| 1 | /* Target-dependent code for s390. |
| 2 | |
| 3 | Copyright (C) 2001-2019 Free Software Foundation, Inc. |
| 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 | |
| 43 | #include "features/s390-linux32.c" |
| 44 | #include "features/s390x-linux64.c" |
| 45 | |
| 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)); |
| 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); |
| 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; |
| 667 | secp = target_section_by_addr (current_top_target (), addr.k); |
| 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); |
| 1080 | regcache->raw_supply (S390_PSWA_REGNUM, reg); |
| 1081 | |
| 1082 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm); |
| 1083 | regcache->raw_supply (S390_PSWM_REGNUM, reg); |
| 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 | |
| 1278 | /* For the "concatenated" vector registers use the same type as v16. */ |
| 1279 | if (regnum_is_vxr_full (tdep, regnum)) |
| 1280 | return tdesc_register_type (gdbarch, S390_V16_REGNUM); |
| 1281 | |
| 1282 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
| 1283 | } |
| 1284 | |
| 1285 | /* Implement pseudo_register_read gdbarch method. */ |
| 1286 | |
| 1287 | static enum register_status |
| 1288 | s390_pseudo_register_read (struct gdbarch *gdbarch, readable_regcache *regcache, |
| 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; |
| 1409 | regcache->raw_write (S390_F0_REGNUM + regnum, buf); |
| 1410 | regcache->raw_write (S390_V0_LOWER_REGNUM + regnum, buf + 8); |
| 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) |
| 1730 | as->regcache->cooked_write_part (S390_F0_REGNUM + as->fr, 0, length, |
| 1731 | value_contents (arg)); |
| 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) |
| 1754 | as->regcache->cooked_write_part (regnum, 0, length, |
| 1755 | value_contents (arg)); |
| 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 | { |
| 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); |
| 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, |
| 1868 | function_call_return_method return_method, |
| 1869 | CORE_ADDR struct_addr) |
| 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; |
| 1883 | arg_prep.gr = (return_method == return_method_struct) ? 3 : 2; |
| 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. */ |
| 1912 | if (return_method == return_method_struct) |
| 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) |
| 1985 | regcache->cooked_write_part (S390_F0_REGNUM, 0, length, in); |
| 1986 | else |
| 1987 | regcache->cooked_read_part (S390_F0_REGNUM, 0, length, out); |
| 1988 | } |
| 1989 | else if (code == TYPE_CODE_ARRAY) |
| 1990 | { |
| 1991 | /* Vector: left-aligned in v24. */ |
| 1992 | if (in != NULL) |
| 1993 | regcache->cooked_write_part (S390_V24_REGNUM, 0, length, in); |
| 1994 | else |
| 1995 | regcache->cooked_read_part (S390_V24_REGNUM, 0, length, out); |
| 1996 | } |
| 1997 | else if (length <= word_size) |
| 1998 | { |
| 1999 | /* Integer: zero- or sign-extended in r2. */ |
| 2000 | if (out != NULL) |
| 2001 | regcache->cooked_read_part (S390_R2_REGNUM, word_size - length, length, |
| 2002 | out); |
| 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 | { |
| 2017 | regcache->cooked_write (S390_R2_REGNUM, in); |
| 2018 | regcache->cooked_write (S390_R3_REGNUM, in + word_size); |
| 2019 | } |
| 2020 | else |
| 2021 | { |
| 2022 | regcache->cooked_read (S390_R2_REGNUM, out); |
| 2023 | regcache->cooked_read (S390_R3_REGNUM, out + word_size); |
| 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; |
| 2365 | pv_t *sp2 = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
| 2366 | |
| 2367 | if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2) |
| 2368 | && pv_is_register (*sp2, S390_SP_REGNUM) |
| 2369 | && sp2->k != 0)) |
| 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 | |
| 2550 | TRY |
| 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 | } |
| 2557 | CATCH (ex, RETURN_MASK_ERROR) |
| 2558 | { |
| 2559 | if (ex.error != NOT_AVAILABLE_ERROR) |
| 2560 | throw_exception (ex); |
| 2561 | } |
| 2562 | END_CATCH |
| 2563 | |
| 2564 | return info; |
| 2565 | } |
| 2566 | |
| 2567 | /* Implement this_id frame_unwind method for s390_frame_unwind. */ |
| 2568 | |
| 2569 | static void |
| 2570 | s390_frame_this_id (struct frame_info *this_frame, |
| 2571 | void **this_prologue_cache, |
| 2572 | struct frame_id *this_id) |
| 2573 | { |
| 2574 | struct s390_unwind_cache *info |
| 2575 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
| 2576 | |
| 2577 | if (info->frame_base == -1) |
| 2578 | { |
| 2579 | if (info->func != -1) |
| 2580 | *this_id = frame_id_build_unavailable_stack (info->func); |
| 2581 | return; |
| 2582 | } |
| 2583 | |
| 2584 | *this_id = frame_id_build (info->frame_base, info->func); |
| 2585 | } |
| 2586 | |
| 2587 | /* Implement prev_register frame_unwind method for s390_frame_unwind. */ |
| 2588 | |
| 2589 | static struct value * |
| 2590 | s390_frame_prev_register (struct frame_info *this_frame, |
| 2591 | void **this_prologue_cache, int regnum) |
| 2592 | { |
| 2593 | struct s390_unwind_cache *info |
| 2594 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
| 2595 | |
| 2596 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
| 2597 | } |
| 2598 | |
| 2599 | /* Default S390 frame unwinder. */ |
| 2600 | |
| 2601 | static const struct frame_unwind s390_frame_unwind = { |
| 2602 | NORMAL_FRAME, |
| 2603 | default_frame_unwind_stop_reason, |
| 2604 | s390_frame_this_id, |
| 2605 | s390_frame_prev_register, |
| 2606 | NULL, |
| 2607 | default_frame_sniffer |
| 2608 | }; |
| 2609 | |
| 2610 | /* Code stubs and their stack frames. For things like PLTs and NULL |
| 2611 | function calls (where there is no true frame and the return address |
| 2612 | is in the RETADDR register). */ |
| 2613 | |
| 2614 | struct s390_stub_unwind_cache |
| 2615 | { |
| 2616 | CORE_ADDR frame_base; |
| 2617 | struct trad_frame_saved_reg *saved_regs; |
| 2618 | }; |
| 2619 | |
| 2620 | /* Unwind THIS_FRAME and return the corresponding unwind cache for |
| 2621 | s390_stub_frame_unwind. */ |
| 2622 | |
| 2623 | static struct s390_stub_unwind_cache * |
| 2624 | s390_stub_frame_unwind_cache (struct frame_info *this_frame, |
| 2625 | void **this_prologue_cache) |
| 2626 | { |
| 2627 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
| 2628 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
| 2629 | struct s390_stub_unwind_cache *info; |
| 2630 | ULONGEST reg; |
| 2631 | |
| 2632 | if (*this_prologue_cache) |
| 2633 | return (struct s390_stub_unwind_cache *) *this_prologue_cache; |
| 2634 | |
| 2635 | info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache); |
| 2636 | *this_prologue_cache = info; |
| 2637 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
| 2638 | |
| 2639 | /* The return address is in register %r14. */ |
| 2640 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; |
| 2641 | |
| 2642 | /* Retrieve stack pointer and determine our frame base. */ |
| 2643 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
| 2644 | info->frame_base = reg + 16*word_size + 32; |
| 2645 | |
| 2646 | return info; |
| 2647 | } |
| 2648 | |
| 2649 | /* Implement this_id frame_unwind method for s390_stub_frame_unwind. */ |
| 2650 | |
| 2651 | static void |
| 2652 | s390_stub_frame_this_id (struct frame_info *this_frame, |
| 2653 | void **this_prologue_cache, |
| 2654 | struct frame_id *this_id) |
| 2655 | { |
| 2656 | struct s390_stub_unwind_cache *info |
| 2657 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
| 2658 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); |
| 2659 | } |
| 2660 | |
| 2661 | /* Implement prev_register frame_unwind method for s390_stub_frame_unwind. */ |
| 2662 | |
| 2663 | static struct value * |
| 2664 | s390_stub_frame_prev_register (struct frame_info *this_frame, |
| 2665 | void **this_prologue_cache, int regnum) |
| 2666 | { |
| 2667 | struct s390_stub_unwind_cache *info |
| 2668 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
| 2669 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
| 2670 | } |
| 2671 | |
| 2672 | /* Implement sniffer frame_unwind method for s390_stub_frame_unwind. */ |
| 2673 | |
| 2674 | static int |
| 2675 | s390_stub_frame_sniffer (const struct frame_unwind *self, |
| 2676 | struct frame_info *this_frame, |
| 2677 | void **this_prologue_cache) |
| 2678 | { |
| 2679 | CORE_ADDR addr_in_block; |
| 2680 | bfd_byte insn[S390_MAX_INSTR_SIZE]; |
| 2681 | |
| 2682 | /* If the current PC points to non-readable memory, we assume we |
| 2683 | have trapped due to an invalid function pointer call. We handle |
| 2684 | the non-existing current function like a PLT stub. */ |
| 2685 | addr_in_block = get_frame_address_in_block (this_frame); |
| 2686 | if (in_plt_section (addr_in_block) |
| 2687 | || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0) |
| 2688 | return 1; |
| 2689 | return 0; |
| 2690 | } |
| 2691 | |
| 2692 | /* S390 stub frame unwinder. */ |
| 2693 | |
| 2694 | static const struct frame_unwind s390_stub_frame_unwind = { |
| 2695 | NORMAL_FRAME, |
| 2696 | default_frame_unwind_stop_reason, |
| 2697 | s390_stub_frame_this_id, |
| 2698 | s390_stub_frame_prev_register, |
| 2699 | NULL, |
| 2700 | s390_stub_frame_sniffer |
| 2701 | }; |
| 2702 | |
| 2703 | /* Frame base handling. */ |
| 2704 | |
| 2705 | static CORE_ADDR |
| 2706 | s390_frame_base_address (struct frame_info *this_frame, void **this_cache) |
| 2707 | { |
| 2708 | struct s390_unwind_cache *info |
| 2709 | = s390_frame_unwind_cache (this_frame, this_cache); |
| 2710 | return info->frame_base; |
| 2711 | } |
| 2712 | |
| 2713 | static CORE_ADDR |
| 2714 | s390_local_base_address (struct frame_info *this_frame, void **this_cache) |
| 2715 | { |
| 2716 | struct s390_unwind_cache *info |
| 2717 | = s390_frame_unwind_cache (this_frame, this_cache); |
| 2718 | return info->local_base; |
| 2719 | } |
| 2720 | |
| 2721 | static const struct frame_base s390_frame_base = { |
| 2722 | &s390_frame_unwind, |
| 2723 | s390_frame_base_address, |
| 2724 | s390_local_base_address, |
| 2725 | s390_local_base_address |
| 2726 | }; |
| 2727 | |
| 2728 | /* Process record-replay */ |
| 2729 | |
| 2730 | /* Takes the intermediate sum of address calculations and masks off upper |
| 2731 | bits according to current addressing mode. */ |
| 2732 | |
| 2733 | static CORE_ADDR |
| 2734 | s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache, |
| 2735 | CORE_ADDR val) |
| 2736 | { |
| 2737 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 2738 | ULONGEST pswm, pswa; |
| 2739 | int am; |
| 2740 | if (tdep->abi == ABI_LINUX_S390) |
| 2741 | { |
| 2742 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); |
| 2743 | am = pswa >> 31 & 1; |
| 2744 | } |
| 2745 | else |
| 2746 | { |
| 2747 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm); |
| 2748 | am = pswm >> 31 & 3; |
| 2749 | } |
| 2750 | switch (am) |
| 2751 | { |
| 2752 | case 0: |
| 2753 | return val & 0xffffff; |
| 2754 | case 1: |
| 2755 | return val & 0x7fffffff; |
| 2756 | case 3: |
| 2757 | return val; |
| 2758 | default: |
| 2759 | fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am); |
| 2760 | return 0; |
| 2761 | } |
| 2762 | } |
| 2763 | |
| 2764 | /* Calculates memory address using pre-calculated index, raw instruction word |
| 2765 | with b and d/dl fields, and raw instruction byte with dh field. Index and |
| 2766 | dh should be set to 0 if unused. */ |
| 2767 | |
| 2768 | static CORE_ADDR |
| 2769 | s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache, |
| 2770 | ULONGEST x, uint16_t bd, int8_t dh) |
| 2771 | { |
| 2772 | uint8_t rb = bd >> 12 & 0xf; |
| 2773 | int32_t d = (bd & 0xfff) | ((int32_t)dh << 12); |
| 2774 | ULONGEST b; |
| 2775 | CORE_ADDR res = d + x; |
| 2776 | if (rb) |
| 2777 | { |
| 2778 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b); |
| 2779 | res += b; |
| 2780 | } |
| 2781 | return s390_record_address_mask (gdbarch, regcache, res); |
| 2782 | } |
| 2783 | |
| 2784 | /* Calculates memory address using raw x, b + d/dl, dh fields from |
| 2785 | instruction. rx and dh should be set to 0 if unused. */ |
| 2786 | |
| 2787 | static CORE_ADDR |
| 2788 | s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache, |
| 2789 | uint8_t rx, uint16_t bd, int8_t dh) |
| 2790 | { |
| 2791 | ULONGEST x = 0; |
| 2792 | if (rx) |
| 2793 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x); |
| 2794 | return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); |
| 2795 | } |
| 2796 | |
| 2797 | /* Calculates memory address for VSCE[GF] instructions. */ |
| 2798 | |
| 2799 | static int |
| 2800 | s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache, |
| 2801 | uint8_t vx, uint8_t el, uint8_t es, uint16_t bd, |
| 2802 | int8_t dh, CORE_ADDR *res) |
| 2803 | { |
| 2804 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 2805 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
| 2806 | ULONGEST x; |
| 2807 | gdb_byte buf[16]; |
| 2808 | if (tdep->v0_full_regnum == -1 || el * es >= 16) |
| 2809 | return -1; |
| 2810 | if (vx < 16) |
| 2811 | regcache->cooked_read (tdep->v0_full_regnum + vx, buf); |
| 2812 | else |
| 2813 | regcache->raw_read (S390_V16_REGNUM + vx - 16, buf); |
| 2814 | x = extract_unsigned_integer (buf + el * es, es, byte_order); |
| 2815 | *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); |
| 2816 | return 0; |
| 2817 | } |
| 2818 | |
| 2819 | /* Calculates memory address for instructions with relative long addressing. */ |
| 2820 | |
| 2821 | static CORE_ADDR |
| 2822 | s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache, |
| 2823 | CORE_ADDR addr, uint16_t i1, uint16_t i2) |
| 2824 | { |
| 2825 | int32_t ri = i1 << 16 | i2; |
| 2826 | return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2); |
| 2827 | } |
| 2828 | |
| 2829 | /* Population count helper. */ |
| 2830 | |
| 2831 | static int s390_popcnt (unsigned int x) { |
| 2832 | int res = 0; |
| 2833 | while (x) |
| 2834 | { |
| 2835 | if (x & 1) |
| 2836 | res++; |
| 2837 | x >>= 1; |
| 2838 | } |
| 2839 | return res; |
| 2840 | } |
| 2841 | |
| 2842 | /* Record 64-bit register. */ |
| 2843 | |
| 2844 | static int |
| 2845 | s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i) |
| 2846 | { |
| 2847 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 2848 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) |
| 2849 | return -1; |
| 2850 | if (tdep->abi == ABI_LINUX_S390) |
| 2851 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) |
| 2852 | return -1; |
| 2853 | return 0; |
| 2854 | } |
| 2855 | |
| 2856 | /* Record high 32 bits of a register. */ |
| 2857 | |
| 2858 | static int |
| 2859 | s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i) |
| 2860 | { |
| 2861 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 2862 | if (tdep->abi == ABI_LINUX_S390) |
| 2863 | { |
| 2864 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) |
| 2865 | return -1; |
| 2866 | } |
| 2867 | else |
| 2868 | { |
| 2869 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) |
| 2870 | return -1; |
| 2871 | } |
| 2872 | return 0; |
| 2873 | } |
| 2874 | |
| 2875 | /* Record vector register. */ |
| 2876 | |
| 2877 | static int |
| 2878 | s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i) |
| 2879 | { |
| 2880 | if (i < 16) |
| 2881 | { |
| 2882 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) |
| 2883 | return -1; |
| 2884 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) |
| 2885 | return -1; |
| 2886 | } |
| 2887 | else |
| 2888 | { |
| 2889 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16)) |
| 2890 | return -1; |
| 2891 | } |
| 2892 | return 0; |
| 2893 | } |
| 2894 | |
| 2895 | /* Implement process_record gdbarch method. */ |
| 2896 | |
| 2897 | static int |
| 2898 | s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache, |
| 2899 | CORE_ADDR addr) |
| 2900 | { |
| 2901 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 2902 | uint16_t insn[3] = {0}; |
| 2903 | /* Instruction as bytes. */ |
| 2904 | uint8_t ibyte[6]; |
| 2905 | /* Instruction as nibbles. */ |
| 2906 | uint8_t inib[12]; |
| 2907 | /* Instruction vector registers. */ |
| 2908 | uint8_t ivec[4]; |
| 2909 | CORE_ADDR oaddr, oaddr2, oaddr3; |
| 2910 | ULONGEST tmp; |
| 2911 | int i, n; |
| 2912 | /* if EX/EXRL instruction used, here's the reg parameter */ |
| 2913 | int ex = -1; |
| 2914 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
| 2915 | |
| 2916 | /* Attempting to use EX or EXRL jumps back here */ |
| 2917 | ex: |
| 2918 | |
| 2919 | /* Read instruction. */ |
| 2920 | insn[0] = read_memory_unsigned_integer (addr, 2, byte_order); |
| 2921 | /* If execute was involved, do the adjustment. */ |
| 2922 | if (ex != -1) |
| 2923 | insn[0] |= ex & 0xff; |
| 2924 | /* Two highest bits determine instruction size. */ |
| 2925 | if (insn[0] >= 0x4000) |
| 2926 | insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order); |
| 2927 | else |
| 2928 | /* Not necessary, but avoids uninitialized variable warnings. */ |
| 2929 | insn[1] = 0; |
| 2930 | if (insn[0] >= 0xc000) |
| 2931 | insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order); |
| 2932 | else |
| 2933 | insn[2] = 0; |
| 2934 | /* Split instruction into bytes and nibbles. */ |
| 2935 | for (i = 0; i < 3; i++) |
| 2936 | { |
| 2937 | ibyte[i*2] = insn[i] >> 8 & 0xff; |
| 2938 | ibyte[i*2+1] = insn[i] & 0xff; |
| 2939 | } |
| 2940 | for (i = 0; i < 6; i++) |
| 2941 | { |
| 2942 | inib[i*2] = ibyte[i] >> 4 & 0xf; |
| 2943 | inib[i*2+1] = ibyte[i] & 0xf; |
| 2944 | } |
| 2945 | /* Compute vector registers, if applicable. */ |
| 2946 | ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2]; |
| 2947 | ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3]; |
| 2948 | ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4]; |
| 2949 | ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8]; |
| 2950 | |
| 2951 | switch (ibyte[0]) |
| 2952 | { |
| 2953 | /* 0x00 undefined */ |
| 2954 | |
| 2955 | case 0x01: |
| 2956 | /* E-format instruction */ |
| 2957 | switch (ibyte[1]) |
| 2958 | { |
| 2959 | /* 0x00 undefined */ |
| 2960 | /* 0x01 unsupported: PR - program return */ |
| 2961 | /* 0x02 unsupported: UPT */ |
| 2962 | /* 0x03 undefined */ |
| 2963 | /* 0x04 privileged: PTFF - perform timing facility function */ |
| 2964 | /* 0x05-0x06 undefined */ |
| 2965 | /* 0x07 privileged: SCKPF - set clock programmable field */ |
| 2966 | /* 0x08-0x09 undefined */ |
| 2967 | |
| 2968 | case 0x0a: /* PFPO - perform floating point operation */ |
| 2969 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 2970 | if (!(tmp & 0x80000000u)) |
| 2971 | { |
| 2972 | uint8_t ofc = tmp >> 16 & 0xff; |
| 2973 | switch (ofc) |
| 2974 | { |
| 2975 | case 0x00: /* HFP32 */ |
| 2976 | case 0x01: /* HFP64 */ |
| 2977 | case 0x05: /* BFP32 */ |
| 2978 | case 0x06: /* BFP64 */ |
| 2979 | case 0x08: /* DFP32 */ |
| 2980 | case 0x09: /* DFP64 */ |
| 2981 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) |
| 2982 | return -1; |
| 2983 | break; |
| 2984 | case 0x02: /* HFP128 */ |
| 2985 | case 0x07: /* BFP128 */ |
| 2986 | case 0x0a: /* DFP128 */ |
| 2987 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) |
| 2988 | return -1; |
| 2989 | if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM)) |
| 2990 | return -1; |
| 2991 | break; |
| 2992 | default: |
| 2993 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n", |
| 2994 | ofc, paddress (gdbarch, addr)); |
| 2995 | return -1; |
| 2996 | } |
| 2997 | |
| 2998 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 2999 | return -1; |
| 3000 | } |
| 3001 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) |
| 3002 | return -1; |
| 3003 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3004 | return -1; |
| 3005 | break; |
| 3006 | |
| 3007 | case 0x0b: /* TAM - test address mode */ |
| 3008 | case 0x0c: /* SAM24 - set address mode 24 */ |
| 3009 | case 0x0d: /* SAM31 - set address mode 31 */ |
| 3010 | case 0x0e: /* SAM64 - set address mode 64 */ |
| 3011 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3012 | return -1; |
| 3013 | break; |
| 3014 | |
| 3015 | /* 0x0f-0xfe undefined */ |
| 3016 | |
| 3017 | /* 0xff unsupported: TRAP */ |
| 3018 | |
| 3019 | default: |
| 3020 | goto UNKNOWN_OP; |
| 3021 | } |
| 3022 | break; |
| 3023 | |
| 3024 | /* 0x02 undefined */ |
| 3025 | /* 0x03 undefined */ |
| 3026 | |
| 3027 | case 0x04: /* SPM - set program mask */ |
| 3028 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3029 | return -1; |
| 3030 | break; |
| 3031 | |
| 3032 | case 0x05: /* BALR - branch and link */ |
| 3033 | case 0x45: /* BAL - branch and link */ |
| 3034 | case 0x06: /* BCTR - branch on count */ |
| 3035 | case 0x46: /* BCT - branch on count */ |
| 3036 | case 0x0d: /* BASR - branch and save */ |
| 3037 | case 0x4d: /* BAS - branch and save */ |
| 3038 | case 0x84: /* BRXH - branch relative on index high */ |
| 3039 | case 0x85: /* BRXLE - branch relative on index low or equal */ |
| 3040 | case 0x86: /* BXH - branch on index high */ |
| 3041 | case 0x87: /* BXLE - branch on index low or equal */ |
| 3042 | /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX* |
| 3043 | use 32-bit destination as counter. */ |
| 3044 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3045 | return -1; |
| 3046 | break; |
| 3047 | |
| 3048 | case 0x07: /* BCR - branch on condition */ |
| 3049 | case 0x47: /* BC - branch on condition */ |
| 3050 | /* No effect other than PC transfer. */ |
| 3051 | break; |
| 3052 | |
| 3053 | /* 0x08 undefined */ |
| 3054 | /* 0x09 undefined */ |
| 3055 | |
| 3056 | case 0x0a: |
| 3057 | /* SVC - supervisor call */ |
| 3058 | if (tdep->s390_syscall_record != NULL) |
| 3059 | { |
| 3060 | if (tdep->s390_syscall_record (regcache, ibyte[1])) |
| 3061 | return -1; |
| 3062 | } |
| 3063 | else |
| 3064 | { |
| 3065 | printf_unfiltered (_("no syscall record support\n")); |
| 3066 | return -1; |
| 3067 | } |
| 3068 | break; |
| 3069 | |
| 3070 | case 0x0b: /* BSM - branch and set mode */ |
| 3071 | if (inib[2]) |
| 3072 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3073 | return -1; |
| 3074 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3075 | return -1; |
| 3076 | break; |
| 3077 | |
| 3078 | case 0x0c: /* BASSM - branch and save and set mode */ |
| 3079 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3080 | return -1; |
| 3081 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3082 | return -1; |
| 3083 | break; |
| 3084 | |
| 3085 | case 0x0e: /* MVCL - move long [interruptible] */ |
| 3086 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); |
| 3087 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 3088 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); |
| 3089 | tmp &= 0xffffff; |
| 3090 | if (record_full_arch_list_add_mem (oaddr, tmp)) |
| 3091 | return -1; |
| 3092 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3093 | return -1; |
| 3094 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 3095 | return -1; |
| 3096 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 3097 | return -1; |
| 3098 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) |
| 3099 | return -1; |
| 3100 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3101 | return -1; |
| 3102 | break; |
| 3103 | |
| 3104 | case 0x0f: /* CLCL - compare logical long [interruptible] */ |
| 3105 | case 0xa9: /* CLCLE - compare logical long extended [partial] */ |
| 3106 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3107 | return -1; |
| 3108 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 3109 | return -1; |
| 3110 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 3111 | return -1; |
| 3112 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) |
| 3113 | return -1; |
| 3114 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3115 | return -1; |
| 3116 | break; |
| 3117 | |
| 3118 | case 0x10: /* LPR - load positive */ |
| 3119 | case 0x11: /* LNR - load negative */ |
| 3120 | case 0x12: /* LTR - load and test */ |
| 3121 | case 0x13: /* LCR - load complement */ |
| 3122 | case 0x14: /* NR - and */ |
| 3123 | case 0x16: /* OR - or */ |
| 3124 | case 0x17: /* XR - xor */ |
| 3125 | case 0x1a: /* AR - add */ |
| 3126 | case 0x1b: /* SR - subtract */ |
| 3127 | case 0x1e: /* ALR - add logical */ |
| 3128 | case 0x1f: /* SLR - subtract logical */ |
| 3129 | case 0x54: /* N - and */ |
| 3130 | case 0x56: /* O - or */ |
| 3131 | case 0x57: /* X - xor */ |
| 3132 | case 0x5a: /* A - add */ |
| 3133 | case 0x5b: /* S - subtract */ |
| 3134 | case 0x5e: /* AL - add logical */ |
| 3135 | case 0x5f: /* SL - subtract logical */ |
| 3136 | case 0x4a: /* AH - add halfword */ |
| 3137 | case 0x4b: /* SH - subtract halfword */ |
| 3138 | case 0x8a: /* SRA - shift right single */ |
| 3139 | case 0x8b: /* SLA - shift left single */ |
| 3140 | case 0xbf: /* ICM - insert characters under mask */ |
| 3141 | /* 32-bit destination + flags */ |
| 3142 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3143 | return -1; |
| 3144 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3145 | return -1; |
| 3146 | break; |
| 3147 | |
| 3148 | case 0x15: /* CLR - compare logical */ |
| 3149 | case 0x55: /* CL - compare logical */ |
| 3150 | case 0x19: /* CR - compare */ |
| 3151 | case 0x29: /* CDR - compare */ |
| 3152 | case 0x39: /* CER - compare */ |
| 3153 | case 0x49: /* CH - compare halfword */ |
| 3154 | case 0x59: /* C - compare */ |
| 3155 | case 0x69: /* CD - compare */ |
| 3156 | case 0x79: /* CE - compare */ |
| 3157 | case 0x91: /* TM - test under mask */ |
| 3158 | case 0x95: /* CLI - compare logical */ |
| 3159 | case 0xbd: /* CLM - compare logical under mask */ |
| 3160 | case 0xd5: /* CLC - compare logical */ |
| 3161 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3162 | return -1; |
| 3163 | break; |
| 3164 | |
| 3165 | case 0x18: /* LR - load */ |
| 3166 | case 0x48: /* LH - load halfword */ |
| 3167 | case 0x58: /* L - load */ |
| 3168 | case 0x41: /* LA - load address */ |
| 3169 | case 0x43: /* IC - insert character */ |
| 3170 | case 0x4c: /* MH - multiply halfword */ |
| 3171 | case 0x71: /* MS - multiply single */ |
| 3172 | case 0x88: /* SRL - shift right single logical */ |
| 3173 | case 0x89: /* SLL - shift left single logical */ |
| 3174 | /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */ |
| 3175 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3176 | return -1; |
| 3177 | break; |
| 3178 | |
| 3179 | case 0x1c: /* MR - multiply */ |
| 3180 | case 0x5c: /* M - multiply */ |
| 3181 | case 0x1d: /* DR - divide */ |
| 3182 | case 0x5d: /* D - divide */ |
| 3183 | case 0x8c: /* SRDL - shift right double logical */ |
| 3184 | case 0x8d: /* SLDL - shift left double logical */ |
| 3185 | /* 32-bit pair destination, no flags */ |
| 3186 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3187 | return -1; |
| 3188 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 3189 | return -1; |
| 3190 | break; |
| 3191 | |
| 3192 | case 0x20: /* LPDR - load positive */ |
| 3193 | case 0x30: /* LPER - load positive */ |
| 3194 | case 0x21: /* LNDR - load negative */ |
| 3195 | case 0x31: /* LNER - load negative */ |
| 3196 | case 0x22: /* LTDR - load and test */ |
| 3197 | case 0x32: /* LTER - load and test */ |
| 3198 | case 0x23: /* LCDR - load complement */ |
| 3199 | case 0x33: /* LCER - load complement */ |
| 3200 | case 0x2a: /* ADR - add */ |
| 3201 | case 0x3a: /* AER - add */ |
| 3202 | case 0x6a: /* AD - add */ |
| 3203 | case 0x7a: /* AE - add */ |
| 3204 | case 0x2b: /* SDR - subtract */ |
| 3205 | case 0x3b: /* SER - subtract */ |
| 3206 | case 0x6b: /* SD - subtract */ |
| 3207 | case 0x7b: /* SE - subtract */ |
| 3208 | case 0x2e: /* AWR - add unnormalized */ |
| 3209 | case 0x3e: /* AUR - add unnormalized */ |
| 3210 | case 0x6e: /* AW - add unnormalized */ |
| 3211 | case 0x7e: /* AU - add unnormalized */ |
| 3212 | case 0x2f: /* SWR - subtract unnormalized */ |
| 3213 | case 0x3f: /* SUR - subtract unnormalized */ |
| 3214 | case 0x6f: /* SW - subtract unnormalized */ |
| 3215 | case 0x7f: /* SU - subtract unnormalized */ |
| 3216 | /* float destination + flags */ |
| 3217 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 3218 | return -1; |
| 3219 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3220 | return -1; |
| 3221 | break; |
| 3222 | |
| 3223 | case 0x24: /* HDR - halve */ |
| 3224 | case 0x34: /* HER - halve */ |
| 3225 | case 0x25: /* LDXR - load rounded */ |
| 3226 | case 0x35: /* LEDR - load rounded */ |
| 3227 | case 0x28: /* LDR - load */ |
| 3228 | case 0x38: /* LER - load */ |
| 3229 | case 0x68: /* LD - load */ |
| 3230 | case 0x78: /* LE - load */ |
| 3231 | case 0x2c: /* MDR - multiply */ |
| 3232 | case 0x3c: /* MDER - multiply */ |
| 3233 | case 0x6c: /* MD - multiply */ |
| 3234 | case 0x7c: /* MDE - multiply */ |
| 3235 | case 0x2d: /* DDR - divide */ |
| 3236 | case 0x3d: /* DER - divide */ |
| 3237 | case 0x6d: /* DD - divide */ |
| 3238 | case 0x7d: /* DE - divide */ |
| 3239 | /* float destination, no flags */ |
| 3240 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 3241 | return -1; |
| 3242 | break; |
| 3243 | |
| 3244 | case 0x26: /* MXR - multiply */ |
| 3245 | case 0x27: /* MXDR - multiply */ |
| 3246 | case 0x67: /* MXD - multiply */ |
| 3247 | /* float pair destination, no flags */ |
| 3248 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 3249 | return -1; |
| 3250 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) |
| 3251 | return -1; |
| 3252 | break; |
| 3253 | |
| 3254 | case 0x36: /* AXR - add */ |
| 3255 | case 0x37: /* SXR - subtract */ |
| 3256 | /* float pair destination + flags */ |
| 3257 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 3258 | return -1; |
| 3259 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) |
| 3260 | return -1; |
| 3261 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3262 | return -1; |
| 3263 | break; |
| 3264 | |
| 3265 | case 0x40: /* STH - store halfword */ |
| 3266 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 3267 | if (record_full_arch_list_add_mem (oaddr, 2)) |
| 3268 | return -1; |
| 3269 | break; |
| 3270 | |
| 3271 | case 0x42: /* STC - store character */ |
| 3272 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 3273 | if (record_full_arch_list_add_mem (oaddr, 1)) |
| 3274 | return -1; |
| 3275 | break; |
| 3276 | |
| 3277 | case 0x44: /* EX - execute */ |
| 3278 | if (ex != -1) |
| 3279 | { |
| 3280 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", |
| 3281 | paddress (gdbarch, addr)); |
| 3282 | return -1; |
| 3283 | } |
| 3284 | addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 3285 | if (inib[2]) |
| 3286 | { |
| 3287 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); |
| 3288 | ex = tmp & 0xff; |
| 3289 | } |
| 3290 | else |
| 3291 | { |
| 3292 | ex = 0; |
| 3293 | } |
| 3294 | goto ex; |
| 3295 | |
| 3296 | case 0x4e: /* CVD - convert to decimal */ |
| 3297 | case 0x60: /* STD - store */ |
| 3298 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 3299 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 3300 | return -1; |
| 3301 | break; |
| 3302 | |
| 3303 | case 0x4f: /* CVB - convert to binary */ |
| 3304 | /* 32-bit gpr destination + FPC (DXC write) */ |
| 3305 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3306 | return -1; |
| 3307 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3308 | return -1; |
| 3309 | break; |
| 3310 | |
| 3311 | case 0x50: /* ST - store */ |
| 3312 | case 0x70: /* STE - store */ |
| 3313 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 3314 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 3315 | return -1; |
| 3316 | break; |
| 3317 | |
| 3318 | case 0x51: /* LAE - load address extended */ |
| 3319 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3320 | return -1; |
| 3321 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) |
| 3322 | return -1; |
| 3323 | break; |
| 3324 | |
| 3325 | /* 0x52 undefined */ |
| 3326 | /* 0x53 undefined */ |
| 3327 | |
| 3328 | /* 0x61-0x66 undefined */ |
| 3329 | |
| 3330 | /* 0x72-0x77 undefined */ |
| 3331 | |
| 3332 | /* 0x80 privileged: SSM - set system mask */ |
| 3333 | /* 0x81 undefined */ |
| 3334 | /* 0x82 privileged: LPSW - load PSW */ |
| 3335 | /* 0x83 privileged: diagnose */ |
| 3336 | |
| 3337 | case 0x8e: /* SRDA - shift right double */ |
| 3338 | case 0x8f: /* SLDA - shift left double */ |
| 3339 | /* 32-bit pair destination + flags */ |
| 3340 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3341 | return -1; |
| 3342 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 3343 | return -1; |
| 3344 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3345 | return -1; |
| 3346 | break; |
| 3347 | |
| 3348 | case 0x90: /* STM - store multiple */ |
| 3349 | case 0x9b: /* STAM - store access multiple */ |
| 3350 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 3351 | if (inib[2] <= inib[3]) |
| 3352 | n = inib[3] - inib[2] + 1; |
| 3353 | else |
| 3354 | n = inib[3] + 0x10 - inib[2] + 1; |
| 3355 | if (record_full_arch_list_add_mem (oaddr, n * 4)) |
| 3356 | return -1; |
| 3357 | break; |
| 3358 | |
| 3359 | case 0x92: /* MVI - move */ |
| 3360 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 3361 | if (record_full_arch_list_add_mem (oaddr, 1)) |
| 3362 | return -1; |
| 3363 | break; |
| 3364 | |
| 3365 | case 0x93: /* TS - test and set */ |
| 3366 | case 0x94: /* NI - and */ |
| 3367 | case 0x96: /* OI - or */ |
| 3368 | case 0x97: /* XI - xor */ |
| 3369 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 3370 | if (record_full_arch_list_add_mem (oaddr, 1)) |
| 3371 | return -1; |
| 3372 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3373 | return -1; |
| 3374 | break; |
| 3375 | |
| 3376 | case 0x98: /* LM - load multiple */ |
| 3377 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) |
| 3378 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) |
| 3379 | return -1; |
| 3380 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 3381 | return -1; |
| 3382 | break; |
| 3383 | |
| 3384 | /* 0x99 privileged: TRACE */ |
| 3385 | |
| 3386 | case 0x9a: /* LAM - load access multiple */ |
| 3387 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) |
| 3388 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) |
| 3389 | return -1; |
| 3390 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) |
| 3391 | return -1; |
| 3392 | break; |
| 3393 | |
| 3394 | /* 0x9c-0x9f privileged and obsolete (old I/O) */ |
| 3395 | /* 0xa0-0xa4 undefined */ |
| 3396 | |
| 3397 | case 0xa5: |
| 3398 | case 0xa7: |
| 3399 | /* RI-format instruction */ |
| 3400 | switch (ibyte[0] << 4 | inib[3]) |
| 3401 | { |
| 3402 | case 0xa50: /* IIHH - insert immediate */ |
| 3403 | case 0xa51: /* IIHL - insert immediate */ |
| 3404 | /* high 32-bit destination */ |
| 3405 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 3406 | return -1; |
| 3407 | break; |
| 3408 | |
| 3409 | case 0xa52: /* IILH - insert immediate */ |
| 3410 | case 0xa53: /* IILL - insert immediate */ |
| 3411 | case 0xa75: /* BRAS - branch relative and save */ |
| 3412 | case 0xa76: /* BRCT - branch relative on count */ |
| 3413 | case 0xa78: /* LHI - load halfword immediate */ |
| 3414 | case 0xa7c: /* MHI - multiply halfword immediate */ |
| 3415 | /* 32-bit or native destination */ |
| 3416 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3417 | return -1; |
| 3418 | break; |
| 3419 | |
| 3420 | case 0xa54: /* NIHH - and immediate */ |
| 3421 | case 0xa55: /* NIHL - and immediate */ |
| 3422 | case 0xa58: /* OIHH - or immediate */ |
| 3423 | case 0xa59: /* OIHL - or immediate */ |
| 3424 | /* high 32-bit destination + flags */ |
| 3425 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 3426 | return -1; |
| 3427 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3428 | return -1; |
| 3429 | break; |
| 3430 | |
| 3431 | case 0xa56: /* NILH - and immediate */ |
| 3432 | case 0xa57: /* NILL - and immediate */ |
| 3433 | case 0xa5a: /* OILH - or immediate */ |
| 3434 | case 0xa5b: /* OILL - or immediate */ |
| 3435 | case 0xa7a: /* AHI - add halfword immediate */ |
| 3436 | /* 32-bit destination + flags */ |
| 3437 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3438 | return -1; |
| 3439 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3440 | return -1; |
| 3441 | break; |
| 3442 | |
| 3443 | case 0xa5c: /* LLIHH - load logical immediate */ |
| 3444 | case 0xa5d: /* LLIHL - load logical immediate */ |
| 3445 | case 0xa5e: /* LLILH - load logical immediate */ |
| 3446 | case 0xa5f: /* LLILL - load logical immediate */ |
| 3447 | case 0xa77: /* BRCTG - branch relative on count */ |
| 3448 | case 0xa79: /* LGHI - load halfword immediate */ |
| 3449 | case 0xa7d: /* MGHI - multiply halfword immediate */ |
| 3450 | /* 64-bit destination */ |
| 3451 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 3452 | return -1; |
| 3453 | break; |
| 3454 | |
| 3455 | case 0xa70: /* TMLH - test under mask */ |
| 3456 | case 0xa71: /* TMLL - test under mask */ |
| 3457 | case 0xa72: /* TMHH - test under mask */ |
| 3458 | case 0xa73: /* TMHL - test under mask */ |
| 3459 | case 0xa7e: /* CHI - compare halfword immediate */ |
| 3460 | case 0xa7f: /* CGHI - compare halfword immediate */ |
| 3461 | /* flags only */ |
| 3462 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3463 | return -1; |
| 3464 | break; |
| 3465 | |
| 3466 | case 0xa74: /* BRC - branch relative on condition */ |
| 3467 | /* no register change */ |
| 3468 | break; |
| 3469 | |
| 3470 | case 0xa7b: /* AGHI - add halfword immediate */ |
| 3471 | /* 64-bit destination + flags */ |
| 3472 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 3473 | return -1; |
| 3474 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3475 | return -1; |
| 3476 | break; |
| 3477 | |
| 3478 | default: |
| 3479 | goto UNKNOWN_OP; |
| 3480 | } |
| 3481 | break; |
| 3482 | |
| 3483 | /* 0xa6 undefined */ |
| 3484 | |
| 3485 | case 0xa8: /* MVCLE - move long extended [partial] */ |
| 3486 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); |
| 3487 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 3488 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); |
| 3489 | if (record_full_arch_list_add_mem (oaddr, tmp)) |
| 3490 | return -1; |
| 3491 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 3492 | return -1; |
| 3493 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 3494 | return -1; |
| 3495 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 3496 | return -1; |
| 3497 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) |
| 3498 | return -1; |
| 3499 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3500 | return -1; |
| 3501 | break; |
| 3502 | |
| 3503 | /* 0xaa-0xab undefined */ |
| 3504 | /* 0xac privileged: STNSM - store then and system mask */ |
| 3505 | /* 0xad privileged: STOSM - store then or system mask */ |
| 3506 | /* 0xae privileged: SIGP - signal processor */ |
| 3507 | /* 0xaf unsupported: MC - monitor call */ |
| 3508 | /* 0xb0 undefined */ |
| 3509 | /* 0xb1 privileged: LRA - load real address */ |
| 3510 | |
| 3511 | case 0xb2: |
| 3512 | case 0xb3: |
| 3513 | case 0xb9: |
| 3514 | /* S/RRD/RRE/RRF/IE-format instruction */ |
| 3515 | switch (insn[0]) |
| 3516 | { |
| 3517 | /* 0xb200-0xb204 undefined or privileged */ |
| 3518 | |
| 3519 | case 0xb205: /* STCK - store clock */ |
| 3520 | case 0xb27c: /* STCKF - store clock fast */ |
| 3521 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 3522 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 3523 | return -1; |
| 3524 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3525 | return -1; |
| 3526 | break; |
| 3527 | |
| 3528 | /* 0xb206-0xb219 undefined, privileged, or unsupported */ |
| 3529 | /* 0xb21a unsupported: CFC */ |
| 3530 | /* 0xb21b-0xb221 undefined or privileged */ |
| 3531 | |
| 3532 | case 0xb222: /* IPM - insert program mask */ |
| 3533 | case 0xb24f: /* EAR - extract access */ |
| 3534 | case 0xb252: /* MSR - multiply single */ |
| 3535 | case 0xb2ec: /* ETND - extract transaction nesting depth */ |
| 3536 | case 0xb38c: /* EFPC - extract fpc */ |
| 3537 | case 0xb91f: /* LRVR - load reversed */ |
| 3538 | case 0xb926: /* LBR - load byte */ |
| 3539 | case 0xb927: /* LHR - load halfword */ |
| 3540 | case 0xb994: /* LLCR - load logical character */ |
| 3541 | case 0xb995: /* LLHR - load logical halfword */ |
| 3542 | case 0xb9f2: /* LOCR - load on condition */ |
| 3543 | /* 32-bit gpr destination */ |
| 3544 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3545 | return -1; |
| 3546 | break; |
| 3547 | |
| 3548 | /* 0xb223-0xb22c privileged or unsupported */ |
| 3549 | |
| 3550 | case 0xb22d: /* DXR - divide */ |
| 3551 | case 0xb325: /* LXDR - load lengthened */ |
| 3552 | case 0xb326: /* LXER - load lengthened */ |
| 3553 | case 0xb336: /* SQXR - square root */ |
| 3554 | case 0xb365: /* LXR - load */ |
| 3555 | case 0xb367: /* FIXR - load fp integer */ |
| 3556 | case 0xb376: /* LZXR - load zero */ |
| 3557 | case 0xb3b6: /* CXFR - convert from fixed */ |
| 3558 | case 0xb3c6: /* CXGR - convert from fixed */ |
| 3559 | case 0xb3fe: /* IEXTR - insert biased exponent */ |
| 3560 | /* float pair destination */ |
| 3561 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3562 | return -1; |
| 3563 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) |
| 3564 | return -1; |
| 3565 | break; |
| 3566 | |
| 3567 | /* 0xb22e-0xb240 undefined, privileged, or unsupported */ |
| 3568 | |
| 3569 | case 0xb241: /* CKSM - checksum [partial] */ |
| 3570 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3571 | return -1; |
| 3572 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 3573 | return -1; |
| 3574 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 3575 | return -1; |
| 3576 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3577 | return -1; |
| 3578 | break; |
| 3579 | |
| 3580 | /* 0xb242-0xb243 undefined */ |
| 3581 | |
| 3582 | case 0xb244: /* SQDR - square root */ |
| 3583 | case 0xb245: /* SQER - square root */ |
| 3584 | case 0xb324: /* LDER - load lengthened */ |
| 3585 | case 0xb337: /* MEER - multiply */ |
| 3586 | case 0xb366: /* LEXR - load rounded */ |
| 3587 | case 0xb370: /* LPDFR - load positive */ |
| 3588 | case 0xb371: /* LNDFR - load negative */ |
| 3589 | case 0xb372: /* CSDFR - copy sign */ |
| 3590 | case 0xb373: /* LCDFR - load complement */ |
| 3591 | case 0xb374: /* LZER - load zero */ |
| 3592 | case 0xb375: /* LZDR - load zero */ |
| 3593 | case 0xb377: /* FIER - load fp integer */ |
| 3594 | case 0xb37f: /* FIDR - load fp integer */ |
| 3595 | case 0xb3b4: /* CEFR - convert from fixed */ |
| 3596 | case 0xb3b5: /* CDFR - convert from fixed */ |
| 3597 | case 0xb3c1: /* LDGR - load fpr from gr */ |
| 3598 | case 0xb3c4: /* CEGR - convert from fixed */ |
| 3599 | case 0xb3c5: /* CDGR - convert from fixed */ |
| 3600 | case 0xb3f6: /* IEDTR - insert biased exponent */ |
| 3601 | /* float destination */ |
| 3602 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3603 | return -1; |
| 3604 | break; |
| 3605 | |
| 3606 | /* 0xb246-0xb24c: privileged or unsupported */ |
| 3607 | |
| 3608 | case 0xb24d: /* CPYA - copy access */ |
| 3609 | case 0xb24e: /* SAR - set access */ |
| 3610 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6])) |
| 3611 | return -1; |
| 3612 | break; |
| 3613 | |
| 3614 | /* 0xb250-0xb251 undefined or privileged */ |
| 3615 | /* 0xb253-0xb254 undefined or privileged */ |
| 3616 | |
| 3617 | case 0xb255: /* MVST - move string [partial] */ |
| 3618 | { |
| 3619 | uint8_t end; |
| 3620 | gdb_byte cur; |
| 3621 | ULONGEST num = 0; |
| 3622 | /* Read ending byte. */ |
| 3623 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 3624 | end = tmp & 0xff; |
| 3625 | /* Get address of second operand. */ |
| 3626 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp); |
| 3627 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 3628 | /* Search for ending byte and compute length. */ |
| 3629 | do { |
| 3630 | num++; |
| 3631 | if (target_read_memory (oaddr, &cur, 1)) |
| 3632 | return -1; |
| 3633 | oaddr++; |
| 3634 | } while (cur != end); |
| 3635 | /* Get address of first operand and record it. */ |
| 3636 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 3637 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 3638 | if (record_full_arch_list_add_mem (oaddr, num)) |
| 3639 | return -1; |
| 3640 | /* Record the registers. */ |
| 3641 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3642 | return -1; |
| 3643 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 3644 | return -1; |
| 3645 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3646 | return -1; |
| 3647 | } |
| 3648 | break; |
| 3649 | |
| 3650 | /* 0xb256 undefined */ |
| 3651 | |
| 3652 | case 0xb257: /* CUSE - compare until substring equal [interruptible] */ |
| 3653 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3654 | return -1; |
| 3655 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 3656 | return -1; |
| 3657 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 3658 | return -1; |
| 3659 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 3660 | return -1; |
| 3661 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3662 | return -1; |
| 3663 | break; |
| 3664 | |
| 3665 | /* 0xb258-0xb25c undefined, privileged, or unsupported */ |
| 3666 | |
| 3667 | case 0xb25d: /* CLST - compare logical string [partial] */ |
| 3668 | case 0xb25e: /* SRST - search string [partial] */ |
| 3669 | case 0xb9be: /* SRSTU - search string unicode [partial] */ |
| 3670 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3671 | return -1; |
| 3672 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 3673 | return -1; |
| 3674 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3675 | return -1; |
| 3676 | break; |
| 3677 | |
| 3678 | /* 0xb25f-0xb262 undefined */ |
| 3679 | |
| 3680 | case 0xb263: /* CMPSC - compression call [interruptible] */ |
| 3681 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 3682 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 3683 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); |
| 3684 | if (record_full_arch_list_add_mem (oaddr, tmp)) |
| 3685 | return -1; |
| 3686 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3687 | return -1; |
| 3688 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 3689 | return -1; |
| 3690 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 3691 | return -1; |
| 3692 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 3693 | return -1; |
| 3694 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) |
| 3695 | return -1; |
| 3696 | /* DXC may be written */ |
| 3697 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3698 | return -1; |
| 3699 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3700 | return -1; |
| 3701 | break; |
| 3702 | |
| 3703 | /* 0xb264-0xb277 undefined, privileged, or unsupported */ |
| 3704 | |
| 3705 | case 0xb278: /* STCKE - store clock extended */ |
| 3706 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 3707 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 3708 | return -1; |
| 3709 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3710 | return -1; |
| 3711 | break; |
| 3712 | |
| 3713 | /* 0xb279-0xb27b undefined or unsupported */ |
| 3714 | /* 0xb27d-0xb298 undefined or privileged */ |
| 3715 | |
| 3716 | case 0xb299: /* SRNM - set rounding mode */ |
| 3717 | case 0xb2b8: /* SRNMB - set bfp rounding mode */ |
| 3718 | case 0xb2b9: /* SRNMT - set dfp rounding mode */ |
| 3719 | case 0xb29d: /* LFPC - load fpc */ |
| 3720 | case 0xb2bd: /* LFAS - load fpc and signal */ |
| 3721 | case 0xb384: /* SFPC - set fpc */ |
| 3722 | case 0xb385: /* SFASR - set fpc and signal */ |
| 3723 | case 0xb960: /* CGRT - compare and trap */ |
| 3724 | case 0xb961: /* CLGRT - compare logical and trap */ |
| 3725 | case 0xb972: /* CRT - compare and trap */ |
| 3726 | case 0xb973: /* CLRT - compare logical and trap */ |
| 3727 | /* fpc only - including possible DXC write for trapping insns */ |
| 3728 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3729 | return -1; |
| 3730 | break; |
| 3731 | |
| 3732 | /* 0xb29a-0xb29b undefined */ |
| 3733 | |
| 3734 | case 0xb29c: /* STFPC - store fpc */ |
| 3735 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 3736 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 3737 | return -1; |
| 3738 | break; |
| 3739 | |
| 3740 | /* 0xb29e-0xb2a4 undefined */ |
| 3741 | |
| 3742 | case 0xb2a5: /* TRE - translate extended [partial] */ |
| 3743 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 3744 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 3745 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); |
| 3746 | if (record_full_arch_list_add_mem (oaddr, tmp)) |
| 3747 | return -1; |
| 3748 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3749 | return -1; |
| 3750 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 3751 | return -1; |
| 3752 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3753 | return -1; |
| 3754 | break; |
| 3755 | |
| 3756 | case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */ |
| 3757 | case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */ |
| 3758 | case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */ |
| 3759 | case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */ |
| 3760 | case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */ |
| 3761 | case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */ |
| 3762 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 3763 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 3764 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); |
| 3765 | if (record_full_arch_list_add_mem (oaddr, tmp)) |
| 3766 | return -1; |
| 3767 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 3768 | return -1; |
| 3769 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 3770 | return -1; |
| 3771 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 3772 | return -1; |
| 3773 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 3774 | return -1; |
| 3775 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3776 | return -1; |
| 3777 | break; |
| 3778 | |
| 3779 | /* 0xb2a8-0xb2af undefined */ |
| 3780 | |
| 3781 | case 0xb2b0: /* STFLE - store facility list extended */ |
| 3782 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 3783 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 3784 | tmp &= 0xff; |
| 3785 | if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1))) |
| 3786 | return -1; |
| 3787 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM)) |
| 3788 | return -1; |
| 3789 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3790 | return -1; |
| 3791 | break; |
| 3792 | |
| 3793 | /* 0xb2b1-0xb2b7 undefined or privileged */ |
| 3794 | /* 0xb2ba-0xb2bc undefined */ |
| 3795 | /* 0xb2be-0xb2e7 undefined */ |
| 3796 | /* 0xb2e9-0xb2eb undefined */ |
| 3797 | /* 0xb2ed-0xb2f7 undefined */ |
| 3798 | /* 0xb2f8 unsupported: TEND */ |
| 3799 | /* 0xb2f9 undefined */ |
| 3800 | |
| 3801 | case 0xb2e8: /* PPA - perform processor assist */ |
| 3802 | case 0xb2fa: /* NIAI - next instruction access intent */ |
| 3803 | /* no visible effects */ |
| 3804 | break; |
| 3805 | |
| 3806 | /* 0xb2fb undefined */ |
| 3807 | /* 0xb2fc unsupported: TABORT */ |
| 3808 | /* 0xb2fd-0xb2fe undefined */ |
| 3809 | /* 0xb2ff unsupported: TRAP */ |
| 3810 | |
| 3811 | case 0xb300: /* LPEBR - load positive */ |
| 3812 | case 0xb301: /* LNEBR - load negative */ |
| 3813 | case 0xb303: /* LCEBR - load complement */ |
| 3814 | case 0xb310: /* LPDBR - load positive */ |
| 3815 | case 0xb311: /* LNDBR - load negative */ |
| 3816 | case 0xb313: /* LCDBR - load complement */ |
| 3817 | case 0xb350: /* TBEDR - convert hfp to bfp */ |
| 3818 | case 0xb351: /* TBDR - convert hfp to bfp */ |
| 3819 | case 0xb358: /* THDER - convert bfp to hfp */ |
| 3820 | case 0xb359: /* THDR - convert bfp to hfp */ |
| 3821 | /* float destination + flags */ |
| 3822 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3823 | return -1; |
| 3824 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3825 | return -1; |
| 3826 | break; |
| 3827 | |
| 3828 | case 0xb304: /* LDEBR - load lengthened */ |
| 3829 | case 0xb30c: /* MDEBR - multiply */ |
| 3830 | case 0xb30d: /* DEBR - divide */ |
| 3831 | case 0xb314: /* SQEBR - square root */ |
| 3832 | case 0xb315: /* SQDBR - square root */ |
| 3833 | case 0xb317: /* MEEBR - multiply */ |
| 3834 | case 0xb31c: /* MDBR - multiply */ |
| 3835 | case 0xb31d: /* DDBR - divide */ |
| 3836 | case 0xb344: /* LEDBRA - load rounded */ |
| 3837 | case 0xb345: /* LDXBRA - load rounded */ |
| 3838 | case 0xb346: /* LEXBRA - load rounded */ |
| 3839 | case 0xb357: /* FIEBRA - load fp integer */ |
| 3840 | case 0xb35f: /* FIDBRA - load fp integer */ |
| 3841 | case 0xb390: /* CELFBR - convert from logical */ |
| 3842 | case 0xb391: /* CDLFBR - convert from logical */ |
| 3843 | case 0xb394: /* CEFBR - convert from fixed */ |
| 3844 | case 0xb395: /* CDFBR - convert from fixed */ |
| 3845 | case 0xb3a0: /* CELGBR - convert from logical */ |
| 3846 | case 0xb3a1: /* CDLGBR - convert from logical */ |
| 3847 | case 0xb3a4: /* CEGBR - convert from fixed */ |
| 3848 | case 0xb3a5: /* CDGBR - convert from fixed */ |
| 3849 | case 0xb3d0: /* MDTR - multiply */ |
| 3850 | case 0xb3d1: /* DDTR - divide */ |
| 3851 | case 0xb3d4: /* LDETR - load lengthened */ |
| 3852 | case 0xb3d5: /* LEDTR - load lengthened */ |
| 3853 | case 0xb3d7: /* FIDTR - load fp integer */ |
| 3854 | case 0xb3dd: /* LDXTR - load lengthened */ |
| 3855 | case 0xb3f1: /* CDGTR - convert from fixed */ |
| 3856 | case 0xb3f2: /* CDUTR - convert from unsigned packed */ |
| 3857 | case 0xb3f3: /* CDSTR - convert from signed packed */ |
| 3858 | case 0xb3f5: /* QADTR - quantize */ |
| 3859 | case 0xb3f7: /* RRDTR - reround */ |
| 3860 | case 0xb951: /* CDFTR - convert from fixed */ |
| 3861 | case 0xb952: /* CDLGTR - convert from logical */ |
| 3862 | case 0xb953: /* CDLFTR - convert from logical */ |
| 3863 | /* float destination + fpc */ |
| 3864 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3865 | return -1; |
| 3866 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3867 | return -1; |
| 3868 | break; |
| 3869 | |
| 3870 | case 0xb305: /* LXDBR - load lengthened */ |
| 3871 | case 0xb306: /* LXEBR - load lengthened */ |
| 3872 | case 0xb307: /* MXDBR - multiply */ |
| 3873 | case 0xb316: /* SQXBR - square root */ |
| 3874 | case 0xb34c: /* MXBR - multiply */ |
| 3875 | case 0xb34d: /* DXBR - divide */ |
| 3876 | case 0xb347: /* FIXBRA - load fp integer */ |
| 3877 | case 0xb392: /* CXLFBR - convert from logical */ |
| 3878 | case 0xb396: /* CXFBR - convert from fixed */ |
| 3879 | case 0xb3a2: /* CXLGBR - convert from logical */ |
| 3880 | case 0xb3a6: /* CXGBR - convert from fixed */ |
| 3881 | case 0xb3d8: /* MXTR - multiply */ |
| 3882 | case 0xb3d9: /* DXTR - divide */ |
| 3883 | case 0xb3dc: /* LXDTR - load lengthened */ |
| 3884 | case 0xb3df: /* FIXTR - load fp integer */ |
| 3885 | case 0xb3f9: /* CXGTR - convert from fixed */ |
| 3886 | case 0xb3fa: /* CXUTR - convert from unsigned packed */ |
| 3887 | case 0xb3fb: /* CXSTR - convert from signed packed */ |
| 3888 | case 0xb3fd: /* QAXTR - quantize */ |
| 3889 | case 0xb3ff: /* RRXTR - reround */ |
| 3890 | case 0xb959: /* CXFTR - convert from fixed */ |
| 3891 | case 0xb95a: /* CXLGTR - convert from logical */ |
| 3892 | case 0xb95b: /* CXLFTR - convert from logical */ |
| 3893 | /* float pair destination + fpc */ |
| 3894 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3895 | return -1; |
| 3896 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) |
| 3897 | return -1; |
| 3898 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3899 | return -1; |
| 3900 | break; |
| 3901 | |
| 3902 | case 0xb308: /* KEBR - compare and signal */ |
| 3903 | case 0xb309: /* CEBR - compare */ |
| 3904 | case 0xb318: /* KDBR - compare and signal */ |
| 3905 | case 0xb319: /* CDBR - compare */ |
| 3906 | case 0xb348: /* KXBR - compare and signal */ |
| 3907 | case 0xb349: /* CXBR - compare */ |
| 3908 | case 0xb3e0: /* KDTR - compare and signal */ |
| 3909 | case 0xb3e4: /* CDTR - compare */ |
| 3910 | case 0xb3e8: /* KXTR - compare and signal */ |
| 3911 | case 0xb3ec: /* CXTR - compare */ |
| 3912 | /* flags + fpc only */ |
| 3913 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3914 | return -1; |
| 3915 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3916 | return -1; |
| 3917 | break; |
| 3918 | |
| 3919 | case 0xb302: /* LTEBR - load and test */ |
| 3920 | case 0xb312: /* LTDBR - load and test */ |
| 3921 | case 0xb30a: /* AEBR - add */ |
| 3922 | case 0xb30b: /* SEBR - subtract */ |
| 3923 | case 0xb31a: /* ADBR - add */ |
| 3924 | case 0xb31b: /* SDBR - subtract */ |
| 3925 | case 0xb3d2: /* ADTR - add */ |
| 3926 | case 0xb3d3: /* SDTR - subtract */ |
| 3927 | case 0xb3d6: /* LTDTR - load and test */ |
| 3928 | /* float destination + flags + fpc */ |
| 3929 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3930 | return -1; |
| 3931 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3932 | return -1; |
| 3933 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3934 | return -1; |
| 3935 | break; |
| 3936 | |
| 3937 | case 0xb30e: /* MAEBR - multiply and add */ |
| 3938 | case 0xb30f: /* MSEBR - multiply and subtract */ |
| 3939 | case 0xb31e: /* MADBR - multiply and add */ |
| 3940 | case 0xb31f: /* MSDBR - multiply and subtract */ |
| 3941 | /* float destination [RRD] + fpc */ |
| 3942 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) |
| 3943 | return -1; |
| 3944 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 3945 | return -1; |
| 3946 | break; |
| 3947 | |
| 3948 | /* 0xb320-0xb323 undefined */ |
| 3949 | /* 0xb327-0xb32d undefined */ |
| 3950 | |
| 3951 | case 0xb32e: /* MAER - multiply and add */ |
| 3952 | case 0xb32f: /* MSER - multiply and subtract */ |
| 3953 | case 0xb338: /* MAYLR - multiply and add unnormalized */ |
| 3954 | case 0xb339: /* MYLR - multiply unnormalized */ |
| 3955 | case 0xb33c: /* MAYHR - multiply and add unnormalized */ |
| 3956 | case 0xb33d: /* MYHR - multiply unnormalized */ |
| 3957 | case 0xb33e: /* MADR - multiply and add */ |
| 3958 | case 0xb33f: /* MSDR - multiply and subtract */ |
| 3959 | /* float destination [RRD] */ |
| 3960 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) |
| 3961 | return -1; |
| 3962 | break; |
| 3963 | |
| 3964 | /* 0xb330-0xb335 undefined */ |
| 3965 | |
| 3966 | case 0xb33a: /* MAYR - multiply and add unnormalized */ |
| 3967 | case 0xb33b: /* MYR - multiply unnormalized */ |
| 3968 | /* float pair destination [RRD] */ |
| 3969 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) |
| 3970 | return -1; |
| 3971 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2))) |
| 3972 | return -1; |
| 3973 | break; |
| 3974 | |
| 3975 | case 0xb340: /* LPXBR - load positive */ |
| 3976 | case 0xb341: /* LNXBR - load negative */ |
| 3977 | case 0xb343: /* LCXBR - load complement */ |
| 3978 | case 0xb360: /* LPXR - load positive */ |
| 3979 | case 0xb361: /* LNXR - load negative */ |
| 3980 | case 0xb362: /* LTXR - load and test */ |
| 3981 | case 0xb363: /* LCXR - load complement */ |
| 3982 | /* float pair destination + flags */ |
| 3983 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3984 | return -1; |
| 3985 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) |
| 3986 | return -1; |
| 3987 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 3988 | return -1; |
| 3989 | break; |
| 3990 | |
| 3991 | case 0xb342: /* LTXBR - load and test */ |
| 3992 | case 0xb34a: /* AXBR - add */ |
| 3993 | case 0xb34b: /* SXBR - subtract */ |
| 3994 | case 0xb3da: /* AXTR - add */ |
| 3995 | case 0xb3db: /* SXTR - subtract */ |
| 3996 | case 0xb3de: /* LTXTR - load and test */ |
| 3997 | /* float pair destination + flags + fpc */ |
| 3998 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 3999 | return -1; |
| 4000 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) |
| 4001 | return -1; |
| 4002 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4003 | return -1; |
| 4004 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 4005 | return -1; |
| 4006 | break; |
| 4007 | |
| 4008 | /* 0xb34e-0xb34f undefined */ |
| 4009 | /* 0xb352 undefined */ |
| 4010 | |
| 4011 | case 0xb353: /* DIEBR - divide to integer */ |
| 4012 | case 0xb35b: /* DIDBR - divide to integer */ |
| 4013 | /* two float destinations + flags + fpc */ |
| 4014 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) |
| 4015 | return -1; |
| 4016 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) |
| 4017 | return -1; |
| 4018 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4019 | return -1; |
| 4020 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 4021 | return -1; |
| 4022 | break; |
| 4023 | |
| 4024 | /* 0xb354-0xb356 undefined */ |
| 4025 | /* 0xb35a undefined */ |
| 4026 | |
| 4027 | /* 0xb35c-0xb35e undefined */ |
| 4028 | /* 0xb364 undefined */ |
| 4029 | /* 0xb368 undefined */ |
| 4030 | |
| 4031 | case 0xb369: /* CXR - compare */ |
| 4032 | case 0xb3f4: /* CEDTR - compare biased exponent */ |
| 4033 | case 0xb3fc: /* CEXTR - compare biased exponent */ |
| 4034 | case 0xb920: /* CGR - compare */ |
| 4035 | case 0xb921: /* CLGR - compare logical */ |
| 4036 | case 0xb930: /* CGFR - compare */ |
| 4037 | case 0xb931: /* CLGFR - compare logical */ |
| 4038 | case 0xb9cd: /* CHHR - compare high */ |
| 4039 | case 0xb9cf: /* CLHHR - compare logical high */ |
| 4040 | case 0xb9dd: /* CHLR - compare high */ |
| 4041 | case 0xb9df: /* CLHLR - compare logical high */ |
| 4042 | /* flags only */ |
| 4043 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4044 | return -1; |
| 4045 | break; |
| 4046 | |
| 4047 | /* 0xb36a-0xb36f undefined */ |
| 4048 | /* 0xb377-0xb37e undefined */ |
| 4049 | /* 0xb380-0xb383 undefined */ |
| 4050 | /* 0xb386-0xb38b undefined */ |
| 4051 | /* 0xb38d-0xb38f undefined */ |
| 4052 | /* 0xb393 undefined */ |
| 4053 | /* 0xb397 undefined */ |
| 4054 | |
| 4055 | case 0xb398: /* CFEBR - convert to fixed */ |
| 4056 | case 0xb399: /* CFDBR - convert to fixed */ |
| 4057 | case 0xb39a: /* CFXBR - convert to fixed */ |
| 4058 | case 0xb39c: /* CLFEBR - convert to logical */ |
| 4059 | case 0xb39d: /* CLFDBR - convert to logical */ |
| 4060 | case 0xb39e: /* CLFXBR - convert to logical */ |
| 4061 | case 0xb941: /* CFDTR - convert to fixed */ |
| 4062 | case 0xb949: /* CFXTR - convert to fixed */ |
| 4063 | case 0xb943: /* CLFDTR - convert to logical */ |
| 4064 | case 0xb94b: /* CLFXTR - convert to logical */ |
| 4065 | /* 32-bit gpr destination + flags + fpc */ |
| 4066 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4067 | return -1; |
| 4068 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4069 | return -1; |
| 4070 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 4071 | return -1; |
| 4072 | break; |
| 4073 | |
| 4074 | /* 0xb39b undefined */ |
| 4075 | /* 0xb39f undefined */ |
| 4076 | |
| 4077 | /* 0xb3a3 undefined */ |
| 4078 | /* 0xb3a7 undefined */ |
| 4079 | |
| 4080 | case 0xb3a8: /* CGEBR - convert to fixed */ |
| 4081 | case 0xb3a9: /* CGDBR - convert to fixed */ |
| 4082 | case 0xb3aa: /* CGXBR - convert to fixed */ |
| 4083 | case 0xb3ac: /* CLGEBR - convert to logical */ |
| 4084 | case 0xb3ad: /* CLGDBR - convert to logical */ |
| 4085 | case 0xb3ae: /* CLGXBR - convert to logical */ |
| 4086 | case 0xb3e1: /* CGDTR - convert to fixed */ |
| 4087 | case 0xb3e9: /* CGXTR - convert to fixed */ |
| 4088 | case 0xb942: /* CLGDTR - convert to logical */ |
| 4089 | case 0xb94a: /* CLGXTR - convert to logical */ |
| 4090 | /* 64-bit gpr destination + flags + fpc */ |
| 4091 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) |
| 4092 | return -1; |
| 4093 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4094 | return -1; |
| 4095 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 4096 | return -1; |
| 4097 | break; |
| 4098 | |
| 4099 | /* 0xb3ab undefined */ |
| 4100 | /* 0xb3af-0xb3b3 undefined */ |
| 4101 | /* 0xb3b7 undefined */ |
| 4102 | |
| 4103 | case 0xb3b8: /* CFER - convert to fixed */ |
| 4104 | case 0xb3b9: /* CFDR - convert to fixed */ |
| 4105 | case 0xb3ba: /* CFXR - convert to fixed */ |
| 4106 | case 0xb998: /* ALCR - add logical with carry */ |
| 4107 | case 0xb999: /* SLBR - subtract logical with borrow */ |
| 4108 | case 0xb9f4: /* NRK - and */ |
| 4109 | case 0xb9f6: /* ORK - or */ |
| 4110 | case 0xb9f7: /* XRK - xor */ |
| 4111 | case 0xb9f8: /* ARK - add */ |
| 4112 | case 0xb9f9: /* SRK - subtract */ |
| 4113 | case 0xb9fa: /* ALRK - add logical */ |
| 4114 | case 0xb9fb: /* SLRK - subtract logical */ |
| 4115 | /* 32-bit gpr destination + flags */ |
| 4116 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4117 | return -1; |
| 4118 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4119 | return -1; |
| 4120 | break; |
| 4121 | |
| 4122 | case 0xb3c8: /* CGER - convert to fixed */ |
| 4123 | case 0xb3c9: /* CGDR - convert to fixed */ |
| 4124 | case 0xb3ca: /* CGXR - convert to fixed */ |
| 4125 | case 0xb900: /* LPGR - load positive */ |
| 4126 | case 0xb901: /* LNGR - load negative */ |
| 4127 | case 0xb902: /* LTGR - load and test */ |
| 4128 | case 0xb903: /* LCGR - load complement */ |
| 4129 | case 0xb908: /* AGR - add */ |
| 4130 | case 0xb909: /* SGR - subtract */ |
| 4131 | case 0xb90a: /* ALGR - add logical */ |
| 4132 | case 0xb90b: /* SLGR - subtract logical */ |
| 4133 | case 0xb910: /* LPGFR - load positive */ |
| 4134 | case 0xb911: /* LNGFR - load negative */ |
| 4135 | case 0xb912: /* LTGFR - load and test */ |
| 4136 | case 0xb913: /* LCGFR - load complement */ |
| 4137 | case 0xb918: /* AGFR - add */ |
| 4138 | case 0xb919: /* SGFR - subtract */ |
| 4139 | case 0xb91a: /* ALGFR - add logical */ |
| 4140 | case 0xb91b: /* SLGFR - subtract logical */ |
| 4141 | case 0xb980: /* NGR - and */ |
| 4142 | case 0xb981: /* OGR - or */ |
| 4143 | case 0xb982: /* XGR - xor */ |
| 4144 | case 0xb988: /* ALCGR - add logical with carry */ |
| 4145 | case 0xb989: /* SLBGR - subtract logical with borrow */ |
| 4146 | case 0xb9e1: /* POPCNT - population count */ |
| 4147 | case 0xb9e4: /* NGRK - and */ |
| 4148 | case 0xb9e6: /* OGRK - or */ |
| 4149 | case 0xb9e7: /* XGRK - xor */ |
| 4150 | case 0xb9e8: /* AGRK - add */ |
| 4151 | case 0xb9e9: /* SGRK - subtract */ |
| 4152 | case 0xb9ea: /* ALGRK - add logical */ |
| 4153 | case 0xb9eb: /* SLGRK - subtract logical */ |
| 4154 | case 0xb9ed: /* MSGRKC - multiply single 64x64 -> 64 */ |
| 4155 | case 0xb9fd: /* MSRKC - multiply single 32x32 -> 32 */ |
| 4156 | /* 64-bit gpr destination + flags */ |
| 4157 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) |
| 4158 | return -1; |
| 4159 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4160 | return -1; |
| 4161 | break; |
| 4162 | |
| 4163 | /* 0xb3bb-0xb3c0 undefined */ |
| 4164 | /* 0xb3c2-0xb3c3 undefined */ |
| 4165 | /* 0xb3c7 undefined */ |
| 4166 | /* 0xb3cb-0xb3cc undefined */ |
| 4167 | |
| 4168 | case 0xb3cd: /* LGDR - load gr from fpr */ |
| 4169 | case 0xb3e2: /* CUDTR - convert to unsigned packed */ |
| 4170 | case 0xb3e3: /* CSDTR - convert to signed packed */ |
| 4171 | case 0xb3e5: /* EEDTR - extract biased exponent */ |
| 4172 | case 0xb3e7: /* ESDTR - extract significance */ |
| 4173 | case 0xb3ed: /* EEXTR - extract biased exponent */ |
| 4174 | case 0xb3ef: /* ESXTR - extract significance */ |
| 4175 | case 0xb904: /* LGR - load */ |
| 4176 | case 0xb906: /* LGBR - load byte */ |
| 4177 | case 0xb907: /* LGHR - load halfword */ |
| 4178 | case 0xb90c: /* MSGR - multiply single */ |
| 4179 | case 0xb90f: /* LRVGR - load reversed */ |
| 4180 | case 0xb914: /* LGFR - load */ |
| 4181 | case 0xb916: /* LLGFR - load logical */ |
| 4182 | case 0xb917: /* LLGTR - load logical thirty one bits */ |
| 4183 | case 0xb91c: /* MSGFR - multiply single 64<32 */ |
| 4184 | case 0xb946: /* BCTGR - branch on count */ |
| 4185 | case 0xb984: /* LLGCR - load logical character */ |
| 4186 | case 0xb985: /* LLGHR - load logical halfword */ |
| 4187 | case 0xb9e2: /* LOCGR - load on condition */ |
| 4188 | /* 64-bit gpr destination */ |
| 4189 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) |
| 4190 | return -1; |
| 4191 | break; |
| 4192 | |
| 4193 | /* 0xb3ce-0xb3cf undefined */ |
| 4194 | /* 0xb3e6 undefined */ |
| 4195 | |
| 4196 | case 0xb3ea: /* CUXTR - convert to unsigned packed */ |
| 4197 | case 0xb3eb: /* CSXTR - convert to signed packed */ |
| 4198 | case 0xb90d: /* DSGR - divide single */ |
| 4199 | case 0xb91d: /* DSGFR - divide single */ |
| 4200 | case 0xb986: /* MLGR - multiply logical */ |
| 4201 | case 0xb987: /* DLGR - divide logical */ |
| 4202 | case 0xb9ec: /* MGRK - multiply 64x64 -> 128 */ |
| 4203 | /* 64-bit gpr pair destination */ |
| 4204 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) |
| 4205 | return -1; |
| 4206 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) |
| 4207 | return -1; |
| 4208 | break; |
| 4209 | |
| 4210 | /* 0xb3ee undefined */ |
| 4211 | /* 0xb3f0 undefined */ |
| 4212 | /* 0xb3f8 undefined */ |
| 4213 | |
| 4214 | /* 0xb905 privileged */ |
| 4215 | |
| 4216 | /* 0xb90e unsupported: EREGG */ |
| 4217 | |
| 4218 | /* 0xb915 undefined */ |
| 4219 | |
| 4220 | case 0xb91e: /* KMAC - compute message authentication code [partial] */ |
| 4221 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); |
| 4222 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4223 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4224 | tmp &= 0xff; |
| 4225 | switch (tmp) |
| 4226 | { |
| 4227 | case 0x00: /* KMAC-Query */ |
| 4228 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4229 | return -1; |
| 4230 | break; |
| 4231 | |
| 4232 | case 0x01: /* KMAC-DEA */ |
| 4233 | case 0x02: /* KMAC-TDEA-128 */ |
| 4234 | case 0x03: /* KMAC-TDEA-192 */ |
| 4235 | case 0x09: /* KMAC-Encrypted-DEA */ |
| 4236 | case 0x0a: /* KMAC-Encrypted-TDEA-128 */ |
| 4237 | case 0x0b: /* KMAC-Encrypted-TDEA-192 */ |
| 4238 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 4239 | return -1; |
| 4240 | break; |
| 4241 | |
| 4242 | case 0x12: /* KMAC-AES-128 */ |
| 4243 | case 0x13: /* KMAC-AES-192 */ |
| 4244 | case 0x14: /* KMAC-AES-256 */ |
| 4245 | case 0x1a: /* KMAC-Encrypted-AES-128 */ |
| 4246 | case 0x1b: /* KMAC-Encrypted-AES-192 */ |
| 4247 | case 0x1c: /* KMAC-Encrypted-AES-256 */ |
| 4248 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4249 | return -1; |
| 4250 | break; |
| 4251 | |
| 4252 | default: |
| 4253 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", |
| 4254 | (int)tmp, paddress (gdbarch, addr)); |
| 4255 | return -1; |
| 4256 | } |
| 4257 | if (tmp != 0) |
| 4258 | { |
| 4259 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4260 | return -1; |
| 4261 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 4262 | return -1; |
| 4263 | } |
| 4264 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4265 | return -1; |
| 4266 | break; |
| 4267 | |
| 4268 | /* 0xb922-0xb924 undefined */ |
| 4269 | /* 0xb925 privileged */ |
| 4270 | /* 0xb928 privileged */ |
| 4271 | |
| 4272 | case 0xb929: /* KMA - cipher message with authentication */ |
| 4273 | case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */ |
| 4274 | case 0xb92b: /* KMO - cipher message with output feedback [partial] */ |
| 4275 | case 0xb92f: /* KMC - cipher message with chaining [partial] */ |
| 4276 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); |
| 4277 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4278 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4279 | tmp &= 0x7f; |
| 4280 | switch (tmp) |
| 4281 | { |
| 4282 | case 0x00: /* KM*-Query */ |
| 4283 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4284 | return -1; |
| 4285 | break; |
| 4286 | |
| 4287 | case 0x01: /* KM*-DEA */ |
| 4288 | case 0x02: /* KM*-TDEA-128 */ |
| 4289 | case 0x03: /* KM*-TDEA-192 */ |
| 4290 | case 0x09: /* KM*-Encrypted-DEA */ |
| 4291 | case 0x0a: /* KM*-Encrypted-TDEA-128 */ |
| 4292 | case 0x0b: /* KM*-Encrypted-TDEA-192 */ |
| 4293 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 4294 | return -1; |
| 4295 | break; |
| 4296 | |
| 4297 | case 0x12: /* KM*-AES-128 */ |
| 4298 | case 0x13: /* KM*-AES-192 */ |
| 4299 | case 0x14: /* KM*-AES-256 */ |
| 4300 | case 0x1a: /* KM*-Encrypted-AES-128 */ |
| 4301 | case 0x1b: /* KM*-Encrypted-AES-192 */ |
| 4302 | case 0x1c: /* KM*-Encrypted-AES-256 */ |
| 4303 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4304 | return -1; |
| 4305 | break; |
| 4306 | |
| 4307 | case 0x43: /* KMC-PRNG */ |
| 4308 | /* Only valid for KMC. */ |
| 4309 | if (insn[0] == 0xb92f) |
| 4310 | { |
| 4311 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 4312 | return -1; |
| 4313 | break; |
| 4314 | } |
| 4315 | /* For other instructions... */ |
| 4316 | /* Fall through. */ |
| 4317 | default: |
| 4318 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n", |
| 4319 | (int)tmp, paddress (gdbarch, addr)); |
| 4320 | return -1; |
| 4321 | } |
| 4322 | if (tmp != 0) |
| 4323 | { |
| 4324 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 4325 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4326 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); |
| 4327 | if (record_full_arch_list_add_mem (oaddr2, tmp)) |
| 4328 | return -1; |
| 4329 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4330 | return -1; |
| 4331 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4332 | return -1; |
| 4333 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 4334 | return -1; |
| 4335 | } |
| 4336 | if (tmp != 0 && insn[0] == 0xb929) |
| 4337 | { |
| 4338 | if (record_full_arch_list_add_reg (regcache, |
| 4339 | S390_R0_REGNUM + inib[4])) |
| 4340 | return -1; |
| 4341 | if (record_full_arch_list_add_reg (regcache, |
| 4342 | S390_R0_REGNUM + (inib[4] | 1))) |
| 4343 | return -1; |
| 4344 | } |
| 4345 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4346 | return -1; |
| 4347 | break; |
| 4348 | |
| 4349 | case 0xb92c: /* PCC - perform cryptographic computation [partial] */ |
| 4350 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); |
| 4351 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4352 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4353 | tmp &= 0x7f; |
| 4354 | switch (tmp) |
| 4355 | { |
| 4356 | case 0x00: /* PCC-Query */ |
| 4357 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4358 | return -1; |
| 4359 | break; |
| 4360 | |
| 4361 | case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */ |
| 4362 | case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */ |
| 4363 | case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */ |
| 4364 | case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */ |
| 4365 | case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */ |
| 4366 | case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */ |
| 4367 | if (record_full_arch_list_add_mem (oaddr + 0x10, 8)) |
| 4368 | return -1; |
| 4369 | break; |
| 4370 | |
| 4371 | case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */ |
| 4372 | case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */ |
| 4373 | case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */ |
| 4374 | case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */ |
| 4375 | case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */ |
| 4376 | case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */ |
| 4377 | if (record_full_arch_list_add_mem (oaddr + 0x18, 16)) |
| 4378 | return -1; |
| 4379 | break; |
| 4380 | |
| 4381 | case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */ |
| 4382 | if (record_full_arch_list_add_mem (oaddr + 0x30, 32)) |
| 4383 | return -1; |
| 4384 | break; |
| 4385 | |
| 4386 | case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */ |
| 4387 | if (record_full_arch_list_add_mem (oaddr + 0x40, 32)) |
| 4388 | return -1; |
| 4389 | break; |
| 4390 | |
| 4391 | case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */ |
| 4392 | if (record_full_arch_list_add_mem (oaddr + 0x50, 32)) |
| 4393 | return -1; |
| 4394 | break; |
| 4395 | |
| 4396 | case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */ |
| 4397 | if (record_full_arch_list_add_mem (oaddr + 0x60, 32)) |
| 4398 | return -1; |
| 4399 | break; |
| 4400 | |
| 4401 | default: |
| 4402 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n", |
| 4403 | (int)tmp, paddress (gdbarch, addr)); |
| 4404 | return -1; |
| 4405 | } |
| 4406 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4407 | return -1; |
| 4408 | break; |
| 4409 | |
| 4410 | case 0xb92d: /* KMCTR - cipher message with counter [partial] */ |
| 4411 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); |
| 4412 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4413 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4414 | tmp &= 0x7f; |
| 4415 | switch (tmp) |
| 4416 | { |
| 4417 | case 0x00: /* KMCTR-Query */ |
| 4418 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4419 | return -1; |
| 4420 | break; |
| 4421 | |
| 4422 | case 0x01: /* KMCTR-DEA */ |
| 4423 | case 0x02: /* KMCTR-TDEA-128 */ |
| 4424 | case 0x03: /* KMCTR-TDEA-192 */ |
| 4425 | case 0x09: /* KMCTR-Encrypted-DEA */ |
| 4426 | case 0x0a: /* KMCTR-Encrypted-TDEA-128 */ |
| 4427 | case 0x0b: /* KMCTR-Encrypted-TDEA-192 */ |
| 4428 | case 0x12: /* KMCTR-AES-128 */ |
| 4429 | case 0x13: /* KMCTR-AES-192 */ |
| 4430 | case 0x14: /* KMCTR-AES-256 */ |
| 4431 | case 0x1a: /* KMCTR-Encrypted-AES-128 */ |
| 4432 | case 0x1b: /* KMCTR-Encrypted-AES-192 */ |
| 4433 | case 0x1c: /* KMCTR-Encrypted-AES-256 */ |
| 4434 | break; |
| 4435 | |
| 4436 | default: |
| 4437 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n", |
| 4438 | (int)tmp, paddress (gdbarch, addr)); |
| 4439 | return -1; |
| 4440 | } |
| 4441 | if (tmp != 0) |
| 4442 | { |
| 4443 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 4444 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4445 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); |
| 4446 | if (record_full_arch_list_add_mem (oaddr2, tmp)) |
| 4447 | return -1; |
| 4448 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4449 | return -1; |
| 4450 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4451 | return -1; |
| 4452 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 4453 | return -1; |
| 4454 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4])) |
| 4455 | return -1; |
| 4456 | } |
| 4457 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4458 | return -1; |
| 4459 | break; |
| 4460 | |
| 4461 | case 0xb92e: /* KM - cipher message [partial] */ |
| 4462 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); |
| 4463 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4464 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4465 | tmp &= 0x7f; |
| 4466 | switch (tmp) |
| 4467 | { |
| 4468 | case 0x00: /* KM-Query */ |
| 4469 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4470 | return -1; |
| 4471 | break; |
| 4472 | |
| 4473 | case 0x01: /* KM-DEA */ |
| 4474 | case 0x02: /* KM-TDEA-128 */ |
| 4475 | case 0x03: /* KM-TDEA-192 */ |
| 4476 | case 0x09: /* KM-Encrypted-DEA */ |
| 4477 | case 0x0a: /* KM-Encrypted-TDEA-128 */ |
| 4478 | case 0x0b: /* KM-Encrypted-TDEA-192 */ |
| 4479 | case 0x12: /* KM-AES-128 */ |
| 4480 | case 0x13: /* KM-AES-192 */ |
| 4481 | case 0x14: /* KM-AES-256 */ |
| 4482 | case 0x1a: /* KM-Encrypted-AES-128 */ |
| 4483 | case 0x1b: /* KM-Encrypted-AES-192 */ |
| 4484 | case 0x1c: /* KM-Encrypted-AES-256 */ |
| 4485 | break; |
| 4486 | |
| 4487 | case 0x32: /* KM-XTS-AES-128 */ |
| 4488 | if (record_full_arch_list_add_mem (oaddr + 0x10, 16)) |
| 4489 | return -1; |
| 4490 | break; |
| 4491 | |
| 4492 | case 0x34: /* KM-XTS-AES-256 */ |
| 4493 | if (record_full_arch_list_add_mem (oaddr + 0x20, 16)) |
| 4494 | return -1; |
| 4495 | break; |
| 4496 | |
| 4497 | case 0x3a: /* KM-XTS-Encrypted-AES-128 */ |
| 4498 | if (record_full_arch_list_add_mem (oaddr + 0x30, 16)) |
| 4499 | return -1; |
| 4500 | break; |
| 4501 | |
| 4502 | case 0x3c: /* KM-XTS-Encrypted-AES-256 */ |
| 4503 | if (record_full_arch_list_add_mem (oaddr + 0x40, 16)) |
| 4504 | return -1; |
| 4505 | break; |
| 4506 | |
| 4507 | default: |
| 4508 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n", |
| 4509 | (int)tmp, paddress (gdbarch, addr)); |
| 4510 | return -1; |
| 4511 | } |
| 4512 | if (tmp != 0) |
| 4513 | { |
| 4514 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 4515 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4516 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); |
| 4517 | if (record_full_arch_list_add_mem (oaddr2, tmp)) |
| 4518 | return -1; |
| 4519 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4520 | return -1; |
| 4521 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4522 | return -1; |
| 4523 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 4524 | return -1; |
| 4525 | } |
| 4526 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4527 | return -1; |
| 4528 | break; |
| 4529 | |
| 4530 | /* 0xb932-0xb93b undefined */ |
| 4531 | |
| 4532 | case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */ |
| 4533 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); |
| 4534 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4535 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4536 | tmp &= 0xff; |
| 4537 | switch (tmp) |
| 4538 | { |
| 4539 | case 0x00: /* PPNO-Query */ |
| 4540 | case 0x80: /* PPNO-Query */ |
| 4541 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4542 | return -1; |
| 4543 | break; |
| 4544 | |
| 4545 | case 0x03: /* PPNO-SHA-512-DRNG - generate */ |
| 4546 | if (record_full_arch_list_add_mem (oaddr, 240)) |
| 4547 | return -1; |
| 4548 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 4549 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4550 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); |
| 4551 | if (record_full_arch_list_add_mem (oaddr2, tmp)) |
| 4552 | return -1; |
| 4553 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4554 | return -1; |
| 4555 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 4556 | return -1; |
| 4557 | break; |
| 4558 | |
| 4559 | case 0x83: /* PPNO-SHA-512-DRNG - seed */ |
| 4560 | if (record_full_arch_list_add_mem (oaddr, 240)) |
| 4561 | return -1; |
| 4562 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4563 | return -1; |
| 4564 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 4565 | return -1; |
| 4566 | break; |
| 4567 | |
| 4568 | default: |
| 4569 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n", |
| 4570 | (int)tmp, paddress (gdbarch, addr)); |
| 4571 | return -1; |
| 4572 | } |
| 4573 | /* DXC may be written */ |
| 4574 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 4575 | return -1; |
| 4576 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4577 | return -1; |
| 4578 | break; |
| 4579 | |
| 4580 | /* 0xb93d undefined */ |
| 4581 | |
| 4582 | case 0xb93e: /* KIMD - compute intermediate message digest [partial] */ |
| 4583 | case 0xb93f: /* KLMD - compute last message digest [partial] */ |
| 4584 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); |
| 4585 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4586 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4587 | tmp &= 0xff; |
| 4588 | switch (tmp) |
| 4589 | { |
| 4590 | case 0x00: /* K*MD-Query */ |
| 4591 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4592 | return -1; |
| 4593 | break; |
| 4594 | |
| 4595 | case 0x01: /* K*MD-SHA-1 */ |
| 4596 | if (record_full_arch_list_add_mem (oaddr, 20)) |
| 4597 | return -1; |
| 4598 | break; |
| 4599 | |
| 4600 | case 0x02: /* K*MD-SHA-256 */ |
| 4601 | if (record_full_arch_list_add_mem (oaddr, 32)) |
| 4602 | return -1; |
| 4603 | break; |
| 4604 | |
| 4605 | case 0x03: /* K*MD-SHA-512 */ |
| 4606 | if (record_full_arch_list_add_mem (oaddr, 64)) |
| 4607 | return -1; |
| 4608 | break; |
| 4609 | |
| 4610 | case 0x41: /* KIMD-GHASH */ |
| 4611 | /* Only valid for KIMD. */ |
| 4612 | if (insn[0] == 0xb93e) |
| 4613 | { |
| 4614 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 4615 | return -1; |
| 4616 | break; |
| 4617 | } |
| 4618 | /* For KLMD... */ |
| 4619 | /* Fall through. */ |
| 4620 | default: |
| 4621 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", |
| 4622 | (int)tmp, paddress (gdbarch, addr)); |
| 4623 | return -1; |
| 4624 | } |
| 4625 | if (tmp != 0) |
| 4626 | { |
| 4627 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4628 | return -1; |
| 4629 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) |
| 4630 | return -1; |
| 4631 | } |
| 4632 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4633 | return -1; |
| 4634 | break; |
| 4635 | |
| 4636 | /* 0xb940 undefined */ |
| 4637 | /* 0xb944-0xb945 undefined */ |
| 4638 | /* 0xb947-0xb948 undefined */ |
| 4639 | /* 0xb94c-0xb950 undefined */ |
| 4640 | /* 0xb954-0xb958 undefined */ |
| 4641 | /* 0xb95c-0xb95f undefined */ |
| 4642 | /* 0xb962-0xb971 undefined */ |
| 4643 | /* 0xb974-0xb97f undefined */ |
| 4644 | |
| 4645 | case 0xb983: /* FLOGR - find leftmost one */ |
| 4646 | /* 64-bit gpr pair destination + flags */ |
| 4647 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) |
| 4648 | return -1; |
| 4649 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) |
| 4650 | return -1; |
| 4651 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4652 | return -1; |
| 4653 | break; |
| 4654 | |
| 4655 | /* 0xb98a privileged */ |
| 4656 | /* 0xb98b-0xb98c undefined */ |
| 4657 | |
| 4658 | case 0xb98d: /* EPSW - extract psw */ |
| 4659 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4660 | return -1; |
| 4661 | if (inib[7]) |
| 4662 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4663 | return -1; |
| 4664 | break; |
| 4665 | |
| 4666 | /* 0xb98e-0xb98f privileged */ |
| 4667 | |
| 4668 | case 0xb990: /* TRTT - translate two to two [partial] */ |
| 4669 | case 0xb991: /* TRTO - translate two to one [partial] */ |
| 4670 | case 0xb992: /* TROT - translate one to two [partial] */ |
| 4671 | case 0xb993: /* TROO - translate one to one [partial] */ |
| 4672 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); |
| 4673 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 4674 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); |
| 4675 | /* tmp is source length, we want destination length. Adjust. */ |
| 4676 | if (insn[0] == 0xb991) |
| 4677 | tmp >>= 1; |
| 4678 | if (insn[0] == 0xb992) |
| 4679 | tmp <<= 1; |
| 4680 | if (record_full_arch_list_add_mem (oaddr, tmp)) |
| 4681 | return -1; |
| 4682 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4683 | return -1; |
| 4684 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 4685 | return -1; |
| 4686 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4687 | return -1; |
| 4688 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4689 | return -1; |
| 4690 | break; |
| 4691 | |
| 4692 | case 0xb996: /* MLR - multiply logical */ |
| 4693 | case 0xb997: /* DLR - divide logical */ |
| 4694 | /* 32-bit gpr pair destination */ |
| 4695 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4696 | return -1; |
| 4697 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 4698 | return -1; |
| 4699 | break; |
| 4700 | |
| 4701 | /* 0xb99a-0xb9af unsupported, privileged, or undefined */ |
| 4702 | /* 0xb9b4-0xb9bc undefined */ |
| 4703 | |
| 4704 | case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */ |
| 4705 | case 0xb9bf: /* TRTE - translate and test extended [partial] */ |
| 4706 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) |
| 4707 | return -1; |
| 4708 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) |
| 4709 | return -1; |
| 4710 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) |
| 4711 | return -1; |
| 4712 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4713 | return -1; |
| 4714 | break; |
| 4715 | |
| 4716 | /* 0xb9c0-0xb9c7 undefined */ |
| 4717 | |
| 4718 | case 0xb9c8: /* AHHHR - add high */ |
| 4719 | case 0xb9c9: /* SHHHR - subtract high */ |
| 4720 | case 0xb9ca: /* ALHHHR - add logical high */ |
| 4721 | case 0xb9cb: /* SLHHHR - subtract logical high */ |
| 4722 | case 0xb9d8: /* AHHLR - add high */ |
| 4723 | case 0xb9d9: /* SHHLR - subtract high */ |
| 4724 | case 0xb9da: /* ALHHLR - add logical high */ |
| 4725 | case 0xb9db: /* SLHHLR - subtract logical high */ |
| 4726 | /* 32-bit high gpr destination + flags */ |
| 4727 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) |
| 4728 | return -1; |
| 4729 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4730 | return -1; |
| 4731 | break; |
| 4732 | |
| 4733 | /* 0xb9cc undefined */ |
| 4734 | /* 0xb9ce undefined */ |
| 4735 | /* 0xb9d0-0xb9d7 undefined */ |
| 4736 | /* 0xb9dc undefined */ |
| 4737 | /* 0xb9de undefined */ |
| 4738 | |
| 4739 | case 0xb9e0: /* LOCFHR - load high on condition */ |
| 4740 | /* 32-bit high gpr destination */ |
| 4741 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) |
| 4742 | return -1; |
| 4743 | break; |
| 4744 | |
| 4745 | /* 0xb9e3 undefined */ |
| 4746 | /* 0xb9e5 undefined */ |
| 4747 | /* 0xb9ee-0xb9f1 undefined */ |
| 4748 | /* 0xb9f3 undefined */ |
| 4749 | /* 0xb9f5 undefined */ |
| 4750 | /* 0xb9fc undefined */ |
| 4751 | /* 0xb9fe -0xb9ff undefined */ |
| 4752 | |
| 4753 | default: |
| 4754 | goto UNKNOWN_OP; |
| 4755 | } |
| 4756 | break; |
| 4757 | |
| 4758 | /* 0xb4-0xb5 undefined */ |
| 4759 | /* 0xb6 privileged: STCTL - store control */ |
| 4760 | /* 0xb7 privileged: LCTL - load control */ |
| 4761 | /* 0xb8 undefined */ |
| 4762 | |
| 4763 | case 0xba: /* CS - compare and swap */ |
| 4764 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 4765 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 4766 | return -1; |
| 4767 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 4768 | return -1; |
| 4769 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4770 | return -1; |
| 4771 | break; |
| 4772 | |
| 4773 | case 0xbb: /* CDS - compare double and swap */ |
| 4774 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 4775 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 4776 | return -1; |
| 4777 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 4778 | return -1; |
| 4779 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 4780 | return -1; |
| 4781 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4782 | return -1; |
| 4783 | break; |
| 4784 | |
| 4785 | /* 0xbc undefined */ |
| 4786 | |
| 4787 | case 0xbe: /* STCM - store characters under mask */ |
| 4788 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 4789 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) |
| 4790 | return -1; |
| 4791 | break; |
| 4792 | |
| 4793 | case 0xc0: |
| 4794 | case 0xc2: |
| 4795 | case 0xc4: |
| 4796 | case 0xc6: |
| 4797 | case 0xcc: |
| 4798 | /* RIL-format instruction */ |
| 4799 | switch (ibyte[0] << 4 | inib[3]) |
| 4800 | { |
| 4801 | case 0xc00: /* LARL - load address relative long */ |
| 4802 | case 0xc05: /* BRASL - branch relative and save long */ |
| 4803 | case 0xc09: /* IILF - insert immediate */ |
| 4804 | case 0xc21: /* MSFI - multiply single immediate */ |
| 4805 | case 0xc42: /* LLHRL - load logical halfword relative long */ |
| 4806 | case 0xc45: /* LHRL - load halfword relative long */ |
| 4807 | case 0xc4d: /* LRL - load relative long */ |
| 4808 | /* 32-bit or native gpr destination */ |
| 4809 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 4810 | return -1; |
| 4811 | break; |
| 4812 | |
| 4813 | case 0xc01: /* LGFI - load immediate */ |
| 4814 | case 0xc0e: /* LLIHF - load logical immediate */ |
| 4815 | case 0xc0f: /* LLILF - load logical immediate */ |
| 4816 | case 0xc20: /* MSGFI - multiply single immediate */ |
| 4817 | case 0xc44: /* LGHRL - load halfword relative long */ |
| 4818 | case 0xc46: /* LLGHRL - load logical halfword relative long */ |
| 4819 | case 0xc48: /* LGRL - load relative long */ |
| 4820 | case 0xc4c: /* LGFRL - load relative long */ |
| 4821 | case 0xc4e: /* LLGFRL - load logical relative long */ |
| 4822 | /* 64-bit gpr destination */ |
| 4823 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 4824 | return -1; |
| 4825 | break; |
| 4826 | |
| 4827 | /* 0xc02-0xc03 undefined */ |
| 4828 | |
| 4829 | case 0xc04: /* BRCL - branch relative on condition long */ |
| 4830 | case 0xc62: /* PFDRL - prefetch data relative long */ |
| 4831 | break; |
| 4832 | |
| 4833 | case 0xc06: /* XIHF - xor immediate */ |
| 4834 | case 0xc0a: /* NIHF - and immediate */ |
| 4835 | case 0xc0c: /* OIHF - or immediate */ |
| 4836 | case 0xcc8: /* AIH - add immediate high */ |
| 4837 | case 0xcca: /* ALSIH - add logical with signed immediate high */ |
| 4838 | /* 32-bit high gpr destination + flags */ |
| 4839 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 4840 | return -1; |
| 4841 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4842 | return -1; |
| 4843 | break; |
| 4844 | |
| 4845 | case 0xc07: /* XILF - xor immediate */ |
| 4846 | case 0xc0b: /* NILF - and immediate */ |
| 4847 | case 0xc0d: /* OILF - or immediate */ |
| 4848 | case 0xc25: /* SLFI - subtract logical immediate */ |
| 4849 | case 0xc29: /* AFI - add immediate */ |
| 4850 | case 0xc2b: /* ALFI - add logical immediate */ |
| 4851 | /* 32-bit gpr destination + flags */ |
| 4852 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 4853 | return -1; |
| 4854 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4855 | return -1; |
| 4856 | break; |
| 4857 | |
| 4858 | case 0xc08: /* IIHF - insert immediate */ |
| 4859 | case 0xcc6: /* BRCTH - branch relative on count high */ |
| 4860 | case 0xccb: /* ALSIHN - add logical with signed immediate high */ |
| 4861 | /* 32-bit high gpr destination */ |
| 4862 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 4863 | return -1; |
| 4864 | break; |
| 4865 | |
| 4866 | /* 0xc22-0xc23 undefined */ |
| 4867 | |
| 4868 | case 0xc24: /* SLGFI - subtract logical immediate */ |
| 4869 | case 0xc28: /* AGFI - add immediate */ |
| 4870 | case 0xc2a: /* ALGFI - add logical immediate */ |
| 4871 | /* 64-bit gpr destination + flags */ |
| 4872 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 4873 | return -1; |
| 4874 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4875 | return -1; |
| 4876 | break; |
| 4877 | |
| 4878 | /* 0xc26-0xc27 undefined */ |
| 4879 | |
| 4880 | case 0xc2c: /* CGFI - compare immediate */ |
| 4881 | case 0xc2d: /* CFI - compare immediate */ |
| 4882 | case 0xc2e: /* CLGFI - compare logical immediate */ |
| 4883 | case 0xc2f: /* CLFI - compare logical immediate */ |
| 4884 | case 0xc64: /* CGHRL - compare halfword relative long */ |
| 4885 | case 0xc65: /* CHRL - compare halfword relative long */ |
| 4886 | case 0xc66: /* CLGHRL - compare logical halfword relative long */ |
| 4887 | case 0xc67: /* CLHRL - compare logical halfword relative long */ |
| 4888 | case 0xc68: /* CGRL - compare relative long */ |
| 4889 | case 0xc6a: /* CLGRL - compare logical relative long */ |
| 4890 | case 0xc6c: /* CGFRL - compare relative long */ |
| 4891 | case 0xc6d: /* CRL - compare relative long */ |
| 4892 | case 0xc6e: /* CLGFRL - compare logical relative long */ |
| 4893 | case 0xc6f: /* CLRL - compare logical relative long */ |
| 4894 | case 0xccd: /* CIH - compare immediate high */ |
| 4895 | case 0xccf: /* CLIH - compare logical immediate high */ |
| 4896 | /* flags only */ |
| 4897 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 4898 | return -1; |
| 4899 | break; |
| 4900 | |
| 4901 | /* 0xc40-0xc41 undefined */ |
| 4902 | /* 0xc43 undefined */ |
| 4903 | |
| 4904 | case 0xc47: /* STHRL - store halfword relative long */ |
| 4905 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); |
| 4906 | if (record_full_arch_list_add_mem (oaddr, 2)) |
| 4907 | return -1; |
| 4908 | break; |
| 4909 | |
| 4910 | /* 0xc49-0xc4a undefined */ |
| 4911 | |
| 4912 | case 0xc4b: /* STGRL - store relative long */ |
| 4913 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); |
| 4914 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 4915 | return -1; |
| 4916 | break; |
| 4917 | |
| 4918 | case 0xc4f: /* STRL - store relative long */ |
| 4919 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); |
| 4920 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 4921 | return -1; |
| 4922 | break; |
| 4923 | |
| 4924 | case 0xc60: /* EXRL - execute relative long */ |
| 4925 | if (ex != -1) |
| 4926 | { |
| 4927 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", |
| 4928 | paddress (gdbarch, addr)); |
| 4929 | return -1; |
| 4930 | } |
| 4931 | addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); |
| 4932 | if (inib[2]) |
| 4933 | { |
| 4934 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); |
| 4935 | ex = tmp & 0xff; |
| 4936 | } |
| 4937 | else |
| 4938 | { |
| 4939 | ex = 0; |
| 4940 | } |
| 4941 | goto ex; |
| 4942 | |
| 4943 | /* 0xc61 undefined */ |
| 4944 | /* 0xc63 undefined */ |
| 4945 | /* 0xc69 undefined */ |
| 4946 | /* 0xc6b undefined */ |
| 4947 | /* 0xcc0-0xcc5 undefined */ |
| 4948 | /* 0xcc7 undefined */ |
| 4949 | /* 0xcc9 undefined */ |
| 4950 | /* 0xccc undefined */ |
| 4951 | /* 0xcce undefined */ |
| 4952 | |
| 4953 | default: |
| 4954 | goto UNKNOWN_OP; |
| 4955 | } |
| 4956 | break; |
| 4957 | |
| 4958 | /* 0xc1 undefined */ |
| 4959 | /* 0xc3 undefined */ |
| 4960 | |
| 4961 | case 0xc5: /* BPRP - branch prediction relative preload */ |
| 4962 | case 0xc7: /* BPP - branch prediction preload */ |
| 4963 | /* no visible effect */ |
| 4964 | break; |
| 4965 | |
| 4966 | case 0xc8: |
| 4967 | /* SSF-format instruction */ |
| 4968 | switch (ibyte[0] << 4 | inib[3]) |
| 4969 | { |
| 4970 | /* 0xc80 unsupported */ |
| 4971 | |
| 4972 | case 0xc81: /* ECTG - extract cpu time */ |
| 4973 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 4974 | return -1; |
| 4975 | if (s390_record_gpr_g (gdbarch, regcache, 0)) |
| 4976 | return -1; |
| 4977 | if (s390_record_gpr_g (gdbarch, regcache, 1)) |
| 4978 | return -1; |
| 4979 | break; |
| 4980 | |
| 4981 | case 0xc82: /* CSST - compare and swap and store */ |
| 4982 | { |
| 4983 | uint8_t fc, sc; |
| 4984 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 4985 | fc = tmp & 0xff; |
| 4986 | sc = tmp >> 8 & 0xff; |
| 4987 | |
| 4988 | /* First and third operands. */ |
| 4989 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 4990 | switch (fc) |
| 4991 | { |
| 4992 | case 0x00: /* 32-bit */ |
| 4993 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 4994 | return -1; |
| 4995 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 4996 | return -1; |
| 4997 | break; |
| 4998 | |
| 4999 | case 0x01: /* 64-bit */ |
| 5000 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5001 | return -1; |
| 5002 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 5003 | return -1; |
| 5004 | break; |
| 5005 | |
| 5006 | case 0x02: /* 128-bit */ |
| 5007 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5008 | return -1; |
| 5009 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) |
| 5010 | return -1; |
| 5011 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 5012 | return -1; |
| 5013 | break; |
| 5014 | |
| 5015 | default: |
| 5016 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", |
| 5017 | fc, paddress (gdbarch, addr)); |
| 5018 | return -1; |
| 5019 | } |
| 5020 | |
| 5021 | /* Second operand. */ |
| 5022 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); |
| 5023 | if (sc > 4) |
| 5024 | { |
| 5025 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", |
| 5026 | sc, paddress (gdbarch, addr)); |
| 5027 | return -1; |
| 5028 | } |
| 5029 | |
| 5030 | if (record_full_arch_list_add_mem (oaddr2, 1 << sc)) |
| 5031 | return -1; |
| 5032 | |
| 5033 | /* Flags. */ |
| 5034 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5035 | return -1; |
| 5036 | } |
| 5037 | break; |
| 5038 | |
| 5039 | /* 0xc83 undefined */ |
| 5040 | |
| 5041 | case 0xc84: /* LPD - load pair disjoint */ |
| 5042 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5043 | return -1; |
| 5044 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 5045 | return -1; |
| 5046 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5047 | return -1; |
| 5048 | break; |
| 5049 | |
| 5050 | case 0xc85: /* LPDG - load pair disjoint */ |
| 5051 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5052 | return -1; |
| 5053 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) |
| 5054 | return -1; |
| 5055 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5056 | return -1; |
| 5057 | break; |
| 5058 | |
| 5059 | /* 0xc86-0xc8f undefined */ |
| 5060 | |
| 5061 | default: |
| 5062 | goto UNKNOWN_OP; |
| 5063 | } |
| 5064 | break; |
| 5065 | |
| 5066 | /* 0xc9-0xcb undefined */ |
| 5067 | /* 0xcd-0xcf undefined */ |
| 5068 | |
| 5069 | case 0xd0: /* TRTR - translate and test reversed */ |
| 5070 | case 0xdd: /* TRT - translate and test */ |
| 5071 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) |
| 5072 | return -1; |
| 5073 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) |
| 5074 | return -1; |
| 5075 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5076 | return -1; |
| 5077 | break; |
| 5078 | |
| 5079 | case 0xd1: /* MVN - move numbers */ |
| 5080 | case 0xd2: /* MVC - move */ |
| 5081 | case 0xd3: /* MVZ - move zones */ |
| 5082 | case 0xdc: /* TR - translate */ |
| 5083 | case 0xe8: /* MVCIN - move inverse */ |
| 5084 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5085 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) |
| 5086 | return -1; |
| 5087 | break; |
| 5088 | |
| 5089 | case 0xd4: /* NC - and */ |
| 5090 | case 0xd6: /* OC - or*/ |
| 5091 | case 0xd7: /* XC - xor */ |
| 5092 | case 0xe2: /* UNPKU - unpack unicode */ |
| 5093 | case 0xea: /* UNPKA - unpack ASCII */ |
| 5094 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5095 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) |
| 5096 | return -1; |
| 5097 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5098 | return -1; |
| 5099 | break; |
| 5100 | |
| 5101 | case 0xde: /* ED - edit */ |
| 5102 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5103 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) |
| 5104 | return -1; |
| 5105 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5106 | return -1; |
| 5107 | /* DXC may be written */ |
| 5108 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5109 | return -1; |
| 5110 | break; |
| 5111 | |
| 5112 | case 0xdf: /* EDMK - edit and mark */ |
| 5113 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5114 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) |
| 5115 | return -1; |
| 5116 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) |
| 5117 | return -1; |
| 5118 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5119 | return -1; |
| 5120 | /* DXC may be written */ |
| 5121 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5122 | return -1; |
| 5123 | break; |
| 5124 | |
| 5125 | /* 0xd8 undefined */ |
| 5126 | /* 0xd9 unsupported: MVCK - move with key */ |
| 5127 | /* 0xda unsupported: MVCP - move to primary */ |
| 5128 | /* 0xdb unsupported: MVCS - move to secondary */ |
| 5129 | /* 0xe0 undefined */ |
| 5130 | |
| 5131 | case 0xe1: /* PKU - pack unicode */ |
| 5132 | case 0xe9: /* PKA - pack ASCII */ |
| 5133 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5134 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 5135 | return -1; |
| 5136 | break; |
| 5137 | |
| 5138 | case 0xe3: |
| 5139 | case 0xe6: |
| 5140 | case 0xe7: |
| 5141 | case 0xeb: |
| 5142 | case 0xed: |
| 5143 | /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */ |
| 5144 | switch (ibyte[0] << 8 | ibyte[5]) |
| 5145 | { |
| 5146 | /* 0xe300-0xe301 undefined */ |
| 5147 | |
| 5148 | case 0xe302: /* LTG - load and test */ |
| 5149 | case 0xe308: /* AG - add */ |
| 5150 | case 0xe309: /* SG - subtract */ |
| 5151 | case 0xe30a: /* ALG - add logical */ |
| 5152 | case 0xe30b: /* SLG - subtract logical */ |
| 5153 | case 0xe318: /* AGF - add */ |
| 5154 | case 0xe319: /* SGF - subtract */ |
| 5155 | case 0xe31a: /* ALGF - add logical */ |
| 5156 | case 0xe31b: /* SLGF - subtract logical */ |
| 5157 | case 0xe332: /* LTGF - load and test */ |
| 5158 | case 0xe380: /* NG - and */ |
| 5159 | case 0xe381: /* OG - or */ |
| 5160 | case 0xe382: /* XG - xor */ |
| 5161 | case 0xe388: /* ALCG - add logical with carry */ |
| 5162 | case 0xe389: /* SLBG - subtract logical with borrow */ |
| 5163 | case 0xeb0a: /* SRAG - shift right single */ |
| 5164 | case 0xeb0b: /* SLAG - shift left single */ |
| 5165 | /* 64-bit gpr destination + flags */ |
| 5166 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5167 | return -1; |
| 5168 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5169 | return -1; |
| 5170 | break; |
| 5171 | |
| 5172 | /* 0xe303 privileged */ |
| 5173 | |
| 5174 | case 0xe304: /* LG - load */ |
| 5175 | case 0xe30c: /* MSG - multiply single */ |
| 5176 | case 0xe30f: /* LRVG - load reversed */ |
| 5177 | case 0xe314: /* LGF - load */ |
| 5178 | case 0xe315: /* LGH - load halfword */ |
| 5179 | case 0xe316: /* LLGF - load logical */ |
| 5180 | case 0xe317: /* LLGT - load logical thirty one bits */ |
| 5181 | case 0xe31c: /* MSGF - multiply single */ |
| 5182 | case 0xe32a: /* LZRG - load and zero rightmost byte */ |
| 5183 | case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */ |
| 5184 | case 0xe33c: /* MGH - multiply halfword 64x16mem -> 64 */ |
| 5185 | case 0xe346: /* BCTG - branch on count */ |
| 5186 | case 0xe377: /* LGB - load byte */ |
| 5187 | case 0xe390: /* LLGC - load logical character */ |
| 5188 | case 0xe391: /* LLGH - load logical halfword */ |
| 5189 | case 0xeb0c: /* SRLG - shift right single logical */ |
| 5190 | case 0xeb0d: /* SLLG - shift left single logical */ |
| 5191 | case 0xeb1c: /* RLLG - rotate left single logical */ |
| 5192 | case 0xeb44: /* BXHG - branch on index high */ |
| 5193 | case 0xeb45: /* BXLEG - branch on index low or equal */ |
| 5194 | case 0xeb4c: /* ECAG - extract cpu attribute */ |
| 5195 | case 0xebe2: /* LOCG - load on condition */ |
| 5196 | /* 64-bit gpr destination */ |
| 5197 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5198 | return -1; |
| 5199 | break; |
| 5200 | |
| 5201 | /* 0xe305 undefined */ |
| 5202 | |
| 5203 | case 0xe306: /* CVBY - convert to binary */ |
| 5204 | /* 32-bit or native gpr destination + FPC (DXC write) */ |
| 5205 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5206 | return -1; |
| 5207 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5208 | return -1; |
| 5209 | break; |
| 5210 | |
| 5211 | /* 0xe307 undefined */ |
| 5212 | |
| 5213 | case 0xe30d: /* DSG - divide single */ |
| 5214 | case 0xe31d: /* DSGF - divide single */ |
| 5215 | case 0xe384: /* MG - multiply 64x64mem -> 128 */ |
| 5216 | case 0xe386: /* MLG - multiply logical */ |
| 5217 | case 0xe387: /* DLG - divide logical */ |
| 5218 | case 0xe38f: /* LPQ - load pair from quadword */ |
| 5219 | /* 64-bit gpr pair destination */ |
| 5220 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5221 | return -1; |
| 5222 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) |
| 5223 | return -1; |
| 5224 | break; |
| 5225 | |
| 5226 | case 0xe30e: /* CVBG - convert to binary */ |
| 5227 | /* 64-bit gpr destination + FPC (DXC write) */ |
| 5228 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5229 | return -1; |
| 5230 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5231 | return -1; |
| 5232 | break; |
| 5233 | |
| 5234 | /* 0xe310-0xe311 undefined */ |
| 5235 | |
| 5236 | case 0xe312: /* LT - load and test */ |
| 5237 | case 0xe338: /* AGH - add halfword to 64 bit value */ |
| 5238 | case 0xe339: /* SGH - subtract halfword from 64 bit value */ |
| 5239 | case 0xe353: /* MSC - multiply single 32x32mem -> 32 */ |
| 5240 | case 0xe354: /* NY - and */ |
| 5241 | case 0xe356: /* OY - or */ |
| 5242 | case 0xe357: /* XY - xor */ |
| 5243 | case 0xe35a: /* AY - add */ |
| 5244 | case 0xe35b: /* SY - subtract */ |
| 5245 | case 0xe35e: /* ALY - add logical */ |
| 5246 | case 0xe35f: /* SLY - subtract logical */ |
| 5247 | case 0xe37a: /* AHY - add halfword */ |
| 5248 | case 0xe37b: /* SHY - subtract halfword */ |
| 5249 | case 0xe383: /* MSGC - multiply single 64x64mem -> 64 */ |
| 5250 | case 0xe398: /* ALC - add logical with carry */ |
| 5251 | case 0xe399: /* SLB - subtract logical with borrow */ |
| 5252 | case 0xe727: /* LCBB - load count to block bounduary */ |
| 5253 | case 0xeb81: /* ICMY - insert characters under mask */ |
| 5254 | case 0xebdc: /* SRAK - shift left single */ |
| 5255 | case 0xebdd: /* SLAK - shift left single */ |
| 5256 | /* 32/64-bit gpr destination + flags */ |
| 5257 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5258 | return -1; |
| 5259 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5260 | return -1; |
| 5261 | break; |
| 5262 | |
| 5263 | /* 0xe313 privileged */ |
| 5264 | |
| 5265 | case 0xe31e: /* LRV - load reversed */ |
| 5266 | case 0xe31f: /* LRVH - load reversed */ |
| 5267 | case 0xe33b: /* LZRF - load and zero rightmost byte */ |
| 5268 | case 0xe351: /* MSY - multiply single */ |
| 5269 | case 0xe358: /* LY - load */ |
| 5270 | case 0xe371: /* LAY - load address */ |
| 5271 | case 0xe373: /* ICY - insert character */ |
| 5272 | case 0xe376: /* LB - load byte */ |
| 5273 | case 0xe378: /* LHY - load */ |
| 5274 | case 0xe37c: /* MHY - multiply halfword */ |
| 5275 | case 0xe394: /* LLC - load logical character */ |
| 5276 | case 0xe395: /* LLH - load logical halfword */ |
| 5277 | case 0xeb1d: /* RLL - rotate left single logical */ |
| 5278 | case 0xebde: /* SRLK - shift left single logical */ |
| 5279 | case 0xebdf: /* SLLK - shift left single logical */ |
| 5280 | case 0xebf2: /* LOC - load on condition */ |
| 5281 | /* 32-bit or native gpr destination */ |
| 5282 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5283 | return -1; |
| 5284 | break; |
| 5285 | |
| 5286 | case 0xe320: /* CG - compare */ |
| 5287 | case 0xe321: /* CLG - compare logical */ |
| 5288 | case 0xe330: /* CGF - compare */ |
| 5289 | case 0xe331: /* CLGF - compare logical */ |
| 5290 | case 0xe334: /* CGH - compare halfword */ |
| 5291 | case 0xe355: /* CLY - compare logical */ |
| 5292 | case 0xe359: /* CY - compare */ |
| 5293 | case 0xe379: /* CHY - compare halfword */ |
| 5294 | case 0xe3cd: /* CHF - compare high */ |
| 5295 | case 0xe3cf: /* CLHF - compare logical high */ |
| 5296 | case 0xeb20: /* CLMH - compare logical under mask high */ |
| 5297 | case 0xeb21: /* CLMY - compare logical under mask */ |
| 5298 | case 0xeb51: /* TMY - test under mask */ |
| 5299 | case 0xeb55: /* CLIY - compare logical */ |
| 5300 | case 0xebc0: /* TP - test decimal */ |
| 5301 | case 0xed10: /* TCEB - test data class */ |
| 5302 | case 0xed11: /* TCDB - test data class */ |
| 5303 | case 0xed12: /* TCXB - test data class */ |
| 5304 | case 0xed50: /* TDCET - test data class */ |
| 5305 | case 0xed51: /* TDGET - test data group */ |
| 5306 | case 0xed54: /* TDCDT - test data class */ |
| 5307 | case 0xed55: /* TDGDT - test data group */ |
| 5308 | case 0xed58: /* TDCXT - test data class */ |
| 5309 | case 0xed59: /* TDGXT - test data group */ |
| 5310 | /* flags only */ |
| 5311 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5312 | return -1; |
| 5313 | break; |
| 5314 | |
| 5315 | /* 0xe322-0xe323 undefined */ |
| 5316 | |
| 5317 | case 0xe324: /* STG - store */ |
| 5318 | case 0xe325: /* NTSTG - nontransactional store */ |
| 5319 | case 0xe326: /* CVDY - convert to decimal */ |
| 5320 | case 0xe32f: /* STRVG - store reversed */ |
| 5321 | case 0xebe3: /* STOCG - store on condition */ |
| 5322 | case 0xed67: /* STDY - store */ |
| 5323 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); |
| 5324 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 5325 | return -1; |
| 5326 | break; |
| 5327 | |
| 5328 | /* 0xe327-0xe329 undefined */ |
| 5329 | /* 0xe32b-0xe32d undefined */ |
| 5330 | |
| 5331 | case 0xe32e: /* CVDG - convert to decimal */ |
| 5332 | case 0xe38e: /* STPQ - store pair to quadword */ |
| 5333 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); |
| 5334 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 5335 | return -1; |
| 5336 | break; |
| 5337 | |
| 5338 | /* 0xe333 undefined */ |
| 5339 | /* 0xe335 undefined */ |
| 5340 | |
| 5341 | case 0xe336: /* PFD - prefetch data */ |
| 5342 | break; |
| 5343 | |
| 5344 | /* 0xe337 undefined */ |
| 5345 | /* 0xe33c-0xe33d undefined */ |
| 5346 | |
| 5347 | case 0xe33e: /* STRV - store reversed */ |
| 5348 | case 0xe350: /* STY - store */ |
| 5349 | case 0xe3cb: /* STFH - store high */ |
| 5350 | case 0xebe1: /* STOCFH - store high on condition */ |
| 5351 | case 0xebf3: /* STOC - store on condition */ |
| 5352 | case 0xed66: /* STEY - store */ |
| 5353 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); |
| 5354 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 5355 | return -1; |
| 5356 | break; |
| 5357 | |
| 5358 | case 0xe33f: /* STRVH - store reversed */ |
| 5359 | case 0xe370: /* STHY - store halfword */ |
| 5360 | case 0xe3c7: /* STHH - store halfword high */ |
| 5361 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); |
| 5362 | if (record_full_arch_list_add_mem (oaddr, 2)) |
| 5363 | return -1; |
| 5364 | break; |
| 5365 | |
| 5366 | /* 0xe340-0xe345 undefined */ |
| 5367 | |
| 5368 | case 0xe347: /* BIC - branch indirect on condition */ |
| 5369 | break; |
| 5370 | |
| 5371 | /* 0xe348-0xe34f undefined */ |
| 5372 | /* 0xe352 undefined */ |
| 5373 | |
| 5374 | case 0xe35c: /* MFY - multiply */ |
| 5375 | case 0xe396: /* ML - multiply logical */ |
| 5376 | case 0xe397: /* DL - divide logical */ |
| 5377 | /* 32-bit gpr pair destination */ |
| 5378 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5379 | return -1; |
| 5380 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 5381 | return -1; |
| 5382 | break; |
| 5383 | |
| 5384 | /* 0xe35d undefined */ |
| 5385 | /* 0xe360-0xe36f undefined */ |
| 5386 | |
| 5387 | case 0xe372: /* STCY - store character */ |
| 5388 | case 0xe3c3: /* STCH - store character high */ |
| 5389 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); |
| 5390 | if (record_full_arch_list_add_mem (oaddr, 1)) |
| 5391 | return -1; |
| 5392 | break; |
| 5393 | |
| 5394 | /* 0xe374 undefined */ |
| 5395 | |
| 5396 | case 0xe375: /* LAEY - load address extended */ |
| 5397 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5398 | return -1; |
| 5399 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) |
| 5400 | return -1; |
| 5401 | break; |
| 5402 | |
| 5403 | /* 0xe37d-0xe37f undefined */ |
| 5404 | |
| 5405 | case 0xe385: /* LGAT - load and trap */ |
| 5406 | case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */ |
| 5407 | case 0xe39d: /* LLGFAT - load logical and trap */ |
| 5408 | case 0xe650: /* VCVB - vector convert to binary 32 bit*/ |
| 5409 | case 0xe652: /* VCVBG - vector convert to binary 64 bit*/ |
| 5410 | case 0xe721: /* VLGV - vector load gr from vr element */ |
| 5411 | /* 64-bit gpr destination + fpc for possible DXC write */ |
| 5412 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5413 | return -1; |
| 5414 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5415 | return -1; |
| 5416 | break; |
| 5417 | |
| 5418 | /* 0xe38a-0xe38d undefined */ |
| 5419 | /* 0xe392-0xe393 undefined */ |
| 5420 | /* 0xe39a-0xe39b undefined */ |
| 5421 | /* 0xe39e undefined */ |
| 5422 | |
| 5423 | case 0xe39f: /* LAT - load and trap */ |
| 5424 | /* 32-bit gpr destination + fpc for possible DXC write */ |
| 5425 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5426 | return -1; |
| 5427 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5428 | return -1; |
| 5429 | break; |
| 5430 | |
| 5431 | /* 0xe3a0-0xe3bf undefined */ |
| 5432 | |
| 5433 | case 0xe3c0: /* LBH - load byte high */ |
| 5434 | case 0xe3c2: /* LLCH - load logical character high */ |
| 5435 | case 0xe3c4: /* LHH - load halfword high */ |
| 5436 | case 0xe3c6: /* LLHH - load logical halfword high */ |
| 5437 | case 0xe3ca: /* LFH - load high */ |
| 5438 | case 0xebe0: /* LOCFH - load high on condition */ |
| 5439 | /* 32-bit high gpr destination */ |
| 5440 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 5441 | return -1; |
| 5442 | break; |
| 5443 | |
| 5444 | /* 0xe3c1 undefined */ |
| 5445 | /* 0xe3c5 undefined */ |
| 5446 | |
| 5447 | case 0xe3c8: /* LFHAT - load high and trap */ |
| 5448 | /* 32-bit high gpr destination + fpc for possible DXC write */ |
| 5449 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 5450 | return -1; |
| 5451 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5452 | return -1; |
| 5453 | break; |
| 5454 | |
| 5455 | /* 0xe3c9 undefined */ |
| 5456 | /* 0xe3cc undefined */ |
| 5457 | /* 0xe3ce undefined */ |
| 5458 | /* 0xe3d0-0xe3ff undefined */ |
| 5459 | |
| 5460 | case 0xe634: /* VPKZ - vector pack zoned */ |
| 5461 | case 0xe635: /* VLRL - vector load rightmost with immed. length */ |
| 5462 | case 0xe637: /* VLRLR - vector load rightmost with length */ |
| 5463 | case 0xe649: /* VLIP - vector load immediate decimal */ |
| 5464 | case 0xe700: /* VLEB - vector load element */ |
| 5465 | case 0xe701: /* VLEH - vector load element */ |
| 5466 | case 0xe702: /* VLEG - vector load element */ |
| 5467 | case 0xe703: /* VLEF - vector load element */ |
| 5468 | case 0xe704: /* VLLEZ - vector load logical element and zero */ |
| 5469 | case 0xe705: /* VLREP - vector load and replicate */ |
| 5470 | case 0xe706: /* VL - vector load */ |
| 5471 | case 0xe707: /* VLBB - vector load to block bounduary */ |
| 5472 | case 0xe712: /* VGEG - vector gather element */ |
| 5473 | case 0xe713: /* VGEF - vector gather element */ |
| 5474 | case 0xe722: /* VLVG - vector load vr element from gr */ |
| 5475 | case 0xe730: /* VESL - vector element shift left */ |
| 5476 | case 0xe733: /* VERLL - vector element rotate left logical */ |
| 5477 | case 0xe737: /* VLL - vector load with length */ |
| 5478 | case 0xe738: /* VESRL - vector element shift right logical */ |
| 5479 | case 0xe73a: /* VESRA - vector element shift right arithmetic */ |
| 5480 | case 0xe740: /* VLEIB - vector load element immediate */ |
| 5481 | case 0xe741: /* VLEIH - vector load element immediate */ |
| 5482 | case 0xe742: /* VLEIG - vector load element immediate */ |
| 5483 | case 0xe743: /* VLEIF - vector load element immediate */ |
| 5484 | case 0xe744: /* VGBM - vector generate byte mask */ |
| 5485 | case 0xe745: /* VREPI - vector replicate immediate */ |
| 5486 | case 0xe746: /* VGM - vector generate mask */ |
| 5487 | case 0xe74d: /* VREP - vector replicate */ |
| 5488 | case 0xe750: /* VPOPCT - vector population count */ |
| 5489 | case 0xe752: /* VCTZ - vector count trailing zeros */ |
| 5490 | case 0xe753: /* VCLZ - vector count leading zeros */ |
| 5491 | case 0xe756: /* VLR - vector load */ |
| 5492 | case 0xe75f: /* VSEG -vector sign extend to doubleword */ |
| 5493 | case 0xe760: /* VMRL - vector merge low */ |
| 5494 | case 0xe761: /* VMRH - vector merge high */ |
| 5495 | case 0xe762: /* VLVGP - vector load vr from grs disjoint */ |
| 5496 | case 0xe764: /* VSUM - vector sum across word */ |
| 5497 | case 0xe765: /* VSUMG - vector sum across doubleword */ |
| 5498 | case 0xe766: /* VCKSM - vector checksum */ |
| 5499 | case 0xe767: /* VSUMQ - vector sum across quadword */ |
| 5500 | case 0xe768: /* VN - vector and */ |
| 5501 | case 0xe769: /* VNC - vector and with complement */ |
| 5502 | case 0xe76a: /* VO - vector or */ |
| 5503 | case 0xe76b: /* VNO - vector nor */ |
| 5504 | case 0xe76c: /* VNX - vector not exclusive or */ |
| 5505 | case 0xe76d: /* VX - vector xor */ |
| 5506 | case 0xe76e: /* VNN - vector nand */ |
| 5507 | case 0xe76f: /* VOC - vector or with complement */ |
| 5508 | case 0xe770: /* VESLV - vector element shift left */ |
| 5509 | case 0xe772: /* VERIM - vector element rotate and insert under mask */ |
| 5510 | case 0xe773: /* VERLLV - vector element rotate left logical */ |
| 5511 | case 0xe774: /* VSL - vector shift left */ |
| 5512 | case 0xe775: /* VSLB - vector shift left by byte */ |
| 5513 | case 0xe777: /* VSLDB - vector shift left double by byte */ |
| 5514 | case 0xe778: /* VESRLV - vector element shift right logical */ |
| 5515 | case 0xe77a: /* VESRAV - vector element shift right arithmetic */ |
| 5516 | case 0xe77c: /* VSRL - vector shift right logical */ |
| 5517 | case 0xe77d: /* VSRLB - vector shift right logical by byte */ |
| 5518 | case 0xe77e: /* VSRA - vector shift right arithmetic */ |
| 5519 | case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */ |
| 5520 | case 0xe784: /* VPDI - vector permute doubleword immediate */ |
| 5521 | case 0xe785: /* VBPERM - vector bit permute */ |
| 5522 | case 0xe78c: /* VPERM - vector permute */ |
| 5523 | case 0xe78d: /* VSEL - vector select */ |
| 5524 | case 0xe78e: /* VFMS - vector fp multiply and subtract */ |
| 5525 | case 0xe78f: /* VFMA - vector fp multiply and add */ |
| 5526 | case 0xe794: /* VPK - vector pack */ |
| 5527 | case 0xe79e: /* VFNMS - vector fp negative multiply and subtract */ |
| 5528 | case 0xe79f: /* VFNMA - vector fp negative multiply and add */ |
| 5529 | case 0xe7a1: /* VMLH - vector multiply logical high */ |
| 5530 | case 0xe7a2: /* VML - vector multiply low */ |
| 5531 | case 0xe7a3: /* VMH - vector multiply high */ |
| 5532 | case 0xe7a4: /* VMLE - vector multiply logical even */ |
| 5533 | case 0xe7a5: /* VMLO - vector multiply logical odd */ |
| 5534 | case 0xe7a6: /* VME - vector multiply even */ |
| 5535 | case 0xe7a7: /* VMO - vector multiply odd */ |
| 5536 | case 0xe7a9: /* VMALH - vector multiply and add logical high */ |
| 5537 | case 0xe7aa: /* VMAL - vector multiply and add low */ |
| 5538 | case 0xe7ab: /* VMAH - vector multiply and add high */ |
| 5539 | case 0xe7ac: /* VMALE - vector multiply and add logical even */ |
| 5540 | case 0xe7ad: /* VMALO - vector multiply and add logical odd */ |
| 5541 | case 0xe7ae: /* VMAE - vector multiply and add even */ |
| 5542 | case 0xe7af: /* VMAO - vector multiply and add odd */ |
| 5543 | case 0xe7b4: /* VGFM - vector Galois field multiply sum */ |
| 5544 | case 0xe7b8: /* VMSL - vector multiply sum logical */ |
| 5545 | case 0xe7b9: /* VACCC - vector add with carry compute carry */ |
| 5546 | case 0xe7bb: /* VAC - vector add with carry */ |
| 5547 | case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */ |
| 5548 | case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */ |
| 5549 | case 0xe7bf: /* VSBI - vector subtract with borrow indication */ |
| 5550 | case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */ |
| 5551 | case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */ |
| 5552 | case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */ |
| 5553 | case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */ |
| 5554 | case 0xe7c4: /* VLDE/VFLL - vector fp load lengthened */ |
| 5555 | case 0xe7c5: /* VLED/VFLR - vector fp load rounded */ |
| 5556 | case 0xe7c7: /* VFI - vector load fp integer */ |
| 5557 | case 0xe7cc: /* VFPSO - vector fp perform sign operation */ |
| 5558 | case 0xe7ce: /* VFSQ - vector fp square root */ |
| 5559 | case 0xe7d4: /* VUPLL - vector unpack logical low */ |
| 5560 | case 0xe7d6: /* VUPL - vector unpack low */ |
| 5561 | case 0xe7d5: /* VUPLH - vector unpack logical high */ |
| 5562 | case 0xe7d7: /* VUPH - vector unpack high */ |
| 5563 | case 0xe7de: /* VLC - vector load complement */ |
| 5564 | case 0xe7df: /* VLP - vector load positive */ |
| 5565 | case 0xe7e2: /* VFA - vector fp subtract */ |
| 5566 | case 0xe7e3: /* VFA - vector fp add */ |
| 5567 | case 0xe7e5: /* VFD - vector fp divide */ |
| 5568 | case 0xe7e7: /* VFM - vector fp multiply */ |
| 5569 | case 0xe7ee: /* VFMIN - vector fp minimum */ |
| 5570 | case 0xe7ef: /* VFMAX - vector fp maximum */ |
| 5571 | case 0xe7f0: /* VAVGL - vector average logical */ |
| 5572 | case 0xe7f1: /* VACC - vector add and compute carry */ |
| 5573 | case 0xe7f2: /* VAVG - vector average */ |
| 5574 | case 0xe7f3: /* VA - vector add */ |
| 5575 | case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */ |
| 5576 | case 0xe7f7: /* VS - vector subtract */ |
| 5577 | case 0xe7fc: /* VMNL - vector minimum logical */ |
| 5578 | case 0xe7fd: /* VMXL - vector maximum logical */ |
| 5579 | case 0xe7fe: /* VMN - vector minimum */ |
| 5580 | case 0xe7ff: /* VMX - vector maximum */ |
| 5581 | /* vector destination + FPC */ |
| 5582 | if (s390_record_vr (gdbarch, regcache, ivec[0])) |
| 5583 | return -1; |
| 5584 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5585 | return -1; |
| 5586 | break; |
| 5587 | |
| 5588 | case 0xe63d: /* VSTRL - vector store rightmost with immed. length */ |
| 5589 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5590 | if (record_full_arch_list_add_mem (oaddr, inib[3] + 1)) |
| 5591 | return -1; |
| 5592 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5593 | return -1; |
| 5594 | break; |
| 5595 | |
| 5596 | case 0xe708: /* VSTEB - vector store element */ |
| 5597 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 5598 | if (record_full_arch_list_add_mem (oaddr, 1)) |
| 5599 | return -1; |
| 5600 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5601 | return -1; |
| 5602 | break; |
| 5603 | |
| 5604 | case 0xe709: /* VSTEH - vector store element */ |
| 5605 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 5606 | if (record_full_arch_list_add_mem (oaddr, 2)) |
| 5607 | return -1; |
| 5608 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5609 | return -1; |
| 5610 | break; |
| 5611 | |
| 5612 | case 0xe70a: /* VSTEG - vector store element */ |
| 5613 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 5614 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 5615 | return -1; |
| 5616 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5617 | return -1; |
| 5618 | break; |
| 5619 | |
| 5620 | case 0xe70b: /* VSTEF - vector store element */ |
| 5621 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 5622 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 5623 | return -1; |
| 5624 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5625 | return -1; |
| 5626 | break; |
| 5627 | |
| 5628 | /* 0xe70c-0xe70d undefined */ |
| 5629 | |
| 5630 | case 0xe70e: /* VST - vector store */ |
| 5631 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); |
| 5632 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 5633 | return -1; |
| 5634 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5635 | return -1; |
| 5636 | break; |
| 5637 | |
| 5638 | /* 0xe70f-0xe711 undefined */ |
| 5639 | /* 0xe714-0xe719 undefined */ |
| 5640 | |
| 5641 | case 0xe71a: /* VSCEG - vector scatter element */ |
| 5642 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr)) |
| 5643 | return -1; |
| 5644 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 5645 | return -1; |
| 5646 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5647 | return -1; |
| 5648 | break; |
| 5649 | |
| 5650 | case 0xe71b: /* VSCEF - vector scatter element */ |
| 5651 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr)) |
| 5652 | return -1; |
| 5653 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 5654 | return -1; |
| 5655 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5656 | return -1; |
| 5657 | break; |
| 5658 | |
| 5659 | /* 0xe71c-0xe720 undefined */ |
| 5660 | /* 0xe723-0xe726 undefined */ |
| 5661 | /* 0xe728-0xe72f undefined */ |
| 5662 | /* 0xe731-0xe732 undefined */ |
| 5663 | /* 0xe734-0xe735 undefined */ |
| 5664 | |
| 5665 | case 0xe736: /* VLM - vector load multiple */ |
| 5666 | for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f) |
| 5667 | if (s390_record_vr (gdbarch, regcache, i)) |
| 5668 | return -1; |
| 5669 | if (s390_record_vr (gdbarch, regcache, ivec[1])) |
| 5670 | return -1; |
| 5671 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5672 | return -1; |
| 5673 | break; |
| 5674 | |
| 5675 | /* 0xe739 undefined */ |
| 5676 | /* 0xe73b-0xe73d undefined */ |
| 5677 | |
| 5678 | case 0xe73e: /* VSTM - vector store multiple */ |
| 5679 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5680 | if (ivec[0] <= ivec[1]) |
| 5681 | n = ivec[1] - ivec[0] + 1; |
| 5682 | else |
| 5683 | n = ivec[1] + 0x20 - ivec[0] + 1; |
| 5684 | if (record_full_arch_list_add_mem (oaddr, n * 16)) |
| 5685 | return -1; |
| 5686 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5687 | return -1; |
| 5688 | break; |
| 5689 | |
| 5690 | case 0xe63c: /* VUPKZ - vector unpack zoned */ |
| 5691 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5692 | if (record_full_arch_list_add_mem (oaddr, (ibyte[1] + 1) & 31)) |
| 5693 | return -1; |
| 5694 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5695 | return -1; |
| 5696 | break; |
| 5697 | |
| 5698 | case 0xe63f: /* VSTRLR - vector store rightmost with length */ |
| 5699 | case 0xe73f: /* VSTL - vector store with length */ |
| 5700 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 5701 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp); |
| 5702 | tmp &= 0xffffffffu; |
| 5703 | if (tmp > 15) |
| 5704 | tmp = 15; |
| 5705 | if (record_full_arch_list_add_mem (oaddr, tmp + 1)) |
| 5706 | return -1; |
| 5707 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5708 | return -1; |
| 5709 | break; |
| 5710 | |
| 5711 | /* 0xe747-0xe749 undefined */ |
| 5712 | |
| 5713 | case 0xe658: /* VCVD - vector convert to decimal 32 bit */ |
| 5714 | case 0xe659: /* VSRP - vector shift and round decimal */ |
| 5715 | case 0xe65a: /* VCVDG - vector convert to decimal 64 bit*/ |
| 5716 | case 0xe65b: /* VPSOP - vector perform sign operation decimal */ |
| 5717 | case 0xe671: /* VAP - vector add decimal */ |
| 5718 | case 0xe673: /* VSP - vector subtract decimal */ |
| 5719 | case 0xe678: /* VMP - vector multiply decimal */ |
| 5720 | case 0xe679: /* VMSP - vector multiply decimal */ |
| 5721 | case 0xe67a: /* VDP - vector divide decimal */ |
| 5722 | case 0xe67b: /* VRP - vector remainder decimal */ |
| 5723 | case 0xe67e: /* VSDP - vector shift and divide decimal */ |
| 5724 | case 0xe74a: /* VFTCI - vector fp test data class immediate */ |
| 5725 | case 0xe75c: /* VISTR - vector isolate string */ |
| 5726 | case 0xe780: /* VFEE - vector find element equal */ |
| 5727 | case 0xe781: /* VFENE - vector find element not equal */ |
| 5728 | case 0xe782: /* VFA - vector find any element equal */ |
| 5729 | case 0xe78a: /* VSTRC - vector string range compare */ |
| 5730 | case 0xe795: /* VPKLS - vector pack logical saturate */ |
| 5731 | case 0xe797: /* VPKS - vector pack saturate */ |
| 5732 | case 0xe7e8: /* VFCE - vector fp compare equal */ |
| 5733 | case 0xe7ea: /* VFCHE - vector fp compare high or equal */ |
| 5734 | case 0xe7eb: /* VFCH - vector fp compare high */ |
| 5735 | case 0xe7f8: /* VCEQ - vector compare equal */ |
| 5736 | case 0xe7f9: /* VCHL - vector compare high logical */ |
| 5737 | case 0xe7fb: /* VCH - vector compare high */ |
| 5738 | /* vector destination + flags + FPC */ |
| 5739 | if (s390_record_vr (gdbarch, regcache, ivec[0])) |
| 5740 | return -1; |
| 5741 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5742 | return -1; |
| 5743 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5744 | return -1; |
| 5745 | break; |
| 5746 | |
| 5747 | case 0xe65f: /* VTP - vector test decimal */ |
| 5748 | /* flags + FPC */ |
| 5749 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5750 | return -1; |
| 5751 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5752 | return -1; |
| 5753 | break; |
| 5754 | |
| 5755 | /* 0xe74b-0xe74c undefined */ |
| 5756 | /* 0xe74e-0xe74f undefined */ |
| 5757 | /* 0xe751 undefined */ |
| 5758 | /* 0xe754-0xe755 undefined */ |
| 5759 | /* 0xe757-0xe75b undefined */ |
| 5760 | /* 0xe75d-0xe75e undefined */ |
| 5761 | /* 0xe763 undefined */ |
| 5762 | /* 0xe771 undefined */ |
| 5763 | /* 0xe776 undefined */ |
| 5764 | /* 0xe779 undefined */ |
| 5765 | /* 0xe77b undefined */ |
| 5766 | /* 0xe783 undefined */ |
| 5767 | /* 0xe786-0xe789 undefined */ |
| 5768 | /* 0xe78b undefined */ |
| 5769 | /* 0xe790-0xe793 undefined */ |
| 5770 | /* 0xe796 undefined */ |
| 5771 | /* 0xe798-0xe79d undefined */ |
| 5772 | /* 0xe7a0 undefined */ |
| 5773 | /* 0xe7a8 undefined */ |
| 5774 | /* 0xe7b0-0xe7b3 undefined */ |
| 5775 | /* 0xe7b5-0xe7b7 undefined */ |
| 5776 | /* 0xe7ba undefined */ |
| 5777 | /* 0xe7be undefined */ |
| 5778 | /* 0xe7c6 undefined */ |
| 5779 | /* 0xe7c8-0xe7c9 undefined */ |
| 5780 | |
| 5781 | case 0xe677: /* VCP - vector compare decimal */ |
| 5782 | case 0xe7ca: /* WFK - vector fp compare and signal scalar */ |
| 5783 | case 0xe7cb: /* WFC - vector fp compare scalar */ |
| 5784 | case 0xe7d8: /* VTM - vector test under mask */ |
| 5785 | case 0xe7d9: /* VECL - vector element compare logical */ |
| 5786 | case 0xe7db: /* VEC - vector element compare */ |
| 5787 | case 0xed08: /* KEB - compare and signal */ |
| 5788 | case 0xed09: /* CEB - compare */ |
| 5789 | case 0xed18: /* KDB - compare and signal */ |
| 5790 | case 0xed19: /* CDB - compare */ |
| 5791 | /* flags + fpc only */ |
| 5792 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5793 | return -1; |
| 5794 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5795 | return -1; |
| 5796 | break; |
| 5797 | |
| 5798 | /* 0xe7cd undefined */ |
| 5799 | /* 0xe7cf-0xe7d3 undefined */ |
| 5800 | /* 0xe7da undefined */ |
| 5801 | /* 0xe7dc-0xe7dd undefined */ |
| 5802 | /* 0xe7e0-0xe7e1 undefined */ |
| 5803 | /* 0xe7e4 undefined */ |
| 5804 | /* 0xe7e6 undefined */ |
| 5805 | /* 0xe7e9 undefined */ |
| 5806 | /* 0xe7ec-0xe7ed undefined */ |
| 5807 | /* 0xe7f4 undefined */ |
| 5808 | /* 0xe7f6 undefined */ |
| 5809 | /* 0xe7fa undefined */ |
| 5810 | |
| 5811 | /* 0xeb00-0xeb03 undefined */ |
| 5812 | |
| 5813 | case 0xeb04: /* LMG - load multiple */ |
| 5814 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) |
| 5815 | if (s390_record_gpr_g (gdbarch, regcache, i)) |
| 5816 | return -1; |
| 5817 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) |
| 5818 | return -1; |
| 5819 | break; |
| 5820 | |
| 5821 | /* 0xeb05-0xeb09 undefined */ |
| 5822 | /* 0xeb0e undefined */ |
| 5823 | /* 0xeb0f privileged: TRACG */ |
| 5824 | /* 0xeb10-0xeb13 undefined */ |
| 5825 | |
| 5826 | case 0xeb14: /* CSY - compare and swap */ |
| 5827 | case 0xebf4: /* LAN - load and and */ |
| 5828 | case 0xebf6: /* LAO - load and or */ |
| 5829 | case 0xebf7: /* LAX - load and xor */ |
| 5830 | case 0xebf8: /* LAA - load and add */ |
| 5831 | case 0xebfa: /* LAAL - load and add logical */ |
| 5832 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5833 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 5834 | return -1; |
| 5835 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5836 | return -1; |
| 5837 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5838 | return -1; |
| 5839 | break; |
| 5840 | |
| 5841 | /* 0xeb15-0xeb1b undefined */ |
| 5842 | /* 0xeb1e-0xeb1f undefined */ |
| 5843 | /* 0xeb22 undefined */ |
| 5844 | |
| 5845 | case 0xeb23: /* CLT - compare logical and trap */ |
| 5846 | case 0xeb2b: /* CLGT - compare logical and trap */ |
| 5847 | /* fpc only - including possible DXC write for trapping insns */ |
| 5848 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 5849 | return -1; |
| 5850 | break; |
| 5851 | |
| 5852 | case 0xeb24: /* STMG - store multiple */ |
| 5853 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5854 | if (inib[2] <= inib[3]) |
| 5855 | n = inib[3] - inib[2] + 1; |
| 5856 | else |
| 5857 | n = inib[3] + 0x10 - inib[2] + 1; |
| 5858 | if (record_full_arch_list_add_mem (oaddr, n * 8)) |
| 5859 | return -1; |
| 5860 | break; |
| 5861 | |
| 5862 | /* 0xeb25 privileged */ |
| 5863 | |
| 5864 | case 0xeb26: /* STMH - store multiple high */ |
| 5865 | case 0xeb90: /* STMY - store multiple */ |
| 5866 | case 0xeb9b: /* STAMY - store access multiple */ |
| 5867 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5868 | if (inib[2] <= inib[3]) |
| 5869 | n = inib[3] - inib[2] + 1; |
| 5870 | else |
| 5871 | n = inib[3] + 0x10 - inib[2] + 1; |
| 5872 | if (record_full_arch_list_add_mem (oaddr, n * 4)) |
| 5873 | return -1; |
| 5874 | break; |
| 5875 | |
| 5876 | /* 0xeb27-0xeb2a undefined */ |
| 5877 | |
| 5878 | case 0xeb2c: /* STCMH - store characters under mask */ |
| 5879 | case 0xeb2d: /* STCMY - store characters under mask */ |
| 5880 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5881 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) |
| 5882 | return -1; |
| 5883 | break; |
| 5884 | |
| 5885 | /* 0xeb2e undefined */ |
| 5886 | /* 0xeb2f privileged */ |
| 5887 | |
| 5888 | case 0xeb30: /* CSG - compare and swap */ |
| 5889 | case 0xebe4: /* LANG - load and and */ |
| 5890 | case 0xebe6: /* LAOG - load and or */ |
| 5891 | case 0xebe7: /* LAXG - load and xor */ |
| 5892 | case 0xebe8: /* LAAG - load and add */ |
| 5893 | case 0xebea: /* LAALG - load and add logical */ |
| 5894 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5895 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 5896 | return -1; |
| 5897 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5898 | return -1; |
| 5899 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5900 | return -1; |
| 5901 | break; |
| 5902 | |
| 5903 | case 0xeb31: /* CDSY - compare double and swap */ |
| 5904 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5905 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 5906 | return -1; |
| 5907 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5908 | return -1; |
| 5909 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 5910 | return -1; |
| 5911 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5912 | return -1; |
| 5913 | break; |
| 5914 | |
| 5915 | /* 0xeb32-0xeb3d undefined */ |
| 5916 | |
| 5917 | case 0xeb3e: /* CDSG - compare double and swap */ |
| 5918 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5919 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 5920 | return -1; |
| 5921 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 5922 | return -1; |
| 5923 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) |
| 5924 | return -1; |
| 5925 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5926 | return -1; |
| 5927 | break; |
| 5928 | |
| 5929 | /* 0xeb3f-0xeb43 undefined */ |
| 5930 | /* 0xeb46-0xeb4b undefined */ |
| 5931 | /* 0xeb4d-0xeb50 undefined */ |
| 5932 | |
| 5933 | case 0xeb52: /* MVIY - move */ |
| 5934 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5935 | if (record_full_arch_list_add_mem (oaddr, 1)) |
| 5936 | return -1; |
| 5937 | break; |
| 5938 | |
| 5939 | case 0xeb54: /* NIY - and */ |
| 5940 | case 0xeb56: /* OIY - or */ |
| 5941 | case 0xeb57: /* XIY - xor */ |
| 5942 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5943 | if (record_full_arch_list_add_mem (oaddr, 1)) |
| 5944 | return -1; |
| 5945 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5946 | return -1; |
| 5947 | break; |
| 5948 | |
| 5949 | /* 0xeb53 undefined */ |
| 5950 | /* 0xeb58-0xeb69 undefined */ |
| 5951 | |
| 5952 | case 0xeb6a: /* ASI - add immediate */ |
| 5953 | case 0xeb6e: /* ALSI - add immediate */ |
| 5954 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5955 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 5956 | return -1; |
| 5957 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5958 | return -1; |
| 5959 | break; |
| 5960 | |
| 5961 | /* 0xeb6b-0xeb6d undefined */ |
| 5962 | /* 0xeb6f-0xeb79 undefined */ |
| 5963 | |
| 5964 | case 0xeb7a: /* AGSI - add immediate */ |
| 5965 | case 0xeb7e: /* ALGSI - add immediate */ |
| 5966 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); |
| 5967 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 5968 | return -1; |
| 5969 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5970 | return -1; |
| 5971 | break; |
| 5972 | |
| 5973 | /* 0xeb7b-0xeb7d undefined */ |
| 5974 | /* 0xeb7f undefined */ |
| 5975 | |
| 5976 | case 0xeb80: /* ICMH - insert characters under mask */ |
| 5977 | /* 32-bit high gpr destination + flags */ |
| 5978 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 5979 | return -1; |
| 5980 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 5981 | return -1; |
| 5982 | break; |
| 5983 | |
| 5984 | /* 0xeb82-0xeb8d undefined */ |
| 5985 | |
| 5986 | case 0xeb8e: /* MVCLU - move long unicode [partial] */ |
| 5987 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); |
| 5988 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); |
| 5989 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); |
| 5990 | if (record_full_arch_list_add_mem (oaddr, tmp)) |
| 5991 | return -1; |
| 5992 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 5993 | return -1; |
| 5994 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 5995 | return -1; |
| 5996 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 5997 | return -1; |
| 5998 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) |
| 5999 | return -1; |
| 6000 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6001 | return -1; |
| 6002 | break; |
| 6003 | |
| 6004 | case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */ |
| 6005 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 6006 | return -1; |
| 6007 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) |
| 6008 | return -1; |
| 6009 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 6010 | return -1; |
| 6011 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) |
| 6012 | return -1; |
| 6013 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6014 | return -1; |
| 6015 | break; |
| 6016 | |
| 6017 | /* 0xeb91-0xeb95 undefined */ |
| 6018 | |
| 6019 | case 0xeb96: /* LMH - load multiple high */ |
| 6020 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) |
| 6021 | if (s390_record_gpr_h (gdbarch, regcache, i)) |
| 6022 | return -1; |
| 6023 | if (s390_record_gpr_h (gdbarch, regcache, inib[3])) |
| 6024 | return -1; |
| 6025 | break; |
| 6026 | |
| 6027 | /* 0xeb97 undefined */ |
| 6028 | |
| 6029 | case 0xeb98: /* LMY - load multiple */ |
| 6030 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) |
| 6031 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) |
| 6032 | return -1; |
| 6033 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 6034 | return -1; |
| 6035 | break; |
| 6036 | |
| 6037 | /* 0xeb99 undefined */ |
| 6038 | |
| 6039 | case 0xeb9a: /* LAMY - load access multiple */ |
| 6040 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) |
| 6041 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) |
| 6042 | return -1; |
| 6043 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) |
| 6044 | return -1; |
| 6045 | break; |
| 6046 | |
| 6047 | /* 0xeb9c-0xebbf undefined */ |
| 6048 | /* 0xebc1-0xebdb undefined */ |
| 6049 | /* 0xebe5 undefined */ |
| 6050 | /* 0xebe9 undefined */ |
| 6051 | /* 0xebeb-0xebf1 undefined */ |
| 6052 | /* 0xebf5 undefined */ |
| 6053 | /* 0xebf9 undefined */ |
| 6054 | /* 0xebfb-0xebff undefined */ |
| 6055 | |
| 6056 | /* 0xed00-0xed03 undefined */ |
| 6057 | |
| 6058 | case 0xed04: /* LDEB - load lengthened */ |
| 6059 | case 0xed0c: /* MDEB - multiply */ |
| 6060 | case 0xed0d: /* DEB - divide */ |
| 6061 | case 0xed14: /* SQEB - square root */ |
| 6062 | case 0xed15: /* SQDB - square root */ |
| 6063 | case 0xed17: /* MEEB - multiply */ |
| 6064 | case 0xed1c: /* MDB - multiply */ |
| 6065 | case 0xed1d: /* DDB - divide */ |
| 6066 | /* float destination + fpc */ |
| 6067 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 6068 | return -1; |
| 6069 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6070 | return -1; |
| 6071 | break; |
| 6072 | |
| 6073 | case 0xed05: /* LXDB - load lengthened */ |
| 6074 | case 0xed06: /* LXEB - load lengthened */ |
| 6075 | case 0xed07: /* MXDB - multiply */ |
| 6076 | /* float pair destination + fpc */ |
| 6077 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 6078 | return -1; |
| 6079 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) |
| 6080 | return -1; |
| 6081 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6082 | return -1; |
| 6083 | break; |
| 6084 | |
| 6085 | case 0xed0a: /* AEB - add */ |
| 6086 | case 0xed0b: /* SEB - subtract */ |
| 6087 | case 0xed1a: /* ADB - add */ |
| 6088 | case 0xed1b: /* SDB - subtract */ |
| 6089 | /* float destination + flags + fpc */ |
| 6090 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 6091 | return -1; |
| 6092 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6093 | return -1; |
| 6094 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6095 | return -1; |
| 6096 | break; |
| 6097 | |
| 6098 | case 0xed0e: /* MAEB - multiply and add */ |
| 6099 | case 0xed0f: /* MSEB - multiply and subtract */ |
| 6100 | case 0xed1e: /* MADB - multiply and add */ |
| 6101 | case 0xed1f: /* MSDB - multiply and subtract */ |
| 6102 | case 0xed40: /* SLDT - shift significand left */ |
| 6103 | case 0xed41: /* SRDT - shift significand right */ |
| 6104 | case 0xedaa: /* CDZT - convert from zoned */ |
| 6105 | case 0xedae: /* CDPT - convert from packed */ |
| 6106 | /* float destination [RXF] + fpc */ |
| 6107 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) |
| 6108 | return -1; |
| 6109 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6110 | return -1; |
| 6111 | break; |
| 6112 | |
| 6113 | /* 0xed13 undefined */ |
| 6114 | /* 0xed16 undefined */ |
| 6115 | /* 0xed20-0xed23 undefined */ |
| 6116 | |
| 6117 | case 0xed24: /* LDE - load lengthened */ |
| 6118 | case 0xed34: /* SQE - square root */ |
| 6119 | case 0xed35: /* SQD - square root */ |
| 6120 | case 0xed37: /* MEE - multiply */ |
| 6121 | case 0xed64: /* LEY - load */ |
| 6122 | case 0xed65: /* LDY - load */ |
| 6123 | /* float destination */ |
| 6124 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 6125 | return -1; |
| 6126 | break; |
| 6127 | |
| 6128 | case 0xed25: /* LXD - load lengthened */ |
| 6129 | case 0xed26: /* LXE - load lengthened */ |
| 6130 | /* float pair destination */ |
| 6131 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) |
| 6132 | return -1; |
| 6133 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) |
| 6134 | return -1; |
| 6135 | break; |
| 6136 | |
| 6137 | /* 0xed27-0xed2d undefined */ |
| 6138 | |
| 6139 | case 0xed2e: /* MAE - multiply and add */ |
| 6140 | case 0xed2f: /* MSE - multiply and subtract */ |
| 6141 | case 0xed38: /* MAYL - multiply and add unnormalized */ |
| 6142 | case 0xed39: /* MYL - multiply unnormalized */ |
| 6143 | case 0xed3c: /* MAYH - multiply and add unnormalized */ |
| 6144 | case 0xed3d: /* MYH - multiply unnormalized */ |
| 6145 | case 0xed3e: /* MAD - multiply and add */ |
| 6146 | case 0xed3f: /* MSD - multiply and subtract */ |
| 6147 | /* float destination [RXF] */ |
| 6148 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) |
| 6149 | return -1; |
| 6150 | break; |
| 6151 | |
| 6152 | /* 0xed30-0xed33 undefined */ |
| 6153 | /* 0xed36 undefined */ |
| 6154 | |
| 6155 | case 0xed3a: /* MAY - multiply and add unnormalized */ |
| 6156 | case 0xed3b: /* MY - multiply unnormalized */ |
| 6157 | /* float pair destination [RXF] */ |
| 6158 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) |
| 6159 | return -1; |
| 6160 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) |
| 6161 | return -1; |
| 6162 | break; |
| 6163 | |
| 6164 | /* 0xed42-0xed47 undefind */ |
| 6165 | |
| 6166 | case 0xed48: /* SLXT - shift significand left */ |
| 6167 | case 0xed49: /* SRXT - shift significand right */ |
| 6168 | case 0xedab: /* CXZT - convert from zoned */ |
| 6169 | case 0xedaf: /* CXPT - convert from packed */ |
| 6170 | /* float pair destination [RXF] + fpc */ |
| 6171 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) |
| 6172 | return -1; |
| 6173 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) |
| 6174 | return -1; |
| 6175 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6176 | return -1; |
| 6177 | break; |
| 6178 | |
| 6179 | /* 0xed4a-0xed4f undefind */ |
| 6180 | /* 0xed52-0xed53 undefind */ |
| 6181 | /* 0xed56-0xed57 undefind */ |
| 6182 | /* 0xed5a-0xed63 undefind */ |
| 6183 | /* 0xed68-0xeda7 undefined */ |
| 6184 | |
| 6185 | case 0xeda8: /* CZDT - convert to zoned */ |
| 6186 | case 0xeda9: /* CZXT - convert to zoned */ |
| 6187 | case 0xedac: /* CPDT - convert to packed */ |
| 6188 | case 0xedad: /* CPXT - convert to packed */ |
| 6189 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6190 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) |
| 6191 | return -1; |
| 6192 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6193 | return -1; |
| 6194 | break; |
| 6195 | |
| 6196 | /* 0xedb0-0xedff undefined */ |
| 6197 | |
| 6198 | default: |
| 6199 | goto UNKNOWN_OP; |
| 6200 | } |
| 6201 | break; |
| 6202 | |
| 6203 | /* 0xe4 undefined */ |
| 6204 | |
| 6205 | case 0xe5: |
| 6206 | /* SSE/SIL-format instruction */ |
| 6207 | switch (insn[0]) |
| 6208 | { |
| 6209 | /* 0xe500-0xe543 undefined, privileged, or unsupported */ |
| 6210 | |
| 6211 | case 0xe544: /* MVHHI - move */ |
| 6212 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6213 | if (record_full_arch_list_add_mem (oaddr, 2)) |
| 6214 | return -1; |
| 6215 | break; |
| 6216 | |
| 6217 | /* 0xe545-0xe547 undefined */ |
| 6218 | |
| 6219 | case 0xe548: /* MVGHI - move */ |
| 6220 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6221 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 6222 | return -1; |
| 6223 | break; |
| 6224 | |
| 6225 | /* 0xe549-0xe54b undefined */ |
| 6226 | |
| 6227 | case 0xe54c: /* MVHI - move */ |
| 6228 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6229 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 6230 | return -1; |
| 6231 | break; |
| 6232 | |
| 6233 | /* 0xe54d-0xe553 undefined */ |
| 6234 | |
| 6235 | case 0xe554: /* CHHSI - compare halfword immediate */ |
| 6236 | case 0xe555: /* CLHHSI - compare logical immediate */ |
| 6237 | case 0xe558: /* CGHSI - compare halfword immediate */ |
| 6238 | case 0xe559: /* CLGHSI - compare logical immediate */ |
| 6239 | case 0xe55c: /* CHSI - compare halfword immediate */ |
| 6240 | case 0xe55d: /* CLFHSI - compare logical immediate */ |
| 6241 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6242 | return -1; |
| 6243 | break; |
| 6244 | |
| 6245 | /* 0xe556-0xe557 undefined */ |
| 6246 | /* 0xe55a-0xe55b undefined */ |
| 6247 | /* 0xe55e-0xe55f undefined */ |
| 6248 | |
| 6249 | case 0xe560: /* TBEGIN - transaction begin */ |
| 6250 | /* The transaction will be immediately aborted after this |
| 6251 | instruction, due to single-stepping. This instruction is |
| 6252 | only supported so that the program can fail a few times |
| 6253 | and go to the non-transactional fallback. */ |
| 6254 | if (inib[4]) |
| 6255 | { |
| 6256 | /* Transaction diagnostic block - user. */ |
| 6257 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6258 | if (record_full_arch_list_add_mem (oaddr, 256)) |
| 6259 | return -1; |
| 6260 | } |
| 6261 | /* Transaction diagnostic block - supervisor. */ |
| 6262 | if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM)) |
| 6263 | return -1; |
| 6264 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM)) |
| 6265 | return -1; |
| 6266 | if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM)) |
| 6267 | return -1; |
| 6268 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM)) |
| 6269 | return -1; |
| 6270 | for (i = 0; i < 16; i++) |
| 6271 | if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i)) |
| 6272 | return -1; |
| 6273 | /* And flags. */ |
| 6274 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6275 | return -1; |
| 6276 | break; |
| 6277 | |
| 6278 | /* 0xe561 unsupported: TBEGINC */ |
| 6279 | /* 0xe562-0xe5ff undefined */ |
| 6280 | |
| 6281 | default: |
| 6282 | goto UNKNOWN_OP; |
| 6283 | } |
| 6284 | break; |
| 6285 | |
| 6286 | case 0xec: |
| 6287 | /* RIE/RIS/RRS-format instruction */ |
| 6288 | switch (ibyte[0] << 8 | ibyte[5]) |
| 6289 | { |
| 6290 | /* 0xec00-0xec41 undefined */ |
| 6291 | |
| 6292 | case 0xec42: /* LOCHI - load halfword immediate on condition */ |
| 6293 | case 0xec51: /* RISBLG - rotate then insert selected bits low */ |
| 6294 | /* 32-bit or native gpr destination */ |
| 6295 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 6296 | return -1; |
| 6297 | break; |
| 6298 | |
| 6299 | /* 0xec43 undefined */ |
| 6300 | |
| 6301 | case 0xec44: /* BRXHG - branch relative on index high */ |
| 6302 | case 0xec45: /* BRXLG - branch relative on index low or equal */ |
| 6303 | case 0xec46: /* LOCGHI - load halfword immediate on condition */ |
| 6304 | case 0xec59: /* RISBGN - rotate then insert selected bits */ |
| 6305 | /* 64-bit gpr destination */ |
| 6306 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 6307 | return -1; |
| 6308 | break; |
| 6309 | |
| 6310 | /* 0xec47-0xec4d undefined */ |
| 6311 | |
| 6312 | case 0xec4e: /* LOCHHI - load halfword immediate on condition */ |
| 6313 | case 0xec5d: /* RISBHG - rotate then insert selected bits high */ |
| 6314 | /* 32-bit high gpr destination */ |
| 6315 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) |
| 6316 | return -1; |
| 6317 | break; |
| 6318 | |
| 6319 | /* 0xec4f-0xec50 undefined */ |
| 6320 | /* 0xec52-0xec53 undefined */ |
| 6321 | |
| 6322 | case 0xec54: /* RNSBG - rotate then and selected bits */ |
| 6323 | case 0xec55: /* RISBG - rotate then insert selected bits */ |
| 6324 | case 0xec56: /* ROSBG - rotate then or selected bits */ |
| 6325 | case 0xec57: /* RXSBG - rotate then xor selected bits */ |
| 6326 | case 0xecd9: /* AGHIK - add immediate */ |
| 6327 | case 0xecdb: /* ALGHSIK - add logical immediate */ |
| 6328 | /* 64-bit gpr destination + flags */ |
| 6329 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 6330 | return -1; |
| 6331 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6332 | return -1; |
| 6333 | break; |
| 6334 | |
| 6335 | /* 0xec58 undefined */ |
| 6336 | /* 0xec5a-0xec5c undefined */ |
| 6337 | /* 0xec5e-0xec63 undefined */ |
| 6338 | |
| 6339 | case 0xec64: /* CGRJ - compare and branch relative */ |
| 6340 | case 0xec65: /* CLGRJ - compare logical and branch relative */ |
| 6341 | case 0xec76: /* CRJ - compare and branch relative */ |
| 6342 | case 0xec77: /* CLRJ - compare logical and branch relative */ |
| 6343 | case 0xec7c: /* CGIJ - compare immediate and branch relative */ |
| 6344 | case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */ |
| 6345 | case 0xec7e: /* CIJ - compare immediate and branch relative */ |
| 6346 | case 0xec7f: /* CLIJ - compare logical immediate and branch relative */ |
| 6347 | case 0xece4: /* CGRB - compare and branch */ |
| 6348 | case 0xece5: /* CLGRB - compare logical and branch */ |
| 6349 | case 0xecf6: /* CRB - compare and branch */ |
| 6350 | case 0xecf7: /* CLRB - compare logical and branch */ |
| 6351 | case 0xecfc: /* CGIB - compare immediate and branch */ |
| 6352 | case 0xecfd: /* CLGIB - compare logical immediate and branch */ |
| 6353 | case 0xecfe: /* CIB - compare immediate and branch */ |
| 6354 | case 0xecff: /* CLIB - compare logical immediate and branch */ |
| 6355 | break; |
| 6356 | |
| 6357 | /* 0xec66-0xec6f undefined */ |
| 6358 | |
| 6359 | case 0xec70: /* CGIT - compare immediate and trap */ |
| 6360 | case 0xec71: /* CLGIT - compare logical immediate and trap */ |
| 6361 | case 0xec72: /* CIT - compare immediate and trap */ |
| 6362 | case 0xec73: /* CLFIT - compare logical immediate and trap */ |
| 6363 | /* fpc only - including possible DXC write for trapping insns */ |
| 6364 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6365 | return -1; |
| 6366 | break; |
| 6367 | |
| 6368 | /* 0xec74-0xec75 undefined */ |
| 6369 | /* 0xec78-0xec7b undefined */ |
| 6370 | |
| 6371 | /* 0xec80-0xecd7 undefined */ |
| 6372 | |
| 6373 | case 0xecd8: /* AHIK - add immediate */ |
| 6374 | case 0xecda: /* ALHSIK - add logical immediate */ |
| 6375 | /* 32-bit gpr destination + flags */ |
| 6376 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 6377 | return -1; |
| 6378 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6379 | return -1; |
| 6380 | break; |
| 6381 | |
| 6382 | /* 0xecdc-0xece3 undefined */ |
| 6383 | /* 0xece6-0xecf5 undefined */ |
| 6384 | /* 0xecf8-0xecfb undefined */ |
| 6385 | |
| 6386 | default: |
| 6387 | goto UNKNOWN_OP; |
| 6388 | } |
| 6389 | break; |
| 6390 | |
| 6391 | case 0xee: /* PLO - perform locked operation */ |
| 6392 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); |
| 6393 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6394 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); |
| 6395 | if (!(tmp & 0x100)) |
| 6396 | { |
| 6397 | uint8_t fc = tmp & 0xff; |
| 6398 | gdb_byte buf[8]; |
| 6399 | switch (fc) |
| 6400 | { |
| 6401 | case 0x00: /* CL */ |
| 6402 | /* op1c */ |
| 6403 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 6404 | return -1; |
| 6405 | /* op3 */ |
| 6406 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 6407 | return -1; |
| 6408 | break; |
| 6409 | |
| 6410 | case 0x01: /* CLG */ |
| 6411 | /* op1c */ |
| 6412 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) |
| 6413 | return -1; |
| 6414 | /* op3 */ |
| 6415 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) |
| 6416 | return -1; |
| 6417 | break; |
| 6418 | |
| 6419 | case 0x02: /* CLGR */ |
| 6420 | /* op1c */ |
| 6421 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 6422 | return -1; |
| 6423 | /* op3 */ |
| 6424 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) |
| 6425 | return -1; |
| 6426 | break; |
| 6427 | |
| 6428 | case 0x03: /* CLX */ |
| 6429 | /* op1c */ |
| 6430 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) |
| 6431 | return -1; |
| 6432 | /* op3 */ |
| 6433 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) |
| 6434 | return -1; |
| 6435 | break; |
| 6436 | |
| 6437 | case 0x08: /* DCS */ |
| 6438 | /* op3c */ |
| 6439 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) |
| 6440 | return -1; |
| 6441 | /* fallthru */ |
| 6442 | case 0x0c: /* CSST */ |
| 6443 | /* op4 */ |
| 6444 | if (record_full_arch_list_add_mem (oaddr2, 4)) |
| 6445 | return -1; |
| 6446 | goto CS; |
| 6447 | |
| 6448 | case 0x14: /* CSTST */ |
| 6449 | /* op8 */ |
| 6450 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) |
| 6451 | return -1; |
| 6452 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6453 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6454 | if (record_full_arch_list_add_mem (oaddr3, 4)) |
| 6455 | return -1; |
| 6456 | /* fallthru */ |
| 6457 | case 0x10: /* CSDST */ |
| 6458 | /* op6 */ |
| 6459 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) |
| 6460 | return -1; |
| 6461 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6462 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6463 | if (record_full_arch_list_add_mem (oaddr3, 4)) |
| 6464 | return -1; |
| 6465 | /* op4 */ |
| 6466 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) |
| 6467 | return -1; |
| 6468 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6469 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6470 | if (record_full_arch_list_add_mem (oaddr3, 4)) |
| 6471 | return -1; |
| 6472 | /* fallthru */ |
| 6473 | case 0x04: /* CS */ |
| 6474 | CS: |
| 6475 | /* op1c */ |
| 6476 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
| 6477 | return -1; |
| 6478 | /* op2 */ |
| 6479 | if (record_full_arch_list_add_mem (oaddr, 4)) |
| 6480 | return -1; |
| 6481 | break; |
| 6482 | |
| 6483 | case 0x09: /* DCSG */ |
| 6484 | /* op3c */ |
| 6485 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) |
| 6486 | return -1; |
| 6487 | goto CSSTG; |
| 6488 | |
| 6489 | case 0x15: /* CSTSTG */ |
| 6490 | /* op8 */ |
| 6491 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) |
| 6492 | return -1; |
| 6493 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6494 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6495 | if (record_full_arch_list_add_mem (oaddr3, 8)) |
| 6496 | return -1; |
| 6497 | /* fallthru */ |
| 6498 | case 0x11: /* CSDSTG */ |
| 6499 | /* op6 */ |
| 6500 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) |
| 6501 | return -1; |
| 6502 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6503 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6504 | if (record_full_arch_list_add_mem (oaddr3, 8)) |
| 6505 | return -1; |
| 6506 | /* fallthru */ |
| 6507 | case 0x0d: /* CSSTG */ |
| 6508 | CSSTG: |
| 6509 | /* op4 */ |
| 6510 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) |
| 6511 | return -1; |
| 6512 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6513 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6514 | if (record_full_arch_list_add_mem (oaddr3, 8)) |
| 6515 | return -1; |
| 6516 | /* fallthru */ |
| 6517 | case 0x05: /* CSG */ |
| 6518 | /* op1c */ |
| 6519 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) |
| 6520 | return -1; |
| 6521 | /* op2 */ |
| 6522 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 6523 | return -1; |
| 6524 | break; |
| 6525 | |
| 6526 | case 0x0a: /* DCSGR */ |
| 6527 | /* op3c */ |
| 6528 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) |
| 6529 | return -1; |
| 6530 | /* fallthru */ |
| 6531 | case 0x0e: /* CSSTGR */ |
| 6532 | /* op4 */ |
| 6533 | if (record_full_arch_list_add_mem (oaddr2, 8)) |
| 6534 | return -1; |
| 6535 | goto CSGR; |
| 6536 | |
| 6537 | case 0x16: /* CSTSTGR */ |
| 6538 | /* op8 */ |
| 6539 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) |
| 6540 | return -1; |
| 6541 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6542 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6543 | if (record_full_arch_list_add_mem (oaddr3, 8)) |
| 6544 | return -1; |
| 6545 | /* fallthru */ |
| 6546 | case 0x12: /* CSDSTGR */ |
| 6547 | /* op6 */ |
| 6548 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) |
| 6549 | return -1; |
| 6550 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6551 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6552 | if (record_full_arch_list_add_mem (oaddr3, 8)) |
| 6553 | return -1; |
| 6554 | /* op4 */ |
| 6555 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) |
| 6556 | return -1; |
| 6557 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6558 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6559 | if (record_full_arch_list_add_mem (oaddr3, 8)) |
| 6560 | return -1; |
| 6561 | /* fallthru */ |
| 6562 | case 0x06: /* CSGR */ |
| 6563 | CSGR: |
| 6564 | /* op1c */ |
| 6565 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) |
| 6566 | return -1; |
| 6567 | /* op2 */ |
| 6568 | if (record_full_arch_list_add_mem (oaddr, 8)) |
| 6569 | return -1; |
| 6570 | break; |
| 6571 | |
| 6572 | case 0x0b: /* DCSX */ |
| 6573 | /* op3c */ |
| 6574 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) |
| 6575 | return -1; |
| 6576 | goto CSSTX; |
| 6577 | |
| 6578 | case 0x17: /* CSTSTX */ |
| 6579 | /* op8 */ |
| 6580 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) |
| 6581 | return -1; |
| 6582 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6583 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6584 | if (record_full_arch_list_add_mem (oaddr3, 16)) |
| 6585 | return -1; |
| 6586 | /* fallthru */ |
| 6587 | case 0x13: /* CSDSTX */ |
| 6588 | /* op6 */ |
| 6589 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) |
| 6590 | return -1; |
| 6591 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6592 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6593 | if (record_full_arch_list_add_mem (oaddr3, 16)) |
| 6594 | return -1; |
| 6595 | /* fallthru */ |
| 6596 | case 0x0f: /* CSSTX */ |
| 6597 | CSSTX: |
| 6598 | /* op4 */ |
| 6599 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) |
| 6600 | return -1; |
| 6601 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); |
| 6602 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); |
| 6603 | if (record_full_arch_list_add_mem (oaddr3, 16)) |
| 6604 | return -1; |
| 6605 | /* fallthru */ |
| 6606 | case 0x07: /* CSX */ |
| 6607 | /* op1c */ |
| 6608 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) |
| 6609 | return -1; |
| 6610 | /* op2 */ |
| 6611 | if (record_full_arch_list_add_mem (oaddr, 16)) |
| 6612 | return -1; |
| 6613 | break; |
| 6614 | |
| 6615 | default: |
| 6616 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n", |
| 6617 | fc, paddress (gdbarch, addr)); |
| 6618 | return -1; |
| 6619 | } |
| 6620 | } |
| 6621 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6622 | return -1; |
| 6623 | break; |
| 6624 | |
| 6625 | case 0xef: /* LMD - load multiple disjoint */ |
| 6626 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) |
| 6627 | if (s390_record_gpr_g (gdbarch, regcache, i)) |
| 6628 | return -1; |
| 6629 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) |
| 6630 | return -1; |
| 6631 | break; |
| 6632 | |
| 6633 | case 0xf0: /* SRP - shift and round decimal */ |
| 6634 | case 0xf8: /* ZAP - zero and add */ |
| 6635 | case 0xfa: /* AP - add decimal */ |
| 6636 | case 0xfb: /* SP - subtract decimal */ |
| 6637 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6638 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) |
| 6639 | return -1; |
| 6640 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6641 | return -1; |
| 6642 | /* DXC may be written */ |
| 6643 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6644 | return -1; |
| 6645 | break; |
| 6646 | |
| 6647 | case 0xf1: /* MVO - move with offset */ |
| 6648 | case 0xf2: /* PACK - pack */ |
| 6649 | case 0xf3: /* UNPK - unpack */ |
| 6650 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6651 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) |
| 6652 | return -1; |
| 6653 | break; |
| 6654 | |
| 6655 | /* 0xf4-0xf7 undefined */ |
| 6656 | |
| 6657 | case 0xf9: /* CP - compare decimal */ |
| 6658 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
| 6659 | return -1; |
| 6660 | /* DXC may be written */ |
| 6661 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6662 | return -1; |
| 6663 | break; |
| 6664 | |
| 6665 | case 0xfc: /* MP - multiply decimal */ |
| 6666 | case 0xfd: /* DP - divide decimal */ |
| 6667 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); |
| 6668 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) |
| 6669 | return -1; |
| 6670 | /* DXC may be written */ |
| 6671 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) |
| 6672 | return -1; |
| 6673 | break; |
| 6674 | |
| 6675 | /* 0xfe-0xff undefined */ |
| 6676 | |
| 6677 | default: |
| 6678 | UNKNOWN_OP: |
| 6679 | fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x " |
| 6680 | "at %s.\n", insn[0], paddress (gdbarch, addr)); |
| 6681 | return -1; |
| 6682 | } |
| 6683 | |
| 6684 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) |
| 6685 | return -1; |
| 6686 | if (record_full_arch_list_add_end ()) |
| 6687 | return -1; |
| 6688 | return 0; |
| 6689 | } |
| 6690 | |
| 6691 | /* Miscellaneous. */ |
| 6692 | |
| 6693 | /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or |
| 6694 | "-mcmodel=large". */ |
| 6695 | |
| 6696 | static char * |
| 6697 | s390_gcc_target_options (struct gdbarch *gdbarch) |
| 6698 | { |
| 6699 | return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31"); |
| 6700 | } |
| 6701 | |
| 6702 | /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*" |
| 6703 | for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is |
| 6704 | always "s390". Note that an s390x compiler supports "-m31" as |
| 6705 | well. */ |
| 6706 | |
| 6707 | static const char * |
| 6708 | s390_gnu_triplet_regexp (struct gdbarch *gdbarch) |
| 6709 | { |
| 6710 | return "s390x?"; |
| 6711 | } |
| 6712 | |
| 6713 | /* Implementation of `gdbarch_stap_is_single_operand', as defined in |
| 6714 | gdbarch.h. */ |
| 6715 | |
| 6716 | static int |
| 6717 | s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s) |
| 6718 | { |
| 6719 | return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement |
| 6720 | or indirection. */ |
| 6721 | || *s == '%' /* Register access. */ |
| 6722 | || isdigit (*s)); /* Literal number. */ |
| 6723 | } |
| 6724 | |
| 6725 | /* gdbarch init. */ |
| 6726 | |
| 6727 | /* Validate the range of registers. NAMES must be known at compile time. */ |
| 6728 | |
| 6729 | #define s390_validate_reg_range(feature, tdesc_data, start, names) \ |
| 6730 | do \ |
| 6731 | { \ |
| 6732 | for (int i = 0; i < ARRAY_SIZE (names); i++) \ |
| 6733 | if (!tdesc_numbered_register (feature, tdesc_data, start + i, names[i])) \ |
| 6734 | return false; \ |
| 6735 | } \ |
| 6736 | while (0) |
| 6737 | |
| 6738 | /* Validate the target description. Also numbers registers contained in |
| 6739 | tdesc. */ |
| 6740 | |
| 6741 | static bool |
| 6742 | s390_tdesc_valid (struct gdbarch_tdep *tdep, |
| 6743 | struct tdesc_arch_data *tdesc_data) |
| 6744 | { |
| 6745 | static const char *const psw[] = { |
| 6746 | "pswm", "pswa" |
| 6747 | }; |
| 6748 | static const char *const gprs[] = { |
| 6749 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", |
| 6750 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" |
| 6751 | }; |
| 6752 | static const char *const fprs[] = { |
| 6753 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
| 6754 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15" |
| 6755 | }; |
| 6756 | static const char *const acrs[] = { |
| 6757 | "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7", |
| 6758 | "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15" |
| 6759 | }; |
| 6760 | static const char *const gprs_lower[] = { |
| 6761 | "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l", |
| 6762 | "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l" |
| 6763 | }; |
| 6764 | static const char *const gprs_upper[] = { |
| 6765 | "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h", |
| 6766 | "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h" |
| 6767 | }; |
| 6768 | static const char *const tdb_regs[] = { |
| 6769 | "tdb0", "tac", "tct", "atia", |
| 6770 | "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7", |
| 6771 | "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15" |
| 6772 | }; |
| 6773 | static const char *const vxrs_low[] = { |
| 6774 | "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l", |
| 6775 | "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l", |
| 6776 | }; |
| 6777 | static const char *const vxrs_high[] = { |
| 6778 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", |
| 6779 | "v25", "v26", "v27", "v28", "v29", "v30", "v31", |
| 6780 | }; |
| 6781 | static const char *const gs_cb[] = { |
| 6782 | "gsd", "gssm", "gsepla", |
| 6783 | }; |
| 6784 | static const char *const gs_bc[] = { |
| 6785 | "bc_gsd", "bc_gssm", "bc_gsepla", |
| 6786 | }; |
| 6787 | |
| 6788 | const struct target_desc *tdesc = tdep->tdesc; |
| 6789 | const struct tdesc_feature *feature; |
| 6790 | |
| 6791 | if (!tdesc_has_registers (tdesc)) |
| 6792 | return false; |
| 6793 | |
| 6794 | /* Core registers, i.e. general purpose and PSW. */ |
| 6795 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core"); |
| 6796 | if (feature == NULL) |
| 6797 | return false; |
| 6798 | |
| 6799 | s390_validate_reg_range (feature, tdesc_data, S390_PSWM_REGNUM, psw); |
| 6800 | |
| 6801 | if (tdesc_unnumbered_register (feature, "r0")) |
| 6802 | { |
| 6803 | s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM, gprs); |
| 6804 | } |
| 6805 | else |
| 6806 | { |
| 6807 | tdep->have_upper = true; |
| 6808 | s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM, |
| 6809 | gprs_lower); |
| 6810 | s390_validate_reg_range (feature, tdesc_data, S390_R0_UPPER_REGNUM, |
| 6811 | gprs_upper); |
| 6812 | } |
| 6813 | |
| 6814 | /* Floating point registers. */ |
| 6815 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr"); |
| 6816 | if (feature == NULL) |
| 6817 | return false; |
| 6818 | |
| 6819 | if (!tdesc_numbered_register (feature, tdesc_data, S390_FPC_REGNUM, "fpc")) |
| 6820 | return false; |
| 6821 | |
| 6822 | s390_validate_reg_range (feature, tdesc_data, S390_F0_REGNUM, fprs); |
| 6823 | |
| 6824 | /* Access control registers. */ |
| 6825 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr"); |
| 6826 | if (feature == NULL) |
| 6827 | return false; |
| 6828 | |
| 6829 | s390_validate_reg_range (feature, tdesc_data, S390_A0_REGNUM, acrs); |
| 6830 | |
| 6831 | /* Optional GNU/Linux-specific "registers". */ |
| 6832 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux"); |
| 6833 | if (feature) |
| 6834 | { |
| 6835 | tdesc_numbered_register (feature, tdesc_data, |
| 6836 | S390_ORIG_R2_REGNUM, "orig_r2"); |
| 6837 | |
| 6838 | if (tdesc_numbered_register (feature, tdesc_data, |
| 6839 | S390_LAST_BREAK_REGNUM, "last_break")) |
| 6840 | tdep->have_linux_v1 = true; |
| 6841 | |
| 6842 | if (tdesc_numbered_register (feature, tdesc_data, |
| 6843 | S390_SYSTEM_CALL_REGNUM, "system_call")) |
| 6844 | tdep->have_linux_v2 = true; |
| 6845 | |
| 6846 | if (tdep->have_linux_v2 && !tdep->have_linux_v1) |
| 6847 | return false; |
| 6848 | } |
| 6849 | |
| 6850 | /* Transaction diagnostic block. */ |
| 6851 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb"); |
| 6852 | if (feature) |
| 6853 | { |
| 6854 | s390_validate_reg_range (feature, tdesc_data, S390_TDB_DWORD0_REGNUM, |
| 6855 | tdb_regs); |
| 6856 | tdep->have_tdb = true; |
| 6857 | } |
| 6858 | |
| 6859 | /* Vector registers. */ |
| 6860 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx"); |
| 6861 | if (feature) |
| 6862 | { |
| 6863 | s390_validate_reg_range (feature, tdesc_data, S390_V0_LOWER_REGNUM, |
| 6864 | vxrs_low); |
| 6865 | s390_validate_reg_range (feature, tdesc_data, S390_V16_REGNUM, |
| 6866 | vxrs_high); |
| 6867 | tdep->have_vx = true; |
| 6868 | } |
| 6869 | |
| 6870 | /* Guarded-storage registers. */ |
| 6871 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gs"); |
| 6872 | if (feature) |
| 6873 | { |
| 6874 | s390_validate_reg_range (feature, tdesc_data, S390_GSD_REGNUM, gs_cb); |
| 6875 | tdep->have_gs = true; |
| 6876 | } |
| 6877 | |
| 6878 | /* Guarded-storage broadcast control. */ |
| 6879 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gsbc"); |
| 6880 | if (feature) |
| 6881 | { |
| 6882 | if (!tdep->have_gs) |
| 6883 | return false; |
| 6884 | s390_validate_reg_range (feature, tdesc_data, S390_BC_GSD_REGNUM, |
| 6885 | gs_bc); |
| 6886 | } |
| 6887 | |
| 6888 | return true; |
| 6889 | } |
| 6890 | |
| 6891 | /* Allocate and initialize new gdbarch_tdep. Caller is responsible to free |
| 6892 | memory after use. */ |
| 6893 | |
| 6894 | static struct gdbarch_tdep * |
| 6895 | s390_gdbarch_tdep_alloc () |
| 6896 | { |
| 6897 | struct gdbarch_tdep *tdep = XCNEW (struct gdbarch_tdep); |
| 6898 | |
| 6899 | tdep->tdesc = NULL; |
| 6900 | |
| 6901 | tdep->abi = ABI_NONE; |
| 6902 | tdep->vector_abi = S390_VECTOR_ABI_NONE; |
| 6903 | |
| 6904 | tdep->gpr_full_regnum = -1; |
| 6905 | tdep->v0_full_regnum = -1; |
| 6906 | tdep->pc_regnum = -1; |
| 6907 | tdep->cc_regnum = -1; |
| 6908 | |
| 6909 | tdep->have_upper = false; |
| 6910 | tdep->have_linux_v1 = false; |
| 6911 | tdep->have_linux_v2 = false; |
| 6912 | tdep->have_tdb = false; |
| 6913 | tdep->have_vx = false; |
| 6914 | tdep->have_gs = false; |
| 6915 | |
| 6916 | tdep->s390_syscall_record = NULL; |
| 6917 | |
| 6918 | return tdep; |
| 6919 | } |
| 6920 | |
| 6921 | /* Set up gdbarch struct. */ |
| 6922 | |
| 6923 | static struct gdbarch * |
| 6924 | s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) |
| 6925 | { |
| 6926 | const struct target_desc *tdesc = info.target_desc; |
| 6927 | int first_pseudo_reg, last_pseudo_reg; |
| 6928 | static const char *const stap_register_prefixes[] = { "%", NULL }; |
| 6929 | static const char *const stap_register_indirection_prefixes[] = { "(", |
| 6930 | NULL }; |
| 6931 | static const char *const stap_register_indirection_suffixes[] = { ")", |
| 6932 | NULL }; |
| 6933 | |
| 6934 | struct gdbarch_tdep *tdep = s390_gdbarch_tdep_alloc (); |
| 6935 | struct gdbarch *gdbarch = gdbarch_alloc (&info, tdep); |
| 6936 | struct tdesc_arch_data *tdesc_data = tdesc_data_alloc (); |
| 6937 | info.tdesc_data = tdesc_data; |
| 6938 | |
| 6939 | set_gdbarch_believe_pcc_promotion (gdbarch, 0); |
| 6940 | set_gdbarch_char_signed (gdbarch, 0); |
| 6941 | |
| 6942 | /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles. |
| 6943 | We can safely let them default to 128-bit, since the debug info |
| 6944 | will give the size of type actually used in each case. */ |
| 6945 | set_gdbarch_long_double_bit (gdbarch, 128); |
| 6946 | set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad); |
| 6947 | |
| 6948 | /* Breakpoints. */ |
| 6949 | /* Amount PC must be decremented by after a breakpoint. This is |
| 6950 | often the number of bytes returned by gdbarch_breakpoint_from_pc but not |
| 6951 | always. */ |
| 6952 | set_gdbarch_decr_pc_after_break (gdbarch, 2); |
| 6953 | set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc); |
| 6954 | set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind); |
| 6955 | |
| 6956 | /* Displaced stepping. */ |
| 6957 | set_gdbarch_displaced_step_copy_insn (gdbarch, |
| 6958 | s390_displaced_step_copy_insn); |
| 6959 | set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup); |
| 6960 | set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location); |
| 6961 | set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep); |
| 6962 | set_gdbarch_software_single_step (gdbarch, s390_software_single_step); |
| 6963 | set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE); |
| 6964 | |
| 6965 | /* Prologue analysis. */ |
| 6966 | set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue); |
| 6967 | |
| 6968 | /* Register handling. */ |
| 6969 | set_gdbarch_num_regs (gdbarch, S390_NUM_REGS); |
| 6970 | set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM); |
| 6971 | set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM); |
| 6972 | set_gdbarch_guess_tracepoint_registers (gdbarch, |
| 6973 | s390_guess_tracepoint_registers); |
| 6974 | set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); |
| 6975 | set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); |
| 6976 | set_gdbarch_value_from_register (gdbarch, s390_value_from_register); |
| 6977 | |
| 6978 | /* Pseudo registers. */ |
| 6979 | set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read); |
| 6980 | set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write); |
| 6981 | set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name); |
| 6982 | set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type); |
| 6983 | set_tdesc_pseudo_register_reggroup_p (gdbarch, |
| 6984 | s390_pseudo_register_reggroup_p); |
| 6985 | set_gdbarch_ax_pseudo_register_collect (gdbarch, |
| 6986 | s390_ax_pseudo_register_collect); |
| 6987 | set_gdbarch_ax_pseudo_register_push_stack |
| 6988 | (gdbarch, s390_ax_pseudo_register_push_stack); |
| 6989 | set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address); |
| 6990 | |
| 6991 | /* Inferior function calls. */ |
| 6992 | set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call); |
| 6993 | set_gdbarch_dummy_id (gdbarch, s390_dummy_id); |
| 6994 | set_gdbarch_frame_align (gdbarch, s390_frame_align); |
| 6995 | set_gdbarch_return_value (gdbarch, s390_return_value); |
| 6996 | |
| 6997 | /* Frame handling. */ |
| 6998 | /* Stack grows downward. */ |
| 6999 | set_gdbarch_inner_than (gdbarch, core_addr_lessthan); |
| 7000 | set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p); |
| 7001 | dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg); |
| 7002 | dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum); |
| 7003 | dwarf2_append_unwinders (gdbarch); |
| 7004 | set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc); |
| 7005 | set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp); |
| 7006 | |
| 7007 | switch (info.bfd_arch_info->mach) |
| 7008 | { |
| 7009 | case bfd_mach_s390_31: |
| 7010 | set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove); |
| 7011 | break; |
| 7012 | |
| 7013 | case bfd_mach_s390_64: |
| 7014 | set_gdbarch_long_bit (gdbarch, 64); |
| 7015 | set_gdbarch_long_long_bit (gdbarch, 64); |
| 7016 | set_gdbarch_ptr_bit (gdbarch, 64); |
| 7017 | set_gdbarch_address_class_type_flags (gdbarch, |
| 7018 | s390_address_class_type_flags); |
| 7019 | set_gdbarch_address_class_type_flags_to_name (gdbarch, |
| 7020 | s390_address_class_type_flags_to_name); |
| 7021 | set_gdbarch_address_class_name_to_type_flags (gdbarch, |
| 7022 | s390_address_class_name_to_type_flags); |
| 7023 | break; |
| 7024 | } |
| 7025 | |
| 7026 | /* SystemTap functions. */ |
| 7027 | set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); |
| 7028 | set_gdbarch_stap_register_indirection_prefixes (gdbarch, |
| 7029 | stap_register_indirection_prefixes); |
| 7030 | set_gdbarch_stap_register_indirection_suffixes (gdbarch, |
| 7031 | stap_register_indirection_suffixes); |
| 7032 | |
| 7033 | set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options); |
| 7034 | set_gdbarch_valid_disassembler_options (gdbarch, |
| 7035 | disassembler_options_s390 ()); |
| 7036 | |
| 7037 | /* Process record-replay */ |
| 7038 | set_gdbarch_process_record (gdbarch, s390_process_record); |
| 7039 | |
| 7040 | /* Miscellaneous. */ |
| 7041 | set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand); |
| 7042 | set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options); |
| 7043 | set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp); |
| 7044 | |
| 7045 | /* Initialize the OSABI. */ |
| 7046 | gdbarch_init_osabi (info, gdbarch); |
| 7047 | |
| 7048 | /* Always create a default tdesc. Otherwise commands like 'set osabi' |
| 7049 | cause GDB to crash with an internal error when the user tries to set |
| 7050 | an unsupported OSABI. */ |
| 7051 | if (!tdesc_has_registers (tdesc)) |
| 7052 | { |
| 7053 | if (info.bfd_arch_info->mach == bfd_mach_s390_31) |
| 7054 | tdesc = tdesc_s390_linux32; |
| 7055 | else |
| 7056 | tdesc = tdesc_s390x_linux64; |
| 7057 | } |
| 7058 | tdep->tdesc = tdesc; |
| 7059 | |
| 7060 | /* Check any target description for validity. */ |
| 7061 | if (!s390_tdesc_valid (tdep, tdesc_data)) |
| 7062 | { |
| 7063 | tdesc_data_cleanup (tdesc_data); |
| 7064 | xfree (tdep); |
| 7065 | gdbarch_free (gdbarch); |
| 7066 | return NULL; |
| 7067 | } |
| 7068 | |
| 7069 | /* Determine vector ABI. */ |
| 7070 | #ifdef HAVE_ELF |
| 7071 | if (tdep->have_vx |
| 7072 | && info.abfd != NULL |
| 7073 | && info.abfd->format == bfd_object |
| 7074 | && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour |
| 7075 | && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU, |
| 7076 | Tag_GNU_S390_ABI_Vector) == 2) |
| 7077 | tdep->vector_abi = S390_VECTOR_ABI_128; |
| 7078 | #endif |
| 7079 | |
| 7080 | /* Find a candidate among extant architectures. */ |
| 7081 | for (arches = gdbarch_list_lookup_by_info (arches, &info); |
| 7082 | arches != NULL; |
| 7083 | arches = gdbarch_list_lookup_by_info (arches->next, &info)) |
| 7084 | { |
| 7085 | struct gdbarch_tdep *tmp = gdbarch_tdep (arches->gdbarch); |
| 7086 | if (!tmp) |
| 7087 | continue; |
| 7088 | /* A program can 'choose' not to use the vector registers when they |
| 7089 | are present. Leading to the same tdesc but different tdep and |
| 7090 | thereby a different gdbarch. */ |
| 7091 | if (tmp->vector_abi != tdep->vector_abi) |
| 7092 | continue; |
| 7093 | |
| 7094 | tdesc_data_cleanup (tdesc_data); |
| 7095 | xfree (tdep); |
| 7096 | gdbarch_free (gdbarch); |
| 7097 | return arches->gdbarch; |
| 7098 | } |
| 7099 | |
| 7100 | tdesc_use_registers (gdbarch, tdep->tdesc, tdesc_data); |
| 7101 | set_gdbarch_register_name (gdbarch, s390_register_name); |
| 7102 | |
| 7103 | /* Assign pseudo register numbers. */ |
| 7104 | first_pseudo_reg = gdbarch_num_regs (gdbarch); |
| 7105 | last_pseudo_reg = first_pseudo_reg; |
| 7106 | if (tdep->have_upper) |
| 7107 | { |
| 7108 | tdep->gpr_full_regnum = last_pseudo_reg; |
| 7109 | last_pseudo_reg += 16; |
| 7110 | } |
| 7111 | if (tdep->have_vx) |
| 7112 | { |
| 7113 | tdep->v0_full_regnum = last_pseudo_reg; |
| 7114 | last_pseudo_reg += 16; |
| 7115 | } |
| 7116 | tdep->pc_regnum = last_pseudo_reg++; |
| 7117 | tdep->cc_regnum = last_pseudo_reg++; |
| 7118 | set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum); |
| 7119 | set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg); |
| 7120 | |
| 7121 | /* Frame handling. */ |
| 7122 | frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); |
| 7123 | frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind); |
| 7124 | frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind); |
| 7125 | frame_base_set_default (gdbarch, &s390_frame_base); |
| 7126 | |
| 7127 | return gdbarch; |
| 7128 | } |
| 7129 | |
| 7130 | void |
| 7131 | _initialize_s390_tdep (void) |
| 7132 | { |
| 7133 | /* Hook us into the gdbarch mechanism. */ |
| 7134 | register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init); |
| 7135 | |
| 7136 | initialize_tdesc_s390_linux32 (); |
| 7137 | initialize_tdesc_s390x_linux64 (); |
| 7138 | } |