1 /* Target-dependent code for GDB, the GNU debugger.
3 Copyright (C) 2001-2018 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"
34 #include "trad-frame.h"
35 #include "frame-base.h"
36 #include "frame-unwind.h"
37 #include "dwarf2-frame.h"
38 #include "reggroups.h"
42 #include "solib-svr4.h"
43 #include "prologue-value.h"
44 #include "linux-tdep.h"
45 #include "s390-linux-tdep.h"
46 #include "linux-record.h"
47 #include "record-full.h"
49 #include "xml-syscall.h"
51 #include "stap-probe.h"
54 #include "user-regs.h"
55 #include "cli/cli-utils.h"
57 #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/s390-gs-linux64.c"
72 #include "features/s390x-linux64.c"
73 #include "features/s390x-linux64v1.c"
74 #include "features/s390x-linux64v2.c"
75 #include "features/s390x-te-linux64.c"
76 #include "features/s390x-vx-linux64.c"
77 #include "features/s390x-tevx-linux64.c"
78 #include "features/s390x-gs-linux64.c"
80 #define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml"
81 #define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml"
83 /* Holds the current set of options to be passed to the disassembler. */
84 static char *s390_disassembler_options;
92 enum s390_vector_abi_kind
98 /* The tdep structure. */
103 enum s390_abi_kind abi;
106 enum s390_vector_abi_kind vector_abi;
108 /* Pseudo register numbers. */
121 /* ABI call-saved register information. */
124 s390_register_call_saved (struct gdbarch *gdbarch, int regnum)
126 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
131 if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
132 || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM
133 || regnum == S390_A0_REGNUM)
138 case ABI_LINUX_ZSERIES:
139 if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
140 || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM)
141 || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM))
151 s390_cannot_store_register (struct gdbarch *gdbarch, int regnum)
153 /* The last-break address is read-only. */
154 return regnum == S390_LAST_BREAK_REGNUM;
158 s390_write_pc (struct regcache *regcache, CORE_ADDR pc)
160 struct gdbarch *gdbarch = regcache->arch ();
161 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
163 regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc);
165 /* Set special SYSTEM_CALL register to 0 to prevent the kernel from
166 messing with the PC we just installed, if we happen to be within
167 an interrupted system call that the kernel wants to restart.
169 Note that after we return from the dummy call, the SYSTEM_CALL and
170 ORIG_R2 registers will be automatically restored, and the kernel
171 continues to restart the system call at this point. */
172 if (register_size (gdbarch, S390_SYSTEM_CALL_REGNUM) > 0)
173 regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0);
176 /* The "guess_tracepoint_registers" gdbarch method. */
179 s390_guess_tracepoint_registers (struct gdbarch *gdbarch,
180 struct regcache *regcache,
183 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
184 int sz = register_size (gdbarch, S390_PSWA_REGNUM);
185 gdb_byte *reg = (gdb_byte *) alloca (sz);
188 /* Set PSWA from the location and a default PSWM (the only part we're
189 unlikely to get right is the CC). */
190 if (tdep->abi == ABI_LINUX_S390)
192 /* 31-bit PSWA needs high bit set (it's very unlikely the target
193 was in 24-bit mode). */
194 pswa = addr | 0x80000000UL;
200 pswm = 0x0705000180000000ULL;
203 store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa);
204 regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg);
206 store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm);
207 regcache_raw_supply (regcache, S390_PSWM_REGNUM, reg);
211 /* DWARF Register Mapping. */
213 static const short s390_dwarf_regmap[] =
215 /* 0-15: General Purpose Registers. */
216 S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
217 S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
218 S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
219 S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
221 /* 16-31: Floating Point Registers / Vector Registers 0-15. */
222 S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM,
223 S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM,
224 S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM,
225 S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM,
227 /* 32-47: Control Registers (not mapped). */
228 -1, -1, -1, -1, -1, -1, -1, -1,
229 -1, -1, -1, -1, -1, -1, -1, -1,
231 /* 48-63: Access Registers. */
232 S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM,
233 S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM,
234 S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM,
235 S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM,
237 /* 64-65: Program Status Word. */
241 /* 66-67: Reserved. */
244 /* 68-83: Vector Registers 16-31. */
245 S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM,
246 S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM,
247 S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM,
248 S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM,
250 /* End of "official" DWARF registers. The remainder of the map is
251 for GDB internal use only. */
253 /* GPR Lower Half Access. */
254 S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
255 S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
256 S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
257 S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
260 enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 };
262 /* Convert DWARF register number REG to the appropriate register
263 number used by GDB. */
265 s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg)
267 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
270 /* In a 32-on-64 debug scenario, debug info refers to the full
271 64-bit GPRs. Note that call frame information still refers to
272 the 32-bit lower halves, because s390_adjust_frame_regnum uses
273 special register numbers to access GPRs. */
274 if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16)
275 return tdep->gpr_full_regnum + reg;
277 if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap))
278 gdb_reg = s390_dwarf_regmap[reg];
280 if (tdep->v0_full_regnum == -1)
282 if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM)
287 if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM)
288 gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum;
294 /* Translate a .eh_frame register to DWARF register, or adjust a
295 .debug_frame register. */
297 s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p)
299 /* See s390_dwarf_reg_to_regnum for comments. */
300 return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num;
304 /* Pseudo registers. */
307 regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum)
309 return (tdep->gpr_full_regnum != -1
310 && regnum >= tdep->gpr_full_regnum
311 && regnum <= tdep->gpr_full_regnum + 15);
314 /* Check whether REGNUM indicates a full vector register (v0-v15).
315 These pseudo-registers are composed of f0-f15 and v0l-v15l. */
318 regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum)
320 return (tdep->v0_full_regnum != -1
321 && regnum >= tdep->v0_full_regnum
322 && regnum <= tdep->v0_full_regnum + 15);
325 /* Return the name of register REGNO. Return the empty string for
326 registers that shouldn't be visible. */
329 s390_register_name (struct gdbarch *gdbarch, int regnum)
331 if (regnum >= S390_V0_LOWER_REGNUM
332 && regnum <= S390_V15_LOWER_REGNUM)
334 return tdesc_register_name (gdbarch, regnum);
338 s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum)
340 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
342 if (regnum == tdep->pc_regnum)
345 if (regnum == tdep->cc_regnum)
348 if (regnum_is_gpr_full (tdep, regnum))
350 static const char *full_name[] = {
351 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
352 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
354 return full_name[regnum - tdep->gpr_full_regnum];
357 if (regnum_is_vxr_full (tdep, regnum))
359 static const char *full_name[] = {
360 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
361 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
363 return full_name[regnum - tdep->v0_full_regnum];
366 internal_error (__FILE__, __LINE__, _("invalid regnum"));
370 s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum)
372 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
374 if (regnum == tdep->pc_regnum)
375 return builtin_type (gdbarch)->builtin_func_ptr;
377 if (regnum == tdep->cc_regnum)
378 return builtin_type (gdbarch)->builtin_int;
380 if (regnum_is_gpr_full (tdep, regnum))
381 return builtin_type (gdbarch)->builtin_uint64;
383 if (regnum_is_vxr_full (tdep, regnum))
384 return tdesc_find_type (gdbarch, "vec128");
386 internal_error (__FILE__, __LINE__, _("invalid regnum"));
389 static enum register_status
390 s390_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
391 int regnum, gdb_byte *buf)
393 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
394 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
395 int regsize = register_size (gdbarch, regnum);
398 if (regnum == tdep->pc_regnum)
400 enum register_status status;
402 status = regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &val);
403 if (status == REG_VALID)
405 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
407 store_unsigned_integer (buf, regsize, byte_order, val);
412 if (regnum == tdep->cc_regnum)
414 enum register_status status;
416 status = regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &val);
417 if (status == REG_VALID)
419 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
420 val = (val >> 12) & 3;
422 val = (val >> 44) & 3;
423 store_unsigned_integer (buf, regsize, byte_order, val);
428 if (regnum_is_gpr_full (tdep, regnum))
430 enum register_status status;
433 regnum -= tdep->gpr_full_regnum;
435 status = regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + regnum, &val);
436 if (status == REG_VALID)
437 status = regcache_raw_read_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
439 if (status == REG_VALID)
441 val |= val_upper << 32;
442 store_unsigned_integer (buf, regsize, byte_order, val);
447 if (regnum_is_vxr_full (tdep, regnum))
449 enum register_status status;
451 regnum -= tdep->v0_full_regnum;
453 status = regcache_raw_read (regcache, S390_F0_REGNUM + regnum, buf);
454 if (status == REG_VALID)
455 status = regcache_raw_read (regcache,
456 S390_V0_LOWER_REGNUM + regnum, buf + 8);
460 internal_error (__FILE__, __LINE__, _("invalid regnum"));
464 s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
465 int regnum, const gdb_byte *buf)
467 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
468 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
469 int regsize = register_size (gdbarch, regnum);
472 if (regnum == tdep->pc_regnum)
474 val = extract_unsigned_integer (buf, regsize, byte_order);
475 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
477 regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw);
478 val = (psw & 0x80000000) | (val & 0x7fffffff);
480 regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val);
484 if (regnum == tdep->cc_regnum)
486 val = extract_unsigned_integer (buf, regsize, byte_order);
487 regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw);
488 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
489 val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12);
491 val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44);
492 regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val);
496 if (regnum_is_gpr_full (tdep, regnum))
498 regnum -= tdep->gpr_full_regnum;
499 val = extract_unsigned_integer (buf, regsize, byte_order);
500 regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum,
502 regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
507 if (regnum_is_vxr_full (tdep, regnum))
509 regnum -= tdep->v0_full_regnum;
510 regcache_raw_write (regcache, S390_F0_REGNUM + regnum, buf);
511 regcache_raw_write (regcache, S390_V0_LOWER_REGNUM + regnum, buf + 8);
515 internal_error (__FILE__, __LINE__, _("invalid regnum"));
518 /* 'float' values are stored in the upper half of floating-point
519 registers, even though we are otherwise a big-endian platform. The
520 same applies to a 'float' value within a vector. */
522 static struct value *
523 s390_value_from_register (struct gdbarch *gdbarch, struct type *type,
524 int regnum, struct frame_id frame_id)
526 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
527 struct value *value = default_value_from_register (gdbarch, type,
529 check_typedef (type);
531 if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM
532 && TYPE_LENGTH (type) < 8)
533 || regnum_is_vxr_full (tdep, regnum)
534 || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM))
535 set_value_offset (value, 0);
540 /* Register groups. */
543 s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
544 struct reggroup *group)
546 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
548 /* We usually save/restore the whole PSW, which includes PC and CC.
549 However, some older gdbservers may not support saving/restoring
550 the whole PSW yet, and will return an XML register description
551 excluding those from the save/restore register groups. In those
552 cases, we still need to explicitly save/restore PC and CC in order
553 to push or pop frames. Since this doesn't hurt anything if we
554 already save/restore the whole PSW (it's just redundant), we add
555 PC and CC at this point unconditionally. */
556 if (group == save_reggroup || group == restore_reggroup)
557 return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum;
559 if (group == vector_reggroup)
560 return regnum_is_vxr_full (tdep, regnum);
562 if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum))
565 return default_register_reggroup_p (gdbarch, regnum, group);
568 /* The "ax_pseudo_register_collect" gdbarch method. */
571 s390_ax_pseudo_register_collect (struct gdbarch *gdbarch,
572 struct agent_expr *ax, int regnum)
574 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
575 if (regnum == tdep->pc_regnum)
577 ax_reg_mask (ax, S390_PSWA_REGNUM);
579 else if (regnum == tdep->cc_regnum)
581 ax_reg_mask (ax, S390_PSWM_REGNUM);
583 else if (regnum_is_gpr_full (tdep, regnum))
585 regnum -= tdep->gpr_full_regnum;
586 ax_reg_mask (ax, S390_R0_REGNUM + regnum);
587 ax_reg_mask (ax, S390_R0_UPPER_REGNUM + regnum);
589 else if (regnum_is_vxr_full (tdep, regnum))
591 regnum -= tdep->v0_full_regnum;
592 ax_reg_mask (ax, S390_F0_REGNUM + regnum);
593 ax_reg_mask (ax, S390_V0_LOWER_REGNUM + regnum);
597 internal_error (__FILE__, __LINE__, _("invalid regnum"));
602 /* The "ax_pseudo_register_push_stack" gdbarch method. */
605 s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch,
606 struct agent_expr *ax, int regnum)
608 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
609 if (regnum == tdep->pc_regnum)
611 ax_reg (ax, S390_PSWA_REGNUM);
612 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
614 ax_zero_ext (ax, 31);
617 else if (regnum == tdep->cc_regnum)
619 ax_reg (ax, S390_PSWM_REGNUM);
620 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
624 ax_simple (ax, aop_rsh_unsigned);
627 else if (regnum_is_gpr_full (tdep, regnum))
629 regnum -= tdep->gpr_full_regnum;
630 ax_reg (ax, S390_R0_REGNUM + regnum);
631 ax_reg (ax, S390_R0_UPPER_REGNUM + regnum);
633 ax_simple (ax, aop_lsh);
634 ax_simple (ax, aop_bit_or);
636 else if (regnum_is_vxr_full (tdep, regnum))
638 /* Too large to stuff on the stack. */
643 internal_error (__FILE__, __LINE__, _("invalid regnum"));
648 /* The "gen_return_address" gdbarch method. Since this is supposed to be
649 just a best-effort method, and we don't really have the means to run
650 the full unwinder here, just collect the link register. */
653 s390_gen_return_address (struct gdbarch *gdbarch,
654 struct agent_expr *ax, struct axs_value *value,
657 value->type = register_type (gdbarch, S390_R14_REGNUM);
658 value->kind = axs_lvalue_register;
659 value->u.reg = S390_R14_REGNUM;
663 /* A helper for s390_software_single_step, decides if an instruction
664 is a partial-execution instruction that needs to be executed until
665 completion when in record mode. If it is, returns 1 and writes
666 instruction length to a pointer. */
669 s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len)
671 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
674 insn = read_memory_integer (loc, 2, byte_order);
678 case 0xa8: /* MVCLE */
684 insn = read_memory_integer (loc + 4, 2, byte_order);
685 if ((insn & 0xff) == 0x8e)
697 case 0xb255: /* MVST */
698 case 0xb263: /* CMPSC */
699 case 0xb2a5: /* TRE */
700 case 0xb2a6: /* CU21 */
701 case 0xb2a7: /* CU12 */
702 case 0xb9b0: /* CU14 */
703 case 0xb9b1: /* CU24 */
704 case 0xb9b2: /* CU41 */
705 case 0xb9b3: /* CU42 */
706 case 0xb92a: /* KMF */
707 case 0xb92b: /* KMO */
708 case 0xb92f: /* KMC */
709 case 0xb92d: /* KMCTR */
710 case 0xb92e: /* KM */
711 case 0xb93c: /* PPNO */
712 case 0xb990: /* TRTT */
713 case 0xb991: /* TRTO */
714 case 0xb992: /* TROT */
715 case 0xb993: /* TROO */
723 /* Implement the "software_single_step" gdbarch method, needed to single step
724 through instructions like MVCLE in record mode, to make sure they are
725 executed to completion. Without that, record will save the full length
726 of destination buffer on every iteration, even though the CPU will only
727 process about 4kiB of it each time, leading to O(n**2) memory and time
730 static std::vector<CORE_ADDR>
731 s390_software_single_step (struct regcache *regcache)
733 struct gdbarch *gdbarch = regcache->arch ();
734 CORE_ADDR loc = regcache_read_pc (regcache);
735 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
739 /* Special handling only if recording. */
740 if (!record_full_is_used ())
743 /* First, match a partial instruction. */
744 if (!s390_is_partial_instruction (gdbarch, loc, &len))
749 /* Second, look for a branch back to it. */
750 insn = read_memory_integer (loc, 2, byte_order);
751 if (insn != 0xa714) /* BRC with mask 1 */
754 insn = read_memory_integer (loc + 2, 2, byte_order);
755 if (insn != (uint16_t) -(len / 2))
760 /* Found it, step past the whole thing. */
765 s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
766 struct displaced_step_closure *closure)
772 /* Maps for register sets. */
774 static const struct regcache_map_entry s390_gregmap[] =
776 { 1, S390_PSWM_REGNUM },
777 { 1, S390_PSWA_REGNUM },
778 { 16, S390_R0_REGNUM },
779 { 16, S390_A0_REGNUM },
780 { 1, S390_ORIG_R2_REGNUM },
784 static const struct regcache_map_entry s390_fpregmap[] =
786 { 1, S390_FPC_REGNUM, 8 },
787 { 16, S390_F0_REGNUM, 8 },
791 static const struct regcache_map_entry s390_regmap_upper[] =
793 { 16, S390_R0_UPPER_REGNUM, 4 },
797 static const struct regcache_map_entry s390_regmap_last_break[] =
799 { 1, REGCACHE_MAP_SKIP, 4 },
800 { 1, S390_LAST_BREAK_REGNUM, 4 },
804 static const struct regcache_map_entry s390x_regmap_last_break[] =
806 { 1, S390_LAST_BREAK_REGNUM, 8 },
810 static const struct regcache_map_entry s390_regmap_system_call[] =
812 { 1, S390_SYSTEM_CALL_REGNUM, 4 },
816 static const struct regcache_map_entry s390_regmap_tdb[] =
818 { 1, S390_TDB_DWORD0_REGNUM, 8 },
819 { 1, S390_TDB_ABORT_CODE_REGNUM, 8 },
820 { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 },
821 { 1, S390_TDB_ATIA_REGNUM, 8 },
822 { 12, REGCACHE_MAP_SKIP, 8 },
823 { 16, S390_TDB_R0_REGNUM, 8 },
827 static const struct regcache_map_entry s390_regmap_vxrs_low[] =
829 { 16, S390_V0_LOWER_REGNUM, 8 },
833 static const struct regcache_map_entry s390_regmap_vxrs_high[] =
835 { 16, S390_V16_REGNUM, 16 },
839 static const struct regcache_map_entry s390_regmap_gs[] =
841 { 1, REGCACHE_MAP_SKIP, 8 },
842 { 1, S390_GSD_REGNUM, 8 },
843 { 1, S390_GSSM_REGNUM, 8 },
844 { 1, S390_GSEPLA_REGNUM, 8 },
848 static const struct regcache_map_entry s390_regmap_gsbc[] =
850 { 1, REGCACHE_MAP_SKIP, 8 },
851 { 1, S390_BC_GSD_REGNUM, 8 },
852 { 1, S390_BC_GSSM_REGNUM, 8 },
853 { 1, S390_BC_GSEPLA_REGNUM, 8 },
858 /* Supply the TDB regset. Like regcache_supply_regset, but invalidate
859 the TDB registers unless the TDB format field is valid. */
862 s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache,
863 int regnum, const void *regs, size_t len)
866 enum register_status ret;
868 regcache_supply_regset (regset, regcache, regnum, regs, len);
869 ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw);
870 if (ret != REG_VALID || (tdw >> 56) != 1)
871 regcache_supply_regset (regset, regcache, regnum, NULL, len);
874 const struct regset s390_gregset = {
876 regcache_supply_regset,
877 regcache_collect_regset
880 const struct regset s390_fpregset = {
882 regcache_supply_regset,
883 regcache_collect_regset
886 static const struct regset s390_upper_regset = {
888 regcache_supply_regset,
889 regcache_collect_regset
892 const struct regset s390_last_break_regset = {
893 s390_regmap_last_break,
894 regcache_supply_regset,
895 regcache_collect_regset
898 const struct regset s390x_last_break_regset = {
899 s390x_regmap_last_break,
900 regcache_supply_regset,
901 regcache_collect_regset
904 const struct regset s390_system_call_regset = {
905 s390_regmap_system_call,
906 regcache_supply_regset,
907 regcache_collect_regset
910 const struct regset s390_tdb_regset = {
912 s390_supply_tdb_regset,
913 regcache_collect_regset
916 const struct regset s390_vxrs_low_regset = {
917 s390_regmap_vxrs_low,
918 regcache_supply_regset,
919 regcache_collect_regset
922 const struct regset s390_vxrs_high_regset = {
923 s390_regmap_vxrs_high,
924 regcache_supply_regset,
925 regcache_collect_regset
928 const struct regset s390_gs_regset = {
930 regcache_supply_regset,
931 regcache_collect_regset
934 const struct regset s390_gsbc_regset = {
936 regcache_supply_regset,
937 regcache_collect_regset
940 /* Iterate over supported core file register note sections. */
943 s390_iterate_over_regset_sections (struct gdbarch *gdbarch,
944 iterate_over_regset_sections_cb *cb,
946 const struct regcache *regcache)
948 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
949 const int gregset_size = (tdep->abi == ABI_LINUX_S390 ?
950 s390_sizeof_gregset : s390x_sizeof_gregset);
952 cb (".reg", gregset_size, &s390_gregset, NULL, cb_data);
953 cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data);
955 if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1)
956 cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset,
957 "s390 GPR upper halves", cb_data);
959 if (tdep->have_linux_v1)
960 cb (".reg-s390-last-break", 8,
961 (gdbarch_ptr_bit (gdbarch) == 32
962 ? &s390_last_break_regset : &s390x_last_break_regset),
963 "s390 last-break address", cb_data);
965 if (tdep->have_linux_v2)
966 cb (".reg-s390-system-call", 4, &s390_system_call_regset,
967 "s390 system-call", cb_data);
969 /* If regcache is set, we are in "write" (gcore) mode. In this
970 case, don't iterate over the TDB unless its registers are
974 || REG_VALID == regcache_register_status (regcache,
975 S390_TDB_DWORD0_REGNUM)))
976 cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset,
977 "s390 TDB", cb_data);
979 if (tdep->v0_full_regnum != -1)
981 cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset,
982 "s390 vector registers 0-15 lower half", cb_data);
983 cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset,
984 "s390 vector registers 16-31", cb_data);
987 /* Iterate over the guarded-storage regsets if in "read" mode, or if
988 their registers are available. */
992 || REG_VALID == regcache_register_status (regcache,
994 cb (".reg-s390-gs-cb", 4 * 8, &s390_gs_regset,
995 "s390 guarded-storage registers", cb_data);
998 || REG_VALID == regcache_register_status (regcache,
1000 cb (".reg-s390-gs-bc", 4 * 8, &s390_gsbc_regset,
1001 "s390 guarded-storage broadcast control", cb_data);
1005 static const struct target_desc *
1006 s390_core_read_description (struct gdbarch *gdbarch,
1007 struct target_ops *target, bfd *abfd)
1009 asection *section = bfd_get_section_by_name (abfd, ".reg");
1010 CORE_ADDR hwcap = 0;
1011 bool high_gprs, v1, v2, te, vx, gs;
1013 target_auxv_search (target, AT_HWCAP, &hwcap);
1017 high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs")
1019 v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL);
1020 v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL);
1021 vx = (hwcap & HWCAP_S390_VX);
1022 te = (hwcap & HWCAP_S390_TE);
1023 gs = (hwcap & HWCAP_S390_GS);
1025 switch (bfd_section_size (abfd, section))
1027 case s390_sizeof_gregset:
1029 return (gs ? tdesc_s390_gs_linux64 :
1030 te && vx ? tdesc_s390_tevx_linux64 :
1031 vx ? tdesc_s390_vx_linux64 :
1032 te ? tdesc_s390_te_linux64 :
1033 v2 ? tdesc_s390_linux64v2 :
1034 v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64);
1036 return (v2 ? tdesc_s390_linux32v2 :
1037 v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32);
1039 case s390x_sizeof_gregset:
1040 return (gs ? tdesc_s390x_gs_linux64 :
1041 te && vx ? tdesc_s390x_tevx_linux64 :
1042 vx ? tdesc_s390x_vx_linux64 :
1043 te ? tdesc_s390x_te_linux64 :
1044 v2 ? tdesc_s390x_linux64v2 :
1045 v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64);
1053 /* Decoding S/390 instructions. */
1055 /* Named opcode values for the S/390 instructions we recognize. Some
1056 instructions have their opcode split across two fields; those are the
1057 op1_* and op2_* enums. */
1060 op1_lhi = 0xa7, op2_lhi = 0x08,
1061 op1_lghi = 0xa7, op2_lghi = 0x09,
1062 op1_lgfi = 0xc0, op2_lgfi = 0x01,
1066 op1_ly = 0xe3, op2_ly = 0x58,
1067 op1_lg = 0xe3, op2_lg = 0x04,
1069 op1_lmy = 0xeb, op2_lmy = 0x98,
1070 op1_lmg = 0xeb, op2_lmg = 0x04,
1072 op1_sty = 0xe3, op2_sty = 0x50,
1073 op1_stg = 0xe3, op2_stg = 0x24,
1076 op1_stmy = 0xeb, op2_stmy = 0x90,
1077 op1_stmg = 0xeb, op2_stmg = 0x24,
1078 op1_aghi = 0xa7, op2_aghi = 0x0b,
1079 op1_ahi = 0xa7, op2_ahi = 0x0a,
1080 op1_agfi = 0xc2, op2_agfi = 0x08,
1081 op1_afi = 0xc2, op2_afi = 0x09,
1082 op1_algfi= 0xc2, op2_algfi= 0x0a,
1083 op1_alfi = 0xc2, op2_alfi = 0x0b,
1087 op1_ay = 0xe3, op2_ay = 0x5a,
1088 op1_ag = 0xe3, op2_ag = 0x08,
1089 op1_slgfi= 0xc2, op2_slgfi= 0x04,
1090 op1_slfi = 0xc2, op2_slfi = 0x05,
1094 op1_sy = 0xe3, op2_sy = 0x5b,
1095 op1_sg = 0xe3, op2_sg = 0x09,
1099 op1_lay = 0xe3, op2_lay = 0x71,
1100 op1_larl = 0xc0, op2_larl = 0x00,
1108 op1_bctg = 0xe3, op2_bctg = 0x46,
1110 op1_bxhg = 0xeb, op2_bxhg = 0x44,
1112 op1_bxleg= 0xeb, op2_bxleg= 0x45,
1113 op1_bras = 0xa7, op2_bras = 0x05,
1114 op1_brasl= 0xc0, op2_brasl= 0x05,
1115 op1_brc = 0xa7, op2_brc = 0x04,
1116 op1_brcl = 0xc0, op2_brcl = 0x04,
1117 op1_brct = 0xa7, op2_brct = 0x06,
1118 op1_brctg= 0xa7, op2_brctg= 0x07,
1120 op1_brxhg= 0xec, op2_brxhg= 0x44,
1122 op1_brxlg= 0xec, op2_brxlg= 0x45,
1127 /* Read a single instruction from address AT. */
1129 #define S390_MAX_INSTR_SIZE 6
1131 s390_readinstruction (bfd_byte instr[], CORE_ADDR at)
1133 static int s390_instrlen[] = { 2, 4, 4, 6 };
1136 if (target_read_memory (at, &instr[0], 2))
1138 instrlen = s390_instrlen[instr[0] >> 6];
1141 if (target_read_memory (at + 2, &instr[2], instrlen - 2))
1148 /* The functions below are for recognizing and decoding S/390
1149 instructions of various formats. Each of them checks whether INSN
1150 is an instruction of the given format, with the specified opcodes.
1151 If it is, it sets the remaining arguments to the values of the
1152 instruction's fields, and returns a non-zero value; otherwise, it
1155 These functions' arguments appear in the order they appear in the
1156 instruction, not in the machine-language form. So, opcodes always
1157 come first, even though they're sometimes scattered around the
1158 instructions. And displacements appear before base and extension
1159 registers, as they do in the assembly syntax, not at the end, as
1160 they do in the machine language. */
1162 is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2)
1164 if (insn[0] == op1 && (insn[1] & 0xf) == op2)
1166 *r1 = (insn[1] >> 4) & 0xf;
1167 /* i2 is a 16-bit signed quantity. */
1168 *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000;
1177 is_ril (bfd_byte *insn, int op1, int op2,
1178 unsigned int *r1, int *i2)
1180 if (insn[0] == op1 && (insn[1] & 0xf) == op2)
1182 *r1 = (insn[1] >> 4) & 0xf;
1183 /* i2 is a signed quantity. If the host 'int' is 32 bits long,
1184 no sign extension is necessary, but we don't want to assume
1186 *i2 = (((insn[2] << 24)
1189 | (insn[5])) ^ 0x80000000) - 0x80000000;
1198 is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
1202 *r1 = (insn[1] >> 4) & 0xf;
1203 *r2 = insn[1] & 0xf;
1212 is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
1214 if (((insn[0] << 8) | insn[1]) == op)
1216 /* Yes, insn[3]. insn[2] is unused in RRE format. */
1217 *r1 = (insn[3] >> 4) & 0xf;
1218 *r2 = insn[3] & 0xf;
1227 is_rs (bfd_byte *insn, int op,
1228 unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
1232 *r1 = (insn[1] >> 4) & 0xf;
1233 *r3 = insn[1] & 0xf;
1234 *b2 = (insn[2] >> 4) & 0xf;
1235 *d2 = ((insn[2] & 0xf) << 8) | insn[3];
1244 is_rsy (bfd_byte *insn, int op1, int op2,
1245 unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
1250 *r1 = (insn[1] >> 4) & 0xf;
1251 *r3 = insn[1] & 0xf;
1252 *b2 = (insn[2] >> 4) & 0xf;
1253 /* The 'long displacement' is a 20-bit signed integer. */
1254 *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
1255 ^ 0x80000) - 0x80000;
1264 is_rx (bfd_byte *insn, int op,
1265 unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
1269 *r1 = (insn[1] >> 4) & 0xf;
1270 *x2 = insn[1] & 0xf;
1271 *b2 = (insn[2] >> 4) & 0xf;
1272 *d2 = ((insn[2] & 0xf) << 8) | insn[3];
1281 is_rxy (bfd_byte *insn, int op1, int op2,
1282 unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
1287 *r1 = (insn[1] >> 4) & 0xf;
1288 *x2 = insn[1] & 0xf;
1289 *b2 = (insn[2] >> 4) & 0xf;
1290 /* The 'long displacement' is a 20-bit signed integer. */
1291 *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
1292 ^ 0x80000) - 0x80000;
1300 /* Prologue analysis. */
1302 #define S390_NUM_GPRS 16
1303 #define S390_NUM_FPRS 16
1305 struct s390_prologue_data {
1308 struct pv_area *stack;
1310 /* The size and byte-order of a GPR or FPR. */
1313 enum bfd_endian byte_order;
1315 /* The general-purpose registers. */
1316 pv_t gpr[S390_NUM_GPRS];
1318 /* The floating-point registers. */
1319 pv_t fpr[S390_NUM_FPRS];
1321 /* The offset relative to the CFA where the incoming GPR N was saved
1322 by the function prologue. 0 if not saved or unknown. */
1323 int gpr_slot[S390_NUM_GPRS];
1325 /* Likewise for FPRs. */
1326 int fpr_slot[S390_NUM_FPRS];
1328 /* Nonzero if the backchain was saved. This is assumed to be the
1329 case when the incoming SP is saved at the current SP location. */
1330 int back_chain_saved_p;
1333 /* Return the effective address for an X-style instruction, like:
1337 Here, X2 and B2 are registers, and D2 is a signed 20-bit
1338 constant; the effective address is the sum of all three. If either
1339 X2 or B2 are zero, then it doesn't contribute to the sum --- this
1340 means that r0 can't be used as either X2 or B2. */
1342 s390_addr (struct s390_prologue_data *data,
1343 int d2, unsigned int x2, unsigned int b2)
1347 result = pv_constant (d2);
1349 result = pv_add (result, data->gpr[x2]);
1351 result = pv_add (result, data->gpr[b2]);
1356 /* Do a SIZE-byte store of VALUE to D2(X2,B2). */
1358 s390_store (struct s390_prologue_data *data,
1359 int d2, unsigned int x2, unsigned int b2, CORE_ADDR size,
1362 pv_t addr = s390_addr (data, d2, x2, b2);
1365 /* Check whether we are storing the backchain. */
1366 offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr);
1368 if (pv_is_constant (offset) && offset.k == 0)
1369 if (size == data->gpr_size
1370 && pv_is_register_k (value, S390_SP_REGNUM, 0))
1372 data->back_chain_saved_p = 1;
1377 /* Check whether we are storing a register into the stack. */
1378 if (!data->stack->store_would_trash (addr))
1379 data->stack->store (addr, size, value);
1382 /* Note: If this is some store we cannot identify, you might think we
1383 should forget our cached values, as any of those might have been hit.
1385 However, we make the assumption that the register save areas are only
1386 ever stored to once in any given function, and we do recognize these
1387 stores. Thus every store we cannot recognize does not hit our data. */
1390 /* Do a SIZE-byte load from D2(X2,B2). */
1392 s390_load (struct s390_prologue_data *data,
1393 int d2, unsigned int x2, unsigned int b2, CORE_ADDR size)
1396 pv_t addr = s390_addr (data, d2, x2, b2);
1398 /* If it's a load from an in-line constant pool, then we can
1399 simulate that, under the assumption that the code isn't
1400 going to change between the time the processor actually
1401 executed it creating the current frame, and the time when
1402 we're analyzing the code to unwind past that frame. */
1403 if (pv_is_constant (addr))
1405 struct target_section *secp;
1406 secp = target_section_by_addr (¤t_target, addr.k);
1408 && (bfd_get_section_flags (secp->the_bfd_section->owner,
1409 secp->the_bfd_section)
1411 return pv_constant (read_memory_integer (addr.k, size,
1415 /* Check whether we are accessing one of our save slots. */
1416 return data->stack->fetch (addr, size);
1419 /* Function for finding saved registers in a 'struct pv_area'; we pass
1420 this to pv_area::scan.
1422 If VALUE is a saved register, ADDR says it was saved at a constant
1423 offset from the frame base, and SIZE indicates that the whole
1424 register was saved, record its offset in the reg_offset table in
1425 PROLOGUE_UNTYPED. */
1427 s390_check_for_saved (void *data_untyped, pv_t addr,
1428 CORE_ADDR size, pv_t value)
1430 struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped;
1433 if (!pv_is_register (addr, S390_SP_REGNUM))
1436 offset = 16 * data->gpr_size + 32 - addr.k;
1438 /* If we are storing the original value of a register, we want to
1439 record the CFA offset. If the same register is stored multiple
1440 times, the stack slot with the highest address counts. */
1442 for (i = 0; i < S390_NUM_GPRS; i++)
1443 if (size == data->gpr_size
1444 && pv_is_register_k (value, S390_R0_REGNUM + i, 0))
1445 if (data->gpr_slot[i] == 0
1446 || data->gpr_slot[i] > offset)
1448 data->gpr_slot[i] = offset;
1452 for (i = 0; i < S390_NUM_FPRS; i++)
1453 if (size == data->fpr_size
1454 && pv_is_register_k (value, S390_F0_REGNUM + i, 0))
1455 if (data->fpr_slot[i] == 0
1456 || data->fpr_slot[i] > offset)
1458 data->fpr_slot[i] = offset;
1463 /* Analyze the prologue of the function starting at START_PC,
1464 continuing at most until CURRENT_PC. Initialize DATA to
1465 hold all information we find out about the state of the registers
1466 and stack slots. Return the address of the instruction after
1467 the last one that changed the SP, FP, or back chain; or zero
1470 s390_analyze_prologue (struct gdbarch *gdbarch,
1472 CORE_ADDR current_pc,
1473 struct s390_prologue_data *data)
1475 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
1477 /* Our return value:
1478 The address of the instruction after the last one that changed
1479 the SP, FP, or back chain; zero if we got an error trying to
1481 CORE_ADDR result = start_pc;
1483 /* The current PC for our abstract interpretation. */
1486 /* The address of the next instruction after that. */
1489 pv_area stack (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch));
1490 scoped_restore restore_stack = make_scoped_restore (&data->stack, &stack);
1492 /* Set up everything's initial value. */
1496 /* For the purpose of prologue tracking, we consider the GPR size to
1497 be equal to the ABI word size, even if it is actually larger
1498 (i.e. when running a 32-bit binary under a 64-bit kernel). */
1499 data->gpr_size = word_size;
1501 data->byte_order = gdbarch_byte_order (gdbarch);
1503 for (i = 0; i < S390_NUM_GPRS; i++)
1504 data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0);
1506 for (i = 0; i < S390_NUM_FPRS; i++)
1507 data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0);
1509 for (i = 0; i < S390_NUM_GPRS; i++)
1510 data->gpr_slot[i] = 0;
1512 for (i = 0; i < S390_NUM_FPRS; i++)
1513 data->fpr_slot[i] = 0;
1515 data->back_chain_saved_p = 0;
1518 /* Start interpreting instructions, until we hit the frame's
1519 current PC or the first branch instruction. */
1520 for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc)
1522 bfd_byte insn[S390_MAX_INSTR_SIZE];
1523 int insn_len = s390_readinstruction (insn, pc);
1525 bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 };
1526 bfd_byte *insn32 = word_size == 4 ? insn : dummy;
1527 bfd_byte *insn64 = word_size == 8 ? insn : dummy;
1529 /* Fields for various kinds of instructions. */
1530 unsigned int b2, r1, r2, x2, r3;
1533 /* The values of SP and FP before this instruction,
1534 for detecting instructions that change them. */
1535 pv_t pre_insn_sp, pre_insn_fp;
1536 /* Likewise for the flag whether the back chain was saved. */
1537 int pre_insn_back_chain_saved_p;
1539 /* If we got an error trying to read the instruction, report it. */
1546 next_pc = pc + insn_len;
1548 pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
1549 pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
1550 pre_insn_back_chain_saved_p = data->back_chain_saved_p;
1553 /* LHI r1, i2 --- load halfword immediate. */
1554 /* LGHI r1, i2 --- load halfword immediate (64-bit version). */
1555 /* LGFI r1, i2 --- load fullword immediate. */
1556 if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2)
1557 || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2)
1558 || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2))
1559 data->gpr[r1] = pv_constant (i2);
1561 /* LR r1, r2 --- load from register. */
1562 /* LGR r1, r2 --- load from register (64-bit version). */
1563 else if (is_rr (insn32, op_lr, &r1, &r2)
1564 || is_rre (insn64, op_lgr, &r1, &r2))
1565 data->gpr[r1] = data->gpr[r2];
1567 /* L r1, d2(x2, b2) --- load. */
1568 /* LY r1, d2(x2, b2) --- load (long-displacement version). */
1569 /* LG r1, d2(x2, b2) --- load (64-bit version). */
1570 else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2)
1571 || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2)
1572 || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2))
1573 data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size);
1575 /* ST r1, d2(x2, b2) --- store. */
1576 /* STY r1, d2(x2, b2) --- store (long-displacement version). */
1577 /* STG r1, d2(x2, b2) --- store (64-bit version). */
1578 else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2)
1579 || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2)
1580 || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2))
1581 s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]);
1583 /* STD r1, d2(x2,b2) --- store floating-point register. */
1584 else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2))
1585 s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]);
1587 /* STM r1, r3, d2(b2) --- store multiple. */
1588 /* STMY r1, r3, d2(b2) --- store multiple (long-displacement
1590 /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */
1591 else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2)
1592 || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2)
1593 || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2))
1595 for (; r1 <= r3; r1++, d2 += data->gpr_size)
1596 s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]);
1599 /* AHI r1, i2 --- add halfword immediate. */
1600 /* AGHI r1, i2 --- add halfword immediate (64-bit version). */
1601 /* AFI r1, i2 --- add fullword immediate. */
1602 /* AGFI r1, i2 --- add fullword immediate (64-bit version). */
1603 else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2)
1604 || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2)
1605 || is_ril (insn32, op1_afi, op2_afi, &r1, &i2)
1606 || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2))
1607 data->gpr[r1] = pv_add_constant (data->gpr[r1], i2);
1609 /* ALFI r1, i2 --- add logical immediate. */
1610 /* ALGFI r1, i2 --- add logical immediate (64-bit version). */
1611 else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2)
1612 || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2))
1613 data->gpr[r1] = pv_add_constant (data->gpr[r1],
1614 (CORE_ADDR)i2 & 0xffffffff);
1616 /* AR r1, r2 -- add register. */
1617 /* AGR r1, r2 -- add register (64-bit version). */
1618 else if (is_rr (insn32, op_ar, &r1, &r2)
1619 || is_rre (insn64, op_agr, &r1, &r2))
1620 data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]);
1622 /* A r1, d2(x2, b2) -- add. */
1623 /* AY r1, d2(x2, b2) -- add (long-displacement version). */
1624 /* AG r1, d2(x2, b2) -- add (64-bit version). */
1625 else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2)
1626 || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2)
1627 || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2))
1628 data->gpr[r1] = pv_add (data->gpr[r1],
1629 s390_load (data, d2, x2, b2, data->gpr_size));
1631 /* SLFI r1, i2 --- subtract logical immediate. */
1632 /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */
1633 else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2)
1634 || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2))
1635 data->gpr[r1] = pv_add_constant (data->gpr[r1],
1636 -((CORE_ADDR)i2 & 0xffffffff));
1638 /* SR r1, r2 -- subtract register. */
1639 /* SGR r1, r2 -- subtract register (64-bit version). */
1640 else if (is_rr (insn32, op_sr, &r1, &r2)
1641 || is_rre (insn64, op_sgr, &r1, &r2))
1642 data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]);
1644 /* S r1, d2(x2, b2) -- subtract. */
1645 /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */
1646 /* SG r1, d2(x2, b2) -- subtract (64-bit version). */
1647 else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2)
1648 || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2)
1649 || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2))
1650 data->gpr[r1] = pv_subtract (data->gpr[r1],
1651 s390_load (data, d2, x2, b2, data->gpr_size));
1653 /* LA r1, d2(x2, b2) --- load address. */
1654 /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */
1655 else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2)
1656 || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2))
1657 data->gpr[r1] = s390_addr (data, d2, x2, b2);
1659 /* LARL r1, i2 --- load address relative long. */
1660 else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
1661 data->gpr[r1] = pv_constant (pc + i2 * 2);
1663 /* BASR r1, 0 --- branch and save.
1664 Since r2 is zero, this saves the PC in r1, but doesn't branch. */
1665 else if (is_rr (insn, op_basr, &r1, &r2)
1667 data->gpr[r1] = pv_constant (next_pc);
1669 /* BRAS r1, i2 --- branch relative and save. */
1670 else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2))
1672 data->gpr[r1] = pv_constant (next_pc);
1673 next_pc = pc + i2 * 2;
1675 /* We'd better not interpret any backward branches. We'll
1681 /* BRC/BRCL -- branch relative on condition. Ignore "branch
1682 never", branch to following instruction, and "conditional
1683 trap" (BRC +2). Otherwise terminate search. */
1684 else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2))
1686 if (r1 != 0 && i2 != 1 && i2 != 2)
1689 else if (is_ril (insn, op1_brcl, op2_brcl, &r1, &i2))
1691 if (r1 != 0 && i2 != 3)
1695 /* Terminate search when hitting any other branch instruction. */
1696 else if (is_rr (insn, op_basr, &r1, &r2)
1697 || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)
1698 || is_rr (insn, op_bcr, &r1, &r2)
1699 || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
1700 || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2))
1705 /* An instruction we don't know how to simulate. The only
1706 safe thing to do would be to set every value we're tracking
1707 to 'unknown'. Instead, we'll be optimistic: we assume that
1708 we *can* interpret every instruction that the compiler uses
1709 to manipulate any of the data we're interested in here --
1710 then we can just ignore anything else. */
1713 /* Record the address after the last instruction that changed
1714 the FP, SP, or backlink. Ignore instructions that changed
1715 them back to their original values --- those are probably
1716 restore instructions. (The back chain is never restored,
1719 pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
1720 pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
1722 if ((! pv_is_identical (pre_insn_sp, sp)
1723 && ! pv_is_register_k (sp, S390_SP_REGNUM, 0)
1724 && sp.kind != pvk_unknown)
1725 || (! pv_is_identical (pre_insn_fp, fp)
1726 && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0)
1727 && fp.kind != pvk_unknown)
1728 || pre_insn_back_chain_saved_p != data->back_chain_saved_p)
1733 /* Record where all the registers were saved. */
1734 data->stack->scan (s390_check_for_saved, data);
1739 /* Advance PC across any function entry prologue instructions to reach
1740 some "real" code. */
1742 s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
1744 struct s390_prologue_data data;
1745 CORE_ADDR skip_pc, func_addr;
1747 if (find_pc_partial_function (pc, NULL, &func_addr, NULL))
1749 CORE_ADDR post_prologue_pc
1750 = skip_prologue_using_sal (gdbarch, func_addr);
1751 if (post_prologue_pc != 0)
1752 return std::max (pc, post_prologue_pc);
1755 skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data);
1756 return skip_pc ? skip_pc : pc;
1759 /* Implmement the stack_frame_destroyed_p gdbarch method. */
1761 s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
1763 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
1765 /* In frameless functions, there's not frame to destroy and thus
1766 we don't care about the epilogue.
1768 In functions with frame, the epilogue sequence is a pair of
1769 a LM-type instruction that restores (amongst others) the
1770 return register %r14 and the stack pointer %r15, followed
1771 by a branch 'br %r14' --or equivalent-- that effects the
1774 In that situation, this function needs to return 'true' in
1775 exactly one case: when pc points to that branch instruction.
1777 Thus we try to disassemble the one instructions immediately
1778 preceding pc and check whether it is an LM-type instruction
1779 modifying the stack pointer.
1781 Note that disassembling backwards is not reliable, so there
1782 is a slight chance of false positives here ... */
1785 unsigned int r1, r3, b2;
1789 && !target_read_memory (pc - 4, insn, 4)
1790 && is_rs (insn, op_lm, &r1, &r3, &d2, &b2)
1791 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1795 && !target_read_memory (pc - 6, insn, 6)
1796 && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2)
1797 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1801 && !target_read_memory (pc - 6, insn, 6)
1802 && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2)
1803 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1809 /* Displaced stepping. */
1811 /* Return true if INSN is a non-branch RIL-b or RIL-c format
1815 is_non_branch_ril (gdb_byte *insn)
1817 gdb_byte op1 = insn[0];
1821 gdb_byte op2 = insn[1] & 0x0f;
1825 case 0x02: /* llhrl */
1826 case 0x04: /* lghrl */
1827 case 0x05: /* lhrl */
1828 case 0x06: /* llghrl */
1829 case 0x07: /* sthrl */
1830 case 0x08: /* lgrl */
1831 case 0x0b: /* stgrl */
1832 case 0x0c: /* lgfrl */
1833 case 0x0d: /* lrl */
1834 case 0x0e: /* llgfrl */
1835 case 0x0f: /* strl */
1839 else if (op1 == 0xc6)
1841 gdb_byte op2 = insn[1] & 0x0f;
1845 case 0x00: /* exrl */
1846 case 0x02: /* pfdrl */
1847 case 0x04: /* cghrl */
1848 case 0x05: /* chrl */
1849 case 0x06: /* clghrl */
1850 case 0x07: /* clhrl */
1851 case 0x08: /* cgrl */
1852 case 0x0a: /* clgrl */
1853 case 0x0c: /* cgfrl */
1854 case 0x0d: /* crl */
1855 case 0x0e: /* clgfrl */
1856 case 0x0f: /* clrl */
1864 typedef buf_displaced_step_closure s390_displaced_step_closure;
1866 /* Implementation of gdbarch_displaced_step_copy_insn. */
1868 static struct displaced_step_closure *
1869 s390_displaced_step_copy_insn (struct gdbarch *gdbarch,
1870 CORE_ADDR from, CORE_ADDR to,
1871 struct regcache *regs)
1873 size_t len = gdbarch_max_insn_length (gdbarch);
1874 std::unique_ptr<s390_displaced_step_closure> closure
1875 (new s390_displaced_step_closure (len));
1876 gdb_byte *buf = closure->buf.data ();
1878 read_memory (from, buf, len);
1880 /* Adjust the displacement field of PC-relative RIL instructions,
1881 except branches. The latter are handled in the fixup hook. */
1882 if (is_non_branch_ril (buf))
1886 offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG);
1887 offset = (from - to + offset * 2) / 2;
1889 /* If the instruction is too far from the jump pad, punt. This
1890 will usually happen with instructions in shared libraries.
1891 We could probably support these by rewriting them to be
1892 absolute or fully emulating them. */
1893 if (offset < INT32_MIN || offset > INT32_MAX)
1895 /* Let the core fall back to stepping over the breakpoint
1897 if (debug_displaced)
1899 fprintf_unfiltered (gdb_stdlog,
1900 "displaced: can't displaced step "
1901 "RIL instruction: offset %s out of range\n",
1908 store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset);
1911 write_memory (to, buf, len);
1913 if (debug_displaced)
1915 fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ",
1916 paddress (gdbarch, from), paddress (gdbarch, to));
1917 displaced_step_dump_bytes (gdb_stdlog, buf, len);
1920 return closure.release ();
1923 /* Fix up the state of registers and memory after having single-stepped
1924 a displaced instruction. */
1926 s390_displaced_step_fixup (struct gdbarch *gdbarch,
1927 struct displaced_step_closure *closure_,
1928 CORE_ADDR from, CORE_ADDR to,
1929 struct regcache *regs)
1931 /* Our closure is a copy of the instruction. */
1932 s390_displaced_step_closure *closure
1933 = (s390_displaced_step_closure *) closure_;
1934 gdb_byte *insn = closure->buf.data ();
1935 static int s390_instrlen[] = { 2, 4, 4, 6 };
1936 int insnlen = s390_instrlen[insn[0] >> 6];
1938 /* Fields for various kinds of instructions. */
1939 unsigned int b2, r1, r2, x2, r3;
1942 /* Get current PC and addressing mode bit. */
1943 CORE_ADDR pc = regcache_read_pc (regs);
1946 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
1948 regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode);
1949 amode &= 0x80000000;
1952 if (debug_displaced)
1953 fprintf_unfiltered (gdb_stdlog,
1954 "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n",
1955 paddress (gdbarch, from), paddress (gdbarch, to),
1956 paddress (gdbarch, pc), insnlen, (int) amode);
1958 /* Handle absolute branch and save instructions. */
1959 if (is_rr (insn, op_basr, &r1, &r2)
1960 || is_rx (insn, op_bas, &r1, &d2, &x2, &b2))
1962 /* Recompute saved return address in R1. */
1963 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1964 amode | (from + insnlen));
1967 /* Handle absolute branch instructions. */
1968 else if (is_rr (insn, op_bcr, &r1, &r2)
1969 || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
1970 || is_rr (insn, op_bctr, &r1, &r2)
1971 || is_rre (insn, op_bctgr, &r1, &r2)
1972 || is_rx (insn, op_bct, &r1, &d2, &x2, &b2)
1973 || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2)
1974 || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2)
1975 || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2)
1976 || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2)
1977 || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2))
1979 /* Update PC iff branch was *not* taken. */
1980 if (pc == to + insnlen)
1981 regcache_write_pc (regs, from + insnlen);
1984 /* Handle PC-relative branch and save instructions. */
1985 else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)
1986 || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2))
1989 regcache_write_pc (regs, pc - to + from);
1990 /* Recompute saved return address in R1. */
1991 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1992 amode | (from + insnlen));
1995 /* Handle LOAD ADDRESS RELATIVE LONG. */
1996 else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
1999 regcache_write_pc (regs, from + insnlen);
2000 /* Recompute output address in R1. */
2001 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
2002 amode | (from + i2 * 2));
2005 /* If we executed a breakpoint instruction, point PC right back at it. */
2006 else if (insn[0] == 0x0 && insn[1] == 0x1)
2007 regcache_write_pc (regs, from);
2009 /* For any other insn, adjust PC by negated displacement. PC then
2010 points right after the original instruction, except for PC-relative
2011 branches, where it points to the adjusted branch target. */
2013 regcache_write_pc (regs, pc - to + from);
2015 if (debug_displaced)
2016 fprintf_unfiltered (gdb_stdlog,
2017 "displaced: (s390) pc is now %s\n",
2018 paddress (gdbarch, regcache_read_pc (regs)));
2022 /* Helper routine to unwind pseudo registers. */
2024 static struct value *
2025 s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum)
2027 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2028 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2029 struct type *type = register_type (gdbarch, regnum);
2031 /* Unwind PC via PSW address. */
2032 if (regnum == tdep->pc_regnum)
2036 val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM);
2037 if (!value_optimized_out (val))
2039 LONGEST pswa = value_as_long (val);
2041 if (TYPE_LENGTH (type) == 4)
2042 return value_from_pointer (type, pswa & 0x7fffffff);
2044 return value_from_pointer (type, pswa);
2048 /* Unwind CC via PSW mask. */
2049 if (regnum == tdep->cc_regnum)
2053 val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM);
2054 if (!value_optimized_out (val))
2056 LONGEST pswm = value_as_long (val);
2058 if (TYPE_LENGTH (type) == 4)
2059 return value_from_longest (type, (pswm >> 12) & 3);
2061 return value_from_longest (type, (pswm >> 44) & 3);
2065 /* Unwind full GPRs to show at least the lower halves (as the
2066 upper halves are undefined). */
2067 if (regnum_is_gpr_full (tdep, regnum))
2069 int reg = regnum - tdep->gpr_full_regnum;
2072 val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg);
2073 if (!value_optimized_out (val))
2074 return value_cast (type, val);
2077 return allocate_optimized_out_value (type);
2080 static struct value *
2081 s390_trad_frame_prev_register (struct frame_info *this_frame,
2082 struct trad_frame_saved_reg saved_regs[],
2085 if (regnum < S390_NUM_REGS)
2086 return trad_frame_get_prev_register (this_frame, saved_regs, regnum);
2088 return s390_unwind_pseudo_register (this_frame, regnum);
2092 /* Normal stack frames. */
2094 struct s390_unwind_cache {
2097 CORE_ADDR frame_base;
2098 CORE_ADDR local_base;
2100 struct trad_frame_saved_reg *saved_regs;
2104 s390_prologue_frame_unwind_cache (struct frame_info *this_frame,
2105 struct s390_unwind_cache *info)
2107 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2108 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2109 struct s390_prologue_data data;
2110 pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
2111 pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
2120 struct frame_info *next_frame;
2122 /* Try to find the function start address. If we can't find it, we don't
2123 bother searching for it -- with modern compilers this would be mostly
2124 pointless anyway. Trust that we'll either have valid DWARF-2 CFI data
2125 or else a valid backchain ... */
2126 if (!get_frame_func_if_available (this_frame, &info->func))
2133 /* Try to analyze the prologue. */
2134 result = s390_analyze_prologue (gdbarch, func,
2135 get_frame_pc (this_frame), &data);
2139 /* If this was successful, we should have found the instruction that
2140 sets the stack pointer register to the previous value of the stack
2141 pointer minus the frame size. */
2142 if (!pv_is_register (*sp, S390_SP_REGNUM))
2145 /* A frame size of zero at this point can mean either a real
2146 frameless function, or else a failure to find the prologue.
2147 Perform some sanity checks to verify we really have a
2148 frameless function. */
2151 /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame
2152 size zero. This is only possible if the next frame is a sentinel
2153 frame, a dummy frame, or a signal trampoline frame. */
2154 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be
2155 needed, instead the code should simpliy rely on its
2157 next_frame = get_next_frame (this_frame);
2158 while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
2159 next_frame = get_next_frame (next_frame);
2161 && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME)
2164 /* If we really have a frameless function, %r14 must be valid
2165 -- in particular, it must point to a different function. */
2166 reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM);
2167 reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1;
2168 if (get_pc_function_start (reg) == func)
2170 /* However, there is one case where it *is* valid for %r14
2171 to point to the same function -- if this is a recursive
2172 call, and we have stopped in the prologue *before* the
2173 stack frame was allocated.
2175 Recognize this case by looking ahead a bit ... */
2177 struct s390_prologue_data data2;
2178 pv_t *sp = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
2180 if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2)
2181 && pv_is_register (*sp, S390_SP_REGNUM)
2188 /* OK, we've found valid prologue data. */
2191 /* If the frame pointer originally also holds the same value
2192 as the stack pointer, we're probably using it. If it holds
2193 some other value -- even a constant offset -- it is most
2194 likely used as temp register. */
2195 if (pv_is_identical (*sp, *fp))
2196 frame_pointer = S390_FRAME_REGNUM;
2198 frame_pointer = S390_SP_REGNUM;
2200 /* If we've detected a function with stack frame, we'll still have to
2201 treat it as frameless if we're currently within the function epilog
2202 code at a point where the frame pointer has already been restored.
2203 This can only happen in an innermost frame. */
2204 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed,
2205 instead the code should simpliy rely on its analysis. */
2206 next_frame = get_next_frame (this_frame);
2207 while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
2208 next_frame = get_next_frame (next_frame);
2210 && (next_frame == NULL
2211 || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME))
2213 /* See the comment in s390_stack_frame_destroyed_p on why this is
2214 not completely reliable ... */
2215 if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame)))
2217 memset (&data, 0, sizeof (data));
2219 frame_pointer = S390_SP_REGNUM;
2223 /* Once we know the frame register and the frame size, we can unwind
2224 the current value of the frame register from the next frame, and
2225 add back the frame size to arrive that the previous frame's
2226 stack pointer value. */
2227 prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size;
2228 cfa = prev_sp + 16*word_size + 32;
2230 /* Set up ABI call-saved/call-clobbered registers. */
2231 for (i = 0; i < S390_NUM_REGS; i++)
2232 if (!s390_register_call_saved (gdbarch, i))
2233 trad_frame_set_unknown (info->saved_regs, i);
2235 /* CC is always call-clobbered. */
2236 trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
2238 /* Record the addresses of all register spill slots the prologue parser
2239 has recognized. Consider only registers defined as call-saved by the
2240 ABI; for call-clobbered registers the parser may have recognized
2243 for (i = 0; i < 16; i++)
2244 if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i)
2245 && data.gpr_slot[i] != 0)
2246 info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i];
2248 for (i = 0; i < 16; i++)
2249 if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i)
2250 && data.fpr_slot[i] != 0)
2251 info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i];
2253 /* Function return will set PC to %r14. */
2254 info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM];
2256 /* In frameless functions, we unwind simply by moving the return
2257 address to the PC. However, if we actually stored to the
2258 save area, use that -- we might only think the function frameless
2259 because we're in the middle of the prologue ... */
2261 && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
2263 info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
2266 /* Another sanity check: unless this is a frameless function,
2267 we should have found spill slots for SP and PC.
2268 If not, we cannot unwind further -- this happens e.g. in
2269 libc's thread_start routine. */
2272 if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM)
2273 || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
2277 /* We use the current value of the frame register as local_base,
2278 and the top of the register save area as frame_base. */
2281 info->frame_base = prev_sp + 16*word_size + 32;
2282 info->local_base = prev_sp - size;
2289 s390_backchain_frame_unwind_cache (struct frame_info *this_frame,
2290 struct s390_unwind_cache *info)
2292 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2293 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2294 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2295 CORE_ADDR backchain;
2300 /* Set up ABI call-saved/call-clobbered registers. */
2301 for (i = 0; i < S390_NUM_REGS; i++)
2302 if (!s390_register_call_saved (gdbarch, i))
2303 trad_frame_set_unknown (info->saved_regs, i);
2305 /* CC is always call-clobbered. */
2306 trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
2308 /* Get the backchain. */
2309 reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2310 if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp))
2312 backchain = (CORE_ADDR) tmp;
2314 /* A zero backchain terminates the frame chain. As additional
2315 sanity check, let's verify that the spill slot for SP in the
2316 save area pointed to by the backchain in fact links back to
2319 && safe_read_memory_integer (backchain + 15*word_size,
2320 word_size, byte_order, &sp)
2321 && (CORE_ADDR)sp == backchain)
2323 /* We don't know which registers were saved, but it will have
2324 to be at least %r14 and %r15. This will allow us to continue
2325 unwinding, but other prev-frame registers may be incorrect ... */
2326 info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size;
2327 info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size;
2329 /* Function return will set PC to %r14. */
2330 info->saved_regs[S390_PSWA_REGNUM]
2331 = info->saved_regs[S390_RETADDR_REGNUM];
2333 /* We use the current value of the frame register as local_base,
2334 and the top of the register save area as frame_base. */
2335 info->frame_base = backchain + 16*word_size + 32;
2336 info->local_base = reg;
2339 info->func = get_frame_pc (this_frame);
2342 static struct s390_unwind_cache *
2343 s390_frame_unwind_cache (struct frame_info *this_frame,
2344 void **this_prologue_cache)
2346 struct s390_unwind_cache *info;
2348 if (*this_prologue_cache)
2349 return (struct s390_unwind_cache *) *this_prologue_cache;
2351 info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache);
2352 *this_prologue_cache = info;
2353 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2355 info->frame_base = -1;
2356 info->local_base = -1;
2360 /* Try to use prologue analysis to fill the unwind cache.
2361 If this fails, fall back to reading the stack backchain. */
2362 if (!s390_prologue_frame_unwind_cache (this_frame, info))
2363 s390_backchain_frame_unwind_cache (this_frame, info);
2365 CATCH (ex, RETURN_MASK_ERROR)
2367 if (ex.error != NOT_AVAILABLE_ERROR)
2368 throw_exception (ex);
2376 s390_frame_this_id (struct frame_info *this_frame,
2377 void **this_prologue_cache,
2378 struct frame_id *this_id)
2380 struct s390_unwind_cache *info
2381 = s390_frame_unwind_cache (this_frame, this_prologue_cache);
2383 if (info->frame_base == -1)
2385 if (info->func != -1)
2386 *this_id = frame_id_build_unavailable_stack (info->func);
2390 *this_id = frame_id_build (info->frame_base, info->func);
2393 static struct value *
2394 s390_frame_prev_register (struct frame_info *this_frame,
2395 void **this_prologue_cache, int regnum)
2397 struct s390_unwind_cache *info
2398 = s390_frame_unwind_cache (this_frame, this_prologue_cache);
2400 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2403 static const struct frame_unwind s390_frame_unwind = {
2405 default_frame_unwind_stop_reason,
2407 s390_frame_prev_register,
2409 default_frame_sniffer
2413 /* Code stubs and their stack frames. For things like PLTs and NULL
2414 function calls (where there is no true frame and the return address
2415 is in the RETADDR register). */
2417 struct s390_stub_unwind_cache
2419 CORE_ADDR frame_base;
2420 struct trad_frame_saved_reg *saved_regs;
2423 static struct s390_stub_unwind_cache *
2424 s390_stub_frame_unwind_cache (struct frame_info *this_frame,
2425 void **this_prologue_cache)
2427 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2428 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2429 struct s390_stub_unwind_cache *info;
2432 if (*this_prologue_cache)
2433 return (struct s390_stub_unwind_cache *) *this_prologue_cache;
2435 info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache);
2436 *this_prologue_cache = info;
2437 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2439 /* The return address is in register %r14. */
2440 info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
2442 /* Retrieve stack pointer and determine our frame base. */
2443 reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2444 info->frame_base = reg + 16*word_size + 32;
2450 s390_stub_frame_this_id (struct frame_info *this_frame,
2451 void **this_prologue_cache,
2452 struct frame_id *this_id)
2454 struct s390_stub_unwind_cache *info
2455 = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
2456 *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
2459 static struct value *
2460 s390_stub_frame_prev_register (struct frame_info *this_frame,
2461 void **this_prologue_cache, int regnum)
2463 struct s390_stub_unwind_cache *info
2464 = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
2465 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2469 s390_stub_frame_sniffer (const struct frame_unwind *self,
2470 struct frame_info *this_frame,
2471 void **this_prologue_cache)
2473 CORE_ADDR addr_in_block;
2474 bfd_byte insn[S390_MAX_INSTR_SIZE];
2476 /* If the current PC points to non-readable memory, we assume we
2477 have trapped due to an invalid function pointer call. We handle
2478 the non-existing current function like a PLT stub. */
2479 addr_in_block = get_frame_address_in_block (this_frame);
2480 if (in_plt_section (addr_in_block)
2481 || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0)
2486 static const struct frame_unwind s390_stub_frame_unwind = {
2488 default_frame_unwind_stop_reason,
2489 s390_stub_frame_this_id,
2490 s390_stub_frame_prev_register,
2492 s390_stub_frame_sniffer
2496 /* Signal trampoline stack frames. */
2498 struct s390_sigtramp_unwind_cache {
2499 CORE_ADDR frame_base;
2500 struct trad_frame_saved_reg *saved_regs;
2503 static struct s390_sigtramp_unwind_cache *
2504 s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame,
2505 void **this_prologue_cache)
2507 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2508 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2509 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2510 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2511 struct s390_sigtramp_unwind_cache *info;
2512 ULONGEST this_sp, prev_sp;
2513 CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off;
2516 if (*this_prologue_cache)
2517 return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache;
2519 info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache);
2520 *this_prologue_cache = info;
2521 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2523 this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2524 next_ra = get_frame_pc (this_frame);
2525 next_cfa = this_sp + 16*word_size + 32;
2527 /* New-style RT frame:
2528 retcode + alignment (8 bytes)
2530 ucontext (contains sigregs at offset 5 words). */
2531 if (next_ra == next_cfa)
2533 sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8);
2534 /* sigregs are followed by uc_sigmask (8 bytes), then by the
2535 upper GPR halves if present. */
2536 sigreg_high_off = 8;
2539 /* Old-style RT frame and all non-RT frames:
2540 old signal mask (8 bytes)
2541 pointer to sigregs. */
2544 sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8,
2545 word_size, byte_order);
2546 /* sigregs are followed by signo (4 bytes), then by the
2547 upper GPR halves if present. */
2548 sigreg_high_off = 4;
2551 /* The sigregs structure looks like this:
2560 /* PSW mask and address. */
2561 info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr;
2562 sigreg_ptr += word_size;
2563 info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr;
2564 sigreg_ptr += word_size;
2566 /* Then the GPRs. */
2567 for (i = 0; i < 16; i++)
2569 info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr;
2570 sigreg_ptr += word_size;
2573 /* Then the ACRs. */
2574 for (i = 0; i < 16; i++)
2576 info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr;
2580 /* The floating-point control word. */
2581 info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr;
2584 /* And finally the FPRs. */
2585 for (i = 0; i < 16; i++)
2587 info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr;
2591 /* If we have them, the GPR upper halves are appended at the end. */
2592 sigreg_ptr += sigreg_high_off;
2593 if (tdep->gpr_full_regnum != -1)
2594 for (i = 0; i < 16; i++)
2596 info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr;
2600 /* Restore the previous frame's SP. */
2601 prev_sp = read_memory_unsigned_integer (
2602 info->saved_regs[S390_SP_REGNUM].addr,
2603 word_size, byte_order);
2605 /* Determine our frame base. */
2606 info->frame_base = prev_sp + 16*word_size + 32;
2612 s390_sigtramp_frame_this_id (struct frame_info *this_frame,
2613 void **this_prologue_cache,
2614 struct frame_id *this_id)
2616 struct s390_sigtramp_unwind_cache *info
2617 = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
2618 *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
2621 static struct value *
2622 s390_sigtramp_frame_prev_register (struct frame_info *this_frame,
2623 void **this_prologue_cache, int regnum)
2625 struct s390_sigtramp_unwind_cache *info
2626 = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
2627 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2631 s390_sigtramp_frame_sniffer (const struct frame_unwind *self,
2632 struct frame_info *this_frame,
2633 void **this_prologue_cache)
2635 CORE_ADDR pc = get_frame_pc (this_frame);
2636 bfd_byte sigreturn[2];
2638 if (target_read_memory (pc, sigreturn, 2))
2641 if (sigreturn[0] != op_svc)
2644 if (sigreturn[1] != 119 /* sigreturn */
2645 && sigreturn[1] != 173 /* rt_sigreturn */)
2651 static const struct frame_unwind s390_sigtramp_frame_unwind = {
2653 default_frame_unwind_stop_reason,
2654 s390_sigtramp_frame_this_id,
2655 s390_sigtramp_frame_prev_register,
2657 s390_sigtramp_frame_sniffer
2660 /* Retrieve the syscall number at a ptrace syscall-stop. Return -1
2664 s390_linux_get_syscall_number (struct gdbarch *gdbarch,
2667 struct regcache *regs = get_thread_regcache (ptid);
2668 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2669 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2671 ULONGEST svc_number = -1;
2674 /* Assume that the PC points after the 2-byte SVC instruction. We
2675 don't currently support SVC via EXECUTE. */
2676 regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc);
2678 opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order);
2679 if (opcode != op_svc)
2682 svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1,
2684 if (svc_number == 0)
2685 regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number);
2690 /* Process record-replay */
2692 static struct linux_record_tdep s390_linux_record_tdep;
2693 static struct linux_record_tdep s390x_linux_record_tdep;
2695 /* Record all registers but PC register for process-record. */
2698 s390_all_but_pc_registers_record (struct regcache *regcache)
2700 struct gdbarch *gdbarch = regcache->arch ();
2701 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2704 for (i = 0; i < 16; i++)
2706 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
2708 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
2710 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
2712 if (tdep->gpr_full_regnum != -1)
2713 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
2715 if (tdep->v0_full_regnum != -1)
2717 if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
2719 if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i))
2723 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
2725 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
2731 static enum gdb_syscall
2732 s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi)
2736 /* s390 syscall numbers < 222 are mostly the same as x86, so just list
2739 return gdb_sys_no_syscall;
2741 return gdb_sys_restart_syscall;
2742 /* These syscalls work only on 31-bit. */
2744 case 16: /* lchown[16] */
2745 case 23: /* setuid[16] */
2746 case 24: /* getuid[16] */
2747 case 25: /* stime */
2748 case 46: /* setgid[16] */
2749 case 47: /* getgid[16] */
2750 case 49: /* seteuid[16] */
2751 case 50: /* getegid[16] */
2752 case 70: /* setreuid[16] */
2753 case 71: /* setregid[16] */
2754 case 76: /* [old_]getrlimit */
2755 case 80: /* getgroups[16] */
2756 case 81: /* setgroups[16] */
2757 case 95: /* fchown[16] */
2758 case 101: /* ioperm */
2759 case 138: /* setfsuid[16] */
2760 case 139: /* setfsgid[16] */
2761 case 140: /* _llseek */
2762 case 164: /* setresuid[16] */
2763 case 165: /* getresuid[16] */
2764 case 170: /* setresgid[16] */
2765 case 171: /* getresgid[16] */
2766 case 182: /* chown[16] */
2767 case 192: /* mmap2 */
2768 case 193: /* truncate64 */
2769 case 194: /* ftruncate64 */
2770 case 195: /* stat64 */
2771 case 196: /* lstat64 */
2772 case 197: /* fstat64 */
2773 case 221: /* fcntl64 */
2774 if (abi == ABI_LINUX_S390)
2775 return (enum gdb_syscall) syscall;
2776 return gdb_sys_no_syscall;
2777 /* These syscalls don't exist on s390. */
2778 case 17: /* break */
2779 case 18: /* oldstat */
2780 case 28: /* oldfstat */
2783 case 35: /* ftime */
2787 case 58: /* ulimit */
2788 case 59: /* oldolduname */
2789 case 68: /* sgetmask */
2790 case 69: /* ssetmask */
2791 case 82: /* [old_]select */
2792 case 84: /* oldlstat */
2793 case 98: /* profil */
2794 case 109: /* olduname */
2795 case 113: /* vm86old */
2796 case 123: /* modify_ldt */
2797 case 166: /* vm86 */
2798 return gdb_sys_no_syscall;
2800 return gdb_sys_lookup_dcookie;
2801 /* Here come the differences. */
2803 return gdb_sys_readahead;
2805 if (abi == ABI_LINUX_S390)
2806 return gdb_sys_sendfile64;
2807 return gdb_sys_no_syscall;
2808 /* 224-235 handled below */
2810 return gdb_sys_gettid;
2812 return gdb_sys_tkill;
2814 return gdb_sys_futex;
2816 return gdb_sys_sched_setaffinity;
2818 return gdb_sys_sched_getaffinity;
2820 return gdb_sys_tgkill;
2823 return gdb_sys_io_setup;
2825 return gdb_sys_io_destroy;
2827 return gdb_sys_io_getevents;
2829 return gdb_sys_io_submit;
2831 return gdb_sys_io_cancel;
2833 return gdb_sys_exit_group;
2835 return gdb_sys_epoll_create;
2837 return gdb_sys_epoll_ctl;
2839 return gdb_sys_epoll_wait;
2841 return gdb_sys_set_tid_address;
2843 return gdb_sys_fadvise64;
2844 /* 254-262 handled below */
2847 if (abi == ABI_LINUX_S390)
2848 return gdb_sys_fadvise64_64;
2849 return gdb_sys_no_syscall;
2851 return gdb_sys_statfs64;
2853 return gdb_sys_fstatfs64;
2855 return gdb_sys_remap_file_pages;
2856 /* 268-270 reserved */
2857 /* 271-277 handled below */
2859 return gdb_sys_add_key;
2861 return gdb_sys_request_key;
2863 return gdb_sys_keyctl;
2865 return gdb_sys_waitid;
2866 /* 282-312 handled below */
2868 if (abi == ABI_LINUX_S390)
2869 return gdb_sys_fstatat64;
2870 return gdb_sys_newfstatat;
2871 /* 313+ not yet supported */
2876 /* Most "old" syscalls copied from i386. */
2879 /* xattr syscalls. */
2880 else if (syscall >= 224 && syscall <= 235)
2882 /* timer syscalls. */
2883 else if (syscall >= 254 && syscall <= 262)
2885 /* mq_* and kexec_load */
2886 else if (syscall >= 271 && syscall <= 277)
2888 /* ioprio_set .. epoll_pwait */
2889 else if (syscall >= 282 && syscall <= 312)
2892 ret = gdb_sys_no_syscall;
2894 return (enum gdb_syscall) ret;
2900 s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native)
2902 struct gdbarch *gdbarch = regcache->arch ();
2903 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2905 enum gdb_syscall syscall_gdb;
2907 /* On s390, syscall number can be passed either as immediate field of svc
2908 instruction, or in %r1 (with svc 0). */
2909 if (syscall_native == 0)
2910 regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native);
2912 syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi);
2914 if (syscall_gdb < 0)
2916 printf_unfiltered (_("Process record and replay target doesn't "
2917 "support syscall number %s\n"),
2918 plongest (syscall_native));
2922 if (syscall_gdb == gdb_sys_sigreturn
2923 || syscall_gdb == gdb_sys_rt_sigreturn)
2925 if (s390_all_but_pc_registers_record (regcache))
2930 if (tdep->abi == ABI_LINUX_ZSERIES)
2931 ret = record_linux_system_call (syscall_gdb, regcache,
2932 &s390x_linux_record_tdep);
2934 ret = record_linux_system_call (syscall_gdb, regcache,
2935 &s390_linux_record_tdep);
2940 /* Record the return value of the system call. */
2941 if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
2948 s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache,
2949 enum gdb_signal signal)
2951 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2952 /* There are two kinds of signal frames on s390. rt_sigframe is always
2953 the larger one, so don't even bother with sigframe. */
2954 const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ?
2955 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000);
2959 for (i = 0; i < 16; i++)
2961 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
2963 if (tdep->gpr_full_regnum != -1)
2964 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
2967 if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
2969 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
2972 /* Record the change in the stack.
2973 frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */
2974 regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp);
2975 sp -= sizeof_rt_sigframe;
2977 if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe))
2980 if (record_full_arch_list_add_end ())
2986 /* Frame base handling. */
2989 s390_frame_base_address (struct frame_info *this_frame, void **this_cache)
2991 struct s390_unwind_cache *info
2992 = s390_frame_unwind_cache (this_frame, this_cache);
2993 return info->frame_base;
2997 s390_local_base_address (struct frame_info *this_frame, void **this_cache)
2999 struct s390_unwind_cache *info
3000 = s390_frame_unwind_cache (this_frame, this_cache);
3001 return info->local_base;
3004 static const struct frame_base s390_frame_base = {
3006 s390_frame_base_address,
3007 s390_local_base_address,
3008 s390_local_base_address
3012 s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
3014 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3016 pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum);
3017 return gdbarch_addr_bits_remove (gdbarch, pc);
3021 s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
3024 sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM);
3025 return gdbarch_addr_bits_remove (gdbarch, sp);
3029 /* DWARF-2 frame support. */
3031 static struct value *
3032 s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache,
3035 return s390_unwind_pseudo_register (this_frame, regnum);
3039 s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
3040 struct dwarf2_frame_state_reg *reg,
3041 struct frame_info *this_frame)
3043 /* The condition code (and thus PSW mask) is call-clobbered. */
3044 if (regnum == S390_PSWM_REGNUM)
3045 reg->how = DWARF2_FRAME_REG_UNDEFINED;
3047 /* The PSW address unwinds to the return address. */
3048 else if (regnum == S390_PSWA_REGNUM)
3049 reg->how = DWARF2_FRAME_REG_RA;
3051 /* Fixed registers are call-saved or call-clobbered
3052 depending on the ABI in use. */
3053 else if (regnum < S390_NUM_REGS)
3055 if (s390_register_call_saved (gdbarch, regnum))
3056 reg->how = DWARF2_FRAME_REG_SAME_VALUE;
3058 reg->how = DWARF2_FRAME_REG_UNDEFINED;
3061 /* We install a special function to unwind pseudos. */
3064 reg->how = DWARF2_FRAME_REG_FN;
3065 reg->loc.fn = s390_dwarf2_prev_register;
3070 /* Dummy function calls. */
3072 /* Unwrap any single-field structs in TYPE and return the effective
3073 "inner" type. E.g., yield "float" for all these cases:
3077 struct { struct { float x; } x; };
3078 struct { struct { struct { float x; } x; } x; };
3080 However, if an inner type is smaller than MIN_SIZE, abort the
3083 static struct type *
3084 s390_effective_inner_type (struct type *type, unsigned int min_size)
3086 while (TYPE_CODE (type) == TYPE_CODE_STRUCT
3087 && TYPE_NFIELDS (type) == 1)
3089 struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0));
3091 if (TYPE_LENGTH (inner) < min_size)
3099 /* Return non-zero if TYPE should be passed like "float" or
3103 s390_function_arg_float (struct type *type)
3105 /* Note that long double as well as complex types are intentionally
3107 if (TYPE_LENGTH (type) > 8)
3110 /* A struct containing just a float or double is passed like a float
3112 type = s390_effective_inner_type (type, 0);
3114 return (TYPE_CODE (type) == TYPE_CODE_FLT
3115 || TYPE_CODE (type) == TYPE_CODE_DECFLOAT);
3118 /* Return non-zero if TYPE should be passed like a vector. */
3121 s390_function_arg_vector (struct type *type)
3123 if (TYPE_LENGTH (type) > 16)
3126 /* Structs containing just a vector are passed like a vector. */
3127 type = s390_effective_inner_type (type, TYPE_LENGTH (type));
3129 return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type);
3132 /* Determine whether N is a power of two. */
3135 is_power_of_two (unsigned int n)
3137 return n && ((n & (n - 1)) == 0);
3140 /* For an argument whose type is TYPE and which is not passed like a
3141 float or vector, return non-zero if it should be passed like "int"
3145 s390_function_arg_integer (struct type *type)
3147 enum type_code code = TYPE_CODE (type);
3149 if (TYPE_LENGTH (type) > 8)
3152 if (code == TYPE_CODE_INT
3153 || code == TYPE_CODE_ENUM
3154 || code == TYPE_CODE_RANGE
3155 || code == TYPE_CODE_CHAR
3156 || code == TYPE_CODE_BOOL
3157 || code == TYPE_CODE_PTR
3158 || TYPE_IS_REFERENCE (type))
3161 return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT)
3162 && is_power_of_two (TYPE_LENGTH (type)));
3165 /* Argument passing state: Internal data structure passed to helper
3166 routines of s390_push_dummy_call. */
3168 struct s390_arg_state
3170 /* Register cache, or NULL, if we are in "preparation mode". */
3171 struct regcache *regcache;
3172 /* Next available general/floating-point/vector register for
3173 argument passing. */
3175 /* Current pointer to copy area (grows downwards). */
3177 /* Current pointer to parameter area (grows upwards). */
3181 /* Prepare one argument ARG for a dummy call and update the argument
3182 passing state AS accordingly. If the regcache field in AS is set,
3183 operate in "write mode" and write ARG into the inferior. Otherwise
3184 run "preparation mode" and skip all updates to the inferior. */
3187 s390_handle_arg (struct s390_arg_state *as, struct value *arg,
3188 struct gdbarch_tdep *tdep, int word_size,
3189 enum bfd_endian byte_order, int is_unnamed)
3191 struct type *type = check_typedef (value_type (arg));
3192 unsigned int length = TYPE_LENGTH (type);
3193 int write_mode = as->regcache != NULL;
3195 if (s390_function_arg_float (type))
3197 /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass
3198 arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and
3200 if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6))
3202 /* When we store a single-precision value in an FP register,
3203 it occupies the leftmost bits. */
3205 regcache_cooked_write_part (as->regcache,
3206 S390_F0_REGNUM + as->fr,
3208 value_contents (arg));
3213 /* When we store a single-precision value in a stack slot,
3214 it occupies the rightmost bits. */
3215 as->argp = align_up (as->argp + length, word_size);
3217 write_memory (as->argp - length, value_contents (arg),
3221 else if (tdep->vector_abi == S390_VECTOR_ABI_128
3222 && s390_function_arg_vector (type))
3224 static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31};
3226 if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr))
3228 int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24;
3231 regcache_cooked_write_part (as->regcache, regnum,
3233 value_contents (arg));
3239 write_memory (as->argp, value_contents (arg), length);
3240 as->argp = align_up (as->argp + length, word_size);
3243 else if (s390_function_arg_integer (type) && length <= word_size)
3245 /* Initialize it just to avoid a GCC false warning. */
3250 /* Place value in least significant bits of the register or
3251 memory word and sign- or zero-extend to full word size.
3252 This also applies to a struct or union. */
3253 val = TYPE_UNSIGNED (type)
3254 ? extract_unsigned_integer (value_contents (arg),
3256 : extract_signed_integer (value_contents (arg),
3257 length, byte_order);
3263 regcache_cooked_write_unsigned (as->regcache,
3264 S390_R0_REGNUM + as->gr,
3271 write_memory_unsigned_integer (as->argp, word_size,
3273 as->argp += word_size;
3276 else if (s390_function_arg_integer (type) && length == 8)
3282 regcache_cooked_write (as->regcache,
3283 S390_R0_REGNUM + as->gr,
3284 value_contents (arg));
3285 regcache_cooked_write (as->regcache,
3286 S390_R0_REGNUM + as->gr + 1,
3287 value_contents (arg) + word_size);
3293 /* If we skipped r6 because we couldn't fit a DOUBLE_ARG
3294 in it, then don't go back and use it again later. */
3298 write_memory (as->argp, value_contents (arg), length);
3304 /* This argument type is never passed in registers. Place the
3305 value in the copy area and pass a pointer to it. Use 8-byte
3306 alignment as a conservative assumption. */
3307 as->copy = align_down (as->copy - length, 8);
3309 write_memory (as->copy, value_contents (arg), length);
3314 regcache_cooked_write_unsigned (as->regcache,
3315 S390_R0_REGNUM + as->gr,
3322 write_memory_unsigned_integer (as->argp, word_size,
3323 byte_order, as->copy);
3324 as->argp += word_size;
3329 /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in
3330 place to be passed to a function, as specified by the "GNU/Linux
3331 for S/390 ELF Application Binary Interface Supplement".
3333 SP is the current stack pointer. We must put arguments, links,
3334 padding, etc. whereever they belong, and return the new stack
3337 If STRUCT_RETURN is non-zero, then the function we're calling is
3338 going to return a structure by value; STRUCT_ADDR is the address of
3339 a block we've allocated for it on the stack.
3341 Our caller has taken care of any type promotions needed to satisfy
3342 prototypes or the old K&R argument-passing rules. */
3345 s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
3346 struct regcache *regcache, CORE_ADDR bp_addr,
3347 int nargs, struct value **args, CORE_ADDR sp,
3348 int struct_return, CORE_ADDR struct_addr)
3350 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3351 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3352 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3354 struct s390_arg_state arg_state, arg_prep;
3355 CORE_ADDR param_area_start, new_sp;
3356 struct type *ftype = check_typedef (value_type (function));
3358 if (TYPE_CODE (ftype) == TYPE_CODE_PTR)
3359 ftype = check_typedef (TYPE_TARGET_TYPE (ftype));
3362 arg_prep.gr = struct_return ? 3 : 2;
3366 arg_prep.regcache = NULL;
3368 /* Initialize arg_state for "preparation mode". */
3369 arg_state = arg_prep;
3371 /* Update arg_state.copy with the start of the reference-to-copy area
3372 and arg_state.argp with the size of the parameter area. */
3373 for (i = 0; i < nargs; i++)
3374 s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
3375 TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
3377 param_area_start = align_down (arg_state.copy - arg_state.argp, 8);
3379 /* Allocate the standard frame areas: the register save area, the
3380 word reserved for the compiler, and the back chain pointer. */
3381 new_sp = param_area_start - (16 * word_size + 32);
3383 /* Now we have the final stack pointer. Make sure we didn't
3384 underflow; on 31-bit, this would result in addresses with the
3385 high bit set, which causes confusion elsewhere. Note that if we
3386 error out here, stack and registers remain untouched. */
3387 if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp)
3388 error (_("Stack overflow"));
3390 /* Pass the structure return address in general register 2. */
3392 regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr);
3394 /* Initialize arg_state for "write mode". */
3395 arg_state = arg_prep;
3396 arg_state.argp = param_area_start;
3397 arg_state.regcache = regcache;
3399 /* Write all parameters. */
3400 for (i = 0; i < nargs; i++)
3401 s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
3402 TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
3404 /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */
3408 regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
3409 bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000);
3411 regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr);
3413 /* Store updated stack pointer. */
3414 regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp);
3416 /* We need to return the 'stack part' of the frame ID,
3417 which is actually the top of the register save area. */
3418 return param_area_start;
3421 /* Assuming THIS_FRAME is a dummy, return the frame ID of that
3422 dummy frame. The frame ID's base needs to match the TOS value
3423 returned by push_dummy_call, and the PC match the dummy frame's
3425 static struct frame_id
3426 s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
3428 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3429 CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
3430 sp = gdbarch_addr_bits_remove (gdbarch, sp);
3432 return frame_id_build (sp + 16*word_size + 32,
3433 get_frame_pc (this_frame));
3437 s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
3439 /* Both the 32- and 64-bit ABI's say that the stack pointer should
3440 always be aligned on an eight-byte boundary. */
3445 /* Helper for s390_return_value: Set or retrieve a function return
3446 value if it resides in a register. */
3449 s390_register_return_value (struct gdbarch *gdbarch, struct type *type,
3450 struct regcache *regcache,
3451 gdb_byte *out, const gdb_byte *in)
3453 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3454 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3455 int length = TYPE_LENGTH (type);
3456 int code = TYPE_CODE (type);
3458 if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT)
3460 /* Float-like value: left-aligned in f0. */
3462 regcache_cooked_write_part (regcache, S390_F0_REGNUM,
3465 regcache_cooked_read_part (regcache, S390_F0_REGNUM,
3468 else if (code == TYPE_CODE_ARRAY)
3470 /* Vector: left-aligned in v24. */
3472 regcache_cooked_write_part (regcache, S390_V24_REGNUM,
3475 regcache_cooked_read_part (regcache, S390_V24_REGNUM,
3478 else if (length <= word_size)
3480 /* Integer: zero- or sign-extended in r2. */
3482 regcache_cooked_read_part (regcache, S390_R2_REGNUM,
3483 word_size - length, length, out);
3484 else if (TYPE_UNSIGNED (type))
3485 regcache_cooked_write_unsigned
3486 (regcache, S390_R2_REGNUM,
3487 extract_unsigned_integer (in, length, byte_order));
3489 regcache_cooked_write_signed
3490 (regcache, S390_R2_REGNUM,
3491 extract_signed_integer (in, length, byte_order));
3493 else if (length == 2 * word_size)
3495 /* Double word: in r2 and r3. */
3498 regcache_cooked_write (regcache, S390_R2_REGNUM, in);
3499 regcache_cooked_write (regcache, S390_R3_REGNUM,
3504 regcache_cooked_read (regcache, S390_R2_REGNUM, out);
3505 regcache_cooked_read (regcache, S390_R3_REGNUM,
3510 internal_error (__FILE__, __LINE__, _("invalid return type"));
3514 /* Implement the 'return_value' gdbarch method. */
3516 static enum return_value_convention
3517 s390_return_value (struct gdbarch *gdbarch, struct value *function,
3518 struct type *type, struct regcache *regcache,
3519 gdb_byte *out, const gdb_byte *in)
3521 enum return_value_convention rvc;
3523 type = check_typedef (type);
3525 switch (TYPE_CODE (type))
3527 case TYPE_CODE_STRUCT:
3528 case TYPE_CODE_UNION:
3529 case TYPE_CODE_COMPLEX:
3530 rvc = RETURN_VALUE_STRUCT_CONVENTION;
3532 case TYPE_CODE_ARRAY:
3533 rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128
3534 && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type))
3535 ? RETURN_VALUE_REGISTER_CONVENTION
3536 : RETURN_VALUE_STRUCT_CONVENTION;
3539 rvc = TYPE_LENGTH (type) <= 8
3540 ? RETURN_VALUE_REGISTER_CONVENTION
3541 : RETURN_VALUE_STRUCT_CONVENTION;
3544 if (in != NULL || out != NULL)
3546 if (rvc == RETURN_VALUE_REGISTER_CONVENTION)
3547 s390_register_return_value (gdbarch, type, regcache, out, in);
3548 else if (in != NULL)
3549 error (_("Cannot set function return value."));
3551 error (_("Function return value unknown."));
3559 constexpr gdb_byte s390_break_insn[] = { 0x0, 0x1 };
3561 typedef BP_MANIPULATION (s390_break_insn) s390_breakpoint;
3563 /* Address handling. */
3566 s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr)
3568 return addr & 0x7fffffff;
3572 s390_address_class_type_flags (int byte_size, int dwarf2_addr_class)
3575 return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
3581 s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags)
3583 if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
3590 s390_address_class_name_to_type_flags (struct gdbarch *gdbarch,
3592 int *type_flags_ptr)
3594 if (strcmp (name, "mode32") == 0)
3596 *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
3603 /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or
3604 "-mcmodel=large". */
3607 s390_gcc_target_options (struct gdbarch *gdbarch)
3609 return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31");
3612 /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*"
3613 for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is
3614 always "s390". Note that an s390x compiler supports "-m31" as
3618 s390_gnu_triplet_regexp (struct gdbarch *gdbarch)
3623 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
3627 s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s)
3629 return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement
3631 || *s == '%' /* Register access. */
3632 || isdigit (*s)); /* Literal number. */
3635 /* Process record and replay helpers. */
3637 /* Takes the intermediate sum of address calculations and masks off upper
3638 bits according to current addressing mode. */
3641 s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache,
3643 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3644 ULONGEST pswm, pswa;
3646 if (tdep->abi == ABI_LINUX_S390)
3648 regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
3649 am = pswa >> 31 & 1;
3653 regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm);
3654 am = pswm >> 31 & 3;
3659 return val & 0xffffff;
3661 return val & 0x7fffffff;
3665 fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am);
3670 /* Calculates memory address using pre-calculated index, raw instruction word
3671 with b and d/dl fields, and raw instruction byte with dh field. Index and
3672 dh should be set to 0 if unused. */
3675 s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache,
3676 ULONGEST x, uint16_t bd, int8_t dh)
3678 uint8_t rb = bd >> 12 & 0xf;
3679 int32_t d = (bd & 0xfff) | ((int32_t)dh << 12);
3681 CORE_ADDR res = d + x;
3684 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b);
3687 return s390_record_address_mask (gdbarch, regcache, res);
3690 /* Calculates memory address using raw x, b + d/dl, dh fields from
3691 instruction. rx and dh should be set to 0 if unused. */
3694 s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache,
3695 uint8_t rx, uint16_t bd, int8_t dh)
3699 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x);
3700 return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
3703 /* Calculates memory address for VSCE[GF] instructions. */
3706 s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache,
3707 uint8_t vx, uint8_t el, uint8_t es, uint16_t bd,
3708 int8_t dh, CORE_ADDR *res)
3710 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3711 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3714 if (tdep->v0_full_regnum == -1 || el * es >= 16)
3717 regcache_cooked_read (regcache, tdep->v0_full_regnum + vx, buf);
3719 regcache_raw_read (regcache, S390_V16_REGNUM + vx - 16, buf);
3720 x = extract_unsigned_integer (buf + el * es, es, byte_order);
3721 *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
3725 /* Calculates memory address for instructions with relative long addressing. */
3728 s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache,
3729 CORE_ADDR addr, uint16_t i1, uint16_t i2)
3731 int32_t ri = i1 << 16 | i2;
3732 return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2);
3735 /* Population count helper. */
3737 static int s390_popcnt (unsigned int x) {
3748 /* Record 64-bit register. */
3751 s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3753 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3754 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
3756 if (tdep->abi == ABI_LINUX_S390)
3757 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
3762 /* Record high 32 bits of a register. */
3765 s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3767 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3768 if (tdep->abi == ABI_LINUX_S390)
3770 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
3775 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
3781 /* Record vector register. */
3784 s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3788 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
3790 if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
3795 if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16))
3802 s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
3805 uint16_t insn[3] = {0};
3806 /* Instruction as bytes. */
3808 /* Instruction as nibbles. */
3810 /* Instruction vector registers. */
3812 CORE_ADDR oaddr, oaddr2, oaddr3;
3815 /* if EX/EXRL instruction used, here's the reg parameter */
3817 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3819 /* Attempting to use EX or EXRL jumps back here */
3822 /* Read instruction. */
3823 insn[0] = read_memory_unsigned_integer (addr, 2, byte_order);
3824 /* If execute was involved, do the adjustment. */
3826 insn[0] |= ex & 0xff;
3827 /* Two highest bits determine instruction size. */
3828 if (insn[0] >= 0x4000)
3829 insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order);
3831 /* Not necessary, but avoids uninitialized variable warnings. */
3833 if (insn[0] >= 0xc000)
3834 insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order);
3837 /* Split instruction into bytes and nibbles. */
3838 for (i = 0; i < 3; i++)
3840 ibyte[i*2] = insn[i] >> 8 & 0xff;
3841 ibyte[i*2+1] = insn[i] & 0xff;
3843 for (i = 0; i < 6; i++)
3845 inib[i*2] = ibyte[i] >> 4 & 0xf;
3846 inib[i*2+1] = ibyte[i] & 0xf;
3848 /* Compute vector registers, if applicable. */
3849 ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2];
3850 ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3];
3851 ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4];
3852 ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8];
3856 /* 0x00 undefined */
3859 /* E-format instruction */
3862 /* 0x00 undefined */
3863 /* 0x01 unsupported: PR - program return */
3864 /* 0x02 unsupported: UPT */
3865 /* 0x03 undefined */
3866 /* 0x04 privileged: PTFF - perform timing facility function */
3867 /* 0x05-0x06 undefined */
3868 /* 0x07 privileged: SCKPF - set clock programmable field */
3869 /* 0x08-0x09 undefined */
3871 case 0x0a: /* PFPO - perform floating point operation */
3872 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
3873 if (!(tmp & 0x80000000u))
3875 uint8_t ofc = tmp >> 16 & 0xff;
3878 case 0x00: /* HFP32 */
3879 case 0x01: /* HFP64 */
3880 case 0x05: /* BFP32 */
3881 case 0x06: /* BFP64 */
3882 case 0x08: /* DFP32 */
3883 case 0x09: /* DFP64 */
3884 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
3887 case 0x02: /* HFP128 */
3888 case 0x07: /* BFP128 */
3889 case 0x0a: /* DFP128 */
3890 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
3892 if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM))
3896 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n",
3897 ofc, paddress (gdbarch, addr));
3901 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
3904 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
3906 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3910 case 0x0b: /* TAM - test address mode */
3911 case 0x0c: /* SAM24 - set address mode 24 */
3912 case 0x0d: /* SAM31 - set address mode 31 */
3913 case 0x0e: /* SAM64 - set address mode 64 */
3914 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3918 /* 0x0f-0xfe undefined */
3920 /* 0xff unsupported: TRAP */
3927 /* 0x02 undefined */
3928 /* 0x03 undefined */
3930 case 0x04: /* SPM - set program mask */
3931 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3935 case 0x05: /* BALR - branch and link */
3936 case 0x45: /* BAL - branch and link */
3937 case 0x06: /* BCTR - branch on count */
3938 case 0x46: /* BCT - branch on count */
3939 case 0x0d: /* BASR - branch and save */
3940 case 0x4d: /* BAS - branch and save */
3941 case 0x84: /* BRXH - branch relative on index high */
3942 case 0x85: /* BRXLE - branch relative on index low or equal */
3943 case 0x86: /* BXH - branch on index high */
3944 case 0x87: /* BXLE - branch on index low or equal */
3945 /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX*
3946 use 32-bit destination as counter. */
3947 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3951 case 0x07: /* BCR - branch on condition */
3952 case 0x47: /* BC - branch on condition */
3953 /* No effect other than PC transfer. */
3956 /* 0x08 undefined */
3957 /* 0x09 undefined */
3960 /* SVC - supervisor call */
3961 if (s390_linux_syscall_record (regcache, ibyte[1]))
3965 case 0x0b: /* BSM - branch and set mode */
3967 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3969 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3973 case 0x0c: /* BASSM - branch and save and set mode */
3974 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3976 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3980 case 0x0e: /* MVCL - move long [interruptible] */
3981 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
3982 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
3983 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
3985 if (record_full_arch_list_add_mem (oaddr, tmp))
3987 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3989 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
3991 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
3993 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
3995 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3999 case 0x0f: /* CLCL - compare logical long [interruptible] */
4000 case 0xa9: /* CLCLE - compare logical long extended [partial] */
4001 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4003 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4005 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
4007 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
4009 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4013 case 0x10: /* LPR - load positive */
4014 case 0x11: /* LNR - load negative */
4015 case 0x12: /* LTR - load and test */
4016 case 0x13: /* LCR - load complement */
4017 case 0x14: /* NR - and */
4018 case 0x16: /* OR - or */
4019 case 0x17: /* XR - xor */
4020 case 0x1a: /* AR - add */
4021 case 0x1b: /* SR - subtract */
4022 case 0x1e: /* ALR - add logical */
4023 case 0x1f: /* SLR - subtract logical */
4024 case 0x54: /* N - and */
4025 case 0x56: /* O - or */
4026 case 0x57: /* X - xor */
4027 case 0x5a: /* A - add */
4028 case 0x5b: /* S - subtract */
4029 case 0x5e: /* AL - add logical */
4030 case 0x5f: /* SL - subtract logical */
4031 case 0x4a: /* AH - add halfword */
4032 case 0x4b: /* SH - subtract halfword */
4033 case 0x8a: /* SRA - shift right single */
4034 case 0x8b: /* SLA - shift left single */
4035 case 0xbf: /* ICM - insert characters under mask */
4036 /* 32-bit destination + flags */
4037 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4039 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4043 case 0x15: /* CLR - compare logical */
4044 case 0x55: /* CL - compare logical */
4045 case 0x19: /* CR - compare */
4046 case 0x29: /* CDR - compare */
4047 case 0x39: /* CER - compare */
4048 case 0x49: /* CH - compare halfword */
4049 case 0x59: /* C - compare */
4050 case 0x69: /* CD - compare */
4051 case 0x79: /* CE - compare */
4052 case 0x91: /* TM - test under mask */
4053 case 0x95: /* CLI - compare logical */
4054 case 0xbd: /* CLM - compare logical under mask */
4055 case 0xd5: /* CLC - compare logical */
4056 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4060 case 0x18: /* LR - load */
4061 case 0x48: /* LH - load halfword */
4062 case 0x58: /* L - load */
4063 case 0x41: /* LA - load address */
4064 case 0x43: /* IC - insert character */
4065 case 0x4c: /* MH - multiply halfword */
4066 case 0x71: /* MS - multiply single */
4067 case 0x88: /* SRL - shift right single logical */
4068 case 0x89: /* SLL - shift left single logical */
4069 /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */
4070 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4074 case 0x1c: /* MR - multiply */
4075 case 0x5c: /* M - multiply */
4076 case 0x1d: /* DR - divide */
4077 case 0x5d: /* D - divide */
4078 case 0x8c: /* SRDL - shift right double logical */
4079 case 0x8d: /* SLDL - shift left double logical */
4080 /* 32-bit pair destination, no flags */
4081 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4083 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4087 case 0x20: /* LPDR - load positive */
4088 case 0x30: /* LPER - load positive */
4089 case 0x21: /* LNDR - load negative */
4090 case 0x31: /* LNER - load negative */
4091 case 0x22: /* LTDR - load and test */
4092 case 0x32: /* LTER - load and test */
4093 case 0x23: /* LCDR - load complement */
4094 case 0x33: /* LCER - load complement */
4095 case 0x2a: /* ADR - add */
4096 case 0x3a: /* AER - add */
4097 case 0x6a: /* AD - add */
4098 case 0x7a: /* AE - add */
4099 case 0x2b: /* SDR - subtract */
4100 case 0x3b: /* SER - subtract */
4101 case 0x6b: /* SD - subtract */
4102 case 0x7b: /* SE - subtract */
4103 case 0x2e: /* AWR - add unnormalized */
4104 case 0x3e: /* AUR - add unnormalized */
4105 case 0x6e: /* AW - add unnormalized */
4106 case 0x7e: /* AU - add unnormalized */
4107 case 0x2f: /* SWR - subtract unnormalized */
4108 case 0x3f: /* SUR - subtract unnormalized */
4109 case 0x6f: /* SW - subtract unnormalized */
4110 case 0x7f: /* SU - subtract unnormalized */
4111 /* float destination + flags */
4112 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4114 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4118 case 0x24: /* HDR - halve */
4119 case 0x34: /* HER - halve */
4120 case 0x25: /* LDXR - load rounded */
4121 case 0x35: /* LEDR - load rounded */
4122 case 0x28: /* LDR - load */
4123 case 0x38: /* LER - load */
4124 case 0x68: /* LD - load */
4125 case 0x78: /* LE - load */
4126 case 0x2c: /* MDR - multiply */
4127 case 0x3c: /* MDER - multiply */
4128 case 0x6c: /* MD - multiply */
4129 case 0x7c: /* MDE - multiply */
4130 case 0x2d: /* DDR - divide */
4131 case 0x3d: /* DER - divide */
4132 case 0x6d: /* DD - divide */
4133 case 0x7d: /* DE - divide */
4134 /* float destination, no flags */
4135 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4139 case 0x26: /* MXR - multiply */
4140 case 0x27: /* MXDR - multiply */
4141 case 0x67: /* MXD - multiply */
4142 /* float pair destination, no flags */
4143 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4145 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
4149 case 0x36: /* AXR - add */
4150 case 0x37: /* SXR - subtract */
4151 /* float pair destination + flags */
4152 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4154 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
4156 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4160 case 0x40: /* STH - store halfword */
4161 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4162 if (record_full_arch_list_add_mem (oaddr, 2))
4166 case 0x42: /* STC - store character */
4167 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4168 if (record_full_arch_list_add_mem (oaddr, 1))
4172 case 0x44: /* EX - execute */
4175 fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
4176 paddress (gdbarch, addr));
4179 addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4182 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
4191 case 0x4e: /* CVD - convert to decimal */
4192 case 0x60: /* STD - store */
4193 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4194 if (record_full_arch_list_add_mem (oaddr, 8))
4198 case 0x4f: /* CVB - convert to binary */
4199 /* 32-bit gpr destination + FPC (DXC write) */
4200 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4202 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4206 case 0x50: /* ST - store */
4207 case 0x70: /* STE - store */
4208 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4209 if (record_full_arch_list_add_mem (oaddr, 4))
4213 case 0x51: /* LAE - load address extended */
4214 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4216 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
4220 /* 0x52 undefined */
4221 /* 0x53 undefined */
4223 /* 0x61-0x66 undefined */
4225 /* 0x72-0x77 undefined */
4227 /* 0x80 privileged: SSM - set system mask */
4228 /* 0x81 undefined */
4229 /* 0x82 privileged: LPSW - load PSW */
4230 /* 0x83 privileged: diagnose */
4232 case 0x8e: /* SRDA - shift right double */
4233 case 0x8f: /* SLDA - shift left double */
4234 /* 32-bit pair destination + flags */
4235 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4237 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4239 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4243 case 0x90: /* STM - store multiple */
4244 case 0x9b: /* STAM - store access multiple */
4245 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4246 if (inib[2] <= inib[3])
4247 n = inib[3] - inib[2] + 1;
4249 n = inib[3] + 0x10 - inib[2] + 1;
4250 if (record_full_arch_list_add_mem (oaddr, n * 4))
4254 case 0x92: /* MVI - move */
4255 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4256 if (record_full_arch_list_add_mem (oaddr, 1))
4260 case 0x93: /* TS - test and set */
4261 case 0x94: /* NI - and */
4262 case 0x96: /* OI - or */
4263 case 0x97: /* XI - xor */
4264 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4265 if (record_full_arch_list_add_mem (oaddr, 1))
4267 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4271 case 0x98: /* LM - load multiple */
4272 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
4273 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
4275 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
4279 /* 0x99 privileged: TRACE */
4281 case 0x9a: /* LAM - load access multiple */
4282 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
4283 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
4285 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
4289 /* 0x9c-0x9f privileged and obsolete (old I/O) */
4290 /* 0xa0-0xa4 undefined */
4294 /* RI-format instruction */
4295 switch (ibyte[0] << 4 | inib[3])
4297 case 0xa50: /* IIHH - insert immediate */
4298 case 0xa51: /* IIHL - insert immediate */
4299 /* high 32-bit destination */
4300 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
4304 case 0xa52: /* IILH - insert immediate */
4305 case 0xa53: /* IILL - insert immediate */
4306 case 0xa75: /* BRAS - branch relative and save */
4307 case 0xa76: /* BRCT - branch relative on count */
4308 case 0xa78: /* LHI - load halfword immediate */
4309 case 0xa7c: /* MHI - multiply halfword immediate */
4310 /* 32-bit or native destination */
4311 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4315 case 0xa54: /* NIHH - and immediate */
4316 case 0xa55: /* NIHL - and immediate */
4317 case 0xa58: /* OIHH - or immediate */
4318 case 0xa59: /* OIHL - or immediate */
4319 /* high 32-bit destination + flags */
4320 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
4322 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4326 case 0xa56: /* NILH - and immediate */
4327 case 0xa57: /* NILL - and immediate */
4328 case 0xa5a: /* OILH - or immediate */
4329 case 0xa5b: /* OILL - or immediate */
4330 case 0xa7a: /* AHI - add halfword immediate */
4331 /* 32-bit destination + flags */
4332 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4334 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4338 case 0xa5c: /* LLIHH - load logical immediate */
4339 case 0xa5d: /* LLIHL - load logical immediate */
4340 case 0xa5e: /* LLILH - load logical immediate */
4341 case 0xa5f: /* LLILL - load logical immediate */
4342 case 0xa77: /* BRCTG - branch relative on count */
4343 case 0xa79: /* LGHI - load halfword immediate */
4344 case 0xa7d: /* MGHI - multiply halfword immediate */
4345 /* 64-bit destination */
4346 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
4350 case 0xa70: /* TMLH - test under mask */
4351 case 0xa71: /* TMLL - test under mask */
4352 case 0xa72: /* TMHH - test under mask */
4353 case 0xa73: /* TMHL - test under mask */
4354 case 0xa7e: /* CHI - compare halfword immediate */
4355 case 0xa7f: /* CGHI - compare halfword immediate */
4357 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4361 case 0xa74: /* BRC - branch relative on condition */
4362 /* no register change */
4365 case 0xa7b: /* AGHI - add halfword immediate */
4366 /* 64-bit destination + flags */
4367 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
4369 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4378 /* 0xa6 undefined */
4380 case 0xa8: /* MVCLE - move long extended [partial] */
4381 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
4382 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4383 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
4384 if (record_full_arch_list_add_mem (oaddr, tmp))
4386 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4388 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4390 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
4392 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
4394 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4398 /* 0xaa-0xab undefined */
4399 /* 0xac privileged: STNSM - store then and system mask */
4400 /* 0xad privileged: STOSM - store then or system mask */
4401 /* 0xae privileged: SIGP - signal processor */
4402 /* 0xaf unsupported: MC - monitor call */
4403 /* 0xb0 undefined */
4404 /* 0xb1 privileged: LRA - load real address */
4409 /* S/RRD/RRE/RRF/IE-format instruction */
4412 /* 0xb200-0xb204 undefined or privileged */
4414 case 0xb205: /* STCK - store clock */
4415 case 0xb27c: /* STCKF - store clock fast */
4416 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4417 if (record_full_arch_list_add_mem (oaddr, 8))
4419 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4423 /* 0xb206-0xb219 undefined, privileged, or unsupported */
4424 /* 0xb21a unsupported: CFC */
4425 /* 0xb21b-0xb221 undefined or privileged */
4427 case 0xb222: /* IPM - insert program mask */
4428 case 0xb24f: /* EAR - extract access */
4429 case 0xb252: /* MSR - multiply single */
4430 case 0xb2ec: /* ETND - extract transaction nesting depth */
4431 case 0xb38c: /* EFPC - extract fpc */
4432 case 0xb91f: /* LRVR - load reversed */
4433 case 0xb926: /* LBR - load byte */
4434 case 0xb927: /* LHR - load halfword */
4435 case 0xb994: /* LLCR - load logical character */
4436 case 0xb995: /* LLHR - load logical halfword */
4437 case 0xb9f2: /* LOCR - load on condition */
4438 /* 32-bit gpr destination */
4439 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4443 /* 0xb223-0xb22c privileged or unsupported */
4445 case 0xb22d: /* DXR - divide */
4446 case 0xb325: /* LXDR - load lengthened */
4447 case 0xb326: /* LXER - load lengthened */
4448 case 0xb336: /* SQXR - square root */
4449 case 0xb365: /* LXR - load */
4450 case 0xb367: /* FIXR - load fp integer */
4451 case 0xb376: /* LZXR - load zero */
4452 case 0xb3b6: /* CXFR - convert from fixed */
4453 case 0xb3c6: /* CXGR - convert from fixed */
4454 case 0xb3fe: /* IEXTR - insert biased exponent */
4455 /* float pair destination */
4456 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4458 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4462 /* 0xb22e-0xb240 undefined, privileged, or unsupported */
4464 case 0xb241: /* CKSM - checksum [partial] */
4465 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4467 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4469 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4471 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4475 /* 0xb242-0xb243 undefined */
4477 case 0xb244: /* SQDR - square root */
4478 case 0xb245: /* SQER - square root */
4479 case 0xb324: /* LDER - load lengthened */
4480 case 0xb337: /* MEER - multiply */
4481 case 0xb366: /* LEXR - load rounded */
4482 case 0xb370: /* LPDFR - load positive */
4483 case 0xb371: /* LNDFR - load negative */
4484 case 0xb372: /* CSDFR - copy sign */
4485 case 0xb373: /* LCDFR - load complement */
4486 case 0xb374: /* LZER - load zero */
4487 case 0xb375: /* LZDR - load zero */
4488 case 0xb377: /* FIER - load fp integer */
4489 case 0xb37f: /* FIDR - load fp integer */
4490 case 0xb3b4: /* CEFR - convert from fixed */
4491 case 0xb3b5: /* CDFR - convert from fixed */
4492 case 0xb3c1: /* LDGR - load fpr from gr */
4493 case 0xb3c4: /* CEGR - convert from fixed */
4494 case 0xb3c5: /* CDGR - convert from fixed */
4495 case 0xb3f6: /* IEDTR - insert biased exponent */
4496 /* float destination */
4497 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4501 /* 0xb246-0xb24c: privileged or unsupported */
4503 case 0xb24d: /* CPYA - copy access */
4504 case 0xb24e: /* SAR - set access */
4505 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6]))
4509 /* 0xb250-0xb251 undefined or privileged */
4510 /* 0xb253-0xb254 undefined or privileged */
4512 case 0xb255: /* MVST - move string [partial] */
4517 /* Read ending byte. */
4518 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
4520 /* Get address of second operand. */
4521 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp);
4522 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4523 /* Search for ending byte and compute length. */
4526 if (target_read_memory (oaddr, &cur, 1))
4529 } while (cur != end);
4530 /* Get address of first operand and record it. */
4531 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4532 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4533 if (record_full_arch_list_add_mem (oaddr, num))
4535 /* Record the registers. */
4536 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4538 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4540 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4545 /* 0xb256 undefined */
4547 case 0xb257: /* CUSE - compare until substring equal [interruptible] */
4548 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4550 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4552 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4554 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4556 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4560 /* 0xb258-0xb25c undefined, privileged, or unsupported */
4562 case 0xb25d: /* CLST - compare logical string [partial] */
4563 case 0xb25e: /* SRST - search string [partial] */
4564 case 0xb9be: /* SRSTU - search string unicode [partial] */
4565 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4567 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4569 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4573 /* 0xb25f-0xb262 undefined */
4575 case 0xb263: /* CMPSC - compression call [interruptible] */
4576 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4577 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4578 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4579 if (record_full_arch_list_add_mem (oaddr, tmp))
4581 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4583 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4585 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4587 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4589 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
4591 /* DXC may be written */
4592 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4594 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4598 /* 0xb264-0xb277 undefined, privileged, or unsupported */
4600 case 0xb278: /* STCKE - store clock extended */
4601 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4602 if (record_full_arch_list_add_mem (oaddr, 16))
4604 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4608 /* 0xb279-0xb27b undefined or unsupported */
4609 /* 0xb27d-0xb298 undefined or privileged */
4611 case 0xb299: /* SRNM - set rounding mode */
4612 case 0xb2b8: /* SRNMB - set bfp rounding mode */
4613 case 0xb2b9: /* SRNMT - set dfp rounding mode */
4614 case 0xb29d: /* LFPC - load fpc */
4615 case 0xb2bd: /* LFAS - load fpc and signal */
4616 case 0xb384: /* SFPC - set fpc */
4617 case 0xb385: /* SFASR - set fpc and signal */
4618 case 0xb960: /* CGRT - compare and trap */
4619 case 0xb961: /* CLGRT - compare logical and trap */
4620 case 0xb972: /* CRT - compare and trap */
4621 case 0xb973: /* CLRT - compare logical and trap */
4622 /* fpc only - including possible DXC write for trapping insns */
4623 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4627 /* 0xb29a-0xb29b undefined */
4629 case 0xb29c: /* STFPC - store fpc */
4630 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4631 if (record_full_arch_list_add_mem (oaddr, 4))
4635 /* 0xb29e-0xb2a4 undefined */
4637 case 0xb2a5: /* TRE - translate extended [partial] */
4638 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4639 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4640 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4641 if (record_full_arch_list_add_mem (oaddr, tmp))
4643 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4645 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4647 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4651 case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */
4652 case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */
4653 case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */
4654 case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */
4655 case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */
4656 case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */
4657 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4658 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4659 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4660 if (record_full_arch_list_add_mem (oaddr, tmp))
4662 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4664 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4666 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4668 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4670 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4674 /* 0xb2a8-0xb2af undefined */
4676 case 0xb2b0: /* STFLE - store facility list extended */
4677 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4678 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
4680 if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1)))
4682 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM))
4684 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4688 /* 0xb2b1-0xb2b7 undefined or privileged */
4689 /* 0xb2ba-0xb2bc undefined */
4690 /* 0xb2be-0xb2e7 undefined */
4691 /* 0xb2e9-0xb2eb undefined */
4692 /* 0xb2ed-0xb2f7 undefined */
4693 /* 0xb2f8 unsupported: TEND */
4694 /* 0xb2f9 undefined */
4696 case 0xb2e8: /* PPA - perform processor assist */
4697 case 0xb2fa: /* NIAI - next instruction access intent */
4698 /* no visible effects */
4701 /* 0xb2fb undefined */
4702 /* 0xb2fc unsupported: TABORT */
4703 /* 0xb2fd-0xb2fe undefined */
4704 /* 0xb2ff unsupported: TRAP */
4706 case 0xb300: /* LPEBR - load positive */
4707 case 0xb301: /* LNEBR - load negative */
4708 case 0xb303: /* LCEBR - load complement */
4709 case 0xb310: /* LPDBR - load positive */
4710 case 0xb311: /* LNDBR - load negative */
4711 case 0xb313: /* LCDBR - load complement */
4712 case 0xb350: /* TBEDR - convert hfp to bfp */
4713 case 0xb351: /* TBDR - convert hfp to bfp */
4714 case 0xb358: /* THDER - convert bfp to hfp */
4715 case 0xb359: /* THDR - convert bfp to hfp */
4716 /* float destination + flags */
4717 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4719 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4723 case 0xb304: /* LDEBR - load lengthened */
4724 case 0xb30c: /* MDEBR - multiply */
4725 case 0xb30d: /* DEBR - divide */
4726 case 0xb314: /* SQEBR - square root */
4727 case 0xb315: /* SQDBR - square root */
4728 case 0xb317: /* MEEBR - multiply */
4729 case 0xb31c: /* MDBR - multiply */
4730 case 0xb31d: /* DDBR - divide */
4731 case 0xb344: /* LEDBRA - load rounded */
4732 case 0xb345: /* LDXBRA - load rounded */
4733 case 0xb346: /* LEXBRA - load rounded */
4734 case 0xb357: /* FIEBRA - load fp integer */
4735 case 0xb35f: /* FIDBRA - load fp integer */
4736 case 0xb390: /* CELFBR - convert from logical */
4737 case 0xb391: /* CDLFBR - convert from logical */
4738 case 0xb394: /* CEFBR - convert from fixed */
4739 case 0xb395: /* CDFBR - convert from fixed */
4740 case 0xb3a0: /* CELGBR - convert from logical */
4741 case 0xb3a1: /* CDLGBR - convert from logical */
4742 case 0xb3a4: /* CEGBR - convert from fixed */
4743 case 0xb3a5: /* CDGBR - convert from fixed */
4744 case 0xb3d0: /* MDTR - multiply */
4745 case 0xb3d1: /* DDTR - divide */
4746 case 0xb3d4: /* LDETR - load lengthened */
4747 case 0xb3d5: /* LEDTR - load lengthened */
4748 case 0xb3d7: /* FIDTR - load fp integer */
4749 case 0xb3dd: /* LDXTR - load lengthened */
4750 case 0xb3f1: /* CDGTR - convert from fixed */
4751 case 0xb3f2: /* CDUTR - convert from unsigned packed */
4752 case 0xb3f3: /* CDSTR - convert from signed packed */
4753 case 0xb3f5: /* QADTR - quantize */
4754 case 0xb3f7: /* RRDTR - reround */
4755 case 0xb951: /* CDFTR - convert from fixed */
4756 case 0xb952: /* CDLGTR - convert from logical */
4757 case 0xb953: /* CDLFTR - convert from logical */
4758 /* float destination + fpc */
4759 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4761 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4765 case 0xb305: /* LXDBR - load lengthened */
4766 case 0xb306: /* LXEBR - load lengthened */
4767 case 0xb307: /* MXDBR - multiply */
4768 case 0xb316: /* SQXBR - square root */
4769 case 0xb34c: /* MXBR - multiply */
4770 case 0xb34d: /* DXBR - divide */
4771 case 0xb347: /* FIXBRA - load fp integer */
4772 case 0xb392: /* CXLFBR - convert from logical */
4773 case 0xb396: /* CXFBR - convert from fixed */
4774 case 0xb3a2: /* CXLGBR - convert from logical */
4775 case 0xb3a6: /* CXGBR - convert from fixed */
4776 case 0xb3d8: /* MXTR - multiply */
4777 case 0xb3d9: /* DXTR - divide */
4778 case 0xb3dc: /* LXDTR - load lengthened */
4779 case 0xb3df: /* FIXTR - load fp integer */
4780 case 0xb3f9: /* CXGTR - convert from fixed */
4781 case 0xb3fa: /* CXUTR - convert from unsigned packed */
4782 case 0xb3fb: /* CXSTR - convert from signed packed */
4783 case 0xb3fd: /* QAXTR - quantize */
4784 case 0xb3ff: /* RRXTR - reround */
4785 case 0xb959: /* CXFTR - convert from fixed */
4786 case 0xb95a: /* CXLGTR - convert from logical */
4787 case 0xb95b: /* CXLFTR - convert from logical */
4788 /* float pair destination + fpc */
4789 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4791 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4793 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4797 case 0xb308: /* KEBR - compare and signal */
4798 case 0xb309: /* CEBR - compare */
4799 case 0xb318: /* KDBR - compare and signal */
4800 case 0xb319: /* CDBR - compare */
4801 case 0xb348: /* KXBR - compare and signal */
4802 case 0xb349: /* CXBR - compare */
4803 case 0xb3e0: /* KDTR - compare and signal */
4804 case 0xb3e4: /* CDTR - compare */
4805 case 0xb3e8: /* KXTR - compare and signal */
4806 case 0xb3ec: /* CXTR - compare */
4807 /* flags + fpc only */
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 case 0xb302: /* LTEBR - load and test */
4815 case 0xb312: /* LTDBR - load and test */
4816 case 0xb30a: /* AEBR - add */
4817 case 0xb30b: /* SEBR - subtract */
4818 case 0xb31a: /* ADBR - add */
4819 case 0xb31b: /* SDBR - subtract */
4820 case 0xb3d2: /* ADTR - add */
4821 case 0xb3d3: /* SDTR - subtract */
4822 case 0xb3d6: /* LTDTR - load and test */
4823 /* float destination + flags + fpc */
4824 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4826 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4828 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4832 case 0xb30e: /* MAEBR - multiply and add */
4833 case 0xb30f: /* MSEBR - multiply and subtract */
4834 case 0xb31e: /* MADBR - multiply and add */
4835 case 0xb31f: /* MSDBR - multiply and subtract */
4836 /* float destination [RRD] + fpc */
4837 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4839 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4843 /* 0xb320-0xb323 undefined */
4844 /* 0xb327-0xb32d undefined */
4846 case 0xb32e: /* MAER - multiply and add */
4847 case 0xb32f: /* MSER - multiply and subtract */
4848 case 0xb338: /* MAYLR - multiply and add unnormalized */
4849 case 0xb339: /* MYLR - multiply unnormalized */
4850 case 0xb33c: /* MAYHR - multiply and add unnormalized */
4851 case 0xb33d: /* MYHR - multiply unnormalized */
4852 case 0xb33e: /* MADR - multiply and add */
4853 case 0xb33f: /* MSDR - multiply and subtract */
4854 /* float destination [RRD] */
4855 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4859 /* 0xb330-0xb335 undefined */
4861 case 0xb33a: /* MAYR - multiply and add unnormalized */
4862 case 0xb33b: /* MYR - multiply unnormalized */
4863 /* float pair destination [RRD] */
4864 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4866 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2)))
4870 case 0xb340: /* LPXBR - load positive */
4871 case 0xb341: /* LNXBR - load negative */
4872 case 0xb343: /* LCXBR - load complement */
4873 case 0xb360: /* LPXR - load positive */
4874 case 0xb361: /* LNXR - load negative */
4875 case 0xb362: /* LTXR - load and test */
4876 case 0xb363: /* LCXR - load complement */
4877 /* float pair destination + flags */
4878 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4880 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4882 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4886 case 0xb342: /* LTXBR - load and test */
4887 case 0xb34a: /* AXBR - add */
4888 case 0xb34b: /* SXBR - subtract */
4889 case 0xb3da: /* AXTR - add */
4890 case 0xb3db: /* SXTR - subtract */
4891 case 0xb3de: /* LTXTR - load and test */
4892 /* float pair destination + flags + fpc */
4893 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4895 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4897 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4899 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4903 /* 0xb34e-0xb34f undefined */
4904 /* 0xb352 undefined */
4906 case 0xb353: /* DIEBR - divide to integer */
4907 case 0xb35b: /* DIDBR - divide to integer */
4908 /* two float destinations + flags + fpc */
4909 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4911 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4913 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4915 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4919 /* 0xb354-0xb356 undefined */
4920 /* 0xb35a undefined */
4922 /* 0xb35c-0xb35e undefined */
4923 /* 0xb364 undefined */
4924 /* 0xb368 undefined */
4926 case 0xb369: /* CXR - compare */
4927 case 0xb3f4: /* CEDTR - compare biased exponent */
4928 case 0xb3fc: /* CEXTR - compare biased exponent */
4929 case 0xb920: /* CGR - compare */
4930 case 0xb921: /* CLGR - compare logical */
4931 case 0xb930: /* CGFR - compare */
4932 case 0xb931: /* CLGFR - compare logical */
4933 case 0xb9cd: /* CHHR - compare high */
4934 case 0xb9cf: /* CLHHR - compare logical high */
4935 case 0xb9dd: /* CHLR - compare high */
4936 case 0xb9df: /* CLHLR - compare logical high */
4938 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4942 /* 0xb36a-0xb36f undefined */
4943 /* 0xb377-0xb37e undefined */
4944 /* 0xb380-0xb383 undefined */
4945 /* 0xb386-0xb38b undefined */
4946 /* 0xb38d-0xb38f undefined */
4947 /* 0xb393 undefined */
4948 /* 0xb397 undefined */
4950 case 0xb398: /* CFEBR - convert to fixed */
4951 case 0xb399: /* CFDBR - convert to fixed */
4952 case 0xb39a: /* CFXBR - convert to fixed */
4953 case 0xb39c: /* CLFEBR - convert to logical */
4954 case 0xb39d: /* CLFDBR - convert to logical */
4955 case 0xb39e: /* CLFXBR - convert to logical */
4956 case 0xb941: /* CFDTR - convert to fixed */
4957 case 0xb949: /* CFXTR - convert to fixed */
4958 case 0xb943: /* CLFDTR - convert to logical */
4959 case 0xb94b: /* CLFXTR - convert to logical */
4960 /* 32-bit gpr destination + flags + fpc */
4961 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4963 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4965 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4969 /* 0xb39b undefined */
4970 /* 0xb39f undefined */
4972 /* 0xb3a3 undefined */
4973 /* 0xb3a7 undefined */
4975 case 0xb3a8: /* CGEBR - convert to fixed */
4976 case 0xb3a9: /* CGDBR - convert to fixed */
4977 case 0xb3aa: /* CGXBR - convert to fixed */
4978 case 0xb3ac: /* CLGEBR - convert to logical */
4979 case 0xb3ad: /* CLGDBR - convert to logical */
4980 case 0xb3ae: /* CLGXBR - convert to logical */
4981 case 0xb3e1: /* CGDTR - convert to fixed */
4982 case 0xb3e9: /* CGXTR - convert to fixed */
4983 case 0xb942: /* CLGDTR - convert to logical */
4984 case 0xb94a: /* CLGXTR - convert to logical */
4985 /* 64-bit gpr destination + flags + fpc */
4986 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
4988 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4990 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4994 /* 0xb3ab undefined */
4995 /* 0xb3af-0xb3b3 undefined */
4996 /* 0xb3b7 undefined */
4998 case 0xb3b8: /* CFER - convert to fixed */
4999 case 0xb3b9: /* CFDR - convert to fixed */
5000 case 0xb3ba: /* CFXR - convert to fixed */
5001 case 0xb998: /* ALCR - add logical with carry */
5002 case 0xb999: /* SLBR - subtract logical with borrow */
5003 case 0xb9f4: /* NRK - and */
5004 case 0xb9f6: /* ORK - or */
5005 case 0xb9f7: /* XRK - xor */
5006 case 0xb9f8: /* ARK - add */
5007 case 0xb9f9: /* SRK - subtract */
5008 case 0xb9fa: /* ALRK - add logical */
5009 case 0xb9fb: /* SLRK - subtract logical */
5010 /* 32-bit gpr destination + flags */
5011 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5013 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5017 case 0xb3c8: /* CGER - convert to fixed */
5018 case 0xb3c9: /* CGDR - convert to fixed */
5019 case 0xb3ca: /* CGXR - convert to fixed */
5020 case 0xb900: /* LPGR - load positive */
5021 case 0xb901: /* LNGR - load negative */
5022 case 0xb902: /* LTGR - load and test */
5023 case 0xb903: /* LCGR - load complement */
5024 case 0xb908: /* AGR - add */
5025 case 0xb909: /* SGR - subtract */
5026 case 0xb90a: /* ALGR - add logical */
5027 case 0xb90b: /* SLGR - subtract logical */
5028 case 0xb910: /* LPGFR - load positive */
5029 case 0xb911: /* LNGFR - load negative */
5030 case 0xb912: /* LTGFR - load and test */
5031 case 0xb913: /* LCGFR - load complement */
5032 case 0xb918: /* AGFR - add */
5033 case 0xb919: /* SGFR - subtract */
5034 case 0xb91a: /* ALGFR - add logical */
5035 case 0xb91b: /* SLGFR - subtract logical */
5036 case 0xb980: /* NGR - and */
5037 case 0xb981: /* OGR - or */
5038 case 0xb982: /* XGR - xor */
5039 case 0xb988: /* ALCGR - add logical with carry */
5040 case 0xb989: /* SLBGR - subtract logical with borrow */
5041 case 0xb9e1: /* POPCNT - population count */
5042 case 0xb9e4: /* NGRK - and */
5043 case 0xb9e6: /* OGRK - or */
5044 case 0xb9e7: /* XGRK - xor */
5045 case 0xb9e8: /* AGRK - add */
5046 case 0xb9e9: /* SGRK - subtract */
5047 case 0xb9ea: /* ALGRK - add logical */
5048 case 0xb9eb: /* SLGRK - subtract logical */
5049 case 0xb9ed: /* MSGRKC - multiply single 64x64 -> 64 */
5050 case 0xb9fd: /* MSRKC - multiply single 32x32 -> 32 */
5051 /* 64-bit gpr destination + flags */
5052 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5054 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5058 /* 0xb3bb-0xb3c0 undefined */
5059 /* 0xb3c2-0xb3c3 undefined */
5060 /* 0xb3c7 undefined */
5061 /* 0xb3cb-0xb3cc undefined */
5063 case 0xb3cd: /* LGDR - load gr from fpr */
5064 case 0xb3e2: /* CUDTR - convert to unsigned packed */
5065 case 0xb3e3: /* CSDTR - convert to signed packed */
5066 case 0xb3e5: /* EEDTR - extract biased exponent */
5067 case 0xb3e7: /* ESDTR - extract significance */
5068 case 0xb3ed: /* EEXTR - extract biased exponent */
5069 case 0xb3ef: /* ESXTR - extract significance */
5070 case 0xb904: /* LGR - load */
5071 case 0xb906: /* LGBR - load byte */
5072 case 0xb907: /* LGHR - load halfword */
5073 case 0xb90c: /* MSGR - multiply single */
5074 case 0xb90f: /* LRVGR - load reversed */
5075 case 0xb914: /* LGFR - load */
5076 case 0xb916: /* LLGFR - load logical */
5077 case 0xb917: /* LLGTR - load logical thirty one bits */
5078 case 0xb91c: /* MSGFR - multiply single 64<32 */
5079 case 0xb946: /* BCTGR - branch on count */
5080 case 0xb984: /* LLGCR - load logical character */
5081 case 0xb985: /* LLGHR - load logical halfword */
5082 case 0xb9e2: /* LOCGR - load on condition */
5083 /* 64-bit gpr destination */
5084 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5088 /* 0xb3ce-0xb3cf undefined */
5089 /* 0xb3e6 undefined */
5091 case 0xb3ea: /* CUXTR - convert to unsigned packed */
5092 case 0xb3eb: /* CSXTR - convert to signed packed */
5093 case 0xb90d: /* DSGR - divide single */
5094 case 0xb91d: /* DSGFR - divide single */
5095 case 0xb986: /* MLGR - multiply logical */
5096 case 0xb987: /* DLGR - divide logical */
5097 case 0xb9ec: /* MGRK - multiply 64x64 -> 128 */
5098 /* 64-bit gpr pair destination */
5099 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5101 if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
5105 /* 0xb3ee undefined */
5106 /* 0xb3f0 undefined */
5107 /* 0xb3f8 undefined */
5109 /* 0xb905 privileged */
5111 /* 0xb90e unsupported: EREGG */
5113 /* 0xb915 undefined */
5115 case 0xb91e: /* KMAC - compute message authentication code [partial] */
5116 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5117 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5118 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5122 case 0x00: /* KMAC-Query */
5123 if (record_full_arch_list_add_mem (oaddr, 16))
5127 case 0x01: /* KMAC-DEA */
5128 case 0x02: /* KMAC-TDEA-128 */
5129 case 0x03: /* KMAC-TDEA-192 */
5130 case 0x09: /* KMAC-Encrypted-DEA */
5131 case 0x0a: /* KMAC-Encrypted-TDEA-128 */
5132 case 0x0b: /* KMAC-Encrypted-TDEA-192 */
5133 if (record_full_arch_list_add_mem (oaddr, 8))
5137 case 0x12: /* KMAC-AES-128 */
5138 case 0x13: /* KMAC-AES-192 */
5139 case 0x14: /* KMAC-AES-256 */
5140 case 0x1a: /* KMAC-Encrypted-AES-128 */
5141 case 0x1b: /* KMAC-Encrypted-AES-192 */
5142 case 0x1c: /* KMAC-Encrypted-AES-256 */
5143 if (record_full_arch_list_add_mem (oaddr, 16))
5148 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
5149 (int)tmp, paddress (gdbarch, addr));
5154 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5156 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5159 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5163 /* 0xb922-0xb924 undefined */
5164 /* 0xb925 privileged */
5165 /* 0xb928 privileged */
5167 case 0xb929: /* KMA - cipher message with authentication */
5168 case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */
5169 case 0xb92b: /* KMO - cipher message with output feedback [partial] */
5170 case 0xb92f: /* KMC - cipher message with chaining [partial] */
5171 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5172 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5173 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5177 case 0x00: /* KM*-Query */
5178 if (record_full_arch_list_add_mem (oaddr, 16))
5182 case 0x01: /* KM*-DEA */
5183 case 0x02: /* KM*-TDEA-128 */
5184 case 0x03: /* KM*-TDEA-192 */
5185 case 0x09: /* KM*-Encrypted-DEA */
5186 case 0x0a: /* KM*-Encrypted-TDEA-128 */
5187 case 0x0b: /* KM*-Encrypted-TDEA-192 */
5188 if (record_full_arch_list_add_mem (oaddr, 8))
5192 case 0x12: /* KM*-AES-128 */
5193 case 0x13: /* KM*-AES-192 */
5194 case 0x14: /* KM*-AES-256 */
5195 case 0x1a: /* KM*-Encrypted-AES-128 */
5196 case 0x1b: /* KM*-Encrypted-AES-192 */
5197 case 0x1c: /* KM*-Encrypted-AES-256 */
5198 if (record_full_arch_list_add_mem (oaddr, 16))
5202 case 0x43: /* KMC-PRNG */
5203 /* Only valid for KMC. */
5204 if (insn[0] == 0xb92f)
5206 if (record_full_arch_list_add_mem (oaddr, 8))
5210 /* For other instructions, fallthru. */
5212 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n",
5213 (int)tmp, paddress (gdbarch, addr));
5218 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5219 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5220 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5221 if (record_full_arch_list_add_mem (oaddr2, tmp))
5223 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5225 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5227 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5230 if (tmp != 0 && insn[0] == 0xb929)
5232 if (record_full_arch_list_add_reg (regcache,
5233 S390_R0_REGNUM + inib[4]))
5235 if (record_full_arch_list_add_reg (regcache,
5236 S390_R0_REGNUM + (inib[4] | 1)))
5239 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5243 case 0xb92c: /* PCC - perform cryptographic computation [partial] */
5244 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5245 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5246 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5250 case 0x00: /* PCC-Query */
5251 if (record_full_arch_list_add_mem (oaddr, 16))
5255 case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */
5256 case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */
5257 case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */
5258 case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */
5259 case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */
5260 case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */
5261 if (record_full_arch_list_add_mem (oaddr + 0x10, 8))
5265 case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */
5266 case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */
5267 case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */
5268 case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */
5269 case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */
5270 case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */
5271 if (record_full_arch_list_add_mem (oaddr + 0x18, 16))
5275 case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */
5276 if (record_full_arch_list_add_mem (oaddr + 0x30, 32))
5280 case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */
5281 if (record_full_arch_list_add_mem (oaddr + 0x40, 32))
5285 case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */
5286 if (record_full_arch_list_add_mem (oaddr + 0x50, 32))
5290 case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */
5291 if (record_full_arch_list_add_mem (oaddr + 0x60, 32))
5296 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n",
5297 (int)tmp, paddress (gdbarch, addr));
5300 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5304 case 0xb92d: /* KMCTR - cipher message with counter [partial] */
5305 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5306 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5307 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5311 case 0x00: /* KMCTR-Query */
5312 if (record_full_arch_list_add_mem (oaddr, 16))
5316 case 0x01: /* KMCTR-DEA */
5317 case 0x02: /* KMCTR-TDEA-128 */
5318 case 0x03: /* KMCTR-TDEA-192 */
5319 case 0x09: /* KMCTR-Encrypted-DEA */
5320 case 0x0a: /* KMCTR-Encrypted-TDEA-128 */
5321 case 0x0b: /* KMCTR-Encrypted-TDEA-192 */
5322 case 0x12: /* KMCTR-AES-128 */
5323 case 0x13: /* KMCTR-AES-192 */
5324 case 0x14: /* KMCTR-AES-256 */
5325 case 0x1a: /* KMCTR-Encrypted-AES-128 */
5326 case 0x1b: /* KMCTR-Encrypted-AES-192 */
5327 case 0x1c: /* KMCTR-Encrypted-AES-256 */
5331 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n",
5332 (int)tmp, paddress (gdbarch, addr));
5337 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5338 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5339 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5340 if (record_full_arch_list_add_mem (oaddr2, tmp))
5342 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5344 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5346 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5348 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4]))
5351 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5355 case 0xb92e: /* KM - cipher message [partial] */
5356 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5357 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5358 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5362 case 0x00: /* KM-Query */
5363 if (record_full_arch_list_add_mem (oaddr, 16))
5367 case 0x01: /* KM-DEA */
5368 case 0x02: /* KM-TDEA-128 */
5369 case 0x03: /* KM-TDEA-192 */
5370 case 0x09: /* KM-Encrypted-DEA */
5371 case 0x0a: /* KM-Encrypted-TDEA-128 */
5372 case 0x0b: /* KM-Encrypted-TDEA-192 */
5373 case 0x12: /* KM-AES-128 */
5374 case 0x13: /* KM-AES-192 */
5375 case 0x14: /* KM-AES-256 */
5376 case 0x1a: /* KM-Encrypted-AES-128 */
5377 case 0x1b: /* KM-Encrypted-AES-192 */
5378 case 0x1c: /* KM-Encrypted-AES-256 */
5381 case 0x32: /* KM-XTS-AES-128 */
5382 if (record_full_arch_list_add_mem (oaddr + 0x10, 16))
5386 case 0x34: /* KM-XTS-AES-256 */
5387 if (record_full_arch_list_add_mem (oaddr + 0x20, 16))
5391 case 0x3a: /* KM-XTS-Encrypted-AES-128 */
5392 if (record_full_arch_list_add_mem (oaddr + 0x30, 16))
5396 case 0x3c: /* KM-XTS-Encrypted-AES-256 */
5397 if (record_full_arch_list_add_mem (oaddr + 0x40, 16))
5402 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n",
5403 (int)tmp, paddress (gdbarch, addr));
5408 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5409 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5410 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5411 if (record_full_arch_list_add_mem (oaddr2, tmp))
5413 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5415 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5417 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5420 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5424 /* 0xb932-0xb93b undefined */
5426 case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */
5427 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5428 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5429 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5433 case 0x00: /* PPNO-Query */
5434 case 0x80: /* PPNO-Query */
5435 if (record_full_arch_list_add_mem (oaddr, 16))
5439 case 0x03: /* PPNO-SHA-512-DRNG - generate */
5440 if (record_full_arch_list_add_mem (oaddr, 240))
5442 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5443 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5444 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
5445 if (record_full_arch_list_add_mem (oaddr2, tmp))
5447 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5449 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5453 case 0x83: /* PPNO-SHA-512-DRNG - seed */
5454 if (record_full_arch_list_add_mem (oaddr, 240))
5456 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5458 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5463 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n",
5464 (int)tmp, paddress (gdbarch, addr));
5467 /* DXC may be written */
5468 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5470 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5474 /* 0xb93d undefined */
5476 case 0xb93e: /* KIMD - compute intermediate message digest [partial] */
5477 case 0xb93f: /* KLMD - compute last message digest [partial] */
5478 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5479 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5480 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5484 case 0x00: /* K*MD-Query */
5485 if (record_full_arch_list_add_mem (oaddr, 16))
5489 case 0x01: /* K*MD-SHA-1 */
5490 if (record_full_arch_list_add_mem (oaddr, 20))
5494 case 0x02: /* K*MD-SHA-256 */
5495 if (record_full_arch_list_add_mem (oaddr, 32))
5499 case 0x03: /* K*MD-SHA-512 */
5500 if (record_full_arch_list_add_mem (oaddr, 64))
5504 case 0x41: /* KIMD-GHASH */
5505 /* Only valid for KIMD. */
5506 if (insn[0] == 0xb93e)
5508 if (record_full_arch_list_add_mem (oaddr, 16))
5512 /* For KLMD, fallthru. */
5514 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
5515 (int)tmp, paddress (gdbarch, addr));
5520 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5522 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5525 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5529 /* 0xb940 undefined */
5530 /* 0xb944-0xb945 undefined */
5531 /* 0xb947-0xb948 undefined */
5532 /* 0xb94c-0xb950 undefined */
5533 /* 0xb954-0xb958 undefined */
5534 /* 0xb95c-0xb95f undefined */
5535 /* 0xb962-0xb971 undefined */
5536 /* 0xb974-0xb97f undefined */
5538 case 0xb983: /* FLOGR - find leftmost one */
5539 /* 64-bit gpr pair destination + flags */
5540 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5542 if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
5544 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5548 /* 0xb98a privileged */
5549 /* 0xb98b-0xb98c undefined */
5551 case 0xb98d: /* EPSW - extract psw */
5552 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5555 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5559 /* 0xb98e-0xb98f privileged */
5561 case 0xb990: /* TRTT - translate two to two [partial] */
5562 case 0xb991: /* TRTO - translate two to one [partial] */
5563 case 0xb992: /* TROT - translate one to two [partial] */
5564 case 0xb993: /* TROO - translate one to one [partial] */
5565 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5566 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5567 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
5568 /* tmp is source length, we want destination length. Adjust. */
5569 if (insn[0] == 0xb991)
5571 if (insn[0] == 0xb992)
5573 if (record_full_arch_list_add_mem (oaddr, tmp))
5575 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5577 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5579 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5581 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5585 case 0xb996: /* MLR - multiply logical */
5586 case 0xb997: /* DLR - divide logical */
5587 /* 32-bit gpr pair destination */
5588 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5590 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5594 /* 0xb99a-0xb9af unsupported, privileged, or undefined */
5595 /* 0xb9b4-0xb9bc undefined */
5597 case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */
5598 case 0xb9bf: /* TRTE - translate and test extended [partial] */
5599 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5601 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5603 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5605 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5609 /* 0xb9c0-0xb9c7 undefined */
5611 case 0xb9c8: /* AHHHR - add high */
5612 case 0xb9c9: /* SHHHR - subtract high */
5613 case 0xb9ca: /* ALHHHR - add logical high */
5614 case 0xb9cb: /* SLHHHR - subtract logical high */
5615 case 0xb9d8: /* AHHLR - add high */
5616 case 0xb9d9: /* SHHLR - subtract high */
5617 case 0xb9da: /* ALHHLR - add logical high */
5618 case 0xb9db: /* SLHHLR - subtract logical high */
5619 /* 32-bit high gpr destination + flags */
5620 if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
5622 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5626 /* 0xb9cc undefined */
5627 /* 0xb9ce undefined */
5628 /* 0xb9d0-0xb9d7 undefined */
5629 /* 0xb9dc undefined */
5630 /* 0xb9de undefined */
5632 case 0xb9e0: /* LOCFHR - load high on condition */
5633 /* 32-bit high gpr destination */
5634 if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
5638 /* 0xb9e3 undefined */
5639 /* 0xb9e5 undefined */
5640 /* 0xb9ee-0xb9f1 undefined */
5641 /* 0xb9f3 undefined */
5642 /* 0xb9f5 undefined */
5643 /* 0xb9fc undefined */
5644 /* 0xb9fe -0xb9ff undefined */
5651 /* 0xb4-0xb5 undefined */
5652 /* 0xb6 privileged: STCTL - store control */
5653 /* 0xb7 privileged: LCTL - load control */
5654 /* 0xb8 undefined */
5656 case 0xba: /* CS - compare and swap */
5657 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5658 if (record_full_arch_list_add_mem (oaddr, 4))
5660 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5662 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5666 case 0xbb: /* CDS - compare double and swap */
5667 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5668 if (record_full_arch_list_add_mem (oaddr, 8))
5670 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5672 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
5674 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5678 /* 0xbc undefined */
5680 case 0xbe: /* STCM - store characters under mask */
5681 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5682 if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
5691 /* RIL-format instruction */
5692 switch (ibyte[0] << 4 | inib[3])
5694 case 0xc00: /* LARL - load address relative long */
5695 case 0xc05: /* BRASL - branch relative and save long */
5696 case 0xc09: /* IILF - insert immediate */
5697 case 0xc21: /* MSFI - multiply single immediate */
5698 case 0xc42: /* LLHRL - load logical halfword relative long */
5699 case 0xc45: /* LHRL - load halfword relative long */
5700 case 0xc4d: /* LRL - load relative long */
5701 /* 32-bit or native gpr destination */
5702 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5706 case 0xc01: /* LGFI - load immediate */
5707 case 0xc0e: /* LLIHF - load logical immediate */
5708 case 0xc0f: /* LLILF - load logical immediate */
5709 case 0xc20: /* MSGFI - multiply single immediate */
5710 case 0xc44: /* LGHRL - load halfword relative long */
5711 case 0xc46: /* LLGHRL - load logical halfword relative long */
5712 case 0xc48: /* LGRL - load relative long */
5713 case 0xc4c: /* LGFRL - load relative long */
5714 case 0xc4e: /* LLGFRL - load logical relative long */
5715 /* 64-bit gpr destination */
5716 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5720 /* 0xc02-0xc03 undefined */
5722 case 0xc04: /* BRCL - branch relative on condition long */
5723 case 0xc62: /* PFDRL - prefetch data relative long */
5726 case 0xc06: /* XIHF - xor immediate */
5727 case 0xc0a: /* NIHF - and immediate */
5728 case 0xc0c: /* OIHF - or immediate */
5729 case 0xcc8: /* AIH - add immediate high */
5730 case 0xcca: /* ALSIH - add logical with signed immediate high */
5731 /* 32-bit high gpr destination + flags */
5732 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
5734 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5738 case 0xc07: /* XILF - xor immediate */
5739 case 0xc0b: /* NILF - and immediate */
5740 case 0xc0d: /* OILF - or immediate */
5741 case 0xc25: /* SLFI - subtract logical immediate */
5742 case 0xc29: /* AFI - add immediate */
5743 case 0xc2b: /* ALFI - add logical immediate */
5744 /* 32-bit gpr destination + flags */
5745 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5747 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5751 case 0xc08: /* IIHF - insert immediate */
5752 case 0xcc6: /* BRCTH - branch relative on count high */
5753 case 0xccb: /* ALSIHN - add logical with signed immediate high */
5754 /* 32-bit high gpr destination */
5755 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
5759 /* 0xc22-0xc23 undefined */
5761 case 0xc24: /* SLGFI - subtract logical immediate */
5762 case 0xc28: /* AGFI - add immediate */
5763 case 0xc2a: /* ALGFI - add logical immediate */
5764 /* 64-bit gpr destination + flags */
5765 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5767 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5771 /* 0xc26-0xc27 undefined */
5773 case 0xc2c: /* CGFI - compare immediate */
5774 case 0xc2d: /* CFI - compare immediate */
5775 case 0xc2e: /* CLGFI - compare logical immediate */
5776 case 0xc2f: /* CLFI - compare logical immediate */
5777 case 0xc64: /* CGHRL - compare halfword relative long */
5778 case 0xc65: /* CHRL - compare halfword relative long */
5779 case 0xc66: /* CLGHRL - compare logical halfword relative long */
5780 case 0xc67: /* CLHRL - compare logical halfword relative long */
5781 case 0xc68: /* CGRL - compare relative long */
5782 case 0xc6a: /* CLGRL - compare logical relative long */
5783 case 0xc6c: /* CGFRL - compare relative long */
5784 case 0xc6d: /* CRL - compare relative long */
5785 case 0xc6e: /* CLGFRL - compare logical relative long */
5786 case 0xc6f: /* CLRL - compare logical relative long */
5787 case 0xccd: /* CIH - compare immediate high */
5788 case 0xccf: /* CLIH - compare logical immediate high */
5790 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5794 /* 0xc40-0xc41 undefined */
5795 /* 0xc43 undefined */
5797 case 0xc47: /* STHRL - store halfword relative long */
5798 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5799 if (record_full_arch_list_add_mem (oaddr, 2))
5803 /* 0xc49-0xc4a undefined */
5805 case 0xc4b: /* STGRL - store relative long */
5806 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5807 if (record_full_arch_list_add_mem (oaddr, 8))
5811 case 0xc4f: /* STRL - store relative long */
5812 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5813 if (record_full_arch_list_add_mem (oaddr, 4))
5817 case 0xc60: /* EXRL - execute relative long */
5820 fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
5821 paddress (gdbarch, addr));
5824 addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5827 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
5836 /* 0xc61 undefined */
5837 /* 0xc63 undefined */
5838 /* 0xc69 undefined */
5839 /* 0xc6b undefined */
5840 /* 0xcc0-0xcc5 undefined */
5841 /* 0xcc7 undefined */
5842 /* 0xcc9 undefined */
5843 /* 0xccc undefined */
5844 /* 0xcce undefined */
5851 /* 0xc1 undefined */
5852 /* 0xc3 undefined */
5854 case 0xc5: /* BPRP - branch prediction relative preload */
5855 case 0xc7: /* BPP - branch prediction preload */
5856 /* no visible effect */
5860 /* SSF-format instruction */
5861 switch (ibyte[0] << 4 | inib[3])
5863 /* 0xc80 unsupported */
5865 case 0xc81: /* ECTG - extract cpu time */
5866 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5868 if (s390_record_gpr_g (gdbarch, regcache, 0))
5870 if (s390_record_gpr_g (gdbarch, regcache, 1))
5874 case 0xc82: /* CSST - compare and swap and store */
5877 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5879 sc = tmp >> 8 & 0xff;
5881 /* First and third operands. */
5882 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5885 case 0x00: /* 32-bit */
5886 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5888 if (record_full_arch_list_add_mem (oaddr, 4))
5892 case 0x01: /* 64-bit */
5893 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5895 if (record_full_arch_list_add_mem (oaddr, 8))
5899 case 0x02: /* 128-bit */
5900 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5902 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
5904 if (record_full_arch_list_add_mem (oaddr, 16))
5909 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
5910 fc, paddress (gdbarch, addr));
5914 /* Second operand. */
5915 oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
5918 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
5919 sc, paddress (gdbarch, addr));
5923 if (record_full_arch_list_add_mem (oaddr2, 1 << sc))
5927 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5932 /* 0xc83 undefined */
5934 case 0xc84: /* LPD - load pair disjoint */
5935 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5937 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
5939 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5943 case 0xc85: /* LPDG - load pair disjoint */
5944 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5946 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
5948 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5952 /* 0xc86-0xc8f undefined */
5959 /* 0xc9-0xcb undefined */
5960 /* 0xcd-0xcf undefined */
5962 case 0xd0: /* TRTR - translate and test reversed */
5963 case 0xdd: /* TRT - translate and test */
5964 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
5966 if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
5968 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5972 case 0xd1: /* MVN - move numbers */
5973 case 0xd2: /* MVC - move */
5974 case 0xd3: /* MVZ - move zones */
5975 case 0xdc: /* TR - translate */
5976 case 0xe8: /* MVCIN - move inverse */
5977 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5978 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5982 case 0xd4: /* NC - and */
5983 case 0xd6: /* OC - or*/
5984 case 0xd7: /* XC - xor */
5985 case 0xe2: /* UNPKU - unpack unicode */
5986 case 0xea: /* UNPKA - unpack ASCII */
5987 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5988 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5990 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5994 case 0xde: /* ED - edit */
5995 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5996 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5998 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6000 /* DXC may be written */
6001 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6005 case 0xdf: /* EDMK - edit and mark */
6006 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6007 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
6009 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
6011 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6013 /* DXC may be written */
6014 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6018 /* 0xd8 undefined */
6019 /* 0xd9 unsupported: MVCK - move with key */
6020 /* 0xda unsupported: MVCP - move to primary */
6021 /* 0xdb unsupported: MVCS - move to secondary */
6022 /* 0xe0 undefined */
6024 case 0xe1: /* PKU - pack unicode */
6025 case 0xe9: /* PKA - pack ASCII */
6026 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6027 if (record_full_arch_list_add_mem (oaddr, 16))
6036 /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */
6037 switch (ibyte[0] << 8 | ibyte[5])
6039 /* 0xe300-0xe301 undefined */
6041 case 0xe302: /* LTG - load and test */
6042 case 0xe308: /* AG - add */
6043 case 0xe309: /* SG - subtract */
6044 case 0xe30a: /* ALG - add logical */
6045 case 0xe30b: /* SLG - subtract logical */
6046 case 0xe318: /* AGF - add */
6047 case 0xe319: /* SGF - subtract */
6048 case 0xe31a: /* ALGF - add logical */
6049 case 0xe31b: /* SLGF - subtract logical */
6050 case 0xe332: /* LTGF - load and test */
6051 case 0xe380: /* NG - and */
6052 case 0xe381: /* OG - or */
6053 case 0xe382: /* XG - xor */
6054 case 0xe388: /* ALCG - add logical with carry */
6055 case 0xe389: /* SLBG - subtract logical with borrow */
6056 case 0xeb0a: /* SRAG - shift right single */
6057 case 0xeb0b: /* SLAG - shift left single */
6058 /* 64-bit gpr destination + flags */
6059 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6061 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6065 /* 0xe303 privileged */
6067 case 0xe304: /* LG - load */
6068 case 0xe30c: /* MSG - multiply single */
6069 case 0xe30f: /* LRVG - load reversed */
6070 case 0xe314: /* LGF - load */
6071 case 0xe315: /* LGH - load halfword */
6072 case 0xe316: /* LLGF - load logical */
6073 case 0xe317: /* LLGT - load logical thirty one bits */
6074 case 0xe31c: /* MSGF - multiply single */
6075 case 0xe32a: /* LZRG - load and zero rightmost byte */
6076 case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */
6077 case 0xe33c: /* MGH - multiply halfword 64x16mem -> 64 */
6078 case 0xe346: /* BCTG - branch on count */
6079 case 0xe377: /* LGB - load byte */
6080 case 0xe390: /* LLGC - load logical character */
6081 case 0xe391: /* LLGH - load logical halfword */
6082 case 0xeb0c: /* SRLG - shift right single logical */
6083 case 0xeb0d: /* SLLG - shift left single logical */
6084 case 0xeb1c: /* RLLG - rotate left single logical */
6085 case 0xeb44: /* BXHG - branch on index high */
6086 case 0xeb45: /* BXLEG - branch on index low or equal */
6087 case 0xeb4c: /* ECAG - extract cpu attribute */
6088 case 0xebe2: /* LOCG - load on condition */
6089 /* 64-bit gpr destination */
6090 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6094 /* 0xe305 undefined */
6096 case 0xe306: /* CVBY - convert to binary */
6097 /* 32-bit or native gpr destination + FPC (DXC write) */
6098 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6100 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6104 /* 0xe307 undefined */
6106 case 0xe30d: /* DSG - divide single */
6107 case 0xe31d: /* DSGF - divide single */
6108 case 0xe384: /* MG - multiply 64x64mem -> 128 */
6109 case 0xe386: /* MLG - multiply logical */
6110 case 0xe387: /* DLG - divide logical */
6111 case 0xe38f: /* LPQ - load pair from quadword */
6112 /* 64-bit gpr pair destination */
6113 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6115 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
6119 case 0xe30e: /* CVBG - convert to binary */
6120 /* 64-bit gpr destination + FPC (DXC write) */
6121 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6123 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6127 /* 0xe310-0xe311 undefined */
6129 case 0xe312: /* LT - load and test */
6130 case 0xe338: /* AGH - add halfword to 64 bit value */
6131 case 0xe339: /* SGH - subtract halfword from 64 bit value */
6132 case 0xe353: /* MSC - multiply single 32x32mem -> 32 */
6133 case 0xe354: /* NY - and */
6134 case 0xe356: /* OY - or */
6135 case 0xe357: /* XY - xor */
6136 case 0xe35a: /* AY - add */
6137 case 0xe35b: /* SY - subtract */
6138 case 0xe35e: /* ALY - add logical */
6139 case 0xe35f: /* SLY - subtract logical */
6140 case 0xe37a: /* AHY - add halfword */
6141 case 0xe37b: /* SHY - subtract halfword */
6142 case 0xe383: /* MSGC - multiply single 64x64mem -> 64 */
6143 case 0xe398: /* ALC - add logical with carry */
6144 case 0xe399: /* SLB - subtract logical with borrow */
6145 case 0xe727: /* LCBB - load count to block bounduary */
6146 case 0xeb81: /* ICMY - insert characters under mask */
6147 case 0xebdc: /* SRAK - shift left single */
6148 case 0xebdd: /* SLAK - shift left single */
6149 /* 32/64-bit gpr destination + flags */
6150 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6152 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6156 /* 0xe313 privileged */
6158 case 0xe31e: /* LRV - load reversed */
6159 case 0xe31f: /* LRVH - load reversed */
6160 case 0xe33b: /* LZRF - load and zero rightmost byte */
6161 case 0xe351: /* MSY - multiply single */
6162 case 0xe358: /* LY - load */
6163 case 0xe371: /* LAY - load address */
6164 case 0xe373: /* ICY - insert character */
6165 case 0xe376: /* LB - load byte */
6166 case 0xe378: /* LHY - load */
6167 case 0xe37c: /* MHY - multiply halfword */
6168 case 0xe394: /* LLC - load logical character */
6169 case 0xe395: /* LLH - load logical halfword */
6170 case 0xeb1d: /* RLL - rotate left single logical */
6171 case 0xebde: /* SRLK - shift left single logical */
6172 case 0xebdf: /* SLLK - shift left single logical */
6173 case 0xebf2: /* LOC - load on condition */
6174 /* 32-bit or native gpr destination */
6175 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6179 case 0xe320: /* CG - compare */
6180 case 0xe321: /* CLG - compare logical */
6181 case 0xe330: /* CGF - compare */
6182 case 0xe331: /* CLGF - compare logical */
6183 case 0xe334: /* CGH - compare halfword */
6184 case 0xe355: /* CLY - compare logical */
6185 case 0xe359: /* CY - compare */
6186 case 0xe379: /* CHY - compare halfword */
6187 case 0xe3cd: /* CHF - compare high */
6188 case 0xe3cf: /* CLHF - compare logical high */
6189 case 0xeb20: /* CLMH - compare logical under mask high */
6190 case 0xeb21: /* CLMY - compare logical under mask */
6191 case 0xeb51: /* TMY - test under mask */
6192 case 0xeb55: /* CLIY - compare logical */
6193 case 0xebc0: /* TP - test decimal */
6194 case 0xed10: /* TCEB - test data class */
6195 case 0xed11: /* TCDB - test data class */
6196 case 0xed12: /* TCXB - test data class */
6197 case 0xed50: /* TDCET - test data class */
6198 case 0xed51: /* TDGET - test data group */
6199 case 0xed54: /* TDCDT - test data class */
6200 case 0xed55: /* TDGDT - test data group */
6201 case 0xed58: /* TDCXT - test data class */
6202 case 0xed59: /* TDGXT - test data group */
6204 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6208 /* 0xe322-0xe323 undefined */
6210 case 0xe324: /* STG - store */
6211 case 0xe325: /* NTSTG - nontransactional store */
6212 case 0xe326: /* CVDY - convert to decimal */
6213 case 0xe32f: /* STRVG - store reversed */
6214 case 0xebe3: /* STOCG - store on condition */
6215 case 0xed67: /* STDY - store */
6216 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6217 if (record_full_arch_list_add_mem (oaddr, 8))
6221 /* 0xe327-0xe329 undefined */
6222 /* 0xe32b-0xe32d undefined */
6224 case 0xe32e: /* CVDG - convert to decimal */
6225 case 0xe38e: /* STPQ - store pair to quadword */
6226 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6227 if (record_full_arch_list_add_mem (oaddr, 16))
6231 /* 0xe333 undefined */
6232 /* 0xe335 undefined */
6234 case 0xe336: /* PFD - prefetch data */
6237 /* 0xe337 undefined */
6238 /* 0xe33c-0xe33d undefined */
6240 case 0xe33e: /* STRV - store reversed */
6241 case 0xe350: /* STY - store */
6242 case 0xe3cb: /* STFH - store high */
6243 case 0xebe1: /* STOCFH - store high on condition */
6244 case 0xebf3: /* STOC - store on condition */
6245 case 0xed66: /* STEY - store */
6246 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6247 if (record_full_arch_list_add_mem (oaddr, 4))
6251 case 0xe33f: /* STRVH - store reversed */
6252 case 0xe370: /* STHY - store halfword */
6253 case 0xe3c7: /* STHH - store halfword high */
6254 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6255 if (record_full_arch_list_add_mem (oaddr, 2))
6259 /* 0xe340-0xe345 undefined */
6261 case 0xe347: /* BIC - branch indirect on condition */
6264 /* 0xe348-0xe34f undefined */
6265 /* 0xe352 undefined */
6267 case 0xe35c: /* MFY - multiply */
6268 case 0xe396: /* ML - multiply logical */
6269 case 0xe397: /* DL - divide logical */
6270 /* 32-bit gpr pair destination */
6271 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6273 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6277 /* 0xe35d undefined */
6278 /* 0xe360-0xe36f undefined */
6280 case 0xe372: /* STCY - store character */
6281 case 0xe3c3: /* STCH - store character high */
6282 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6283 if (record_full_arch_list_add_mem (oaddr, 1))
6287 /* 0xe374 undefined */
6289 case 0xe375: /* LAEY - load address extended */
6290 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6292 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
6296 /* 0xe37d-0xe37f undefined */
6298 case 0xe385: /* LGAT - load and trap */
6299 case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */
6300 case 0xe39d: /* LLGFAT - load logical and trap */
6301 case 0xe650: /* VCVB - vector convert to binary 32 bit*/
6302 case 0xe652: /* VCVBG - vector convert to binary 64 bit*/
6303 case 0xe721: /* VLGV - vector load gr from vr element */
6304 /* 64-bit gpr destination + fpc for possible DXC write */
6305 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6307 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6311 /* 0xe38a-0xe38d undefined */
6312 /* 0xe392-0xe393 undefined */
6313 /* 0xe39a-0xe39b undefined */
6314 /* 0xe39e undefined */
6316 case 0xe39f: /* LAT - load and trap */
6317 /* 32-bit gpr destination + fpc for possible DXC write */
6318 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6320 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6324 /* 0xe3a0-0xe3bf undefined */
6326 case 0xe3c0: /* LBH - load byte high */
6327 case 0xe3c2: /* LLCH - load logical character high */
6328 case 0xe3c4: /* LHH - load halfword high */
6329 case 0xe3c6: /* LLHH - load logical halfword high */
6330 case 0xe3ca: /* LFH - load high */
6331 case 0xebe0: /* LOCFH - load high on condition */
6332 /* 32-bit high gpr destination */
6333 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6337 /* 0xe3c1 undefined */
6338 /* 0xe3c5 undefined */
6340 case 0xe3c8: /* LFHAT - load high and trap */
6341 /* 32-bit high gpr destination + fpc for possible DXC write */
6342 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6344 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6348 /* 0xe3c9 undefined */
6349 /* 0xe3cc undefined */
6350 /* 0xe3ce undefined */
6351 /* 0xe3d0-0xe3ff undefined */
6353 case 0xe634: /* VPKZ - vector pack zoned */
6354 case 0xe635: /* VLRL - vector load rightmost with immed. length */
6355 case 0xe637: /* VLRLR - vector load rightmost with length */
6356 case 0xe649: /* VLIP - vector load immediate decimal */
6357 case 0xe700: /* VLEB - vector load element */
6358 case 0xe701: /* VLEH - vector load element */
6359 case 0xe702: /* VLEG - vector load element */
6360 case 0xe703: /* VLEF - vector load element */
6361 case 0xe704: /* VLLEZ - vector load logical element and zero */
6362 case 0xe705: /* VLREP - vector load and replicate */
6363 case 0xe706: /* VL - vector load */
6364 case 0xe707: /* VLBB - vector load to block bounduary */
6365 case 0xe712: /* VGEG - vector gather element */
6366 case 0xe713: /* VGEF - vector gather element */
6367 case 0xe722: /* VLVG - vector load vr element from gr */
6368 case 0xe730: /* VESL - vector element shift left */
6369 case 0xe733: /* VERLL - vector element rotate left logical */
6370 case 0xe737: /* VLL - vector load with length */
6371 case 0xe738: /* VESRL - vector element shift right logical */
6372 case 0xe73a: /* VESRA - vector element shift right arithmetic */
6373 case 0xe740: /* VLEIB - vector load element immediate */
6374 case 0xe741: /* VLEIH - vector load element immediate */
6375 case 0xe742: /* VLEIG - vector load element immediate */
6376 case 0xe743: /* VLEIF - vector load element immediate */
6377 case 0xe744: /* VGBM - vector generate byte mask */
6378 case 0xe745: /* VREPI - vector replicate immediate */
6379 case 0xe746: /* VGM - vector generate mask */
6380 case 0xe74d: /* VREP - vector replicate */
6381 case 0xe750: /* VPOPCT - vector population count */
6382 case 0xe752: /* VCTZ - vector count trailing zeros */
6383 case 0xe753: /* VCLZ - vector count leading zeros */
6384 case 0xe756: /* VLR - vector load */
6385 case 0xe75f: /* VSEG -vector sign extend to doubleword */
6386 case 0xe760: /* VMRL - vector merge low */
6387 case 0xe761: /* VMRH - vector merge high */
6388 case 0xe762: /* VLVGP - vector load vr from grs disjoint */
6389 case 0xe764: /* VSUM - vector sum across word */
6390 case 0xe765: /* VSUMG - vector sum across doubleword */
6391 case 0xe766: /* VCKSM - vector checksum */
6392 case 0xe767: /* VSUMQ - vector sum across quadword */
6393 case 0xe768: /* VN - vector and */
6394 case 0xe769: /* VNC - vector and with complement */
6395 case 0xe76a: /* VO - vector or */
6396 case 0xe76b: /* VNO - vector nor */
6397 case 0xe76c: /* VNX - vector not exclusive or */
6398 case 0xe76d: /* VX - vector xor */
6399 case 0xe76e: /* VNN - vector nand */
6400 case 0xe76f: /* VOC - vector or with complement */
6401 case 0xe770: /* VESLV - vector element shift left */
6402 case 0xe772: /* VERIM - vector element rotate and insert under mask */
6403 case 0xe773: /* VERLLV - vector element rotate left logical */
6404 case 0xe774: /* VSL - vector shift left */
6405 case 0xe775: /* VSLB - vector shift left by byte */
6406 case 0xe777: /* VSLDB - vector shift left double by byte */
6407 case 0xe778: /* VESRLV - vector element shift right logical */
6408 case 0xe77a: /* VESRAV - vector element shift right arithmetic */
6409 case 0xe77c: /* VSRL - vector shift right logical */
6410 case 0xe77d: /* VSRLB - vector shift right logical by byte */
6411 case 0xe77e: /* VSRA - vector shift right arithmetic */
6412 case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */
6413 case 0xe784: /* VPDI - vector permute doubleword immediate */
6414 case 0xe785: /* VBPERM - vector bit permute */
6415 case 0xe78c: /* VPERM - vector permute */
6416 case 0xe78d: /* VSEL - vector select */
6417 case 0xe78e: /* VFMS - vector fp multiply and subtract */
6418 case 0xe78f: /* VFMA - vector fp multiply and add */
6419 case 0xe794: /* VPK - vector pack */
6420 case 0xe79e: /* VFNMS - vector fp negative multiply and subtract */
6421 case 0xe79f: /* VFNMA - vector fp negative multiply and add */
6422 case 0xe7a1: /* VMLH - vector multiply logical high */
6423 case 0xe7a2: /* VML - vector multiply low */
6424 case 0xe7a3: /* VMH - vector multiply high */
6425 case 0xe7a4: /* VMLE - vector multiply logical even */
6426 case 0xe7a5: /* VMLO - vector multiply logical odd */
6427 case 0xe7a6: /* VME - vector multiply even */
6428 case 0xe7a7: /* VMO - vector multiply odd */
6429 case 0xe7a9: /* VMALH - vector multiply and add logical high */
6430 case 0xe7aa: /* VMAL - vector multiply and add low */
6431 case 0xe7ab: /* VMAH - vector multiply and add high */
6432 case 0xe7ac: /* VMALE - vector multiply and add logical even */
6433 case 0xe7ad: /* VMALO - vector multiply and add logical odd */
6434 case 0xe7ae: /* VMAE - vector multiply and add even */
6435 case 0xe7af: /* VMAO - vector multiply and add odd */
6436 case 0xe7b4: /* VGFM - vector Galois field multiply sum */
6437 case 0xe7b8: /* VMSL - vector multiply sum logical */
6438 case 0xe7b9: /* VACCC - vector add with carry compute carry */
6439 case 0xe7bb: /* VAC - vector add with carry */
6440 case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */
6441 case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */
6442 case 0xe7bf: /* VSBI - vector subtract with borrow indication */
6443 case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */
6444 case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */
6445 case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */
6446 case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */
6447 case 0xe7c4: /* VLDE/VFLL - vector fp load lengthened */
6448 case 0xe7c5: /* VLED/VFLR - vector fp load rounded */
6449 case 0xe7c7: /* VFI - vector load fp integer */
6450 case 0xe7cc: /* VFPSO - vector fp perform sign operation */
6451 case 0xe7ce: /* VFSQ - vector fp square root */
6452 case 0xe7d4: /* VUPLL - vector unpack logical low */
6453 case 0xe7d6: /* VUPL - vector unpack low */
6454 case 0xe7d5: /* VUPLH - vector unpack logical high */
6455 case 0xe7d7: /* VUPH - vector unpack high */
6456 case 0xe7de: /* VLC - vector load complement */
6457 case 0xe7df: /* VLP - vector load positive */
6458 case 0xe7e2: /* VFA - vector fp subtract */
6459 case 0xe7e3: /* VFA - vector fp add */
6460 case 0xe7e5: /* VFD - vector fp divide */
6461 case 0xe7e7: /* VFM - vector fp multiply */
6462 case 0xe7ee: /* VFMIN - vector fp minimum */
6463 case 0xe7ef: /* VFMAX - vector fp maximum */
6464 case 0xe7f0: /* VAVGL - vector average logical */
6465 case 0xe7f1: /* VACC - vector add and compute carry */
6466 case 0xe7f2: /* VAVG - vector average */
6467 case 0xe7f3: /* VA - vector add */
6468 case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */
6469 case 0xe7f7: /* VS - vector subtract */
6470 case 0xe7fc: /* VMNL - vector minimum logical */
6471 case 0xe7fd: /* VMXL - vector maximum logical */
6472 case 0xe7fe: /* VMN - vector minimum */
6473 case 0xe7ff: /* VMX - vector maximum */
6474 /* vector destination + FPC */
6475 if (s390_record_vr (gdbarch, regcache, ivec[0]))
6477 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6481 case 0xe63d: /* VSTRL - vector store rightmost with immed. length */
6482 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6483 if (record_full_arch_list_add_mem (oaddr, inib[3] + 1))
6485 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6489 case 0xe708: /* VSTEB - vector store element */
6490 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6491 if (record_full_arch_list_add_mem (oaddr, 1))
6493 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6497 case 0xe709: /* VSTEH - vector store element */
6498 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6499 if (record_full_arch_list_add_mem (oaddr, 2))
6501 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6505 case 0xe70a: /* VSTEG - vector store element */
6506 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6507 if (record_full_arch_list_add_mem (oaddr, 8))
6509 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6513 case 0xe70b: /* VSTEF - vector store element */
6514 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6515 if (record_full_arch_list_add_mem (oaddr, 4))
6517 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6521 /* 0xe70c-0xe70d undefined */
6523 case 0xe70e: /* VST - vector store */
6524 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6525 if (record_full_arch_list_add_mem (oaddr, 16))
6527 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6531 /* 0xe70f-0xe711 undefined */
6532 /* 0xe714-0xe719 undefined */
6534 case 0xe71a: /* VSCEG - vector scatter element */
6535 if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr))
6537 if (record_full_arch_list_add_mem (oaddr, 8))
6539 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6543 case 0xe71b: /* VSCEF - vector scatter element */
6544 if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr))
6546 if (record_full_arch_list_add_mem (oaddr, 4))
6548 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6552 /* 0xe71c-0xe720 undefined */
6553 /* 0xe723-0xe726 undefined */
6554 /* 0xe728-0xe72f undefined */
6555 /* 0xe731-0xe732 undefined */
6556 /* 0xe734-0xe735 undefined */
6558 case 0xe736: /* VLM - vector load multiple */
6559 for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f)
6560 if (s390_record_vr (gdbarch, regcache, i))
6562 if (s390_record_vr (gdbarch, regcache, ivec[1]))
6564 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6568 /* 0xe739 undefined */
6569 /* 0xe73b-0xe73d undefined */
6571 case 0xe73e: /* VSTM - vector store multiple */
6572 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6573 if (ivec[0] <= ivec[1])
6574 n = ivec[1] - ivec[0] + 1;
6576 n = ivec[1] + 0x20 - ivec[0] + 1;
6577 if (record_full_arch_list_add_mem (oaddr, n * 16))
6579 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6583 case 0xe63c: /* VUPKZ - vector unpack zoned */
6584 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6585 if (record_full_arch_list_add_mem (oaddr, (ibyte[1] + 1) & 31))
6587 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6591 case 0xe63f: /* VSTRLR - vector store rightmost with length */
6592 case 0xe73f: /* VSTL - vector store with length */
6593 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6594 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp);
6598 if (record_full_arch_list_add_mem (oaddr, tmp + 1))
6600 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6604 /* 0xe747-0xe749 undefined */
6606 case 0xe658: /* VCVD - vector convert to decimal 32 bit */
6607 case 0xe659: /* VSRP - vector shift and round decimal */
6608 case 0xe65a: /* VCVDG - vector convert to decimal 64 bit*/
6609 case 0xe65b: /* VPSOP - vector perform sign operation decimal */
6610 case 0xe671: /* VAP - vector add decimal */
6611 case 0xe673: /* VSP - vector subtract decimal */
6612 case 0xe678: /* VMP - vector multiply decimal */
6613 case 0xe679: /* VMSP - vector multiply decimal */
6614 case 0xe67a: /* VDP - vector divide decimal */
6615 case 0xe67b: /* VRP - vector remainder decimal */
6616 case 0xe67e: /* VSDP - vector shift and divide decimal */
6617 case 0xe74a: /* VFTCI - vector fp test data class immediate */
6618 case 0xe75c: /* VISTR - vector isolate string */
6619 case 0xe780: /* VFEE - vector find element equal */
6620 case 0xe781: /* VFENE - vector find element not equal */
6621 case 0xe782: /* VFA - vector find any element equal */
6622 case 0xe78a: /* VSTRC - vector string range compare */
6623 case 0xe795: /* VPKLS - vector pack logical saturate */
6624 case 0xe797: /* VPKS - vector pack saturate */
6625 case 0xe7e8: /* VFCE - vector fp compare equal */
6626 case 0xe7ea: /* VFCHE - vector fp compare high or equal */
6627 case 0xe7eb: /* VFCH - vector fp compare high */
6628 case 0xe7f8: /* VCEQ - vector compare equal */
6629 case 0xe7f9: /* VCHL - vector compare high logical */
6630 case 0xe7fb: /* VCH - vector compare high */
6631 /* vector destination + flags + FPC */
6632 if (s390_record_vr (gdbarch, regcache, ivec[0]))
6634 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6636 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6640 case 0xe65f: /* VTP - vector test decimal */
6642 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6644 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6648 /* 0xe74b-0xe74c undefined */
6649 /* 0xe74e-0xe74f undefined */
6650 /* 0xe751 undefined */
6651 /* 0xe754-0xe755 undefined */
6652 /* 0xe757-0xe75b undefined */
6653 /* 0xe75d-0xe75e undefined */
6654 /* 0xe763 undefined */
6655 /* 0xe771 undefined */
6656 /* 0xe776 undefined */
6657 /* 0xe779 undefined */
6658 /* 0xe77b undefined */
6659 /* 0xe783 undefined */
6660 /* 0xe786-0xe789 undefined */
6661 /* 0xe78b undefined */
6662 /* 0xe790-0xe793 undefined */
6663 /* 0xe796 undefined */
6664 /* 0xe798-0xe79d undefined */
6665 /* 0xe7a0 undefined */
6666 /* 0xe7a8 undefined */
6667 /* 0xe7b0-0xe7b3 undefined */
6668 /* 0xe7b5-0xe7b7 undefined */
6669 /* 0xe7ba undefined */
6670 /* 0xe7be undefined */
6671 /* 0xe7c6 undefined */
6672 /* 0xe7c8-0xe7c9 undefined */
6674 case 0xe677: /* VCP - vector compare decimal */
6675 case 0xe7ca: /* WFK - vector fp compare and signal scalar */
6676 case 0xe7cb: /* WFC - vector fp compare scalar */
6677 case 0xe7d8: /* VTM - vector test under mask */
6678 case 0xe7d9: /* VECL - vector element compare logical */
6679 case 0xe7db: /* VEC - vector element compare */
6680 case 0xed08: /* KEB - compare and signal */
6681 case 0xed09: /* CEB - compare */
6682 case 0xed18: /* KDB - compare and signal */
6683 case 0xed19: /* CDB - compare */
6684 /* flags + fpc only */
6685 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6687 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6691 /* 0xe7cd undefined */
6692 /* 0xe7cf-0xe7d3 undefined */
6693 /* 0xe7da undefined */
6694 /* 0xe7dc-0xe7dd undefined */
6695 /* 0xe7e0-0xe7e1 undefined */
6696 /* 0xe7e4 undefined */
6697 /* 0xe7e6 undefined */
6698 /* 0xe7e9 undefined */
6699 /* 0xe7ec-0xe7ed undefined */
6700 /* 0xe7f4 undefined */
6701 /* 0xe7f6 undefined */
6702 /* 0xe7fa undefined */
6704 /* 0xeb00-0xeb03 undefined */
6706 case 0xeb04: /* LMG - load multiple */
6707 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6708 if (s390_record_gpr_g (gdbarch, regcache, i))
6710 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
6714 /* 0xeb05-0xeb09 undefined */
6715 /* 0xeb0e undefined */
6716 /* 0xeb0f privileged: TRACG */
6717 /* 0xeb10-0xeb13 undefined */
6719 case 0xeb14: /* CSY - compare and swap */
6720 case 0xebf4: /* LAN - load and and */
6721 case 0xebf6: /* LAO - load and or */
6722 case 0xebf7: /* LAX - load and xor */
6723 case 0xebf8: /* LAA - load and add */
6724 case 0xebfa: /* LAAL - load and add logical */
6725 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6726 if (record_full_arch_list_add_mem (oaddr, 4))
6728 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6730 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6734 /* 0xeb15-0xeb1b undefined */
6735 /* 0xeb1e-0xeb1f undefined */
6736 /* 0xeb22 undefined */
6738 case 0xeb23: /* CLT - compare logical and trap */
6739 case 0xeb2b: /* CLGT - compare logical and trap */
6740 /* fpc only - including possible DXC write for trapping insns */
6741 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6745 case 0xeb24: /* STMG - store multiple */
6746 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6747 if (inib[2] <= inib[3])
6748 n = inib[3] - inib[2] + 1;
6750 n = inib[3] + 0x10 - inib[2] + 1;
6751 if (record_full_arch_list_add_mem (oaddr, n * 8))
6755 /* 0xeb25 privileged */
6757 case 0xeb26: /* STMH - store multiple high */
6758 case 0xeb90: /* STMY - store multiple */
6759 case 0xeb9b: /* STAMY - store access multiple */
6760 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6761 if (inib[2] <= inib[3])
6762 n = inib[3] - inib[2] + 1;
6764 n = inib[3] + 0x10 - inib[2] + 1;
6765 if (record_full_arch_list_add_mem (oaddr, n * 4))
6769 /* 0xeb27-0xeb2a undefined */
6771 case 0xeb2c: /* STCMH - store characters under mask */
6772 case 0xeb2d: /* STCMY - store characters under mask */
6773 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6774 if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
6778 /* 0xeb2e undefined */
6779 /* 0xeb2f privileged */
6781 case 0xeb30: /* CSG - compare and swap */
6782 case 0xebe4: /* LANG - load and and */
6783 case 0xebe6: /* LAOG - load and or */
6784 case 0xebe7: /* LAXG - load and xor */
6785 case 0xebe8: /* LAAG - load and add */
6786 case 0xebea: /* LAALG - load and add logical */
6787 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6788 if (record_full_arch_list_add_mem (oaddr, 8))
6790 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6792 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6796 case 0xeb31: /* CDSY - compare double and swap */
6797 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6798 if (record_full_arch_list_add_mem (oaddr, 8))
6800 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6802 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6804 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6808 /* 0xeb32-0xeb3d undefined */
6810 case 0xeb3e: /* CDSG - compare double and swap */
6811 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6812 if (record_full_arch_list_add_mem (oaddr, 16))
6814 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6816 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
6818 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6822 /* 0xeb3f-0xeb43 undefined */
6823 /* 0xeb46-0xeb4b undefined */
6824 /* 0xeb4d-0xeb50 undefined */
6826 case 0xeb52: /* MVIY - move */
6827 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6828 if (record_full_arch_list_add_mem (oaddr, 1))
6832 case 0xeb54: /* NIY - and */
6833 case 0xeb56: /* OIY - or */
6834 case 0xeb57: /* XIY - xor */
6835 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6836 if (record_full_arch_list_add_mem (oaddr, 1))
6838 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6842 /* 0xeb53 undefined */
6843 /* 0xeb58-0xeb69 undefined */
6845 case 0xeb6a: /* ASI - add immediate */
6846 case 0xeb6e: /* ALSI - add immediate */
6847 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6848 if (record_full_arch_list_add_mem (oaddr, 4))
6850 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6854 /* 0xeb6b-0xeb6d undefined */
6855 /* 0xeb6f-0xeb79 undefined */
6857 case 0xeb7a: /* AGSI - add immediate */
6858 case 0xeb7e: /* ALGSI - add immediate */
6859 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6860 if (record_full_arch_list_add_mem (oaddr, 8))
6862 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6866 /* 0xeb7b-0xeb7d undefined */
6867 /* 0xeb7f undefined */
6869 case 0xeb80: /* ICMH - insert characters under mask */
6870 /* 32-bit high gpr destination + flags */
6871 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6873 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6877 /* 0xeb82-0xeb8d undefined */
6879 case 0xeb8e: /* MVCLU - move long unicode [partial] */
6880 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
6881 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
6882 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
6883 if (record_full_arch_list_add_mem (oaddr, tmp))
6885 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6887 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6889 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6891 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
6893 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6897 case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */
6898 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6900 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6902 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6904 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
6906 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6910 /* 0xeb91-0xeb95 undefined */
6912 case 0xeb96: /* LMH - load multiple high */
6913 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6914 if (s390_record_gpr_h (gdbarch, regcache, i))
6916 if (s390_record_gpr_h (gdbarch, regcache, inib[3]))
6920 /* 0xeb97 undefined */
6922 case 0xeb98: /* LMY - load multiple */
6923 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6924 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
6926 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6930 /* 0xeb99 undefined */
6932 case 0xeb9a: /* LAMY - load access multiple */
6933 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6934 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
6936 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
6940 /* 0xeb9c-0xebbf undefined */
6941 /* 0xebc1-0xebdb undefined */
6942 /* 0xebe5 undefined */
6943 /* 0xebe9 undefined */
6944 /* 0xebeb-0xebf1 undefined */
6945 /* 0xebf5 undefined */
6946 /* 0xebf9 undefined */
6947 /* 0xebfb-0xebff undefined */
6949 /* 0xed00-0xed03 undefined */
6951 case 0xed04: /* LDEB - load lengthened */
6952 case 0xed0c: /* MDEB - multiply */
6953 case 0xed0d: /* DEB - divide */
6954 case 0xed14: /* SQEB - square root */
6955 case 0xed15: /* SQDB - square root */
6956 case 0xed17: /* MEEB - multiply */
6957 case 0xed1c: /* MDB - multiply */
6958 case 0xed1d: /* DDB - divide */
6959 /* float destination + fpc */
6960 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6962 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6966 case 0xed05: /* LXDB - load lengthened */
6967 case 0xed06: /* LXEB - load lengthened */
6968 case 0xed07: /* MXDB - multiply */
6969 /* float pair destination + fpc */
6970 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6972 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
6974 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6978 case 0xed0a: /* AEB - add */
6979 case 0xed0b: /* SEB - subtract */
6980 case 0xed1a: /* ADB - add */
6981 case 0xed1b: /* SDB - subtract */
6982 /* float destination + flags + fpc */
6983 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6985 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6987 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6991 case 0xed0e: /* MAEB - multiply and add */
6992 case 0xed0f: /* MSEB - multiply and subtract */
6993 case 0xed1e: /* MADB - multiply and add */
6994 case 0xed1f: /* MSDB - multiply and subtract */
6995 case 0xed40: /* SLDT - shift significand left */
6996 case 0xed41: /* SRDT - shift significand right */
6997 case 0xedaa: /* CDZT - convert from zoned */
6998 case 0xedae: /* CDPT - convert from packed */
6999 /* float destination [RXF] + fpc */
7000 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
7002 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7006 /* 0xed13 undefined */
7007 /* 0xed16 undefined */
7008 /* 0xed20-0xed23 undefined */
7010 case 0xed24: /* LDE - load lengthened */
7011 case 0xed34: /* SQE - square root */
7012 case 0xed35: /* SQD - square root */
7013 case 0xed37: /* MEE - multiply */
7014 case 0xed64: /* LEY - load */
7015 case 0xed65: /* LDY - load */
7016 /* float destination */
7017 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
7021 case 0xed25: /* LXD - load lengthened */
7022 case 0xed26: /* LXE - load lengthened */
7023 /* float pair destination */
7024 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
7026 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
7030 /* 0xed27-0xed2d undefined */
7032 case 0xed2e: /* MAE - multiply and add */
7033 case 0xed2f: /* MSE - multiply and subtract */
7034 case 0xed38: /* MAYL - multiply and add unnormalized */
7035 case 0xed39: /* MYL - multiply unnormalized */
7036 case 0xed3c: /* MAYH - multiply and add unnormalized */
7037 case 0xed3d: /* MYH - multiply unnormalized */
7038 case 0xed3e: /* MAD - multiply and add */
7039 case 0xed3f: /* MSD - multiply and subtract */
7040 /* float destination [RXF] */
7041 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
7045 /* 0xed30-0xed33 undefined */
7046 /* 0xed36 undefined */
7048 case 0xed3a: /* MAY - multiply and add unnormalized */
7049 case 0xed3b: /* MY - multiply unnormalized */
7050 /* float pair destination [RXF] */
7051 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
7053 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
7057 /* 0xed42-0xed47 undefind */
7059 case 0xed48: /* SLXT - shift significand left */
7060 case 0xed49: /* SRXT - shift significand right */
7061 case 0xedab: /* CXZT - convert from zoned */
7062 case 0xedaf: /* CXPT - convert from packed */
7063 /* float pair destination [RXF] + fpc */
7064 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
7066 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
7068 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7072 /* 0xed4a-0xed4f undefind */
7073 /* 0xed52-0xed53 undefind */
7074 /* 0xed56-0xed57 undefind */
7075 /* 0xed5a-0xed63 undefind */
7076 /* 0xed68-0xeda7 undefined */
7078 case 0xeda8: /* CZDT - convert to zoned */
7079 case 0xeda9: /* CZXT - convert to zoned */
7080 case 0xedac: /* CPDT - convert to packed */
7081 case 0xedad: /* CPXT - convert to packed */
7082 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7083 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
7085 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7089 /* 0xedb0-0xedff undefined */
7096 /* 0xe4 undefined */
7099 /* SSE/SIL-format instruction */
7102 /* 0xe500-0xe543 undefined, privileged, or unsupported */
7104 case 0xe544: /* MVHHI - move */
7105 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7106 if (record_full_arch_list_add_mem (oaddr, 2))
7110 /* 0xe545-0xe547 undefined */
7112 case 0xe548: /* MVGHI - move */
7113 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7114 if (record_full_arch_list_add_mem (oaddr, 8))
7118 /* 0xe549-0xe54b undefined */
7120 case 0xe54c: /* MVHI - move */
7121 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7122 if (record_full_arch_list_add_mem (oaddr, 4))
7126 /* 0xe54d-0xe553 undefined */
7128 case 0xe554: /* CHHSI - compare halfword immediate */
7129 case 0xe555: /* CLHHSI - compare logical immediate */
7130 case 0xe558: /* CGHSI - compare halfword immediate */
7131 case 0xe559: /* CLGHSI - compare logical immediate */
7132 case 0xe55c: /* CHSI - compare halfword immediate */
7133 case 0xe55d: /* CLFHSI - compare logical immediate */
7134 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7138 /* 0xe556-0xe557 undefined */
7139 /* 0xe55a-0xe55b undefined */
7140 /* 0xe55e-0xe55f undefined */
7142 case 0xe560: /* TBEGIN - transaction begin */
7143 /* The transaction will be immediately aborted after this
7144 instruction, due to single-stepping. This instruction is
7145 only supported so that the program can fail a few times
7146 and go to the non-transactional fallback. */
7149 /* Transaction diagnostic block - user. */
7150 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7151 if (record_full_arch_list_add_mem (oaddr, 256))
7154 /* Transaction diagnostic block - supervisor. */
7155 if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM))
7157 if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM))
7159 if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM))
7161 if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM))
7163 for (i = 0; i < 16; i++)
7164 if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i))
7167 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7171 /* 0xe561 unsupported: TBEGINC */
7172 /* 0xe562-0xe5ff undefined */
7180 /* RIE/RIS/RRS-format instruction */
7181 switch (ibyte[0] << 8 | ibyte[5])
7183 /* 0xec00-0xec41 undefined */
7185 case 0xec42: /* LOCHI - load halfword immediate on condition */
7186 case 0xec51: /* RISBLG - rotate then insert selected bits low */
7187 /* 32-bit or native gpr destination */
7188 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7192 /* 0xec43 undefined */
7194 case 0xec44: /* BRXHG - branch relative on index high */
7195 case 0xec45: /* BRXLG - branch relative on index low or equal */
7196 case 0xec46: /* LOCGHI - load halfword immediate on condition */
7197 case 0xec59: /* RISBGN - rotate then insert selected bits */
7198 /* 64-bit gpr destination */
7199 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7203 /* 0xec47-0xec4d undefined */
7205 case 0xec4e: /* LOCHHI - load halfword immediate on condition */
7206 case 0xec5d: /* RISBHG - rotate then insert selected bits high */
7207 /* 32-bit high gpr destination */
7208 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
7212 /* 0xec4f-0xec50 undefined */
7213 /* 0xec52-0xec53 undefined */
7215 case 0xec54: /* RNSBG - rotate then and selected bits */
7216 case 0xec55: /* RISBG - rotate then insert selected bits */
7217 case 0xec56: /* ROSBG - rotate then or selected bits */
7218 case 0xec57: /* RXSBG - rotate then xor selected bits */
7219 case 0xecd9: /* AGHIK - add immediate */
7220 case 0xecdb: /* ALGHSIK - add logical immediate */
7221 /* 64-bit gpr destination + flags */
7222 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7224 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7228 /* 0xec58 undefined */
7229 /* 0xec5a-0xec5c undefined */
7230 /* 0xec5e-0xec63 undefined */
7232 case 0xec64: /* CGRJ - compare and branch relative */
7233 case 0xec65: /* CLGRJ - compare logical and branch relative */
7234 case 0xec76: /* CRJ - compare and branch relative */
7235 case 0xec77: /* CLRJ - compare logical and branch relative */
7236 case 0xec7c: /* CGIJ - compare immediate and branch relative */
7237 case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */
7238 case 0xec7e: /* CIJ - compare immediate and branch relative */
7239 case 0xec7f: /* CLIJ - compare logical immediate and branch relative */
7240 case 0xece4: /* CGRB - compare and branch */
7241 case 0xece5: /* CLGRB - compare logical and branch */
7242 case 0xecf6: /* CRB - compare and branch */
7243 case 0xecf7: /* CLRB - compare logical and branch */
7244 case 0xecfc: /* CGIB - compare immediate and branch */
7245 case 0xecfd: /* CLGIB - compare logical immediate and branch */
7246 case 0xecfe: /* CIB - compare immediate and branch */
7247 case 0xecff: /* CLIB - compare logical immediate and branch */
7250 /* 0xec66-0xec6f undefined */
7252 case 0xec70: /* CGIT - compare immediate and trap */
7253 case 0xec71: /* CLGIT - compare logical immediate and trap */
7254 case 0xec72: /* CIT - compare immediate and trap */
7255 case 0xec73: /* CLFIT - compare logical immediate and trap */
7256 /* fpc only - including possible DXC write for trapping insns */
7257 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7261 /* 0xec74-0xec75 undefined */
7262 /* 0xec78-0xec7b undefined */
7264 /* 0xec80-0xecd7 undefined */
7266 case 0xecd8: /* AHIK - add immediate */
7267 case 0xecda: /* ALHSIK - add logical immediate */
7268 /* 32-bit gpr destination + flags */
7269 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7271 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7275 /* 0xecdc-0xece3 undefined */
7276 /* 0xece6-0xecf5 undefined */
7277 /* 0xecf8-0xecfb undefined */
7284 case 0xee: /* PLO - perform locked operation */
7285 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
7286 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7287 oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
7290 uint8_t fc = tmp & 0xff;
7296 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7299 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
7303 case 0x01: /* CLG */
7305 if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
7308 if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
7312 case 0x02: /* CLGR */
7314 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7317 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7321 case 0x03: /* CLX */
7323 if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
7326 if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
7330 case 0x08: /* DCS */
7332 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
7335 case 0x0c: /* CSST */
7337 if (record_full_arch_list_add_mem (oaddr2, 4))
7341 case 0x14: /* CSTST */
7343 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7345 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7346 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7347 if (record_full_arch_list_add_mem (oaddr3, 4))
7350 case 0x10: /* CSDST */
7352 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7354 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7355 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7356 if (record_full_arch_list_add_mem (oaddr3, 4))
7359 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7361 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7362 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7363 if (record_full_arch_list_add_mem (oaddr3, 4))
7369 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7372 if (record_full_arch_list_add_mem (oaddr, 4))
7376 case 0x09: /* DCSG */
7378 if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
7382 case 0x15: /* CSTSTG */
7384 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7386 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7387 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7388 if (record_full_arch_list_add_mem (oaddr3, 8))
7391 case 0x11: /* CSDSTG */
7393 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7395 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7396 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7397 if (record_full_arch_list_add_mem (oaddr3, 8))
7400 case 0x0d: /* CSSTG */
7403 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7405 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7406 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7407 if (record_full_arch_list_add_mem (oaddr3, 8))
7410 case 0x05: /* CSG */
7412 if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
7415 if (record_full_arch_list_add_mem (oaddr, 8))
7419 case 0x0a: /* DCSGR */
7421 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7424 case 0x0e: /* CSSTGR */
7426 if (record_full_arch_list_add_mem (oaddr2, 8))
7430 case 0x16: /* CSTSTGR */
7432 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7434 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7435 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7436 if (record_full_arch_list_add_mem (oaddr3, 8))
7439 case 0x12: /* CSDSTGR */
7441 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7443 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7444 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7445 if (record_full_arch_list_add_mem (oaddr3, 8))
7448 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7450 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7451 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7452 if (record_full_arch_list_add_mem (oaddr3, 8))
7455 case 0x06: /* CSGR */
7458 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7461 if (record_full_arch_list_add_mem (oaddr, 8))
7465 case 0x0b: /* DCSX */
7467 if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
7471 case 0x17: /* CSTSTX */
7473 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7475 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7476 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7477 if (record_full_arch_list_add_mem (oaddr3, 16))
7480 case 0x13: /* CSDSTX */
7482 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7484 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7485 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7486 if (record_full_arch_list_add_mem (oaddr3, 16))
7489 case 0x0f: /* CSSTX */
7492 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7494 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7495 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7496 if (record_full_arch_list_add_mem (oaddr3, 16))
7499 case 0x07: /* CSX */
7501 if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
7504 if (record_full_arch_list_add_mem (oaddr, 16))
7509 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n",
7510 fc, paddress (gdbarch, addr));
7514 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7518 case 0xef: /* LMD - load multiple disjoint */
7519 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
7520 if (s390_record_gpr_g (gdbarch, regcache, i))
7522 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7526 case 0xf0: /* SRP - shift and round decimal */
7527 case 0xf8: /* ZAP - zero and add */
7528 case 0xfa: /* AP - add decimal */
7529 case 0xfb: /* SP - subtract decimal */
7530 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7531 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7533 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7535 /* DXC may be written */
7536 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7540 case 0xf1: /* MVO - move with offset */
7541 case 0xf2: /* PACK - pack */
7542 case 0xf3: /* UNPK - unpack */
7543 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7544 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7548 /* 0xf4-0xf7 undefined */
7550 case 0xf9: /* CP - compare decimal */
7551 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7553 /* DXC may be written */
7554 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7558 case 0xfc: /* MP - multiply decimal */
7559 case 0xfd: /* DP - divide decimal */
7560 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7561 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7563 /* DXC may be written */
7564 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7568 /* 0xfe-0xff undefined */
7572 fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x "
7573 "at %s.\n", insn[0], paddress (gdbarch, addr));
7577 if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
7579 if (record_full_arch_list_add_end ())
7584 /* Initialize linux_record_tdep if not initialized yet. */
7587 s390_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
7588 enum s390_abi_kind abi)
7590 /* These values are the size of the type that will be used in a system
7591 call. They are obtained from Linux Kernel source. */
7593 if (abi == ABI_LINUX_ZSERIES)
7595 record_tdep->size_pointer = 8;
7596 /* no _old_kernel_stat */
7597 record_tdep->size_tms = 32;
7598 record_tdep->size_loff_t = 8;
7599 record_tdep->size_flock = 32;
7600 record_tdep->size_ustat = 32;
7601 record_tdep->size_old_sigaction = 32;
7602 record_tdep->size_old_sigset_t = 8;
7603 record_tdep->size_rlimit = 16;
7604 record_tdep->size_rusage = 144;
7605 record_tdep->size_timeval = 16;
7606 record_tdep->size_timezone = 8;
7607 /* old_[ug]id_t never used */
7608 record_tdep->size_fd_set = 128;
7609 record_tdep->size_old_dirent = 280;
7610 record_tdep->size_statfs = 88;
7611 record_tdep->size_statfs64 = 88;
7612 record_tdep->size_sockaddr = 16;
7613 record_tdep->size_int = 4;
7614 record_tdep->size_long = 8;
7615 record_tdep->size_ulong = 8;
7616 record_tdep->size_msghdr = 56;
7617 record_tdep->size_itimerval = 32;
7618 record_tdep->size_stat = 144;
7619 /* old_utsname unused */
7620 record_tdep->size_sysinfo = 112;
7621 record_tdep->size_msqid_ds = 120;
7622 record_tdep->size_shmid_ds = 112;
7623 record_tdep->size_new_utsname = 390;
7624 record_tdep->size_timex = 208;
7625 record_tdep->size_mem_dqinfo = 24;
7626 record_tdep->size_if_dqblk = 72;
7627 record_tdep->size_fs_quota_stat = 80;
7628 record_tdep->size_timespec = 16;
7629 record_tdep->size_pollfd = 8;
7630 record_tdep->size_NFS_FHSIZE = 32;
7631 record_tdep->size_knfsd_fh = 132;
7632 record_tdep->size_TASK_COMM_LEN = 16;
7633 record_tdep->size_sigaction = 32;
7634 record_tdep->size_sigset_t = 8;
7635 record_tdep->size_siginfo_t = 128;
7636 record_tdep->size_cap_user_data_t = 12;
7637 record_tdep->size_stack_t = 24;
7638 record_tdep->size_off_t = 8;
7640 record_tdep->size_gid_t = 4;
7641 record_tdep->size_uid_t = 4;
7642 record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */
7643 record_tdep->size_flock64 = 32;
7644 record_tdep->size_io_event = 32;
7645 record_tdep->size_iocb = 64;
7646 record_tdep->size_epoll_event = 16;
7647 record_tdep->size_itimerspec = 32;
7648 record_tdep->size_mq_attr = 64;
7649 record_tdep->size_termios = 36;
7650 record_tdep->size_termios2 = 44;
7651 record_tdep->size_pid_t = 4;
7652 record_tdep->size_winsize = 8;
7653 record_tdep->size_serial_struct = 72;
7654 record_tdep->size_serial_icounter_struct = 80;
7655 record_tdep->size_size_t = 8;
7656 record_tdep->size_iovec = 16;
7657 record_tdep->size_time_t = 8;
7659 else if (abi == ABI_LINUX_S390)
7661 record_tdep->size_pointer = 4;
7662 record_tdep->size__old_kernel_stat = 32;
7663 record_tdep->size_tms = 16;
7664 record_tdep->size_loff_t = 8;
7665 record_tdep->size_flock = 16;
7666 record_tdep->size_ustat = 20;
7667 record_tdep->size_old_sigaction = 16;
7668 record_tdep->size_old_sigset_t = 4;
7669 record_tdep->size_rlimit = 8;
7670 record_tdep->size_rusage = 72;
7671 record_tdep->size_timeval = 8;
7672 record_tdep->size_timezone = 8;
7673 record_tdep->size_old_gid_t = 2;
7674 record_tdep->size_old_uid_t = 2;
7675 record_tdep->size_fd_set = 128;
7676 record_tdep->size_old_dirent = 268;
7677 record_tdep->size_statfs = 64;
7678 record_tdep->size_statfs64 = 88;
7679 record_tdep->size_sockaddr = 16;
7680 record_tdep->size_int = 4;
7681 record_tdep->size_long = 4;
7682 record_tdep->size_ulong = 4;
7683 record_tdep->size_msghdr = 28;
7684 record_tdep->size_itimerval = 16;
7685 record_tdep->size_stat = 64;
7686 /* old_utsname unused */
7687 record_tdep->size_sysinfo = 64;
7688 record_tdep->size_msqid_ds = 88;
7689 record_tdep->size_shmid_ds = 84;
7690 record_tdep->size_new_utsname = 390;
7691 record_tdep->size_timex = 128;
7692 record_tdep->size_mem_dqinfo = 24;
7693 record_tdep->size_if_dqblk = 72;
7694 record_tdep->size_fs_quota_stat = 80;
7695 record_tdep->size_timespec = 8;
7696 record_tdep->size_pollfd = 8;
7697 record_tdep->size_NFS_FHSIZE = 32;
7698 record_tdep->size_knfsd_fh = 132;
7699 record_tdep->size_TASK_COMM_LEN = 16;
7700 record_tdep->size_sigaction = 20;
7701 record_tdep->size_sigset_t = 8;
7702 record_tdep->size_siginfo_t = 128;
7703 record_tdep->size_cap_user_data_t = 12;
7704 record_tdep->size_stack_t = 12;
7705 record_tdep->size_off_t = 4;
7706 record_tdep->size_stat64 = 104;
7707 record_tdep->size_gid_t = 4;
7708 record_tdep->size_uid_t = 4;
7709 record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */
7710 record_tdep->size_flock64 = 32;
7711 record_tdep->size_io_event = 32;
7712 record_tdep->size_iocb = 64;
7713 record_tdep->size_epoll_event = 16;
7714 record_tdep->size_itimerspec = 16;
7715 record_tdep->size_mq_attr = 32;
7716 record_tdep->size_termios = 36;
7717 record_tdep->size_termios2 = 44;
7718 record_tdep->size_pid_t = 4;
7719 record_tdep->size_winsize = 8;
7720 record_tdep->size_serial_struct = 60;
7721 record_tdep->size_serial_icounter_struct = 80;
7722 record_tdep->size_size_t = 4;
7723 record_tdep->size_iovec = 8;
7724 record_tdep->size_time_t = 4;
7727 /* These values are the second argument of system call "sys_fcntl"
7728 and "sys_fcntl64". They are obtained from Linux Kernel source. */
7729 record_tdep->fcntl_F_GETLK = 5;
7730 record_tdep->fcntl_F_GETLK64 = 12;
7731 record_tdep->fcntl_F_SETLK64 = 13;
7732 record_tdep->fcntl_F_SETLKW64 = 14;
7734 record_tdep->arg1 = S390_R2_REGNUM;
7735 record_tdep->arg2 = S390_R3_REGNUM;
7736 record_tdep->arg3 = S390_R4_REGNUM;
7737 record_tdep->arg4 = S390_R5_REGNUM;
7738 record_tdep->arg5 = S390_R6_REGNUM;
7740 /* These values are the second argument of system call "sys_ioctl".
7741 They are obtained from Linux Kernel source.
7742 See arch/s390/include/uapi/asm/ioctls.h. */
7744 record_tdep->ioctl_TCGETS = 0x5401;
7745 record_tdep->ioctl_TCSETS = 0x5402;
7746 record_tdep->ioctl_TCSETSW = 0x5403;
7747 record_tdep->ioctl_TCSETSF = 0x5404;
7748 record_tdep->ioctl_TCGETA = 0x5405;
7749 record_tdep->ioctl_TCSETA = 0x5406;
7750 record_tdep->ioctl_TCSETAW = 0x5407;
7751 record_tdep->ioctl_TCSETAF = 0x5408;
7752 record_tdep->ioctl_TCSBRK = 0x5409;
7753 record_tdep->ioctl_TCXONC = 0x540a;
7754 record_tdep->ioctl_TCFLSH = 0x540b;
7755 record_tdep->ioctl_TIOCEXCL = 0x540c;
7756 record_tdep->ioctl_TIOCNXCL = 0x540d;
7757 record_tdep->ioctl_TIOCSCTTY = 0x540e;
7758 record_tdep->ioctl_TIOCGPGRP = 0x540f;
7759 record_tdep->ioctl_TIOCSPGRP = 0x5410;
7760 record_tdep->ioctl_TIOCOUTQ = 0x5411;
7761 record_tdep->ioctl_TIOCSTI = 0x5412;
7762 record_tdep->ioctl_TIOCGWINSZ = 0x5413;
7763 record_tdep->ioctl_TIOCSWINSZ = 0x5414;
7764 record_tdep->ioctl_TIOCMGET = 0x5415;
7765 record_tdep->ioctl_TIOCMBIS = 0x5416;
7766 record_tdep->ioctl_TIOCMBIC = 0x5417;
7767 record_tdep->ioctl_TIOCMSET = 0x5418;
7768 record_tdep->ioctl_TIOCGSOFTCAR = 0x5419;
7769 record_tdep->ioctl_TIOCSSOFTCAR = 0x541a;
7770 record_tdep->ioctl_FIONREAD = 0x541b;
7771 record_tdep->ioctl_TIOCINQ = 0x541b; /* alias */
7772 record_tdep->ioctl_TIOCLINUX = 0x541c;
7773 record_tdep->ioctl_TIOCCONS = 0x541d;
7774 record_tdep->ioctl_TIOCGSERIAL = 0x541e;
7775 record_tdep->ioctl_TIOCSSERIAL = 0x541f;
7776 record_tdep->ioctl_TIOCPKT = 0x5420;
7777 record_tdep->ioctl_FIONBIO = 0x5421;
7778 record_tdep->ioctl_TIOCNOTTY = 0x5422;
7779 record_tdep->ioctl_TIOCSETD = 0x5423;
7780 record_tdep->ioctl_TIOCGETD = 0x5424;
7781 record_tdep->ioctl_TCSBRKP = 0x5425;
7782 record_tdep->ioctl_TIOCSBRK = 0x5427;
7783 record_tdep->ioctl_TIOCCBRK = 0x5428;
7784 record_tdep->ioctl_TIOCGSID = 0x5429;
7785 record_tdep->ioctl_TCGETS2 = 0x802c542a;
7786 record_tdep->ioctl_TCSETS2 = 0x402c542b;
7787 record_tdep->ioctl_TCSETSW2 = 0x402c542c;
7788 record_tdep->ioctl_TCSETSF2 = 0x402c542d;
7789 record_tdep->ioctl_TIOCGPTN = 0x80045430;
7790 record_tdep->ioctl_TIOCSPTLCK = 0x40045431;
7791 record_tdep->ioctl_FIONCLEX = 0x5450;
7792 record_tdep->ioctl_FIOCLEX = 0x5451;
7793 record_tdep->ioctl_FIOASYNC = 0x5452;
7794 record_tdep->ioctl_TIOCSERCONFIG = 0x5453;
7795 record_tdep->ioctl_TIOCSERGWILD = 0x5454;
7796 record_tdep->ioctl_TIOCSERSWILD = 0x5455;
7797 record_tdep->ioctl_TIOCGLCKTRMIOS = 0x5456;
7798 record_tdep->ioctl_TIOCSLCKTRMIOS = 0x5457;
7799 record_tdep->ioctl_TIOCSERGSTRUCT = 0x5458;
7800 record_tdep->ioctl_TIOCSERGETLSR = 0x5459;
7801 record_tdep->ioctl_TIOCSERGETMULTI = 0x545a;
7802 record_tdep->ioctl_TIOCSERSETMULTI = 0x545b;
7803 record_tdep->ioctl_TIOCMIWAIT = 0x545c;
7804 record_tdep->ioctl_TIOCGICOUNT = 0x545d;
7805 record_tdep->ioctl_FIOQSIZE = 0x545e;
7808 /* Set up gdbarch struct. */
7810 static struct gdbarch *
7811 s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
7813 const struct target_desc *tdesc = info.target_desc;
7814 struct tdesc_arch_data *tdesc_data = NULL;
7815 struct gdbarch *gdbarch;
7816 struct gdbarch_tdep *tdep;
7817 enum s390_abi_kind tdep_abi;
7818 enum s390_vector_abi_kind vector_abi;
7820 int have_linux_v1 = 0;
7821 int have_linux_v2 = 0;
7825 int first_pseudo_reg, last_pseudo_reg;
7826 static const char *const stap_register_prefixes[] = { "%", NULL };
7827 static const char *const stap_register_indirection_prefixes[] = { "(",
7829 static const char *const stap_register_indirection_suffixes[] = { ")",
7832 /* Default ABI and register size. */
7833 switch (info.bfd_arch_info->mach)
7835 case bfd_mach_s390_31:
7836 tdep_abi = ABI_LINUX_S390;
7839 case bfd_mach_s390_64:
7840 tdep_abi = ABI_LINUX_ZSERIES;
7847 /* Use default target description if none provided by the target. */
7848 if (!tdesc_has_registers (tdesc))
7850 if (tdep_abi == ABI_LINUX_S390)
7851 tdesc = tdesc_s390_linux32;
7853 tdesc = tdesc_s390x_linux64;
7856 /* Check any target description for validity. */
7857 if (tdesc_has_registers (tdesc))
7859 static const char *const gprs[] = {
7860 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
7861 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
7863 static const char *const fprs[] = {
7864 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
7865 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15"
7867 static const char *const acrs[] = {
7868 "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7",
7869 "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15"
7871 static const char *const gprs_lower[] = {
7872 "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
7873 "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l"
7875 static const char *const gprs_upper[] = {
7876 "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
7877 "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h"
7879 static const char *const tdb_regs[] = {
7880 "tdb0", "tac", "tct", "atia",
7881 "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7",
7882 "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
7884 static const char *const vxrs_low[] = {
7885 "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l",
7886 "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l",
7888 static const char *const vxrs_high[] = {
7889 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
7890 "v25", "v26", "v27", "v28", "v29", "v30", "v31",
7892 static const char *const gs_cb[] = {
7893 "gsd", "gssm", "gsepla",
7895 static const char *const gs_bc[] = {
7896 "bc_gsd", "bc_gssm", "bc_gsepla",
7898 const struct tdesc_feature *feature;
7901 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core");
7902 if (feature == NULL)
7905 tdesc_data = tdesc_data_alloc ();
7907 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7908 S390_PSWM_REGNUM, "pswm");
7909 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7910 S390_PSWA_REGNUM, "pswa");
7912 if (tdesc_unnumbered_register (feature, "r0"))
7914 for (i = 0; i < 16; i++)
7915 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7916 S390_R0_REGNUM + i, gprs[i]);
7922 for (i = 0; i < 16; i++)
7923 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7926 for (i = 0; i < 16; i++)
7927 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7928 S390_R0_UPPER_REGNUM + i,
7932 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr");
7933 if (feature == NULL)
7935 tdesc_data_cleanup (tdesc_data);
7939 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7940 S390_FPC_REGNUM, "fpc");
7941 for (i = 0; i < 16; i++)
7942 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7943 S390_F0_REGNUM + i, fprs[i]);
7945 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr");
7946 if (feature == NULL)
7948 tdesc_data_cleanup (tdesc_data);
7952 for (i = 0; i < 16; i++)
7953 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7954 S390_A0_REGNUM + i, acrs[i]);
7956 /* Optional GNU/Linux-specific "registers". */
7957 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux");
7960 tdesc_numbered_register (feature, tdesc_data,
7961 S390_ORIG_R2_REGNUM, "orig_r2");
7963 if (tdesc_numbered_register (feature, tdesc_data,
7964 S390_LAST_BREAK_REGNUM, "last_break"))
7967 if (tdesc_numbered_register (feature, tdesc_data,
7968 S390_SYSTEM_CALL_REGNUM, "system_call"))
7971 if (have_linux_v2 > have_linux_v1)
7975 /* Transaction diagnostic block. */
7976 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb");
7979 for (i = 0; i < ARRAY_SIZE (tdb_regs); i++)
7980 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7981 S390_TDB_DWORD0_REGNUM + i,
7986 /* Vector registers. */
7987 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx");
7990 for (i = 0; i < 16; i++)
7991 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7992 S390_V0_LOWER_REGNUM + i,
7994 for (i = 0; i < 16; i++)
7995 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7996 S390_V16_REGNUM + i,
8001 /* Guarded-storage registers. */
8002 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gs");
8005 for (i = 0; i < 3; i++)
8006 valid_p &= tdesc_numbered_register (feature, tdesc_data,
8007 S390_GSD_REGNUM + i,
8012 /* Guarded-storage broadcast control. */
8013 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gsbc");
8018 for (i = 0; i < 3; i++)
8019 valid_p &= tdesc_numbered_register (feature, tdesc_data,
8020 S390_BC_GSD_REGNUM + i,
8026 tdesc_data_cleanup (tdesc_data);
8031 /* Determine vector ABI. */
8032 vector_abi = S390_VECTOR_ABI_NONE;
8035 && info.abfd != NULL
8036 && info.abfd->format == bfd_object
8037 && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour
8038 && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU,
8039 Tag_GNU_S390_ABI_Vector) == 2)
8040 vector_abi = S390_VECTOR_ABI_128;
8043 /* Find a candidate among extant architectures. */
8044 for (arches = gdbarch_list_lookup_by_info (arches, &info);
8046 arches = gdbarch_list_lookup_by_info (arches->next, &info))
8048 tdep = gdbarch_tdep (arches->gdbarch);
8051 if (tdep->abi != tdep_abi)
8053 if (tdep->vector_abi != vector_abi)
8055 if ((tdep->gpr_full_regnum != -1) != have_upper)
8057 if (tdep->have_gs != have_gs)
8059 if (tdesc_data != NULL)
8060 tdesc_data_cleanup (tdesc_data);
8061 return arches->gdbarch;
8064 /* Otherwise create a new gdbarch for the specified machine type. */
8065 tdep = XCNEW (struct gdbarch_tdep);
8066 tdep->abi = tdep_abi;
8067 tdep->vector_abi = vector_abi;
8068 tdep->have_linux_v1 = have_linux_v1;
8069 tdep->have_linux_v2 = have_linux_v2;
8070 tdep->have_tdb = have_tdb;
8071 tdep->have_gs = have_gs;
8072 gdbarch = gdbarch_alloc (&info, tdep);
8074 set_gdbarch_believe_pcc_promotion (gdbarch, 0);
8075 set_gdbarch_char_signed (gdbarch, 0);
8077 /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
8078 We can safely let them default to 128-bit, since the debug info
8079 will give the size of type actually used in each case. */
8080 set_gdbarch_long_double_bit (gdbarch, 128);
8081 set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
8083 /* Amount PC must be decremented by after a breakpoint. This is
8084 often the number of bytes returned by gdbarch_breakpoint_from_pc but not
8086 set_gdbarch_decr_pc_after_break (gdbarch, 2);
8087 /* Stack grows downward. */
8088 set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
8089 set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc);
8090 set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind);
8091 set_gdbarch_software_single_step (gdbarch, s390_software_single_step);
8092 set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep);
8093 set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue);
8094 set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p);
8096 set_gdbarch_num_regs (gdbarch, S390_NUM_REGS);
8097 set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM);
8098 set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM);
8099 set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
8100 set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
8101 set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
8102 set_gdbarch_core_read_description (gdbarch, s390_core_read_description);
8103 set_gdbarch_iterate_over_regset_sections (gdbarch,
8104 s390_iterate_over_regset_sections);
8105 set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register);
8106 set_gdbarch_write_pc (gdbarch, s390_write_pc);
8107 set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers);
8108 set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read);
8109 set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write);
8110 set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);
8111 set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type);
8112 set_tdesc_pseudo_register_reggroup_p (gdbarch,
8113 s390_pseudo_register_reggroup_p);
8114 set_gdbarch_ax_pseudo_register_collect (gdbarch,
8115 s390_ax_pseudo_register_collect);
8116 set_gdbarch_ax_pseudo_register_push_stack
8117 (gdbarch, s390_ax_pseudo_register_push_stack);
8118 set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address);
8119 tdesc_use_registers (gdbarch, tdesc, tdesc_data);
8120 set_gdbarch_register_name (gdbarch, s390_register_name);
8122 /* Assign pseudo register numbers. */
8123 first_pseudo_reg = gdbarch_num_regs (gdbarch);
8124 last_pseudo_reg = first_pseudo_reg;
8125 tdep->gpr_full_regnum = -1;
8128 tdep->gpr_full_regnum = last_pseudo_reg;
8129 last_pseudo_reg += 16;
8131 tdep->v0_full_regnum = -1;
8134 tdep->v0_full_regnum = last_pseudo_reg;
8135 last_pseudo_reg += 16;
8137 tdep->pc_regnum = last_pseudo_reg++;
8138 tdep->cc_regnum = last_pseudo_reg++;
8139 set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum);
8140 set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg);
8142 /* Inferior function calls. */
8143 set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call);
8144 set_gdbarch_dummy_id (gdbarch, s390_dummy_id);
8145 set_gdbarch_frame_align (gdbarch, s390_frame_align);
8146 set_gdbarch_return_value (gdbarch, s390_return_value);
8148 /* Syscall handling. */
8149 set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number);
8151 /* Frame handling. */
8152 dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg);
8153 dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum);
8154 dwarf2_append_unwinders (gdbarch);
8155 frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
8156 frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind);
8157 frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind);
8158 frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind);
8159 frame_base_set_default (gdbarch, &s390_frame_base);
8160 set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc);
8161 set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp);
8163 /* Displaced stepping. */
8164 set_gdbarch_displaced_step_copy_insn (gdbarch,
8165 s390_displaced_step_copy_insn);
8166 set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup);
8167 set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
8168 set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE);
8170 /* Note that GNU/Linux is the only OS supported on this
8172 linux_init_abi (info, gdbarch);
8176 case ABI_LINUX_S390:
8177 set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
8178 set_solib_svr4_fetch_link_map_offsets
8179 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
8181 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390);
8184 case ABI_LINUX_ZSERIES:
8185 set_gdbarch_long_bit (gdbarch, 64);
8186 set_gdbarch_long_long_bit (gdbarch, 64);
8187 set_gdbarch_ptr_bit (gdbarch, 64);
8188 set_solib_svr4_fetch_link_map_offsets
8189 (gdbarch, svr4_lp64_fetch_link_map_offsets);
8190 set_gdbarch_address_class_type_flags (gdbarch,
8191 s390_address_class_type_flags);
8192 set_gdbarch_address_class_type_flags_to_name (gdbarch,
8193 s390_address_class_type_flags_to_name);
8194 set_gdbarch_address_class_name_to_type_flags (gdbarch,
8195 s390_address_class_name_to_type_flags);
8196 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X);
8200 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
8202 /* Enable TLS support. */
8203 set_gdbarch_fetch_tls_load_module_address (gdbarch,
8204 svr4_fetch_objfile_link_map);
8206 /* SystemTap functions. */
8207 set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
8208 set_gdbarch_stap_register_indirection_prefixes (gdbarch,
8209 stap_register_indirection_prefixes);
8210 set_gdbarch_stap_register_indirection_suffixes (gdbarch,
8211 stap_register_indirection_suffixes);
8212 set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand);
8213 set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
8214 set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp);
8216 /* Support reverse debugging. */
8218 set_gdbarch_process_record (gdbarch, s390_process_record);
8219 set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal);
8221 s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390);
8222 s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES);
8224 set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options);
8225 set_gdbarch_valid_disassembler_options (gdbarch,
8226 disassembler_options_s390 ());
8232 _initialize_s390_tdep (void)
8234 /* Hook us into the gdbarch mechanism. */
8235 register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init);
8237 /* Initialize the GNU/Linux target descriptions. */
8238 initialize_tdesc_s390_linux32 ();
8239 initialize_tdesc_s390_linux32v1 ();
8240 initialize_tdesc_s390_linux32v2 ();
8241 initialize_tdesc_s390_linux64 ();
8242 initialize_tdesc_s390_linux64v1 ();
8243 initialize_tdesc_s390_linux64v2 ();
8244 initialize_tdesc_s390_te_linux64 ();
8245 initialize_tdesc_s390_vx_linux64 ();
8246 initialize_tdesc_s390_tevx_linux64 ();
8247 initialize_tdesc_s390_gs_linux64 ();
8248 initialize_tdesc_s390x_linux64 ();
8249 initialize_tdesc_s390x_linux64v1 ();
8250 initialize_tdesc_s390x_linux64v2 ();
8251 initialize_tdesc_s390x_te_linux64 ();
8252 initialize_tdesc_s390x_vx_linux64 ();
8253 initialize_tdesc_s390x_tevx_linux64 ();
8254 initialize_tdesc_s390x_gs_linux64 ();