1 /* Target-dependent code for GDB, the GNU debugger.
3 Copyright (C) 2001-2016 Free Software Foundation, Inc.
5 Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
6 for IBM Deutschland Entwicklung GmbH, IBM Corporation.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "arch-utils.h"
33 #include "floatformat.h"
35 #include "trad-frame.h"
36 #include "frame-base.h"
37 #include "frame-unwind.h"
38 #include "dwarf2-frame.h"
39 #include "reggroups.h"
43 #include "solib-svr4.h"
44 #include "prologue-value.h"
45 #include "linux-tdep.h"
46 #include "s390-linux-tdep.h"
47 #include "linux-record.h"
48 #include "record-full.h"
50 #include "xml-syscall.h"
52 #include "stap-probe.h"
55 #include "user-regs.h"
56 #include "cli/cli-utils.h"
58 #include "elf/common.h"
62 #include "features/s390-linux32.c"
63 #include "features/s390-linux32v1.c"
64 #include "features/s390-linux32v2.c"
65 #include "features/s390-linux64.c"
66 #include "features/s390-linux64v1.c"
67 #include "features/s390-linux64v2.c"
68 #include "features/s390-te-linux64.c"
69 #include "features/s390-vx-linux64.c"
70 #include "features/s390-tevx-linux64.c"
71 #include "features/s390x-linux64.c"
72 #include "features/s390x-linux64v1.c"
73 #include "features/s390x-linux64v2.c"
74 #include "features/s390x-te-linux64.c"
75 #include "features/s390x-vx-linux64.c"
76 #include "features/s390x-tevx-linux64.c"
78 #define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml"
79 #define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml"
87 enum s390_vector_abi_kind
93 /* The tdep structure. */
98 enum s390_abi_kind abi;
101 enum s390_vector_abi_kind vector_abi;
103 /* Pseudo register numbers. */
115 /* ABI call-saved register information. */
118 s390_register_call_saved (struct gdbarch *gdbarch, int regnum)
120 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
125 if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
126 || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM
127 || regnum == S390_A0_REGNUM)
132 case ABI_LINUX_ZSERIES:
133 if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
134 || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM)
135 || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM))
145 s390_cannot_store_register (struct gdbarch *gdbarch, int regnum)
147 /* The last-break address is read-only. */
148 return regnum == S390_LAST_BREAK_REGNUM;
152 s390_write_pc (struct regcache *regcache, CORE_ADDR pc)
154 struct gdbarch *gdbarch = get_regcache_arch (regcache);
155 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
157 regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc);
159 /* Set special SYSTEM_CALL register to 0 to prevent the kernel from
160 messing with the PC we just installed, if we happen to be within
161 an interrupted system call that the kernel wants to restart.
163 Note that after we return from the dummy call, the SYSTEM_CALL and
164 ORIG_R2 registers will be automatically restored, and the kernel
165 continues to restart the system call at this point. */
166 if (register_size (gdbarch, S390_SYSTEM_CALL_REGNUM) > 0)
167 regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0);
170 /* The "guess_tracepoint_registers" gdbarch method. */
173 s390_guess_tracepoint_registers (struct gdbarch *gdbarch,
174 struct regcache *regcache,
177 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
178 int sz = register_size (gdbarch, S390_PSWA_REGNUM);
179 gdb_byte *reg = (gdb_byte *) alloca (sz);
182 /* Set PSWA from the location and a default PSWM (the only part we're
183 unlikely to get right is the CC). */
184 if (tdep->abi == ABI_LINUX_S390)
186 /* 31-bit PSWA needs high bit set (it's very unlikely the target
187 was in 24-bit mode). */
188 pswa = addr | 0x80000000UL;
194 pswm = 0x0705000180000000ULL;
197 store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa);
198 regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg);
200 store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm);
201 regcache_raw_supply (regcache, S390_PSWM_REGNUM, reg);
205 /* DWARF Register Mapping. */
207 static const short s390_dwarf_regmap[] =
209 /* 0-15: General Purpose Registers. */
210 S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
211 S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
212 S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
213 S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
215 /* 16-31: Floating Point Registers / Vector Registers 0-15. */
216 S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM,
217 S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM,
218 S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM,
219 S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM,
221 /* 32-47: Control Registers (not mapped). */
222 -1, -1, -1, -1, -1, -1, -1, -1,
223 -1, -1, -1, -1, -1, -1, -1, -1,
225 /* 48-63: Access Registers. */
226 S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM,
227 S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM,
228 S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM,
229 S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM,
231 /* 64-65: Program Status Word. */
235 /* 66-67: Reserved. */
238 /* 68-83: Vector Registers 16-31. */
239 S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM,
240 S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM,
241 S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM,
242 S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM,
244 /* End of "official" DWARF registers. The remainder of the map is
245 for GDB internal use only. */
247 /* GPR Lower Half Access. */
248 S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
249 S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
250 S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
251 S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
254 enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 };
256 /* Convert DWARF register number REG to the appropriate register
257 number used by GDB. */
259 s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg)
261 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
264 /* In a 32-on-64 debug scenario, debug info refers to the full
265 64-bit GPRs. Note that call frame information still refers to
266 the 32-bit lower halves, because s390_adjust_frame_regnum uses
267 special register numbers to access GPRs. */
268 if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16)
269 return tdep->gpr_full_regnum + reg;
271 if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap))
272 gdb_reg = s390_dwarf_regmap[reg];
274 if (tdep->v0_full_regnum == -1)
276 if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM)
281 if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM)
282 gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum;
288 /* Translate a .eh_frame register to DWARF register, or adjust a
289 .debug_frame register. */
291 s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p)
293 /* See s390_dwarf_reg_to_regnum for comments. */
294 return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num;
298 /* Pseudo registers. */
301 regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum)
303 return (tdep->gpr_full_regnum != -1
304 && regnum >= tdep->gpr_full_regnum
305 && regnum <= tdep->gpr_full_regnum + 15);
308 /* Check whether REGNUM indicates a full vector register (v0-v15).
309 These pseudo-registers are composed of f0-f15 and v0l-v15l. */
312 regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum)
314 return (tdep->v0_full_regnum != -1
315 && regnum >= tdep->v0_full_regnum
316 && regnum <= tdep->v0_full_regnum + 15);
319 /* Return the name of register REGNO. Return the empty string for
320 registers that shouldn't be visible. */
323 s390_register_name (struct gdbarch *gdbarch, int regnum)
325 if (regnum >= S390_V0_LOWER_REGNUM
326 && regnum <= S390_V15_LOWER_REGNUM)
328 return tdesc_register_name (gdbarch, regnum);
332 s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum)
334 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
336 if (regnum == tdep->pc_regnum)
339 if (regnum == tdep->cc_regnum)
342 if (regnum_is_gpr_full (tdep, regnum))
344 static const char *full_name[] = {
345 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
346 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
348 return full_name[regnum - tdep->gpr_full_regnum];
351 if (regnum_is_vxr_full (tdep, regnum))
353 static const char *full_name[] = {
354 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
355 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
357 return full_name[regnum - tdep->v0_full_regnum];
360 internal_error (__FILE__, __LINE__, _("invalid regnum"));
364 s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum)
366 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
368 if (regnum == tdep->pc_regnum)
369 return builtin_type (gdbarch)->builtin_func_ptr;
371 if (regnum == tdep->cc_regnum)
372 return builtin_type (gdbarch)->builtin_int;
374 if (regnum_is_gpr_full (tdep, regnum))
375 return builtin_type (gdbarch)->builtin_uint64;
377 if (regnum_is_vxr_full (tdep, regnum))
378 return tdesc_find_type (gdbarch, "vec128");
380 internal_error (__FILE__, __LINE__, _("invalid regnum"));
383 static enum register_status
384 s390_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
385 int regnum, gdb_byte *buf)
387 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
388 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
389 int regsize = register_size (gdbarch, regnum);
392 if (regnum == tdep->pc_regnum)
394 enum register_status status;
396 status = regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &val);
397 if (status == REG_VALID)
399 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
401 store_unsigned_integer (buf, regsize, byte_order, val);
406 if (regnum == tdep->cc_regnum)
408 enum register_status status;
410 status = regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &val);
411 if (status == REG_VALID)
413 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
414 val = (val >> 12) & 3;
416 val = (val >> 44) & 3;
417 store_unsigned_integer (buf, regsize, byte_order, val);
422 if (regnum_is_gpr_full (tdep, regnum))
424 enum register_status status;
427 regnum -= tdep->gpr_full_regnum;
429 status = regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + regnum, &val);
430 if (status == REG_VALID)
431 status = regcache_raw_read_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
433 if (status == REG_VALID)
435 val |= val_upper << 32;
436 store_unsigned_integer (buf, regsize, byte_order, val);
441 if (regnum_is_vxr_full (tdep, regnum))
443 enum register_status status;
445 regnum -= tdep->v0_full_regnum;
447 status = regcache_raw_read (regcache, S390_F0_REGNUM + regnum, buf);
448 if (status == REG_VALID)
449 status = regcache_raw_read (regcache,
450 S390_V0_LOWER_REGNUM + regnum, buf + 8);
454 internal_error (__FILE__, __LINE__, _("invalid regnum"));
458 s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
459 int regnum, const gdb_byte *buf)
461 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
462 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
463 int regsize = register_size (gdbarch, regnum);
466 if (regnum == tdep->pc_regnum)
468 val = extract_unsigned_integer (buf, regsize, byte_order);
469 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
471 regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw);
472 val = (psw & 0x80000000) | (val & 0x7fffffff);
474 regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val);
478 if (regnum == tdep->cc_regnum)
480 val = extract_unsigned_integer (buf, regsize, byte_order);
481 regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw);
482 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
483 val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12);
485 val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44);
486 regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val);
490 if (regnum_is_gpr_full (tdep, regnum))
492 regnum -= tdep->gpr_full_regnum;
493 val = extract_unsigned_integer (buf, regsize, byte_order);
494 regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum,
496 regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
501 if (regnum_is_vxr_full (tdep, regnum))
503 regnum -= tdep->v0_full_regnum;
504 regcache_raw_write (regcache, S390_F0_REGNUM + regnum, buf);
505 regcache_raw_write (regcache, S390_V0_LOWER_REGNUM + regnum, buf + 8);
509 internal_error (__FILE__, __LINE__, _("invalid regnum"));
512 /* 'float' values are stored in the upper half of floating-point
513 registers, even though we are otherwise a big-endian platform. The
514 same applies to a 'float' value within a vector. */
516 static struct value *
517 s390_value_from_register (struct gdbarch *gdbarch, struct type *type,
518 int regnum, struct frame_id frame_id)
520 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
521 struct value *value = default_value_from_register (gdbarch, type,
523 check_typedef (type);
525 if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM
526 && TYPE_LENGTH (type) < 8)
527 || regnum_is_vxr_full (tdep, regnum)
528 || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM))
529 set_value_offset (value, 0);
534 /* Register groups. */
537 s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
538 struct reggroup *group)
540 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
542 /* We usually save/restore the whole PSW, which includes PC and CC.
543 However, some older gdbservers may not support saving/restoring
544 the whole PSW yet, and will return an XML register description
545 excluding those from the save/restore register groups. In those
546 cases, we still need to explicitly save/restore PC and CC in order
547 to push or pop frames. Since this doesn't hurt anything if we
548 already save/restore the whole PSW (it's just redundant), we add
549 PC and CC at this point unconditionally. */
550 if (group == save_reggroup || group == restore_reggroup)
551 return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum;
553 if (group == vector_reggroup)
554 return regnum_is_vxr_full (tdep, regnum);
556 if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum))
559 return default_register_reggroup_p (gdbarch, regnum, group);
563 /* A helper for s390_software_single_step, decides if an instruction
564 is a partial-execution instruction that needs to be executed until
565 completion when in record mode. If it is, returns 1 and writes
566 instruction length to a pointer. */
569 s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len)
571 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
574 insn = read_memory_integer (loc, 2, byte_order);
578 case 0xa8: /* MVCLE */
584 insn = read_memory_integer (loc + 4, 2, byte_order);
585 if ((insn & 0xff) == 0x8e)
597 case 0xb255: /* MVST */
598 case 0xb263: /* CMPSC */
599 case 0xb2a5: /* TRE */
600 case 0xb2a6: /* CU21 */
601 case 0xb2a7: /* CU12 */
602 case 0xb9b0: /* CU14 */
603 case 0xb9b1: /* CU24 */
604 case 0xb9b2: /* CU41 */
605 case 0xb9b3: /* CU42 */
606 case 0xb92a: /* KMF */
607 case 0xb92b: /* KMO */
608 case 0xb92f: /* KMC */
609 case 0xb92d: /* KMCTR */
610 case 0xb92e: /* KM */
611 case 0xb93c: /* PPNO */
612 case 0xb990: /* TRTT */
613 case 0xb991: /* TRTO */
614 case 0xb992: /* TROT */
615 case 0xb993: /* TROO */
623 /* Implement the "software_single_step" gdbarch method, needed to single step
624 through instructions like MVCLE in record mode, to make sure they are
625 executed to completion. Without that, record will save the full length
626 of destination buffer on every iteration, even though the CPU will only
627 process about 4kiB of it each time, leading to O(n**2) memory and time
631 s390_software_single_step (struct frame_info *frame)
633 struct gdbarch *gdbarch = get_frame_arch (frame);
634 struct address_space *aspace = get_frame_address_space (frame);
635 CORE_ADDR loc = get_frame_pc (frame);
636 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
640 /* Special handling only if recording. */
641 if (!record_full_is_used ())
644 /* First, match a partial instruction. */
645 if (!s390_is_partial_instruction (gdbarch, loc, &len))
650 /* Second, look for a branch back to it. */
651 insn = read_memory_integer (loc, 2, byte_order);
652 if (insn != 0xa714) /* BRC with mask 1 */
655 insn = read_memory_integer (loc + 2, 2, byte_order);
656 if (insn != (uint16_t) -(len / 2))
661 /* Found it, step past the whole thing. */
663 insert_single_step_breakpoint (gdbarch, aspace, loc);
669 s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
670 struct displaced_step_closure *closure)
676 /* Maps for register sets. */
678 static const struct regcache_map_entry s390_gregmap[] =
680 { 1, S390_PSWM_REGNUM },
681 { 1, S390_PSWA_REGNUM },
682 { 16, S390_R0_REGNUM },
683 { 16, S390_A0_REGNUM },
684 { 1, S390_ORIG_R2_REGNUM },
688 static const struct regcache_map_entry s390_fpregmap[] =
690 { 1, S390_FPC_REGNUM, 8 },
691 { 16, S390_F0_REGNUM, 8 },
695 static const struct regcache_map_entry s390_regmap_upper[] =
697 { 16, S390_R0_UPPER_REGNUM, 4 },
701 static const struct regcache_map_entry s390_regmap_last_break[] =
703 { 1, REGCACHE_MAP_SKIP, 4 },
704 { 1, S390_LAST_BREAK_REGNUM, 4 },
708 static const struct regcache_map_entry s390x_regmap_last_break[] =
710 { 1, S390_LAST_BREAK_REGNUM, 8 },
714 static const struct regcache_map_entry s390_regmap_system_call[] =
716 { 1, S390_SYSTEM_CALL_REGNUM, 4 },
720 static const struct regcache_map_entry s390_regmap_tdb[] =
722 { 1, S390_TDB_DWORD0_REGNUM, 8 },
723 { 1, S390_TDB_ABORT_CODE_REGNUM, 8 },
724 { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 },
725 { 1, S390_TDB_ATIA_REGNUM, 8 },
726 { 12, REGCACHE_MAP_SKIP, 8 },
727 { 16, S390_TDB_R0_REGNUM, 8 },
731 static const struct regcache_map_entry s390_regmap_vxrs_low[] =
733 { 16, S390_V0_LOWER_REGNUM, 8 },
737 static const struct regcache_map_entry s390_regmap_vxrs_high[] =
739 { 16, S390_V16_REGNUM, 16 },
744 /* Supply the TDB regset. Like regcache_supply_regset, but invalidate
745 the TDB registers unless the TDB format field is valid. */
748 s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache,
749 int regnum, const void *regs, size_t len)
752 enum register_status ret;
755 regcache_supply_regset (regset, regcache, regnum, regs, len);
756 ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw);
757 if (ret != REG_VALID || (tdw >> 56) != 1)
758 regcache_supply_regset (regset, regcache, regnum, NULL, len);
761 const struct regset s390_gregset = {
763 regcache_supply_regset,
764 regcache_collect_regset
767 const struct regset s390_fpregset = {
769 regcache_supply_regset,
770 regcache_collect_regset
773 static const struct regset s390_upper_regset = {
775 regcache_supply_regset,
776 regcache_collect_regset
779 const struct regset s390_last_break_regset = {
780 s390_regmap_last_break,
781 regcache_supply_regset,
782 regcache_collect_regset
785 const struct regset s390x_last_break_regset = {
786 s390x_regmap_last_break,
787 regcache_supply_regset,
788 regcache_collect_regset
791 const struct regset s390_system_call_regset = {
792 s390_regmap_system_call,
793 regcache_supply_regset,
794 regcache_collect_regset
797 const struct regset s390_tdb_regset = {
799 s390_supply_tdb_regset,
800 regcache_collect_regset
803 const struct regset s390_vxrs_low_regset = {
804 s390_regmap_vxrs_low,
805 regcache_supply_regset,
806 regcache_collect_regset
809 const struct regset s390_vxrs_high_regset = {
810 s390_regmap_vxrs_high,
811 regcache_supply_regset,
812 regcache_collect_regset
815 /* Iterate over supported core file register note sections. */
818 s390_iterate_over_regset_sections (struct gdbarch *gdbarch,
819 iterate_over_regset_sections_cb *cb,
821 const struct regcache *regcache)
823 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
824 const int gregset_size = (tdep->abi == ABI_LINUX_S390 ?
825 s390_sizeof_gregset : s390x_sizeof_gregset);
827 cb (".reg", gregset_size, &s390_gregset, NULL, cb_data);
828 cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data);
830 if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1)
831 cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset,
832 "s390 GPR upper halves", cb_data);
834 if (tdep->have_linux_v1)
835 cb (".reg-s390-last-break", 8,
836 (gdbarch_ptr_bit (gdbarch) == 32
837 ? &s390_last_break_regset : &s390x_last_break_regset),
838 "s930 last-break address", cb_data);
840 if (tdep->have_linux_v2)
841 cb (".reg-s390-system-call", 4, &s390_system_call_regset,
842 "s390 system-call", cb_data);
844 /* If regcache is set, we are in "write" (gcore) mode. In this
845 case, don't iterate over the TDB unless its registers are
849 || REG_VALID == regcache_register_status (regcache,
850 S390_TDB_DWORD0_REGNUM)))
851 cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset,
852 "s390 TDB", cb_data);
854 if (tdep->v0_full_regnum != -1)
856 cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset,
857 "s390 vector registers 0-15 lower half", cb_data);
858 cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset,
859 "s390 vector registers 16-31", cb_data);
863 static const struct target_desc *
864 s390_core_read_description (struct gdbarch *gdbarch,
865 struct target_ops *target, bfd *abfd)
867 asection *section = bfd_get_section_by_name (abfd, ".reg");
869 int high_gprs, v1, v2, te, vx;
871 target_auxv_search (target, AT_HWCAP, &hwcap);
875 high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs")
877 v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL);
878 v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL);
879 vx = (hwcap & HWCAP_S390_VX);
880 te = (hwcap & HWCAP_S390_TE);
882 switch (bfd_section_size (abfd, section))
884 case s390_sizeof_gregset:
886 return (te && vx ? tdesc_s390_tevx_linux64 :
887 vx ? tdesc_s390_vx_linux64 :
888 te ? tdesc_s390_te_linux64 :
889 v2 ? tdesc_s390_linux64v2 :
890 v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64);
892 return (v2 ? tdesc_s390_linux32v2 :
893 v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32);
895 case s390x_sizeof_gregset:
896 return (te && vx ? tdesc_s390x_tevx_linux64 :
897 vx ? tdesc_s390x_vx_linux64 :
898 te ? tdesc_s390x_te_linux64 :
899 v2 ? tdesc_s390x_linux64v2 :
900 v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64);
908 /* Decoding S/390 instructions. */
910 /* Named opcode values for the S/390 instructions we recognize. Some
911 instructions have their opcode split across two fields; those are the
912 op1_* and op2_* enums. */
915 op1_lhi = 0xa7, op2_lhi = 0x08,
916 op1_lghi = 0xa7, op2_lghi = 0x09,
917 op1_lgfi = 0xc0, op2_lgfi = 0x01,
921 op1_ly = 0xe3, op2_ly = 0x58,
922 op1_lg = 0xe3, op2_lg = 0x04,
924 op1_lmy = 0xeb, op2_lmy = 0x98,
925 op1_lmg = 0xeb, op2_lmg = 0x04,
927 op1_sty = 0xe3, op2_sty = 0x50,
928 op1_stg = 0xe3, op2_stg = 0x24,
931 op1_stmy = 0xeb, op2_stmy = 0x90,
932 op1_stmg = 0xeb, op2_stmg = 0x24,
933 op1_aghi = 0xa7, op2_aghi = 0x0b,
934 op1_ahi = 0xa7, op2_ahi = 0x0a,
935 op1_agfi = 0xc2, op2_agfi = 0x08,
936 op1_afi = 0xc2, op2_afi = 0x09,
937 op1_algfi= 0xc2, op2_algfi= 0x0a,
938 op1_alfi = 0xc2, op2_alfi = 0x0b,
942 op1_ay = 0xe3, op2_ay = 0x5a,
943 op1_ag = 0xe3, op2_ag = 0x08,
944 op1_slgfi= 0xc2, op2_slgfi= 0x04,
945 op1_slfi = 0xc2, op2_slfi = 0x05,
949 op1_sy = 0xe3, op2_sy = 0x5b,
950 op1_sg = 0xe3, op2_sg = 0x09,
954 op1_lay = 0xe3, op2_lay = 0x71,
955 op1_larl = 0xc0, op2_larl = 0x00,
963 op1_bctg = 0xe3, op2_bctg = 0x46,
965 op1_bxhg = 0xeb, op2_bxhg = 0x44,
967 op1_bxleg= 0xeb, op2_bxleg= 0x45,
968 op1_bras = 0xa7, op2_bras = 0x05,
969 op1_brasl= 0xc0, op2_brasl= 0x05,
970 op1_brc = 0xa7, op2_brc = 0x04,
971 op1_brcl = 0xc0, op2_brcl = 0x04,
972 op1_brct = 0xa7, op2_brct = 0x06,
973 op1_brctg= 0xa7, op2_brctg= 0x07,
975 op1_brxhg= 0xec, op2_brxhg= 0x44,
977 op1_brxlg= 0xec, op2_brxlg= 0x45,
982 /* Read a single instruction from address AT. */
984 #define S390_MAX_INSTR_SIZE 6
986 s390_readinstruction (bfd_byte instr[], CORE_ADDR at)
988 static int s390_instrlen[] = { 2, 4, 4, 6 };
991 if (target_read_memory (at, &instr[0], 2))
993 instrlen = s390_instrlen[instr[0] >> 6];
996 if (target_read_memory (at + 2, &instr[2], instrlen - 2))
1003 /* The functions below are for recognizing and decoding S/390
1004 instructions of various formats. Each of them checks whether INSN
1005 is an instruction of the given format, with the specified opcodes.
1006 If it is, it sets the remaining arguments to the values of the
1007 instruction's fields, and returns a non-zero value; otherwise, it
1010 These functions' arguments appear in the order they appear in the
1011 instruction, not in the machine-language form. So, opcodes always
1012 come first, even though they're sometimes scattered around the
1013 instructions. And displacements appear before base and extension
1014 registers, as they do in the assembly syntax, not at the end, as
1015 they do in the machine language. */
1017 is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2)
1019 if (insn[0] == op1 && (insn[1] & 0xf) == op2)
1021 *r1 = (insn[1] >> 4) & 0xf;
1022 /* i2 is a 16-bit signed quantity. */
1023 *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000;
1032 is_ril (bfd_byte *insn, int op1, int op2,
1033 unsigned int *r1, int *i2)
1035 if (insn[0] == op1 && (insn[1] & 0xf) == op2)
1037 *r1 = (insn[1] >> 4) & 0xf;
1038 /* i2 is a signed quantity. If the host 'int' is 32 bits long,
1039 no sign extension is necessary, but we don't want to assume
1041 *i2 = (((insn[2] << 24)
1044 | (insn[5])) ^ 0x80000000) - 0x80000000;
1053 is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
1057 *r1 = (insn[1] >> 4) & 0xf;
1058 *r2 = insn[1] & 0xf;
1067 is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
1069 if (((insn[0] << 8) | insn[1]) == op)
1071 /* Yes, insn[3]. insn[2] is unused in RRE format. */
1072 *r1 = (insn[3] >> 4) & 0xf;
1073 *r2 = insn[3] & 0xf;
1082 is_rs (bfd_byte *insn, int op,
1083 unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
1087 *r1 = (insn[1] >> 4) & 0xf;
1088 *r3 = insn[1] & 0xf;
1089 *b2 = (insn[2] >> 4) & 0xf;
1090 *d2 = ((insn[2] & 0xf) << 8) | insn[3];
1099 is_rsy (bfd_byte *insn, int op1, int op2,
1100 unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
1105 *r1 = (insn[1] >> 4) & 0xf;
1106 *r3 = insn[1] & 0xf;
1107 *b2 = (insn[2] >> 4) & 0xf;
1108 /* The 'long displacement' is a 20-bit signed integer. */
1109 *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
1110 ^ 0x80000) - 0x80000;
1119 is_rsi (bfd_byte *insn, int op,
1120 unsigned int *r1, unsigned int *r3, int *i2)
1124 *r1 = (insn[1] >> 4) & 0xf;
1125 *r3 = insn[1] & 0xf;
1126 /* i2 is a 16-bit signed quantity. */
1127 *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000;
1136 is_rie (bfd_byte *insn, int op1, int op2,
1137 unsigned int *r1, unsigned int *r3, int *i2)
1142 *r1 = (insn[1] >> 4) & 0xf;
1143 *r3 = insn[1] & 0xf;
1144 /* i2 is a 16-bit signed quantity. */
1145 *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000;
1154 is_rx (bfd_byte *insn, int op,
1155 unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
1159 *r1 = (insn[1] >> 4) & 0xf;
1160 *x2 = insn[1] & 0xf;
1161 *b2 = (insn[2] >> 4) & 0xf;
1162 *d2 = ((insn[2] & 0xf) << 8) | insn[3];
1171 is_rxy (bfd_byte *insn, int op1, int op2,
1172 unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
1177 *r1 = (insn[1] >> 4) & 0xf;
1178 *x2 = insn[1] & 0xf;
1179 *b2 = (insn[2] >> 4) & 0xf;
1180 /* The 'long displacement' is a 20-bit signed integer. */
1181 *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
1182 ^ 0x80000) - 0x80000;
1190 /* Prologue analysis. */
1192 #define S390_NUM_GPRS 16
1193 #define S390_NUM_FPRS 16
1195 struct s390_prologue_data {
1198 struct pv_area *stack;
1200 /* The size and byte-order of a GPR or FPR. */
1203 enum bfd_endian byte_order;
1205 /* The general-purpose registers. */
1206 pv_t gpr[S390_NUM_GPRS];
1208 /* The floating-point registers. */
1209 pv_t fpr[S390_NUM_FPRS];
1211 /* The offset relative to the CFA where the incoming GPR N was saved
1212 by the function prologue. 0 if not saved or unknown. */
1213 int gpr_slot[S390_NUM_GPRS];
1215 /* Likewise for FPRs. */
1216 int fpr_slot[S390_NUM_FPRS];
1218 /* Nonzero if the backchain was saved. This is assumed to be the
1219 case when the incoming SP is saved at the current SP location. */
1220 int back_chain_saved_p;
1223 /* Return the effective address for an X-style instruction, like:
1227 Here, X2 and B2 are registers, and D2 is a signed 20-bit
1228 constant; the effective address is the sum of all three. If either
1229 X2 or B2 are zero, then it doesn't contribute to the sum --- this
1230 means that r0 can't be used as either X2 or B2. */
1232 s390_addr (struct s390_prologue_data *data,
1233 int d2, unsigned int x2, unsigned int b2)
1237 result = pv_constant (d2);
1239 result = pv_add (result, data->gpr[x2]);
1241 result = pv_add (result, data->gpr[b2]);
1246 /* Do a SIZE-byte store of VALUE to D2(X2,B2). */
1248 s390_store (struct s390_prologue_data *data,
1249 int d2, unsigned int x2, unsigned int b2, CORE_ADDR size,
1252 pv_t addr = s390_addr (data, d2, x2, b2);
1255 /* Check whether we are storing the backchain. */
1256 offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr);
1258 if (pv_is_constant (offset) && offset.k == 0)
1259 if (size == data->gpr_size
1260 && pv_is_register_k (value, S390_SP_REGNUM, 0))
1262 data->back_chain_saved_p = 1;
1267 /* Check whether we are storing a register into the stack. */
1268 if (!pv_area_store_would_trash (data->stack, addr))
1269 pv_area_store (data->stack, addr, size, value);
1272 /* Note: If this is some store we cannot identify, you might think we
1273 should forget our cached values, as any of those might have been hit.
1275 However, we make the assumption that the register save areas are only
1276 ever stored to once in any given function, and we do recognize these
1277 stores. Thus every store we cannot recognize does not hit our data. */
1280 /* Do a SIZE-byte load from D2(X2,B2). */
1282 s390_load (struct s390_prologue_data *data,
1283 int d2, unsigned int x2, unsigned int b2, CORE_ADDR size)
1286 pv_t addr = s390_addr (data, d2, x2, b2);
1288 /* If it's a load from an in-line constant pool, then we can
1289 simulate that, under the assumption that the code isn't
1290 going to change between the time the processor actually
1291 executed it creating the current frame, and the time when
1292 we're analyzing the code to unwind past that frame. */
1293 if (pv_is_constant (addr))
1295 struct target_section *secp;
1296 secp = target_section_by_addr (¤t_target, addr.k);
1298 && (bfd_get_section_flags (secp->the_bfd_section->owner,
1299 secp->the_bfd_section)
1301 return pv_constant (read_memory_integer (addr.k, size,
1305 /* Check whether we are accessing one of our save slots. */
1306 return pv_area_fetch (data->stack, addr, size);
1309 /* Function for finding saved registers in a 'struct pv_area'; we pass
1310 this to pv_area_scan.
1312 If VALUE is a saved register, ADDR says it was saved at a constant
1313 offset from the frame base, and SIZE indicates that the whole
1314 register was saved, record its offset in the reg_offset table in
1315 PROLOGUE_UNTYPED. */
1317 s390_check_for_saved (void *data_untyped, pv_t addr,
1318 CORE_ADDR size, pv_t value)
1320 struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped;
1323 if (!pv_is_register (addr, S390_SP_REGNUM))
1326 offset = 16 * data->gpr_size + 32 - addr.k;
1328 /* If we are storing the original value of a register, we want to
1329 record the CFA offset. If the same register is stored multiple
1330 times, the stack slot with the highest address counts. */
1332 for (i = 0; i < S390_NUM_GPRS; i++)
1333 if (size == data->gpr_size
1334 && pv_is_register_k (value, S390_R0_REGNUM + i, 0))
1335 if (data->gpr_slot[i] == 0
1336 || data->gpr_slot[i] > offset)
1338 data->gpr_slot[i] = offset;
1342 for (i = 0; i < S390_NUM_FPRS; i++)
1343 if (size == data->fpr_size
1344 && pv_is_register_k (value, S390_F0_REGNUM + i, 0))
1345 if (data->fpr_slot[i] == 0
1346 || data->fpr_slot[i] > offset)
1348 data->fpr_slot[i] = offset;
1353 /* Analyze the prologue of the function starting at START_PC,
1354 continuing at most until CURRENT_PC. Initialize DATA to
1355 hold all information we find out about the state of the registers
1356 and stack slots. Return the address of the instruction after
1357 the last one that changed the SP, FP, or back chain; or zero
1360 s390_analyze_prologue (struct gdbarch *gdbarch,
1362 CORE_ADDR current_pc,
1363 struct s390_prologue_data *data)
1365 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
1367 /* Our return value:
1368 The address of the instruction after the last one that changed
1369 the SP, FP, or back chain; zero if we got an error trying to
1371 CORE_ADDR result = start_pc;
1373 /* The current PC for our abstract interpretation. */
1376 /* The address of the next instruction after that. */
1379 /* Set up everything's initial value. */
1383 data->stack = make_pv_area (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch));
1385 /* For the purpose of prologue tracking, we consider the GPR size to
1386 be equal to the ABI word size, even if it is actually larger
1387 (i.e. when running a 32-bit binary under a 64-bit kernel). */
1388 data->gpr_size = word_size;
1390 data->byte_order = gdbarch_byte_order (gdbarch);
1392 for (i = 0; i < S390_NUM_GPRS; i++)
1393 data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0);
1395 for (i = 0; i < S390_NUM_FPRS; i++)
1396 data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0);
1398 for (i = 0; i < S390_NUM_GPRS; i++)
1399 data->gpr_slot[i] = 0;
1401 for (i = 0; i < S390_NUM_FPRS; i++)
1402 data->fpr_slot[i] = 0;
1404 data->back_chain_saved_p = 0;
1407 /* Start interpreting instructions, until we hit the frame's
1408 current PC or the first branch instruction. */
1409 for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc)
1411 bfd_byte insn[S390_MAX_INSTR_SIZE];
1412 int insn_len = s390_readinstruction (insn, pc);
1414 bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 };
1415 bfd_byte *insn32 = word_size == 4 ? insn : dummy;
1416 bfd_byte *insn64 = word_size == 8 ? insn : dummy;
1418 /* Fields for various kinds of instructions. */
1419 unsigned int b2, r1, r2, x2, r3;
1422 /* The values of SP and FP before this instruction,
1423 for detecting instructions that change them. */
1424 pv_t pre_insn_sp, pre_insn_fp;
1425 /* Likewise for the flag whether the back chain was saved. */
1426 int pre_insn_back_chain_saved_p;
1428 /* If we got an error trying to read the instruction, report it. */
1435 next_pc = pc + insn_len;
1437 pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
1438 pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
1439 pre_insn_back_chain_saved_p = data->back_chain_saved_p;
1442 /* LHI r1, i2 --- load halfword immediate. */
1443 /* LGHI r1, i2 --- load halfword immediate (64-bit version). */
1444 /* LGFI r1, i2 --- load fullword immediate. */
1445 if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2)
1446 || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2)
1447 || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2))
1448 data->gpr[r1] = pv_constant (i2);
1450 /* LR r1, r2 --- load from register. */
1451 /* LGR r1, r2 --- load from register (64-bit version). */
1452 else if (is_rr (insn32, op_lr, &r1, &r2)
1453 || is_rre (insn64, op_lgr, &r1, &r2))
1454 data->gpr[r1] = data->gpr[r2];
1456 /* L r1, d2(x2, b2) --- load. */
1457 /* LY r1, d2(x2, b2) --- load (long-displacement version). */
1458 /* LG r1, d2(x2, b2) --- load (64-bit version). */
1459 else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2)
1460 || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2)
1461 || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2))
1462 data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size);
1464 /* ST r1, d2(x2, b2) --- store. */
1465 /* STY r1, d2(x2, b2) --- store (long-displacement version). */
1466 /* STG r1, d2(x2, b2) --- store (64-bit version). */
1467 else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2)
1468 || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2)
1469 || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2))
1470 s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]);
1472 /* STD r1, d2(x2,b2) --- store floating-point register. */
1473 else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2))
1474 s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]);
1476 /* STM r1, r3, d2(b2) --- store multiple. */
1477 /* STMY r1, r3, d2(b2) --- store multiple (long-displacement
1479 /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */
1480 else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2)
1481 || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2)
1482 || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2))
1484 for (; r1 <= r3; r1++, d2 += data->gpr_size)
1485 s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]);
1488 /* AHI r1, i2 --- add halfword immediate. */
1489 /* AGHI r1, i2 --- add halfword immediate (64-bit version). */
1490 /* AFI r1, i2 --- add fullword immediate. */
1491 /* AGFI r1, i2 --- add fullword immediate (64-bit version). */
1492 else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2)
1493 || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2)
1494 || is_ril (insn32, op1_afi, op2_afi, &r1, &i2)
1495 || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2))
1496 data->gpr[r1] = pv_add_constant (data->gpr[r1], i2);
1498 /* ALFI r1, i2 --- add logical immediate. */
1499 /* ALGFI r1, i2 --- add logical immediate (64-bit version). */
1500 else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2)
1501 || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2))
1502 data->gpr[r1] = pv_add_constant (data->gpr[r1],
1503 (CORE_ADDR)i2 & 0xffffffff);
1505 /* AR r1, r2 -- add register. */
1506 /* AGR r1, r2 -- add register (64-bit version). */
1507 else if (is_rr (insn32, op_ar, &r1, &r2)
1508 || is_rre (insn64, op_agr, &r1, &r2))
1509 data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]);
1511 /* A r1, d2(x2, b2) -- add. */
1512 /* AY r1, d2(x2, b2) -- add (long-displacement version). */
1513 /* AG r1, d2(x2, b2) -- add (64-bit version). */
1514 else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2)
1515 || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2)
1516 || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2))
1517 data->gpr[r1] = pv_add (data->gpr[r1],
1518 s390_load (data, d2, x2, b2, data->gpr_size));
1520 /* SLFI r1, i2 --- subtract logical immediate. */
1521 /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */
1522 else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2)
1523 || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2))
1524 data->gpr[r1] = pv_add_constant (data->gpr[r1],
1525 -((CORE_ADDR)i2 & 0xffffffff));
1527 /* SR r1, r2 -- subtract register. */
1528 /* SGR r1, r2 -- subtract register (64-bit version). */
1529 else if (is_rr (insn32, op_sr, &r1, &r2)
1530 || is_rre (insn64, op_sgr, &r1, &r2))
1531 data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]);
1533 /* S r1, d2(x2, b2) -- subtract. */
1534 /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */
1535 /* SG r1, d2(x2, b2) -- subtract (64-bit version). */
1536 else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2)
1537 || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2)
1538 || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2))
1539 data->gpr[r1] = pv_subtract (data->gpr[r1],
1540 s390_load (data, d2, x2, b2, data->gpr_size));
1542 /* LA r1, d2(x2, b2) --- load address. */
1543 /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */
1544 else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2)
1545 || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2))
1546 data->gpr[r1] = s390_addr (data, d2, x2, b2);
1548 /* LARL r1, i2 --- load address relative long. */
1549 else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
1550 data->gpr[r1] = pv_constant (pc + i2 * 2);
1552 /* BASR r1, 0 --- branch and save.
1553 Since r2 is zero, this saves the PC in r1, but doesn't branch. */
1554 else if (is_rr (insn, op_basr, &r1, &r2)
1556 data->gpr[r1] = pv_constant (next_pc);
1558 /* BRAS r1, i2 --- branch relative and save. */
1559 else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2))
1561 data->gpr[r1] = pv_constant (next_pc);
1562 next_pc = pc + i2 * 2;
1564 /* We'd better not interpret any backward branches. We'll
1570 /* Terminate search when hitting any other branch instruction. */
1571 else if (is_rr (insn, op_basr, &r1, &r2)
1572 || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)
1573 || is_rr (insn, op_bcr, &r1, &r2)
1574 || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
1575 || is_ri (insn, op1_brc, op2_brc, &r1, &i2)
1576 || is_ril (insn, op1_brcl, op2_brcl, &r1, &i2)
1577 || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2))
1582 /* An instruction we don't know how to simulate. The only
1583 safe thing to do would be to set every value we're tracking
1584 to 'unknown'. Instead, we'll be optimistic: we assume that
1585 we *can* interpret every instruction that the compiler uses
1586 to manipulate any of the data we're interested in here --
1587 then we can just ignore anything else. */
1590 /* Record the address after the last instruction that changed
1591 the FP, SP, or backlink. Ignore instructions that changed
1592 them back to their original values --- those are probably
1593 restore instructions. (The back chain is never restored,
1596 pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
1597 pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
1599 if ((! pv_is_identical (pre_insn_sp, sp)
1600 && ! pv_is_register_k (sp, S390_SP_REGNUM, 0)
1601 && sp.kind != pvk_unknown)
1602 || (! pv_is_identical (pre_insn_fp, fp)
1603 && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0)
1604 && fp.kind != pvk_unknown)
1605 || pre_insn_back_chain_saved_p != data->back_chain_saved_p)
1610 /* Record where all the registers were saved. */
1611 pv_area_scan (data->stack, s390_check_for_saved, data);
1613 free_pv_area (data->stack);
1619 /* Advance PC across any function entry prologue instructions to reach
1620 some "real" code. */
1622 s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
1624 struct s390_prologue_data data;
1625 CORE_ADDR skip_pc, func_addr;
1627 if (find_pc_partial_function (pc, NULL, &func_addr, NULL))
1629 CORE_ADDR post_prologue_pc
1630 = skip_prologue_using_sal (gdbarch, func_addr);
1631 if (post_prologue_pc != 0)
1632 return max (pc, post_prologue_pc);
1635 skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data);
1636 return skip_pc ? skip_pc : pc;
1639 /* Implmement the stack_frame_destroyed_p gdbarch method. */
1641 s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
1643 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
1645 /* In frameless functions, there's not frame to destroy and thus
1646 we don't care about the epilogue.
1648 In functions with frame, the epilogue sequence is a pair of
1649 a LM-type instruction that restores (amongst others) the
1650 return register %r14 and the stack pointer %r15, followed
1651 by a branch 'br %r14' --or equivalent-- that effects the
1654 In that situation, this function needs to return 'true' in
1655 exactly one case: when pc points to that branch instruction.
1657 Thus we try to disassemble the one instructions immediately
1658 preceding pc and check whether it is an LM-type instruction
1659 modifying the stack pointer.
1661 Note that disassembling backwards is not reliable, so there
1662 is a slight chance of false positives here ... */
1665 unsigned int r1, r3, b2;
1669 && !target_read_memory (pc - 4, insn, 4)
1670 && is_rs (insn, op_lm, &r1, &r3, &d2, &b2)
1671 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1675 && !target_read_memory (pc - 6, insn, 6)
1676 && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2)
1677 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1681 && !target_read_memory (pc - 6, insn, 6)
1682 && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2)
1683 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1689 /* Displaced stepping. */
1691 /* Return true if INSN is a non-branch RIL-b or RIL-c format
1695 is_non_branch_ril (gdb_byte *insn)
1697 gdb_byte op1 = insn[0];
1701 gdb_byte op2 = insn[1] & 0x0f;
1705 case 0x02: /* llhrl */
1706 case 0x04: /* lghrl */
1707 case 0x05: /* lhrl */
1708 case 0x06: /* llghrl */
1709 case 0x07: /* sthrl */
1710 case 0x08: /* lgrl */
1711 case 0x0b: /* stgrl */
1712 case 0x0c: /* lgfrl */
1713 case 0x0d: /* lrl */
1714 case 0x0e: /* llgfrl */
1715 case 0x0f: /* strl */
1719 else if (op1 == 0xc6)
1721 gdb_byte op2 = insn[1] & 0x0f;
1725 case 0x00: /* exrl */
1726 case 0x02: /* pfdrl */
1727 case 0x04: /* cghrl */
1728 case 0x05: /* chrl */
1729 case 0x06: /* clghrl */
1730 case 0x07: /* clhrl */
1731 case 0x08: /* cgrl */
1732 case 0x0a: /* clgrl */
1733 case 0x0c: /* cgfrl */
1734 case 0x0d: /* crl */
1735 case 0x0e: /* clgfrl */
1736 case 0x0f: /* clrl */
1744 /* Implementation of gdbarch_displaced_step_copy_insn. */
1746 static struct displaced_step_closure *
1747 s390_displaced_step_copy_insn (struct gdbarch *gdbarch,
1748 CORE_ADDR from, CORE_ADDR to,
1749 struct regcache *regs)
1751 size_t len = gdbarch_max_insn_length (gdbarch);
1752 gdb_byte *buf = (gdb_byte *) xmalloc (len);
1753 struct cleanup *old_chain = make_cleanup (xfree, buf);
1755 read_memory (from, buf, len);
1757 /* Adjust the displacement field of PC-relative RIL instructions,
1758 except branches. The latter are handled in the fixup hook. */
1759 if (is_non_branch_ril (buf))
1763 offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG);
1764 offset = (from - to + offset * 2) / 2;
1766 /* If the instruction is too far from the jump pad, punt. This
1767 will usually happen with instructions in shared libraries.
1768 We could probably support these by rewriting them to be
1769 absolute or fully emulating them. */
1770 if (offset < INT32_MIN || offset > INT32_MAX)
1772 /* Let the core fall back to stepping over the breakpoint
1774 if (debug_displaced)
1776 fprintf_unfiltered (gdb_stdlog,
1777 "displaced: can't displaced step "
1778 "RIL instruction: offset %s out of range\n",
1781 do_cleanups (old_chain);
1785 store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset);
1788 write_memory (to, buf, len);
1790 if (debug_displaced)
1792 fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ",
1793 paddress (gdbarch, from), paddress (gdbarch, to));
1794 displaced_step_dump_bytes (gdb_stdlog, buf, len);
1797 discard_cleanups (old_chain);
1798 return (struct displaced_step_closure *) buf;
1801 /* Fix up the state of registers and memory after having single-stepped
1802 a displaced instruction. */
1804 s390_displaced_step_fixup (struct gdbarch *gdbarch,
1805 struct displaced_step_closure *closure,
1806 CORE_ADDR from, CORE_ADDR to,
1807 struct regcache *regs)
1809 /* Our closure is a copy of the instruction. */
1810 gdb_byte *insn = (gdb_byte *) closure;
1811 static int s390_instrlen[] = { 2, 4, 4, 6 };
1812 int insnlen = s390_instrlen[insn[0] >> 6];
1814 /* Fields for various kinds of instructions. */
1815 unsigned int b2, r1, r2, x2, r3;
1818 /* Get current PC and addressing mode bit. */
1819 CORE_ADDR pc = regcache_read_pc (regs);
1822 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
1824 regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode);
1825 amode &= 0x80000000;
1828 if (debug_displaced)
1829 fprintf_unfiltered (gdb_stdlog,
1830 "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n",
1831 paddress (gdbarch, from), paddress (gdbarch, to),
1832 paddress (gdbarch, pc), insnlen, (int) amode);
1834 /* Handle absolute branch and save instructions. */
1835 if (is_rr (insn, op_basr, &r1, &r2)
1836 || is_rx (insn, op_bas, &r1, &d2, &x2, &b2))
1838 /* Recompute saved return address in R1. */
1839 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1840 amode | (from + insnlen));
1843 /* Handle absolute branch instructions. */
1844 else if (is_rr (insn, op_bcr, &r1, &r2)
1845 || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
1846 || is_rr (insn, op_bctr, &r1, &r2)
1847 || is_rre (insn, op_bctgr, &r1, &r2)
1848 || is_rx (insn, op_bct, &r1, &d2, &x2, &b2)
1849 || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2)
1850 || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2)
1851 || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2)
1852 || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2)
1853 || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2))
1855 /* Update PC iff branch was *not* taken. */
1856 if (pc == to + insnlen)
1857 regcache_write_pc (regs, from + insnlen);
1860 /* Handle PC-relative branch and save instructions. */
1861 else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)
1862 || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2))
1865 regcache_write_pc (regs, pc - to + from);
1866 /* Recompute saved return address in R1. */
1867 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1868 amode | (from + insnlen));
1871 /* Handle PC-relative branch instructions. */
1872 else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2)
1873 || is_ril (insn, op1_brcl, op2_brcl, &r1, &i2)
1874 || is_ri (insn, op1_brct, op2_brct, &r1, &i2)
1875 || is_ri (insn, op1_brctg, op2_brctg, &r1, &i2)
1876 || is_rsi (insn, op_brxh, &r1, &r3, &i2)
1877 || is_rie (insn, op1_brxhg, op2_brxhg, &r1, &r3, &i2)
1878 || is_rsi (insn, op_brxle, &r1, &r3, &i2)
1879 || is_rie (insn, op1_brxlg, op2_brxlg, &r1, &r3, &i2))
1882 regcache_write_pc (regs, pc - to + from);
1885 /* Handle LOAD ADDRESS RELATIVE LONG. */
1886 else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
1889 regcache_write_pc (regs, from + insnlen);
1890 /* Recompute output address in R1. */
1891 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1892 amode | (from + i2 * 2));
1895 /* If we executed a breakpoint instruction, point PC right back at it. */
1896 else if (insn[0] == 0x0 && insn[1] == 0x1)
1897 regcache_write_pc (regs, from);
1899 /* For any other insn, PC points right after the original instruction. */
1901 regcache_write_pc (regs, from + insnlen);
1903 if (debug_displaced)
1904 fprintf_unfiltered (gdb_stdlog,
1905 "displaced: (s390) pc is now %s\n",
1906 paddress (gdbarch, regcache_read_pc (regs)));
1910 /* Helper routine to unwind pseudo registers. */
1912 static struct value *
1913 s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum)
1915 struct gdbarch *gdbarch = get_frame_arch (this_frame);
1916 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1917 struct type *type = register_type (gdbarch, regnum);
1919 /* Unwind PC via PSW address. */
1920 if (regnum == tdep->pc_regnum)
1924 val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM);
1925 if (!value_optimized_out (val))
1927 LONGEST pswa = value_as_long (val);
1929 if (TYPE_LENGTH (type) == 4)
1930 return value_from_pointer (type, pswa & 0x7fffffff);
1932 return value_from_pointer (type, pswa);
1936 /* Unwind CC via PSW mask. */
1937 if (regnum == tdep->cc_regnum)
1941 val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM);
1942 if (!value_optimized_out (val))
1944 LONGEST pswm = value_as_long (val);
1946 if (TYPE_LENGTH (type) == 4)
1947 return value_from_longest (type, (pswm >> 12) & 3);
1949 return value_from_longest (type, (pswm >> 44) & 3);
1953 /* Unwind full GPRs to show at least the lower halves (as the
1954 upper halves are undefined). */
1955 if (regnum_is_gpr_full (tdep, regnum))
1957 int reg = regnum - tdep->gpr_full_regnum;
1960 val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg);
1961 if (!value_optimized_out (val))
1962 return value_cast (type, val);
1965 return allocate_optimized_out_value (type);
1968 static struct value *
1969 s390_trad_frame_prev_register (struct frame_info *this_frame,
1970 struct trad_frame_saved_reg saved_regs[],
1973 if (regnum < S390_NUM_REGS)
1974 return trad_frame_get_prev_register (this_frame, saved_regs, regnum);
1976 return s390_unwind_pseudo_register (this_frame, regnum);
1980 /* Normal stack frames. */
1982 struct s390_unwind_cache {
1985 CORE_ADDR frame_base;
1986 CORE_ADDR local_base;
1988 struct trad_frame_saved_reg *saved_regs;
1992 s390_prologue_frame_unwind_cache (struct frame_info *this_frame,
1993 struct s390_unwind_cache *info)
1995 struct gdbarch *gdbarch = get_frame_arch (this_frame);
1996 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
1997 struct s390_prologue_data data;
1998 pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
1999 pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
2008 struct frame_info *next_frame;
2010 /* Try to find the function start address. If we can't find it, we don't
2011 bother searching for it -- with modern compilers this would be mostly
2012 pointless anyway. Trust that we'll either have valid DWARF-2 CFI data
2013 or else a valid backchain ... */
2014 func = get_frame_func (this_frame);
2018 /* Try to analyze the prologue. */
2019 result = s390_analyze_prologue (gdbarch, func,
2020 get_frame_pc (this_frame), &data);
2024 /* If this was successful, we should have found the instruction that
2025 sets the stack pointer register to the previous value of the stack
2026 pointer minus the frame size. */
2027 if (!pv_is_register (*sp, S390_SP_REGNUM))
2030 /* A frame size of zero at this point can mean either a real
2031 frameless function, or else a failure to find the prologue.
2032 Perform some sanity checks to verify we really have a
2033 frameless function. */
2036 /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame
2037 size zero. This is only possible if the next frame is a sentinel
2038 frame, a dummy frame, or a signal trampoline frame. */
2039 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be
2040 needed, instead the code should simpliy rely on its
2042 next_frame = get_next_frame (this_frame);
2043 while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
2044 next_frame = get_next_frame (next_frame);
2046 && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME)
2049 /* If we really have a frameless function, %r14 must be valid
2050 -- in particular, it must point to a different function. */
2051 reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM);
2052 reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1;
2053 if (get_pc_function_start (reg) == func)
2055 /* However, there is one case where it *is* valid for %r14
2056 to point to the same function -- if this is a recursive
2057 call, and we have stopped in the prologue *before* the
2058 stack frame was allocated.
2060 Recognize this case by looking ahead a bit ... */
2062 struct s390_prologue_data data2;
2063 pv_t *sp = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
2065 if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2)
2066 && pv_is_register (*sp, S390_SP_REGNUM)
2073 /* OK, we've found valid prologue data. */
2076 /* If the frame pointer originally also holds the same value
2077 as the stack pointer, we're probably using it. If it holds
2078 some other value -- even a constant offset -- it is most
2079 likely used as temp register. */
2080 if (pv_is_identical (*sp, *fp))
2081 frame_pointer = S390_FRAME_REGNUM;
2083 frame_pointer = S390_SP_REGNUM;
2085 /* If we've detected a function with stack frame, we'll still have to
2086 treat it as frameless if we're currently within the function epilog
2087 code at a point where the frame pointer has already been restored.
2088 This can only happen in an innermost frame. */
2089 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed,
2090 instead the code should simpliy rely on its analysis. */
2091 next_frame = get_next_frame (this_frame);
2092 while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
2093 next_frame = get_next_frame (next_frame);
2095 && (next_frame == NULL
2096 || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME))
2098 /* See the comment in s390_stack_frame_destroyed_p on why this is
2099 not completely reliable ... */
2100 if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame)))
2102 memset (&data, 0, sizeof (data));
2104 frame_pointer = S390_SP_REGNUM;
2108 /* Once we know the frame register and the frame size, we can unwind
2109 the current value of the frame register from the next frame, and
2110 add back the frame size to arrive that the previous frame's
2111 stack pointer value. */
2112 prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size;
2113 cfa = prev_sp + 16*word_size + 32;
2115 /* Set up ABI call-saved/call-clobbered registers. */
2116 for (i = 0; i < S390_NUM_REGS; i++)
2117 if (!s390_register_call_saved (gdbarch, i))
2118 trad_frame_set_unknown (info->saved_regs, i);
2120 /* CC is always call-clobbered. */
2121 trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
2123 /* Record the addresses of all register spill slots the prologue parser
2124 has recognized. Consider only registers defined as call-saved by the
2125 ABI; for call-clobbered registers the parser may have recognized
2128 for (i = 0; i < 16; i++)
2129 if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i)
2130 && data.gpr_slot[i] != 0)
2131 info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i];
2133 for (i = 0; i < 16; i++)
2134 if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i)
2135 && data.fpr_slot[i] != 0)
2136 info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i];
2138 /* Function return will set PC to %r14. */
2139 info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM];
2141 /* In frameless functions, we unwind simply by moving the return
2142 address to the PC. However, if we actually stored to the
2143 save area, use that -- we might only think the function frameless
2144 because we're in the middle of the prologue ... */
2146 && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
2148 info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
2151 /* Another sanity check: unless this is a frameless function,
2152 we should have found spill slots for SP and PC.
2153 If not, we cannot unwind further -- this happens e.g. in
2154 libc's thread_start routine. */
2157 if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM)
2158 || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
2162 /* We use the current value of the frame register as local_base,
2163 and the top of the register save area as frame_base. */
2166 info->frame_base = prev_sp + 16*word_size + 32;
2167 info->local_base = prev_sp - size;
2175 s390_backchain_frame_unwind_cache (struct frame_info *this_frame,
2176 struct s390_unwind_cache *info)
2178 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2179 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2180 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2181 CORE_ADDR backchain;
2186 /* Set up ABI call-saved/call-clobbered registers. */
2187 for (i = 0; i < S390_NUM_REGS; i++)
2188 if (!s390_register_call_saved (gdbarch, i))
2189 trad_frame_set_unknown (info->saved_regs, i);
2191 /* CC is always call-clobbered. */
2192 trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
2194 /* Get the backchain. */
2195 reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2196 if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp))
2198 backchain = (CORE_ADDR) tmp;
2200 /* A zero backchain terminates the frame chain. As additional
2201 sanity check, let's verify that the spill slot for SP in the
2202 save area pointed to by the backchain in fact links back to
2205 && safe_read_memory_integer (backchain + 15*word_size,
2206 word_size, byte_order, &sp)
2207 && (CORE_ADDR)sp == backchain)
2209 /* We don't know which registers were saved, but it will have
2210 to be at least %r14 and %r15. This will allow us to continue
2211 unwinding, but other prev-frame registers may be incorrect ... */
2212 info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size;
2213 info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size;
2215 /* Function return will set PC to %r14. */
2216 info->saved_regs[S390_PSWA_REGNUM]
2217 = info->saved_regs[S390_RETADDR_REGNUM];
2219 /* We use the current value of the frame register as local_base,
2220 and the top of the register save area as frame_base. */
2221 info->frame_base = backchain + 16*word_size + 32;
2222 info->local_base = reg;
2225 info->func = get_frame_pc (this_frame);
2228 static struct s390_unwind_cache *
2229 s390_frame_unwind_cache (struct frame_info *this_frame,
2230 void **this_prologue_cache)
2232 struct s390_unwind_cache *info;
2234 if (*this_prologue_cache)
2235 return (struct s390_unwind_cache *) *this_prologue_cache;
2237 info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache);
2238 *this_prologue_cache = info;
2239 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2241 info->frame_base = -1;
2242 info->local_base = -1;
2246 /* Try to use prologue analysis to fill the unwind cache.
2247 If this fails, fall back to reading the stack backchain. */
2248 if (!s390_prologue_frame_unwind_cache (this_frame, info))
2249 s390_backchain_frame_unwind_cache (this_frame, info);
2251 CATCH (ex, RETURN_MASK_ERROR)
2253 if (ex.error != NOT_AVAILABLE_ERROR)
2254 throw_exception (ex);
2262 s390_frame_this_id (struct frame_info *this_frame,
2263 void **this_prologue_cache,
2264 struct frame_id *this_id)
2266 struct s390_unwind_cache *info
2267 = s390_frame_unwind_cache (this_frame, this_prologue_cache);
2269 if (info->frame_base == -1)
2272 *this_id = frame_id_build (info->frame_base, info->func);
2275 static struct value *
2276 s390_frame_prev_register (struct frame_info *this_frame,
2277 void **this_prologue_cache, int regnum)
2279 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2280 struct s390_unwind_cache *info
2281 = s390_frame_unwind_cache (this_frame, this_prologue_cache);
2283 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2286 static const struct frame_unwind s390_frame_unwind = {
2288 default_frame_unwind_stop_reason,
2290 s390_frame_prev_register,
2292 default_frame_sniffer
2296 /* Code stubs and their stack frames. For things like PLTs and NULL
2297 function calls (where there is no true frame and the return address
2298 is in the RETADDR register). */
2300 struct s390_stub_unwind_cache
2302 CORE_ADDR frame_base;
2303 struct trad_frame_saved_reg *saved_regs;
2306 static struct s390_stub_unwind_cache *
2307 s390_stub_frame_unwind_cache (struct frame_info *this_frame,
2308 void **this_prologue_cache)
2310 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2311 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2312 struct s390_stub_unwind_cache *info;
2315 if (*this_prologue_cache)
2316 return (struct s390_stub_unwind_cache *) *this_prologue_cache;
2318 info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache);
2319 *this_prologue_cache = info;
2320 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2322 /* The return address is in register %r14. */
2323 info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
2325 /* Retrieve stack pointer and determine our frame base. */
2326 reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2327 info->frame_base = reg + 16*word_size + 32;
2333 s390_stub_frame_this_id (struct frame_info *this_frame,
2334 void **this_prologue_cache,
2335 struct frame_id *this_id)
2337 struct s390_stub_unwind_cache *info
2338 = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
2339 *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
2342 static struct value *
2343 s390_stub_frame_prev_register (struct frame_info *this_frame,
2344 void **this_prologue_cache, int regnum)
2346 struct s390_stub_unwind_cache *info
2347 = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
2348 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2352 s390_stub_frame_sniffer (const struct frame_unwind *self,
2353 struct frame_info *this_frame,
2354 void **this_prologue_cache)
2356 CORE_ADDR addr_in_block;
2357 bfd_byte insn[S390_MAX_INSTR_SIZE];
2359 /* If the current PC points to non-readable memory, we assume we
2360 have trapped due to an invalid function pointer call. We handle
2361 the non-existing current function like a PLT stub. */
2362 addr_in_block = get_frame_address_in_block (this_frame);
2363 if (in_plt_section (addr_in_block)
2364 || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0)
2369 static const struct frame_unwind s390_stub_frame_unwind = {
2371 default_frame_unwind_stop_reason,
2372 s390_stub_frame_this_id,
2373 s390_stub_frame_prev_register,
2375 s390_stub_frame_sniffer
2379 /* Signal trampoline stack frames. */
2381 struct s390_sigtramp_unwind_cache {
2382 CORE_ADDR frame_base;
2383 struct trad_frame_saved_reg *saved_regs;
2386 static struct s390_sigtramp_unwind_cache *
2387 s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame,
2388 void **this_prologue_cache)
2390 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2391 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2392 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2393 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2394 struct s390_sigtramp_unwind_cache *info;
2395 ULONGEST this_sp, prev_sp;
2396 CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off;
2399 if (*this_prologue_cache)
2400 return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache;
2402 info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache);
2403 *this_prologue_cache = info;
2404 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2406 this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2407 next_ra = get_frame_pc (this_frame);
2408 next_cfa = this_sp + 16*word_size + 32;
2410 /* New-style RT frame:
2411 retcode + alignment (8 bytes)
2413 ucontext (contains sigregs at offset 5 words). */
2414 if (next_ra == next_cfa)
2416 sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8);
2417 /* sigregs are followed by uc_sigmask (8 bytes), then by the
2418 upper GPR halves if present. */
2419 sigreg_high_off = 8;
2422 /* Old-style RT frame and all non-RT frames:
2423 old signal mask (8 bytes)
2424 pointer to sigregs. */
2427 sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8,
2428 word_size, byte_order);
2429 /* sigregs are followed by signo (4 bytes), then by the
2430 upper GPR halves if present. */
2431 sigreg_high_off = 4;
2434 /* The sigregs structure looks like this:
2443 /* PSW mask and address. */
2444 info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr;
2445 sigreg_ptr += word_size;
2446 info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr;
2447 sigreg_ptr += word_size;
2449 /* Then the GPRs. */
2450 for (i = 0; i < 16; i++)
2452 info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr;
2453 sigreg_ptr += word_size;
2456 /* Then the ACRs. */
2457 for (i = 0; i < 16; i++)
2459 info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr;
2463 /* The floating-point control word. */
2464 info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr;
2467 /* And finally the FPRs. */
2468 for (i = 0; i < 16; i++)
2470 info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr;
2474 /* If we have them, the GPR upper halves are appended at the end. */
2475 sigreg_ptr += sigreg_high_off;
2476 if (tdep->gpr_full_regnum != -1)
2477 for (i = 0; i < 16; i++)
2479 info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr;
2483 /* Restore the previous frame's SP. */
2484 prev_sp = read_memory_unsigned_integer (
2485 info->saved_regs[S390_SP_REGNUM].addr,
2486 word_size, byte_order);
2488 /* Determine our frame base. */
2489 info->frame_base = prev_sp + 16*word_size + 32;
2495 s390_sigtramp_frame_this_id (struct frame_info *this_frame,
2496 void **this_prologue_cache,
2497 struct frame_id *this_id)
2499 struct s390_sigtramp_unwind_cache *info
2500 = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
2501 *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
2504 static struct value *
2505 s390_sigtramp_frame_prev_register (struct frame_info *this_frame,
2506 void **this_prologue_cache, int regnum)
2508 struct s390_sigtramp_unwind_cache *info
2509 = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
2510 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2514 s390_sigtramp_frame_sniffer (const struct frame_unwind *self,
2515 struct frame_info *this_frame,
2516 void **this_prologue_cache)
2518 CORE_ADDR pc = get_frame_pc (this_frame);
2519 bfd_byte sigreturn[2];
2521 if (target_read_memory (pc, sigreturn, 2))
2524 if (sigreturn[0] != op_svc)
2527 if (sigreturn[1] != 119 /* sigreturn */
2528 && sigreturn[1] != 173 /* rt_sigreturn */)
2534 static const struct frame_unwind s390_sigtramp_frame_unwind = {
2536 default_frame_unwind_stop_reason,
2537 s390_sigtramp_frame_this_id,
2538 s390_sigtramp_frame_prev_register,
2540 s390_sigtramp_frame_sniffer
2543 /* Retrieve the syscall number at a ptrace syscall-stop. Return -1
2547 s390_linux_get_syscall_number (struct gdbarch *gdbarch,
2550 struct regcache *regs = get_thread_regcache (ptid);
2551 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2552 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2554 ULONGEST svc_number = -1;
2557 /* Assume that the PC points after the 2-byte SVC instruction. We
2558 don't currently support SVC via EXECUTE. */
2559 regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc);
2561 opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order);
2562 if (opcode != op_svc)
2565 svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1,
2567 if (svc_number == 0)
2568 regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number);
2573 /* Process record-replay */
2575 static struct linux_record_tdep s390_linux_record_tdep;
2576 static struct linux_record_tdep s390x_linux_record_tdep;
2578 /* Record all registers but PC register for process-record. */
2581 s390_all_but_pc_registers_record (struct regcache *regcache)
2583 struct gdbarch *gdbarch = get_regcache_arch (regcache);
2584 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2587 for (i = 0; i < 16; i++)
2589 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
2591 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
2593 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
2595 if (tdep->gpr_full_regnum != -1)
2596 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
2598 if (tdep->v0_full_regnum != -1)
2600 if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
2602 if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i))
2606 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
2608 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
2614 static enum gdb_syscall
2615 s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi)
2619 /* s390 syscall numbers < 222 are mostly the same as x86, so just list
2622 return gdb_sys_no_syscall;
2624 return gdb_sys_restart_syscall;
2625 /* These syscalls work only on 31-bit. */
2627 case 16: /* lchown[16] */
2628 case 23: /* setuid[16] */
2629 case 24: /* getuid[16] */
2630 case 25: /* stime */
2631 case 46: /* setgid[16] */
2632 case 47: /* getgid[16] */
2633 case 49: /* seteuid[16] */
2634 case 50: /* getegid[16] */
2635 case 70: /* setreuid[16] */
2636 case 71: /* setregid[16] */
2637 case 76: /* [old_]getrlimit */
2638 case 80: /* getgroups[16] */
2639 case 81: /* setgroups[16] */
2640 case 95: /* fchown[16] */
2641 case 101: /* ioperm */
2642 case 138: /* setfsuid[16] */
2643 case 139: /* setfsgid[16] */
2644 case 140: /* _llseek */
2645 case 164: /* setresuid[16] */
2646 case 165: /* getresuid[16] */
2647 case 170: /* setresgid[16] */
2648 case 171: /* getresgid[16] */
2649 case 182: /* chown[16] */
2650 case 192: /* mmap2 */
2651 case 193: /* truncate64 */
2652 case 194: /* ftruncate64 */
2653 case 195: /* stat64 */
2654 case 196: /* lstat64 */
2655 case 197: /* fstat64 */
2656 case 221: /* fcntl64 */
2657 if (abi == ABI_LINUX_S390)
2658 return (enum gdb_syscall) syscall;
2659 return gdb_sys_no_syscall;
2660 /* These syscalls don't exist on s390. */
2661 case 17: /* break */
2662 case 18: /* oldstat */
2663 case 28: /* oldfstat */
2666 case 35: /* ftime */
2670 case 58: /* ulimit */
2671 case 59: /* oldolduname */
2672 case 68: /* sgetmask */
2673 case 69: /* ssetmask */
2674 case 82: /* [old_]select */
2675 case 84: /* oldlstat */
2676 case 98: /* profil */
2677 case 109: /* olduname */
2678 case 113: /* vm86old */
2679 case 123: /* modify_ldt */
2680 case 166: /* vm86 */
2681 return gdb_sys_no_syscall;
2683 return gdb_sys_lookup_dcookie;
2684 /* Here come the differences. */
2686 return gdb_sys_readahead;
2688 if (abi == ABI_LINUX_S390)
2689 return gdb_sys_sendfile64;
2690 return gdb_sys_no_syscall;
2691 /* 224-235 handled below */
2693 return gdb_sys_gettid;
2695 return gdb_sys_tkill;
2697 return gdb_sys_futex;
2699 return gdb_sys_sched_setaffinity;
2701 return gdb_sys_sched_getaffinity;
2703 return gdb_sys_tgkill;
2706 return gdb_sys_io_setup;
2708 return gdb_sys_io_destroy;
2710 return gdb_sys_io_getevents;
2712 return gdb_sys_io_submit;
2714 return gdb_sys_io_cancel;
2716 return gdb_sys_exit_group;
2718 return gdb_sys_epoll_create;
2720 return gdb_sys_epoll_ctl;
2722 return gdb_sys_epoll_wait;
2724 return gdb_sys_set_tid_address;
2726 return gdb_sys_fadvise64;
2727 /* 254-262 handled below */
2730 if (abi == ABI_LINUX_S390)
2731 return gdb_sys_fadvise64_64;
2732 return gdb_sys_no_syscall;
2734 return gdb_sys_statfs64;
2736 return gdb_sys_fstatfs64;
2738 return gdb_sys_remap_file_pages;
2739 /* 268-270 reserved */
2740 /* 271-277 handled below */
2742 return gdb_sys_add_key;
2744 return gdb_sys_request_key;
2746 return gdb_sys_keyctl;
2748 return gdb_sys_waitid;
2749 /* 282-312 handled below */
2751 if (abi == ABI_LINUX_S390)
2752 return gdb_sys_fstatat64;
2753 return gdb_sys_newfstatat;
2754 /* 313+ not yet supported */
2759 /* Most "old" syscalls copied from i386. */
2762 /* xattr syscalls. */
2763 else if (syscall >= 224 && syscall <= 235)
2765 /* timer syscalls. */
2766 else if (syscall >= 254 && syscall <= 262)
2768 /* mq_* and kexec_load */
2769 else if (syscall >= 271 && syscall <= 277)
2771 /* ioprio_set .. epoll_pwait */
2772 else if (syscall >= 282 && syscall <= 312)
2775 ret = gdb_sys_no_syscall;
2777 return (enum gdb_syscall) ret;
2783 s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native)
2785 struct gdbarch *gdbarch = get_regcache_arch (regcache);
2786 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2788 enum gdb_syscall syscall_gdb;
2790 /* On s390, syscall number can be passed either as immediate field of svc
2791 instruction, or in %r1 (with svc 0). */
2792 if (syscall_native == 0)
2793 regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native);
2795 syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi);
2797 if (syscall_gdb < 0)
2799 printf_unfiltered (_("Process record and replay target doesn't "
2800 "support syscall number %s\n"),
2801 plongest (syscall_native));
2805 if (syscall_gdb == gdb_sys_sigreturn
2806 || syscall_gdb == gdb_sys_rt_sigreturn)
2808 if (s390_all_but_pc_registers_record (regcache))
2813 if (tdep->abi == ABI_LINUX_ZSERIES)
2814 ret = record_linux_system_call (syscall_gdb, regcache,
2815 &s390x_linux_record_tdep);
2817 ret = record_linux_system_call (syscall_gdb, regcache,
2818 &s390_linux_record_tdep);
2823 /* Record the return value of the system call. */
2824 if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
2831 s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache,
2832 enum gdb_signal signal)
2834 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2835 /* There are two kinds of signal frames on s390. rt_sigframe is always
2836 the larger one, so don't even bother with sigframe. */
2837 const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ?
2838 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000);
2842 for (i = 0; i < 16; i++)
2844 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
2846 if (tdep->gpr_full_regnum != -1)
2847 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
2850 if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
2852 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
2855 /* Record the change in the stack.
2856 frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */
2857 regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp);
2858 sp -= sizeof_rt_sigframe;
2860 if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe))
2863 if (record_full_arch_list_add_end ())
2869 /* Frame base handling. */
2872 s390_frame_base_address (struct frame_info *this_frame, void **this_cache)
2874 struct s390_unwind_cache *info
2875 = s390_frame_unwind_cache (this_frame, this_cache);
2876 return info->frame_base;
2880 s390_local_base_address (struct frame_info *this_frame, void **this_cache)
2882 struct s390_unwind_cache *info
2883 = s390_frame_unwind_cache (this_frame, this_cache);
2884 return info->local_base;
2887 static const struct frame_base s390_frame_base = {
2889 s390_frame_base_address,
2890 s390_local_base_address,
2891 s390_local_base_address
2895 s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
2897 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2899 pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum);
2900 return gdbarch_addr_bits_remove (gdbarch, pc);
2904 s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
2907 sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM);
2908 return gdbarch_addr_bits_remove (gdbarch, sp);
2912 /* DWARF-2 frame support. */
2914 static struct value *
2915 s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache,
2918 return s390_unwind_pseudo_register (this_frame, regnum);
2922 s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
2923 struct dwarf2_frame_state_reg *reg,
2924 struct frame_info *this_frame)
2926 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2928 /* The condition code (and thus PSW mask) is call-clobbered. */
2929 if (regnum == S390_PSWM_REGNUM)
2930 reg->how = DWARF2_FRAME_REG_UNDEFINED;
2932 /* The PSW address unwinds to the return address. */
2933 else if (regnum == S390_PSWA_REGNUM)
2934 reg->how = DWARF2_FRAME_REG_RA;
2936 /* Fixed registers are call-saved or call-clobbered
2937 depending on the ABI in use. */
2938 else if (regnum < S390_NUM_REGS)
2940 if (s390_register_call_saved (gdbarch, regnum))
2941 reg->how = DWARF2_FRAME_REG_SAME_VALUE;
2943 reg->how = DWARF2_FRAME_REG_UNDEFINED;
2946 /* We install a special function to unwind pseudos. */
2949 reg->how = DWARF2_FRAME_REG_FN;
2950 reg->loc.fn = s390_dwarf2_prev_register;
2955 /* Dummy function calls. */
2957 /* Unwrap any single-field structs in TYPE and return the effective
2958 "inner" type. E.g., yield "float" for all these cases:
2962 struct { struct { float x; } x; };
2963 struct { struct { struct { float x; } x; } x; };
2965 However, if an inner type is smaller than MIN_SIZE, abort the
2968 static struct type *
2969 s390_effective_inner_type (struct type *type, unsigned int min_size)
2971 while (TYPE_CODE (type) == TYPE_CODE_STRUCT
2972 && TYPE_NFIELDS (type) == 1)
2974 struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0));
2976 if (TYPE_LENGTH (inner) < min_size)
2984 /* Return non-zero if TYPE should be passed like "float" or
2988 s390_function_arg_float (struct type *type)
2990 /* Note that long double as well as complex types are intentionally
2992 if (TYPE_LENGTH (type) > 8)
2995 /* A struct containing just a float or double is passed like a float
2997 type = s390_effective_inner_type (type, 0);
2999 return (TYPE_CODE (type) == TYPE_CODE_FLT
3000 || TYPE_CODE (type) == TYPE_CODE_DECFLOAT);
3003 /* Return non-zero if TYPE should be passed like a vector. */
3006 s390_function_arg_vector (struct type *type)
3008 if (TYPE_LENGTH (type) > 16)
3011 /* Structs containing just a vector are passed like a vector. */
3012 type = s390_effective_inner_type (type, TYPE_LENGTH (type));
3014 return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type);
3017 /* Determine whether N is a power of two. */
3020 is_power_of_two (unsigned int n)
3022 return n && ((n & (n - 1)) == 0);
3025 /* For an argument whose type is TYPE and which is not passed like a
3026 float or vector, return non-zero if it should be passed like "int"
3030 s390_function_arg_integer (struct type *type)
3032 enum type_code code = TYPE_CODE (type);
3034 if (TYPE_LENGTH (type) > 8)
3037 if (code == TYPE_CODE_INT
3038 || code == TYPE_CODE_ENUM
3039 || code == TYPE_CODE_RANGE
3040 || code == TYPE_CODE_CHAR
3041 || code == TYPE_CODE_BOOL
3042 || code == TYPE_CODE_PTR
3043 || code == TYPE_CODE_REF)
3046 return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT)
3047 && is_power_of_two (TYPE_LENGTH (type)));
3050 /* Argument passing state: Internal data structure passed to helper
3051 routines of s390_push_dummy_call. */
3053 struct s390_arg_state
3055 /* Register cache, or NULL, if we are in "preparation mode". */
3056 struct regcache *regcache;
3057 /* Next available general/floating-point/vector register for
3058 argument passing. */
3060 /* Current pointer to copy area (grows downwards). */
3062 /* Current pointer to parameter area (grows upwards). */
3066 /* Prepare one argument ARG for a dummy call and update the argument
3067 passing state AS accordingly. If the regcache field in AS is set,
3068 operate in "write mode" and write ARG into the inferior. Otherwise
3069 run "preparation mode" and skip all updates to the inferior. */
3072 s390_handle_arg (struct s390_arg_state *as, struct value *arg,
3073 struct gdbarch_tdep *tdep, int word_size,
3074 enum bfd_endian byte_order, int is_unnamed)
3076 struct type *type = check_typedef (value_type (arg));
3077 unsigned int length = TYPE_LENGTH (type);
3078 int write_mode = as->regcache != NULL;
3080 if (s390_function_arg_float (type))
3082 /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass
3083 arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and
3085 if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6))
3087 /* When we store a single-precision value in an FP register,
3088 it occupies the leftmost bits. */
3090 regcache_cooked_write_part (as->regcache,
3091 S390_F0_REGNUM + as->fr,
3093 value_contents (arg));
3098 /* When we store a single-precision value in a stack slot,
3099 it occupies the rightmost bits. */
3100 as->argp = align_up (as->argp + length, word_size);
3102 write_memory (as->argp - length, value_contents (arg),
3106 else if (tdep->vector_abi == S390_VECTOR_ABI_128
3107 && s390_function_arg_vector (type))
3109 static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31};
3111 if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr))
3113 int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24;
3116 regcache_cooked_write_part (as->regcache, regnum,
3118 value_contents (arg));
3124 write_memory (as->argp, value_contents (arg), length);
3125 as->argp = align_up (as->argp + length, word_size);
3128 else if (s390_function_arg_integer (type) && length <= word_size)
3130 /* Initialize it just to avoid a GCC false warning. */
3135 /* Place value in least significant bits of the register or
3136 memory word and sign- or zero-extend to full word size.
3137 This also applies to a struct or union. */
3138 val = TYPE_UNSIGNED (type)
3139 ? extract_unsigned_integer (value_contents (arg),
3141 : extract_signed_integer (value_contents (arg),
3142 length, byte_order);
3148 regcache_cooked_write_unsigned (as->regcache,
3149 S390_R0_REGNUM + as->gr,
3156 write_memory_unsigned_integer (as->argp, word_size,
3158 as->argp += word_size;
3161 else if (s390_function_arg_integer (type) && length == 8)
3167 regcache_cooked_write (as->regcache,
3168 S390_R0_REGNUM + as->gr,
3169 value_contents (arg));
3170 regcache_cooked_write (as->regcache,
3171 S390_R0_REGNUM + as->gr + 1,
3172 value_contents (arg) + word_size);
3178 /* If we skipped r6 because we couldn't fit a DOUBLE_ARG
3179 in it, then don't go back and use it again later. */
3183 write_memory (as->argp, value_contents (arg), length);
3189 /* This argument type is never passed in registers. Place the
3190 value in the copy area and pass a pointer to it. Use 8-byte
3191 alignment as a conservative assumption. */
3192 as->copy = align_down (as->copy - length, 8);
3194 write_memory (as->copy, value_contents (arg), length);
3199 regcache_cooked_write_unsigned (as->regcache,
3200 S390_R0_REGNUM + as->gr,
3207 write_memory_unsigned_integer (as->argp, word_size,
3208 byte_order, as->copy);
3209 as->argp += word_size;
3214 /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in
3215 place to be passed to a function, as specified by the "GNU/Linux
3216 for S/390 ELF Application Binary Interface Supplement".
3218 SP is the current stack pointer. We must put arguments, links,
3219 padding, etc. whereever they belong, and return the new stack
3222 If STRUCT_RETURN is non-zero, then the function we're calling is
3223 going to return a structure by value; STRUCT_ADDR is the address of
3224 a block we've allocated for it on the stack.
3226 Our caller has taken care of any type promotions needed to satisfy
3227 prototypes or the old K&R argument-passing rules. */
3230 s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
3231 struct regcache *regcache, CORE_ADDR bp_addr,
3232 int nargs, struct value **args, CORE_ADDR sp,
3233 int struct_return, CORE_ADDR struct_addr)
3235 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3236 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3237 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3239 struct s390_arg_state arg_state, arg_prep;
3240 CORE_ADDR param_area_start, new_sp;
3241 struct type *ftype = check_typedef (value_type (function));
3243 if (TYPE_CODE (ftype) == TYPE_CODE_PTR)
3244 ftype = check_typedef (TYPE_TARGET_TYPE (ftype));
3247 arg_prep.gr = struct_return ? 3 : 2;
3251 arg_prep.regcache = NULL;
3253 /* Initialize arg_state for "preparation mode". */
3254 arg_state = arg_prep;
3256 /* Update arg_state.copy with the start of the reference-to-copy area
3257 and arg_state.argp with the size of the parameter area. */
3258 for (i = 0; i < nargs; i++)
3259 s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
3260 TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
3262 param_area_start = align_down (arg_state.copy - arg_state.argp, 8);
3264 /* Allocate the standard frame areas: the register save area, the
3265 word reserved for the compiler, and the back chain pointer. */
3266 new_sp = param_area_start - (16 * word_size + 32);
3268 /* Now we have the final stack pointer. Make sure we didn't
3269 underflow; on 31-bit, this would result in addresses with the
3270 high bit set, which causes confusion elsewhere. Note that if we
3271 error out here, stack and registers remain untouched. */
3272 if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp)
3273 error (_("Stack overflow"));
3275 /* Pass the structure return address in general register 2. */
3277 regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr);
3279 /* Initialize arg_state for "write mode". */
3280 arg_state = arg_prep;
3281 arg_state.argp = param_area_start;
3282 arg_state.regcache = regcache;
3284 /* Write all parameters. */
3285 for (i = 0; i < nargs; i++)
3286 s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
3287 TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
3289 /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */
3293 regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
3294 bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000);
3296 regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr);
3298 /* Store updated stack pointer. */
3299 regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp);
3301 /* We need to return the 'stack part' of the frame ID,
3302 which is actually the top of the register save area. */
3303 return param_area_start;
3306 /* Assuming THIS_FRAME is a dummy, return the frame ID of that
3307 dummy frame. The frame ID's base needs to match the TOS value
3308 returned by push_dummy_call, and the PC match the dummy frame's
3310 static struct frame_id
3311 s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
3313 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3314 CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
3315 sp = gdbarch_addr_bits_remove (gdbarch, sp);
3317 return frame_id_build (sp + 16*word_size + 32,
3318 get_frame_pc (this_frame));
3322 s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
3324 /* Both the 32- and 64-bit ABI's say that the stack pointer should
3325 always be aligned on an eight-byte boundary. */
3330 /* Helper for s390_return_value: Set or retrieve a function return
3331 value if it resides in a register. */
3334 s390_register_return_value (struct gdbarch *gdbarch, struct type *type,
3335 struct regcache *regcache,
3336 gdb_byte *out, const gdb_byte *in)
3338 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3339 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3340 int length = TYPE_LENGTH (type);
3341 int code = TYPE_CODE (type);
3343 if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT)
3345 /* Float-like value: left-aligned in f0. */
3347 regcache_cooked_write_part (regcache, S390_F0_REGNUM,
3350 regcache_cooked_read_part (regcache, S390_F0_REGNUM,
3353 else if (code == TYPE_CODE_ARRAY)
3355 /* Vector: left-aligned in v24. */
3357 regcache_cooked_write_part (regcache, S390_V24_REGNUM,
3360 regcache_cooked_read_part (regcache, S390_V24_REGNUM,
3363 else if (length <= word_size)
3365 /* Integer: zero- or sign-extended in r2. */
3367 regcache_cooked_read_part (regcache, S390_R2_REGNUM,
3368 word_size - length, length, out);
3369 else if (TYPE_UNSIGNED (type))
3370 regcache_cooked_write_unsigned
3371 (regcache, S390_R2_REGNUM,
3372 extract_unsigned_integer (in, length, byte_order));
3374 regcache_cooked_write_signed
3375 (regcache, S390_R2_REGNUM,
3376 extract_signed_integer (in, length, byte_order));
3378 else if (length == 2 * word_size)
3380 /* Double word: in r2 and r3. */
3383 regcache_cooked_write (regcache, S390_R2_REGNUM, in);
3384 regcache_cooked_write (regcache, S390_R3_REGNUM,
3389 regcache_cooked_read (regcache, S390_R2_REGNUM, out);
3390 regcache_cooked_read (regcache, S390_R3_REGNUM,
3395 internal_error (__FILE__, __LINE__, _("invalid return type"));
3399 /* Implement the 'return_value' gdbarch method. */
3401 static enum return_value_convention
3402 s390_return_value (struct gdbarch *gdbarch, struct value *function,
3403 struct type *type, struct regcache *regcache,
3404 gdb_byte *out, const gdb_byte *in)
3406 enum return_value_convention rvc;
3408 type = check_typedef (type);
3410 switch (TYPE_CODE (type))
3412 case TYPE_CODE_STRUCT:
3413 case TYPE_CODE_UNION:
3414 case TYPE_CODE_COMPLEX:
3415 rvc = RETURN_VALUE_STRUCT_CONVENTION;
3417 case TYPE_CODE_ARRAY:
3418 rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128
3419 && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type))
3420 ? RETURN_VALUE_REGISTER_CONVENTION
3421 : RETURN_VALUE_STRUCT_CONVENTION;
3424 rvc = TYPE_LENGTH (type) <= 8
3425 ? RETURN_VALUE_REGISTER_CONVENTION
3426 : RETURN_VALUE_STRUCT_CONVENTION;
3429 if (in != NULL || out != NULL)
3431 if (rvc == RETURN_VALUE_REGISTER_CONVENTION)
3432 s390_register_return_value (gdbarch, type, regcache, out, in);
3433 else if (in != NULL)
3434 error (_("Cannot set function return value."));
3436 error (_("Function return value unknown."));
3445 static const gdb_byte *
3446 s390_breakpoint_from_pc (struct gdbarch *gdbarch,
3447 CORE_ADDR *pcptr, int *lenptr)
3449 static const gdb_byte breakpoint[] = { 0x0, 0x1 };
3451 *lenptr = sizeof (breakpoint);
3456 /* Address handling. */
3459 s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr)
3461 return addr & 0x7fffffff;
3465 s390_address_class_type_flags (int byte_size, int dwarf2_addr_class)
3468 return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
3474 s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags)
3476 if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
3483 s390_address_class_name_to_type_flags (struct gdbarch *gdbarch,
3485 int *type_flags_ptr)
3487 if (strcmp (name, "mode32") == 0)
3489 *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
3496 /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or
3497 "-mcmodel=large". */
3500 s390_gcc_target_options (struct gdbarch *gdbarch)
3502 return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31");
3505 /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*"
3506 for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is
3507 always "s390". Note that an s390x compiler supports "-m31" as
3511 s390_gnu_triplet_regexp (struct gdbarch *gdbarch)
3516 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
3520 s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s)
3522 return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement
3524 || *s == '%' /* Register access. */
3525 || isdigit (*s)); /* Literal number. */
3528 /* Process record and replay helpers. */
3530 /* Takes the intermediate sum of address calculations and masks off upper
3531 bits according to current addressing mode. */
3534 s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache,
3536 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3537 ULONGEST pswm, pswa;
3539 if (tdep->abi == ABI_LINUX_S390)
3541 regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
3542 am = pswa >> 31 & 1;
3546 regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm);
3547 am = pswm >> 31 & 3;
3552 return val & 0xffffff;
3554 return val & 0x7fffffff;
3558 fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am);
3563 /* Calculates memory address using pre-calculated index, raw instruction word
3564 with b and d/dl fields, and raw instruction byte with dh field. Index and
3565 dh should be set to 0 if unused. */
3568 s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache,
3569 ULONGEST x, uint16_t bd, int8_t dh)
3571 uint8_t rb = bd >> 12 & 0xf;
3572 int32_t d = (bd & 0xfff) | ((int32_t)dh << 12);
3574 CORE_ADDR res = d + x;
3577 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b);
3580 return s390_record_address_mask (gdbarch, regcache, res);
3583 /* Calculates memory address using raw x, b + d/dl, dh fields from
3584 instruction. rx and dh should be set to 0 if unused. */
3587 s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache,
3588 uint8_t rx, uint16_t bd, int8_t dh)
3592 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x);
3593 return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
3596 /* Calculates memory address for VSCE[GF] instructions. */
3599 s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache,
3600 uint8_t vx, uint8_t el, uint8_t es, uint16_t bd,
3601 int8_t dh, CORE_ADDR *res)
3603 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3604 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3607 if (tdep->v0_full_regnum == -1 || el * es >= 16)
3610 regcache_cooked_read (regcache, tdep->v0_full_regnum + vx, buf);
3612 regcache_raw_read (regcache, S390_V16_REGNUM + vx - 16, buf);
3613 x = extract_unsigned_integer (buf + el * es, es, byte_order);
3614 *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
3618 /* Calculates memory address for instructions with relative long addressing. */
3621 s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache,
3622 CORE_ADDR addr, uint16_t i1, uint16_t i2)
3624 int32_t ri = i1 << 16 | i2;
3625 return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2);
3628 /* Population count helper. */
3630 static int s390_popcnt (unsigned int x) {
3641 /* Record 64-bit register. */
3644 s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3646 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3647 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
3649 if (tdep->abi == ABI_LINUX_S390)
3650 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
3655 /* Record high 32 bits of a register. */
3658 s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3660 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3661 if (tdep->abi == ABI_LINUX_S390)
3663 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
3668 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
3674 /* Record vector register. */
3677 s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3679 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3682 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
3684 if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
3689 if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16))
3696 s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
3699 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3700 uint16_t insn[3] = {0};
3701 /* Instruction as bytes. */
3703 /* Instruction as nibbles. */
3705 /* Instruction vector registers. */
3707 CORE_ADDR oaddr, oaddr2, oaddr3;
3710 /* if EX/EXRL instruction used, here's the reg parameter */
3712 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3714 /* Attempting to use EX or EXRL jumps back here */
3717 /* Read instruction. */
3718 insn[0] = read_memory_unsigned_integer (addr, 2, byte_order);
3719 /* If execute was involved, do the adjustment. */
3721 insn[0] |= ex & 0xff;
3722 /* Two highest bits determine instruction size. */
3723 if (insn[0] >= 0x4000)
3724 insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order);
3726 /* Not necessary, but avoids uninitialized variable warnings. */
3728 if (insn[0] >= 0xc000)
3729 insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order);
3732 /* Split instruction into bytes and nibbles. */
3733 for (i = 0; i < 3; i++)
3735 ibyte[i*2] = insn[i] >> 8 & 0xff;
3736 ibyte[i*2+1] = insn[i] & 0xff;
3738 for (i = 0; i < 6; i++)
3740 inib[i*2] = ibyte[i] >> 4 & 0xf;
3741 inib[i*2+1] = ibyte[i] & 0xf;
3743 /* Compute vector registers, if applicable. */
3744 ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2];
3745 ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3];
3746 ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4];
3747 ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8];
3751 /* 0x00 undefined */
3754 /* E-format instruction */
3757 /* 0x00 undefined */
3758 /* 0x01 unsupported: PR - program return */
3759 /* 0x02 unsupported: UPT */
3760 /* 0x03 undefined */
3761 /* 0x04 privileged: PTFF - perform timing facility function */
3762 /* 0x05-0x06 undefined */
3763 /* 0x07 privileged: SCKPF - set clock programmable field */
3764 /* 0x08-0x09 undefined */
3766 case 0x0a: /* PFPO - perform floating point operation */
3767 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
3768 if (!(tmp & 0x80000000u))
3770 uint8_t ofc = tmp >> 16 & 0xff;
3773 case 0x00: /* HFP32 */
3774 case 0x01: /* HFP64 */
3775 case 0x05: /* BFP32 */
3776 case 0x06: /* BFP64 */
3777 case 0x08: /* DFP32 */
3778 case 0x09: /* DFP64 */
3779 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
3782 case 0x02: /* HFP128 */
3783 case 0x07: /* BFP128 */
3784 case 0x0a: /* DFP128 */
3785 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
3787 if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM))
3791 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n",
3792 ofc, paddress (gdbarch, addr));
3796 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
3799 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
3801 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3805 case 0x0b: /* TAM - test address mode */
3806 case 0x0c: /* SAM24 - set address mode 24 */
3807 case 0x0d: /* SAM31 - set address mode 31 */
3808 case 0x0e: /* SAM64 - set address mode 64 */
3809 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3813 /* 0x0f-0xfe undefined */
3815 /* 0xff unsupported: TRAP */
3822 /* 0x02 undefined */
3823 /* 0x03 undefined */
3825 case 0x04: /* SPM - set program mask */
3826 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3830 case 0x05: /* BALR - branch and link */
3831 case 0x45: /* BAL - branch and link */
3832 case 0x06: /* BCTR - branch on count */
3833 case 0x46: /* BCT - branch on count */
3834 case 0x0d: /* BASR - branch and save */
3835 case 0x4d: /* BAS - branch and save */
3836 case 0x84: /* BRXH - branch relative on index high */
3837 case 0x85: /* BRXLE - branch relative on index low or equal */
3838 case 0x86: /* BXH - branch on index high */
3839 case 0x87: /* BXLE - branch on index low or equal */
3840 /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX*
3841 use 32-bit destination as counter. */
3842 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3846 case 0x07: /* BCR - branch on condition */
3847 case 0x47: /* BC - branch on condition */
3848 /* No effect other than PC transfer. */
3851 /* 0x08 undefined */
3852 /* 0x09 undefined */
3855 /* SVC - supervisor call */
3856 if (s390_linux_syscall_record (regcache, ibyte[1]))
3860 case 0x0b: /* BSM - branch and set mode */
3862 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3864 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3868 case 0x0c: /* BASSM - branch and save and set mode */
3869 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3871 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3875 case 0x0e: /* MVCL - move long [interruptible] */
3876 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
3877 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
3878 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
3880 if (record_full_arch_list_add_mem (oaddr, tmp))
3882 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3884 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
3886 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
3888 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
3890 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3894 case 0x0f: /* CLCL - compare logical long [interruptible] */
3895 case 0xa9: /* CLCLE - compare logical long extended [partial] */
3896 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3898 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
3900 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
3902 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
3904 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3908 case 0x10: /* LPR - load positive */
3909 case 0x11: /* LNR - load negative */
3910 case 0x12: /* LTR - load and test */
3911 case 0x13: /* LCR - load complement */
3912 case 0x14: /* NR - and */
3913 case 0x16: /* OR - or */
3914 case 0x17: /* XR - xor */
3915 case 0x1a: /* AR - add */
3916 case 0x1b: /* SR - subtract */
3917 case 0x1e: /* ALR - add logical */
3918 case 0x1f: /* SLR - subtract logical */
3919 case 0x54: /* N - and */
3920 case 0x56: /* O - or */
3921 case 0x57: /* X - xor */
3922 case 0x5a: /* A - add */
3923 case 0x5b: /* S - subtract */
3924 case 0x5e: /* AL - add logical */
3925 case 0x5f: /* SL - subtract logical */
3926 case 0x4a: /* AH - add halfword */
3927 case 0x4b: /* SH - subtract halfword */
3928 case 0x8a: /* SRA - shift right single */
3929 case 0x8b: /* SLA - shift left single */
3930 case 0xbf: /* ICM - insert characters under mask */
3931 /* 32-bit destination + flags */
3932 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3934 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3938 case 0x15: /* CLR - compare logical */
3939 case 0x55: /* CL - compare logical */
3940 case 0x19: /* CR - compare */
3941 case 0x29: /* CDR - compare */
3942 case 0x39: /* CER - compare */
3943 case 0x49: /* CH - compare halfword */
3944 case 0x59: /* C - compare */
3945 case 0x69: /* CD - compare */
3946 case 0x79: /* CE - compare */
3947 case 0x91: /* TM - test under mask */
3948 case 0x95: /* CLI - compare logical */
3949 case 0xbd: /* CLM - compare logical under mask */
3950 case 0xd5: /* CLC - compare logical */
3951 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3955 case 0x18: /* LR - load */
3956 case 0x48: /* LH - load halfword */
3957 case 0x58: /* L - load */
3958 case 0x41: /* LA - load address */
3959 case 0x43: /* IC - insert character */
3960 case 0x4c: /* MH - multiply halfword */
3961 case 0x71: /* MS - multiply single */
3962 case 0x88: /* SRL - shift right single logical */
3963 case 0x89: /* SLL - shift left single logical */
3964 /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */
3965 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3969 case 0x1c: /* MR - multiply */
3970 case 0x5c: /* M - multiply */
3971 case 0x1d: /* DR - divide */
3972 case 0x5d: /* D - divide */
3973 case 0x8c: /* SRDL - shift right double logical */
3974 case 0x8d: /* SLDL - shift left double logical */
3975 /* 32-bit pair destination, no flags */
3976 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3978 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
3982 case 0x20: /* LPDR - load positive */
3983 case 0x30: /* LPER - load positive */
3984 case 0x21: /* LNDR - load negative */
3985 case 0x31: /* LNER - load negative */
3986 case 0x22: /* LTDR - load and test */
3987 case 0x32: /* LTER - load and test */
3988 case 0x23: /* LCDR - load complement */
3989 case 0x33: /* LCER - load complement */
3990 case 0x2a: /* ADR - add */
3991 case 0x3a: /* AER - add */
3992 case 0x6a: /* AD - add */
3993 case 0x7a: /* AE - add */
3994 case 0x2b: /* SDR - subtract */
3995 case 0x3b: /* SER - subtract */
3996 case 0x6b: /* SD - subtract */
3997 case 0x7b: /* SE - subtract */
3998 case 0x2e: /* AWR - add unnormalized */
3999 case 0x3e: /* AUR - add unnormalized */
4000 case 0x6e: /* AW - add unnormalized */
4001 case 0x7e: /* AU - add unnormalized */
4002 case 0x2f: /* SWR - subtract unnormalized */
4003 case 0x3f: /* SUR - subtract unnormalized */
4004 case 0x6f: /* SW - subtract unnormalized */
4005 case 0x7f: /* SU - subtract unnormalized */
4006 /* float destination + flags */
4007 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4009 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4013 case 0x24: /* HDR - halve */
4014 case 0x34: /* HER - halve */
4015 case 0x25: /* LDXR - load rounded */
4016 case 0x35: /* LEDR - load rounded */
4017 case 0x28: /* LDR - load */
4018 case 0x38: /* LER - load */
4019 case 0x68: /* LD - load */
4020 case 0x78: /* LE - load */
4021 case 0x2c: /* MDR - multiply */
4022 case 0x3c: /* MDER - multiply */
4023 case 0x6c: /* MD - multiply */
4024 case 0x7c: /* MDE - multiply */
4025 case 0x2d: /* DDR - divide */
4026 case 0x3d: /* DER - divide */
4027 case 0x6d: /* DD - divide */
4028 case 0x7d: /* DE - divide */
4029 /* float destination, no flags */
4030 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4034 case 0x26: /* MXR - multiply */
4035 case 0x27: /* MXDR - multiply */
4036 case 0x67: /* MXD - multiply */
4037 /* float pair destination, no flags */
4038 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4040 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
4044 case 0x36: /* AXR - add */
4045 case 0x37: /* SXR - subtract */
4046 /* float pair destination + flags */
4047 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4049 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
4051 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4055 case 0x40: /* STH - store halfword */
4056 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4057 if (record_full_arch_list_add_mem (oaddr, 2))
4061 case 0x42: /* STC - store character */
4062 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4063 if (record_full_arch_list_add_mem (oaddr, 1))
4067 case 0x44: /* EX - execute */
4070 fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
4071 paddress (gdbarch, addr));
4074 addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4077 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
4086 case 0x4e: /* CVD - convert to decimal */
4087 case 0x60: /* STD - store */
4088 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4089 if (record_full_arch_list_add_mem (oaddr, 8))
4093 case 0x4f: /* CVB - convert to binary */
4094 /* 32-bit gpr destination + FPC (DXC write) */
4095 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4097 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4101 case 0x50: /* ST - store */
4102 case 0x70: /* STE - store */
4103 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4104 if (record_full_arch_list_add_mem (oaddr, 4))
4108 case 0x51: /* LAE - load address extended */
4109 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4111 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
4115 /* 0x52 undefined */
4116 /* 0x53 undefined */
4118 /* 0x61-0x66 undefined */
4120 /* 0x72-0x77 undefined */
4122 /* 0x80 privileged: SSM - set system mask */
4123 /* 0x81 undefined */
4124 /* 0x82 privileged: LPSW - load PSW */
4125 /* 0x83 privileged: diagnose */
4127 case 0x8e: /* SRDA - shift right double */
4128 case 0x8f: /* SLDA - shift left double */
4129 /* 32-bit pair destination + flags */
4130 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4132 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4134 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4138 case 0x90: /* STM - store multiple */
4139 case 0x9b: /* STAM - store access multiple */
4140 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4141 if (inib[2] <= inib[3])
4142 n = inib[3] - inib[2] + 1;
4144 n = inib[3] + 0x10 - inib[2] + 1;
4145 if (record_full_arch_list_add_mem (oaddr, n * 4))
4149 case 0x92: /* MVI - move */
4150 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4151 if (record_full_arch_list_add_mem (oaddr, 1))
4155 case 0x93: /* TS - test and set */
4156 case 0x94: /* NI - and */
4157 case 0x96: /* OI - or */
4158 case 0x97: /* XI - xor */
4159 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4160 if (record_full_arch_list_add_mem (oaddr, 1))
4162 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4166 case 0x98: /* LM - load multiple */
4167 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
4168 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
4170 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
4174 /* 0x99 privileged: TRACE */
4176 case 0x9a: /* LAM - load access multiple */
4177 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
4178 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
4180 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
4184 /* 0x9c-0x9f privileged and obsolete (old I/O) */
4185 /* 0xa0-0xa4 undefined */
4189 /* RI-format instruction */
4190 switch (ibyte[0] << 4 | inib[3])
4192 case 0xa50: /* IIHH - insert immediate */
4193 case 0xa51: /* IIHL - insert immediate */
4194 /* high 32-bit destination */
4195 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
4199 case 0xa52: /* IILH - insert immediate */
4200 case 0xa53: /* IILL - insert immediate */
4201 case 0xa75: /* BRAS - branch relative and save */
4202 case 0xa76: /* BRCT - branch relative on count */
4203 case 0xa78: /* LHI - load halfword immediate */
4204 case 0xa7c: /* MHI - multiply halfword immediate */
4205 /* 32-bit or native destination */
4206 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4210 case 0xa54: /* NIHH - and immediate */
4211 case 0xa55: /* NIHL - and immediate */
4212 case 0xa58: /* OIHH - or immediate */
4213 case 0xa59: /* OIHL - or immediate */
4214 /* high 32-bit destination + flags */
4215 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
4217 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4221 case 0xa56: /* NILH - and immediate */
4222 case 0xa57: /* NILL - and immediate */
4223 case 0xa5a: /* OILH - or immediate */
4224 case 0xa5b: /* OILL - or immediate */
4225 case 0xa7a: /* AHI - add halfword immediate */
4226 /* 32-bit destination + flags */
4227 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4229 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4233 case 0xa5c: /* LLIHH - load logical immediate */
4234 case 0xa5d: /* LLIHL - load logical immediate */
4235 case 0xa5e: /* LLILH - load logical immediate */
4236 case 0xa5f: /* LLILL - load logical immediate */
4237 case 0xa77: /* BRCTG - branch relative on count */
4238 case 0xa79: /* LGHI - load halfword immediate */
4239 case 0xa7d: /* MGHI - multiply halfword immediate */
4240 /* 64-bit destination */
4241 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
4245 case 0xa70: /* TMLH - test under mask */
4246 case 0xa71: /* TMLL - test under mask */
4247 case 0xa72: /* TMHH - test under mask */
4248 case 0xa73: /* TMHL - test under mask */
4249 case 0xa7e: /* CHI - compare halfword immediate */
4250 case 0xa7f: /* CGHI - compare halfword immediate */
4252 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4256 case 0xa74: /* BRC - branch relative on condition */
4257 /* no register change */
4260 case 0xa7b: /* AGHI - add halfword immediate */
4261 /* 64-bit destination + flags */
4262 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
4264 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4273 /* 0xa6 undefined */
4275 case 0xa8: /* MVCLE - move long extended [partial] */
4276 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
4277 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4278 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
4279 if (record_full_arch_list_add_mem (oaddr, tmp))
4281 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4283 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4285 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
4287 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
4289 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4293 /* 0xaa-0xab undefined */
4294 /* 0xac privileged: STNSM - store then and system mask */
4295 /* 0xad privileged: STOSM - store then or system mask */
4296 /* 0xae privileged: SIGP - signal processor */
4297 /* 0xaf unsupported: MC - monitor call */
4298 /* 0xb0 undefined */
4299 /* 0xb1 privileged: LRA - load real address */
4304 /* S/RRD/RRE/RRF/IE-format instruction */
4307 /* 0xb200-0xb204 undefined or privileged */
4309 case 0xb205: /* STCK - store clock */
4310 case 0xb27c: /* STCKF - store clock fast */
4311 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4312 if (record_full_arch_list_add_mem (oaddr, 8))
4314 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4318 /* 0xb206-0xb219 undefined, privileged, or unsupported */
4319 /* 0xb21a unsupported: CFC */
4320 /* 0xb21b-0xb221 undefined or privileged */
4322 case 0xb222: /* IPM - insert program mask */
4323 case 0xb24f: /* EAR - extract access */
4324 case 0xb252: /* MSR - multiply single */
4325 case 0xb2ec: /* ETND - extract transaction nesting depth */
4326 case 0xb38c: /* EFPC - extract fpc */
4327 case 0xb91f: /* LRVR - load reversed */
4328 case 0xb926: /* LBR - load byte */
4329 case 0xb927: /* LHR - load halfword */
4330 case 0xb994: /* LLCR - load logical character */
4331 case 0xb995: /* LLHR - load logical halfword */
4332 case 0xb9f2: /* LOCR - load on condition */
4333 /* 32-bit gpr destination */
4334 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4338 /* 0xb223-0xb22c privileged or unsupported */
4340 case 0xb22d: /* DXR - divide */
4341 case 0xb325: /* LXDR - load lengthened */
4342 case 0xb326: /* LXER - load lengthened */
4343 case 0xb336: /* SQXR - square root */
4344 case 0xb365: /* LXR - load */
4345 case 0xb367: /* FIXR - load fp integer */
4346 case 0xb376: /* LZXR - load zero */
4347 case 0xb3b6: /* CXFR - convert from fixed */
4348 case 0xb3c6: /* CXGR - convert from fixed */
4349 case 0xb3fe: /* IEXTR - insert biased exponent */
4350 /* float pair destination */
4351 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4353 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4357 /* 0xb22e-0xb240 undefined, privileged, or unsupported */
4359 case 0xb241: /* CKSM - checksum [partial] */
4360 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4362 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4364 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4366 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4370 /* 0xb242-0xb243 undefined */
4372 case 0xb244: /* SQDR - square root */
4373 case 0xb245: /* SQER - square root */
4374 case 0xb324: /* LDER - load lengthened */
4375 case 0xb337: /* MEER - multiply */
4376 case 0xb366: /* LEXR - load rounded */
4377 case 0xb370: /* LPDFR - load positive */
4378 case 0xb371: /* LNDFR - load negative */
4379 case 0xb372: /* CSDFR - copy sign */
4380 case 0xb373: /* LCDFR - load complement */
4381 case 0xb374: /* LZER - load zero */
4382 case 0xb375: /* LZDR - load zero */
4383 case 0xb377: /* FIER - load fp integer */
4384 case 0xb37f: /* FIDR - load fp integer */
4385 case 0xb3b4: /* CEFR - convert from fixed */
4386 case 0xb3b5: /* CDFR - convert from fixed */
4387 case 0xb3c1: /* LDGR - load fpr from gr */
4388 case 0xb3c4: /* CEGR - convert from fixed */
4389 case 0xb3c5: /* CDGR - convert from fixed */
4390 case 0xb3f6: /* IEDTR - insert biased exponent */
4391 /* float destination */
4392 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4396 /* 0xb246-0xb24c: privileged or unsupported */
4398 case 0xb24d: /* CPYA - copy access */
4399 case 0xb24e: /* SAR - set access */
4400 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6]))
4404 /* 0xb250-0xb251 undefined or privileged */
4405 /* 0xb253-0xb254 undefined or privileged */
4407 case 0xb255: /* MVST - move string [partial] */
4412 /* Read ending byte. */
4413 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
4415 /* Get address of second operand. */
4416 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp);
4417 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4418 /* Search for ending byte and compute length. */
4421 if (target_read_memory (oaddr, &cur, 1))
4424 } while (cur != end);
4425 /* Get address of first operand and record it. */
4426 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4427 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4428 if (record_full_arch_list_add_mem (oaddr, num))
4430 /* Record the registers. */
4431 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4433 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4435 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4440 /* 0xb256 undefined */
4442 case 0xb257: /* CUSE - compare until substring equal [interruptible] */
4443 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4445 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4447 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4449 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4451 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4455 /* 0xb258-0xb25c undefined, privileged, or unsupported */
4457 case 0xb25d: /* CLST - compare logical string [partial] */
4458 case 0xb25e: /* SRST - search string [partial] */
4459 case 0xb9be: /* SRSTU - search string unicode [partial] */
4460 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4462 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4464 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4468 /* 0xb25f-0xb262 undefined */
4470 case 0xb263: /* CMPSC - compression call [interruptible] */
4471 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4472 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4473 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4474 if (record_full_arch_list_add_mem (oaddr, tmp))
4476 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4478 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4480 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4482 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4484 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
4486 /* DXC may be written */
4487 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4489 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4493 /* 0xb264-0xb277 undefined, privileged, or unsupported */
4495 case 0xb278: /* STCKE - store clock extended */
4496 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4497 if (record_full_arch_list_add_mem (oaddr, 16))
4499 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4503 /* 0xb279-0xb27b undefined or unsupported */
4504 /* 0xb27d-0xb298 undefined or privileged */
4506 case 0xb299: /* SRNM - set rounding mode */
4507 case 0xb2b8: /* SRNMB - set bfp rounding mode */
4508 case 0xb2b9: /* SRNMT - set dfp rounding mode */
4509 case 0xb29d: /* LFPC - load fpc */
4510 case 0xb2bd: /* LFAS - load fpc and signal */
4511 case 0xb384: /* SFPC - set fpc */
4512 case 0xb385: /* SFASR - set fpc and signal */
4513 case 0xb960: /* CGRT - compare and trap */
4514 case 0xb961: /* CLGRT - compare logical and trap */
4515 case 0xb972: /* CRT - compare and trap */
4516 case 0xb973: /* CLRT - compare logical and trap */
4517 /* fpc only - including possible DXC write for trapping insns */
4518 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4522 /* 0xb29a-0xb29b undefined */
4524 case 0xb29c: /* STFPC - store fpc */
4525 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4526 if (record_full_arch_list_add_mem (oaddr, 4))
4530 /* 0xb29e-0xb2a4 undefined */
4532 case 0xb2a5: /* TRE - translate extended [partial] */
4533 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4534 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4535 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4536 if (record_full_arch_list_add_mem (oaddr, tmp))
4538 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4540 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4542 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4546 case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */
4547 case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */
4548 case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */
4549 case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */
4550 case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */
4551 case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */
4552 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4553 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4554 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4555 if (record_full_arch_list_add_mem (oaddr, tmp))
4557 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4559 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4561 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4563 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4565 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4569 /* 0xb2a8-0xb2af undefined */
4571 case 0xb2b0: /* STFLE - store facility list extended */
4572 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4573 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
4575 if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1)))
4577 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM))
4579 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4583 /* 0xb2b1-0xb2b7 undefined or privileged */
4584 /* 0xb2ba-0xb2bc undefined */
4585 /* 0xb2be-0xb2e7 undefined */
4586 /* 0xb2e9-0xb2eb undefined */
4587 /* 0xb2ed-0xb2f7 undefined */
4588 /* 0xb2f8 unsupported: TEND */
4589 /* 0xb2f9 undefined */
4591 case 0xb2e8: /* PPA - perform processor assist */
4592 case 0xb2fa: /* NIAI - next instruction access intent */
4593 /* no visible effects */
4596 /* 0xb2fb undefined */
4597 /* 0xb2fc unsupported: TABORT */
4598 /* 0xb2fd-0xb2fe undefined */
4599 /* 0xb2ff unsupported: TRAP */
4601 case 0xb300: /* LPEBR - load positive */
4602 case 0xb301: /* LNEBR - load negative */
4603 case 0xb303: /* LCEBR - load complement */
4604 case 0xb310: /* LPDBR - load positive */
4605 case 0xb311: /* LNDBR - load negative */
4606 case 0xb313: /* LCDBR - load complement */
4607 case 0xb350: /* TBEDR - convert hfp to bfp */
4608 case 0xb351: /* TBDR - convert hfp to bfp */
4609 case 0xb358: /* THDER - convert bfp to hfp */
4610 case 0xb359: /* THDR - convert bfp to hfp */
4611 /* float destination + flags */
4612 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4614 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4618 case 0xb304: /* LDEBR - load lengthened */
4619 case 0xb30c: /* MDEBR - multiply */
4620 case 0xb30d: /* DEBR - divide */
4621 case 0xb314: /* SQEBR - square root */
4622 case 0xb315: /* SQDBR - square root */
4623 case 0xb317: /* MEEBR - multiply */
4624 case 0xb31c: /* MDBR - multiply */
4625 case 0xb31d: /* DDBR - divide */
4626 case 0xb344: /* LEDBRA - load rounded */
4627 case 0xb345: /* LDXBRA - load rounded */
4628 case 0xb346: /* LEXBRA - load rounded */
4629 case 0xb357: /* FIEBRA - load fp integer */
4630 case 0xb35f: /* FIDBRA - load fp integer */
4631 case 0xb390: /* CELFBR - convert from logical */
4632 case 0xb391: /* CDLFBR - convert from logical */
4633 case 0xb394: /* CEFBR - convert from fixed */
4634 case 0xb395: /* CDFBR - convert from fixed */
4635 case 0xb3a0: /* CELGBR - convert from logical */
4636 case 0xb3a1: /* CDLGBR - convert from logical */
4637 case 0xb3a4: /* CEGBR - convert from fixed */
4638 case 0xb3a5: /* CDGBR - convert from fixed */
4639 case 0xb3d0: /* MDTR - multiply */
4640 case 0xb3d1: /* DDTR - divide */
4641 case 0xb3d4: /* LDETR - load lengthened */
4642 case 0xb3d5: /* LEDTR - load lengthened */
4643 case 0xb3d7: /* FIDTR - load fp integer */
4644 case 0xb3dd: /* LDXTR - load lengthened */
4645 case 0xb3f1: /* CDGTR - convert from fixed */
4646 case 0xb3f2: /* CDUTR - convert from unsigned packed */
4647 case 0xb3f3: /* CDSTR - convert from signed packed */
4648 case 0xb3f5: /* QADTR - quantize */
4649 case 0xb3f7: /* RRDTR - reround */
4650 case 0xb951: /* CDFTR - convert from fixed */
4651 case 0xb952: /* CDLGTR - convert from logical */
4652 case 0xb953: /* CDLFTR - convert from logical */
4653 /* float destination + fpc */
4654 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4656 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4660 case 0xb305: /* LXDBR - load lengthened */
4661 case 0xb306: /* LXEBR - load lengthened */
4662 case 0xb307: /* MXDBR - multiply */
4663 case 0xb316: /* SQXBR - square root */
4664 case 0xb34c: /* MXBR - multiply */
4665 case 0xb34d: /* DXBR - divide */
4666 case 0xb347: /* FIXBRA - load fp integer */
4667 case 0xb392: /* CXLFBR - convert from logical */
4668 case 0xb396: /* CXFBR - convert from fixed */
4669 case 0xb3a2: /* CXLGBR - convert from logical */
4670 case 0xb3a6: /* CXGBR - convert from fixed */
4671 case 0xb3d8: /* MXTR - multiply */
4672 case 0xb3d9: /* DXTR - divide */
4673 case 0xb3dc: /* LXDTR - load lengthened */
4674 case 0xb3df: /* FIXTR - load fp integer */
4675 case 0xb3f9: /* CXGTR - convert from fixed */
4676 case 0xb3fa: /* CXUTR - convert from unsigned packed */
4677 case 0xb3fb: /* CXSTR - convert from signed packed */
4678 case 0xb3fd: /* QAXTR - quantize */
4679 case 0xb3ff: /* RRXTR - reround */
4680 case 0xb959: /* CXFTR - convert from fixed */
4681 case 0xb95a: /* CXLGTR - convert from logical */
4682 case 0xb95b: /* CXLFTR - convert from logical */
4683 /* float pair destination + fpc */
4684 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4686 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4688 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4692 case 0xb308: /* KEBR - compare and signal */
4693 case 0xb309: /* CEBR - compare */
4694 case 0xb318: /* KDBR - compare and signal */
4695 case 0xb319: /* CDBR - compare */
4696 case 0xb348: /* KXBR - compare and signal */
4697 case 0xb349: /* CXBR - compare */
4698 case 0xb3e0: /* KDTR - compare and signal */
4699 case 0xb3e4: /* CDTR - compare */
4700 case 0xb3e8: /* KXTR - compare and signal */
4701 case 0xb3ec: /* CXTR - compare */
4702 /* flags + fpc only */
4703 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4705 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4709 case 0xb302: /* LTEBR - load and test */
4710 case 0xb312: /* LTDBR - load and test */
4711 case 0xb30a: /* AEBR - add */
4712 case 0xb30b: /* SEBR - subtract */
4713 case 0xb31a: /* ADBR - add */
4714 case 0xb31b: /* SDBR - subtract */
4715 case 0xb3d2: /* ADTR - add */
4716 case 0xb3d3: /* SDTR - subtract */
4717 case 0xb3d6: /* LTDTR - load and test */
4718 /* float destination + flags + fpc */
4719 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4721 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4723 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4727 case 0xb30e: /* MAEBR - multiply and add */
4728 case 0xb30f: /* MSEBR - multiply and subtract */
4729 case 0xb31e: /* MADBR - multiply and add */
4730 case 0xb31f: /* MSDBR - multiply and subtract */
4731 /* float destination [RRD] + fpc */
4732 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4734 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4738 /* 0xb320-0xb323 undefined */
4739 /* 0xb327-0xb32d undefined */
4741 case 0xb32e: /* MAER - multiply and add */
4742 case 0xb32f: /* MSER - multiply and subtract */
4743 case 0xb338: /* MAYLR - multiply and add unnormalized */
4744 case 0xb339: /* MYLR - multiply unnormalized */
4745 case 0xb33c: /* MAYHR - multiply and add unnormalized */
4746 case 0xb33d: /* MYHR - multiply unnormalized */
4747 case 0xb33e: /* MADR - multiply and add */
4748 case 0xb33f: /* MSDR - multiply and subtract */
4749 /* float destination [RRD] */
4750 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4754 /* 0xb330-0xb335 undefined */
4756 case 0xb33a: /* MAYR - multiply and add unnormalized */
4757 case 0xb33b: /* MYR - multiply unnormalized */
4758 /* float pair destination [RRD] */
4759 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4761 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2)))
4765 case 0xb340: /* LPXBR - load positive */
4766 case 0xb341: /* LNXBR - load negative */
4767 case 0xb343: /* LCXBR - load complement */
4768 case 0xb360: /* LPXR - load positive */
4769 case 0xb361: /* LNXR - load negative */
4770 case 0xb362: /* LTXR - load and test */
4771 case 0xb363: /* LCXR - load complement */
4772 /* float pair destination + flags */
4773 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4775 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4777 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4781 case 0xb342: /* LTXBR - load and test */
4782 case 0xb34a: /* AXBR - add */
4783 case 0xb34b: /* SXBR - subtract */
4784 case 0xb3da: /* AXTR - add */
4785 case 0xb3db: /* SXTR - subtract */
4786 case 0xb3de: /* LTXTR - load and test */
4787 /* float pair destination + flags + fpc */
4788 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4790 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4792 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4794 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4798 /* 0xb34e-0xb34f undefined */
4799 /* 0xb352 undefined */
4801 case 0xb353: /* DIEBR - divide to integer */
4802 case 0xb35b: /* DIDBR - divide to integer */
4803 /* two float destinations + flags + fpc */
4804 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4806 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4808 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4810 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4814 /* 0xb354-0xb356 undefined */
4815 /* 0xb35a undefined */
4817 /* 0xb35c-0xb35e undefined */
4818 /* 0xb364 undefined */
4819 /* 0xb368 undefined */
4821 case 0xb369: /* CXR - compare */
4822 case 0xb3f4: /* CEDTR - compare biased exponent */
4823 case 0xb3fc: /* CEXTR - compare biased exponent */
4824 case 0xb920: /* CGR - compare */
4825 case 0xb921: /* CLGR - compare logical */
4826 case 0xb930: /* CGFR - compare */
4827 case 0xb931: /* CLGFR - compare logical */
4828 case 0xb9cd: /* CHHR - compare high */
4829 case 0xb9cf: /* CLHHR - compare logical high */
4830 case 0xb9dd: /* CHLR - compare high */
4831 case 0xb9df: /* CLHLR - compare logical high */
4833 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4837 /* 0xb36a-0xb36f undefined */
4838 /* 0xb377-0xb37e undefined */
4839 /* 0xb380-0xb383 undefined */
4840 /* 0xb386-0xb38b undefined */
4841 /* 0xb38d-0xb38f undefined */
4842 /* 0xb393 undefined */
4843 /* 0xb397 undefined */
4845 case 0xb398: /* CFEBR - convert to fixed */
4846 case 0xb399: /* CFDBR - convert to fixed */
4847 case 0xb39a: /* CFXBR - convert to fixed */
4848 case 0xb39c: /* CLFEBR - convert to logical */
4849 case 0xb39d: /* CLFDBR - convert to logical */
4850 case 0xb39e: /* CLFXBR - convert to logical */
4851 case 0xb941: /* CFDTR - convert to fixed */
4852 case 0xb949: /* CFXTR - convert to fixed */
4853 case 0xb943: /* CLFDTR - convert to logical */
4854 case 0xb94b: /* CLFXTR - convert to logical */
4855 /* 32-bit gpr destination + flags + fpc */
4856 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4858 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4860 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4864 /* 0xb39b undefined */
4865 /* 0xb39f undefined */
4867 /* 0xb3a3 undefined */
4868 /* 0xb3a7 undefined */
4870 case 0xb3a8: /* CGEBR - convert to fixed */
4871 case 0xb3a9: /* CGDBR - convert to fixed */
4872 case 0xb3aa: /* CGXBR - convert to fixed */
4873 case 0xb3ac: /* CLGEBR - convert to logical */
4874 case 0xb3ad: /* CLGDBR - convert to logical */
4875 case 0xb3ae: /* CLGXBR - convert to logical */
4876 case 0xb3e1: /* CGDTR - convert to fixed */
4877 case 0xb3e9: /* CGXTR - convert to fixed */
4878 case 0xb942: /* CLGDTR - convert to logical */
4879 case 0xb94a: /* CLGXTR - convert to logical */
4880 /* 64-bit gpr destination + flags + fpc */
4881 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
4883 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4885 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4889 /* 0xb3ab undefined */
4890 /* 0xb3af-0xb3b3 undefined */
4891 /* 0xb3b7 undefined */
4893 case 0xb3b8: /* CFER - convert to fixed */
4894 case 0xb3b9: /* CFDR - convert to fixed */
4895 case 0xb3ba: /* CFXR - convert to fixed */
4896 case 0xb998: /* ALCR - add logical with carry */
4897 case 0xb999: /* SLBR - subtract logical with borrow */
4898 case 0xb9f4: /* NRK - and */
4899 case 0xb9f6: /* ORK - or */
4900 case 0xb9f7: /* XRK - xor */
4901 case 0xb9f8: /* ARK - add */
4902 case 0xb9f9: /* SRK - subtract */
4903 case 0xb9fa: /* ALRK - add logical */
4904 case 0xb9fb: /* SLRK - subtract logical */
4905 /* 32-bit gpr destination + flags */
4906 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4908 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4912 case 0xb3c8: /* CGER - convert to fixed */
4913 case 0xb3c9: /* CGDR - convert to fixed */
4914 case 0xb3ca: /* CGXR - convert to fixed */
4915 case 0xb900: /* LPGR - load positive */
4916 case 0xb901: /* LNGR - load negative */
4917 case 0xb902: /* LTGR - load and test */
4918 case 0xb903: /* LCGR - load complement */
4919 case 0xb908: /* AGR - add */
4920 case 0xb909: /* SGR - subtract */
4921 case 0xb90a: /* ALGR - add logical */
4922 case 0xb90b: /* SLGR - subtract logical */
4923 case 0xb910: /* LPGFR - load positive */
4924 case 0xb911: /* LNGFR - load negative */
4925 case 0xb912: /* LTGFR - load and test */
4926 case 0xb913: /* LCGFR - load complement */
4927 case 0xb918: /* AGFR - add */
4928 case 0xb919: /* SGFR - subtract */
4929 case 0xb91a: /* ALGFR - add logical */
4930 case 0xb91b: /* SLGFR - subtract logical */
4931 case 0xb980: /* NGR - and */
4932 case 0xb981: /* OGR - or */
4933 case 0xb982: /* XGR - xor */
4934 case 0xb988: /* ALCGR - add logical with carry */
4935 case 0xb989: /* SLBGR - subtract logical with borrow */
4936 case 0xb9e1: /* POPCNT - population count */
4937 case 0xb9e4: /* NGRK - and */
4938 case 0xb9e6: /* OGRK - or */
4939 case 0xb9e7: /* XGRK - xor */
4940 case 0xb9e8: /* AGRK - add */
4941 case 0xb9e9: /* SGRK - subtract */
4942 case 0xb9ea: /* ALGRK - add logical */
4943 case 0xb9eb: /* SLGRK - subtract logical */
4944 /* 64-bit gpr destination + flags */
4945 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
4947 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4951 /* 0xb3bb-0xb3c0 undefined */
4952 /* 0xb3c2-0xb3c3 undefined */
4953 /* 0xb3c7 undefined */
4954 /* 0xb3cb-0xb3cc undefined */
4956 case 0xb3cd: /* LGDR - load gr from fpr */
4957 case 0xb3e2: /* CUDTR - convert to unsigned packed */
4958 case 0xb3e3: /* CSDTR - convert to signed packed */
4959 case 0xb3e5: /* EEDTR - extract biased exponent */
4960 case 0xb3e7: /* ESDTR - extract significance */
4961 case 0xb3ed: /* EEXTR - extract biased exponent */
4962 case 0xb3ef: /* ESXTR - extract significance */
4963 case 0xb904: /* LGR - load */
4964 case 0xb906: /* LGBR - load byte */
4965 case 0xb907: /* LGHR - load halfword */
4966 case 0xb90c: /* MSGR - multiply single */
4967 case 0xb90f: /* LRVGR - load reversed */
4968 case 0xb914: /* LGFR - load */
4969 case 0xb916: /* LLGFR - load logical */
4970 case 0xb917: /* LLGTR - load logical thirty one bits */
4971 case 0xb91c: /* MSGFR - load */
4972 case 0xb946: /* BCTGR - branch on count */
4973 case 0xb984: /* LLGCR - load logical character */
4974 case 0xb985: /* LLGHR - load logical halfword */
4975 case 0xb9e2: /* LOCGR - load on condition */
4976 /* 64-bit gpr destination */
4977 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
4981 /* 0xb3ce-0xb3cf undefined */
4982 /* 0xb3e6 undefined */
4984 case 0xb3ea: /* CUXTR - convert to unsigned packed */
4985 case 0xb3eb: /* CSXTR - convert to signed packed */
4986 case 0xb90d: /* DSGR - divide single */
4987 case 0xb91d: /* DSGFR - divide single */
4988 case 0xb986: /* MLGR - multiply logical */
4989 case 0xb987: /* DLGR - divide logical */
4990 /* 64-bit gpr pair destination */
4991 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
4993 if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
4997 /* 0xb3ee undefined */
4998 /* 0xb3f0 undefined */
4999 /* 0xb3f8 undefined */
5001 /* 0xb905 privileged */
5003 /* 0xb90e unsupported: EREGG */
5005 /* 0xb915 undefined */
5007 case 0xb91e: /* KMAC - compute message authentication code [partial] */
5008 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5009 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5010 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5014 case 0x00: /* KMAC-Query */
5015 if (record_full_arch_list_add_mem (oaddr, 16))
5019 case 0x01: /* KMAC-DEA */
5020 case 0x02: /* KMAC-TDEA-128 */
5021 case 0x03: /* KMAC-TDEA-192 */
5022 case 0x09: /* KMAC-Encrypted-DEA */
5023 case 0x0a: /* KMAC-Encrypted-TDEA-128 */
5024 case 0x0b: /* KMAC-Encrypted-TDEA-192 */
5025 if (record_full_arch_list_add_mem (oaddr, 8))
5029 case 0x12: /* KMAC-AES-128 */
5030 case 0x13: /* KMAC-AES-192 */
5031 case 0x14: /* KMAC-AES-256 */
5032 case 0x1a: /* KMAC-Encrypted-AES-128 */
5033 case 0x1b: /* KMAC-Encrypted-AES-192 */
5034 case 0x1c: /* KMAC-Encrypted-AES-256 */
5035 if (record_full_arch_list_add_mem (oaddr, 16))
5040 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
5041 (int)tmp, paddress (gdbarch, addr));
5046 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5048 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5051 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5055 /* 0xb922-0xb924 undefined */
5056 /* 0xb925 privileged */
5057 /* 0xb928 privileged */
5058 /* 0xb929 undefined */
5060 case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */
5061 case 0xb92b: /* KMO - cipher message with output feedback [partial] */
5062 case 0xb92f: /* KMC - cipher message with chaining [partial] */
5063 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5064 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5065 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5069 case 0x00: /* KM*-Query */
5070 if (record_full_arch_list_add_mem (oaddr, 16))
5074 case 0x01: /* KM*-DEA */
5075 case 0x02: /* KM*-TDEA-128 */
5076 case 0x03: /* KM*-TDEA-192 */
5077 case 0x09: /* KM*-Encrypted-DEA */
5078 case 0x0a: /* KM*-Encrypted-TDEA-128 */
5079 case 0x0b: /* KM*-Encrypted-TDEA-192 */
5080 if (record_full_arch_list_add_mem (oaddr, 8))
5084 case 0x12: /* KM*-AES-128 */
5085 case 0x13: /* KM*-AES-192 */
5086 case 0x14: /* KM*-AES-256 */
5087 case 0x1a: /* KM*-Encrypted-AES-128 */
5088 case 0x1b: /* KM*-Encrypted-AES-192 */
5089 case 0x1c: /* KM*-Encrypted-AES-256 */
5090 if (record_full_arch_list_add_mem (oaddr, 16))
5094 case 0x43: /* KMC-PRNG */
5095 /* Only valid for KMC. */
5096 if (insn[0] == 0xb92f)
5098 if (record_full_arch_list_add_mem (oaddr, 8))
5102 /* For other instructions, fallthru. */
5104 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n",
5105 (int)tmp, paddress (gdbarch, addr));
5110 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5111 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5112 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5113 if (record_full_arch_list_add_mem (oaddr2, tmp))
5115 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5117 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5119 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5122 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5126 case 0xb92c: /* PCC - perform cryptographic computation [partial] */
5127 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5128 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5129 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5133 case 0x00: /* PCC-Query */
5134 if (record_full_arch_list_add_mem (oaddr, 16))
5138 case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */
5139 case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */
5140 case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */
5141 case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */
5142 case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */
5143 case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */
5144 if (record_full_arch_list_add_mem (oaddr + 0x10, 8))
5148 case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */
5149 case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */
5150 case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */
5151 case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */
5152 case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */
5153 case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */
5154 if (record_full_arch_list_add_mem (oaddr + 0x18, 16))
5158 case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */
5159 if (record_full_arch_list_add_mem (oaddr + 0x30, 32))
5163 case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */
5164 if (record_full_arch_list_add_mem (oaddr + 0x40, 32))
5168 case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */
5169 if (record_full_arch_list_add_mem (oaddr + 0x50, 32))
5173 case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */
5174 if (record_full_arch_list_add_mem (oaddr + 0x60, 32))
5179 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n",
5180 (int)tmp, paddress (gdbarch, addr));
5183 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5187 case 0xb92d: /* KMCTR - cipher message with counter [partial] */
5188 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5189 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5190 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5194 case 0x00: /* KMCTR-Query */
5195 if (record_full_arch_list_add_mem (oaddr, 16))
5199 case 0x01: /* KMCTR-DEA */
5200 case 0x02: /* KMCTR-TDEA-128 */
5201 case 0x03: /* KMCTR-TDEA-192 */
5202 case 0x09: /* KMCTR-Encrypted-DEA */
5203 case 0x0a: /* KMCTR-Encrypted-TDEA-128 */
5204 case 0x0b: /* KMCTR-Encrypted-TDEA-192 */
5205 case 0x12: /* KMCTR-AES-128 */
5206 case 0x13: /* KMCTR-AES-192 */
5207 case 0x14: /* KMCTR-AES-256 */
5208 case 0x1a: /* KMCTR-Encrypted-AES-128 */
5209 case 0x1b: /* KMCTR-Encrypted-AES-192 */
5210 case 0x1c: /* KMCTR-Encrypted-AES-256 */
5214 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n",
5215 (int)tmp, paddress (gdbarch, addr));
5220 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5221 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5222 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5223 if (record_full_arch_list_add_mem (oaddr2, tmp))
5225 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5227 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5229 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5231 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4]))
5234 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5238 case 0xb92e: /* KM - cipher message [partial] */
5239 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5240 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5241 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5245 case 0x00: /* KM-Query */
5246 if (record_full_arch_list_add_mem (oaddr, 16))
5250 case 0x01: /* KM-DEA */
5251 case 0x02: /* KM-TDEA-128 */
5252 case 0x03: /* KM-TDEA-192 */
5253 case 0x09: /* KM-Encrypted-DEA */
5254 case 0x0a: /* KM-Encrypted-TDEA-128 */
5255 case 0x0b: /* KM-Encrypted-TDEA-192 */
5256 case 0x12: /* KM-AES-128 */
5257 case 0x13: /* KM-AES-192 */
5258 case 0x14: /* KM-AES-256 */
5259 case 0x1a: /* KM-Encrypted-AES-128 */
5260 case 0x1b: /* KM-Encrypted-AES-192 */
5261 case 0x1c: /* KM-Encrypted-AES-256 */
5264 case 0x32: /* KM-XTS-AES-128 */
5265 if (record_full_arch_list_add_mem (oaddr + 0x10, 16))
5269 case 0x34: /* KM-XTS-AES-256 */
5270 if (record_full_arch_list_add_mem (oaddr + 0x20, 16))
5274 case 0x3a: /* KM-XTS-Encrypted-AES-128 */
5275 if (record_full_arch_list_add_mem (oaddr + 0x30, 16))
5279 case 0x3c: /* KM-XTS-Encrypted-AES-256 */
5280 if (record_full_arch_list_add_mem (oaddr + 0x40, 16))
5285 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n",
5286 (int)tmp, paddress (gdbarch, addr));
5291 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5292 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5293 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5294 if (record_full_arch_list_add_mem (oaddr2, tmp))
5296 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5298 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5300 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5303 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5307 /* 0xb932-0xb93b undefined */
5309 case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */
5310 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5311 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5312 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5316 case 0x00: /* PPNO-Query */
5317 case 0x80: /* PPNO-Query */
5318 if (record_full_arch_list_add_mem (oaddr, 16))
5322 case 0x03: /* PPNO-SHA-512-DRNG - generate */
5323 if (record_full_arch_list_add_mem (oaddr, 240))
5325 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5326 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5327 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
5328 if (record_full_arch_list_add_mem (oaddr2, tmp))
5330 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5332 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5336 case 0x83: /* PPNO-SHA-512-DRNG - seed */
5337 if (record_full_arch_list_add_mem (oaddr, 240))
5339 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5341 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5346 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n",
5347 (int)tmp, paddress (gdbarch, addr));
5350 /* DXC may be written */
5351 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5353 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5357 /* 0xb93d undefined */
5359 case 0xb93e: /* KIMD - compute intermediate message digest [partial] */
5360 case 0xb93f: /* KLMD - compute last message digest [partial] */
5361 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5362 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5363 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5367 case 0x00: /* K*MD-Query */
5368 if (record_full_arch_list_add_mem (oaddr, 16))
5372 case 0x01: /* K*MD-SHA-1 */
5373 if (record_full_arch_list_add_mem (oaddr, 20))
5377 case 0x02: /* K*MD-SHA-256 */
5378 if (record_full_arch_list_add_mem (oaddr, 32))
5382 case 0x03: /* K*MD-SHA-512 */
5383 if (record_full_arch_list_add_mem (oaddr, 64))
5387 case 0x41: /* KIMD-GHASH */
5388 /* Only valid for KIMD. */
5389 if (insn[0] == 0xb93e)
5391 if (record_full_arch_list_add_mem (oaddr, 16))
5395 /* For KLMD, fallthru. */
5397 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
5398 (int)tmp, paddress (gdbarch, addr));
5403 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5405 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5408 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5412 /* 0xb940 undefined */
5413 /* 0xb944-0xb945 undefined */
5414 /* 0xb947-0xb948 undefined */
5415 /* 0xb94c-0xb950 undefined */
5416 /* 0xb954-0xb958 undefined */
5417 /* 0xb95c-0xb95f undefined */
5418 /* 0xb962-0xb971 undefined */
5419 /* 0xb974-0xb97f undefined */
5421 case 0xb983: /* FLOGR - find leftmost one */
5422 /* 64-bit gpr pair destination + flags */
5423 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5425 if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
5427 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5431 /* 0xb98a privileged */
5432 /* 0xb98b-0xb98c undefined */
5434 case 0xb98d: /* EPSW - extract psw */
5435 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5438 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5442 /* 0xb98e-0xb98f privileged */
5444 case 0xb990: /* TRTT - translate two to two [partial] */
5445 case 0xb991: /* TRTO - translate two to one [partial] */
5446 case 0xb992: /* TROT - translate one to two [partial] */
5447 case 0xb993: /* TROO - translate one to one [partial] */
5448 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5449 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5450 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
5451 /* tmp is source length, we want destination length. Adjust. */
5452 if (insn[0] == 0xb991)
5454 if (insn[0] == 0xb992)
5456 if (record_full_arch_list_add_mem (oaddr, tmp))
5458 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5460 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5462 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5464 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5468 case 0xb996: /* MLR - multiply logical */
5469 case 0xb997: /* DLR - divide logical */
5470 /* 32-bit gpr pair destination */
5471 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5473 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5477 /* 0xb99a-0xb9af unsupported, privileged, or undefined */
5478 /* 0xb9b4-0xb9bc undefined */
5480 case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */
5481 case 0xb9bf: /* TRTE - translate and test extended [partial] */
5482 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5484 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5486 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5488 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5492 /* 0xb9c0-0xb9c7 undefined */
5494 case 0xb9c8: /* AHHHR - add high */
5495 case 0xb9c9: /* SHHHR - subtract high */
5496 case 0xb9ca: /* ALHHHR - add logical high */
5497 case 0xb9cb: /* SLHHHR - subtract logical high */
5498 case 0xb9d8: /* AHHLR - add high */
5499 case 0xb9d9: /* SHHLR - subtract high */
5500 case 0xb9da: /* ALHHLR - add logical high */
5501 case 0xb9db: /* SLHHLR - subtract logical high */
5502 /* 32-bit high gpr destination + flags */
5503 if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
5505 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5509 /* 0xb9cc undefined */
5510 /* 0xb9ce undefined */
5511 /* 0xb9d0-0xb9d7 undefined */
5512 /* 0xb9dc undefined */
5513 /* 0xb9de undefined */
5515 case 0xb9e0: /* LOCFHR - load high on condition */
5516 /* 32-bit high gpr destination */
5517 if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
5521 /* 0xb9e3 undefined */
5522 /* 0xb9e5 undefined */
5523 /* 0xb9ec-0xb9f1 undefined */
5524 /* 0xb9f3 undefined */
5525 /* 0xb9f5 undefined */
5526 /* 0xb9fc-0xb9ff undefined */
5533 /* 0xb4-0xb5 undefined */
5534 /* 0xb6 privileged: STCTL - store control */
5535 /* 0xb7 privileged: LCTL - load control */
5536 /* 0xb8 undefined */
5538 case 0xba: /* CS - compare and swap */
5539 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5540 if (record_full_arch_list_add_mem (oaddr, 4))
5542 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5544 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5548 case 0xbb: /* CDS - compare double and swap */
5549 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5550 if (record_full_arch_list_add_mem (oaddr, 8))
5552 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5554 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
5556 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5560 /* 0xbc undefined */
5562 case 0xbe: /* STCM - store characters under mask */
5563 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5564 if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
5573 /* RIL-format instruction */
5574 switch (ibyte[0] << 4 | inib[3])
5576 case 0xc00: /* LARL - load address relative long */
5577 case 0xc05: /* BRASL - branch relative and save long */
5578 case 0xc09: /* IILF - insert immediate */
5579 case 0xc21: /* MSFI - multiply single immediate */
5580 case 0xc42: /* LLHRL - load logical halfword relative long */
5581 case 0xc45: /* LHRL - load halfword relative long */
5582 case 0xc4d: /* LRL - load relative long */
5583 /* 32-bit or native gpr destination */
5584 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5588 case 0xc01: /* LGFI - load immediate */
5589 case 0xc0e: /* LLIHF - load logical immediate */
5590 case 0xc0f: /* LLILF - load logical immediate */
5591 case 0xc20: /* MSGFI - multiply single immediate */
5592 case 0xc44: /* LGHRL - load halfword relative long */
5593 case 0xc46: /* LLGHRL - load logical halfword relative long */
5594 case 0xc48: /* LGRL - load relative long */
5595 case 0xc4c: /* LGFRL - load relative long */
5596 case 0xc4e: /* LLGFRL - load logical relative long */
5597 /* 64-bit gpr destination */
5598 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5602 /* 0xc02-0xc03 undefined */
5604 case 0xc04: /* BRCL - branch relative on condition long */
5605 case 0xc62: /* PFDRL - prefetch data relative long */
5608 case 0xc06: /* XIHF - xor immediate */
5609 case 0xc0a: /* NIHF - and immediate */
5610 case 0xc0c: /* OIHF - or immediate */
5611 case 0xcc8: /* AIH - add immediate high */
5612 case 0xcca: /* ALSIH - add logical with signed immediate high */
5613 /* 32-bit high gpr destination + flags */
5614 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
5616 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5620 case 0xc07: /* XILF - xor immediate */
5621 case 0xc0b: /* NILF - and immediate */
5622 case 0xc0d: /* OILF - or immediate */
5623 case 0xc25: /* SLFI - subtract logical immediate */
5624 case 0xc29: /* AFI - add immediate */
5625 case 0xc2b: /* ALFI - add logical immediate */
5626 /* 32-bit gpr destination + flags */
5627 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5629 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5633 case 0xc08: /* IIHF - insert immediate */
5634 case 0xcc6: /* BRCTH - branch relative on count high */
5635 case 0xccb: /* ALSIHN - add logical with signed immediate high */
5636 /* 32-bit high gpr destination */
5637 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
5641 /* 0xc22-0xc23 undefined */
5643 case 0xc24: /* SLGFI - subtract logical immediate */
5644 case 0xc28: /* AGFI - add immediate */
5645 case 0xc2a: /* ALGFI - add logical immediate */
5646 /* 64-bit gpr destination + flags */
5647 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5649 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5653 /* 0xc26-0xc27 undefined */
5655 case 0xc2c: /* CGFI - compare immediate */
5656 case 0xc2d: /* CFI - compare immediate */
5657 case 0xc2e: /* CLGFI - compare logical immediate */
5658 case 0xc2f: /* CLFI - compare logical immediate */
5659 case 0xc64: /* CGHRL - compare halfword relative long */
5660 case 0xc65: /* CHRL - compare halfword relative long */
5661 case 0xc66: /* CLGHRL - compare logical halfword relative long */
5662 case 0xc67: /* CLHRL - compare logical halfword relative long */
5663 case 0xc68: /* CGRL - compare relative long */
5664 case 0xc6a: /* CLGRL - compare logical relative long */
5665 case 0xc6c: /* CGFRL - compare relative long */
5666 case 0xc6d: /* CRL - compare relative long */
5667 case 0xc6e: /* CLGFRL - compare logical relative long */
5668 case 0xc6f: /* CLRL - compare logical relative long */
5669 case 0xccd: /* CIH - compare immediate high */
5670 case 0xccf: /* CLIH - compare logical immediate high */
5672 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5676 /* 0xc40-0xc41 undefined */
5677 /* 0xc43 undefined */
5679 case 0xc47: /* STHRL - store halfword relative long */
5680 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5681 if (record_full_arch_list_add_mem (oaddr, 2))
5685 /* 0xc49-0xc4a undefined */
5687 case 0xc4b: /* STGRL - store relative long */
5688 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5689 if (record_full_arch_list_add_mem (oaddr, 8))
5693 case 0xc4f: /* STRL - store relative long */
5694 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5695 if (record_full_arch_list_add_mem (oaddr, 4))
5699 case 0xc60: /* EXRL - execute relative long */
5702 fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
5703 paddress (gdbarch, addr));
5706 addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5709 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
5718 /* 0xc61 undefined */
5719 /* 0xc63 undefined */
5720 /* 0xc69 undefined */
5721 /* 0xc6b undefined */
5722 /* 0xcc0-0xcc5 undefined */
5723 /* 0xcc7 undefined */
5724 /* 0xcc9 undefined */
5725 /* 0xccc undefined */
5726 /* 0xcce undefined */
5733 /* 0xc1 undefined */
5734 /* 0xc3 undefined */
5736 case 0xc5: /* BPRP - branch prediction relative preload */
5737 case 0xc7: /* BPP - branch prediction preload */
5738 /* no visible effect */
5742 /* SSF-format instruction */
5743 switch (ibyte[0] << 4 | inib[3])
5745 /* 0xc80 unsupported */
5747 case 0xc81: /* ECTG - extract cpu time */
5748 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5750 if (s390_record_gpr_g (gdbarch, regcache, 0))
5752 if (s390_record_gpr_g (gdbarch, regcache, 1))
5756 case 0xc82: /* CSST - compare and swap and store */
5759 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5761 sc = tmp >> 8 & 0xff;
5763 /* First and third operands. */
5764 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5767 case 0x00: /* 32-bit */
5768 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5770 if (record_full_arch_list_add_mem (oaddr, 4))
5774 case 0x01: /* 64-bit */
5775 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5777 if (record_full_arch_list_add_mem (oaddr, 8))
5781 case 0x02: /* 128-bit */
5782 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5784 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
5786 if (record_full_arch_list_add_mem (oaddr, 16))
5791 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
5792 fc, paddress (gdbarch, addr));
5796 /* Second operand. */
5797 oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
5800 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
5801 sc, paddress (gdbarch, addr));
5805 if (record_full_arch_list_add_mem (oaddr2, 1 << sc))
5809 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5814 /* 0xc83 undefined */
5816 case 0xc84: /* LPD - load pair disjoint */
5817 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5819 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
5821 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5825 case 0xc85: /* LPDG - load pair disjoint */
5826 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5828 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
5830 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5834 /* 0xc86-0xc8f undefined */
5841 /* 0xc9-0xcb undefined */
5842 /* 0xcd-0xcf undefined */
5844 case 0xd0: /* TRTR - translate and test reversed */
5845 case 0xdd: /* TRT - translate and test */
5846 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
5848 if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
5850 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5854 case 0xd1: /* MVN - move numbers */
5855 case 0xd2: /* MVC - move */
5856 case 0xd3: /* MVZ - move zones */
5857 case 0xdc: /* TR - translate */
5858 case 0xe8: /* MVCIN - move inverse */
5859 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5860 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5864 case 0xd4: /* NC - and */
5865 case 0xd6: /* OC - or*/
5866 case 0xd7: /* XC - xor */
5867 case 0xe2: /* UNPKU - unpack unicode */
5868 case 0xea: /* UNPKA - unpack ASCII */
5869 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5870 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5872 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5876 case 0xde: /* ED - edit */
5877 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5878 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5880 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5882 /* DXC may be written */
5883 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5887 case 0xdf: /* EDMK - edit and mark */
5888 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5889 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5891 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
5893 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5895 /* DXC may be written */
5896 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5900 /* 0xd8 undefined */
5901 /* 0xd9 unsupported: MVCK - move with key */
5902 /* 0xda unsupported: MVCP - move to primary */
5903 /* 0xdb unsupported: MVCS - move to secondary */
5904 /* 0xe0 undefined */
5906 case 0xe1: /* PKU - pack unicode */
5907 case 0xe9: /* PKA - pack ASCII */
5908 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5909 if (record_full_arch_list_add_mem (oaddr, 16))
5917 /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */
5918 switch (ibyte[0] << 8 | ibyte[5])
5920 /* 0xe300-0xe301 undefined */
5922 case 0xe302: /* LTG - load and test */
5923 case 0xe308: /* AG - add */
5924 case 0xe309: /* SG - subtract */
5925 case 0xe30a: /* ALG - add logical */
5926 case 0xe30b: /* SLG - subtract logical */
5927 case 0xe318: /* AGF - add */
5928 case 0xe319: /* SGF - subtract */
5929 case 0xe31a: /* ALGF - add logical */
5930 case 0xe31b: /* SLGF - subtract logical */
5931 case 0xe332: /* LTGF - load and test */
5932 case 0xe380: /* NG - and */
5933 case 0xe381: /* OG - or */
5934 case 0xe382: /* XG - xor */
5935 case 0xe388: /* ALCG - add logical with carry */
5936 case 0xe389: /* SLBG - subtract logical with borrow */
5937 case 0xeb0a: /* SRAG - shift right single */
5938 case 0xeb0b: /* SLAG - shift left single */
5939 /* 64-bit gpr destination + flags */
5940 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5942 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5946 /* 0xe303 privileged */
5948 case 0xe304: /* LG - load */
5949 case 0xe30c: /* MSG - multiply single */
5950 case 0xe30f: /* LRVG - load reversed */
5951 case 0xe314: /* LGF - load */
5952 case 0xe315: /* LGH - load halfword */
5953 case 0xe316: /* LLGF - load logical */
5954 case 0xe317: /* LLGT - load logical thirty one bits */
5955 case 0xe31c: /* MSGF - multiply single */
5956 case 0xe32a: /* LZRG - load and zero rightmost byte */
5957 case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */
5958 case 0xe346: /* BCTG - branch on count */
5959 case 0xe377: /* LGB - load byte */
5960 case 0xe390: /* LLGC - load logical character */
5961 case 0xe391: /* LLGH - load logical halfword */
5962 case 0xeb0c: /* SRLG - shift right single logical */
5963 case 0xeb0d: /* SLLG - shift left single logical */
5964 case 0xeb1c: /* RLLG - rotate left single logical */
5965 case 0xeb44: /* BXHG - branch on index high */
5966 case 0xeb45: /* BXLEG - branch on index low or equal */
5967 case 0xeb4c: /* ECAG - extract cpu attribute */
5968 case 0xebe2: /* LOCG - load on condition */
5969 /* 64-bit gpr destination */
5970 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5974 /* 0xe305 undefined */
5976 case 0xe306: /* CVBY - convert to binary */
5977 /* 32-bit or native gpr destination + FPC (DXC write) */
5978 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5980 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5984 /* 0xe307 undefined */
5986 case 0xe30d: /* DSG - divide single */
5987 case 0xe31d: /* DSGF - divide single */
5988 case 0xe386: /* MLG - multiply logical */
5989 case 0xe387: /* DLG - divide logical */
5990 case 0xe38f: /* LPQ - load pair from quadword */
5991 /* 64-bit gpr pair destination */
5992 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5994 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
5998 case 0xe30e: /* CVBG - convert to binary */
5999 /* 64-bit gpr destination + FPC (DXC write) */
6000 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6002 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6006 /* 0xe310-0xe311 undefined */
6008 case 0xe312: /* LT - load and test */
6009 case 0xe354: /* NY - and */
6010 case 0xe356: /* OY - or */
6011 case 0xe357: /* XY - xor */
6012 case 0xe35a: /* AY - add */
6013 case 0xe35b: /* SY - subtract */
6014 case 0xe35e: /* ALY - add logical */
6015 case 0xe35f: /* SLY - subtract logical */
6016 case 0xe37a: /* AHY - add halfword */
6017 case 0xe37b: /* SHY - subtract halfword */
6018 case 0xe398: /* ALC - add logical with carry */
6019 case 0xe399: /* SLB - subtract logical with borrow */
6020 case 0xe727: /* LCBB - load count to block bounduary */
6021 case 0xeb81: /* ICMY - insert characters under mask */
6022 case 0xebdc: /* SRAK - shift left single */
6023 case 0xebdd: /* SLAK - shift left single */
6024 /* 32-bit gpr destination + flags */
6025 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6027 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6031 /* 0xe313 privileged */
6033 case 0xe31e: /* LRV - load reversed */
6034 case 0xe31f: /* LRVH - load reversed */
6035 case 0xe33b: /* LZRF - load and zero rightmost byte */
6036 case 0xe351: /* MSY - multiply single */
6037 case 0xe358: /* LY - load */
6038 case 0xe371: /* LAY - load address */
6039 case 0xe373: /* ICY - insert character */
6040 case 0xe376: /* LB - load byte */
6041 case 0xe378: /* LHY - load */
6042 case 0xe37c: /* MHY - multiply halfword */
6043 case 0xe394: /* LLC - load logical character */
6044 case 0xe395: /* LLH - load logical halfword */
6045 case 0xeb1d: /* RLL - rotate left single logical */
6046 case 0xebde: /* SRLK - shift left single logical */
6047 case 0xebdf: /* SLLK - shift left single logical */
6048 case 0xebf2: /* LOC - load on condition */
6049 /* 32-bit or native gpr destination */
6050 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6054 case 0xe320: /* CG - compare */
6055 case 0xe321: /* CLG - compare logical */
6056 case 0xe330: /* CGF - compare */
6057 case 0xe331: /* CLGF - compare logical */
6058 case 0xe334: /* CGH - compare halfword */
6059 case 0xe355: /* CLY - compare logical */
6060 case 0xe359: /* CY - compare */
6061 case 0xe379: /* CHY - compare halfword */
6062 case 0xe3cd: /* CHF - compare high */
6063 case 0xe3cf: /* CLHF - compare logical high */
6064 case 0xeb20: /* CLMH - compare logical under mask high */
6065 case 0xeb21: /* CLMY - compare logical under mask */
6066 case 0xeb51: /* TMY - test under mask */
6067 case 0xeb55: /* CLIY - compare logical */
6068 case 0xebc0: /* TP - test decimal */
6069 case 0xed10: /* TCEB - test data class */
6070 case 0xed11: /* TCDB - test data class */
6071 case 0xed12: /* TCXB - test data class */
6072 case 0xed50: /* TDCET - test data class */
6073 case 0xed51: /* TDGET - test data group */
6074 case 0xed54: /* TDCDT - test data class */
6075 case 0xed55: /* TDGDT - test data group */
6076 case 0xed58: /* TDCXT - test data class */
6077 case 0xed59: /* TDGXT - test data group */
6079 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6083 /* 0xe322-0xe323 undefined */
6085 case 0xe324: /* STG - store */
6086 case 0xe325: /* NTSTG - nontransactional store */
6087 case 0xe326: /* CVDY - convert to decimal */
6088 case 0xe32f: /* STRVG - store reversed */
6089 case 0xebe3: /* STOCG - store on condition */
6090 case 0xed67: /* STDY - store */
6091 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6092 if (record_full_arch_list_add_mem (oaddr, 8))
6096 /* 0xe327-0xe329 undefined */
6097 /* 0xe32b-0xe32d undefined */
6099 case 0xe32e: /* CVDG - convert to decimal */
6100 case 0xe38e: /* STPQ - store pair to quadword */
6101 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6102 if (record_full_arch_list_add_mem (oaddr, 16))
6106 /* 0xe333 undefined */
6107 /* 0xe335 undefined */
6109 case 0xe336: /* PFD - prefetch data */
6112 /* 0xe337-0xe339 undefined */
6113 /* 0xe33c-0xe33d undefined */
6115 case 0xe33e: /* STRV - store reversed */
6116 case 0xe350: /* STY - store */
6117 case 0xe3cb: /* STFH - store high */
6118 case 0xebe1: /* STOCFH - store high on condition */
6119 case 0xebf3: /* STOC - store on condition */
6120 case 0xed66: /* STEY - store */
6121 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6122 if (record_full_arch_list_add_mem (oaddr, 4))
6126 case 0xe33f: /* STRVH - store reversed */
6127 case 0xe370: /* STHY - store halfword */
6128 case 0xe3c7: /* STHH - store halfword high */
6129 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6130 if (record_full_arch_list_add_mem (oaddr, 2))
6134 /* 0xe340-0xe345 undefined */
6135 /* 0xe347-0xe34f undefined */
6136 /* 0xe352-0xe353 undefined */
6138 case 0xe35c: /* MFY - multiply */
6139 case 0xe396: /* ML - multiply logical */
6140 case 0xe397: /* DL - divide logical */
6141 /* 32-bit gpr pair destination */
6142 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6144 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6148 /* 0xe35d undefined */
6149 /* 0xe360-0xe36f undefined */
6151 case 0xe372: /* STCY - store character */
6152 case 0xe3c3: /* STCH - store character high */
6153 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6154 if (record_full_arch_list_add_mem (oaddr, 1))
6158 /* 0xe374 undefined */
6160 case 0xe375: /* LAEY - load address extended */
6161 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6163 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
6167 /* 0xe37d-0xe37f undefined */
6168 /* 0xe383-0xe384 undefined */
6170 case 0xe385: /* LGAT - load and trap */
6171 case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */
6172 case 0xe39d: /* LLGFAT - load logical and trap */
6173 case 0xe721: /* VLGV - vector load gr from vr element */
6174 /* 64-bit gpr destination + fpc for possible DXC write */
6175 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6177 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6181 /* 0xe38a-0xe38d undefined */
6182 /* 0xe392-0xe393 undefined */
6183 /* 0xe39a-0xe39b undefined */
6184 /* 0xe39e undefined */
6186 case 0xe39f: /* LAT - load and trap */
6187 /* 32-bit gpr destination + fpc for possible DXC write */
6188 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6190 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6194 /* 0xe3a0-0xe3bf undefined */
6196 case 0xe3c0: /* LBH - load byte high */
6197 case 0xe3c2: /* LLCH - load logical character high */
6198 case 0xe3c4: /* LHH - load halfword high */
6199 case 0xe3c6: /* LLHH - load logical halfword high */
6200 case 0xe3ca: /* LFH - load high */
6201 case 0xebe0: /* LOCFH - load high on condition */
6202 /* 32-bit high gpr destination */
6203 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6207 /* 0xe3c1 undefined */
6208 /* 0xe3c5 undefined */
6210 case 0xe3c8: /* LFHAT - load high and trap */
6211 /* 32-bit high gpr destination + fpc for possible DXC write */
6212 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6214 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6218 /* 0xe3c9 undefined */
6219 /* 0xe3cc undefined */
6220 /* 0xe3ce undefined */
6221 /* 0xe3d0-0xe3ff undefined */
6223 case 0xe700: /* VLEB - vector load element */
6224 case 0xe701: /* VLEH - vector load element */
6225 case 0xe702: /* VLEG - vector load element */
6226 case 0xe703: /* VLEF - vector load element */
6227 case 0xe704: /* VLLEZ - vector load logical element and zero */
6228 case 0xe705: /* VLREP - vector load and replicate */
6229 case 0xe706: /* VL - vector load */
6230 case 0xe707: /* VLBB - vector load to block bounduary */
6231 case 0xe712: /* VGEG - vector gather element */
6232 case 0xe713: /* VGEF - vector gather element */
6233 case 0xe722: /* VLVG - vector load vr element from gr */
6234 case 0xe730: /* VESL - vector element shift left */
6235 case 0xe733: /* VERLL - vector element rotate left logical */
6236 case 0xe737: /* VLL - vector load with length */
6237 case 0xe738: /* VESRL - vector element shift right logical */
6238 case 0xe73a: /* VESRA - vector element shift right arithmetic */
6239 case 0xe740: /* VLEIB - vector load element immediate */
6240 case 0xe741: /* VLEIH - vector load element immediate */
6241 case 0xe742: /* VLEIG - vector load element immediate */
6242 case 0xe743: /* VLEIF - vector load element immediate */
6243 case 0xe744: /* VGBM - vector generate byte mask */
6244 case 0xe745: /* VREPI - vector replicate immediate */
6245 case 0xe746: /* VGM - vector generate mask */
6246 case 0xe74d: /* VREP - vector replicate */
6247 case 0xe750: /* VPOPCT - vector population count */
6248 case 0xe752: /* VCTZ - vector count trailing zeros */
6249 case 0xe753: /* VCLZ - vector count leading zeros */
6250 case 0xe756: /* VLR - vector load */
6251 case 0xe75f: /* VSEG -vector sign extend to doubleword */
6252 case 0xe760: /* VMRL - vector merge low */
6253 case 0xe761: /* VMRH - vector merge high */
6254 case 0xe762: /* VLVGP - vector load vr from grs disjoint */
6255 case 0xe764: /* VSUM - vector sum across word */
6256 case 0xe765: /* VSUMG - vector sum across doubleword */
6257 case 0xe766: /* VCKSM - vector checksum */
6258 case 0xe767: /* VSUMQ - vector sum across quadword */
6259 case 0xe768: /* VN - vector and */
6260 case 0xe769: /* VNC - vector and with complement */
6261 case 0xe76a: /* VO - vector or */
6262 case 0xe76b: /* VNO - vector nor */
6263 case 0xe76d: /* VX - vector xor */
6264 case 0xe770: /* VESLV - vector element shift left */
6265 case 0xe772: /* VERIM - vector element rotate and insert under mask */
6266 case 0xe773: /* VERLLV - vector element rotate left logical */
6267 case 0xe774: /* VSL - vector shift left */
6268 case 0xe775: /* VSLB - vector shift left by byte */
6269 case 0xe777: /* VSLDB - vector shift left double by byte */
6270 case 0xe778: /* VESRLV - vector element shift right logical */
6271 case 0xe77a: /* VESRAV - vector element shift right arithmetic */
6272 case 0xe77c: /* VSRL - vector shift right logical */
6273 case 0xe77d: /* VSRLB - vector shift right logical by byte */
6274 case 0xe77e: /* VSRA - vector shift right arithmetic */
6275 case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */
6276 case 0xe784: /* VPDI - vector permute doubleword immediate */
6277 case 0xe78c: /* VPERM - vector permute */
6278 case 0xe78d: /* VSEL - vector select */
6279 case 0xe78e: /* VFMS - vector fp multiply and subtract */
6280 case 0xe78f: /* VFMA - vector fp multiply and add */
6281 case 0xe794: /* VPK - vector pack */
6282 case 0xe7a1: /* VMLH - vector multiply logical high */
6283 case 0xe7a2: /* VML - vector multiply low */
6284 case 0xe7a3: /* VMH - vector multiply high */
6285 case 0xe7a4: /* VMLE - vector multiply logical even */
6286 case 0xe7a5: /* VMLO - vector multiply logical odd */
6287 case 0xe7a6: /* VME - vector multiply even */
6288 case 0xe7a7: /* VMO - vector multiply odd */
6289 case 0xe7a9: /* VMALH - vector multiply and add logical high */
6290 case 0xe7aa: /* VMAL - vector multiply and add low */
6291 case 0xe7ab: /* VMAH - vector multiply and add high */
6292 case 0xe7ac: /* VMALE - vector multiply and add logical even */
6293 case 0xe7ad: /* VMALO - vector multiply and add logical odd */
6294 case 0xe7ae: /* VMAE - vector multiply and add even */
6295 case 0xe7af: /* VMAO - vector multiply and add odd */
6296 case 0xe7b4: /* VGFM - vector Galois field multiply sum */
6297 case 0xe7b9: /* VACCC - vector add with carry compute carry */
6298 case 0xe7bb: /* VAC - vector add with carry */
6299 case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */
6300 case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */
6301 case 0xe7bf: /* VSBI - vector subtract with borrow indication */
6302 case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */
6303 case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */
6304 case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */
6305 case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */
6306 case 0xe7c4: /* VLDE - vector fp load lengthened */
6307 case 0xe7c5: /* VLED - vector fp load rounded */
6308 case 0xe7c7: /* VFI - vector load fp integer */
6309 case 0xe7cc: /* VFPSO - vector fp perform sign operation */
6310 case 0xe7ce: /* VFSQ - vector fp square root */
6311 case 0xe7d4: /* VUPLL - vector unpack logical low */
6312 case 0xe7d6: /* VUPL - vector unpack low */
6313 case 0xe7d5: /* VUPLH - vector unpack logical high */
6314 case 0xe7d7: /* VUPH - vector unpack high */
6315 case 0xe7de: /* VLC - vector load complement */
6316 case 0xe7df: /* VLP - vector load positive */
6317 case 0xe7e2: /* VFA - vector fp subtract */
6318 case 0xe7e3: /* VFA - vector fp add */
6319 case 0xe7e5: /* VFD - vector fp divide */
6320 case 0xe7e7: /* VFM - vector fp multiply */
6321 case 0xe7f0: /* VAVGL - vector average logical */
6322 case 0xe7f1: /* VACC - vector add and compute carry */
6323 case 0xe7f2: /* VAVG - vector average */
6324 case 0xe7f3: /* VA - vector add */
6325 case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */
6326 case 0xe7f7: /* VS - vector subtract */
6327 case 0xe7fc: /* VMNL - vector minimum logical */
6328 case 0xe7fd: /* VMXL - vector maximum logical */
6329 case 0xe7fe: /* VMN - vector minimum */
6330 case 0xe7ff: /* VMX - vector maximum */
6331 /* vector destination + FPC */
6332 if (s390_record_vr (gdbarch, regcache, ivec[0]))
6334 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6338 case 0xe708: /* VSTEB - vector store element */
6339 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6340 if (record_full_arch_list_add_mem (oaddr, 1))
6342 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6346 case 0xe709: /* VSTEH - vector store element */
6347 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6348 if (record_full_arch_list_add_mem (oaddr, 2))
6350 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6354 case 0xe70a: /* VSTEG - vector store element */
6355 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6356 if (record_full_arch_list_add_mem (oaddr, 8))
6358 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6362 case 0xe70b: /* VSTEF - vector store element */
6363 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6364 if (record_full_arch_list_add_mem (oaddr, 4))
6366 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6370 /* 0xe70c-0xe70d undefined */
6372 case 0xe70e: /* VST - vector store */
6373 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6374 if (record_full_arch_list_add_mem (oaddr, 16))
6376 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6380 /* 0xe70f-0xe711 undefined */
6381 /* 0xe714-0xe719 undefined */
6383 case 0xe71a: /* VSCEG - vector scatter element */
6384 if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr))
6386 if (record_full_arch_list_add_mem (oaddr, 8))
6388 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6392 case 0xe71b: /* VSCEF - vector scatter element */
6393 if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr))
6395 if (record_full_arch_list_add_mem (oaddr, 4))
6397 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6401 /* 0xe71c-0xe720 undefined */
6402 /* 0xe723-0xe726 undefined */
6403 /* 0xe728-0xe72f undefined */
6404 /* 0xe731-0xe732 undefined */
6405 /* 0xe734-0xe735 undefined */
6407 case 0xe736: /* VLM - vector load multiple */
6408 for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f)
6409 if (s390_record_vr (gdbarch, regcache, i))
6411 if (s390_record_vr (gdbarch, regcache, ivec[1]))
6413 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6417 /* 0xe739 undefined */
6418 /* 0xe73b-0xe73d undefined */
6420 case 0xe73e: /* VSTM - vector store multiple */
6421 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6422 if (ivec[0] <= ivec[1])
6423 n = ivec[1] - ivec[0] + 1;
6425 n = ivec[1] + 0x20 - ivec[0] + 1;
6426 if (record_full_arch_list_add_mem (oaddr, n * 16))
6428 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6432 case 0xe73f: /* VSTL - vector store with length */
6433 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6434 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp);
6438 if (record_full_arch_list_add_mem (oaddr, tmp))
6440 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6444 /* 0xe747-0xe749 undefined */
6446 case 0xe74a: /* VFTCI - vector fp test data class immediate */
6447 case 0xe75c: /* VISTR - vector isolate string */
6448 case 0xe780: /* VFEE - vector find element equal */
6449 case 0xe781: /* VFENE - vector find element not equal */
6450 case 0xe782: /* VFA - vector find any element equal */
6451 case 0xe78a: /* VSTRC - vector string range compare */
6452 case 0xe795: /* VPKLS - vector pack logical saturate */
6453 case 0xe797: /* VPKS - vector pack saturate */
6454 case 0xe7e8: /* VFCE - vector fp compare equal */
6455 case 0xe7ea: /* VFCHE - vector fp compare high or equal */
6456 case 0xe7eb: /* VFCE - vector fp compare high */
6457 case 0xe7f8: /* VCEQ - vector compare equal */
6458 case 0xe7f9: /* VCHL - vector compare high logical */
6459 case 0xe7fb: /* VCH - vector compare high */
6460 /* vector destination + flags + FPC */
6461 if (s390_record_vr (gdbarch, regcache, ivec[0]))
6463 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6465 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6469 /* 0xe74b-0xe74c undefined */
6470 /* 0xe74e-0xe74f undefined */
6471 /* 0xe751 undefined */
6472 /* 0xe754-0xe755 undefined */
6473 /* 0xe757-0xe75b undefined */
6474 /* 0xe75d-0xe75e undefined */
6475 /* 0xe763 undefined */
6476 /* 0xe76c undefined */
6477 /* 0xe76e-0xe76f undefined */
6478 /* 0xe771 undefined */
6479 /* 0xe776 undefined */
6480 /* 0xe779 undefined */
6481 /* 0xe77b undefined */
6482 /* 0xe783 undefined */
6483 /* 0xe785-0xe789 undefined */
6484 /* 0xe78b undefined */
6485 /* 0xe790-0xe793 undefined */
6486 /* 0xe796 undefined */
6487 /* 0xe798-0xe7a0 undefined */
6488 /* 0xe7a8 undefined */
6489 /* 0xe7b0-0xe7b3 undefined */
6490 /* 0xe7b5-0xe7b8 undefined */
6491 /* 0xe7ba undefined */
6492 /* 0xe7be undefined */
6493 /* 0xe7c6 undefined */
6494 /* 0xe7c8-0xe7c9 undefined */
6496 case 0xe7ca: /* WFK - vector fp compare and signal scalar */
6497 case 0xe7cb: /* WFC - vector fp compare scalar */
6498 case 0xe7d8: /* VTM - vector test under mask */
6499 case 0xe7d9: /* VECL - vector element compare logical */
6500 case 0xe7db: /* VEC - vector element compare */
6501 case 0xed08: /* KEB - compare and signal */
6502 case 0xed09: /* CEB - compare */
6503 case 0xed18: /* KDB - compare and signal */
6504 case 0xed19: /* CDB - compare */
6505 /* flags + fpc only */
6506 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6508 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6512 /* 0xe7cd undefined */
6513 /* 0xe7cf-0xe7d3 undefined */
6514 /* 0xe7da undefined */
6515 /* 0xe7dc-0xe7dd undefined */
6516 /* 0xe7e0-0xe7e1 undefined */
6517 /* 0xe7e4 undefined */
6518 /* 0xe7e6 undefined */
6519 /* 0xe7e9 undefined */
6520 /* 0xe7ec-0xe7ef undefined */
6521 /* 0xe7f4 undefined */
6522 /* 0xe7f6 undefined */
6523 /* 0xe7fa undefined */
6525 /* 0xeb00-0xeb03 undefined */
6527 case 0xeb04: /* LMG - load multiple */
6528 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6529 if (s390_record_gpr_g (gdbarch, regcache, i))
6531 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
6535 /* 0xeb05-0xeb09 undefined */
6536 /* 0xeb0e undefined */
6537 /* 0xeb0f privileged: TRACG */
6538 /* 0xeb10-0xeb13 undefined */
6540 case 0xeb14: /* CSY - compare and swap */
6541 case 0xebf4: /* LAN - load and and */
6542 case 0xebf6: /* LAO - load and or */
6543 case 0xebf7: /* LAX - load and xor */
6544 case 0xebf8: /* LAA - load and add */
6545 case 0xebfa: /* LAAL - load and add logical */
6546 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6547 if (record_full_arch_list_add_mem (oaddr, 4))
6549 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6551 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6555 /* 0xeb15-0xeb1b undefined */
6556 /* 0xeb1e-0xeb1f undefined */
6557 /* 0xeb22 undefined */
6559 case 0xeb23: /* CLT - compare logical and trap */
6560 case 0xeb2b: /* CLGT - compare logical and trap */
6561 /* fpc only - including possible DXC write for trapping insns */
6562 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6566 case 0xeb24: /* STMG - store multiple */
6567 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6568 if (inib[2] <= inib[3])
6569 n = inib[3] - inib[2] + 1;
6571 n = inib[3] + 0x10 - inib[2] + 1;
6572 if (record_full_arch_list_add_mem (oaddr, n * 8))
6576 /* 0xeb25 privileged */
6578 case 0xeb26: /* STMH - store multiple high */
6579 case 0xeb90: /* STMY - store multiple */
6580 case 0xeb9b: /* STAMY - store access multiple */
6581 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6582 if (inib[2] <= inib[3])
6583 n = inib[3] - inib[2] + 1;
6585 n = inib[3] + 0x10 - inib[2] + 1;
6586 if (record_full_arch_list_add_mem (oaddr, n * 4))
6590 /* 0xeb27-0xeb2a undefined */
6592 case 0xeb2c: /* STCMH - store characters under mask */
6593 case 0xeb2d: /* STCMY - store characters under mask */
6594 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6595 if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
6599 /* 0xeb2e undefined */
6600 /* 0xeb2f privileged */
6602 case 0xeb30: /* CSG - compare and swap */
6603 case 0xebe4: /* LANG - load and and */
6604 case 0xebe6: /* LAOG - load and or */
6605 case 0xebe7: /* LAXG - load and xor */
6606 case 0xebe8: /* LAAG - load and add */
6607 case 0xebea: /* LAALG - load and add logical */
6608 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6609 if (record_full_arch_list_add_mem (oaddr, 8))
6611 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6613 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6617 case 0xeb31: /* CDSY - compare double and swap */
6618 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6619 if (record_full_arch_list_add_mem (oaddr, 8))
6621 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6623 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6625 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6629 /* 0xeb32-0xeb3d undefined */
6631 case 0xeb3e: /* CDSG - compare double and swap */
6632 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6633 if (record_full_arch_list_add_mem (oaddr, 16))
6635 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6637 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
6639 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6643 /* 0xeb3f-0xeb43 undefined */
6644 /* 0xeb46-0xeb4b undefined */
6645 /* 0xeb4d-0xeb50 undefined */
6647 case 0xeb52: /* MVIY - move */
6648 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6649 if (record_full_arch_list_add_mem (oaddr, 1))
6653 case 0xeb54: /* NIY - and */
6654 case 0xeb56: /* OIY - or */
6655 case 0xeb57: /* XIY - xor */
6656 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6657 if (record_full_arch_list_add_mem (oaddr, 1))
6659 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6663 /* 0xeb53 undefined */
6664 /* 0xeb58-0xeb69 undefined */
6666 case 0xeb6a: /* ASI - add immediate */
6667 case 0xeb6e: /* ALSI - add immediate */
6668 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6669 if (record_full_arch_list_add_mem (oaddr, 4))
6671 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6675 /* 0xeb6b-0xeb6d undefined */
6676 /* 0xeb6f-0xeb79 undefined */
6678 case 0xeb7a: /* AGSI - add immediate */
6679 case 0xeb7e: /* ALGSI - add immediate */
6680 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6681 if (record_full_arch_list_add_mem (oaddr, 8))
6683 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6687 /* 0xeb7b-0xeb7d undefined */
6688 /* 0xeb7f undefined */
6690 case 0xeb80: /* ICMH - insert characters under mask */
6691 /* 32-bit high gpr destination + flags */
6692 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6694 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6698 /* 0xeb82-0xeb8d undefined */
6700 case 0xeb8e: /* MVCLU - move long unicode [partial] */
6701 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
6702 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
6703 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
6704 if (record_full_arch_list_add_mem (oaddr, tmp))
6706 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6708 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6710 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6712 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
6714 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6718 case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */
6719 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6721 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6723 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6725 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
6727 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6731 /* 0xeb91-0xeb95 undefined */
6733 case 0xeb96: /* LMH - load multiple high */
6734 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6735 if (s390_record_gpr_h (gdbarch, regcache, i))
6737 if (s390_record_gpr_h (gdbarch, regcache, inib[3]))
6741 /* 0xeb97 undefined */
6743 case 0xeb98: /* LMY - load multiple */
6744 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6745 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
6747 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6751 /* 0xeb99 undefined */
6753 case 0xeb9a: /* LAMY - load access multiple */
6754 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6755 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
6757 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
6761 /* 0xeb9c-0xebbf undefined */
6762 /* 0xebc1-0xebdb undefined */
6763 /* 0xebe5 undefined */
6764 /* 0xebe9 undefined */
6765 /* 0xebeb-0xebf1 undefined */
6766 /* 0xebf5 undefined */
6767 /* 0xebf9 undefined */
6768 /* 0xebfb-0xebff undefined */
6770 /* 0xed00-0xed03 undefined */
6772 case 0xed04: /* LDEB - load lengthened */
6773 case 0xed0c: /* MDEB - multiply */
6774 case 0xed0d: /* DEB - divide */
6775 case 0xed14: /* SQEB - square root */
6776 case 0xed15: /* SQDB - square root */
6777 case 0xed17: /* MEEB - multiply */
6778 case 0xed1c: /* MDB - multiply */
6779 case 0xed1d: /* DDB - divide */
6780 /* float destination + fpc */
6781 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6783 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6787 case 0xed05: /* LXDB - load lengthened */
6788 case 0xed06: /* LXEB - load lengthened */
6789 case 0xed07: /* MXDB - multiply */
6790 /* float pair destination + fpc */
6791 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6793 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
6795 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6799 case 0xed0a: /* AEB - add */
6800 case 0xed0b: /* SEB - subtract */
6801 case 0xed1a: /* ADB - add */
6802 case 0xed1b: /* SDB - subtract */
6803 /* float destination + flags + fpc */
6804 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6806 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6808 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6812 case 0xed0e: /* MAEB - multiply and add */
6813 case 0xed0f: /* MSEB - multiply and subtract */
6814 case 0xed1e: /* MADB - multiply and add */
6815 case 0xed1f: /* MSDB - multiply and subtract */
6816 case 0xed40: /* SLDT - shift significand left */
6817 case 0xed41: /* SRDT - shift significand right */
6818 case 0xedaa: /* CDZT - convert from zoned */
6819 case 0xedae: /* CDPT - convert from packed */
6820 /* float destination [RXF] + fpc */
6821 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6823 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6827 /* 0xed13 undefined */
6828 /* 0xed16 undefined */
6829 /* 0xed20-0xed23 undefined */
6831 case 0xed24: /* LDE - load lengthened */
6832 case 0xed34: /* SQE - square root */
6833 case 0xed35: /* SQD - square root */
6834 case 0xed37: /* MEE - multiply */
6835 case 0xed64: /* LEY - load */
6836 case 0xed65: /* LDY - load */
6837 /* float destination */
6838 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6842 case 0xed25: /* LXD - load lengthened */
6843 case 0xed26: /* LXE - load lengthened */
6844 /* float pair destination */
6845 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6847 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
6851 /* 0xed27-0xed2d undefined */
6853 case 0xed2e: /* MAE - multiply and add */
6854 case 0xed2f: /* MSE - multiply and subtract */
6855 case 0xed38: /* MAYL - multiply and add unnormalized */
6856 case 0xed39: /* MYL - multiply unnormalized */
6857 case 0xed3c: /* MAYH - multiply and add unnormalized */
6858 case 0xed3d: /* MYH - multiply unnormalized */
6859 case 0xed3e: /* MAD - multiply and add */
6860 case 0xed3f: /* MSD - multiply and subtract */
6861 /* float destination [RXF] */
6862 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6866 /* 0xed30-0xed33 undefined */
6867 /* 0xed36 undefined */
6869 case 0xed3a: /* MAY - multiply and add unnormalized */
6870 case 0xed3b: /* MY - multiply unnormalized */
6871 /* float pair destination [RXF] */
6872 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6874 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
6878 /* 0xed42-0xed47 undefind */
6880 case 0xed48: /* SLXT - shift significand left */
6881 case 0xed49: /* SRXT - shift significand right */
6882 case 0xedab: /* CXZT - convert from zoned */
6883 case 0xedaf: /* CXPT - convert from packed */
6884 /* float pair destination [RXF] + fpc */
6885 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6887 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
6889 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6893 /* 0xed4a-0xed4f undefind */
6894 /* 0xed52-0xed53 undefind */
6895 /* 0xed56-0xed57 undefind */
6896 /* 0xed5a-0xed63 undefind */
6897 /* 0xed68-0xeda7 undefined */
6899 case 0xeda8: /* CZDT - convert to zoned */
6900 case 0xeda9: /* CZXT - convert to zoned */
6901 case 0xedac: /* CPDT - convert to packed */
6902 case 0xedad: /* CPXT - convert to packed */
6903 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6904 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
6906 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6910 /* 0xedb0-0xedff undefined */
6917 /* 0xe4 undefined */
6920 /* SSE/SIL-format instruction */
6923 /* 0xe500-0xe543 undefined, privileged, or unsupported */
6925 case 0xe544: /* MVHHI - move */
6926 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6927 if (record_full_arch_list_add_mem (oaddr, 2))
6931 /* 0xe545-0xe547 undefined */
6933 case 0xe548: /* MVGHI - move */
6934 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6935 if (record_full_arch_list_add_mem (oaddr, 8))
6939 /* 0xe549-0xe54b undefined */
6941 case 0xe54c: /* MVHI - move */
6942 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6943 if (record_full_arch_list_add_mem (oaddr, 4))
6947 /* 0xe54d-0xe553 undefined */
6949 case 0xe554: /* CHHSI - compare halfword immediate */
6950 case 0xe555: /* CLHHSI - compare logical immediate */
6951 case 0xe558: /* CGHSI - compare halfword immediate */
6952 case 0xe559: /* CLGHSI - compare logical immediate */
6953 case 0xe55c: /* CHSI - compare halfword immediate */
6954 case 0xe55d: /* CLFHSI - compare logical immediate */
6955 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6959 /* 0xe556-0xe557 undefined */
6960 /* 0xe55a-0xe55b undefined */
6961 /* 0xe55e-0xe55f undefined */
6963 case 0xe560: /* TBEGIN - transaction begin */
6964 /* The transaction will be immediately aborted after this
6965 instruction, due to single-stepping. This instruction is
6966 only supported so that the program can fail a few times
6967 and go to the non-transactional fallback. */
6970 /* Transaction diagnostic block - user. */
6971 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6972 if (record_full_arch_list_add_mem (oaddr, 256))
6975 /* Transaction diagnostic block - supervisor. */
6976 if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM))
6978 if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM))
6980 if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM))
6982 if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM))
6984 for (i = 0; i < 16; i++)
6985 if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i))
6988 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6992 /* 0xe561 unsupported: TBEGINC */
6993 /* 0xe562-0xe5ff undefined */
7000 /* 0xe6 undefined */
7003 /* RIE/RIS/RRS-format instruction */
7004 switch (ibyte[0] << 8 | ibyte[5])
7006 /* 0xec00-0xec41 undefined */
7008 case 0xec42: /* LOCHI - load halfword immediate on condition */
7009 case 0xec51: /* RISBLG - rotate then insert selected bits low */
7010 /* 32-bit or native gpr destination */
7011 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7015 /* 0xec43 undefined */
7017 case 0xec44: /* BRXHG - branch relative on index high */
7018 case 0xec45: /* BRXLG - branch relative on index low or equal */
7019 case 0xec46: /* LOCGHI - load halfword immediate on condition */
7020 case 0xec59: /* RISBGN - rotate then insert selected bits */
7021 /* 64-bit gpr destination */
7022 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7026 /* 0xec47-0xec4d undefined */
7028 case 0xec4e: /* LOCHHI - load halfword immediate on condition */
7029 case 0xec5d: /* RISBHG - rotate then insert selected bits high */
7030 /* 32-bit high gpr destination */
7031 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
7035 /* 0xec4f-0xec50 undefined */
7036 /* 0xec52-0xec53 undefined */
7038 case 0xec54: /* RNSBG - rotate then and selected bits */
7039 case 0xec55: /* RISBG - rotate then insert selected bits */
7040 case 0xec56: /* ROSBG - rotate then or selected bits */
7041 case 0xec57: /* RXSBG - rotate then xor selected bits */
7042 case 0xecd9: /* AGHIK - add immediate */
7043 case 0xecdb: /* ALGHSIK - add logical immediate */
7044 /* 64-bit gpr destination + flags */
7045 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7047 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7051 /* 0xec58 undefined */
7052 /* 0xec5a-0xec5c undefined */
7053 /* 0xec5e-0xec63 undefined */
7055 case 0xec64: /* CGRJ - compare and branch relative */
7056 case 0xec65: /* CLGRJ - compare logical and branch relative */
7057 case 0xec76: /* CRJ - compare and branch relative */
7058 case 0xec77: /* CLRJ - compare logical and branch relative */
7059 case 0xec7c: /* CGIJ - compare immediate and branch relative */
7060 case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */
7061 case 0xec7e: /* CIJ - compare immediate and branch relative */
7062 case 0xec7f: /* CLIJ - compare logical immediate and branch relative */
7063 case 0xece4: /* CGRB - compare and branch */
7064 case 0xece5: /* CLGRB - compare logical and branch */
7065 case 0xecf6: /* CRB - compare and branch */
7066 case 0xecf7: /* CLRB - compare logical and branch */
7067 case 0xecfc: /* CGIB - compare immediate and branch */
7068 case 0xecfd: /* CLGIB - compare logical immediate and branch */
7069 case 0xecfe: /* CIB - compare immediate and branch */
7070 case 0xecff: /* CLIB - compare logical immediate and branch */
7073 /* 0xec66-0xec6f undefined */
7075 case 0xec70: /* CGIT - compare immediate and trap */
7076 case 0xec71: /* CLGIT - compare logical immediate and trap */
7077 case 0xec72: /* CIT - compare immediate and trap */
7078 case 0xec73: /* CLFIT - compare logical immediate and trap */
7079 /* fpc only - including possible DXC write for trapping insns */
7080 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7084 /* 0xec74-0xec75 undefined */
7085 /* 0xec78-0xec7b undefined */
7087 /* 0xec80-0xecd7 undefined */
7089 case 0xecd8: /* AHIK - add immediate */
7090 case 0xecda: /* ALHSIK - add logical immediate */
7091 /* 32-bit gpr destination + flags */
7092 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7094 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7098 /* 0xecdc-0xece3 undefined */
7099 /* 0xece6-0xecf5 undefined */
7100 /* 0xecf8-0xecfb undefined */
7107 case 0xee: /* PLO - perform locked operation */
7108 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
7109 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7110 oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
7113 uint8_t fc = tmp & 0xff;
7119 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7122 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
7126 case 0x01: /* CLG */
7128 if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
7131 if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
7135 case 0x02: /* CLGR */
7137 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7140 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7144 case 0x03: /* CLX */
7146 if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
7149 if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
7153 case 0x08: /* DCS */
7155 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
7158 case 0x0c: /* CSST */
7160 if (record_full_arch_list_add_mem (oaddr2, 4))
7164 case 0x14: /* CSTST */
7166 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7168 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7169 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7170 if (record_full_arch_list_add_mem (oaddr3, 4))
7173 case 0x10: /* CSDST */
7175 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7177 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7178 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7179 if (record_full_arch_list_add_mem (oaddr3, 4))
7182 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7184 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7185 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7186 if (record_full_arch_list_add_mem (oaddr3, 4))
7192 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7195 if (record_full_arch_list_add_mem (oaddr, 4))
7199 case 0x09: /* DCSG */
7201 if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
7205 case 0x15: /* CSTSTG */
7207 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7209 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7210 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7211 if (record_full_arch_list_add_mem (oaddr3, 8))
7214 case 0x11: /* CSDSTG */
7216 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7218 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7219 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7220 if (record_full_arch_list_add_mem (oaddr3, 8))
7223 case 0x0d: /* CSSTG */
7226 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7228 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7229 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7230 if (record_full_arch_list_add_mem (oaddr3, 8))
7233 case 0x05: /* CSG */
7235 if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
7238 if (record_full_arch_list_add_mem (oaddr, 8))
7242 case 0x0a: /* DCSGR */
7244 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7247 case 0x0e: /* CSSTGR */
7249 if (record_full_arch_list_add_mem (oaddr2, 8))
7253 case 0x16: /* CSTSTGR */
7255 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7257 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7258 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7259 if (record_full_arch_list_add_mem (oaddr3, 8))
7262 case 0x12: /* CSDSTGR */
7264 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7266 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7267 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7268 if (record_full_arch_list_add_mem (oaddr3, 8))
7271 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7273 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7274 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7275 if (record_full_arch_list_add_mem (oaddr3, 8))
7278 case 0x06: /* CSGR */
7281 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7284 if (record_full_arch_list_add_mem (oaddr, 8))
7288 case 0x0b: /* DCSX */
7290 if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
7294 case 0x17: /* CSTSTX */
7296 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7298 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7299 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7300 if (record_full_arch_list_add_mem (oaddr3, 16))
7303 case 0x13: /* CSDSTX */
7305 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7307 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7308 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7309 if (record_full_arch_list_add_mem (oaddr3, 16))
7312 case 0x0f: /* CSSTX */
7315 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7317 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7318 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7319 if (record_full_arch_list_add_mem (oaddr3, 16))
7322 case 0x07: /* CSX */
7324 if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
7327 if (record_full_arch_list_add_mem (oaddr, 16))
7332 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n",
7333 fc, paddress (gdbarch, addr));
7337 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7341 case 0xef: /* LMD - load multiple disjoint */
7342 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
7343 if (s390_record_gpr_g (gdbarch, regcache, i))
7345 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7349 case 0xf0: /* SRP - shift and round decimal */
7350 case 0xf8: /* ZAP - zero and add */
7351 case 0xfa: /* AP - add decimal */
7352 case 0xfb: /* SP - subtract decimal */
7353 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7354 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7356 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7358 /* DXC may be written */
7359 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7363 case 0xf1: /* MVO - move with offset */
7364 case 0xf2: /* PACK - pack */
7365 case 0xf3: /* UNPK - unpack */
7366 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7367 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7371 /* 0xf4-0xf7 undefined */
7373 case 0xf9: /* CP - compare decimal */
7374 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7376 /* DXC may be written */
7377 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7381 case 0xfc: /* MP - multiply decimal */
7382 case 0xfd: /* DP - divide decimal */
7383 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7384 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7386 /* DXC may be written */
7387 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7391 /* 0xfe-0xff undefined */
7395 fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x "
7396 "at %s.\n", insn[0], paddress (gdbarch, addr));
7400 if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
7402 if (record_full_arch_list_add_end ())
7407 /* Initialize linux_record_tdep if not initialized yet. */
7410 s390_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
7411 enum s390_abi_kind abi)
7413 /* These values are the size of the type that will be used in a system
7414 call. They are obtained from Linux Kernel source. */
7416 if (abi == ABI_LINUX_ZSERIES)
7418 record_tdep->size_pointer = 8;
7419 /* no _old_kernel_stat */
7420 record_tdep->size_tms = 32;
7421 record_tdep->size_loff_t = 8;
7422 record_tdep->size_flock = 32;
7423 record_tdep->size_ustat = 32;
7424 record_tdep->size_old_sigaction = 32;
7425 record_tdep->size_old_sigset_t = 8;
7426 record_tdep->size_rlimit = 16;
7427 record_tdep->size_rusage = 144;
7428 record_tdep->size_timeval = 16;
7429 record_tdep->size_timezone = 8;
7430 /* old_[ug]id_t never used */
7431 record_tdep->size_fd_set = 128;
7432 record_tdep->size_old_dirent = 280;
7433 record_tdep->size_statfs = 88;
7434 record_tdep->size_statfs64 = 88;
7435 record_tdep->size_sockaddr = 16;
7436 record_tdep->size_int = 4;
7437 record_tdep->size_long = 8;
7438 record_tdep->size_ulong = 8;
7439 record_tdep->size_msghdr = 56;
7440 record_tdep->size_itimerval = 32;
7441 record_tdep->size_stat = 144;
7442 /* old_utsname unused */
7443 record_tdep->size_sysinfo = 112;
7444 record_tdep->size_msqid_ds = 120;
7445 record_tdep->size_shmid_ds = 112;
7446 record_tdep->size_new_utsname = 390;
7447 record_tdep->size_timex = 208;
7448 record_tdep->size_mem_dqinfo = 24;
7449 record_tdep->size_if_dqblk = 72;
7450 record_tdep->size_fs_quota_stat = 80;
7451 record_tdep->size_timespec = 16;
7452 record_tdep->size_pollfd = 8;
7453 record_tdep->size_NFS_FHSIZE = 32;
7454 record_tdep->size_knfsd_fh = 132;
7455 record_tdep->size_TASK_COMM_LEN = 16;
7456 record_tdep->size_sigaction = 32;
7457 record_tdep->size_sigset_t = 8;
7458 record_tdep->size_siginfo_t = 128;
7459 record_tdep->size_cap_user_data_t = 12;
7460 record_tdep->size_stack_t = 24;
7461 record_tdep->size_off_t = 8;
7463 record_tdep->size_gid_t = 4;
7464 record_tdep->size_uid_t = 4;
7465 record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */
7466 record_tdep->size_flock64 = 32;
7467 record_tdep->size_io_event = 32;
7468 record_tdep->size_iocb = 64;
7469 record_tdep->size_epoll_event = 16;
7470 record_tdep->size_itimerspec = 32;
7471 record_tdep->size_mq_attr = 64;
7472 record_tdep->size_termios = 36;
7473 record_tdep->size_termios2 = 44;
7474 record_tdep->size_pid_t = 4;
7475 record_tdep->size_winsize = 8;
7476 record_tdep->size_serial_struct = 72;
7477 record_tdep->size_serial_icounter_struct = 80;
7478 record_tdep->size_size_t = 8;
7479 record_tdep->size_iovec = 16;
7480 record_tdep->size_time_t = 8;
7482 else if (abi == ABI_LINUX_S390)
7484 record_tdep->size_pointer = 4;
7485 record_tdep->size__old_kernel_stat = 32;
7486 record_tdep->size_tms = 16;
7487 record_tdep->size_loff_t = 8;
7488 record_tdep->size_flock = 16;
7489 record_tdep->size_ustat = 20;
7490 record_tdep->size_old_sigaction = 16;
7491 record_tdep->size_old_sigset_t = 4;
7492 record_tdep->size_rlimit = 8;
7493 record_tdep->size_rusage = 72;
7494 record_tdep->size_timeval = 8;
7495 record_tdep->size_timezone = 8;
7496 record_tdep->size_old_gid_t = 2;
7497 record_tdep->size_old_uid_t = 2;
7498 record_tdep->size_fd_set = 128;
7499 record_tdep->size_old_dirent = 268;
7500 record_tdep->size_statfs = 64;
7501 record_tdep->size_statfs64 = 88;
7502 record_tdep->size_sockaddr = 16;
7503 record_tdep->size_int = 4;
7504 record_tdep->size_long = 4;
7505 record_tdep->size_ulong = 4;
7506 record_tdep->size_msghdr = 28;
7507 record_tdep->size_itimerval = 16;
7508 record_tdep->size_stat = 64;
7509 /* old_utsname unused */
7510 record_tdep->size_sysinfo = 64;
7511 record_tdep->size_msqid_ds = 88;
7512 record_tdep->size_shmid_ds = 84;
7513 record_tdep->size_new_utsname = 390;
7514 record_tdep->size_timex = 128;
7515 record_tdep->size_mem_dqinfo = 24;
7516 record_tdep->size_if_dqblk = 72;
7517 record_tdep->size_fs_quota_stat = 80;
7518 record_tdep->size_timespec = 8;
7519 record_tdep->size_pollfd = 8;
7520 record_tdep->size_NFS_FHSIZE = 32;
7521 record_tdep->size_knfsd_fh = 132;
7522 record_tdep->size_TASK_COMM_LEN = 16;
7523 record_tdep->size_sigaction = 20;
7524 record_tdep->size_sigset_t = 8;
7525 record_tdep->size_siginfo_t = 128;
7526 record_tdep->size_cap_user_data_t = 12;
7527 record_tdep->size_stack_t = 12;
7528 record_tdep->size_off_t = 4;
7529 record_tdep->size_stat64 = 104;
7530 record_tdep->size_gid_t = 4;
7531 record_tdep->size_uid_t = 4;
7532 record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */
7533 record_tdep->size_flock64 = 32;
7534 record_tdep->size_io_event = 32;
7535 record_tdep->size_iocb = 64;
7536 record_tdep->size_epoll_event = 16;
7537 record_tdep->size_itimerspec = 16;
7538 record_tdep->size_mq_attr = 32;
7539 record_tdep->size_termios = 36;
7540 record_tdep->size_termios2 = 44;
7541 record_tdep->size_pid_t = 4;
7542 record_tdep->size_winsize = 8;
7543 record_tdep->size_serial_struct = 60;
7544 record_tdep->size_serial_icounter_struct = 80;
7545 record_tdep->size_size_t = 4;
7546 record_tdep->size_iovec = 8;
7547 record_tdep->size_time_t = 4;
7550 /* These values are the second argument of system call "sys_fcntl"
7551 and "sys_fcntl64". They are obtained from Linux Kernel source. */
7552 record_tdep->fcntl_F_GETLK = 5;
7553 record_tdep->fcntl_F_GETLK64 = 12;
7554 record_tdep->fcntl_F_SETLK64 = 13;
7555 record_tdep->fcntl_F_SETLKW64 = 14;
7557 record_tdep->arg1 = S390_R2_REGNUM;
7558 record_tdep->arg2 = S390_R3_REGNUM;
7559 record_tdep->arg3 = S390_R4_REGNUM;
7560 record_tdep->arg4 = S390_R5_REGNUM;
7561 record_tdep->arg5 = S390_R6_REGNUM;
7563 /* These values are the second argument of system call "sys_ioctl".
7564 They are obtained from Linux Kernel source.
7565 See arch/s390/include/uapi/asm/ioctls.h. */
7567 record_tdep->ioctl_TCGETS = 0x5401;
7568 record_tdep->ioctl_TCSETS = 0x5402;
7569 record_tdep->ioctl_TCSETSW = 0x5403;
7570 record_tdep->ioctl_TCSETSF = 0x5404;
7571 record_tdep->ioctl_TCGETA = 0x5405;
7572 record_tdep->ioctl_TCSETA = 0x5406;
7573 record_tdep->ioctl_TCSETAW = 0x5407;
7574 record_tdep->ioctl_TCSETAF = 0x5408;
7575 record_tdep->ioctl_TCSBRK = 0x5409;
7576 record_tdep->ioctl_TCXONC = 0x540a;
7577 record_tdep->ioctl_TCFLSH = 0x540b;
7578 record_tdep->ioctl_TIOCEXCL = 0x540c;
7579 record_tdep->ioctl_TIOCNXCL = 0x540d;
7580 record_tdep->ioctl_TIOCSCTTY = 0x540e;
7581 record_tdep->ioctl_TIOCGPGRP = 0x540f;
7582 record_tdep->ioctl_TIOCSPGRP = 0x5410;
7583 record_tdep->ioctl_TIOCOUTQ = 0x5411;
7584 record_tdep->ioctl_TIOCSTI = 0x5412;
7585 record_tdep->ioctl_TIOCGWINSZ = 0x5413;
7586 record_tdep->ioctl_TIOCSWINSZ = 0x5414;
7587 record_tdep->ioctl_TIOCMGET = 0x5415;
7588 record_tdep->ioctl_TIOCMBIS = 0x5416;
7589 record_tdep->ioctl_TIOCMBIC = 0x5417;
7590 record_tdep->ioctl_TIOCMSET = 0x5418;
7591 record_tdep->ioctl_TIOCGSOFTCAR = 0x5419;
7592 record_tdep->ioctl_TIOCSSOFTCAR = 0x541a;
7593 record_tdep->ioctl_FIONREAD = 0x541b;
7594 record_tdep->ioctl_TIOCINQ = 0x541b; /* alias */
7595 record_tdep->ioctl_TIOCLINUX = 0x541c;
7596 record_tdep->ioctl_TIOCCONS = 0x541d;
7597 record_tdep->ioctl_TIOCGSERIAL = 0x541e;
7598 record_tdep->ioctl_TIOCSSERIAL = 0x541f;
7599 record_tdep->ioctl_TIOCPKT = 0x5420;
7600 record_tdep->ioctl_FIONBIO = 0x5421;
7601 record_tdep->ioctl_TIOCNOTTY = 0x5422;
7602 record_tdep->ioctl_TIOCSETD = 0x5423;
7603 record_tdep->ioctl_TIOCGETD = 0x5424;
7604 record_tdep->ioctl_TCSBRKP = 0x5425;
7605 record_tdep->ioctl_TIOCSBRK = 0x5427;
7606 record_tdep->ioctl_TIOCCBRK = 0x5428;
7607 record_tdep->ioctl_TIOCGSID = 0x5429;
7608 record_tdep->ioctl_TCGETS2 = 0x802c542a;
7609 record_tdep->ioctl_TCSETS2 = 0x402c542b;
7610 record_tdep->ioctl_TCSETSW2 = 0x402c542c;
7611 record_tdep->ioctl_TCSETSF2 = 0x402c542d;
7612 record_tdep->ioctl_TIOCGPTN = 0x80045430;
7613 record_tdep->ioctl_TIOCSPTLCK = 0x40045431;
7614 record_tdep->ioctl_FIONCLEX = 0x5450;
7615 record_tdep->ioctl_FIOCLEX = 0x5451;
7616 record_tdep->ioctl_FIOASYNC = 0x5452;
7617 record_tdep->ioctl_TIOCSERCONFIG = 0x5453;
7618 record_tdep->ioctl_TIOCSERGWILD = 0x5454;
7619 record_tdep->ioctl_TIOCSERSWILD = 0x5455;
7620 record_tdep->ioctl_TIOCGLCKTRMIOS = 0x5456;
7621 record_tdep->ioctl_TIOCSLCKTRMIOS = 0x5457;
7622 record_tdep->ioctl_TIOCSERGSTRUCT = 0x5458;
7623 record_tdep->ioctl_TIOCSERGETLSR = 0x5459;
7624 record_tdep->ioctl_TIOCSERGETMULTI = 0x545a;
7625 record_tdep->ioctl_TIOCSERSETMULTI = 0x545b;
7626 record_tdep->ioctl_TIOCMIWAIT = 0x545c;
7627 record_tdep->ioctl_TIOCGICOUNT = 0x545d;
7628 record_tdep->ioctl_FIOQSIZE = 0x545e;
7631 /* Set up gdbarch struct. */
7633 static struct gdbarch *
7634 s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
7636 const struct target_desc *tdesc = info.target_desc;
7637 struct tdesc_arch_data *tdesc_data = NULL;
7638 struct gdbarch *gdbarch;
7639 struct gdbarch_tdep *tdep;
7640 enum s390_abi_kind tdep_abi;
7641 enum s390_vector_abi_kind vector_abi;
7643 int have_linux_v1 = 0;
7644 int have_linux_v2 = 0;
7647 int first_pseudo_reg, last_pseudo_reg;
7648 static const char *const stap_register_prefixes[] = { "%", NULL };
7649 static const char *const stap_register_indirection_prefixes[] = { "(",
7651 static const char *const stap_register_indirection_suffixes[] = { ")",
7654 /* Default ABI and register size. */
7655 switch (info.bfd_arch_info->mach)
7657 case bfd_mach_s390_31:
7658 tdep_abi = ABI_LINUX_S390;
7661 case bfd_mach_s390_64:
7662 tdep_abi = ABI_LINUX_ZSERIES;
7669 /* Use default target description if none provided by the target. */
7670 if (!tdesc_has_registers (tdesc))
7672 if (tdep_abi == ABI_LINUX_S390)
7673 tdesc = tdesc_s390_linux32;
7675 tdesc = tdesc_s390x_linux64;
7678 /* Check any target description for validity. */
7679 if (tdesc_has_registers (tdesc))
7681 static const char *const gprs[] = {
7682 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
7683 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
7685 static const char *const fprs[] = {
7686 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
7687 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15"
7689 static const char *const acrs[] = {
7690 "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7",
7691 "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15"
7693 static const char *const gprs_lower[] = {
7694 "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
7695 "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l"
7697 static const char *const gprs_upper[] = {
7698 "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
7699 "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h"
7701 static const char *const tdb_regs[] = {
7702 "tdb0", "tac", "tct", "atia",
7703 "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7",
7704 "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
7706 static const char *const vxrs_low[] = {
7707 "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l",
7708 "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l",
7710 static const char *const vxrs_high[] = {
7711 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
7712 "v25", "v26", "v27", "v28", "v29", "v30", "v31",
7714 const struct tdesc_feature *feature;
7717 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core");
7718 if (feature == NULL)
7721 tdesc_data = tdesc_data_alloc ();
7723 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7724 S390_PSWM_REGNUM, "pswm");
7725 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7726 S390_PSWA_REGNUM, "pswa");
7728 if (tdesc_unnumbered_register (feature, "r0"))
7730 for (i = 0; i < 16; i++)
7731 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7732 S390_R0_REGNUM + i, gprs[i]);
7738 for (i = 0; i < 16; i++)
7739 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7742 for (i = 0; i < 16; i++)
7743 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7744 S390_R0_UPPER_REGNUM + i,
7748 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr");
7749 if (feature == NULL)
7751 tdesc_data_cleanup (tdesc_data);
7755 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7756 S390_FPC_REGNUM, "fpc");
7757 for (i = 0; i < 16; i++)
7758 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7759 S390_F0_REGNUM + i, fprs[i]);
7761 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr");
7762 if (feature == NULL)
7764 tdesc_data_cleanup (tdesc_data);
7768 for (i = 0; i < 16; i++)
7769 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7770 S390_A0_REGNUM + i, acrs[i]);
7772 /* Optional GNU/Linux-specific "registers". */
7773 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux");
7776 tdesc_numbered_register (feature, tdesc_data,
7777 S390_ORIG_R2_REGNUM, "orig_r2");
7779 if (tdesc_numbered_register (feature, tdesc_data,
7780 S390_LAST_BREAK_REGNUM, "last_break"))
7783 if (tdesc_numbered_register (feature, tdesc_data,
7784 S390_SYSTEM_CALL_REGNUM, "system_call"))
7787 if (have_linux_v2 > have_linux_v1)
7791 /* Transaction diagnostic block. */
7792 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb");
7795 for (i = 0; i < ARRAY_SIZE (tdb_regs); i++)
7796 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7797 S390_TDB_DWORD0_REGNUM + i,
7802 /* Vector registers. */
7803 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx");
7806 for (i = 0; i < 16; i++)
7807 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7808 S390_V0_LOWER_REGNUM + i,
7810 for (i = 0; i < 16; i++)
7811 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7812 S390_V16_REGNUM + i,
7819 tdesc_data_cleanup (tdesc_data);
7824 /* Determine vector ABI. */
7825 vector_abi = S390_VECTOR_ABI_NONE;
7828 && info.abfd != NULL
7829 && info.abfd->format == bfd_object
7830 && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour
7831 && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU,
7832 Tag_GNU_S390_ABI_Vector) == 2)
7833 vector_abi = S390_VECTOR_ABI_128;
7836 /* Find a candidate among extant architectures. */
7837 for (arches = gdbarch_list_lookup_by_info (arches, &info);
7839 arches = gdbarch_list_lookup_by_info (arches->next, &info))
7841 tdep = gdbarch_tdep (arches->gdbarch);
7844 if (tdep->abi != tdep_abi)
7846 if (tdep->vector_abi != vector_abi)
7848 if ((tdep->gpr_full_regnum != -1) != have_upper)
7850 if (tdesc_data != NULL)
7851 tdesc_data_cleanup (tdesc_data);
7852 return arches->gdbarch;
7855 /* Otherwise create a new gdbarch for the specified machine type. */
7856 tdep = XCNEW (struct gdbarch_tdep);
7857 tdep->abi = tdep_abi;
7858 tdep->vector_abi = vector_abi;
7859 tdep->have_linux_v1 = have_linux_v1;
7860 tdep->have_linux_v2 = have_linux_v2;
7861 tdep->have_tdb = have_tdb;
7862 gdbarch = gdbarch_alloc (&info, tdep);
7864 set_gdbarch_believe_pcc_promotion (gdbarch, 0);
7865 set_gdbarch_char_signed (gdbarch, 0);
7867 /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
7868 We can safely let them default to 128-bit, since the debug info
7869 will give the size of type actually used in each case. */
7870 set_gdbarch_long_double_bit (gdbarch, 128);
7871 set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
7873 /* Amount PC must be decremented by after a breakpoint. This is
7874 often the number of bytes returned by gdbarch_breakpoint_from_pc but not
7876 set_gdbarch_decr_pc_after_break (gdbarch, 2);
7877 /* Stack grows downward. */
7878 set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
7879 set_gdbarch_breakpoint_from_pc (gdbarch, s390_breakpoint_from_pc);
7880 set_gdbarch_software_single_step (gdbarch, s390_software_single_step);
7881 set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep);
7882 set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue);
7883 set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p);
7885 set_gdbarch_num_regs (gdbarch, S390_NUM_REGS);
7886 set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM);
7887 set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM);
7888 set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
7889 set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
7890 set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
7891 set_gdbarch_core_read_description (gdbarch, s390_core_read_description);
7892 set_gdbarch_iterate_over_regset_sections (gdbarch,
7893 s390_iterate_over_regset_sections);
7894 set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register);
7895 set_gdbarch_write_pc (gdbarch, s390_write_pc);
7896 set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers);
7897 set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read);
7898 set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write);
7899 set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);
7900 set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type);
7901 set_tdesc_pseudo_register_reggroup_p (gdbarch,
7902 s390_pseudo_register_reggroup_p);
7903 tdesc_use_registers (gdbarch, tdesc, tdesc_data);
7904 set_gdbarch_register_name (gdbarch, s390_register_name);
7906 /* Assign pseudo register numbers. */
7907 first_pseudo_reg = gdbarch_num_regs (gdbarch);
7908 last_pseudo_reg = first_pseudo_reg;
7909 tdep->gpr_full_regnum = -1;
7912 tdep->gpr_full_regnum = last_pseudo_reg;
7913 last_pseudo_reg += 16;
7915 tdep->v0_full_regnum = -1;
7918 tdep->v0_full_regnum = last_pseudo_reg;
7919 last_pseudo_reg += 16;
7921 tdep->pc_regnum = last_pseudo_reg++;
7922 tdep->cc_regnum = last_pseudo_reg++;
7923 set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum);
7924 set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg);
7926 /* Inferior function calls. */
7927 set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call);
7928 set_gdbarch_dummy_id (gdbarch, s390_dummy_id);
7929 set_gdbarch_frame_align (gdbarch, s390_frame_align);
7930 set_gdbarch_return_value (gdbarch, s390_return_value);
7932 /* Syscall handling. */
7933 set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number);
7935 /* Frame handling. */
7936 dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg);
7937 dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum);
7938 dwarf2_append_unwinders (gdbarch);
7939 frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
7940 frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind);
7941 frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind);
7942 frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind);
7943 frame_base_set_default (gdbarch, &s390_frame_base);
7944 set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc);
7945 set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp);
7947 /* Displaced stepping. */
7948 set_gdbarch_displaced_step_copy_insn (gdbarch,
7949 s390_displaced_step_copy_insn);
7950 set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup);
7951 set_gdbarch_displaced_step_free_closure (gdbarch,
7952 simple_displaced_step_free_closure);
7953 set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
7954 set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE);
7956 /* Note that GNU/Linux is the only OS supported on this
7958 linux_init_abi (info, gdbarch);
7962 case ABI_LINUX_S390:
7963 set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
7964 set_solib_svr4_fetch_link_map_offsets
7965 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
7967 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390);
7970 case ABI_LINUX_ZSERIES:
7971 set_gdbarch_long_bit (gdbarch, 64);
7972 set_gdbarch_long_long_bit (gdbarch, 64);
7973 set_gdbarch_ptr_bit (gdbarch, 64);
7974 set_solib_svr4_fetch_link_map_offsets
7975 (gdbarch, svr4_lp64_fetch_link_map_offsets);
7976 set_gdbarch_address_class_type_flags (gdbarch,
7977 s390_address_class_type_flags);
7978 set_gdbarch_address_class_type_flags_to_name (gdbarch,
7979 s390_address_class_type_flags_to_name);
7980 set_gdbarch_address_class_name_to_type_flags (gdbarch,
7981 s390_address_class_name_to_type_flags);
7982 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X);
7986 set_gdbarch_print_insn (gdbarch, print_insn_s390);
7988 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
7990 /* Enable TLS support. */
7991 set_gdbarch_fetch_tls_load_module_address (gdbarch,
7992 svr4_fetch_objfile_link_map);
7994 /* SystemTap functions. */
7995 set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
7996 set_gdbarch_stap_register_indirection_prefixes (gdbarch,
7997 stap_register_indirection_prefixes);
7998 set_gdbarch_stap_register_indirection_suffixes (gdbarch,
7999 stap_register_indirection_suffixes);
8000 set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand);
8001 set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
8002 set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp);
8004 /* Support reverse debugging. */
8006 set_gdbarch_process_record (gdbarch, s390_process_record);
8007 set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal);
8009 s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390);
8010 s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES);
8016 extern initialize_file_ftype _initialize_s390_tdep; /* -Wmissing-prototypes */
8019 _initialize_s390_tdep (void)
8021 /* Hook us into the gdbarch mechanism. */
8022 register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init);
8024 /* Initialize the GNU/Linux target descriptions. */
8025 initialize_tdesc_s390_linux32 ();
8026 initialize_tdesc_s390_linux32v1 ();
8027 initialize_tdesc_s390_linux32v2 ();
8028 initialize_tdesc_s390_linux64 ();
8029 initialize_tdesc_s390_linux64v1 ();
8030 initialize_tdesc_s390_linux64v2 ();
8031 initialize_tdesc_s390_te_linux64 ();
8032 initialize_tdesc_s390_vx_linux64 ();
8033 initialize_tdesc_s390_tevx_linux64 ();
8034 initialize_tdesc_s390x_linux64 ();
8035 initialize_tdesc_s390x_linux64v1 ();
8036 initialize_tdesc_s390x_linux64v2 ();
8037 initialize_tdesc_s390x_te_linux64 ();
8038 initialize_tdesc_s390x_vx_linux64 ();
8039 initialize_tdesc_s390x_tevx_linux64 ();