135 | } | |
2136 | ||
2137 | /* Implement unwind_sp gdbarch method. */ | |
2138 | ||
2139 | static CORE_ADDR | |
2140 | s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
2141 | { | |
2142 | ULONGEST sp; | |
2143 | sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM); | |
2144 | return gdbarch_addr_bits_remove (gdbarch, sp); | |
2145 | } | |
2146 | ||
2147 | /* Helper routine to unwind pseudo registers. */ | |
2148 | ||
2149 | static struct value * | |
2150 | s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum) | |
2151 | { | |
2152 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
2153 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2154 | struct type *type = register_type (gdbarch, regnum); | |
2155 | ||
2156 | /* Unwind PC via PSW address. */ | |
2157 | if (regnum == tdep->pc_regnum) | |
2158 | { | |
2159 | struct value *val; | |
2160 | ||
2161 | val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM); | |
2162 | if (!value_optimized_out (val)) | |
2163 | { | |
2164 | LONGEST pswa = value_as_long (val); | |
2165 | ||
2166 | if (TYPE_LENGTH (type) == 4) | |
2167 | return value_from_pointer (type, pswa & 0x7fffffff); | |
2168 | else | |
2169 | return value_from_pointer (type, pswa); | |
2170 | } | |
2171 | } | |
2172 | ||
2173 | /* Unwind CC via PSW mask. */ | |
2174 | if (regnum == tdep->cc_regnum) | |
2175 | { | |
2176 | struct value *val; | |
2177 | ||
2178 | val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM); | |
2179 | if (!value_optimized_out (val)) | |
2180 | { | |
2181 | LONGEST pswm = value_as_long (val); | |
2182 | ||
2183 | if (TYPE_LENGTH (type) == 4) | |
2184 | return value_from_longest (type, (pswm >> 12) & 3); | |
2185 | else | |
2186 | return value_from_longest (type, (pswm >> 44) & 3); | |
2187 | } | |
2188 | } | |
2189 | ||
2190 | /* Unwind full GPRs to show at least the lower halves (as the | |
2191 | upper halves are undefined). */ | |
2192 | if (regnum_is_gpr_full (tdep, regnum)) | |
2193 | { | |
2194 | int reg = regnum - tdep->gpr_full_regnum; | |
2195 | struct value *val; | |
2196 | ||
2197 | val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg); | |
2198 | if (!value_optimized_out (val)) | |
2199 | return value_cast (type, val); | |
2200 | } | |
2201 | ||
2202 | return allocate_optimized_out_value (type); | |
2203 | } | |
2204 | ||
2205 | /* Translate a .eh_frame register to DWARF register, or adjust a | |
2206 | .debug_frame register. */ | |
2207 | ||
2208 | static int | |
2209 | s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p) | |
2210 | { | |
2211 | /* See s390_dwarf_reg_to_regnum for comments. */ | |
2212 | return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num; | |
2213 | } | |
2214 | ||
2215 | /* DWARF-2 frame unwinding. */ | |
2216 | ||
2217 | /* Function to unwind a pseudo-register in dwarf2_frame unwinder. Used by | |
2218 | s390_dwarf2_frame_init_reg. */ | |
2219 | ||
2220 | static struct value * | |
2221 | s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache, | |
2222 | int regnum) | |
2223 | { | |
2224 | return s390_unwind_pseudo_register (this_frame, regnum); | |
2225 | } | |
2226 | ||
2227 | /* Implement init_reg dwarf2_frame method. */ | |
2228 | ||
2229 | static void | |
2230 | s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum, | |
2231 | struct dwarf2_frame_state_reg *reg, | |
2232 | struct frame_info *this_frame) | |
2233 | { | |
2234 | /* The condition code (and thus PSW mask) is call-clobbered. */ | |
2235 | if (regnum == S390_PSWM_REGNUM) | |
2236 | reg->how = DWARF2_FRAME_REG_UNDEFINED; | |
2237 | ||
2238 | /* The PSW address unwinds to the return address. */ | |
2239 | else if (regnum == S390_PSWA_REGNUM) | |
2240 | reg->how = DWARF2_FRAME_REG_RA; | |
2241 | ||
2242 | /* Fixed registers are call-saved or call-clobbered | |
2243 | depending on the ABI in use. */ | |
2244 | else if (regnum < S390_NUM_REGS) | |
2245 | { | |
2246 | if (s390_register_call_saved (gdbarch, regnum)) | |
2247 | reg->how = DWARF2_FRAME_REG_SAME_VALUE; | |
2248 | else | |
2249 | reg->how = DWARF2_FRAME_REG_UNDEFINED; | |
2250 | } | |
2251 | ||
2252 | /* We install a special function to unwind pseudos. */ | |
2253 | else | |
2254 | { | |
2255 | reg->how = DWARF2_FRAME_REG_FN; | |
2256 | reg->loc.fn = s390_dwarf2_prev_register; | |
2257 | } | |
2258 | } | |
2259 | ||
2260 | /* Frame unwinding. */ | |
2261 | ||
2262 | /* Wrapper for trad_frame_get_prev_register to allow for s390 pseudo | |
2263 | register translation. */ | |
2264 | ||
2265 | struct value * | |
2266 | s390_trad_frame_prev_register (struct frame_info *this_frame, | |
2267 | struct trad_frame_saved_reg saved_regs[], | |
2268 | int regnum) | |
2269 | { | |
2270 | if (regnum < S390_NUM_REGS) | |
2271 | return trad_frame_get_prev_register (this_frame, saved_regs, regnum); | |
2272 | else | |
2273 | return s390_unwind_pseudo_register (this_frame, regnum); | |
2274 | } | |
2275 | ||
2276 | /* Normal stack frames. */ | |
2277 | ||
2278 | struct s390_unwind_cache { | |
2279 | ||
2280 | CORE_ADDR func; | |
2281 | CORE_ADDR frame_base; | |
2282 | CORE_ADDR local_base; | |
2283 | ||
2284 | struct trad_frame_saved_reg *saved_regs; | |
2285 | }; | |
2286 | ||
2287 | /* Unwind THIS_FRAME and write the information into unwind cache INFO using | |
2288 | prologue analysis. Helper for s390_frame_unwind_cache. */ | |
2289 | ||
2290 | static int | |
2291 | s390_prologue_frame_unwind_cache (struct frame_info *this_frame, | |
2292 | struct s390_unwind_cache *info) | |
2293 | { | |
2294 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
2295 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
2296 | struct s390_prologue_data data; | |
2297 | pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
2298 | pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; | |
2299 | int i; | |
2300 | CORE_ADDR cfa; | |
2301 | CORE_ADDR func; | |
2302 | CORE_ADDR result; | |
2303 | ULONGEST reg; | |
2304 | CORE_ADDR prev_sp; | |
2305 | int frame_pointer; | |
2306 | int size; | |
2307 | struct frame_info *next_frame; | |
2308 | ||
2309 | /* Try to find the function start address. If we can't find it, we don't | |
2310 | bother searching for it -- with modern compilers this would be mostly | |
2311 | pointless anyway. Trust that we'll either have valid DWARF-2 CFI data | |
2312 | or else a valid backchain ... */ | |
2313 | if (!get_frame_func_if_available (this_frame, &info->func)) | |
2314 | { | |
2315 | info->func = -1; | |
2316 | return 0; | |
2317 | } | |
2318 | func = info->func; | |
2319 | ||
2320 | /* Try to analyze the prologue. */ | |
2321 | result = s390_analyze_prologue (gdbarch, func, | |
2322 | get_frame_pc (this_frame), &data); | |
2323 | if (!result) | |
2324 | return 0; | |
2325 | ||
2326 | /* If this was successful, we should have found the instruction that | |
2327 | sets the stack pointer register to the previous value of the stack | |
2328 | pointer minus the frame size. */ | |
2329 | if (!pv_is_register (*sp, S390_SP_REGNUM)) | |
2330 | return 0; | |
2331 | ||
2332 | /* A frame size of zero at this point can mean either a real | |
2333 | frameless function, or else a failure to find the prologue. | |
2334 | Perform some sanity checks to verify we really have a | |
2335 | frameless function. */ | |
2336 | if (sp->k == 0) | |
2337 | { | |
2338 | /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame | |
2339 | size zero. This is only possible if the next frame is a sentinel | |
2340 | frame, a dummy frame, or a signal trampoline frame. */ | |
2341 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be | |
2342 | needed, instead the code should simpliy rely on its | |
2343 | analysis. */ | |
2344 | next_frame = get_next_frame (this_frame); | |
2345 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2346 | next_frame = get_next_frame (next_frame); | |
2347 | if (next_frame | |
2348 | && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME) | |
2349 | return 0; | |
2350 | ||
2351 | /* If we really have a frameless function, %r14 must be valid | |
2352 | -- in particular, it must point to a different function. */ | |
2353 | reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM); | |
2354 | reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1; | |
2355 | if (get_pc_function_start (reg) == func) | |
2356 | { | |
2357 | /* However, there is one case where it *is* valid for %r14 | |
2358 | to point to the same function -- if this is a recursive | |
2359 | call, and we have stopped in the prologue *before* the | |
2360 | stack frame was allocated. | |
2361 | ||
2362 | Recognize this case by looking ahead a bit ... */ | |
2363 | ||
2364 | struct s390_prologue_data data2; | |
b926417a | 2365 | pv_t *sp2 = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
d6e58945 PR |
2366 | |
2367 | if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2) | |
b926417a TT |
2368 | && pv_is_register (*sp2, S390_SP_REGNUM) |
2369 | && sp2->k != 0)) | |
d6e58945 PR |
2370 | return 0; |
2371 | } | |
2372 | } | |
2373 | ||
2374 | /* OK, we've found valid prologue data. */ | |
2375 | size = -sp->k; | |
2376 | ||
2377 | /* If the frame pointer originally also holds the same value | |
2378 | as the stack pointer, we're probably using it. If it holds | |
2379 | some other value -- even a constant offset -- it is most | |
2380 | likely used as temp register. */ | |
2381 | if (pv_is_identical (*sp, *fp)) | |
2382 | frame_pointer = S390_FRAME_REGNUM; | |
2383 | else | |
2384 | frame_pointer = S390_SP_REGNUM; | |
2385 | ||
2386 | /* If we've detected a function with stack frame, we'll still have to | |
2387 | treat it as frameless if we're currently within the function epilog | |
2388 | code at a point where the frame pointer has already been restored. | |
2389 | This can only happen in an innermost frame. */ | |
2390 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed, | |
2391 | instead the code should simpliy rely on its analysis. */ | |
2392 | next_frame = get_next_frame (this_frame); | |
2393 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2394 | next_frame = get_next_frame (next_frame); | |
2395 | if (size > 0 | |
2396 | && (next_frame == NULL | |
2397 | || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME)) | |
2398 | { | |
2399 | /* See the comment in s390_stack_frame_destroyed_p on why this is | |
2400 | not completely reliable ... */ | |
2401 | if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame))) | |
2402 | { | |
2403 | memset (&data, 0, sizeof (data)); | |
2404 | size = 0; | |
2405 | frame_pointer = S390_SP_REGNUM; | |
2406 | } | |
2407 | } | |
2408 | ||
2409 | /* Once we know the frame register and the frame size, we can unwind | |
2410 | the current value of the frame register from the next frame, and | |
2411 | add back the frame size to arrive that the previous frame's | |
2412 | stack pointer value. */ | |
2413 | prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size; | |
2414 | cfa = prev_sp + 16*word_size + 32; | |
2415 | ||
2416 | /* Set up ABI call-saved/call-clobbered registers. */ | |
2417 | for (i = 0; i < S390_NUM_REGS; i++) | |
2418 | if (!s390_register_call_saved (gdbarch, i)) | |
2419 | trad_frame_set_unknown (info->saved_regs, i); | |
2420 | ||
2421 | /* CC is always call-clobbered. */ | |
2422 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); | |
2423 | ||
2424 | /* Record the addresses of all register spill slots the prologue parser | |
2425 | has recognized. Consider only registers defined as call-saved by the | |
2426 | ABI; for call-clobbered registers the parser may have recognized | |
2427 | spurious stores. */ | |
2428 | ||
2429 | for (i = 0; i < 16; i++) | |
2430 | if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i) | |
2431 | && data.gpr_slot[i] != 0) | |
2432 | info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i]; | |
2433 | ||
2434 | for (i = 0; i < 16; i++) | |
2435 | if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i) | |
2436 | && data.fpr_slot[i] != 0) | |
2437 | info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i]; | |
2438 | ||
2439 | /* Function return will set PC to %r14. */ | |
2440 | info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM]; | |
2441 | ||
2442 | /* In frameless functions, we unwind simply by moving the return | |
2443 | address to the PC. However, if we actually stored to the | |
2444 | save area, use that -- we might only think the function frameless | |
2445 | because we're in the middle of the prologue ... */ | |
2446 | if (size == 0 | |
2447 | && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) | |
2448 | { | |
2449 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; | |
2450 | } | |
2451 | ||
2452 | /* Another sanity check: unless this is a frameless function, | |
2453 | we should have found spill slots for SP and PC. | |
2454 | If not, we cannot unwind further -- this happens e.g. in | |
2455 | libc's thread_start routine. */ | |
2456 | if (size > 0) | |
2457 | { | |
2458 | if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM) | |
2459 | || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) | |
2460 | prev_sp = -1; | |
2461 | } | |
2462 | ||
2463 | /* We use the current value of the frame register as local_base, | |
2464 | and the top of the register save area as frame_base. */ | |
2465 | if (prev_sp != -1) | |
2466 | { | |
2467 | info->frame_base = prev_sp + 16*word_size + 32; | |
2468 | info->local_base = prev_sp - size; | |
2469 | } | |
2470 | ||
2471 | return 1; | |
2472 | } | |
2473 | ||
2474 | /* Unwind THIS_FRAME and write the information into unwind cache INFO using | |
2475 | back chain unwinding. Helper for s390_frame_unwind_cache. */ | |
2476 | ||
2477 | static void | |
2478 | s390_backchain_frame_unwind_cache (struct frame_info *this_frame, | |
2479 | struct s390_unwind_cache *info) | |
2480 | { | |
2481 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
2482 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
2483 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
2484 | CORE_ADDR backchain; | |
2485 | ULONGEST reg; | |
2486 | LONGEST sp, tmp; | |
2487 | int i; | |
2488 | ||
2489 | /* Set up ABI call-saved/call-clobbered registers. */ | |
2490 | for (i = 0; i < S390_NUM_REGS; i++) | |
2491 | if (!s390_register_call_saved (gdbarch, i)) | |
2492 | trad_frame_set_unknown (info->saved_regs, i); | |
2493 | ||
2494 | /* CC is always call-clobbered. */ | |
2495 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); | |
2496 | ||
2497 | /* Get the backchain. */ | |
2498 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); | |
2499 | if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp)) | |
2500 | tmp = 0; | |
2501 | backchain = (CORE_ADDR) tmp; | |
2502 | ||
2503 | /* A zero backchain terminates the frame chain. As additional | |
2504 | sanity check, let's verify that the spill slot for SP in the | |
2505 | save area pointed to by the backchain in fact links back to | |
2506 | the save area. */ | |
2507 | if (backchain != 0 | |
2508 | && safe_read_memory_integer (backchain + 15*word_size, | |
2509 | word_size, byte_order, &sp) | |
2510 | && (CORE_ADDR)sp == backchain) | |
2511 | { | |
2512 | /* We don't know which registers were saved, but it will have | |
2513 | to be at least %r14 and %r15. This will allow us to continue | |
2514 | unwinding, but other prev-frame registers may be incorrect ... */ | |
2515 | info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size; | |
2516 | info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size; | |
2517 | ||
2518 | /* Function return will set PC to %r14. */ | |
2519 | info->saved_regs[S390_PSWA_REGNUM] | |
2520 | = info->saved_regs[S390_RETADDR_REGNUM]; | |
2521 | ||
2522 | /* We use the current value of the frame register as local_base, | |
2523 | and the top of the register save area as frame_base. */ | |
2524 | info->frame_base = backchain + 16*word_size + 32; | |
2525 | info->local_base = reg; | |
2526 | } | |
2527 | ||
2528 | info->func = get_frame_pc (this_frame); | |
2529 | } | |
2530 | ||
2531 | /* Unwind THIS_FRAME and return the corresponding unwind cache for | |
2532 | s390_frame_unwind and s390_frame_base. */ | |
2533 | ||
2534 | static struct s390_unwind_cache * | |
2535 | s390_frame_unwind_cache (struct frame_info *this_frame, | |
2536 | void **this_prologue_cache) | |
2537 | { | |
2538 | struct s390_unwind_cache *info; | |
2539 | ||
2540 | if (*this_prologue_cache) | |
2541 | return (struct s390_unwind_cache *) *this_prologue_cache; | |
2542 | ||
2543 | info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache); | |
2544 | *this_prologue_cache = info; | |
2545 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); | |
2546 | info->func = -1; | |
2547 | info->frame_base = -1; | |
2548 | info->local_base = -1; | |
2549 | ||
a70b8144 | 2550 | try |
d6e58945 PR |
2551 | { |
2552 | /* Try to use prologue analysis to fill the unwind cache. | |
2553 | If this fails, fall back to reading the stack backchain. */ | |
2554 | if (!s390_prologue_frame_unwind_cache (this_frame, info)) | |
2555 | s390_backchain_frame_unwind_cache (this_frame, info); | |
2556 | } | |
230d2906 | 2557 | catch (const gdb_exception_error &ex) |
d6e58945 PR |
2558 | { |
2559 | if (ex.error != NOT_AVAILABLE_ERROR) | |
eedc3f4f | 2560 | throw; |
d6e58945 | 2561 | } |
d6e58945 PR |
2562 | |
2563 | return info; | |
2564 | } | |
2565 | ||
2566 | /* Implement this_id frame_unwind method for s390_frame_unwind. */ | |
2567 | ||
2568 | static void | |
2569 | s390_frame_this_id (struct frame_info *this_frame, | |
2570 | void **this_prologue_cache, | |
2571 | struct frame_id *this_id) | |
2572 | { | |
2573 | struct s390_unwind_cache *info | |
2574 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); | |
2575 | ||
2576 | if (info->frame_base == -1) | |
2577 | { | |
2578 | if (info->func != -1) | |
2579 | *this_id = frame_id_build_unavailable_stack (info->func); | |
2580 | return; | |
2581 | } | |
2582 | ||
2583 | *this_id = frame_id_build (info->frame_base, info->func); | |
2584 | } | |
2585 | ||
2586 | /* Implement prev_register frame_unwind method for s390_frame_unwind. */ | |
2587 | ||
2588 | static struct value * | |
2589 | s390_frame_prev_register (struct frame_info *this_frame, | |
2590 | void **this_prologue_cache, int regnum) | |
2591 | { | |
2592 | struct s390_unwind_cache *info | |
2593 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); | |
2594 | ||
2595 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); | |
2596 | } | |
2597 | ||
2598 | /* Default S390 frame unwinder. */ | |
2599 | ||
2600 | static const struct frame_unwind s390_frame_unwind = { | |
2601 | NORMAL_FRAME, | |
2602 | default_frame_unwind_stop_reason, | |
2603 | s390_frame_this_id, | |
2604 | s390_frame_prev_register, | |
2605 | NULL, | |
2606 | default_frame_sniffer | |
2607 | }; | |
2608 | ||
2609 | /* Code stubs and their stack frames. For things like PLTs and NULL | |
2610 | function calls (where there is no true frame and the return address | |
2611 | is in the RETADDR register). */ | |
2612 | ||
2613 | struct s390_stub_unwind_cache | |
2614 | { | |
2615 | CORE_ADDR frame_base; | |
2616 | struct trad_frame_saved_reg *saved_regs; | |
2617 | }; | |
2618 | ||
2619 | /* Unwind THIS_FRAME and return the corresponding unwind cache for | |
2620 | s390_stub_frame_unwind. */ | |
2621 | ||
2622 | static struct s390_stub_unwind_cache * | |
2623 | s390_stub_frame_unwind_cache (struct frame_info *this_frame, | |
2624 | void **this_prologue_cache) | |
2625 | { | |
2626 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
2627 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
2628 | struct s390_stub_unwind_cache *info; | |
2629 | ULONGEST reg; | |
2630 | ||
2631 | if (*this_prologue_cache) | |
2632 | return (struct s390_stub_unwind_cache *) *this_prologue_cache; | |
2633 | ||
2634 | info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache); | |
2635 | *this_prologue_cache = info; | |
2636 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); | |
2637 | ||
2638 | /* The return address is in register %r14. */ | |
2639 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; | |
2640 | ||
2641 | /* Retrieve stack pointer and determine our frame base. */ | |
2642 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); | |
2643 | info->frame_base = reg + 16*word_size + 32; | |
2644 | ||
2645 | return info; | |
2646 | } | |
2647 | ||
2648 | /* Implement this_id frame_unwind method for s390_stub_frame_unwind. */ | |
2649 | ||
2650 | static void | |
2651 | s390_stub_frame_this_id (struct frame_info *this_frame, | |
2652 | void **this_prologue_cache, | |
2653 | struct frame_id *this_id) | |
2654 | { | |
2655 | struct s390_stub_unwind_cache *info | |
2656 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); | |
2657 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); | |
2658 | } | |
2659 | ||
2660 | /* Implement prev_register frame_unwind method for s390_stub_frame_unwind. */ | |
2661 | ||
2662 | static struct value * | |
2663 | s390_stub_frame_prev_register (struct frame_info *this_frame, | |
2664 | void **this_prologue_cache, int regnum) | |
2665 | { | |
2666 | struct s390_stub_unwind_cache *info | |
2667 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); | |
2668 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); | |
2669 | } | |
2670 | ||
2671 | /* Implement sniffer frame_unwind method for s390_stub_frame_unwind. */ | |
2672 | ||
2673 | static int | |
2674 | s390_stub_frame_sniffer (const struct frame_unwind *self, | |
2675 | struct frame_info *this_frame, | |
2676 | void **this_prologue_cache) | |
2677 | { | |
2678 | CORE_ADDR addr_in_block; | |
2679 | bfd_byte insn[S390_MAX_INSTR_SIZE]; | |
2680 | ||
2681 | /* If the current PC points to non-readable memory, we assume we | |
2682 | have trapped due to an invalid function pointer call. We handle | |
2683 | the non-existing current function like a PLT stub. */ | |
2684 | addr_in_block = get_frame_address_in_block (this_frame); | |
2685 | if (in_plt_section (addr_in_block) | |
2686 | || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0) | |
2687 | return 1; | |
2688 | return 0; | |
2689 | } | |
2690 | ||
2691 | /* S390 stub frame unwinder. */ | |
2692 | ||
2693 | static const struct frame_unwind s390_stub_frame_unwind = { | |
2694 | NORMAL_FRAME, | |
2695 | default_frame_unwind_stop_reason, | |
2696 | s390_stub_frame_this_id, | |
2697 | s390_stub_frame_prev_register, | |
2698 | NULL, | |
2699 | s390_stub_frame_sniffer | |
2700 | }; | |
2701 | ||
2702 | /* Frame base handling. */ | |
2703 | ||
2704 | static CORE_ADDR | |
2705 | s390_frame_base_address (struct frame_info *this_frame, void **this_cache) | |
2706 | { | |
2707 | struct s390_unwind_cache *info | |
2708 | = s390_frame_unwind_cache (this_frame, this_cache); | |
2709 | return info->frame_base; | |
2710 | } | |
2711 | ||
2712 | static CORE_ADDR | |
2713 | s390_local_base_address (struct frame_info *this_frame, void **this_cache) | |
2714 | { | |
2715 | struct s390_unwind_cache *info | |
2716 | = s390_frame_unwind_cache (this_frame, this_cache); | |
2717 | return info->local_base; | |
2718 | } | |
2719 | ||
2720 | static const struct frame_base s390_frame_base = { | |
2721 | &s390_frame_unwind, | |
2722 | s390_frame_base_address, | |
2723 | s390_local_base_address, | |
2724 | s390_local_base_address | |
2725 | }; | |
2726 | ||
ef8914a4 PR |
2727 | /* Process record-replay */ |
2728 | ||
2729 | /* Takes the intermediate sum of address calculations and masks off upper | |
2730 | bits according to current addressing mode. */ | |
2731 | ||
2732 | static CORE_ADDR | |
2733 | s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache, | |
2734 | CORE_ADDR val) | |
2735 | { | |
2736 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2737 | ULONGEST pswm, pswa; | |
2738 | int am; | |
2739 | if (tdep->abi == ABI_LINUX_S390) | |
2740 | { | |
2741 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
2742 | am = pswa >> 31 & 1; | |
2743 | } | |
2744 | else | |
2745 | { | |
2746 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm); | |
2747 | am = pswm >> 31 & 3; | |
2748 | } | |
2749 | switch (am) | |
2750 | { | |
2751 | case 0: | |
2752 | return val & 0xffffff; | |
2753 | case 1: | |
2754 | return val & 0x7fffffff; | |
2755 | case 3: | |
2756 | return val; | |
2757 | default: | |
2758 | fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am); | |
2759 | return 0; | |
2760 | } | |
2761 | } | |
2762 | ||
2763 | /* Calculates memory address using pre-calculated index, raw instruction word | |
2764 | with b and d/dl fields, and raw instruction byte with dh field. Index and | |
2765 | dh should be set to 0 if unused. */ | |
2766 | ||
2767 | static CORE_ADDR | |
2768 | s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache, | |
2769 | ULONGEST x, uint16_t bd, int8_t dh) | |
2770 | { | |
2771 | uint8_t rb = bd >> 12 & 0xf; | |
2772 | int32_t d = (bd & 0xfff) | ((int32_t)dh << 12); | |
2773 | ULONGEST b; | |
2774 | CORE_ADDR res = d + x; | |
2775 | if (rb) | |
2776 | { | |
2777 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b); | |
2778 | res += b; | |
2779 | } | |
2780 | return s390_record_address_mask (gdbarch, regcache, res); | |
2781 | } | |
2782 | ||
2783 | /* Calculates memory address using raw x, b + d/dl, dh fields from | |
2784 | instruction. rx and dh should be set to 0 if unused. */ | |
2785 | ||
2786 | static CORE_ADDR | |
2787 | s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache, | |
2788 | uint8_t rx, uint16_t bd, int8_t dh) | |
2789 | { | |
2790 | ULONGEST x = 0; | |
2791 | if (rx) | |
2792 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x); | |
2793 | return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
2794 | } | |
2795 | ||
2796 | /* Calculates memory address for VSCE[GF] instructions. */ | |
2797 | ||
2798 | static int | |
2799 | s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache, | |
2800 | uint8_t vx, uint8_t el, uint8_t es, uint16_t bd, | |
2801 | int8_t dh, CORE_ADDR *res) | |
2802 | { | |
2803 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2804 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
2805 | ULONGEST x; | |
2806 | gdb_byte buf[16]; | |
2807 | if (tdep->v0_full_regnum == -1 || el * es >= 16) | |
2808 | return -1; | |
2809 | if (vx < 16) | |
dca08e1f | 2810 | regcache->cooked_read (tdep->v0_full_regnum + vx, buf); |
ef8914a4 | 2811 | else |
0b883586 | 2812 | regcache->raw_read (S390_V16_REGNUM + vx - 16, buf); |
ef8914a4 PR |
2813 | x = extract_unsigned_integer (buf + el * es, es, byte_order); |
2814 | *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
2815 | return 0; | |
2816 | } | |
2817 | ||
2818 | /* Calculates memory address for instructions with relative long addressing. */ | |
2819 | ||
2820 | static CORE_ADDR | |
2821 | s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache, | |
2822 | CORE_ADDR addr, uint16_t i1, uint16_t i2) | |
2823 | { | |
2824 | int32_t ri = i1 << 16 | i2; | |
2825 | return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2); | |
2826 | } | |
2827 | ||
2828 | /* Population count helper. */ | |
2829 | ||
2830 | static int s390_popcnt (unsigned int x) { | |
2831 | int res = 0; | |
2832 | while (x) | |
2833 | { | |
2834 | if (x & 1) | |
2835 | res++; | |
2836 | x >>= 1; | |
2837 | } | |
2838 | return res; | |
2839 | } | |
2840 | ||
2841 | /* Record 64-bit register. */ | |
2842 | ||
2843 | static int | |
2844 | s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
2845 | { | |
2846 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2847 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2848 | return -1; | |
2849 | if (tdep->abi == ABI_LINUX_S390) | |
2850 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2851 | return -1; | |
2852 | return 0; | |
2853 | } | |
2854 | ||
2855 | /* Record high 32 bits of a register. */ | |
2856 | ||
2857 | static int | |
2858 | s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
2859 | { | |
2860 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2861 | if (tdep->abi == ABI_LINUX_S390) | |
2862 | { | |
2863 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2864 | return -1; | |
2865 | } | |
2866 | else | |
2867 | { | |
2868 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2869 | return -1; | |
2870 | } | |
2871 | return 0; | |
2872 | } | |
2873 | ||
2874 | /* Record vector register. */ | |
2875 | ||
2876 | static int | |
2877 | s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
2878 | { | |
2879 | if (i < 16) | |
2880 | { | |
2881 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) | |
2882 | return -1; | |
2883 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) | |
2884 | return -1; | |
2885 | } | |
2886 | else | |
2887 | { | |
2888 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16)) | |
2889 | return -1; | |
2890 | } | |
2891 | return 0; | |
2892 | } | |
2893 | ||
2894 | /* Implement process_record gdbarch method. */ | |
2895 | ||
2896 | static int | |
2897 | s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache, | |
2898 | CORE_ADDR addr) | |
2899 | { | |
2900 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2901 | uint16_t insn[3] = {0}; | |
2902 | /* Instruction as bytes. */ | |
2903 | uint8_t ibyte[6]; | |
2904 | /* Instruction as nibbles. */ | |
2905 | uint8_t inib[12]; | |
2906 | /* Instruction vector registers. */ | |
2907 | uint8_t ivec[4]; | |
2908 | CORE_ADDR oaddr, oaddr2, oaddr3; | |
2909 | ULONGEST tmp; | |
2910 | int i, n; | |
2911 | /* if EX/EXRL instruction used, here's the reg parameter */ | |
2912 | int ex = -1; | |
2913 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
2914 | ||
2915 | /* Attempting to use EX or EXRL jumps back here */ | |
2916 | ex: | |
2917 | ||
2918 | /* Read instruction. */ | |
2919 | insn[0] = read_memory_unsigned_integer (addr, 2, byte_order); | |
2920 | /* If execute was involved, do the adjustment. */ | |
2921 | if (ex != -1) | |
2922 | insn[0] |= ex & 0xff; | |
2923 | /* Two highest bits determine instruction size. */ | |
2924 | if (insn[0] >= 0x4000) | |
2925 | insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order); | |
2926 | else | |
2927 | /* Not necessary, but avoids uninitialized variable warnings. */ | |
2928 | insn[1] = 0; | |
2929 | if (insn[0] >= 0xc000) | |
2930 | insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order); | |
2931 | else | |
2932 | insn[2] = 0; | |
2933 | /* Split instruction into bytes and nibbles. */ | |
2934 | for (i = 0; i < 3; i++) | |
2935 | { | |
2936 | ibyte[i*2] = insn[i] >> 8 & 0xff; | |
2937 | ibyte[i*2+1] = insn[i] & 0xff; | |
2938 | } | |
2939 | for (i = 0; i < 6; i++) | |
2940 | { | |
2941 | inib[i*2] = ibyte[i] >> 4 & 0xf; | |
2942 | inib[i*2+1] = ibyte[i] & 0xf; | |
2943 | } | |
2944 | /* Compute vector registers, if applicable. */ | |
2945 | ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2]; | |
2946 | ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3]; | |
2947 | ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4]; | |
2948 | ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8]; | |
2949 | ||
2950 | switch (ibyte[0]) | |
2951 | { | |
2952 | /* 0x00 undefined */ | |
2953 | ||
2954 | case 0x01: | |
2955 | /* E-format instruction */ | |
2956 | switch (ibyte[1]) | |
2957 | { | |
2958 | /* 0x00 undefined */ | |
2959 | /* 0x01 unsupported: PR - program return */ | |
2960 | /* 0x02 unsupported: UPT */ | |
2961 | /* 0x03 undefined */ | |
2962 | /* 0x04 privileged: PTFF - perform timing facility function */ | |
2963 | /* 0x05-0x06 undefined */ | |
2964 | /* 0x07 privileged: SCKPF - set clock programmable field */ | |
2965 | /* 0x08-0x09 undefined */ | |
2966 | ||
2967 | case 0x0a: /* PFPO - perform floating point operation */ | |
2968 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
2969 | if (!(tmp & 0x80000000u)) | |
2970 | { | |
2971 | uint8_t ofc = tmp >> 16 & 0xff; | |
2972 | switch (ofc) | |
2973 | { | |
2974 | case 0x00: /* HFP32 */ | |
2975 | case 0x01: /* HFP64 */ | |
2976 | case 0x05: /* BFP32 */ | |
2977 | case 0x06: /* BFP64 */ | |
2978 | case 0x08: /* DFP32 */ | |
2979 | case 0x09: /* DFP64 */ | |
2980 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
2981 | return -1; | |
2982 | break; | |
2983 | case 0x02: /* HFP128 */ | |
2984 | case 0x07: /* BFP128 */ | |
2985 | case 0x0a: /* DFP128 */ | |
2986 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
2987 | return -1; | |
2988 | if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM)) | |
2989 | return -1; | |
2990 | break; | |
2991 | default: | |
2992 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n", | |
2993 | ofc, paddress (gdbarch, addr)); | |
2994 | return -1; | |
2995 | } | |
2996 | ||
2997 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
2998 | return -1; | |
2999 | } | |
3000 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
3001 | return -1; | |
3002 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3003 | return -1; | |
3004 | break; | |
3005 | ||
3006 | case 0x0b: /* TAM - test address mode */ | |
3007 | case 0x0c: /* SAM24 - set address mode 24 */ | |
3008 | case 0x0d: /* SAM31 - set address mode 31 */ | |
3009 | case 0x0e: /* SAM64 - set address mode 64 */ | |
3010 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3011 | return -1; | |
3012 | break; | |
3013 | ||
3014 | /* 0x0f-0xfe undefined */ | |
3015 | ||
3016 | /* 0xff unsupported: TRAP */ | |
3017 | ||
3018 | default: | |
3019 | goto UNKNOWN_OP; | |
3020 | } | |
3021 | break; | |
3022 | ||
3023 | /* 0x02 undefined */ | |
3024 | /* 0x03 undefined */ | |
3025 | ||
3026 | case 0x04: /* SPM - set program mask */ | |
3027 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3028 | return -1; | |
3029 | break; | |
3030 | ||
3031 | case 0x05: /* BALR - branch and link */ | |
3032 | case 0x45: /* BAL - branch and link */ | |
3033 | case 0x06: /* BCTR - branch on count */ | |
3034 | case 0x46: /* BCT - branch on count */ | |
3035 | case 0x0d: /* BASR - branch and save */ | |
3036 | case 0x4d: /* BAS - branch and save */ | |
3037 | case 0x84: /* BRXH - branch relative on index high */ | |
3038 | case 0x85: /* BRXLE - branch relative on index low or equal */ | |
3039 | case 0x86: /* BXH - branch on index high */ | |
3040 | case 0x87: /* BXLE - branch on index low or equal */ | |
3041 | /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX* | |
3042 | use 32-bit destination as counter. */ | |
3043 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3044 | return -1; | |
3045 | break; | |
3046 | ||
3047 | case 0x07: /* BCR - branch on condition */ | |
3048 | case 0x47: /* BC - branch on condition */ | |
3049 | /* No effect other than PC transfer. */ | |
3050 | break; | |
3051 | ||
3052 | /* 0x08 undefined */ | |
3053 | /* 0x09 undefined */ | |
3054 | ||
3055 | case 0x0a: | |
3056 | /* SVC - supervisor call */ | |
3057 | if (tdep->s390_syscall_record != NULL) | |
3058 | { | |
3059 | if (tdep->s390_syscall_record (regcache, ibyte[1])) | |
3060 | return -1; | |
3061 | } | |
3062 | else | |
3063 | { | |
3064 | printf_unfiltered (_("no syscall record support\n")); | |
3065 | return -1; | |
3066 | } | |
3067 | break; | |
3068 | ||
3069 | case 0x0b: /* BSM - branch and set mode */ | |
3070 | if (inib[2]) | |
3071 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3072 | return -1; | |
3073 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3074 | return -1; | |
3075 | break; | |
3076 | ||
3077 | case 0x0c: /* BASSM - branch and save and set mode */ | |
3078 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3079 | return -1; | |
3080 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3081 | return -1; | |
3082 | break; | |
3083 | ||
3084 | case 0x0e: /* MVCL - move long [interruptible] */ | |
3085 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
3086 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3087 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
3088 | tmp &= 0xffffff; | |
3089 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3090 | return -1; | |
3091 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3092 | return -1; | |
3093 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3094 | return -1; | |
3095 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3096 | return -1; | |
3097 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
3098 | return -1; | |
3099 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3100 | return -1; | |
3101 | break; | |
3102 | ||
3103 | case 0x0f: /* CLCL - compare logical long [interruptible] */ | |
3104 | case 0xa9: /* CLCLE - compare logical long extended [partial] */ | |
3105 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3106 | return -1; | |
3107 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3108 | return -1; | |
3109 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3110 | return -1; | |
3111 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
3112 | return -1; | |
3113 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3114 | return -1; | |
3115 | break; | |
3116 | ||
3117 | case 0x10: /* LPR - load positive */ | |
3118 | case 0x11: /* LNR - load negative */ | |
3119 | case 0x12: /* LTR - load and test */ | |
3120 | case 0x13: /* LCR - load complement */ | |
3121 | case 0x14: /* NR - and */ | |
3122 | case 0x16: /* OR - or */ | |
3123 | case 0x17: /* XR - xor */ | |
3124 | case 0x1a: /* AR - add */ | |
3125 | case 0x1b: /* SR - subtract */ | |
3126 | case 0x1e: /* ALR - add logical */ | |
3127 | case 0x1f: /* SLR - subtract logical */ | |
3128 | case 0x54: /* N - and */ | |
3129 | case 0x56: /* O - or */ | |
3130 | case 0x57: /* X - xor */ | |
3131 | case 0x5a: /* A - add */ | |
3132 | case 0x5b: /* S - subtract */ | |
3133 | case 0x5e: /* AL - add logical */ | |
3134 | case 0x5f: /* SL - subtract logical */ | |
3135 | case 0x4a: /* AH - add halfword */ | |
3136 | case 0x4b: /* SH - subtract halfword */ | |
3137 | case 0x8a: /* SRA - shift right single */ | |
3138 | case 0x8b: /* SLA - shift left single */ | |
3139 | case 0xbf: /* ICM - insert characters under mask */ | |
3140 | /* 32-bit destination + flags */ | |
3141 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3142 | return -1; | |
3143 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3144 | return -1; | |
3145 | break; | |
3146 | ||
3147 | case 0x15: /* CLR - compare logical */ | |
3148 | case 0x55: /* CL - compare logical */ | |
3149 | case 0x19: /* CR - compare */ | |
3150 | case 0x29: /* CDR - compare */ | |
3151 | case 0x39: /* CER - compare */ | |
3152 | case 0x49: /* CH - compare halfword */ | |
3153 | case 0x59: /* C - compare */ | |
3154 | case 0x69: /* CD - compare */ | |
3155 | case 0x79: /* CE - compare */ | |
3156 | case 0x91: /* TM - test under mask */ | |
3157 | case 0x95: /* CLI - compare logical */ | |
3158 | case 0xbd: /* CLM - compare logical under mask */ | |
3159 | case 0xd5: /* CLC - compare logical */ | |
3160 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3161 | return -1; | |
3162 | break; | |
3163 | ||
3164 | case 0x18: /* LR - load */ | |
3165 | case 0x48: /* LH - load halfword */ | |
3166 | case 0x58: /* L - load */ | |
3167 | case 0x41: /* LA - load address */ | |
3168 | case 0x43: /* IC - insert character */ | |
3169 | case 0x4c: /* MH - multiply halfword */ | |
3170 | case 0x71: /* MS - multiply single */ | |
3171 | case 0x88: /* SRL - shift right single logical */ | |
3172 | case 0x89: /* SLL - shift left single logical */ | |
3173 | /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */ | |
3174 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3175 | return -1; | |
3176 | break; | |
3177 | ||
3178 | case 0x1c: /* MR - multiply */ | |
3179 | case 0x5c: /* M - multiply */ | |
3180 | case 0x1d: /* DR - divide */ | |
3181 | case 0x5d: /* D - divide */ | |
3182 | case 0x8c: /* SRDL - shift right double logical */ | |
3183 | case 0x8d: /* SLDL - shift left double logical */ | |
3184 | /* 32-bit pair destination, no flags */ | |
3185 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3186 | return -1; | |
3187 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3188 | return -1; | |
3189 | break; | |
3190 | ||
3191 | case 0x20: /* LPDR - load positive */ | |
3192 | case 0x30: /* LPER - load positive */ | |
3193 | case 0x21: /* LNDR - load negative */ | |
3194 | case 0x31: /* LNER - load negative */ | |
3195 | case 0x22: /* LTDR - load and test */ | |
3196 | case 0x32: /* LTER - load and test */ | |
3197 | case 0x23: /* LCDR - load complement */ | |
3198 | case 0x33: /* LCER - load complement */ | |
3199 | case 0x2a: /* ADR - add */ | |
3200 | case 0x3a: /* AER - add */ | |
3201 | case 0x6a: /* AD - add */ | |
3202 | case 0x7a: /* AE - add */ | |
3203 | case 0x2b: /* SDR - subtract */ | |
3204 | case 0x3b: /* SER - subtract */ | |
3205 | case 0x6b: /* SD - subtract */ | |
3206 | case 0x7b: /* SE - subtract */ | |
3207 | case 0x2e: /* AWR - add unnormalized */ | |
3208 | case 0x3e: /* AUR - add unnormalized */ | |
3209 | case 0x6e: /* AW - add unnormalized */ | |
3210 | case 0x7e: /* AU - add unnormalized */ | |
3211 | case 0x2f: /* SWR - subtract unnormalized */ | |
3212 | case 0x3f: /* SUR - subtract unnormalized */ | |
3213 | case 0x6f: /* SW - subtract unnormalized */ | |
3214 | case 0x7f: /* SU - subtract unnormalized */ | |
3215 | /* float destination + flags */ | |
3216 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
3217 | return -1; | |
3218 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3219 | return -1; | |
3220 | break; | |
3221 | ||
3222 | case 0x24: /* HDR - halve */ | |
3223 | case 0x34: /* HER - halve */ | |
3224 | case 0x25: /* LDXR - load rounded */ | |
3225 | case 0x35: /* LEDR - load rounded */ | |
3226 | case 0x28: /* LDR - load */ | |
3227 | case 0x38: /* LER - load */ | |
3228 | case 0x68: /* LD - load */ | |
3229 | case 0x78: /* LE - load */ | |
3230 | case 0x2c: /* MDR - multiply */ | |
3231 | case 0x3c: /* MDER - multiply */ | |
3232 | case 0x6c: /* MD - multiply */ | |
3233 | case 0x7c: /* MDE - multiply */ | |
3234 | case 0x2d: /* DDR - divide */ | |
3235 | case 0x3d: /* DER - divide */ | |
3236 | case 0x6d: /* DD - divide */ | |
3237 | case 0x7d: /* DE - divide */ | |
3238 | /* float destination, no flags */ | |
3239 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
3240 | return -1; | |
3241 | break; | |
3242 | ||
3243 | case 0x26: /* MXR - multiply */ | |
3244 | case 0x27: /* MXDR - multiply */ | |
3245 | case 0x67: /* MXD - multiply */ | |
3246 | /* float pair destination, no flags */ | |
3247 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
3248 | return -1; | |
3249 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
3250 | return -1; | |
3251 | break; | |
3252 | ||
3253 | case 0x36: /* AXR - add */ | |
3254 | case 0x37: /* SXR - subtract */ | |
3255 | /* float pair destination + flags */ | |
3256 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
3257 | return -1; | |
3258 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
3259 | return -1; | |
3260 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3261 | return -1; | |
3262 | break; | |
3263 | ||
3264 | case 0x40: /* STH - store halfword */ | |
3265 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
3266 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
3267 | return -1; | |
3268 | break; | |
3269 | ||
3270 | case 0x42: /* STC - store character */ | |
3271 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
3272 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
3273 | return -1; | |
3274 | break; | |
3275 | ||
3276 | case 0x44: /* EX - execute */ | |
3277 | if (ex != -1) | |
3278 | { | |
3279 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
3280 | paddress (gdbarch, addr)); | |
3281 | return -1; | |
3282 | } | |
3283 | addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
3284 | if (inib[2]) | |
3285 | { | |
3286 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
3287 | ex = tmp & 0xff; | |
3288 | } | |
3289 | else | |
3290 | { | |
3291 | ex = 0; | |
3292 | } | |
3293 | goto ex; | |
3294 | ||
3295 | case 0x4e: /* CVD - convert to decimal */ | |
3296 | case 0x60: /* STD - store */ | |
3297 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
3298 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
3299 | return -1; | |
3300 | break; | |
3301 | ||
3302 | case 0x4f: /* CVB - convert to binary */ | |
3303 | /* 32-bit gpr destination + FPC (DXC write) */ | |
3304 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3305 | return -1; | |
3306 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3307 | return -1; | |
3308 | break; | |
3309 | ||
3310 | case 0x50: /* ST - store */ | |
3311 | case 0x70: /* STE - store */ | |
3312 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
3313 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
3314 | return -1; | |
3315 | break; | |
3316 | ||
3317 | case 0x51: /* LAE - load address extended */ | |
3318 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3319 | return -1; | |
3320 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
3321 | return -1; | |
3322 | break; | |
3323 | ||
3324 | /* 0x52 undefined */ | |
3325 | /* 0x53 undefined */ | |
3326 | ||
3327 | /* 0x61-0x66 undefined */ | |
3328 | ||
3329 | /* 0x72-0x77 undefined */ | |
3330 | ||
3331 | /* 0x80 privileged: SSM - set system mask */ | |
3332 | /* 0x81 undefined */ | |
3333 | /* 0x82 privileged: LPSW - load PSW */ | |
3334 | /* 0x83 privileged: diagnose */ | |
3335 | ||
3336 | case 0x8e: /* SRDA - shift right double */ | |
3337 | case 0x8f: /* SLDA - shift left double */ | |
3338 | /* 32-bit pair destination + flags */ | |
3339 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3340 | return -1; | |
3341 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3342 | return -1; | |
3343 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3344 | return -1; | |
3345 | break; | |
3346 | ||
3347 | case 0x90: /* STM - store multiple */ | |
3348 | case 0x9b: /* STAM - store access multiple */ | |
3349 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
3350 | if (inib[2] <= inib[3]) | |
3351 | n = inib[3] - inib[2] + 1; | |
3352 | else | |
3353 | n = inib[3] + 0x10 - inib[2] + 1; | |
3354 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
3355 | return -1; | |
3356 | break; | |
3357 | ||
3358 | case 0x92: /* MVI - move */ | |
3359 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
3360 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
3361 | return -1; | |
3362 | break; | |
3363 | ||
3364 | case 0x93: /* TS - test and set */ | |
3365 | case 0x94: /* NI - and */ | |
3366 | case 0x96: /* OI - or */ | |
3367 | case 0x97: /* XI - xor */ | |
3368 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
3369 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
3370 | return -1; | |
3371 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3372 | return -1; | |
3373 | break; | |
3374 | ||
3375 | case 0x98: /* LM - load multiple */ | |
3376 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
3377 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
3378 | return -1; | |
3379 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3380 | return -1; | |
3381 | break; | |
3382 | ||
3383 | /* 0x99 privileged: TRACE */ | |
3384 | ||
3385 | case 0x9a: /* LAM - load access multiple */ | |
3386 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
3387 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
3388 | return -1; | |
3389 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
3390 | return -1; | |
3391 | break; | |
3392 | ||
3393 | /* 0x9c-0x9f privileged and obsolete (old I/O) */ | |
3394 | /* 0xa0-0xa4 undefined */ | |
3395 | ||
3396 | case 0xa5: | |
3397 | case 0xa7: | |
3398 | /* RI-format instruction */ | |
3399 | switch (ibyte[0] << 4 | inib[3]) | |
3400 | { | |
3401 | case 0xa50: /* IIHH - insert immediate */ | |
3402 | case 0xa51: /* IIHL - insert immediate */ | |
3403 | /* high 32-bit destination */ | |
3404 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
3405 | return -1; | |
3406 | break; | |
3407 | ||
3408 | case 0xa52: /* IILH - insert immediate */ | |
3409 | case 0xa53: /* IILL - insert immediate */ | |
3410 | case 0xa75: /* BRAS - branch relative and save */ | |
3411 | case 0xa76: /* BRCT - branch relative on count */ | |
3412 | case 0xa78: /* LHI - load halfword immediate */ | |
3413 | case 0xa7c: /* MHI - multiply halfword immediate */ | |
3414 | /* 32-bit or native destination */ | |
3415 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3416 | return -1; | |
3417 | break; | |
3418 | ||
3419 | case 0xa54: /* NIHH - and immediate */ | |
3420 | case 0xa55: /* NIHL - and immediate */ | |
3421 | case 0xa58: /* OIHH - or immediate */ | |
3422 | case 0xa59: /* OIHL - or immediate */ | |
3423 | /* high 32-bit destination + flags */ | |
3424 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
3425 | return -1; | |
3426 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3427 | return -1; | |
3428 | break; | |
3429 | ||
3430 | case 0xa56: /* NILH - and immediate */ | |
3431 | case 0xa57: /* NILL - and immediate */ | |
3432 | case 0xa5a: /* OILH - or immediate */ | |
3433 | case 0xa5b: /* OILL - or immediate */ | |
3434 | case 0xa7a: /* AHI - add halfword immediate */ | |
3435 | /* 32-bit destination + flags */ | |
3436 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3437 | return -1; | |
3438 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3439 | return -1; | |
3440 | break; | |
3441 | ||
3442 | case 0xa5c: /* LLIHH - load logical immediate */ | |
3443 | case 0xa5d: /* LLIHL - load logical immediate */ | |
3444 | case 0xa5e: /* LLILH - load logical immediate */ | |
3445 | case 0xa5f: /* LLILL - load logical immediate */ | |
3446 | case 0xa77: /* BRCTG - branch relative on count */ | |
3447 | case 0xa79: /* LGHI - load halfword immediate */ | |
3448 | case 0xa7d: /* MGHI - multiply halfword immediate */ | |
3449 | /* 64-bit destination */ | |
3450 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
3451 | return -1; | |
3452 | break; | |
3453 | ||
3454 | case 0xa70: /* TMLH - test under mask */ | |
3455 | case 0xa71: /* TMLL - test under mask */ | |
3456 | case 0xa72: /* TMHH - test under mask */ | |
3457 | case 0xa73: /* TMHL - test under mask */ | |
3458 | case 0xa7e: /* CHI - compare halfword immediate */ | |
3459 | case 0xa7f: /* CGHI - compare halfword immediate */ | |
3460 | /* flags only */ | |
3461 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3462 | return -1; | |
3463 | break; | |
3464 | ||
3465 | case 0xa74: /* BRC - branch relative on condition */ | |
3466 | /* no register change */ | |
3467 | break; | |
3468 | ||
3469 | case 0xa7b: /* AGHI - add halfword immediate */ | |
3470 | /* 64-bit destination + flags */ | |
3471 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
3472 | return -1; | |
3473 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3474 | return -1; | |
3475 | break; | |
3476 | ||
3477 | default: | |
3478 | goto UNKNOWN_OP; | |
3479 | } | |
3480 | break; | |
3481 | ||
3482 | /* 0xa6 undefined */ | |
3483 | ||
3484 | case 0xa8: /* MVCLE - move long extended [partial] */ | |
3485 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
3486 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3487 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
3488 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3489 | return -1; | |
3490 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3491 | return -1; | |
3492 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3493 | return -1; | |
3494 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3495 | return -1; | |
3496 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
3497 | return -1; | |
3498 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3499 | return -1; | |
3500 | break; | |
3501 | ||
3502 | /* 0xaa-0xab undefined */ | |
3503 | /* 0xac privileged: STNSM - store then and system mask */ | |
3504 | /* 0xad privileged: STOSM - store then or system mask */ | |
3505 | /* 0xae privileged: SIGP - signal processor */ | |
3506 | /* 0xaf unsupported: MC - monitor call */ | |
3507 | /* 0xb0 undefined */ | |
3508 | /* 0xb1 privileged: LRA - load real address */ | |
3509 | ||
3510 | case 0xb2: | |
3511 | case 0xb3: | |
3512 | case 0xb9: | |
3513 | /* S/RRD/RRE/RRF/IE-format instruction */ | |
3514 | switch (insn[0]) | |
3515 | { | |
3516 | /* 0xb200-0xb204 undefined or privileged */ | |
3517 | ||
3518 | case 0xb205: /* STCK - store clock */ | |
3519 | case 0xb27c: /* STCKF - store clock fast */ | |
3520 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
3521 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
3522 | return -1; | |
3523 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3524 | return -1; | |
3525 | break; | |
3526 | ||
3527 | /* 0xb206-0xb219 undefined, privileged, or unsupported */ | |
3528 | /* 0xb21a unsupported: CFC */ | |
3529 | /* 0xb21b-0xb221 undefined or privileged */ | |
3530 | ||
3531 | case 0xb222: /* IPM - insert program mask */ | |
3532 | case 0xb24f: /* EAR - extract access */ | |
3533 | case 0xb252: /* MSR - multiply single */ | |
3534 | case 0xb2ec: /* ETND - extract transaction nesting depth */ | |
3535 | case 0xb38c: /* EFPC - extract fpc */ | |
3536 | case 0xb91f: /* LRVR - load reversed */ | |
3537 | case 0xb926: /* LBR - load byte */ | |
3538 | case 0xb927: /* LHR - load halfword */ | |
3539 | case 0xb994: /* LLCR - load logical character */ | |
3540 | case 0xb995: /* LLHR - load logical halfword */ | |
3541 | case 0xb9f2: /* LOCR - load on condition */ | |
3542 | /* 32-bit gpr destination */ | |
3543 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3544 | return -1; | |
3545 | break; | |
3546 | ||
3547 | /* 0xb223-0xb22c privileged or unsupported */ | |
3548 | ||
3549 | case 0xb22d: /* DXR - divide */ | |
3550 | case 0xb325: /* LXDR - load lengthened */ | |
3551 | case 0xb326: /* LXER - load lengthened */ | |
3552 | case 0xb336: /* SQXR - square root */ | |
3553 | case 0xb365: /* LXR - load */ | |
3554 | case 0xb367: /* FIXR - load fp integer */ | |
3555 | case 0xb376: /* LZXR - load zero */ | |
3556 | case 0xb3b6: /* CXFR - convert from fixed */ | |
3557 | case 0xb3c6: /* CXGR - convert from fixed */ | |
3558 | case 0xb3fe: /* IEXTR - insert biased exponent */ | |
3559 | /* float pair destination */ | |
3560 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3561 | return -1; | |
3562 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
3563 | return -1; | |
3564 | break; | |
3565 | ||
3566 | /* 0xb22e-0xb240 undefined, privileged, or unsupported */ | |
3567 | ||
3568 | case 0xb241: /* CKSM - checksum [partial] */ | |
3569 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3570 | return -1; | |
3571 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
3572 | return -1; | |
3573 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
3574 | return -1; | |
3575 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3576 | return -1; | |
3577 | break; | |
3578 | ||
3579 | /* 0xb242-0xb243 undefined */ | |
3580 | ||
3581 | case 0xb244: /* SQDR - square root */ | |
3582 | case 0xb245: /* SQER - square root */ | |
3583 | case 0xb324: /* LDER - load lengthened */ | |
3584 | case 0xb337: /* MEER - multiply */ | |
3585 | case 0xb366: /* LEXR - load rounded */ | |
3586 | case 0xb370: /* LPDFR - load positive */ | |
3587 | case 0xb371: /* LNDFR - load negative */ | |
3588 | case 0xb372: /* CSDFR - copy sign */ | |
3589 | case 0xb373: /* LCDFR - load complement */ | |
3590 | case 0xb374: /* LZER - load zero */ | |
3591 | case 0xb375: /* LZDR - load zero */ | |
3592 | case 0xb377: /* FIER - load fp integer */ | |
3593 | case 0xb37f: /* FIDR - load fp integer */ | |
3594 | case 0xb3b4: /* CEFR - convert from fixed */ | |
3595 | case 0xb3b5: /* CDFR - convert from fixed */ | |
3596 | case 0xb3c1: /* LDGR - load fpr from gr */ | |
3597 | case 0xb3c4: /* CEGR - convert from fixed */ | |
3598 | case 0xb3c5: /* CDGR - convert from fixed */ | |
3599 | case 0xb3f6: /* IEDTR - insert biased exponent */ | |
3600 | /* float destination */ | |
3601 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3602 | return -1; | |
3603 | break; | |
3604 | ||
3605 | /* 0xb246-0xb24c: privileged or unsupported */ | |
3606 | ||
3607 | case 0xb24d: /* CPYA - copy access */ | |
3608 | case 0xb24e: /* SAR - set access */ | |
3609 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6])) | |
3610 | return -1; | |
3611 | break; | |
3612 | ||
3613 | /* 0xb250-0xb251 undefined or privileged */ | |
3614 | /* 0xb253-0xb254 undefined or privileged */ | |
3615 | ||
3616 | case 0xb255: /* MVST - move string [partial] */ | |
3617 | { | |
3618 | uint8_t end; | |
3619 | gdb_byte cur; | |
3620 | ULONGEST num = 0; | |
3621 | /* Read ending byte. */ | |
3622 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
3623 | end = tmp & 0xff; | |
3624 | /* Get address of second operand. */ | |
3625 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp); | |
3626 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3627 | /* Search for ending byte and compute length. */ | |
3628 | do { | |
3629 | num++; | |
3630 | if (target_read_memory (oaddr, &cur, 1)) | |
3631 | return -1; | |
3632 | oaddr++; | |
3633 | } while (cur != end); | |
3634 | /* Get address of first operand and record it. */ | |
3635 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
3636 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3637 | if (record_full_arch_list_add_mem (oaddr, num)) | |
3638 | return -1; | |
3639 | /* Record the registers. */ | |
3640 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3641 | return -1; | |
3642 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
3643 | return -1; | |
3644 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3645 | return -1; | |
3646 | } | |
3647 | break; | |
3648 | ||
3649 | /* 0xb256 undefined */ | |
3650 | ||
3651 | case 0xb257: /* CUSE - compare until substring equal [interruptible] */ | |
3652 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3653 | return -1; | |
3654 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
3655 | return -1; | |
3656 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
3657 | return -1; | |
3658 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
3659 | return -1; | |
3660 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3661 | return -1; | |
3662 | break; | |
3663 | ||
3664 | /* 0xb258-0xb25c undefined, privileged, or unsupported */ | |
3665 | ||
3666 | case 0xb25d: /* CLST - compare logical string [partial] */ | |
3667 | case 0xb25e: /* SRST - search string [partial] */ | |
3668 | case 0xb9be: /* SRSTU - search string unicode [partial] */ | |
3669 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3670 | return -1; | |
3671 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
3672 | return -1; | |
3673 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3674 | return -1; | |
3675 | break; | |
3676 | ||
3677 | /* 0xb25f-0xb262 undefined */ | |
3678 | ||
3679 | case 0xb263: /* CMPSC - compression call [interruptible] */ | |
3680 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
3681 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3682 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
3683 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3684 | return -1; | |
3685 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3686 | return -1; | |
3687 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
3688 | return -1; | |
3689 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
3690 | return -1; | |
3691 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
3692 | return -1; | |
3693 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
3694 | return -1; | |
3695 | /* DXC may be written */ | |
3696 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3697 | return -1; | |
3698 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3699 | return -1; | |
3700 | break; | |
3701 | ||
3702 | /* 0xb264-0xb277 undefined, privileged, or unsupported */ | |
3703 | ||
3704 | case 0xb278: /* STCKE - store clock extended */ | |
3705 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
3706 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
3707 | return -1; | |
3708 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3709 | return -1; | |
3710 | break; | |
3711 | ||
3712 | /* 0xb279-0xb27b undefined or unsupported */ | |
3713 | /* 0xb27d-0xb298 undefined or privileged */ | |
3714 | ||
3715 | case 0xb299: /* SRNM - set rounding mode */ | |
3716 | case 0xb2b8: /* SRNMB - set bfp rounding mode */ | |
3717 | case 0xb2b9: /* SRNMT - set dfp rounding mode */ | |
3718 | case 0xb29d: /* LFPC - load fpc */ | |
3719 | case 0xb2bd: /* LFAS - load fpc and signal */ | |
3720 | case 0xb384: /* SFPC - set fpc */ | |
3721 | case 0xb385: /* SFASR - set fpc and signal */ | |
3722 | case 0xb960: /* CGRT - compare and trap */ | |
3723 | case 0xb961: /* CLGRT - compare logical and trap */ | |
3724 | case 0xb972: /* CRT - compare and trap */ | |
3725 | case 0xb973: /* CLRT - compare logical and trap */ | |
3726 | /* fpc only - including possible DXC write for trapping insns */ | |
3727 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3728 | return -1; | |
3729 | break; | |
3730 | ||
3731 | /* 0xb29a-0xb29b undefined */ | |
3732 | ||
3733 | case 0xb29c: /* STFPC - store fpc */ | |
3734 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
3735 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
3736 | return -1; | |
3737 | break; | |
3738 | ||
3739 | /* 0xb29e-0xb2a4 undefined */ | |
3740 | ||
3741 | case 0xb2a5: /* TRE - translate extended [partial] */ | |
3742 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
3743 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3744 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
3745 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3746 | return -1; | |
3747 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3748 | return -1; | |
3749 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
3750 | return -1; | |
3751 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3752 | return -1; | |
3753 | break; | |
3754 | ||
3755 | case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */ | |
3756 | case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */ | |
3757 | case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */ | |
3758 | case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */ | |
3759 | case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */ | |
3760 | case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */ | |
3761 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
3762 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3763 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
3764 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3765 | return -1; | |
3766 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
3767 | return -1; | |
3768 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
3769 | return -1; | |
3770 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
3771 | return -1; | |
3772 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
3773 | return -1; | |
3774 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3775 | return -1; | |
3776 | break; | |
3777 | ||
3778 | /* 0xb2a8-0xb2af undefined */ | |
3779 | ||
3780 | case 0xb2b0: /* STFLE - store facility list extended */ | |
3781 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
3782 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
3783 | tmp &= 0xff; | |
3784 | if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1))) | |
3785 | return -1; | |
3786 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM)) | |
3787 | return -1; | |
3788 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3789 | return -1; | |
3790 | break; | |
3791 | ||
3792 | /* 0xb2b1-0xb2b7 undefined or privileged */ | |
3793 | /* 0xb2ba-0xb2bc undefined */ | |
3794 | /* 0xb2be-0xb2e7 undefined */ | |
3795 | /* 0xb2e9-0xb2eb undefined */ | |
3796 | /* 0xb2ed-0xb2f7 undefined */ | |
3797 | /* 0xb2f8 unsupported: TEND */ | |
3798 | /* 0xb2f9 undefined */ | |
3799 | ||
3800 | case 0xb2e8: /* PPA - perform processor assist */ | |
3801 | case 0xb2fa: /* NIAI - next instruction access intent */ | |
3802 | /* no visible effects */ | |
3803 | break; | |
3804 | ||
3805 | /* 0xb2fb undefined */ | |
3806 | /* 0xb2fc unsupported: TABORT */ | |
3807 | /* 0xb2fd-0xb2fe undefined */ | |
3808 | /* 0xb2ff unsupported: TRAP */ | |
3809 | ||
3810 | case 0xb300: /* LPEBR - load positive */ | |
3811 | case 0xb301: /* LNEBR - load negative */ | |
3812 | case 0xb303: /* LCEBR - load complement */ | |
3813 | case 0xb310: /* LPDBR - load positive */ | |
3814 | case 0xb311: /* LNDBR - load negative */ | |
3815 | case 0xb313: /* LCDBR - load complement */ | |
3816 | case 0xb350: /* TBEDR - convert hfp to bfp */ | |
3817 | case 0xb351: /* TBDR - convert hfp to bfp */ | |
3818 | case 0xb358: /* THDER - convert bfp to hfp */ | |
3819 | case 0xb359: /* THDR - convert bfp to hfp */ | |
3820 | /* float destination + flags */ | |
3821 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3822 | return -1; | |
3823 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3824 | return -1; | |
3825 | break; | |
3826 | ||
3827 | case 0xb304: /* LDEBR - load lengthened */ | |
3828 | case 0xb30c: /* MDEBR - multiply */ | |
3829 | case 0xb30d: /* DEBR - divide */ | |
3830 | case 0xb314: /* SQEBR - square root */ | |
3831 | case 0xb315: /* SQDBR - square root */ | |
3832 | case 0xb317: /* MEEBR - multiply */ | |
3833 | case 0xb31c: /* MDBR - multiply */ | |
3834 | case 0xb31d: /* DDBR - divide */ | |
3835 | case 0xb344: /* LEDBRA - load rounded */ | |
3836 | case 0xb345: /* LDXBRA - load rounded */ | |
3837 | case 0xb346: /* LEXBRA - load rounded */ | |
3838 | case 0xb357: /* FIEBRA - load fp integer */ | |
3839 | case 0xb35f: /* FIDBRA - load fp integer */ | |
3840 | case 0xb390: /* CELFBR - convert from logical */ | |
3841 | case 0xb391: /* CDLFBR - convert from logical */ | |
3842 | case 0xb394: /* CEFBR - convert from fixed */ | |
3843 | case 0xb395: /* CDFBR - convert from fixed */ | |
3844 | case 0xb3a0: /* CELGBR - convert from logical */ | |
3845 | case 0xb3a1: /* CDLGBR - convert from logical */ | |
3846 | case 0xb3a4: /* CEGBR - convert from fixed */ | |
3847 | case 0xb3a5: /* CDGBR - convert from fixed */ | |
3848 | case 0xb3d0: /* MDTR - multiply */ | |
3849 | case 0xb3d1: /* DDTR - divide */ | |
3850 | case 0xb3d4: /* LDETR - load lengthened */ | |
3851 | case 0xb3d5: /* LEDTR - load lengthened */ | |
3852 | case 0xb3d7: /* FIDTR - load fp integer */ | |
3853 | case 0xb3dd: /* LDXTR - load lengthened */ | |
3854 | case 0xb3f1: /* CDGTR - convert from fixed */ | |
3855 | case 0xb3f2: /* CDUTR - convert from unsigned packed */ | |
3856 | case 0xb3f3: /* CDSTR - convert from signed packed */ | |
3857 | case 0xb3f5: /* QADTR - quantize */ | |
3858 | case 0xb3f7: /* RRDTR - reround */ | |
3859 | case 0xb951: /* CDFTR - convert from fixed */ | |
3860 | case 0xb952: /* CDLGTR - convert from logical */ | |
3861 | case 0xb953: /* CDLFTR - convert from logical */ | |
3862 | /* float destination + fpc */ | |
3863 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3864 | return -1; | |
3865 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3866 | return -1; | |
3867 | break; | |
3868 | ||
3869 | case 0xb305: /* LXDBR - load lengthened */ | |
3870 | case 0xb306: /* LXEBR - load lengthened */ | |
3871 | case 0xb307: /* MXDBR - multiply */ | |
3872 | case 0xb316: /* SQXBR - square root */ | |
3873 | case 0xb34c: /* MXBR - multiply */ | |
3874 | case 0xb34d: /* DXBR - divide */ | |
3875 | case 0xb347: /* FIXBRA - load fp integer */ | |
3876 | case 0xb392: /* CXLFBR - convert from logical */ | |
3877 | case 0xb396: /* CXFBR - convert from fixed */ | |
3878 | case 0xb3a2: /* CXLGBR - convert from logical */ | |
3879 | case 0xb3a6: /* CXGBR - convert from fixed */ | |
3880 | case 0xb3d8: /* MXTR - multiply */ | |
3881 | case 0xb3d9: /* DXTR - divide */ | |
3882 | case 0xb3dc: /* LXDTR - load lengthened */ | |
3883 | case 0xb3df: /* FIXTR - load fp integer */ | |
3884 | case 0xb3f9: /* CXGTR - convert from fixed */ | |
3885 | case 0xb3fa: /* CXUTR - convert from unsigned packed */ | |
3886 | case 0xb3fb: /* CXSTR - convert from signed packed */ | |
3887 | case 0xb3fd: /* QAXTR - quantize */ | |
3888 | case 0xb3ff: /* RRXTR - reround */ | |
3889 | case 0xb959: /* CXFTR - convert from fixed */ | |
3890 | case 0xb95a: /* CXLGTR - convert from logical */ | |
3891 | case 0xb95b: /* CXLFTR - convert from logical */ | |
3892 | /* float pair destination + fpc */ | |
3893 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3894 | return -1; | |
3895 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
3896 | return -1; | |
3897 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3898 | return -1; | |
3899 | break; | |
3900 | ||
3901 | case 0xb308: /* KEBR - compare and signal */ | |
3902 | case 0xb309: /* CEBR - compare */ | |
3903 | case 0xb318: /* KDBR - compare and signal */ | |
3904 | case 0xb319: /* CDBR - compare */ | |
3905 | case 0xb348: /* KXBR - compare and signal */ | |
3906 | case 0xb349: /* CXBR - compare */ | |
3907 | case 0xb3e0: /* KDTR - compare and signal */ | |
3908 | case 0xb3e4: /* CDTR - compare */ | |
3909 | case 0xb3e8: /* KXTR - compare and signal */ | |
3910 | case 0xb3ec: /* CXTR - compare */ | |
3911 | /* flags + fpc only */ | |
3912 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3913 | return -1; | |
3914 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3915 | return -1; | |
3916 | break; | |
3917 | ||
3918 | case 0xb302: /* LTEBR - load and test */ | |
3919 | case 0xb312: /* LTDBR - load and test */ | |
3920 | case 0xb30a: /* AEBR - add */ | |
3921 | case 0xb30b: /* SEBR - subtract */ | |
3922 | case 0xb31a: /* ADBR - add */ | |
3923 | case 0xb31b: /* SDBR - subtract */ | |
3924 | case 0xb3d2: /* ADTR - add */ | |
3925 | case 0xb3d3: /* SDTR - subtract */ | |
3926 | case 0xb3d6: /* LTDTR - load and test */ | |
3927 | /* float destination + flags + fpc */ | |
3928 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3929 | return -1; | |
3930 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3931 | return -1; | |
3932 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3933 | return -1; | |
3934 | break; | |
3935 | ||
3936 | case 0xb30e: /* MAEBR - multiply and add */ | |
3937 | case 0xb30f: /* MSEBR - multiply and subtract */ | |
3938 | case 0xb31e: /* MADBR - multiply and add */ | |
3939 | case 0xb31f: /* MSDBR - multiply and subtract */ | |
3940 | /* float destination [RRD] + fpc */ | |
3941 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
3942 | return -1; | |
3943 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3944 | return -1; | |
3945 | break; | |
3946 | ||
3947 | /* 0xb320-0xb323 undefined */ | |
3948 | /* 0xb327-0xb32d undefined */ | |
3949 | ||
3950 | case 0xb32e: /* MAER - multiply and add */ | |
3951 | case 0xb32f: /* MSER - multiply and subtract */ | |
3952 | case 0xb338: /* MAYLR - multiply and add unnormalized */ | |
3953 | case 0xb339: /* MYLR - multiply unnormalized */ | |
3954 | case 0xb33c: /* MAYHR - multiply and add unnormalized */ | |
3955 | case 0xb33d: /* MYHR - multiply unnormalized */ | |
3956 | case 0xb33e: /* MADR - multiply and add */ | |
3957 | case 0xb33f: /* MSDR - multiply and subtract */ | |
3958 | /* float destination [RRD] */ | |
3959 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
3960 | return -1; | |
3961 | break; | |
3962 | ||
3963 | /* 0xb330-0xb335 undefined */ | |
3964 | ||
3965 | case 0xb33a: /* MAYR - multiply and add unnormalized */ | |
3966 | case 0xb33b: /* MYR - multiply unnormalized */ | |
3967 | /* float pair destination [RRD] */ | |
3968 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
3969 | return -1; | |
3970 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2))) | |
3971 | return -1; | |
3972 | break; | |
3973 | ||
3974 | case 0xb340: /* LPXBR - load positive */ | |
3975 | case 0xb341: /* LNXBR - load negative */ | |
3976 | case 0xb343: /* LCXBR - load complement */ | |
3977 | case 0xb360: /* LPXR - load positive */ | |
3978 | case 0xb361: /* LNXR - load negative */ | |
3979 | case 0xb362: /* LTXR - load and test */ | |
3980 | case 0xb363: /* LCXR - load complement */ | |
3981 | /* float pair destination + flags */ | |
3982 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3983 | return -1; | |
3984 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
3985 | return -1; | |
3986 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3987 | return -1; | |
3988 | break; | |
3989 | ||
3990 | case 0xb342: /* LTXBR - load and test */ | |
3991 | case 0xb34a: /* AXBR - add */ | |
3992 | case 0xb34b: /* SXBR - subtract */ | |
3993 | case 0xb3da: /* AXTR - add */ | |
3994 | case 0xb3db: /* SXTR - subtract */ | |
3995 | case 0xb3de: /* LTXTR - load and test */ | |
3996 | /* float pair destination + flags + fpc */ | |
3997 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
3998 | return -1; | |
3999 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4000 | return -1; | |
4001 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4002 | return -1; | |
4003 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4004 | return -1; | |
4005 | break; | |
4006 | ||
4007 | /* 0xb34e-0xb34f undefined */ | |
4008 | /* 0xb352 undefined */ | |
4009 | ||
4010 | case 0xb353: /* DIEBR - divide to integer */ | |
4011 | case 0xb35b: /* DIDBR - divide to integer */ | |
4012 | /* two float destinations + flags + fpc */ | |
4013 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4014 | return -1; | |
4015 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4016 | return -1; | |
4017 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4018 | return -1; | |
4019 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4020 | return -1; | |
4021 | break; | |
4022 | ||
4023 | /* 0xb354-0xb356 undefined */ | |
4024 | /* 0xb35a undefined */ | |
4025 | ||
4026 | /* 0xb35c-0xb35e undefined */ | |
4027 | /* 0xb364 undefined */ | |
4028 | /* 0xb368 undefined */ | |
4029 | ||
4030 | case 0xb369: /* CXR - compare */ | |
4031 | case 0xb3f4: /* CEDTR - compare biased exponent */ | |
4032 | case 0xb3fc: /* CEXTR - compare biased exponent */ | |
4033 | case 0xb920: /* CGR - compare */ | |
4034 | case 0xb921: /* CLGR - compare logical */ | |
4035 | case 0xb930: /* CGFR - compare */ | |
4036 | case 0xb931: /* CLGFR - compare logical */ | |
4037 | case 0xb9cd: /* CHHR - compare high */ | |
4038 | case 0xb9cf: /* CLHHR - compare logical high */ | |
4039 | case 0xb9dd: /* CHLR - compare high */ | |
4040 | case 0xb9df: /* CLHLR - compare logical high */ | |
4041 | /* flags only */ | |
4042 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4043 | return -1; | |
4044 | break; | |
4045 | ||
4046 | /* 0xb36a-0xb36f undefined */ | |
4047 | /* 0xb377-0xb37e undefined */ | |
4048 | /* 0xb380-0xb383 undefined */ | |
4049 | /* 0xb386-0xb38b undefined */ | |
4050 | /* 0xb38d-0xb38f undefined */ | |
4051 | /* 0xb393 undefined */ | |
4052 | /* 0xb397 undefined */ | |
4053 | ||
4054 | case 0xb398: /* CFEBR - convert to fixed */ | |
4055 | case 0xb399: /* CFDBR - convert to fixed */ | |
4056 | case 0xb39a: /* CFXBR - convert to fixed */ | |
4057 | case 0xb39c: /* CLFEBR - convert to logical */ | |
4058 | case 0xb39d: /* CLFDBR - convert to logical */ | |
4059 | case 0xb39e: /* CLFXBR - convert to logical */ | |
4060 | case 0xb941: /* CFDTR - convert to fixed */ | |
4061 | case 0xb949: /* CFXTR - convert to fixed */ | |
4062 | case 0xb943: /* CLFDTR - convert to logical */ | |
4063 | case 0xb94b: /* CLFXTR - convert to logical */ | |
4064 | /* 32-bit gpr destination + flags + fpc */ | |
4065 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4066 | return -1; | |
4067 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4068 | return -1; | |
4069 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4070 | return -1; | |
4071 | break; | |
4072 | ||
4073 | /* 0xb39b undefined */ | |
4074 | /* 0xb39f undefined */ | |
4075 | ||
4076 | /* 0xb3a3 undefined */ | |
4077 | /* 0xb3a7 undefined */ | |
4078 | ||
4079 | case 0xb3a8: /* CGEBR - convert to fixed */ | |
4080 | case 0xb3a9: /* CGDBR - convert to fixed */ | |
4081 | case 0xb3aa: /* CGXBR - convert to fixed */ | |
4082 | case 0xb3ac: /* CLGEBR - convert to logical */ | |
4083 | case 0xb3ad: /* CLGDBR - convert to logical */ | |
4084 | case 0xb3ae: /* CLGXBR - convert to logical */ | |
4085 | case 0xb3e1: /* CGDTR - convert to fixed */ | |
4086 | case 0xb3e9: /* CGXTR - convert to fixed */ | |
4087 | case 0xb942: /* CLGDTR - convert to logical */ | |
4088 | case 0xb94a: /* CLGXTR - convert to logical */ | |
4089 | /* 64-bit gpr destination + flags + fpc */ | |
4090 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4091 | return -1; | |
4092 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4093 | return -1; | |
4094 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4095 | return -1; | |
4096 | break; | |
4097 | ||
4098 | /* 0xb3ab undefined */ | |
4099 | /* 0xb3af-0xb3b3 undefined */ | |
4100 | /* 0xb3b7 undefined */ | |
4101 | ||
4102 | case 0xb3b8: /* CFER - convert to fixed */ | |
4103 | case 0xb3b9: /* CFDR - convert to fixed */ | |
4104 | case 0xb3ba: /* CFXR - convert to fixed */ | |
4105 | case 0xb998: /* ALCR - add logical with carry */ | |
4106 | case 0xb999: /* SLBR - subtract logical with borrow */ | |
4107 | case 0xb9f4: /* NRK - and */ | |
4108 | case 0xb9f6: /* ORK - or */ | |
4109 | case 0xb9f7: /* XRK - xor */ | |
4110 | case 0xb9f8: /* ARK - add */ | |
4111 | case 0xb9f9: /* SRK - subtract */ | |
4112 | case 0xb9fa: /* ALRK - add logical */ | |
4113 | case 0xb9fb: /* SLRK - subtract logical */ | |
4114 | /* 32-bit gpr destination + flags */ | |
4115 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4116 | return -1; | |
4117 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4118 | return -1; | |
4119 | break; | |
4120 | ||
4121 | case 0xb3c8: /* CGER - convert to fixed */ | |
4122 | case 0xb3c9: /* CGDR - convert to fixed */ | |
4123 | case 0xb3ca: /* CGXR - convert to fixed */ | |
4124 | case 0xb900: /* LPGR - load positive */ | |
4125 | case 0xb901: /* LNGR - load negative */ | |
4126 | case 0xb902: /* LTGR - load and test */ | |
4127 | case 0xb903: /* LCGR - load complement */ | |
4128 | case 0xb908: /* AGR - add */ | |
4129 | case 0xb909: /* SGR - subtract */ | |
4130 | case 0xb90a: /* ALGR - add logical */ | |
4131 | case 0xb90b: /* SLGR - subtract logical */ | |
4132 | case 0xb910: /* LPGFR - load positive */ | |
4133 | case 0xb911: /* LNGFR - load negative */ | |
4134 | case 0xb912: /* LTGFR - load and test */ | |
4135 | case 0xb913: /* LCGFR - load complement */ | |
4136 | case 0xb918: /* AGFR - add */ | |
4137 | case 0xb919: /* SGFR - subtract */ | |
4138 | case 0xb91a: /* ALGFR - add logical */ | |
4139 | case 0xb91b: /* SLGFR - subtract logical */ | |
4140 | case 0xb980: /* NGR - and */ | |
4141 | case 0xb981: /* OGR - or */ | |
4142 | case 0xb982: /* XGR - xor */ | |
4143 | case 0xb988: /* ALCGR - add logical with carry */ | |
4144 | case 0xb989: /* SLBGR - subtract logical with borrow */ | |
4145 | case 0xb9e1: /* POPCNT - population count */ | |
4146 | case 0xb9e4: /* NGRK - and */ | |
4147 | case 0xb9e6: /* OGRK - or */ | |
4148 | case 0xb9e7: /* XGRK - xor */ | |
4149 | case 0xb9e8: /* AGRK - add */ | |
4150 | case 0xb9e9: /* SGRK - subtract */ | |
4151 | case 0xb9ea: /* ALGRK - add logical */ | |
4152 | case 0xb9eb: /* SLGRK - subtract logical */ | |
4153 | case 0xb9ed: /* MSGRKC - multiply single 64x64 -> 64 */ | |
4154 | case 0xb9fd: /* MSRKC - multiply single 32x32 -> 32 */ | |
4155 | /* 64-bit gpr destination + flags */ | |
4156 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4157 | return -1; | |
4158 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4159 | return -1; | |
4160 | break; | |
4161 | ||
4162 | /* 0xb3bb-0xb3c0 undefined */ | |
4163 | /* 0xb3c2-0xb3c3 undefined */ | |
4164 | /* 0xb3c7 undefined */ | |
4165 | /* 0xb3cb-0xb3cc undefined */ | |
4166 | ||
4167 | case 0xb3cd: /* LGDR - load gr from fpr */ | |
4168 | case 0xb3e2: /* CUDTR - convert to unsigned packed */ | |
4169 | case 0xb3e3: /* CSDTR - convert to signed packed */ | |
4170 | case 0xb3e5: /* EEDTR - extract biased exponent */ | |
4171 | case 0xb3e7: /* ESDTR - extract significance */ | |
4172 | case 0xb3ed: /* EEXTR - extract biased exponent */ | |
4173 | case 0xb3ef: /* ESXTR - extract significance */ | |
4174 | case 0xb904: /* LGR - load */ | |
4175 | case 0xb906: /* LGBR - load byte */ | |
4176 | case 0xb907: /* LGHR - load halfword */ | |
4177 | case 0xb90c: /* MSGR - multiply single */ | |
4178 | case 0xb90f: /* LRVGR - load reversed */ | |
4179 | case 0xb914: /* LGFR - load */ | |
4180 | case 0xb916: /* LLGFR - load logical */ | |
4181 | case 0xb917: /* LLGTR - load logical thirty one bits */ | |
4182 | case 0xb91c: /* MSGFR - multiply single 64<32 */ | |
4183 | case 0xb946: /* BCTGR - branch on count */ | |
4184 | case 0xb984: /* LLGCR - load logical character */ | |
4185 | case 0xb985: /* LLGHR - load logical halfword */ | |
4186 | case 0xb9e2: /* LOCGR - load on condition */ | |
4187 | /* 64-bit gpr destination */ | |
4188 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4189 | return -1; | |
4190 | break; | |
4191 | ||
4192 | /* 0xb3ce-0xb3cf undefined */ | |
4193 | /* 0xb3e6 undefined */ | |
4194 | ||
4195 | case 0xb3ea: /* CUXTR - convert to unsigned packed */ | |
4196 | case 0xb3eb: /* CSXTR - convert to signed packed */ | |
4197 | case 0xb90d: /* DSGR - divide single */ | |
4198 | case 0xb91d: /* DSGFR - divide single */ | |
4199 | case 0xb986: /* MLGR - multiply logical */ | |
4200 | case 0xb987: /* DLGR - divide logical */ | |
4201 | case 0xb9ec: /* MGRK - multiply 64x64 -> 128 */ | |
4202 | /* 64-bit gpr pair destination */ | |
4203 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4204 | return -1; | |
4205 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
4206 | return -1; | |
4207 | break; | |
4208 | ||
4209 | /* 0xb3ee undefined */ | |
4210 | /* 0xb3f0 undefined */ | |
4211 | /* 0xb3f8 undefined */ | |
4212 | ||
4213 | /* 0xb905 privileged */ | |
4214 | ||
4215 | /* 0xb90e unsupported: EREGG */ | |
4216 | ||
4217 | /* 0xb915 undefined */ | |
4218 | ||
4219 | case 0xb91e: /* KMAC - compute message authentication code [partial] */ | |
4220 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
4221 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4222 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4223 | tmp &= 0xff; | |
4224 | switch (tmp) | |
4225 | { | |
4226 | case 0x00: /* KMAC-Query */ | |
4227 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4228 | return -1; | |
4229 | break; | |
4230 | ||
4231 | case 0x01: /* KMAC-DEA */ | |
4232 | case 0x02: /* KMAC-TDEA-128 */ | |
4233 | case 0x03: /* KMAC-TDEA-192 */ | |
4234 | case 0x09: /* KMAC-Encrypted-DEA */ | |
4235 | case 0x0a: /* KMAC-Encrypted-TDEA-128 */ | |
4236 | case 0x0b: /* KMAC-Encrypted-TDEA-192 */ | |
4237 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4238 | return -1; | |
4239 | break; | |
4240 | ||
4241 | case 0x12: /* KMAC-AES-128 */ | |
4242 | case 0x13: /* KMAC-AES-192 */ | |
4243 | case 0x14: /* KMAC-AES-256 */ | |
4244 | case 0x1a: /* KMAC-Encrypted-AES-128 */ | |
4245 | case 0x1b: /* KMAC-Encrypted-AES-192 */ | |
4246 | case 0x1c: /* KMAC-Encrypted-AES-256 */ | |
4247 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4248 | return -1; | |
4249 | break; | |
4250 | ||
4251 | default: | |
4252 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
4253 | (int)tmp, paddress (gdbarch, addr)); | |
4254 | return -1; | |
4255 | } | |
4256 | if (tmp != 0) | |
4257 | { | |
4258 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4259 | return -1; | |
4260 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4261 | return -1; | |
4262 | } | |
4263 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4264 | return -1; | |
4265 | break; | |
4266 | ||
4267 | /* 0xb922-0xb924 undefined */ | |
4268 | /* 0xb925 privileged */ | |
4269 | /* 0xb928 privileged */ | |
4270 | ||
4271 | case 0xb929: /* KMA - cipher message with authentication */ | |
4272 | case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */ | |
4273 | case 0xb92b: /* KMO - cipher message with output feedback [partial] */ | |
4274 | case 0xb92f: /* KMC - cipher message with chaining [partial] */ | |
4275 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
4276 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4277 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4278 | tmp &= 0x7f; | |
4279 | switch (tmp) | |
4280 | { | |
4281 | case 0x00: /* KM*-Query */ | |
4282 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4283 | return -1; | |
4284 | break; | |
4285 | ||
4286 | case 0x01: /* KM*-DEA */ | |
4287 | case 0x02: /* KM*-TDEA-128 */ | |
4288 | case 0x03: /* KM*-TDEA-192 */ | |
4289 | case 0x09: /* KM*-Encrypted-DEA */ | |
4290 | case 0x0a: /* KM*-Encrypted-TDEA-128 */ | |
4291 | case 0x0b: /* KM*-Encrypted-TDEA-192 */ | |
4292 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4293 | return -1; | |
4294 | break; | |
4295 | ||
4296 | case 0x12: /* KM*-AES-128 */ | |
4297 | case 0x13: /* KM*-AES-192 */ | |
4298 | case 0x14: /* KM*-AES-256 */ | |
4299 | case 0x1a: /* KM*-Encrypted-AES-128 */ | |
4300 | case 0x1b: /* KM*-Encrypted-AES-192 */ | |
4301 | case 0x1c: /* KM*-Encrypted-AES-256 */ | |
4302 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4303 | return -1; | |
4304 | break; | |
4305 | ||
4306 | case 0x43: /* KMC-PRNG */ | |
4307 | /* Only valid for KMC. */ | |
4308 | if (insn[0] == 0xb92f) | |
4309 | { | |
4310 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4311 | return -1; | |
4312 | break; | |
4313 | } | |
86a73007 TT |
4314 | /* For other instructions... */ |
4315 | /* Fall through. */ | |
ef8914a4 PR |
4316 | default: |
4317 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n", | |
4318 | (int)tmp, paddress (gdbarch, addr)); | |
4319 | return -1; | |
4320 | } | |
4321 | if (tmp != 0) | |
4322 | { | |
4323 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4324 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
4325 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
4326 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
4327 | return -1; | |
4328 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4329 | return -1; | |
4330 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4331 | return -1; | |
4332 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4333 | return -1; | |
4334 | } | |
4335 | if (tmp != 0 && insn[0] == 0xb929) | |
4336 | { | |
4337 | if (record_full_arch_list_add_reg (regcache, | |
4338 | S390_R0_REGNUM + inib[4])) | |
4339 | return -1; | |
4340 | if (record_full_arch_list_add_reg (regcache, | |
4341 | S390_R0_REGNUM + (inib[4] | 1))) | |
4342 | return -1; | |
4343 | } | |
4344 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4345 | return -1; | |
4346 | break; | |
4347 | ||
4348 | case 0xb92c: /* PCC - perform cryptographic computation [partial] */ | |
4349 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
4350 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4351 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4352 | tmp &= 0x7f; | |
4353 | switch (tmp) | |
4354 | { | |
4355 | case 0x00: /* PCC-Query */ | |
4356 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4357 | return -1; | |
4358 | break; | |
4359 | ||
4360 | case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */ | |
4361 | case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */ | |
4362 | case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */ | |
4363 | case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */ | |
4364 | case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */ | |
4365 | case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */ | |
4366 | if (record_full_arch_list_add_mem (oaddr + 0x10, 8)) | |
4367 | return -1; | |
4368 | break; | |
4369 | ||
4370 | case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */ | |
4371 | case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */ | |
4372 | case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */ | |
4373 | case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */ | |
4374 | case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */ | |
4375 | case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */ | |
4376 | if (record_full_arch_list_add_mem (oaddr + 0x18, 16)) | |
4377 | return -1; | |
4378 | break; | |
4379 | ||
4380 | case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */ | |
4381 | if (record_full_arch_list_add_mem (oaddr + 0x30, 32)) | |
4382 | return -1; | |
4383 | break; | |
4384 | ||
4385 | case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */ | |
4386 | if (record_full_arch_list_add_mem (oaddr + 0x40, 32)) | |
4387 | return -1; | |
4388 | break; | |
4389 | ||
4390 | case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */ | |
4391 | if (record_full_arch_list_add_mem (oaddr + 0x50, 32)) | |
4392 | return -1; | |
4393 | break; | |
4394 | ||
4395 | case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */ | |
4396 | if (record_full_arch_list_add_mem (oaddr + 0x60, 32)) | |
4397 | return -1; | |
4398 | break; | |
4399 | ||
4400 | default: | |
4401 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n", | |
4402 | (int)tmp, paddress (gdbarch, addr)); | |
4403 | return -1; | |
4404 | } | |
4405 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4406 | return -1; | |
4407 | break; | |
4408 | ||
4409 | case 0xb92d: /* KMCTR - cipher message with counter [partial] */ | |
4410 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
4411 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4412 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4413 | tmp &= 0x7f; | |
4414 | switch (tmp) | |
4415 | { | |
4416 | case 0x00: /* KMCTR-Query */ | |
4417 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4418 | return -1; | |
4419 | break; | |
4420 | ||
4421 | case 0x01: /* KMCTR-DEA */ | |
4422 | case 0x02: /* KMCTR-TDEA-128 */ | |
4423 | case 0x03: /* KMCTR-TDEA-192 */ | |
4424 | case 0x09: /* KMCTR-Encrypted-DEA */ | |
4425 | case 0x0a: /* KMCTR-Encrypted-TDEA-128 */ | |
4426 | case 0x0b: /* KMCTR-Encrypted-TDEA-192 */ | |
4427 | case 0x12: /* KMCTR-AES-128 */ | |
4428 | case 0x13: /* KMCTR-AES-192 */ | |
4429 | case 0x14: /* KMCTR-AES-256 */ | |
4430 | case 0x1a: /* KMCTR-Encrypted-AES-128 */ | |
4431 | case 0x1b: /* KMCTR-Encrypted-AES-192 */ | |
4432 | case 0x1c: /* KMCTR-Encrypted-AES-256 */ | |
4433 | break; | |
4434 | ||
4435 | default: | |
4436 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n", | |
4437 | (int)tmp, paddress (gdbarch, addr)); | |
4438 | return -1; | |
4439 | } | |
4440 | if (tmp != 0) | |
4441 | { | |
4442 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4443 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
4444 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
4445 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
4446 | return -1; | |
4447 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4448 | return -1; | |
4449 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4450 | return -1; | |
4451 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4452 | return -1; | |
4453 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4])) | |
4454 | return -1; | |
4455 | } | |
4456 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4457 | return -1; | |
4458 | break; | |
4459 | ||
4460 | case 0xb92e: /* KM - cipher message [partial] */ | |
4461 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
4462 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4463 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4464 | tmp &= 0x7f; | |
4465 | switch (tmp) | |
4466 | { | |
4467 | case 0x00: /* KM-Query */ | |
4468 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4469 | return -1; | |
4470 | break; | |
4471 | ||
4472 | case 0x01: /* KM-DEA */ | |
4473 | case 0x02: /* KM-TDEA-128 */ | |
4474 | case 0x03: /* KM-TDEA-192 */ | |
4475 | case 0x09: /* KM-Encrypted-DEA */ | |
4476 | case 0x0a: /* KM-Encrypted-TDEA-128 */ | |
4477 | case 0x0b: /* KM-Encrypted-TDEA-192 */ | |
4478 | case 0x12: /* KM-AES-128 */ | |
4479 | case 0x13: /* KM-AES-192 */ | |
4480 | case 0x14: /* KM-AES-256 */ | |
4481 | case 0x1a: /* KM-Encrypted-AES-128 */ | |
4482 | case 0x1b: /* KM-Encrypted-AES-192 */ | |
4483 | case 0x1c: /* KM-Encrypted-AES-256 */ | |
4484 | break; | |
4485 | ||
4486 | case 0x32: /* KM-XTS-AES-128 */ | |
4487 | if (record_full_arch_list_add_mem (oaddr + 0x10, 16)) | |
4488 | return -1; | |
4489 | break; | |
4490 | ||
4491 | case 0x34: /* KM-XTS-AES-256 */ | |
4492 | if (record_full_arch_list_add_mem (oaddr + 0x20, 16)) | |
4493 | return -1; | |
4494 | break; | |
4495 | ||
4496 | case 0x3a: /* KM-XTS-Encrypted-AES-128 */ | |
4497 | if (record_full_arch_list_add_mem (oaddr + 0x30, 16)) | |
4498 | return -1; | |
4499 | break; | |
4500 | ||
4501 | case 0x3c: /* KM-XTS-Encrypted-AES-256 */ | |
4502 | if (record_full_arch_list_add_mem (oaddr + 0x40, 16)) | |
4503 | return -1; | |
4504 | break; | |
4505 | ||
4506 | default: | |
4507 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n", | |
4508 | (int)tmp, paddress (gdbarch, addr)); | |
4509 | return -1; | |
4510 | } | |
4511 | if (tmp != 0) | |
4512 | { | |
4513 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4514 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
4515 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
4516 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
4517 | return -1; | |
4518 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4519 | return -1; | |
4520 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4521 | return -1; | |
4522 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4523 | return -1; | |
4524 | } | |
4525 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4526 | return -1; | |
4527 | break; | |
4528 | ||
4529 | /* 0xb932-0xb93b undefined */ | |
4530 | ||
4531 | case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */ | |
4532 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
4533 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4534 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4535 | tmp &= 0xff; | |
4536 | switch (tmp) | |
4537 | { | |
4538 | case 0x00: /* PPNO-Query */ | |
4539 | case 0x80: /* PPNO-Query */ | |
4540 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4541 | return -1; | |
4542 | break; | |
4543 | ||
4544 | case 0x03: /* PPNO-SHA-512-DRNG - generate */ | |
4545 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
4546 | return -1; | |
4547 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4548 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
4549 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4550 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
4551 | return -1; | |
4552 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4553 | return -1; | |
4554 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4555 | return -1; | |
4556 | break; | |
4557 | ||
4558 | case 0x83: /* PPNO-SHA-512-DRNG - seed */ | |
4559 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
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 | break; | |
4566 | ||
4567 | default: | |
4568 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n", | |
4569 | (int)tmp, paddress (gdbarch, addr)); | |
4570 | return -1; | |
4571 | } | |
4572 | /* DXC may be written */ | |
4573 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4574 | return -1; | |
4575 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4576 | return -1; | |
4577 | break; | |
4578 | ||
4579 | /* 0xb93d undefined */ | |
4580 | ||
4581 | case 0xb93e: /* KIMD - compute intermediate message digest [partial] */ | |
4582 | case 0xb93f: /* KLMD - compute last message digest [partial] */ | |
4583 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
4584 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4585 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4586 | tmp &= 0xff; | |
4587 | switch (tmp) | |
4588 | { | |
4589 | case 0x00: /* K*MD-Query */ | |
4590 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4591 | return -1; | |
4592 | break; | |
4593 | ||
4594 | case 0x01: /* K*MD-SHA-1 */ | |
4595 | if (record_full_arch_list_add_mem (oaddr, 20)) | |
4596 | return -1; | |
4597 | break; | |
4598 | ||
4599 | case 0x02: /* K*MD-SHA-256 */ | |
4600 | if (record_full_arch_list_add_mem (oaddr, 32)) | |
4601 | return -1; | |
4602 | break; | |
4603 | ||
4604 | case 0x03: /* K*MD-SHA-512 */ | |
4605 | if (record_full_arch_list_add_mem (oaddr, 64)) | |
4606 | return -1; | |
4607 | break; | |
4608 | ||
4609 | case 0x41: /* KIMD-GHASH */ | |
4610 | /* Only valid for KIMD. */ | |
4611 | if (insn[0] == 0xb93e) | |
4612 | { | |
4613 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4614 | return -1; | |
4615 | break; | |
4616 | } | |
86a73007 TT |
4617 | /* For KLMD... */ |
4618 | /* Fall through. */ | |
ef8914a4 PR |
4619 | default: |
4620 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
4621 | (int)tmp, paddress (gdbarch, addr)); | |
4622 | return -1; | |
4623 | } | |
4624 | if (tmp != 0) | |
4625 | { | |
4626 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4627 | return -1; | |
4628 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4629 | return -1; | |
4630 | } | |
4631 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4632 | return -1; | |
4633 | break; | |
4634 | ||
4635 | /* 0xb940 undefined */ | |
4636 | /* 0xb944-0xb945 undefined */ | |
4637 | /* 0xb947-0xb948 undefined */ | |
4638 | /* 0xb94c-0xb950 undefined */ | |
4639 | /* 0xb954-0xb958 undefined */ | |
4640 | /* 0xb95c-0xb95f undefined */ | |
4641 | /* 0xb962-0xb971 undefined */ | |
4642 | /* 0xb974-0xb97f undefined */ | |
4643 | ||
4644 | case 0xb983: /* FLOGR - find leftmost one */ | |
4645 | /* 64-bit gpr pair destination + flags */ | |
4646 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4647 | return -1; | |
4648 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
4649 | return -1; | |
4650 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4651 | return -1; | |
4652 | break; | |
4653 | ||
4654 | /* 0xb98a privileged */ | |
4655 | /* 0xb98b-0xb98c undefined */ | |
4656 | ||
4657 | case 0xb98d: /* EPSW - extract psw */ | |
4658 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4659 | return -1; | |
4660 | if (inib[7]) | |
4661 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4662 | return -1; | |
4663 | break; | |
4664 | ||
4665 | /* 0xb98e-0xb98f privileged */ | |
4666 | ||
4667 | case 0xb990: /* TRTT - translate two to two [partial] */ | |
4668 | case 0xb991: /* TRTO - translate two to one [partial] */ | |
4669 | case 0xb992: /* TROT - translate one to two [partial] */ | |
4670 | case 0xb993: /* TROO - translate one to one [partial] */ | |
4671 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4672 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4673 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4674 | /* tmp is source length, we want destination length. Adjust. */ | |
4675 | if (insn[0] == 0xb991) | |
4676 | tmp >>= 1; | |
4677 | if (insn[0] == 0xb992) | |
4678 | tmp <<= 1; | |
4679 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4680 | return -1; | |
4681 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4682 | return -1; | |
4683 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4684 | return -1; | |
4685 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4686 | return -1; | |
4687 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4688 | return -1; | |
4689 | break; | |
4690 | ||
4691 | case 0xb996: /* MLR - multiply logical */ | |
4692 | case 0xb997: /* DLR - divide logical */ | |
4693 | /* 32-bit gpr pair destination */ | |
4694 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4695 | return -1; | |
4696 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4697 | return -1; | |
4698 | break; | |
4699 | ||
4700 | /* 0xb99a-0xb9af unsupported, privileged, or undefined */ | |
4701 | /* 0xb9b4-0xb9bc undefined */ | |
4702 | ||
4703 | case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */ | |
4704 | case 0xb9bf: /* TRTE - translate and test extended [partial] */ | |
4705 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4706 | return -1; | |
4707 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4708 | return -1; | |
4709 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4710 | return -1; | |
4711 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4712 | return -1; | |
4713 | break; | |
4714 | ||
4715 | /* 0xb9c0-0xb9c7 undefined */ | |
4716 | ||
4717 | case 0xb9c8: /* AHHHR - add high */ | |
4718 | case 0xb9c9: /* SHHHR - subtract high */ | |
4719 | case 0xb9ca: /* ALHHHR - add logical high */ | |
4720 | case 0xb9cb: /* SLHHHR - subtract logical high */ | |
4721 | case 0xb9d8: /* AHHLR - add high */ | |
4722 | case 0xb9d9: /* SHHLR - subtract high */ | |
4723 | case 0xb9da: /* ALHHLR - add logical high */ | |
4724 | case 0xb9db: /* SLHHLR - subtract logical high */ | |
4725 | /* 32-bit high gpr destination + flags */ | |
4726 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
4727 | return -1; | |
4728 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4729 | return -1; | |
4730 | break; | |
4731 | ||
4732 | /* 0xb9cc undefined */ | |
4733 | /* 0xb9ce undefined */ | |
4734 | /* 0xb9d0-0xb9d7 undefined */ | |
4735 | /* 0xb9dc undefined */ | |
4736 | /* 0xb9de undefined */ | |
4737 | ||
4738 | case 0xb9e0: /* LOCFHR - load high on condition */ | |
4739 | /* 32-bit high gpr destination */ | |
4740 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
4741 | return -1; | |
4742 | break; | |
4743 | ||
4744 | /* 0xb9e3 undefined */ | |
4745 | /* 0xb9e5 undefined */ | |
4746 | /* 0xb9ee-0xb9f1 undefined */ | |
4747 | /* 0xb9f3 undefined */ | |
4748 | /* 0xb9f5 undefined */ | |
4749 | /* 0xb9fc undefined */ | |
4750 | /* 0xb9fe -0xb9ff undefined */ | |
4751 | ||
4752 | default: | |
4753 | goto UNKNOWN_OP; | |
4754 | } | |
4755 | break; | |
4756 | ||
4757 | /* 0xb4-0xb5 undefined */ | |
4758 | /* 0xb6 privileged: STCTL - store control */ | |
4759 | /* 0xb7 privileged: LCTL - load control */ | |
4760 | /* 0xb8 undefined */ | |
4761 | ||
4762 | case 0xba: /* CS - compare and swap */ | |
4763 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4764 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4765 | return -1; | |
4766 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4767 | return -1; | |
4768 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4769 | return -1; | |
4770 | break; | |
4771 | ||
4772 | case 0xbb: /* CDS - compare double and swap */ | |
4773 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4774 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4775 | return -1; | |
4776 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4777 | return -1; | |
4778 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4779 | return -1; | |
4780 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4781 | return -1; | |
4782 | break; | |
4783 | ||
4784 | /* 0xbc undefined */ | |
4785 | ||
4786 | case 0xbe: /* STCM - store characters under mask */ | |
4787 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4788 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
4789 | return -1; | |
4790 | break; | |
4791 | ||
4792 | case 0xc0: | |
4793 | case 0xc2: | |
4794 | case 0xc4: | |
4795 | case 0xc6: | |
4796 | case 0xcc: | |
4797 | /* RIL-format instruction */ | |
4798 | switch (ibyte[0] << 4 | inib[3]) | |
4799 | { | |
4800 | case 0xc00: /* LARL - load address relative long */ | |
4801 | case 0xc05: /* BRASL - branch relative and save long */ | |
4802 | case 0xc09: /* IILF - insert immediate */ | |
4803 | case 0xc21: /* MSFI - multiply single immediate */ | |
4804 | case 0xc42: /* LLHRL - load logical halfword relative long */ | |
4805 | case 0xc45: /* LHRL - load halfword relative long */ | |
4806 | case 0xc4d: /* LRL - load relative long */ | |
4807 | /* 32-bit or native gpr destination */ | |
4808 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4809 | return -1; | |
4810 | break; | |
4811 | ||
4812 | case 0xc01: /* LGFI - load immediate */ | |
4813 | case 0xc0e: /* LLIHF - load logical immediate */ | |
4814 | case 0xc0f: /* LLILF - load logical immediate */ | |
4815 | case 0xc20: /* MSGFI - multiply single immediate */ | |
4816 | case 0xc44: /* LGHRL - load halfword relative long */ | |
4817 | case 0xc46: /* LLGHRL - load logical halfword relative long */ | |
4818 | case 0xc48: /* LGRL - load relative long */ | |
4819 | case 0xc4c: /* LGFRL - load relative long */ | |
4820 | case 0xc4e: /* LLGFRL - load logical relative long */ | |
4821 | /* 64-bit gpr destination */ | |
4822 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4823 | return -1; | |
4824 | break; | |
4825 | ||
4826 | /* 0xc02-0xc03 undefined */ | |
4827 | ||
4828 | case 0xc04: /* BRCL - branch relative on condition long */ | |
4829 | case 0xc62: /* PFDRL - prefetch data relative long */ | |
4830 | break; | |
4831 | ||
4832 | case 0xc06: /* XIHF - xor immediate */ | |
4833 | case 0xc0a: /* NIHF - and immediate */ | |
4834 | case 0xc0c: /* OIHF - or immediate */ | |
4835 | case 0xcc8: /* AIH - add immediate high */ | |
4836 | case 0xcca: /* ALSIH - add logical with signed immediate high */ | |
4837 | /* 32-bit high gpr destination + flags */ | |
4838 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4839 | return -1; | |
4840 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4841 | return -1; | |
4842 | break; | |
4843 | ||
4844 | case 0xc07: /* XILF - xor immediate */ | |
4845 | case 0xc0b: /* NILF - and immediate */ | |
4846 | case 0xc0d: /* OILF - or immediate */ | |
4847 | case 0xc25: /* SLFI - subtract logical immediate */ | |
4848 | case 0xc29: /* AFI - add immediate */ | |
4849 | case 0xc2b: /* ALFI - add logical immediate */ | |
4850 | /* 32-bit gpr destination + flags */ | |
4851 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4852 | return -1; | |
4853 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4854 | return -1; | |
4855 | break; | |
4856 | ||
4857 | case 0xc08: /* IIHF - insert immediate */ | |
4858 | case 0xcc6: /* BRCTH - branch relative on count high */ | |
4859 | case 0xccb: /* ALSIHN - add logical with signed immediate high */ | |
4860 | /* 32-bit high gpr destination */ | |
4861 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4862 | return -1; | |
4863 | break; | |
4864 | ||
4865 | /* 0xc22-0xc23 undefined */ | |
4866 | ||
4867 | case 0xc24: /* SLGFI - subtract logical immediate */ | |
4868 | case 0xc28: /* AGFI - add immediate */ | |
4869 | case 0xc2a: /* ALGFI - add logical immediate */ | |
4870 | /* 64-bit gpr destination + flags */ | |
4871 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4872 | return -1; | |
4873 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4874 | return -1; | |
4875 | break; | |
4876 | ||
4877 | /* 0xc26-0xc27 undefined */ | |
4878 | ||
4879 | case 0xc2c: /* CGFI - compare immediate */ | |
4880 | case 0xc2d: /* CFI - compare immediate */ | |
4881 | case 0xc2e: /* CLGFI - compare logical immediate */ | |
4882 | case 0xc2f: /* CLFI - compare logical immediate */ | |
4883 | case 0xc64: /* CGHRL - compare halfword relative long */ | |
4884 | case 0xc65: /* CHRL - compare halfword relative long */ | |
4885 | case 0xc66: /* CLGHRL - compare logical halfword relative long */ | |
4886 | case 0xc67: /* CLHRL - compare logical halfword relative long */ | |
4887 | case 0xc68: /* CGRL - compare relative long */ | |
4888 | case 0xc6a: /* CLGRL - compare logical relative long */ | |
4889 | case 0xc6c: /* CGFRL - compare relative long */ | |
4890 | case 0xc6d: /* CRL - compare relative long */ | |
4891 | case 0xc6e: /* CLGFRL - compare logical relative long */ | |
4892 | case 0xc6f: /* CLRL - compare logical relative long */ | |
4893 | case 0xccd: /* CIH - compare immediate high */ | |
4894 | case 0xccf: /* CLIH - compare logical immediate high */ | |
4895 | /* flags only */ | |
4896 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4897 | return -1; | |
4898 | break; | |
4899 | ||
4900 | /* 0xc40-0xc41 undefined */ | |
4901 | /* 0xc43 undefined */ | |
4902 | ||
4903 | case 0xc47: /* STHRL - store halfword relative long */ | |
4904 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
4905 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
4906 | return -1; | |
4907 | break; | |
4908 | ||
4909 | /* 0xc49-0xc4a undefined */ | |
4910 | ||
4911 | case 0xc4b: /* STGRL - store relative long */ | |
4912 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
4913 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4914 | return -1; | |
4915 | break; | |
4916 | ||
4917 | case 0xc4f: /* STRL - store relative long */ | |
4918 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
4919 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4920 | return -1; | |
4921 | break; | |
4922 | ||
4923 | case 0xc60: /* EXRL - execute relative long */ | |
4924 | if (ex != -1) | |
4925 | { | |
4926 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
4927 | paddress (gdbarch, addr)); | |
4928 | return -1; | |
4929 | } | |
4930 | addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
4931 | if (inib[2]) | |
4932 | { | |
4933 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
4934 | ex = tmp & 0xff; | |
4935 | } | |
4936 | else | |
4937 | { | |
4938 | ex = 0; | |
4939 | } | |
4940 | goto ex; | |
4941 | ||
4942 | /* 0xc61 undefined */ | |
4943 | /* 0xc63 undefined */ | |
4944 | /* 0xc69 undefined */ | |
4945 | /* 0xc6b undefined */ | |
4946 | /* 0xcc0-0xcc5 undefined */ | |
4947 | /* 0xcc7 undefined */ | |
4948 | /* 0xcc9 undefined */ | |
4949 | /* 0xccc undefined */ | |
4950 | /* 0xcce undefined */ | |
4951 | ||
4952 | default: | |
4953 | goto UNKNOWN_OP; | |
4954 | } | |
4955 | break; | |
4956 | ||
4957 | /* 0xc1 undefined */ | |
4958 | /* 0xc3 undefined */ | |
4959 | ||
4960 | case 0xc5: /* BPRP - branch prediction relative preload */ | |
4961 | case 0xc7: /* BPP - branch prediction preload */ | |
4962 | /* no visible effect */ | |
4963 | break; | |
4964 | ||
4965 | case 0xc8: | |
4966 | /* SSF-format instruction */ | |
4967 | switch (ibyte[0] << 4 | inib[3]) | |
4968 | { | |
4969 | /* 0xc80 unsupported */ | |
4970 | ||
4971 | case 0xc81: /* ECTG - extract cpu time */ | |
4972 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4973 | return -1; | |
4974 | if (s390_record_gpr_g (gdbarch, regcache, 0)) | |
4975 | return -1; | |
4976 | if (s390_record_gpr_g (gdbarch, regcache, 1)) | |
4977 | return -1; | |
4978 | break; | |
4979 | ||
4980 | case 0xc82: /* CSST - compare and swap and store */ | |
4981 | { | |
4982 | uint8_t fc, sc; | |
4983 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4984 | fc = tmp & 0xff; | |
4985 | sc = tmp >> 8 & 0xff; | |
4986 | ||
4987 | /* First and third operands. */ | |
4988 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4989 | switch (fc) | |
4990 | { | |
4991 | case 0x00: /* 32-bit */ | |
4992 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4993 | return -1; | |
4994 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4995 | return -1; | |
4996 | break; | |
4997 | ||
4998 | case 0x01: /* 64-bit */ | |
4999 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5000 | return -1; | |
5001 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5002 | return -1; | |
5003 | break; | |
5004 | ||
5005 | case 0x02: /* 128-bit */ | |
5006 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5007 | return -1; | |
5008 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5009 | return -1; | |
5010 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5011 | return -1; | |
5012 | break; | |
5013 | ||
5014 | default: | |
5015 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5016 | fc, paddress (gdbarch, addr)); | |
5017 | return -1; | |
5018 | } | |
5019 | ||
5020 | /* Second operand. */ | |
5021 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
5022 | if (sc > 4) | |
5023 | { | |
5024 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5025 | sc, paddress (gdbarch, addr)); | |
5026 | return -1; | |
5027 | } | |
5028 | ||
5029 | if (record_full_arch_list_add_mem (oaddr2, 1 << sc)) | |
5030 | return -1; | |
5031 | ||
5032 | /* Flags. */ | |
5033 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5034 | return -1; | |
5035 | } | |
5036 | break; | |
5037 | ||
5038 | /* 0xc83 undefined */ | |
5039 | ||
5040 | case 0xc84: /* LPD - load pair disjoint */ | |
5041 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5042 | return -1; | |
5043 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5044 | return -1; | |
5045 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5046 | return -1; | |
5047 | break; | |
5048 | ||
5049 | case 0xc85: /* LPDG - load pair disjoint */ | |
5050 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5051 | return -1; | |
5052 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5053 | return -1; | |
5054 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5055 | return -1; | |
5056 | break; | |
5057 | ||
5058 | /* 0xc86-0xc8f undefined */ | |
5059 | ||
5060 | default: | |
5061 | goto UNKNOWN_OP; | |
5062 | } | |
5063 | break; | |
5064 | ||
5065 | /* 0xc9-0xcb undefined */ | |
5066 | /* 0xcd-0xcf undefined */ | |
5067 | ||
5068 | case 0xd0: /* TRTR - translate and test reversed */ | |
5069 | case 0xdd: /* TRT - translate and test */ | |
5070 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
5071 | return -1; | |
5072 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) | |
5073 | return -1; | |
5074 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5075 | return -1; | |
5076 | break; | |
5077 | ||
5078 | case 0xd1: /* MVN - move numbers */ | |
5079 | case 0xd2: /* MVC - move */ | |
5080 | case 0xd3: /* MVZ - move zones */ | |
5081 | case 0xdc: /* TR - translate */ | |
5082 | case 0xe8: /* MVCIN - move inverse */ | |
5083 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5084 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5085 | return -1; | |
5086 | break; | |
5087 | ||
5088 | case 0xd4: /* NC - and */ | |
5089 | case 0xd6: /* OC - or*/ | |
5090 | case 0xd7: /* XC - xor */ | |
5091 | case 0xe2: /* UNPKU - unpack unicode */ | |
5092 | case 0xea: /* UNPKA - unpack ASCII */ | |
5093 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5094 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5095 | return -1; | |
5096 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5097 | return -1; | |
5098 | break; | |
5099 | ||
5100 | case 0xde: /* ED - edit */ | |
5101 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5102 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5103 | return -1; | |
5104 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5105 | return -1; | |
5106 | /* DXC may be written */ | |
5107 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5108 | return -1; | |
5109 | break; | |
5110 | ||
5111 | case 0xdf: /* EDMK - edit and mark */ | |
5112 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5113 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5114 | return -1; | |
5115 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
5116 | return -1; | |
5117 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5118 | return -1; | |
5119 | /* DXC may be written */ | |
5120 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5121 | return -1; | |
5122 | break; | |
5123 | ||
5124 | /* 0xd8 undefined */ | |
5125 | /* 0xd9 unsupported: MVCK - move with key */ | |
5126 | /* 0xda unsupported: MVCP - move to primary */ | |
5127 | /* 0xdb unsupported: MVCS - move to secondary */ | |
5128 | /* 0xe0 undefined */ | |
5129 | ||
5130 | case 0xe1: /* PKU - pack unicode */ | |
5131 | case 0xe9: /* PKA - pack ASCII */ | |
5132 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5133 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5134 | return -1; | |
5135 | break; | |
5136 | ||
5137 | case 0xe3: | |
5138 | case 0xe6: | |
5139 | case 0xe7: | |
5140 | case 0xeb: | |
5141 | case 0xed: | |
5142 | /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */ | |
5143 | switch (ibyte[0] << 8 | ibyte[5]) | |
5144 | { | |
5145 | /* 0xe300-0xe301 undefined */ | |
5146 | ||
5147 | case 0xe302: /* LTG - load and test */ | |
5148 | case 0xe308: /* AG - add */ | |
5149 | case 0xe309: /* SG - subtract */ | |
5150 | case 0xe30a: /* ALG - add logical */ | |
5151 | case 0xe30b: /* SLG - subtract logical */ | |
5152 | case 0xe318: /* AGF - add */ | |
5153 | case 0xe319: /* SGF - subtract */ | |
5154 | case 0xe31a: /* ALGF - add logical */ | |
5155 | case 0xe31b: /* SLGF - subtract logical */ | |
5156 | case 0xe332: /* LTGF - load and test */ | |
5157 | case 0xe380: /* NG - and */ | |
5158 | case 0xe381: /* OG - or */ | |
5159 | case 0xe382: /* XG - xor */ | |
5160 | case 0xe388: /* ALCG - add logical with carry */ | |
5161 | case 0xe389: /* SLBG - subtract logical with borrow */ | |
5162 | case 0xeb0a: /* SRAG - shift right single */ | |
5163 | case 0xeb0b: /* SLAG - shift left single */ | |
5164 | /* 64-bit gpr destination + flags */ | |
5165 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5166 | return -1; | |
5167 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5168 | return -1; | |
5169 | break; | |
5170 | ||
5171 | /* 0xe303 privileged */ | |
5172 | ||
5173 | case 0xe304: /* LG - load */ | |
5174 | case 0xe30c: /* MSG - multiply single */ | |
5175 | case 0xe30f: /* LRVG - load reversed */ | |
5176 | case 0xe314: /* LGF - load */ | |
5177 | case 0xe315: /* LGH - load halfword */ | |
5178 | case 0xe316: /* LLGF - load logical */ | |
5179 | case 0xe317: /* LLGT - load logical thirty one bits */ | |
5180 | case 0xe31c: /* MSGF - multiply single */ | |
5181 | case 0xe32a: /* LZRG - load and zero rightmost byte */ | |
5182 | case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */ | |
5183 | case 0xe33c: /* MGH - multiply halfword 64x16mem -> 64 */ | |
5184 | case 0xe346: /* BCTG - branch on count */ | |
5185 | case 0xe377: /* LGB - load byte */ | |
5186 | case 0xe390: /* LLGC - load logical character */ | |
5187 | case 0xe391: /* LLGH - load logical halfword */ | |
5188 | case 0xeb0c: /* SRLG - shift right single logical */ | |
5189 | case 0xeb0d: /* SLLG - shift left single logical */ | |
5190 | case 0xeb1c: /* RLLG - rotate left single logical */ | |
5191 | case 0xeb44: /* BXHG - branch on index high */ | |
5192 | case 0xeb45: /* BXLEG - branch on index low or equal */ | |
5193 | case 0xeb4c: /* ECAG - extract cpu attribute */ | |
5194 | case 0xebe2: /* LOCG - load on condition */ | |
5195 | /* 64-bit gpr destination */ | |
5196 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5197 | return -1; | |
5198 | break; | |
5199 | ||
5200 | /* 0xe305 undefined */ | |
5201 | ||
5202 | case 0xe306: /* CVBY - convert to binary */ | |
5203 | /* 32-bit or native gpr destination + FPC (DXC write) */ | |
5204 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5205 | return -1; | |
5206 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5207 | return -1; | |
5208 | break; | |
5209 | ||
5210 | /* 0xe307 undefined */ | |
5211 | ||
5212 | case 0xe30d: /* DSG - divide single */ | |
5213 | case 0xe31d: /* DSGF - divide single */ | |
5214 | case 0xe384: /* MG - multiply 64x64mem -> 128 */ | |
5215 | case 0xe386: /* MLG - multiply logical */ | |
5216 | case 0xe387: /* DLG - divide logical */ | |
5217 | case 0xe38f: /* LPQ - load pair from quadword */ | |
5218 | /* 64-bit gpr pair destination */ | |
5219 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5220 | return -1; | |
5221 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5222 | return -1; | |
5223 | break; | |
5224 | ||
5225 | case 0xe30e: /* CVBG - convert to binary */ | |
5226 | /* 64-bit gpr destination + FPC (DXC write) */ | |
5227 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5228 | return -1; | |
5229 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5230 | return -1; | |
5231 | break; | |
5232 | ||
5233 | /* 0xe310-0xe311 undefined */ | |
5234 | ||
5235 | case 0xe312: /* LT - load and test */ | |
5236 | case 0xe338: /* AGH - add halfword to 64 bit value */ | |
5237 | case 0xe339: /* SGH - subtract halfword from 64 bit value */ | |
5238 | case 0xe353: /* MSC - multiply single 32x32mem -> 32 */ | |
5239 | case 0xe354: /* NY - and */ | |
5240 | case 0xe356: /* OY - or */ | |
5241 | case 0xe357: /* XY - xor */ | |
5242 | case 0xe35a: /* AY - add */ | |
5243 | case 0xe35b: /* SY - subtract */ | |
5244 | case 0xe35e: /* ALY - add logical */ | |
5245 | case 0xe35f: /* SLY - subtract logical */ | |
5246 | case 0xe37a: /* AHY - add halfword */ | |
5247 | case 0xe37b: /* SHY - subtract halfword */ | |
5248 | case 0xe383: /* MSGC - multiply single 64x64mem -> 64 */ | |
5249 | case 0xe398: /* ALC - add logical with carry */ | |
5250 | case 0xe399: /* SLB - subtract logical with borrow */ | |
5251 | case 0xe727: /* LCBB - load count to block bounduary */ | |
5252 | case 0xeb81: /* ICMY - insert characters under mask */ | |
5253 | case 0xebdc: /* SRAK - shift left single */ | |
5254 | case 0xebdd: /* SLAK - shift left single */ | |
5255 | /* 32/64-bit gpr destination + flags */ | |
5256 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5257 | return -1; | |
5258 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5259 | return -1; | |
5260 | break; | |
5261 | ||
5262 | /* 0xe313 privileged */ | |
5263 | ||
5264 | case 0xe31e: /* LRV - load reversed */ | |
5265 | case 0xe31f: /* LRVH - load reversed */ | |
5266 | case 0xe33b: /* LZRF - load and zero rightmost byte */ | |
5267 | case 0xe351: /* MSY - multiply single */ | |
5268 | case 0xe358: /* LY - load */ | |
5269 | case 0xe371: /* LAY - load address */ | |
5270 | case 0xe373: /* ICY - insert character */ | |
5271 | case 0xe376: /* LB - load byte */ | |
5272 | case 0xe378: /* LHY - load */ | |
5273 | case 0xe37c: /* MHY - multiply halfword */ | |
5274 | case 0xe394: /* LLC - load logical character */ | |
5275 | case 0xe395: /* LLH - load logical halfword */ | |
5276 | case 0xeb1d: /* RLL - rotate left single logical */ | |
5277 | case 0xebde: /* SRLK - shift left single logical */ | |
5278 | case 0xebdf: /* SLLK - shift left single logical */ | |
5279 | case 0xebf2: /* LOC - load on condition */ | |
5280 | /* 32-bit or native gpr destination */ | |
5281 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5282 | return -1; | |
5283 | break; | |
5284 | ||
5285 | case 0xe320: /* CG - compare */ | |
5286 | case 0xe321: /* CLG - compare logical */ | |
5287 | case 0xe330: /* CGF - compare */ | |
5288 | case 0xe331: /* CLGF - compare logical */ | |
5289 | case 0xe334: /* CGH - compare halfword */ | |
5290 | case 0xe355: /* CLY - compare logical */ | |
5291 | case 0xe359: /* CY - compare */ | |
5292 | case 0xe379: /* CHY - compare halfword */ | |
5293 | case 0xe3cd: /* CHF - compare high */ | |
5294 | case 0xe3cf: /* CLHF - compare logical high */ | |
5295 | case 0xeb20: /* CLMH - compare logical under mask high */ | |
5296 | case 0xeb21: /* CLMY - compare logical under mask */ | |
5297 | case 0xeb51: /* TMY - test under mask */ | |
5298 | case 0xeb55: /* CLIY - compare logical */ | |
5299 | case 0xebc0: /* TP - test decimal */ | |
5300 | case 0xed10: /* TCEB - test data class */ | |
5301 | case 0xed11: /* TCDB - test data class */ | |
5302 | case 0xed12: /* TCXB - test data class */ | |
5303 | case 0xed50: /* TDCET - test data class */ | |
5304 | case 0xed51: /* TDGET - test data group */ | |
5305 | case 0xed54: /* TDCDT - test data class */ | |
5306 | case 0xed55: /* TDGDT - test data group */ | |
5307 | case 0xed58: /* TDCXT - test data class */ | |
5308 | case 0xed59: /* TDGXT - test data group */ | |
5309 | /* flags only */ | |
5310 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5311 | return -1; | |
5312 | break; | |
5313 | ||
5314 | /* 0xe322-0xe323 undefined */ | |
5315 | ||
5316 | case 0xe324: /* STG - store */ | |
5317 | case 0xe325: /* NTSTG - nontransactional store */ | |
5318 | case 0xe326: /* CVDY - convert to decimal */ | |
5319 | case 0xe32f: /* STRVG - store reversed */ | |
5320 | case 0xebe3: /* STOCG - store on condition */ | |
5321 | case 0xed67: /* STDY - store */ | |
5322 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
5323 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5324 | return -1; | |
5325 | break; | |
5326 | ||
5327 | /* 0xe327-0xe329 undefined */ | |
5328 | /* 0xe32b-0xe32d undefined */ | |
5329 | ||
5330 | case 0xe32e: /* CVDG - convert to decimal */ | |
5331 | case 0xe38e: /* STPQ - store pair to quadword */ | |
5332 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
5333 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5334 | return -1; | |
5335 | break; | |
5336 | ||
5337 | /* 0xe333 undefined */ | |
5338 | /* 0xe335 undefined */ | |
5339 | ||
5340 | case 0xe336: /* PFD - prefetch data */ | |
5341 | break; | |
5342 | ||
5343 | /* 0xe337 undefined */ | |
5344 | /* 0xe33c-0xe33d undefined */ | |
5345 | ||
5346 | case 0xe33e: /* STRV - store reversed */ | |
5347 | case 0xe350: /* STY - store */ | |
5348 | case 0xe3cb: /* STFH - store high */ | |
5349 | case 0xebe1: /* STOCFH - store high on condition */ | |
5350 | case 0xebf3: /* STOC - store on condition */ | |
5351 | case 0xed66: /* STEY - store */ | |
5352 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
5353 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5354 | return -1; | |
5355 | break; | |
5356 | ||
5357 | case 0xe33f: /* STRVH - store reversed */ | |
5358 | case 0xe370: /* STHY - store halfword */ | |
5359 | case 0xe3c7: /* STHH - store halfword high */ | |
5360 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
5361 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
5362 | return -1; | |
5363 | break; | |
5364 | ||
5365 | /* 0xe340-0xe345 undefined */ | |
5366 | ||
5367 | case 0xe347: /* BIC - branch indirect on condition */ | |
5368 | break; | |
5369 | ||
5370 | /* 0xe348-0xe34f undefined */ | |
5371 | /* 0xe352 undefined */ | |
5372 | ||
5373 | case 0xe35c: /* MFY - multiply */ | |
5374 | case 0xe396: /* ML - multiply logical */ | |
5375 | case 0xe397: /* DL - divide logical */ | |
5376 | /* 32-bit gpr pair destination */ | |
5377 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5378 | return -1; | |
5379 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5380 | return -1; | |
5381 | break; | |
5382 | ||
5383 | /* 0xe35d undefined */ | |
5384 | /* 0xe360-0xe36f undefined */ | |
5385 | ||
5386 | case 0xe372: /* STCY - store character */ | |
5387 | case 0xe3c3: /* STCH - store character high */ | |
5388 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
5389 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
5390 | return -1; | |
5391 | break; | |
5392 | ||
5393 | /* 0xe374 undefined */ | |
5394 | ||
5395 | case 0xe375: /* LAEY - load address extended */ | |
5396 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5397 | return -1; | |
5398 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
5399 | return -1; | |
5400 | break; | |
5401 | ||
5402 | /* 0xe37d-0xe37f undefined */ | |
5403 | ||
5404 | case 0xe385: /* LGAT - load and trap */ | |
5405 | case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */ | |
5406 | case 0xe39d: /* LLGFAT - load logical and trap */ | |
5407 | case 0xe650: /* VCVB - vector convert to binary 32 bit*/ | |
5408 | case 0xe652: /* VCVBG - vector convert to binary 64 bit*/ | |
5409 | case 0xe721: /* VLGV - vector load gr from vr element */ | |
5410 | /* 64-bit gpr destination + fpc for possible DXC write */ | |
5411 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5412 | return -1; | |
5413 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5414 | return -1; | |
5415 | break; | |
5416 | ||
5417 | /* 0xe38a-0xe38d undefined */ | |
5418 | /* 0xe392-0xe393 undefined */ | |
5419 | /* 0xe39a-0xe39b undefined */ | |
5420 | /* 0xe39e undefined */ | |
5421 | ||
5422 | case 0xe39f: /* LAT - load and trap */ | |
5423 | /* 32-bit gpr destination + fpc for possible DXC write */ | |
5424 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5425 | return -1; | |
5426 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5427 | return -1; | |
5428 | break; | |
5429 | ||
5430 | /* 0xe3a0-0xe3bf undefined */ | |
5431 | ||
5432 | case 0xe3c0: /* LBH - load byte high */ | |
5433 | case 0xe3c2: /* LLCH - load logical character high */ | |
5434 | case 0xe3c4: /* LHH - load halfword high */ | |
5435 | case 0xe3c6: /* LLHH - load logical halfword high */ | |
5436 | case 0xe3ca: /* LFH - load high */ | |
5437 | case 0xebe0: /* LOCFH - load high on condition */ | |
5438 | /* 32-bit high gpr destination */ | |
5439 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5440 | return -1; | |
5441 | break; | |
5442 | ||
5443 | /* 0xe3c1 undefined */ | |
5444 | /* 0xe3c5 undefined */ | |
5445 | ||
5446 | case 0xe3c8: /* LFHAT - load high and trap */ | |
5447 | /* 32-bit high gpr destination + fpc for possible DXC write */ | |
5448 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5449 | return -1; | |
5450 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5451 | return -1; | |
5452 | break; | |
5453 | ||
5454 | /* 0xe3c9 undefined */ | |
5455 | /* 0xe3cc undefined */ | |
5456 | /* 0xe3ce undefined */ | |
5457 | /* 0xe3d0-0xe3ff undefined */ | |
5458 | ||
5459 | case 0xe634: /* VPKZ - vector pack zoned */ | |
5460 | case 0xe635: /* VLRL - vector load rightmost with immed. length */ | |
5461 | case 0xe637: /* VLRLR - vector load rightmost with length */ | |
5462 | case 0xe649: /* VLIP - vector load immediate decimal */ | |
5463 | case 0xe700: /* VLEB - vector load element */ | |
5464 | case 0xe701: /* VLEH - vector load element */ | |
5465 | case 0xe702: /* VLEG - vector load element */ | |
5466 | case 0xe703: /* VLEF - vector load element */ | |
5467 | case 0xe704: /* VLLEZ - vector load logical element and zero */ | |
5468 | case 0xe705: /* VLREP - vector load and replicate */ | |
5469 | case 0xe706: /* VL - vector load */ | |
5470 | case 0xe707: /* VLBB - vector load to block bounduary */ | |
5471 | case 0xe712: /* VGEG - vector gather element */ | |
5472 | case 0xe713: /* VGEF - vector gather element */ | |
5473 | case 0xe722: /* VLVG - vector load vr element from gr */ | |
5474 | case 0xe730: /* VESL - vector element shift left */ | |
5475 | case 0xe733: /* VERLL - vector element rotate left logical */ | |
5476 | case 0xe737: /* VLL - vector load with length */ | |
5477 | case 0xe738: /* VESRL - vector element shift right logical */ | |
5478 | case 0xe73a: /* VESRA - vector element shift right arithmetic */ | |
5479 | case 0xe740: /* VLEIB - vector load element immediate */ | |
5480 | case 0xe741: /* VLEIH - vector load element immediate */ | |
5481 | case 0xe742: /* VLEIG - vector load element immediate */ | |
5482 | case 0xe743: /* VLEIF - vector load element immediate */ | |
5483 | case 0xe744: /* VGBM - vector generate byte mask */ | |
5484 | case 0xe745: /* VREPI - vector replicate immediate */ | |
5485 | case 0xe746: /* VGM - vector generate mask */ | |
5486 | case 0xe74d: /* VREP - vector replicate */ | |
5487 | case 0xe750: /* VPOPCT - vector population count */ | |
5488 | case 0xe752: /* VCTZ - vector count trailing zeros */ | |
5489 | case 0xe753: /* VCLZ - vector count leading zeros */ | |
5490 | case 0xe756: /* VLR - vector load */ | |
5491 | case 0xe75f: /* VSEG -vector sign extend to doubleword */ | |
5492 | case 0xe760: /* VMRL - vector merge low */ | |
5493 | case 0xe761: /* VMRH - vector merge high */ | |
5494 | case 0xe762: /* VLVGP - vector load vr from grs disjoint */ | |
5495 | case 0xe764: /* VSUM - vector sum across word */ | |
5496 | case 0xe765: /* VSUMG - vector sum across doubleword */ | |
5497 | case 0xe766: /* VCKSM - vector checksum */ | |
5498 | case 0xe767: /* VSUMQ - vector sum across quadword */ | |
5499 | case 0xe768: /* VN - vector and */ | |
5500 | case 0xe769: /* VNC - vector and with complement */ | |
5501 | case 0xe76a: /* VO - vector or */ | |
5502 | case 0xe76b: /* VNO - vector nor */ | |
5503 | case 0xe76c: /* VNX - vector not exclusive or */ | |
5504 | case 0xe76d: /* VX - vector xor */ | |
5505 | case 0xe76e: /* VNN - vector nand */ | |
5506 | case 0xe76f: /* VOC - vector or with complement */ | |
5507 | case 0xe770: /* VESLV - vector element shift left */ | |
5508 | case 0xe772: /* VERIM - vector element rotate and insert under mask */ | |
5509 | case 0xe773: /* VERLLV - vector element rotate left logical */ | |
5510 | case 0xe774: /* VSL - vector shift left */ | |
5511 | case 0xe775: /* VSLB - vector shift left by byte */ | |
5512 | case 0xe777: /* VSLDB - vector shift left double by byte */ | |
5513 | case 0xe778: /* VESRLV - vector element shift right logical */ | |
5514 | case 0xe77a: /* VESRAV - vector element shift right arithmetic */ | |
5515 | case 0xe77c: /* VSRL - vector shift right logical */ | |
5516 | case 0xe77d: /* VSRLB - vector shift right logical by byte */ | |
5517 | case 0xe77e: /* VSRA - vector shift right arithmetic */ | |
5518 | case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */ | |
5519 | case 0xe784: /* VPDI - vector permute doubleword immediate */ | |
5520 | case 0xe785: /* VBPERM - vector bit permute */ | |
5521 | case 0xe78c: /* VPERM - vector permute */ | |
5522 | case 0xe78d: /* VSEL - vector select */ | |
5523 | case 0xe78e: /* VFMS - vector fp multiply and subtract */ | |
5524 | case 0xe78f: /* VFMA - vector fp multiply and add */ | |
5525 | case 0xe794: /* VPK - vector pack */ | |
5526 | case 0xe79e: /* VFNMS - vector fp negative multiply and subtract */ | |
5527 | case 0xe79f: /* VFNMA - vector fp negative multiply and add */ | |
5528 | case 0xe7a1: /* VMLH - vector multiply logical high */ | |
5529 | case 0xe7a2: /* VML - vector multiply low */ | |
5530 | case 0xe7a3: /* VMH - vector multiply high */ | |
5531 | case 0xe7a4: /* VMLE - vector multiply logical even */ | |
5532 | case 0xe7a5: /* VMLO - vector multiply logical odd */ | |
5533 | case 0xe7a6: /* VME - vector multiply even */ | |
5534 | case 0xe7a7: /* VMO - vector multiply odd */ | |
5535 | case 0xe7a9: /* VMALH - vector multiply and add logical high */ | |
5536 | case 0xe7aa: /* VMAL - vector multiply and add low */ | |
5537 | case 0xe7ab: /* VMAH - vector multiply and add high */ | |
5538 | case 0xe7ac: /* VMALE - vector multiply and add logical even */ | |
5539 | case 0xe7ad: /* VMALO - vector multiply and add logical odd */ | |
5540 | case 0xe7ae: /* VMAE - vector multiply and add even */ | |
5541 | case 0xe7af: /* VMAO - vector multiply and add odd */ | |
5542 | case 0xe7b4: /* VGFM - vector Galois field multiply sum */ | |
5543 | case 0xe7b8: /* VMSL - vector multiply sum logical */ | |
5544 | case 0xe7b9: /* VACCC - vector add with carry compute carry */ | |
5545 | case 0xe7bb: /* VAC - vector add with carry */ | |
5546 | case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */ | |
5547 | case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */ | |
5548 | case 0xe7bf: /* VSBI - vector subtract with borrow indication */ | |
5549 | case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */ | |
5550 | case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */ | |
5551 | case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */ | |
5552 | case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */ | |
5553 | case 0xe7c4: /* VLDE/VFLL - vector fp load lengthened */ | |
5554 | case 0xe7c5: /* VLED/VFLR - vector fp load rounded */ | |
5555 | case 0xe7c7: /* VFI - vector load fp integer */ | |
5556 | case 0xe7cc: /* VFPSO - vector fp perform sign operation */ | |
5557 | case 0xe7ce: /* VFSQ - vector fp square root */ | |
5558 | case 0xe7d4: /* VUPLL - vector unpack logical low */ | |
5559 | case 0xe7d6: /* VUPL - vector unpack low */ | |
5560 | case 0xe7d5: /* VUPLH - vector unpack logical high */ | |
5561 | case 0xe7d7: /* VUPH - vector unpack high */ | |
5562 | case 0xe7de: /* VLC - vector load complement */ | |
5563 | case 0xe7df: /* VLP - vector load positive */ | |
5564 | case 0xe7e2: /* VFA - vector fp subtract */ | |
5565 | case 0xe7e3: /* VFA - vector fp add */ | |
5566 | case 0xe7e5: /* VFD - vector fp divide */ | |
5567 | case 0xe7e7: /* VFM - vector fp multiply */ | |
5568 | case 0xe7ee: /* VFMIN - vector fp minimum */ | |
5569 | case 0xe7ef: /* VFMAX - vector fp maximum */ | |
5570 | case 0xe7f0: /* VAVGL - vector average logical */ | |
5571 | case 0xe7f1: /* VACC - vector add and compute carry */ | |
5572 | case 0xe7f2: /* VAVG - vector average */ | |
5573 | case 0xe7f3: /* VA - vector add */ | |
5574 | case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */ | |
5575 | case 0xe7f7: /* VS - vector subtract */ | |
5576 | case 0xe7fc: /* VMNL - vector minimum logical */ | |
5577 | case 0xe7fd: /* VMXL - vector maximum logical */ | |
5578 | case 0xe7fe: /* VMN - vector minimum */ | |
5579 | case 0xe7ff: /* VMX - vector maximum */ | |
5580 | /* vector destination + FPC */ | |
5581 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
5582 | return -1; | |
5583 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5584 | return -1; | |
5585 | break; | |
5586 | ||
5587 | case 0xe63d: /* VSTRL - vector store rightmost with immed. length */ | |
5588 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5589 | if (record_full_arch_list_add_mem (oaddr, inib[3] + 1)) | |
5590 | return -1; | |
5591 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5592 | return -1; | |
5593 | break; | |
5594 | ||
5595 | case 0xe708: /* VSTEB - vector store element */ | |
5596 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
5597 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
5598 | return -1; | |
5599 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5600 | return -1; | |
5601 | break; | |
5602 | ||
5603 | case 0xe709: /* VSTEH - vector store element */ | |
5604 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
5605 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
5606 | return -1; | |
5607 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5608 | return -1; | |
5609 | break; | |
5610 | ||
5611 | case 0xe70a: /* VSTEG - vector store element */ | |
5612 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
5613 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5614 | return -1; | |
5615 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5616 | return -1; | |
5617 | break; | |
5618 | ||
5619 | case 0xe70b: /* VSTEF - vector store element */ | |
5620 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
5621 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5622 | return -1; | |
5623 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5624 | return -1; | |
5625 | break; | |
5626 | ||
5627 | /* 0xe70c-0xe70d undefined */ | |
5628 | ||
5629 | case 0xe70e: /* VST - vector store */ | |
5630 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
5631 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5632 | return -1; | |
5633 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5634 | return -1; | |
5635 | break; | |
5636 | ||
5637 | /* 0xe70f-0xe711 undefined */ | |
5638 | /* 0xe714-0xe719 undefined */ | |
5639 | ||
5640 | case 0xe71a: /* VSCEG - vector scatter element */ | |
5641 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr)) | |
5642 | return -1; | |
5643 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5644 | return -1; | |
5645 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5646 | return -1; | |
5647 | break; | |
5648 | ||
5649 | case 0xe71b: /* VSCEF - vector scatter element */ | |
5650 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr)) | |
5651 | return -1; | |
5652 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5653 | return -1; | |
5654 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5655 | return -1; | |
5656 | break; | |
5657 | ||
5658 | /* 0xe71c-0xe720 undefined */ | |
5659 | /* 0xe723-0xe726 undefined */ | |
5660 | /* 0xe728-0xe72f undefined */ | |
5661 | /* 0xe731-0xe732 undefined */ | |
5662 | /* 0xe734-0xe735 undefined */ | |
5663 | ||
5664 | case 0xe736: /* VLM - vector load multiple */ | |
5665 | for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f) | |
5666 | if (s390_record_vr (gdbarch, regcache, i)) | |
5667 | return -1; | |
5668 | if (s390_record_vr (gdbarch, regcache, ivec[1])) | |
5669 | return -1; | |
5670 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5671 | return -1; | |
5672 | break; | |
5673 | ||
5674 | /* 0xe739 undefined */ | |
5675 | /* 0xe73b-0xe73d undefined */ | |
5676 | ||
5677 | case 0xe73e: /* VSTM - vector store multiple */ | |
5678 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5679 | if (ivec[0] <= ivec[1]) | |
5680 | n = ivec[1] - ivec[0] + 1; | |
5681 | else | |
5682 | n = ivec[1] + 0x20 - ivec[0] + 1; | |
5683 | if (record_full_arch_list_add_mem (oaddr, n * 16)) | |
5684 | return -1; | |
5685 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5686 | return -1; | |
5687 | break; | |
5688 | ||
5689 | case 0xe63c: /* VUPKZ - vector unpack zoned */ | |
5690 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5691 | if (record_full_arch_list_add_mem (oaddr, (ibyte[1] + 1) & 31)) | |
5692 | return -1; | |
5693 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5694 | return -1; | |
5695 | break; | |
5696 | ||
5697 | case 0xe63f: /* VSTRLR - vector store rightmost with length */ | |
5698 | case 0xe73f: /* VSTL - vector store with length */ | |
5699 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5700 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp); | |
5701 | tmp &= 0xffffffffu; | |
5702 | if (tmp > 15) | |
5703 | tmp = 15; | |
5704 | if (record_full_arch_list_add_mem (oaddr, tmp + 1)) | |
5705 | return -1; | |
5706 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5707 | return -1; | |
5708 | break; | |
5709 | ||
5710 | /* 0xe747-0xe749 undefined */ | |
5711 | ||
5712 | case 0xe658: /* VCVD - vector convert to decimal 32 bit */ | |
5713 | case 0xe659: /* VSRP - vector shift and round decimal */ | |
5714 | case 0xe65a: /* VCVDG - vector convert to decimal 64 bit*/ | |
5715 | case 0xe65b: /* VPSOP - vector perform sign operation decimal */ | |
5716 | case 0xe671: /* VAP - vector add decimal */ | |
5717 | case 0xe673: /* VSP - vector subtract decimal */ | |
5718 | case 0xe678: /* VMP - vector multiply decimal */ | |
5719 | case 0xe679: /* VMSP - vector multiply decimal */ | |
5720 | case 0xe67a: /* VDP - vector divide decimal */ | |
5721 | case 0xe67b: /* VRP - vector remainder decimal */ | |
5722 | case 0xe67e: /* VSDP - vector shift and divide decimal */ | |
5723 | case 0xe74a: /* VFTCI - vector fp test data class immediate */ | |
5724 | case 0xe75c: /* VISTR - vector isolate string */ | |
5725 | case 0xe780: /* VFEE - vector find element equal */ | |
5726 | case 0xe781: /* VFENE - vector find element not equal */ | |
5727 | case 0xe782: /* VFA - vector find any element equal */ | |
5728 | case 0xe78a: /* VSTRC - vector string range compare */ | |
5729 | case 0xe795: /* VPKLS - vector pack logical saturate */ | |
5730 | case 0xe797: /* VPKS - vector pack saturate */ | |
5731 | case 0xe7e8: /* VFCE - vector fp compare equal */ | |
5732 | case 0xe7ea: /* VFCHE - vector fp compare high or equal */ | |
5733 | case 0xe7eb: /* VFCH - vector fp compare high */ | |
5734 | case 0xe7f8: /* VCEQ - vector compare equal */ | |
5735 | case 0xe7f9: /* VCHL - vector compare high logical */ | |
5736 | case 0xe7fb: /* VCH - vector compare high */ | |
5737 | /* vector destination + flags + FPC */ | |
5738 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
5739 | return -1; | |
5740 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5741 | return -1; | |
5742 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5743 | return -1; | |
5744 | break; | |
5745 | ||
5746 | case 0xe65f: /* VTP - vector test decimal */ | |
5747 | /* flags + FPC */ | |
5748 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5749 | return -1; | |
5750 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5751 | return -1; | |
5752 | break; | |
5753 | ||
5754 | /* 0xe74b-0xe74c undefined */ | |
5755 | /* 0xe74e-0xe74f undefined */ | |
5756 | /* 0xe751 undefined */ | |
5757 | /* 0xe754-0xe755 undefined */ | |
5758 | /* 0xe757-0xe75b undefined */ | |
5759 | /* 0xe75d-0xe75e undefined */ | |
5760 | /* 0xe763 undefined */ | |
5761 | /* 0xe771 undefined */ | |
5762 | /* 0xe776 undefined */ | |
5763 | /* 0xe779 undefined */ | |
5764 | /* 0xe77b undefined */ | |
5765 | /* 0xe783 undefined */ | |
5766 | /* 0xe786-0xe789 undefined */ | |
5767 | /* 0xe78b undefined */ | |
5768 | /* 0xe790-0xe793 undefined */ | |
5769 | /* 0xe796 undefined */ | |
5770 | /* 0xe798-0xe79d undefined */ | |
5771 | /* 0xe7a0 undefined */ | |
5772 | /* 0xe7a8 undefined */ | |
5773 | /* 0xe7b0-0xe7b3 undefined */ | |
5774 | /* 0xe7b5-0xe7b7 undefined */ | |
5775 | /* 0xe7ba undefined */ | |
5776 | /* 0xe7be undefined */ | |
5777 | /* 0xe7c6 undefined */ | |
5778 | /* 0xe7c8-0xe7c9 undefined */ | |
5779 | ||
5780 | case 0xe677: /* VCP - vector compare decimal */ | |
5781 | case 0xe7ca: /* WFK - vector fp compare and signal scalar */ | |
5782 | case 0xe7cb: /* WFC - vector fp compare scalar */ | |
5783 | case 0xe7d8: /* VTM - vector test under mask */ | |
5784 | case 0xe7d9: /* VECL - vector element compare logical */ | |
5785 | case 0xe7db: /* VEC - vector element compare */ | |
5786 | case 0xed08: /* KEB - compare and signal */ | |
5787 | case 0xed09: /* CEB - compare */ | |
5788 | case 0xed18: /* KDB - compare and signal */ | |
5789 | case 0xed19: /* CDB - compare */ | |
5790 | /* flags + fpc only */ | |
5791 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5792 | return -1; | |
5793 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5794 | return -1; | |
5795 | break; | |
5796 | ||
5797 | /* 0xe7cd undefined */ | |
5798 | /* 0xe7cf-0xe7d3 undefined */ | |
5799 | /* 0xe7da undefined */ | |
5800 | /* 0xe7dc-0xe7dd undefined */ | |
5801 | /* 0xe7e0-0xe7e1 undefined */ | |
5802 | /* 0xe7e4 undefined */ | |
5803 | /* 0xe7e6 undefined */ | |
5804 | /* 0xe7e9 undefined */ | |
5805 | /* 0xe7ec-0xe7ed undefined */ | |
5806 | /* 0xe7f4 undefined */ | |
5807 | /* 0xe7f6 undefined */ | |
5808 | /* 0xe7fa undefined */ | |
5809 | ||
5810 | /* 0xeb00-0xeb03 undefined */ | |
5811 | ||
5812 | case 0xeb04: /* LMG - load multiple */ | |
5813 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
5814 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
5815 | return -1; | |
5816 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
5817 | return -1; | |
5818 | break; | |
5819 | ||
5820 | /* 0xeb05-0xeb09 undefined */ | |
5821 | /* 0xeb0e undefined */ | |
5822 | /* 0xeb0f privileged: TRACG */ | |
5823 | /* 0xeb10-0xeb13 undefined */ | |
5824 | ||
5825 | case 0xeb14: /* CSY - compare and swap */ | |
5826 | case 0xebf4: /* LAN - load and and */ | |
5827 | case 0xebf6: /* LAO - load and or */ | |
5828 | case 0xebf7: /* LAX - load and xor */ | |
5829 | case 0xebf8: /* LAA - load and add */ | |
5830 | case 0xebfa: /* LAAL - load and add logical */ | |
5831 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5832 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5833 | return -1; | |
5834 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5835 | return -1; | |
5836 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5837 | return -1; | |
5838 | break; | |
5839 | ||
5840 | /* 0xeb15-0xeb1b undefined */ | |
5841 | /* 0xeb1e-0xeb1f undefined */ | |
5842 | /* 0xeb22 undefined */ | |
5843 | ||
5844 | case 0xeb23: /* CLT - compare logical and trap */ | |
5845 | case 0xeb2b: /* CLGT - compare logical and trap */ | |
5846 | /* fpc only - including possible DXC write for trapping insns */ | |
5847 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5848 | return -1; | |
5849 | break; | |
5850 | ||
5851 | case 0xeb24: /* STMG - store multiple */ | |
5852 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5853 | if (inib[2] <= inib[3]) | |
5854 | n = inib[3] - inib[2] + 1; | |
5855 | else | |
5856 | n = inib[3] + 0x10 - inib[2] + 1; | |
5857 | if (record_full_arch_list_add_mem (oaddr, n * 8)) | |
5858 | return -1; | |
5859 | break; | |
5860 | ||
5861 | /* 0xeb25 privileged */ | |
5862 | ||
5863 | case 0xeb26: /* STMH - store multiple high */ | |
5864 | case 0xeb90: /* STMY - store multiple */ | |
5865 | case 0xeb9b: /* STAMY - store access multiple */ | |
5866 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5867 | if (inib[2] <= inib[3]) | |
5868 | n = inib[3] - inib[2] + 1; | |
5869 | else | |
5870 | n = inib[3] + 0x10 - inib[2] + 1; | |
5871 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
5872 | return -1; | |
5873 | break; | |
5874 | ||
5875 | /* 0xeb27-0xeb2a undefined */ | |
5876 | ||
5877 | case 0xeb2c: /* STCMH - store characters under mask */ | |
5878 | case 0xeb2d: /* STCMY - store characters under mask */ | |
5879 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5880 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
5881 | return -1; | |
5882 | break; | |
5883 | ||
5884 | /* 0xeb2e undefined */ | |
5885 | /* 0xeb2f privileged */ | |
5886 | ||
5887 | case 0xeb30: /* CSG - compare and swap */ | |
5888 | case 0xebe4: /* LANG - load and and */ | |
5889 | case 0xebe6: /* LAOG - load and or */ | |
5890 | case 0xebe7: /* LAXG - load and xor */ | |
5891 | case 0xebe8: /* LAAG - load and add */ | |
5892 | case 0xebea: /* LAALG - load and add logical */ | |
5893 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5894 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5895 | return -1; | |
5896 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5897 | return -1; | |
5898 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5899 | return -1; | |
5900 | break; | |
5901 | ||
5902 | case 0xeb31: /* CDSY - compare double and swap */ | |
5903 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5904 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5905 | return -1; | |
5906 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5907 | return -1; | |
5908 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5909 | return -1; | |
5910 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5911 | return -1; | |
5912 | break; | |
5913 | ||
5914 | /* 0xeb32-0xeb3d undefined */ | |
5915 | ||
5916 | case 0xeb3e: /* CDSG - compare double and swap */ | |
5917 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5918 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5919 | return -1; | |
5920 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5921 | return -1; | |
5922 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5923 | return -1; | |
5924 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5925 | return -1; | |
5926 | break; | |
5927 | ||
5928 | /* 0xeb3f-0xeb43 undefined */ | |
5929 | /* 0xeb46-0xeb4b undefined */ | |
5930 | /* 0xeb4d-0xeb50 undefined */ | |
5931 | ||
5932 | case 0xeb52: /* MVIY - move */ | |
5933 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5934 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
5935 | return -1; | |
5936 | break; | |
5937 | ||
5938 | case 0xeb54: /* NIY - and */ | |
5939 | case 0xeb56: /* OIY - or */ | |
5940 | case 0xeb57: /* XIY - xor */ | |
5941 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5942 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
5943 | return -1; | |
5944 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5945 | return -1; | |
5946 | break; | |
5947 | ||
5948 | /* 0xeb53 undefined */ | |
5949 | /* 0xeb58-0xeb69 undefined */ | |
5950 | ||
5951 | case 0xeb6a: /* ASI - add immediate */ | |
5952 | case 0xeb6e: /* ALSI - add immediate */ | |
5953 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5954 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5955 | return -1; | |
5956 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5957 | return -1; | |
5958 | break; | |
5959 | ||
5960 | /* 0xeb6b-0xeb6d undefined */ | |
5961 | /* 0xeb6f-0xeb79 undefined */ | |
5962 | ||
5963 | case 0xeb7a: /* AGSI - add immediate */ | |
5964 | case 0xeb7e: /* ALGSI - add immediate */ | |
5965 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
5966 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5967 | return -1; | |
5968 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5969 | return -1; | |
5970 | break; | |
5971 | ||
5972 | /* 0xeb7b-0xeb7d undefined */ | |
5973 | /* 0xeb7f undefined */ | |
5974 | ||
5975 | case 0xeb80: /* ICMH - insert characters under mask */ | |
5976 | /* 32-bit high gpr destination + flags */ | |
5977 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5978 | return -1; | |
5979 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5980 | return -1; | |
5981 | break; | |
5982 | ||
5983 | /* 0xeb82-0xeb8d undefined */ | |
5984 | ||
5985 | case 0xeb8e: /* MVCLU - move long unicode [partial] */ | |
5986 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
5987 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5988 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
5989 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
5990 | return -1; | |
5991 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5992 | return -1; | |
5993 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5994 | return -1; | |
5995 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
5996 | return -1; | |
5997 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
5998 | return -1; | |
5999 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6000 | return -1; | |
6001 | break; | |
6002 | ||
6003 | case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */ | |
6004 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6005 | return -1; | |
6006 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6007 | return -1; | |
6008 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6009 | return -1; | |
6010 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
6011 | return -1; | |
6012 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6013 | return -1; | |
6014 | break; | |
6015 | ||
6016 | /* 0xeb91-0xeb95 undefined */ | |
6017 | ||
6018 | case 0xeb96: /* LMH - load multiple high */ | |
6019 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6020 | if (s390_record_gpr_h (gdbarch, regcache, i)) | |
6021 | return -1; | |
6022 | if (s390_record_gpr_h (gdbarch, regcache, inib[3])) | |
6023 | return -1; | |
6024 | break; | |
6025 | ||
6026 | /* 0xeb97 undefined */ | |
6027 | ||
6028 | case 0xeb98: /* LMY - load multiple */ | |
6029 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6030 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
6031 | return -1; | |
6032 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6033 | return -1; | |
6034 | break; | |
6035 | ||
6036 | /* 0xeb99 undefined */ | |
6037 | ||
6038 | case 0xeb9a: /* LAMY - load access multiple */ | |
6039 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6040 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
6041 | return -1; | |
6042 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
6043 | return -1; | |
6044 | break; | |
6045 | ||
6046 | /* 0xeb9c-0xebbf undefined */ | |
6047 | /* 0xebc1-0xebdb undefined */ | |
6048 | /* 0xebe5 undefined */ | |
6049 | /* 0xebe9 undefined */ | |
6050 | /* 0xebeb-0xebf1 undefined */ | |
6051 | /* 0xebf5 undefined */ | |
6052 | /* 0xebf9 undefined */ | |
6053 | /* 0xebfb-0xebff undefined */ | |
6054 | ||
6055 | /* 0xed00-0xed03 undefined */ | |
6056 | ||
6057 | case 0xed04: /* LDEB - load lengthened */ | |
6058 | case 0xed0c: /* MDEB - multiply */ | |
6059 | case 0xed0d: /* DEB - divide */ | |
6060 | case 0xed14: /* SQEB - square root */ | |
6061 | case 0xed15: /* SQDB - square root */ | |
6062 | case 0xed17: /* MEEB - multiply */ | |
6063 | case 0xed1c: /* MDB - multiply */ | |
6064 | case 0xed1d: /* DDB - divide */ | |
6065 | /* float destination + fpc */ | |
6066 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6067 | return -1; | |
6068 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6069 | return -1; | |
6070 | break; | |
6071 | ||
6072 | case 0xed05: /* LXDB - load lengthened */ | |
6073 | case 0xed06: /* LXEB - load lengthened */ | |
6074 | case 0xed07: /* MXDB - multiply */ | |
6075 | /* float pair destination + fpc */ | |
6076 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6077 | return -1; | |
6078 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
6079 | return -1; | |
6080 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6081 | return -1; | |
6082 | break; | |
6083 | ||
6084 | case 0xed0a: /* AEB - add */ | |
6085 | case 0xed0b: /* SEB - subtract */ | |
6086 | case 0xed1a: /* ADB - add */ | |
6087 | case 0xed1b: /* SDB - subtract */ | |
6088 | /* float destination + flags + fpc */ | |
6089 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6090 | return -1; | |
6091 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6092 | return -1; | |
6093 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6094 | return -1; | |
6095 | break; | |
6096 | ||
6097 | case 0xed0e: /* MAEB - multiply and add */ | |
6098 | case 0xed0f: /* MSEB - multiply and subtract */ | |
6099 | case 0xed1e: /* MADB - multiply and add */ | |
6100 | case 0xed1f: /* MSDB - multiply and subtract */ | |
6101 | case 0xed40: /* SLDT - shift significand left */ | |
6102 | case 0xed41: /* SRDT - shift significand right */ | |
6103 | case 0xedaa: /* CDZT - convert from zoned */ | |
6104 | case 0xedae: /* CDPT - convert from packed */ | |
6105 | /* float destination [RXF] + fpc */ | |
6106 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6107 | return -1; | |
6108 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6109 | return -1; | |
6110 | break; | |
6111 | ||
6112 | /* 0xed13 undefined */ | |
6113 | /* 0xed16 undefined */ | |
6114 | /* 0xed20-0xed23 undefined */ | |
6115 | ||
6116 | case 0xed24: /* LDE - load lengthened */ | |
6117 | case 0xed34: /* SQE - square root */ | |
6118 | case 0xed35: /* SQD - square root */ | |
6119 | case 0xed37: /* MEE - multiply */ | |
6120 | case 0xed64: /* LEY - load */ | |
6121 | case 0xed65: /* LDY - load */ | |
6122 | /* float destination */ | |
6123 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6124 | return -1; | |
6125 | break; | |
6126 | ||
6127 | case 0xed25: /* LXD - load lengthened */ | |
6128 | case 0xed26: /* LXE - load lengthened */ | |
6129 | /* float pair destination */ | |
6130 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6131 | return -1; | |
6132 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
6133 | return -1; | |
6134 | break; | |
6135 | ||
6136 | /* 0xed27-0xed2d undefined */ | |
6137 | ||
6138 | case 0xed2e: /* MAE - multiply and add */ | |
6139 | case 0xed2f: /* MSE - multiply and subtract */ | |
6140 | case 0xed38: /* MAYL - multiply and add unnormalized */ | |
6141 | case 0xed39: /* MYL - multiply unnormalized */ | |
6142 | case 0xed3c: /* MAYH - multiply and add unnormalized */ | |
6143 | case 0xed3d: /* MYH - multiply unnormalized */ | |
6144 | case 0xed3e: /* MAD - multiply and add */ | |
6145 | case 0xed3f: /* MSD - multiply and subtract */ | |
6146 | /* float destination [RXF] */ | |
6147 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6148 | return -1; | |
6149 | break; | |
6150 | ||
6151 | /* 0xed30-0xed33 undefined */ | |
6152 | /* 0xed36 undefined */ | |
6153 | ||
6154 | case 0xed3a: /* MAY - multiply and add unnormalized */ | |
6155 | case 0xed3b: /* MY - multiply unnormalized */ | |
6156 | /* float pair destination [RXF] */ | |
6157 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6158 | return -1; | |
6159 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
6160 | return -1; | |
6161 | break; | |
6162 | ||
6163 | /* 0xed42-0xed47 undefind */ | |
6164 | ||
6165 | case 0xed48: /* SLXT - shift significand left */ | |
6166 | case 0xed49: /* SRXT - shift significand right */ | |
6167 | case 0xedab: /* CXZT - convert from zoned */ | |
6168 | case 0xedaf: /* CXPT - convert from packed */ | |
6169 | /* float pair destination [RXF] + fpc */ | |
6170 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6171 | return -1; | |
6172 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
6173 | return -1; | |
6174 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6175 | return -1; | |
6176 | break; | |
6177 | ||
6178 | /* 0xed4a-0xed4f undefind */ | |
6179 | /* 0xed52-0xed53 undefind */ | |
6180 | /* 0xed56-0xed57 undefind */ | |
6181 | /* 0xed5a-0xed63 undefind */ | |
6182 | /* 0xed68-0xeda7 undefined */ | |
6183 | ||
6184 | case 0xeda8: /* CZDT - convert to zoned */ | |
6185 | case 0xeda9: /* CZXT - convert to zoned */ | |
6186 | case 0xedac: /* CPDT - convert to packed */ | |
6187 | case 0xedad: /* CPXT - convert to packed */ | |
6188 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6189 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
6190 | return -1; | |
6191 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6192 | return -1; | |
6193 | break; | |
6194 | ||
6195 | /* 0xedb0-0xedff undefined */ | |
6196 | ||
6197 | default: | |
6198 | goto UNKNOWN_OP; | |
6199 | } | |
6200 | break; | |
6201 | ||
6202 | /* 0xe4 undefined */ | |
6203 | ||
6204 | case 0xe5: | |
6205 | /* SSE/SIL-format instruction */ | |
6206 | switch (insn[0]) | |
6207 | { | |
6208 | /* 0xe500-0xe543 undefined, privileged, or unsupported */ | |
6209 | ||
6210 | case 0xe544: /* MVHHI - move */ | |
6211 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6212 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6213 | return -1; | |
6214 | break; | |
6215 | ||
6216 | /* 0xe545-0xe547 undefined */ | |
6217 | ||
6218 | case 0xe548: /* MVGHI - move */ | |
6219 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6220 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6221 | return -1; | |
6222 | break; | |
6223 | ||
6224 | /* 0xe549-0xe54b undefined */ | |
6225 | ||
6226 | case 0xe54c: /* MVHI - move */ | |
6227 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6228 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6229 | return -1; | |
6230 | break; | |
6231 | ||
6232 | /* 0xe54d-0xe553 undefined */ | |
6233 | ||
6234 | case 0xe554: /* CHHSI - compare halfword immediate */ | |
6235 | case 0xe555: /* CLHHSI - compare logical immediate */ | |
6236 | case 0xe558: /* CGHSI - compare halfword immediate */ | |
6237 | case 0xe559: /* CLGHSI - compare logical immediate */ | |
6238 | case 0xe55c: /* CHSI - compare halfword immediate */ | |
6239 | case 0xe55d: /* CLFHSI - compare logical immediate */ | |
6240 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6241 | return -1; | |
6242 | break; | |
6243 | ||
6244 | /* 0xe556-0xe557 undefined */ | |
6245 | /* 0xe55a-0xe55b undefined */ | |
6246 | /* 0xe55e-0xe55f undefined */ | |
6247 | ||
6248 | case 0xe560: /* TBEGIN - transaction begin */ | |
6249 | /* The transaction will be immediately aborted after this | |
6250 | instruction, due to single-stepping. This instruction is | |
6251 | only supported so that the program can fail a few times | |
6252 | and go to the non-transactional fallback. */ | |
6253 | if (inib[4]) | |
6254 | { | |
6255 | /* Transaction diagnostic block - user. */ | |
6256 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6257 | if (record_full_arch_list_add_mem (oaddr, 256)) | |
6258 | return -1; | |
6259 | } | |
6260 | /* Transaction diagnostic block - supervisor. */ | |
6261 | if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM)) | |
6262 | return -1; | |
6263 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM)) | |
6264 | return -1; | |
6265 | if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM)) | |
6266 | return -1; | |
6267 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM)) | |
6268 | return -1; | |
6269 | for (i = 0; i < 16; i++) | |
6270 | if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i)) | |
6271 | return -1; | |
6272 | /* And flags. */ | |
6273 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6274 | return -1; | |
6275 | break; | |
6276 | ||
6277 | /* 0xe561 unsupported: TBEGINC */ | |
6278 | /* 0xe562-0xe5ff undefined */ | |
6279 | ||
6280 | default: | |
6281 | goto UNKNOWN_OP; | |
6282 | } | |
6283 | break; | |
6284 | ||
6285 | case 0xec: | |
6286 | /* RIE/RIS/RRS-format instruction */ | |
6287 | switch (ibyte[0] << 8 | ibyte[5]) | |
6288 | { | |
6289 | /* 0xec00-0xec41 undefined */ | |
6290 | ||
6291 | case 0xec42: /* LOCHI - load halfword immediate on condition */ | |
6292 | case 0xec51: /* RISBLG - rotate then insert selected bits low */ | |
6293 | /* 32-bit or native gpr destination */ | |
6294 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6295 | return -1; | |
6296 | break; | |
6297 | ||
6298 | /* 0xec43 undefined */ | |
6299 | ||
6300 | case 0xec44: /* BRXHG - branch relative on index high */ | |
6301 | case 0xec45: /* BRXLG - branch relative on index low or equal */ | |
6302 | case 0xec46: /* LOCGHI - load halfword immediate on condition */ | |
6303 | case 0xec59: /* RISBGN - rotate then insert selected bits */ | |
6304 | /* 64-bit gpr destination */ | |
6305 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6306 | return -1; | |
6307 | break; | |
6308 | ||
6309 | /* 0xec47-0xec4d undefined */ | |
6310 | ||
6311 | case 0xec4e: /* LOCHHI - load halfword immediate on condition */ | |
6312 | case 0xec5d: /* RISBHG - rotate then insert selected bits high */ | |
6313 | /* 32-bit high gpr destination */ | |
6314 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6315 | return -1; | |
6316 | break; | |
6317 | ||
6318 | /* 0xec4f-0xec50 undefined */ | |
6319 | /* 0xec52-0xec53 undefined */ | |
6320 | ||
6321 | case 0xec54: /* RNSBG - rotate then and selected bits */ | |
6322 | case 0xec55: /* RISBG - rotate then insert selected bits */ | |
6323 | case 0xec56: /* ROSBG - rotate then or selected bits */ | |
6324 | case 0xec57: /* RXSBG - rotate then xor selected bits */ | |
6325 | case 0xecd9: /* AGHIK - add immediate */ | |
6326 | case 0xecdb: /* ALGHSIK - add logical immediate */ | |
6327 | /* 64-bit gpr destination + flags */ | |
6328 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6329 | return -1; | |
6330 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6331 | return -1; | |
6332 | break; | |
6333 | ||
6334 | /* 0xec58 undefined */ | |
6335 | /* 0xec5a-0xec5c undefined */ | |
6336 | /* 0xec5e-0xec63 undefined */ | |
6337 | ||
6338 | case 0xec64: /* CGRJ - compare and branch relative */ | |
6339 | case 0xec65: /* CLGRJ - compare logical and branch relative */ | |
6340 | case 0xec76: /* CRJ - compare and branch relative */ | |
6341 | case 0xec77: /* CLRJ - compare logical and branch relative */ | |
6342 | case 0xec7c: /* CGIJ - compare immediate and branch relative */ | |
6343 | case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */ | |
6344 | case 0xec7e: /* CIJ - compare immediate and branch relative */ | |
6345 | case 0xec7f: /* CLIJ - compare logical immediate and branch relative */ | |
6346 | case 0xece4: /* CGRB - compare and branch */ | |
6347 | case 0xece5: /* CLGRB - compare logical and branch */ | |
6348 | case 0xecf6: /* CRB - compare and branch */ | |
6349 | case 0xecf7: /* CLRB - compare logical and branch */ | |
6350 | case 0xecfc: /* CGIB - compare immediate and branch */ | |
6351 | case 0xecfd: /* CLGIB - compare logical immediate and branch */ | |
6352 | case 0xecfe: /* CIB - compare immediate and branch */ | |
6353 | case 0xecff: /* CLIB - compare logical immediate and branch */ | |
6354 | break; | |
6355 | ||
6356 | /* 0xec66-0xec6f undefined */ | |
6357 | ||
6358 | case 0xec70: /* CGIT - compare immediate and trap */ | |
6359 | case 0xec71: /* CLGIT - compare logical immediate and trap */ | |
6360 | case 0xec72: /* CIT - compare immediate and trap */ | |
6361 | case 0xec73: /* CLFIT - compare logical immediate and trap */ | |
6362 | /* fpc only - including possible DXC write for trapping insns */ | |
6363 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6364 | return -1; | |
6365 | break; | |
6366 | ||
6367 | /* 0xec74-0xec75 undefined */ | |
6368 | /* 0xec78-0xec7b undefined */ | |
6369 | ||
6370 | /* 0xec80-0xecd7 undefined */ | |
6371 | ||
6372 | case 0xecd8: /* AHIK - add immediate */ | |
6373 | case 0xecda: /* ALHSIK - add logical immediate */ | |
6374 | /* 32-bit gpr destination + flags */ | |
6375 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6376 | return -1; | |
6377 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6378 | return -1; | |
6379 | break; | |
6380 | ||
6381 | /* 0xecdc-0xece3 undefined */ | |
6382 | /* 0xece6-0xecf5 undefined */ | |
6383 | /* 0xecf8-0xecfb undefined */ | |
6384 | ||
6385 | default: | |
6386 | goto UNKNOWN_OP; | |
6387 | } | |
6388 | break; | |
6389 | ||
6390 | case 0xee: /* PLO - perform locked operation */ | |
6391 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
6392 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6393 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
6394 | if (!(tmp & 0x100)) | |
6395 | { | |
6396 | uint8_t fc = tmp & 0xff; | |
6397 | gdb_byte buf[8]; | |
6398 | switch (fc) | |
6399 | { | |
6400 | case 0x00: /* CL */ | |
6401 | /* op1c */ | |
6402 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6403 | return -1; | |
6404 | /* op3 */ | |
6405 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6406 | return -1; | |
6407 | break; | |
6408 | ||
6409 | case 0x01: /* CLG */ | |
6410 | /* op1c */ | |
6411 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
6412 | return -1; | |
6413 | /* op3 */ | |
6414 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
6415 | return -1; | |
6416 | break; | |
6417 | ||
6418 | case 0x02: /* CLGR */ | |
6419 | /* op1c */ | |
6420 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6421 | return -1; | |
6422 | /* op3 */ | |
6423 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
6424 | return -1; | |
6425 | break; | |
6426 | ||
6427 | case 0x03: /* CLX */ | |
6428 | /* op1c */ | |
6429 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
6430 | return -1; | |
6431 | /* op3 */ | |
6432 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
6433 | return -1; | |
6434 | break; | |
6435 | ||
6436 | case 0x08: /* DCS */ | |
6437 | /* op3c */ | |
6438 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6439 | return -1; | |
6440 | /* fallthru */ | |
6441 | case 0x0c: /* CSST */ | |
6442 | /* op4 */ | |
6443 | if (record_full_arch_list_add_mem (oaddr2, 4)) | |
6444 | return -1; | |
6445 | goto CS; | |
6446 | ||
6447 | case 0x14: /* CSTST */ | |
6448 | /* op8 */ | |
6449 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
6450 | return -1; | |
6451 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6452 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6453 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
6454 | return -1; | |
6455 | /* fallthru */ | |
6456 | case 0x10: /* CSDST */ | |
6457 | /* op6 */ | |
6458 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
6459 | return -1; | |
6460 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6461 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6462 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
6463 | return -1; | |
6464 | /* op4 */ | |
6465 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
6466 | return -1; | |
6467 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6468 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6469 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
6470 | return -1; | |
6471 | /* fallthru */ | |
6472 | case 0x04: /* CS */ | |
6473 | CS: | |
6474 | /* op1c */ | |
6475 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6476 | return -1; | |
6477 | /* op2 */ | |
6478 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6479 | return -1; | |
6480 | break; | |
6481 | ||
6482 | case 0x09: /* DCSG */ | |
6483 | /* op3c */ | |
6484 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
6485 | return -1; | |
6486 | goto CSSTG; | |
6487 | ||
6488 | case 0x15: /* CSTSTG */ | |
6489 | /* op8 */ | |
6490 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
6491 | return -1; | |
6492 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6493 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6494 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
6495 | return -1; | |
6496 | /* fallthru */ | |
6497 | case 0x11: /* CSDSTG */ | |
6498 | /* op6 */ | |
6499 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
6500 | return -1; | |
6501 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6502 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6503 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
6504 | return -1; | |
6505 | /* fallthru */ | |
6506 | case 0x0d: /* CSSTG */ | |
6507 | CSSTG: | |
6508 | /* op4 */ | |
6509 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
6510 | return -1; | |
6511 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6512 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6513 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
6514 | return -1; | |
6515 | /* fallthru */ | |
6516 | case 0x05: /* CSG */ | |
6517 | /* op1c */ | |
6518 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
6519 | return -1; | |
6520 | /* op2 */ | |
6521 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6522 | return -1; | |
6523 | break; | |
6524 | ||
6525 | case 0x0a: /* DCSGR */ | |
6526 | /* op3c */ | |
6527 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
6528 | return -1; | |
6529 | /* fallthru */ | |
6530 | case 0x0e: /* CSSTGR */ | |
6531 | /* op4 */ | |
6532 | if (record_full_arch_list_add_mem (oaddr2, 8)) | |
6533 | return -1; | |
6534 | goto CSGR; | |
6535 | ||
6536 | case 0x16: /* CSTSTGR */ | |
6537 | /* op8 */ | |
6538 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
6539 | return -1; | |
6540 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6541 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6542 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
6543 | return -1; | |
6544 | /* fallthru */ | |
6545 | case 0x12: /* CSDSTGR */ | |
6546 | /* op6 */ | |
6547 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
6548 | return -1; | |
6549 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6550 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6551 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
6552 | return -1; | |
6553 | /* op4 */ | |
6554 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
6555 | return -1; | |
6556 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6557 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6558 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
6559 | return -1; | |
6560 | /* fallthru */ | |
6561 | case 0x06: /* CSGR */ | |
6562 | CSGR: | |
6563 | /* op1c */ | |
6564 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6565 | return -1; | |
6566 | /* op2 */ | |
6567 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6568 | return -1; | |
6569 | break; | |
6570 | ||
6571 | case 0x0b: /* DCSX */ | |
6572 | /* op3c */ | |
6573 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
6574 | return -1; | |
6575 | goto CSSTX; | |
6576 | ||
6577 | case 0x17: /* CSTSTX */ | |
6578 | /* op8 */ | |
6579 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
6580 | return -1; | |
6581 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6582 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6583 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
6584 | return -1; | |
6585 | /* fallthru */ | |
6586 | case 0x13: /* CSDSTX */ | |
6587 | /* op6 */ | |
6588 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
6589 | return -1; | |
6590 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6591 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6592 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
6593 | return -1; | |
6594 | /* fallthru */ | |
6595 | case 0x0f: /* CSSTX */ | |
6596 | CSSTX: | |
6597 | /* op4 */ | |
6598 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
6599 | return -1; | |
6600 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
6601 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
6602 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
6603 | return -1; | |
6604 | /* fallthru */ | |
6605 | case 0x07: /* CSX */ | |
6606 | /* op1c */ | |
6607 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
6608 | return -1; | |
6609 | /* op2 */ | |
6610 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6611 | return -1; | |
6612 | break; | |
6613 | ||
6614 | default: | |
6615 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n", | |
6616 | fc, paddress (gdbarch, addr)); | |
6617 | return -1; | |
6618 | } | |
6619 | } | |
6620 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6621 | return -1; | |
6622 | break; | |
6623 | ||
6624 | case 0xef: /* LMD - load multiple disjoint */ | |
6625 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6626 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
6627 | return -1; | |
6628 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
6629 | return -1; | |
6630 | break; | |
6631 | ||
6632 | case 0xf0: /* SRP - shift and round decimal */ | |
6633 | case 0xf8: /* ZAP - zero and add */ | |
6634 | case 0xfa: /* AP - add decimal */ | |
6635 | case 0xfb: /* SP - subtract decimal */ | |
6636 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6637 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
6638 | return -1; | |
6639 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6640 | return -1; | |
6641 | /* DXC may be written */ | |
6642 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6643 | return -1; | |
6644 | break; | |
6645 | ||
6646 | case 0xf1: /* MVO - move with offset */ | |
6647 | case 0xf2: /* PACK - pack */ | |
6648 | case 0xf3: /* UNPK - unpack */ | |
6649 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6650 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
6651 | return -1; | |
6652 | break; | |
6653 | ||
6654 | /* 0xf4-0xf7 undefined */ | |
6655 | ||
6656 | case 0xf9: /* CP - compare decimal */ | |
6657 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6658 | return -1; | |
6659 | /* DXC may be written */ | |
6660 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6661 | return -1; | |
6662 | break; | |
6663 | ||
6664 | case 0xfc: /* MP - multiply decimal */ | |
6665 | case 0xfd: /* DP - divide decimal */ | |
6666 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6667 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
6668 | return -1; | |
6669 | /* DXC may be written */ | |
6670 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6671 | return -1; | |
6672 | break; | |
6673 | ||
6674 | /* 0xfe-0xff undefined */ | |
6675 | ||
6676 | default: | |
6677 | UNKNOWN_OP: | |
6678 | fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x " | |
6679 | "at %s.\n", insn[0], paddress (gdbarch, addr)); | |
6680 | return -1; | |
6681 | } | |
6682 | ||
6683 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) | |
6684 | return -1; | |
6685 | if (record_full_arch_list_add_end ()) | |
6686 | return -1; | |
6687 | return 0; | |
6688 | } | |
6689 | ||
d6e58945 PR |
6690 | /* Miscellaneous. */ |
6691 | ||
6692 | /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or | |
6693 | "-mcmodel=large". */ | |
6694 | ||
6695 | static char * | |
6696 | s390_gcc_target_options (struct gdbarch *gdbarch) | |
6697 | { | |
6698 | return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31"); | |
6699 | } | |
6700 | ||
6701 | /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*" | |
6702 | for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is | |
6703 | always "s390". Note that an s390x compiler supports "-m31" as | |
6704 | well. */ | |
6705 | ||
6706 | static const char * | |
6707 | s390_gnu_triplet_regexp (struct gdbarch *gdbarch) | |
6708 | { | |
6709 | return "s390x?"; | |
6710 | } | |
6711 | ||
6712 | /* Implementation of `gdbarch_stap_is_single_operand', as defined in | |
6713 | gdbarch.h. */ | |
6714 | ||
6715 | static int | |
6716 | s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s) | |
6717 | { | |
6718 | return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement | |
6719 | or indirection. */ | |
6720 | || *s == '%' /* Register access. */ | |
6721 | || isdigit (*s)); /* Literal number. */ | |
6722 | } | |
6723 | ||
6724 | /* gdbarch init. */ | |
6725 | ||
6726 | /* Validate the range of registers. NAMES must be known at compile time. */ | |
6727 | ||
6728 | #define s390_validate_reg_range(feature, tdesc_data, start, names) \ | |
6729 | do \ | |
6730 | { \ | |
6731 | for (int i = 0; i < ARRAY_SIZE (names); i++) \ | |
6732 | if (!tdesc_numbered_register (feature, tdesc_data, start + i, names[i])) \ | |
6733 | return false; \ | |
6734 | } \ | |
6735 | while (0) | |
6736 | ||
6737 | /* Validate the target description. Also numbers registers contained in | |
6738 | tdesc. */ | |
6739 | ||
6740 | static bool | |
6741 | s390_tdesc_valid (struct gdbarch_tdep *tdep, | |
6742 | struct tdesc_arch_data *tdesc_data) | |
6743 | { | |
6744 | static const char *const psw[] = { | |
6745 | "pswm", "pswa" | |
6746 | }; | |
6747 | static const char *const gprs[] = { | |
6748 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
6749 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
6750 | }; | |
6751 | static const char *const fprs[] = { | |
6752 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", | |
6753 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15" | |
6754 | }; | |
6755 | static const char *const acrs[] = { | |
6756 | "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7", | |
6757 | "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15" | |
6758 | }; | |
6759 | static const char *const gprs_lower[] = { | |
6760 | "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l", | |
6761 | "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l" | |
6762 | }; | |
6763 | static const char *const gprs_upper[] = { | |
6764 | "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h", | |
6765 | "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h" | |
6766 | }; | |
6767 | static const char *const tdb_regs[] = { | |
6768 | "tdb0", "tac", "tct", "atia", | |
6769 | "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7", | |
6770 | "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15" | |
6771 | }; | |
6772 | static const char *const vxrs_low[] = { | |
6773 | "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l", | |
6774 | "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l", | |
6775 | }; | |
6776 | static const char *const vxrs_high[] = { | |
6777 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", | |
6778 | "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
6779 | }; | |
6780 | static const char *const gs_cb[] = { | |
6781 | "gsd", "gssm", "gsepla", | |
6782 | }; | |
6783 | static const char *const gs_bc[] = { | |
6784 | "bc_gsd", "bc_gssm", "bc_gsepla", | |
6785 | }; | |
6786 | ||
6787 | const struct target_desc *tdesc = tdep->tdesc; | |
6788 | const struct tdesc_feature *feature; | |
6789 | ||
c81e8879 PR |
6790 | if (!tdesc_has_registers (tdesc)) |
6791 | return false; | |
6792 | ||
d6e58945 PR |
6793 | /* Core registers, i.e. general purpose and PSW. */ |
6794 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core"); | |
6795 | if (feature == NULL) | |
6796 | return false; | |
6797 | ||
6798 | s390_validate_reg_range (feature, tdesc_data, S390_PSWM_REGNUM, psw); | |
6799 | ||
6800 | if (tdesc_unnumbered_register (feature, "r0")) | |
6801 | { | |
6802 | s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM, gprs); | |
6803 | } | |
6804 | else | |
6805 | { | |
6806 | tdep->have_upper = true; | |
6807 | s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM, | |
6808 | gprs_lower); | |
6809 | s390_validate_reg_range (feature, tdesc_data, S390_R0_UPPER_REGNUM, | |
6810 | gprs_upper); | |
6811 | } | |
6812 | ||
6813 | /* Floating point registers. */ | |
6814 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr"); | |
6815 | if (feature == NULL) | |
6816 | return false; | |
6817 | ||
6818 | if (!tdesc_numbered_register (feature, tdesc_data, S390_FPC_REGNUM, "fpc")) | |
6819 | return false; | |
6820 | ||
6821 | s390_validate_reg_range (feature, tdesc_data, S390_F0_REGNUM, fprs); | |
6822 | ||
6823 | /* Access control registers. */ | |
6824 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr"); | |
6825 | if (feature == NULL) | |
6826 | return false; | |
6827 | ||
6828 | s390_validate_reg_range (feature, tdesc_data, S390_A0_REGNUM, acrs); | |
6829 | ||
6830 | /* Optional GNU/Linux-specific "registers". */ | |
6831 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux"); | |
6832 | if (feature) | |
6833 | { | |
6834 | tdesc_numbered_register (feature, tdesc_data, | |
6835 | S390_ORIG_R2_REGNUM, "orig_r2"); | |
6836 | ||
6837 | if (tdesc_numbered_register (feature, tdesc_data, | |
6838 | S390_LAST_BREAK_REGNUM, "last_break")) | |
6839 | tdep->have_linux_v1 = true; | |
6840 | ||
6841 | if (tdesc_numbered_register (feature, tdesc_data, | |
6842 | S390_SYSTEM_CALL_REGNUM, "system_call")) | |
6843 | tdep->have_linux_v2 = true; | |
6844 | ||
6845 | if (tdep->have_linux_v2 && !tdep->have_linux_v1) | |
6846 | return false; | |
6847 | } | |
6848 | ||
6849 | /* Transaction diagnostic block. */ | |
6850 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb"); | |
6851 | if (feature) | |
6852 | { | |
6853 | s390_validate_reg_range (feature, tdesc_data, S390_TDB_DWORD0_REGNUM, | |
6854 | tdb_regs); | |
6855 | tdep->have_tdb = true; | |
6856 | } | |
6857 | ||
6858 | /* Vector registers. */ | |
6859 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx"); | |
6860 | if (feature) | |
6861 | { | |
6862 | s390_validate_reg_range (feature, tdesc_data, S390_V0_LOWER_REGNUM, | |
6863 | vxrs_low); | |
6864 | s390_validate_reg_range (feature, tdesc_data, S390_V16_REGNUM, | |
6865 | vxrs_high); | |
6866 | tdep->have_vx = true; | |
6867 | } | |
6868 | ||
6869 | /* Guarded-storage registers. */ | |
6870 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gs"); | |
6871 | if (feature) | |
6872 | { | |
6873 | s390_validate_reg_range (feature, tdesc_data, S390_GSD_REGNUM, gs_cb); | |
6874 | tdep->have_gs = true; | |
6875 | } | |
6876 | ||
6877 | /* Guarded-storage broadcast control. */ | |
6878 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gsbc"); | |
6879 | if (feature) | |
6880 | { | |
6881 | if (!tdep->have_gs) | |
6882 | return false; | |
6883 | s390_validate_reg_range (feature, tdesc_data, S390_BC_GSD_REGNUM, | |
6884 | gs_bc); | |
6885 | } | |
6886 | ||
6887 | return true; | |
6888 | } | |
6889 | ||
6890 | /* Allocate and initialize new gdbarch_tdep. Caller is responsible to free | |
6891 | memory after use. */ | |
6892 | ||
6893 | static struct gdbarch_tdep * | |
6894 | s390_gdbarch_tdep_alloc () | |
6895 | { | |
6896 | struct gdbarch_tdep *tdep = XCNEW (struct gdbarch_tdep); | |
6897 | ||
6898 | tdep->tdesc = NULL; | |
6899 | ||
6900 | tdep->abi = ABI_NONE; | |
6901 | tdep->vector_abi = S390_VECTOR_ABI_NONE; | |
6902 | ||
6903 | tdep->gpr_full_regnum = -1; | |
6904 | tdep->v0_full_regnum = -1; | |
6905 | tdep->pc_regnum = -1; | |
6906 | tdep->cc_regnum = -1; | |
6907 | ||
6908 | tdep->have_upper = false; | |
6909 | tdep->have_linux_v1 = false; | |
6910 | tdep->have_linux_v2 = false; | |
6911 | tdep->have_tdb = false; | |
6912 | tdep->have_vx = false; | |
6913 | tdep->have_gs = false; | |
6914 | ||
6915 | tdep->s390_syscall_record = NULL; | |
6916 | ||
6917 | return tdep; | |
6918 | } | |
6919 | ||
6920 | /* Set up gdbarch struct. */ | |
6921 | ||
6922 | static struct gdbarch * | |
6923 | s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) | |
6924 | { | |
6925 | const struct target_desc *tdesc = info.target_desc; | |
6926 | int first_pseudo_reg, last_pseudo_reg; | |
6927 | static const char *const stap_register_prefixes[] = { "%", NULL }; | |
6928 | static const char *const stap_register_indirection_prefixes[] = { "(", | |
6929 | NULL }; | |
6930 | static const char *const stap_register_indirection_suffixes[] = { ")", | |
6931 | NULL }; | |
6932 | ||
d6e58945 PR |
6933 | struct gdbarch_tdep *tdep = s390_gdbarch_tdep_alloc (); |
6934 | struct gdbarch *gdbarch = gdbarch_alloc (&info, tdep); | |
6935 | struct tdesc_arch_data *tdesc_data = tdesc_data_alloc (); | |
6936 | info.tdesc_data = tdesc_data; | |
6937 | ||
6938 | set_gdbarch_believe_pcc_promotion (gdbarch, 0); | |
6939 | set_gdbarch_char_signed (gdbarch, 0); | |
6940 | ||
6941 | /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles. | |
6942 | We can safely let them default to 128-bit, since the debug info | |
6943 | will give the size of type actually used in each case. */ | |
6944 | set_gdbarch_long_double_bit (gdbarch, 128); | |
6945 | set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad); | |
6946 | ||
6947 | /* Breakpoints. */ | |
6948 | /* Amount PC must be decremented by after a breakpoint. This is | |
6949 | often the number of bytes returned by gdbarch_breakpoint_from_pc but not | |
6950 | always. */ | |
6951 | set_gdbarch_decr_pc_after_break (gdbarch, 2); | |
6952 | set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc); | |
6953 | set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind); | |
6954 | ||
6955 | /* Displaced stepping. */ | |
6956 | set_gdbarch_displaced_step_copy_insn (gdbarch, | |
6957 | s390_displaced_step_copy_insn); | |
6958 | set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup); | |
6959 | set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location); | |
6960 | set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep); | |
6961 | set_gdbarch_software_single_step (gdbarch, s390_software_single_step); | |
6962 | set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE); | |
6963 | ||
6964 | /* Prologue analysis. */ | |
6965 | set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue); | |
6966 | ||
6967 | /* Register handling. */ | |
6968 | set_gdbarch_num_regs (gdbarch, S390_NUM_REGS); | |
6969 | set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM); | |
6970 | set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM); | |
6971 | set_gdbarch_guess_tracepoint_registers (gdbarch, | |
6972 | s390_guess_tracepoint_registers); | |
6973 | set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); | |
6974 | set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); | |
6975 | set_gdbarch_value_from_register (gdbarch, s390_value_from_register); | |
6976 | ||
6977 | /* Pseudo registers. */ | |
6978 | set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read); | |
6979 | set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write); | |
6980 | set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name); | |
6981 | set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type); | |
6982 | set_tdesc_pseudo_register_reggroup_p (gdbarch, | |
6983 | s390_pseudo_register_reggroup_p); | |
6984 | set_gdbarch_ax_pseudo_register_collect (gdbarch, | |
6985 | s390_ax_pseudo_register_collect); | |
6986 | set_gdbarch_ax_pseudo_register_push_stack | |
6987 | (gdbarch, s390_ax_pseudo_register_push_stack); | |
6988 | set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address); | |
6989 | ||
6990 | /* Inferior function calls. */ | |
6991 | set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call); | |
6992 | set_gdbarch_dummy_id (gdbarch, s390_dummy_id); | |
6993 | set_gdbarch_frame_align (gdbarch, s390_frame_align); | |
6994 | set_gdbarch_return_value (gdbarch, s390_return_value); | |
6995 | ||
6996 | /* Frame handling. */ | |
6997 | /* Stack grows downward. */ | |
6998 | set_gdbarch_inner_than (gdbarch, core_addr_lessthan); | |
6999 | set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p); | |
7000 | dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg); | |
7001 | dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum); | |
7002 | dwarf2_append_unwinders (gdbarch); | |
7003 | set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc); | |
7004 | set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp); | |
7005 | ||
7006 | switch (info.bfd_arch_info->mach) | |
7007 | { | |
7008 | case bfd_mach_s390_31: | |
7009 | set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove); | |
7010 | break; | |
7011 | ||
7012 | case bfd_mach_s390_64: | |
7013 | set_gdbarch_long_bit (gdbarch, 64); | |
7014 | set_gdbarch_long_long_bit (gdbarch, 64); | |
7015 | set_gdbarch_ptr_bit (gdbarch, 64); | |
7016 | set_gdbarch_address_class_type_flags (gdbarch, | |
7017 | s390_address_class_type_flags); | |
7018 | set_gdbarch_address_class_type_flags_to_name (gdbarch, | |
7019 | s390_address_class_type_flags_to_name); | |
7020 | set_gdbarch_address_class_name_to_type_flags (gdbarch, | |
7021 | s390_address_class_name_to_type_flags); | |
7022 | break; | |
7023 | } | |
7024 | ||
7025 | /* SystemTap functions. */ | |
7026 | set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); | |
7027 | set_gdbarch_stap_register_indirection_prefixes (gdbarch, | |
7028 | stap_register_indirection_prefixes); | |
7029 | set_gdbarch_stap_register_indirection_suffixes (gdbarch, | |
7030 | stap_register_indirection_suffixes); | |
7031 | ||
7032 | set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options); | |
7033 | set_gdbarch_valid_disassembler_options (gdbarch, | |
7034 | disassembler_options_s390 ()); | |
7035 | ||
ef8914a4 PR |
7036 | /* Process record-replay */ |
7037 | set_gdbarch_process_record (gdbarch, s390_process_record); | |
7038 | ||
d6e58945 PR |
7039 | /* Miscellaneous. */ |
7040 | set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand); | |
7041 | set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options); | |
7042 | set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp); | |
7043 | ||
7044 | /* Initialize the OSABI. */ | |
7045 | gdbarch_init_osabi (info, gdbarch); | |
7046 | ||
c81e8879 PR |
7047 | /* Always create a default tdesc. Otherwise commands like 'set osabi' |
7048 | cause GDB to crash with an internal error when the user tries to set | |
7049 | an unsupported OSABI. */ | |
7050 | if (!tdesc_has_registers (tdesc)) | |
7051 | { | |
7052 | if (info.bfd_arch_info->mach == bfd_mach_s390_31) | |
7053 | tdesc = tdesc_s390_linux32; | |
7054 | else | |
7055 | tdesc = tdesc_s390x_linux64; | |
7056 | } | |
7057 | tdep->tdesc = tdesc; | |
7058 | ||
d6e58945 | 7059 | /* Check any target description for validity. */ |
d6e58945 PR |
7060 | if (!s390_tdesc_valid (tdep, tdesc_data)) |
7061 | { | |
7062 | tdesc_data_cleanup (tdesc_data); | |
7063 | xfree (tdep); | |
7064 | gdbarch_free (gdbarch); | |
7065 | return NULL; | |
7066 | } | |
7067 | ||
7068 | /* Determine vector ABI. */ | |
7069 | #ifdef HAVE_ELF | |
7070 | if (tdep->have_vx | |
7071 | && info.abfd != NULL | |
7072 | && info.abfd->format == bfd_object | |
7073 | && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour | |
7074 | && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU, | |
7075 | Tag_GNU_S390_ABI_Vector) == 2) | |
7076 | tdep->vector_abi = S390_VECTOR_ABI_128; | |
7077 | #endif | |
7078 | ||
7079 | /* Find a candidate among extant architectures. */ | |
7080 | for (arches = gdbarch_list_lookup_by_info (arches, &info); | |
7081 | arches != NULL; | |
7082 | arches = gdbarch_list_lookup_by_info (arches->next, &info)) | |
7083 | { | |
7084 | struct gdbarch_tdep *tmp = gdbarch_tdep (arches->gdbarch); | |
7085 | if (!tmp) | |
7086 | continue; | |
7087 | /* A program can 'choose' not to use the vector registers when they | |
7088 | are present. Leading to the same tdesc but different tdep and | |
7089 | thereby a different gdbarch. */ | |
7090 | if (tmp->vector_abi != tdep->vector_abi) | |
7091 | continue; | |
7092 | ||
7093 | tdesc_data_cleanup (tdesc_data); | |
7094 | xfree (tdep); | |
7095 | gdbarch_free (gdbarch); | |
7096 | return arches->gdbarch; | |
7097 | } | |
7098 | ||
7099 | tdesc_use_registers (gdbarch, tdep->tdesc, tdesc_data); | |
7100 | set_gdbarch_register_name (gdbarch, s390_register_name); | |
7101 | ||
7102 | /* Assign pseudo register numbers. */ | |
7103 | first_pseudo_reg = gdbarch_num_regs (gdbarch); | |
7104 | last_pseudo_reg = first_pseudo_reg; | |
7105 | if (tdep->have_upper) | |
7106 | { | |
7107 | tdep->gpr_full_regnum = last_pseudo_reg; | |
7108 | last_pseudo_reg += 16; | |
7109 | } | |
7110 | if (tdep->have_vx) | |
7111 | { | |
7112 | tdep->v0_full_regnum = last_pseudo_reg; | |
7113 | last_pseudo_reg += 16; | |
7114 | } | |
7115 | tdep->pc_regnum = last_pseudo_reg++; | |
7116 | tdep->cc_regnum = last_pseudo_reg++; | |
7117 | set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum); | |
7118 | set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg); | |
7119 | ||
7120 | /* Frame handling. */ | |
7121 | frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); | |
7122 | frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind); | |
7123 | frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind); | |
7124 | frame_base_set_default (gdbarch, &s390_frame_base); | |
7125 | ||
7126 | return gdbarch; | |
7127 | } | |
7128 | ||
7129 | void | |
7130 | _initialize_s390_tdep (void) | |
7131 | { | |
7132 | /* Hook us into the gdbarch mechanism. */ | |
7133 | register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init); | |
c81e8879 PR |
7134 | |
7135 | initialize_tdesc_s390_linux32 (); | |
7136 | initialize_tdesc_s390x_linux64 (); | |
d6e58945 | 7137 | } |