1 /* Target-dependent code for GDB, the GNU debugger.
3 Copyright (C) 2001-2017 Free Software Foundation, Inc.
5 Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
6 for IBM Deutschland Entwicklung GmbH, IBM Corporation.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "arch-utils.h"
33 #include "floatformat.h"
35 #include "trad-frame.h"
36 #include "frame-base.h"
37 #include "frame-unwind.h"
38 #include "dwarf2-frame.h"
39 #include "reggroups.h"
43 #include "solib-svr4.h"
44 #include "prologue-value.h"
45 #include "linux-tdep.h"
46 #include "s390-linux-tdep.h"
47 #include "linux-record.h"
48 #include "record-full.h"
50 #include "xml-syscall.h"
52 #include "stap-probe.h"
55 #include "user-regs.h"
56 #include "cli/cli-utils.h"
58 #include "elf/common.h"
63 #include "features/s390-linux32.c"
64 #include "features/s390-linux32v1.c"
65 #include "features/s390-linux32v2.c"
66 #include "features/s390-linux64.c"
67 #include "features/s390-linux64v1.c"
68 #include "features/s390-linux64v2.c"
69 #include "features/s390-te-linux64.c"
70 #include "features/s390-vx-linux64.c"
71 #include "features/s390-tevx-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"
79 #define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml"
80 #define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml"
82 /* Holds the current set of options to be passed to the disassembler. */
83 static char *s390_disassembler_options;
91 enum s390_vector_abi_kind
97 /* The tdep structure. */
102 enum s390_abi_kind abi;
105 enum s390_vector_abi_kind vector_abi;
107 /* Pseudo register numbers. */
119 /* ABI call-saved register information. */
122 s390_register_call_saved (struct gdbarch *gdbarch, int regnum)
124 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
129 if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
130 || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM
131 || regnum == S390_A0_REGNUM)
136 case ABI_LINUX_ZSERIES:
137 if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
138 || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM)
139 || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM))
149 s390_cannot_store_register (struct gdbarch *gdbarch, int regnum)
151 /* The last-break address is read-only. */
152 return regnum == S390_LAST_BREAK_REGNUM;
156 s390_write_pc (struct regcache *regcache, CORE_ADDR pc)
158 struct gdbarch *gdbarch = get_regcache_arch (regcache);
159 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
161 regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc);
163 /* Set special SYSTEM_CALL register to 0 to prevent the kernel from
164 messing with the PC we just installed, if we happen to be within
165 an interrupted system call that the kernel wants to restart.
167 Note that after we return from the dummy call, the SYSTEM_CALL and
168 ORIG_R2 registers will be automatically restored, and the kernel
169 continues to restart the system call at this point. */
170 if (register_size (gdbarch, S390_SYSTEM_CALL_REGNUM) > 0)
171 regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0);
174 /* The "guess_tracepoint_registers" gdbarch method. */
177 s390_guess_tracepoint_registers (struct gdbarch *gdbarch,
178 struct regcache *regcache,
181 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
182 int sz = register_size (gdbarch, S390_PSWA_REGNUM);
183 gdb_byte *reg = (gdb_byte *) alloca (sz);
186 /* Set PSWA from the location and a default PSWM (the only part we're
187 unlikely to get right is the CC). */
188 if (tdep->abi == ABI_LINUX_S390)
190 /* 31-bit PSWA needs high bit set (it's very unlikely the target
191 was in 24-bit mode). */
192 pswa = addr | 0x80000000UL;
198 pswm = 0x0705000180000000ULL;
201 store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa);
202 regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg);
204 store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm);
205 regcache_raw_supply (regcache, S390_PSWM_REGNUM, reg);
209 /* DWARF Register Mapping. */
211 static const short s390_dwarf_regmap[] =
213 /* 0-15: General Purpose Registers. */
214 S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
215 S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
216 S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
217 S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
219 /* 16-31: Floating Point Registers / Vector Registers 0-15. */
220 S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM,
221 S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM,
222 S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM,
223 S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM,
225 /* 32-47: Control Registers (not mapped). */
226 -1, -1, -1, -1, -1, -1, -1, -1,
227 -1, -1, -1, -1, -1, -1, -1, -1,
229 /* 48-63: Access Registers. */
230 S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM,
231 S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM,
232 S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM,
233 S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM,
235 /* 64-65: Program Status Word. */
239 /* 66-67: Reserved. */
242 /* 68-83: Vector Registers 16-31. */
243 S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM,
244 S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM,
245 S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM,
246 S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM,
248 /* End of "official" DWARF registers. The remainder of the map is
249 for GDB internal use only. */
251 /* GPR Lower Half Access. */
252 S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
253 S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
254 S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
255 S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
258 enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 };
260 /* Convert DWARF register number REG to the appropriate register
261 number used by GDB. */
263 s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg)
265 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
268 /* In a 32-on-64 debug scenario, debug info refers to the full
269 64-bit GPRs. Note that call frame information still refers to
270 the 32-bit lower halves, because s390_adjust_frame_regnum uses
271 special register numbers to access GPRs. */
272 if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16)
273 return tdep->gpr_full_regnum + reg;
275 if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap))
276 gdb_reg = s390_dwarf_regmap[reg];
278 if (tdep->v0_full_regnum == -1)
280 if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM)
285 if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM)
286 gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum;
292 /* Translate a .eh_frame register to DWARF register, or adjust a
293 .debug_frame register. */
295 s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p)
297 /* See s390_dwarf_reg_to_regnum for comments. */
298 return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num;
302 /* Pseudo registers. */
305 regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum)
307 return (tdep->gpr_full_regnum != -1
308 && regnum >= tdep->gpr_full_regnum
309 && regnum <= tdep->gpr_full_regnum + 15);
312 /* Check whether REGNUM indicates a full vector register (v0-v15).
313 These pseudo-registers are composed of f0-f15 and v0l-v15l. */
316 regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum)
318 return (tdep->v0_full_regnum != -1
319 && regnum >= tdep->v0_full_regnum
320 && regnum <= tdep->v0_full_regnum + 15);
323 /* Return the name of register REGNO. Return the empty string for
324 registers that shouldn't be visible. */
327 s390_register_name (struct gdbarch *gdbarch, int regnum)
329 if (regnum >= S390_V0_LOWER_REGNUM
330 && regnum <= S390_V15_LOWER_REGNUM)
332 return tdesc_register_name (gdbarch, regnum);
336 s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum)
338 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
340 if (regnum == tdep->pc_regnum)
343 if (regnum == tdep->cc_regnum)
346 if (regnum_is_gpr_full (tdep, regnum))
348 static const char *full_name[] = {
349 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
350 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
352 return full_name[regnum - tdep->gpr_full_regnum];
355 if (regnum_is_vxr_full (tdep, regnum))
357 static const char *full_name[] = {
358 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
359 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
361 return full_name[regnum - tdep->v0_full_regnum];
364 internal_error (__FILE__, __LINE__, _("invalid regnum"));
368 s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum)
370 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
372 if (regnum == tdep->pc_regnum)
373 return builtin_type (gdbarch)->builtin_func_ptr;
375 if (regnum == tdep->cc_regnum)
376 return builtin_type (gdbarch)->builtin_int;
378 if (regnum_is_gpr_full (tdep, regnum))
379 return builtin_type (gdbarch)->builtin_uint64;
381 if (regnum_is_vxr_full (tdep, regnum))
382 return tdesc_find_type (gdbarch, "vec128");
384 internal_error (__FILE__, __LINE__, _("invalid regnum"));
387 static enum register_status
388 s390_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
389 int regnum, gdb_byte *buf)
391 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
392 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
393 int regsize = register_size (gdbarch, regnum);
396 if (regnum == tdep->pc_regnum)
398 enum register_status status;
400 status = regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &val);
401 if (status == REG_VALID)
403 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
405 store_unsigned_integer (buf, regsize, byte_order, val);
410 if (regnum == tdep->cc_regnum)
412 enum register_status status;
414 status = regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &val);
415 if (status == REG_VALID)
417 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
418 val = (val >> 12) & 3;
420 val = (val >> 44) & 3;
421 store_unsigned_integer (buf, regsize, byte_order, val);
426 if (regnum_is_gpr_full (tdep, regnum))
428 enum register_status status;
431 regnum -= tdep->gpr_full_regnum;
433 status = regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + regnum, &val);
434 if (status == REG_VALID)
435 status = regcache_raw_read_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
437 if (status == REG_VALID)
439 val |= val_upper << 32;
440 store_unsigned_integer (buf, regsize, byte_order, val);
445 if (regnum_is_vxr_full (tdep, regnum))
447 enum register_status status;
449 regnum -= tdep->v0_full_regnum;
451 status = regcache_raw_read (regcache, S390_F0_REGNUM + regnum, buf);
452 if (status == REG_VALID)
453 status = regcache_raw_read (regcache,
454 S390_V0_LOWER_REGNUM + regnum, buf + 8);
458 internal_error (__FILE__, __LINE__, _("invalid regnum"));
462 s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
463 int regnum, const gdb_byte *buf)
465 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
466 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
467 int regsize = register_size (gdbarch, regnum);
470 if (regnum == tdep->pc_regnum)
472 val = extract_unsigned_integer (buf, regsize, byte_order);
473 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
475 regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw);
476 val = (psw & 0x80000000) | (val & 0x7fffffff);
478 regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val);
482 if (regnum == tdep->cc_regnum)
484 val = extract_unsigned_integer (buf, regsize, byte_order);
485 regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw);
486 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
487 val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12);
489 val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44);
490 regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val);
494 if (regnum_is_gpr_full (tdep, regnum))
496 regnum -= tdep->gpr_full_regnum;
497 val = extract_unsigned_integer (buf, regsize, byte_order);
498 regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum,
500 regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
505 if (regnum_is_vxr_full (tdep, regnum))
507 regnum -= tdep->v0_full_regnum;
508 regcache_raw_write (regcache, S390_F0_REGNUM + regnum, buf);
509 regcache_raw_write (regcache, S390_V0_LOWER_REGNUM + regnum, buf + 8);
513 internal_error (__FILE__, __LINE__, _("invalid regnum"));
516 /* 'float' values are stored in the upper half of floating-point
517 registers, even though we are otherwise a big-endian platform. The
518 same applies to a 'float' value within a vector. */
520 static struct value *
521 s390_value_from_register (struct gdbarch *gdbarch, struct type *type,
522 int regnum, struct frame_id frame_id)
524 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
525 struct value *value = default_value_from_register (gdbarch, type,
527 check_typedef (type);
529 if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM
530 && TYPE_LENGTH (type) < 8)
531 || regnum_is_vxr_full (tdep, regnum)
532 || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM))
533 set_value_offset (value, 0);
538 /* Register groups. */
541 s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
542 struct reggroup *group)
544 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
546 /* We usually save/restore the whole PSW, which includes PC and CC.
547 However, some older gdbservers may not support saving/restoring
548 the whole PSW yet, and will return an XML register description
549 excluding those from the save/restore register groups. In those
550 cases, we still need to explicitly save/restore PC and CC in order
551 to push or pop frames. Since this doesn't hurt anything if we
552 already save/restore the whole PSW (it's just redundant), we add
553 PC and CC at this point unconditionally. */
554 if (group == save_reggroup || group == restore_reggroup)
555 return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum;
557 if (group == vector_reggroup)
558 return regnum_is_vxr_full (tdep, regnum);
560 if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum))
563 return default_register_reggroup_p (gdbarch, regnum, group);
566 /* The "ax_pseudo_register_collect" gdbarch method. */
569 s390_ax_pseudo_register_collect (struct gdbarch *gdbarch,
570 struct agent_expr *ax, int regnum)
572 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
573 if (regnum == tdep->pc_regnum)
575 ax_reg_mask (ax, S390_PSWA_REGNUM);
577 else if (regnum == tdep->cc_regnum)
579 ax_reg_mask (ax, S390_PSWM_REGNUM);
581 else if (regnum_is_gpr_full (tdep, regnum))
583 regnum -= tdep->gpr_full_regnum;
584 ax_reg_mask (ax, S390_R0_REGNUM + regnum);
585 ax_reg_mask (ax, S390_R0_UPPER_REGNUM + regnum);
587 else if (regnum_is_vxr_full (tdep, regnum))
589 regnum -= tdep->v0_full_regnum;
590 ax_reg_mask (ax, S390_F0_REGNUM + regnum);
591 ax_reg_mask (ax, S390_V0_LOWER_REGNUM + regnum);
595 internal_error (__FILE__, __LINE__, _("invalid regnum"));
600 /* The "ax_pseudo_register_push_stack" gdbarch method. */
603 s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch,
604 struct agent_expr *ax, int regnum)
606 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
607 if (regnum == tdep->pc_regnum)
609 ax_reg (ax, S390_PSWA_REGNUM);
610 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
612 ax_zero_ext (ax, 31);
615 else if (regnum == tdep->cc_regnum)
617 ax_reg (ax, S390_PSWM_REGNUM);
618 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
622 ax_simple (ax, aop_rsh_unsigned);
625 else if (regnum_is_gpr_full (tdep, regnum))
627 regnum -= tdep->gpr_full_regnum;
628 ax_reg (ax, S390_R0_REGNUM + regnum);
629 ax_reg (ax, S390_R0_UPPER_REGNUM + regnum);
631 ax_simple (ax, aop_lsh);
632 ax_simple (ax, aop_bit_or);
634 else if (regnum_is_vxr_full (tdep, regnum))
636 /* Too large to stuff on the stack. */
641 internal_error (__FILE__, __LINE__, _("invalid regnum"));
646 /* The "gen_return_address" gdbarch method. Since this is supposed to be
647 just a best-effort method, and we don't really have the means to run
648 the full unwinder here, just collect the link register. */
651 s390_gen_return_address (struct gdbarch *gdbarch,
652 struct agent_expr *ax, struct axs_value *value,
655 value->type = register_type (gdbarch, S390_R14_REGNUM);
656 value->kind = axs_lvalue_register;
657 value->u.reg = S390_R14_REGNUM;
661 /* A helper for s390_software_single_step, decides if an instruction
662 is a partial-execution instruction that needs to be executed until
663 completion when in record mode. If it is, returns 1 and writes
664 instruction length to a pointer. */
667 s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len)
669 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
672 insn = read_memory_integer (loc, 2, byte_order);
676 case 0xa8: /* MVCLE */
682 insn = read_memory_integer (loc + 4, 2, byte_order);
683 if ((insn & 0xff) == 0x8e)
695 case 0xb255: /* MVST */
696 case 0xb263: /* CMPSC */
697 case 0xb2a5: /* TRE */
698 case 0xb2a6: /* CU21 */
699 case 0xb2a7: /* CU12 */
700 case 0xb9b0: /* CU14 */
701 case 0xb9b1: /* CU24 */
702 case 0xb9b2: /* CU41 */
703 case 0xb9b3: /* CU42 */
704 case 0xb92a: /* KMF */
705 case 0xb92b: /* KMO */
706 case 0xb92f: /* KMC */
707 case 0xb92d: /* KMCTR */
708 case 0xb92e: /* KM */
709 case 0xb93c: /* PPNO */
710 case 0xb990: /* TRTT */
711 case 0xb991: /* TRTO */
712 case 0xb992: /* TROT */
713 case 0xb993: /* TROO */
721 /* Implement the "software_single_step" gdbarch method, needed to single step
722 through instructions like MVCLE in record mode, to make sure they are
723 executed to completion. Without that, record will save the full length
724 of destination buffer on every iteration, even though the CPU will only
725 process about 4kiB of it each time, leading to O(n**2) memory and time
728 static std::vector<CORE_ADDR>
729 s390_software_single_step (struct regcache *regcache)
731 struct gdbarch *gdbarch = get_regcache_arch (regcache);
732 CORE_ADDR loc = regcache_read_pc (regcache);
733 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
737 /* Special handling only if recording. */
738 if (!record_full_is_used ())
741 /* First, match a partial instruction. */
742 if (!s390_is_partial_instruction (gdbarch, loc, &len))
747 /* Second, look for a branch back to it. */
748 insn = read_memory_integer (loc, 2, byte_order);
749 if (insn != 0xa714) /* BRC with mask 1 */
752 insn = read_memory_integer (loc + 2, 2, byte_order);
753 if (insn != (uint16_t) -(len / 2))
758 /* Found it, step past the whole thing. */
763 s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
764 struct displaced_step_closure *closure)
770 /* Maps for register sets. */
772 static const struct regcache_map_entry s390_gregmap[] =
774 { 1, S390_PSWM_REGNUM },
775 { 1, S390_PSWA_REGNUM },
776 { 16, S390_R0_REGNUM },
777 { 16, S390_A0_REGNUM },
778 { 1, S390_ORIG_R2_REGNUM },
782 static const struct regcache_map_entry s390_fpregmap[] =
784 { 1, S390_FPC_REGNUM, 8 },
785 { 16, S390_F0_REGNUM, 8 },
789 static const struct regcache_map_entry s390_regmap_upper[] =
791 { 16, S390_R0_UPPER_REGNUM, 4 },
795 static const struct regcache_map_entry s390_regmap_last_break[] =
797 { 1, REGCACHE_MAP_SKIP, 4 },
798 { 1, S390_LAST_BREAK_REGNUM, 4 },
802 static const struct regcache_map_entry s390x_regmap_last_break[] =
804 { 1, S390_LAST_BREAK_REGNUM, 8 },
808 static const struct regcache_map_entry s390_regmap_system_call[] =
810 { 1, S390_SYSTEM_CALL_REGNUM, 4 },
814 static const struct regcache_map_entry s390_regmap_tdb[] =
816 { 1, S390_TDB_DWORD0_REGNUM, 8 },
817 { 1, S390_TDB_ABORT_CODE_REGNUM, 8 },
818 { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 },
819 { 1, S390_TDB_ATIA_REGNUM, 8 },
820 { 12, REGCACHE_MAP_SKIP, 8 },
821 { 16, S390_TDB_R0_REGNUM, 8 },
825 static const struct regcache_map_entry s390_regmap_vxrs_low[] =
827 { 16, S390_V0_LOWER_REGNUM, 8 },
831 static const struct regcache_map_entry s390_regmap_vxrs_high[] =
833 { 16, S390_V16_REGNUM, 16 },
838 /* Supply the TDB regset. Like regcache_supply_regset, but invalidate
839 the TDB registers unless the TDB format field is valid. */
842 s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache,
843 int regnum, const void *regs, size_t len)
846 enum register_status ret;
848 regcache_supply_regset (regset, regcache, regnum, regs, len);
849 ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw);
850 if (ret != REG_VALID || (tdw >> 56) != 1)
851 regcache_supply_regset (regset, regcache, regnum, NULL, len);
854 const struct regset s390_gregset = {
856 regcache_supply_regset,
857 regcache_collect_regset
860 const struct regset s390_fpregset = {
862 regcache_supply_regset,
863 regcache_collect_regset
866 static const struct regset s390_upper_regset = {
868 regcache_supply_regset,
869 regcache_collect_regset
872 const struct regset s390_last_break_regset = {
873 s390_regmap_last_break,
874 regcache_supply_regset,
875 regcache_collect_regset
878 const struct regset s390x_last_break_regset = {
879 s390x_regmap_last_break,
880 regcache_supply_regset,
881 regcache_collect_regset
884 const struct regset s390_system_call_regset = {
885 s390_regmap_system_call,
886 regcache_supply_regset,
887 regcache_collect_regset
890 const struct regset s390_tdb_regset = {
892 s390_supply_tdb_regset,
893 regcache_collect_regset
896 const struct regset s390_vxrs_low_regset = {
897 s390_regmap_vxrs_low,
898 regcache_supply_regset,
899 regcache_collect_regset
902 const struct regset s390_vxrs_high_regset = {
903 s390_regmap_vxrs_high,
904 regcache_supply_regset,
905 regcache_collect_regset
908 /* Iterate over supported core file register note sections. */
911 s390_iterate_over_regset_sections (struct gdbarch *gdbarch,
912 iterate_over_regset_sections_cb *cb,
914 const struct regcache *regcache)
916 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
917 const int gregset_size = (tdep->abi == ABI_LINUX_S390 ?
918 s390_sizeof_gregset : s390x_sizeof_gregset);
920 cb (".reg", gregset_size, &s390_gregset, NULL, cb_data);
921 cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data);
923 if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1)
924 cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset,
925 "s390 GPR upper halves", cb_data);
927 if (tdep->have_linux_v1)
928 cb (".reg-s390-last-break", 8,
929 (gdbarch_ptr_bit (gdbarch) == 32
930 ? &s390_last_break_regset : &s390x_last_break_regset),
931 "s390 last-break address", cb_data);
933 if (tdep->have_linux_v2)
934 cb (".reg-s390-system-call", 4, &s390_system_call_regset,
935 "s390 system-call", cb_data);
937 /* If regcache is set, we are in "write" (gcore) mode. In this
938 case, don't iterate over the TDB unless its registers are
942 || REG_VALID == regcache_register_status (regcache,
943 S390_TDB_DWORD0_REGNUM)))
944 cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset,
945 "s390 TDB", cb_data);
947 if (tdep->v0_full_regnum != -1)
949 cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset,
950 "s390 vector registers 0-15 lower half", cb_data);
951 cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset,
952 "s390 vector registers 16-31", cb_data);
956 static const struct target_desc *
957 s390_core_read_description (struct gdbarch *gdbarch,
958 struct target_ops *target, bfd *abfd)
960 asection *section = bfd_get_section_by_name (abfd, ".reg");
962 int high_gprs, v1, v2, te, vx;
964 target_auxv_search (target, AT_HWCAP, &hwcap);
968 high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs")
970 v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL);
971 v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL);
972 vx = (hwcap & HWCAP_S390_VX);
973 te = (hwcap & HWCAP_S390_TE);
975 switch (bfd_section_size (abfd, section))
977 case s390_sizeof_gregset:
979 return (te && vx ? tdesc_s390_tevx_linux64 :
980 vx ? tdesc_s390_vx_linux64 :
981 te ? tdesc_s390_te_linux64 :
982 v2 ? tdesc_s390_linux64v2 :
983 v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64);
985 return (v2 ? tdesc_s390_linux32v2 :
986 v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32);
988 case s390x_sizeof_gregset:
989 return (te && vx ? tdesc_s390x_tevx_linux64 :
990 vx ? tdesc_s390x_vx_linux64 :
991 te ? tdesc_s390x_te_linux64 :
992 v2 ? tdesc_s390x_linux64v2 :
993 v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64);
1001 /* Decoding S/390 instructions. */
1003 /* Named opcode values for the S/390 instructions we recognize. Some
1004 instructions have their opcode split across two fields; those are the
1005 op1_* and op2_* enums. */
1008 op1_lhi = 0xa7, op2_lhi = 0x08,
1009 op1_lghi = 0xa7, op2_lghi = 0x09,
1010 op1_lgfi = 0xc0, op2_lgfi = 0x01,
1014 op1_ly = 0xe3, op2_ly = 0x58,
1015 op1_lg = 0xe3, op2_lg = 0x04,
1017 op1_lmy = 0xeb, op2_lmy = 0x98,
1018 op1_lmg = 0xeb, op2_lmg = 0x04,
1020 op1_sty = 0xe3, op2_sty = 0x50,
1021 op1_stg = 0xe3, op2_stg = 0x24,
1024 op1_stmy = 0xeb, op2_stmy = 0x90,
1025 op1_stmg = 0xeb, op2_stmg = 0x24,
1026 op1_aghi = 0xa7, op2_aghi = 0x0b,
1027 op1_ahi = 0xa7, op2_ahi = 0x0a,
1028 op1_agfi = 0xc2, op2_agfi = 0x08,
1029 op1_afi = 0xc2, op2_afi = 0x09,
1030 op1_algfi= 0xc2, op2_algfi= 0x0a,
1031 op1_alfi = 0xc2, op2_alfi = 0x0b,
1035 op1_ay = 0xe3, op2_ay = 0x5a,
1036 op1_ag = 0xe3, op2_ag = 0x08,
1037 op1_slgfi= 0xc2, op2_slgfi= 0x04,
1038 op1_slfi = 0xc2, op2_slfi = 0x05,
1042 op1_sy = 0xe3, op2_sy = 0x5b,
1043 op1_sg = 0xe3, op2_sg = 0x09,
1047 op1_lay = 0xe3, op2_lay = 0x71,
1048 op1_larl = 0xc0, op2_larl = 0x00,
1056 op1_bctg = 0xe3, op2_bctg = 0x46,
1058 op1_bxhg = 0xeb, op2_bxhg = 0x44,
1060 op1_bxleg= 0xeb, op2_bxleg= 0x45,
1061 op1_bras = 0xa7, op2_bras = 0x05,
1062 op1_brasl= 0xc0, op2_brasl= 0x05,
1063 op1_brc = 0xa7, op2_brc = 0x04,
1064 op1_brcl = 0xc0, op2_brcl = 0x04,
1065 op1_brct = 0xa7, op2_brct = 0x06,
1066 op1_brctg= 0xa7, op2_brctg= 0x07,
1068 op1_brxhg= 0xec, op2_brxhg= 0x44,
1070 op1_brxlg= 0xec, op2_brxlg= 0x45,
1075 /* Read a single instruction from address AT. */
1077 #define S390_MAX_INSTR_SIZE 6
1079 s390_readinstruction (bfd_byte instr[], CORE_ADDR at)
1081 static int s390_instrlen[] = { 2, 4, 4, 6 };
1084 if (target_read_memory (at, &instr[0], 2))
1086 instrlen = s390_instrlen[instr[0] >> 6];
1089 if (target_read_memory (at + 2, &instr[2], instrlen - 2))
1096 /* The functions below are for recognizing and decoding S/390
1097 instructions of various formats. Each of them checks whether INSN
1098 is an instruction of the given format, with the specified opcodes.
1099 If it is, it sets the remaining arguments to the values of the
1100 instruction's fields, and returns a non-zero value; otherwise, it
1103 These functions' arguments appear in the order they appear in the
1104 instruction, not in the machine-language form. So, opcodes always
1105 come first, even though they're sometimes scattered around the
1106 instructions. And displacements appear before base and extension
1107 registers, as they do in the assembly syntax, not at the end, as
1108 they do in the machine language. */
1110 is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2)
1112 if (insn[0] == op1 && (insn[1] & 0xf) == op2)
1114 *r1 = (insn[1] >> 4) & 0xf;
1115 /* i2 is a 16-bit signed quantity. */
1116 *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000;
1125 is_ril (bfd_byte *insn, int op1, int op2,
1126 unsigned int *r1, int *i2)
1128 if (insn[0] == op1 && (insn[1] & 0xf) == op2)
1130 *r1 = (insn[1] >> 4) & 0xf;
1131 /* i2 is a signed quantity. If the host 'int' is 32 bits long,
1132 no sign extension is necessary, but we don't want to assume
1134 *i2 = (((insn[2] << 24)
1137 | (insn[5])) ^ 0x80000000) - 0x80000000;
1146 is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
1150 *r1 = (insn[1] >> 4) & 0xf;
1151 *r2 = insn[1] & 0xf;
1160 is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
1162 if (((insn[0] << 8) | insn[1]) == op)
1164 /* Yes, insn[3]. insn[2] is unused in RRE format. */
1165 *r1 = (insn[3] >> 4) & 0xf;
1166 *r2 = insn[3] & 0xf;
1175 is_rs (bfd_byte *insn, int op,
1176 unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
1180 *r1 = (insn[1] >> 4) & 0xf;
1181 *r3 = insn[1] & 0xf;
1182 *b2 = (insn[2] >> 4) & 0xf;
1183 *d2 = ((insn[2] & 0xf) << 8) | insn[3];
1192 is_rsy (bfd_byte *insn, int op1, int op2,
1193 unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
1198 *r1 = (insn[1] >> 4) & 0xf;
1199 *r3 = insn[1] & 0xf;
1200 *b2 = (insn[2] >> 4) & 0xf;
1201 /* The 'long displacement' is a 20-bit signed integer. */
1202 *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
1203 ^ 0x80000) - 0x80000;
1212 is_rx (bfd_byte *insn, int op,
1213 unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
1217 *r1 = (insn[1] >> 4) & 0xf;
1218 *x2 = insn[1] & 0xf;
1219 *b2 = (insn[2] >> 4) & 0xf;
1220 *d2 = ((insn[2] & 0xf) << 8) | insn[3];
1229 is_rxy (bfd_byte *insn, int op1, int op2,
1230 unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
1235 *r1 = (insn[1] >> 4) & 0xf;
1236 *x2 = insn[1] & 0xf;
1237 *b2 = (insn[2] >> 4) & 0xf;
1238 /* The 'long displacement' is a 20-bit signed integer. */
1239 *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
1240 ^ 0x80000) - 0x80000;
1248 /* Prologue analysis. */
1250 #define S390_NUM_GPRS 16
1251 #define S390_NUM_FPRS 16
1253 struct s390_prologue_data {
1256 struct pv_area *stack;
1258 /* The size and byte-order of a GPR or FPR. */
1261 enum bfd_endian byte_order;
1263 /* The general-purpose registers. */
1264 pv_t gpr[S390_NUM_GPRS];
1266 /* The floating-point registers. */
1267 pv_t fpr[S390_NUM_FPRS];
1269 /* The offset relative to the CFA where the incoming GPR N was saved
1270 by the function prologue. 0 if not saved or unknown. */
1271 int gpr_slot[S390_NUM_GPRS];
1273 /* Likewise for FPRs. */
1274 int fpr_slot[S390_NUM_FPRS];
1276 /* Nonzero if the backchain was saved. This is assumed to be the
1277 case when the incoming SP is saved at the current SP location. */
1278 int back_chain_saved_p;
1281 /* Return the effective address for an X-style instruction, like:
1285 Here, X2 and B2 are registers, and D2 is a signed 20-bit
1286 constant; the effective address is the sum of all three. If either
1287 X2 or B2 are zero, then it doesn't contribute to the sum --- this
1288 means that r0 can't be used as either X2 or B2. */
1290 s390_addr (struct s390_prologue_data *data,
1291 int d2, unsigned int x2, unsigned int b2)
1295 result = pv_constant (d2);
1297 result = pv_add (result, data->gpr[x2]);
1299 result = pv_add (result, data->gpr[b2]);
1304 /* Do a SIZE-byte store of VALUE to D2(X2,B2). */
1306 s390_store (struct s390_prologue_data *data,
1307 int d2, unsigned int x2, unsigned int b2, CORE_ADDR size,
1310 pv_t addr = s390_addr (data, d2, x2, b2);
1313 /* Check whether we are storing the backchain. */
1314 offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr);
1316 if (pv_is_constant (offset) && offset.k == 0)
1317 if (size == data->gpr_size
1318 && pv_is_register_k (value, S390_SP_REGNUM, 0))
1320 data->back_chain_saved_p = 1;
1325 /* Check whether we are storing a register into the stack. */
1326 if (!pv_area_store_would_trash (data->stack, addr))
1327 pv_area_store (data->stack, addr, size, value);
1330 /* Note: If this is some store we cannot identify, you might think we
1331 should forget our cached values, as any of those might have been hit.
1333 However, we make the assumption that the register save areas are only
1334 ever stored to once in any given function, and we do recognize these
1335 stores. Thus every store we cannot recognize does not hit our data. */
1338 /* Do a SIZE-byte load from D2(X2,B2). */
1340 s390_load (struct s390_prologue_data *data,
1341 int d2, unsigned int x2, unsigned int b2, CORE_ADDR size)
1344 pv_t addr = s390_addr (data, d2, x2, b2);
1346 /* If it's a load from an in-line constant pool, then we can
1347 simulate that, under the assumption that the code isn't
1348 going to change between the time the processor actually
1349 executed it creating the current frame, and the time when
1350 we're analyzing the code to unwind past that frame. */
1351 if (pv_is_constant (addr))
1353 struct target_section *secp;
1354 secp = target_section_by_addr (¤t_target, addr.k);
1356 && (bfd_get_section_flags (secp->the_bfd_section->owner,
1357 secp->the_bfd_section)
1359 return pv_constant (read_memory_integer (addr.k, size,
1363 /* Check whether we are accessing one of our save slots. */
1364 return pv_area_fetch (data->stack, addr, size);
1367 /* Function for finding saved registers in a 'struct pv_area'; we pass
1368 this to pv_area_scan.
1370 If VALUE is a saved register, ADDR says it was saved at a constant
1371 offset from the frame base, and SIZE indicates that the whole
1372 register was saved, record its offset in the reg_offset table in
1373 PROLOGUE_UNTYPED. */
1375 s390_check_for_saved (void *data_untyped, pv_t addr,
1376 CORE_ADDR size, pv_t value)
1378 struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped;
1381 if (!pv_is_register (addr, S390_SP_REGNUM))
1384 offset = 16 * data->gpr_size + 32 - addr.k;
1386 /* If we are storing the original value of a register, we want to
1387 record the CFA offset. If the same register is stored multiple
1388 times, the stack slot with the highest address counts. */
1390 for (i = 0; i < S390_NUM_GPRS; i++)
1391 if (size == data->gpr_size
1392 && pv_is_register_k (value, S390_R0_REGNUM + i, 0))
1393 if (data->gpr_slot[i] == 0
1394 || data->gpr_slot[i] > offset)
1396 data->gpr_slot[i] = offset;
1400 for (i = 0; i < S390_NUM_FPRS; i++)
1401 if (size == data->fpr_size
1402 && pv_is_register_k (value, S390_F0_REGNUM + i, 0))
1403 if (data->fpr_slot[i] == 0
1404 || data->fpr_slot[i] > offset)
1406 data->fpr_slot[i] = offset;
1411 /* Analyze the prologue of the function starting at START_PC,
1412 continuing at most until CURRENT_PC. Initialize DATA to
1413 hold all information we find out about the state of the registers
1414 and stack slots. Return the address of the instruction after
1415 the last one that changed the SP, FP, or back chain; or zero
1418 s390_analyze_prologue (struct gdbarch *gdbarch,
1420 CORE_ADDR current_pc,
1421 struct s390_prologue_data *data)
1423 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
1425 /* Our return value:
1426 The address of the instruction after the last one that changed
1427 the SP, FP, or back chain; zero if we got an error trying to
1429 CORE_ADDR result = start_pc;
1431 /* The current PC for our abstract interpretation. */
1434 /* The address of the next instruction after that. */
1437 /* Set up everything's initial value. */
1441 data->stack = make_pv_area (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch));
1443 /* For the purpose of prologue tracking, we consider the GPR size to
1444 be equal to the ABI word size, even if it is actually larger
1445 (i.e. when running a 32-bit binary under a 64-bit kernel). */
1446 data->gpr_size = word_size;
1448 data->byte_order = gdbarch_byte_order (gdbarch);
1450 for (i = 0; i < S390_NUM_GPRS; i++)
1451 data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0);
1453 for (i = 0; i < S390_NUM_FPRS; i++)
1454 data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0);
1456 for (i = 0; i < S390_NUM_GPRS; i++)
1457 data->gpr_slot[i] = 0;
1459 for (i = 0; i < S390_NUM_FPRS; i++)
1460 data->fpr_slot[i] = 0;
1462 data->back_chain_saved_p = 0;
1465 /* Start interpreting instructions, until we hit the frame's
1466 current PC or the first branch instruction. */
1467 for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc)
1469 bfd_byte insn[S390_MAX_INSTR_SIZE];
1470 int insn_len = s390_readinstruction (insn, pc);
1472 bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 };
1473 bfd_byte *insn32 = word_size == 4 ? insn : dummy;
1474 bfd_byte *insn64 = word_size == 8 ? insn : dummy;
1476 /* Fields for various kinds of instructions. */
1477 unsigned int b2, r1, r2, x2, r3;
1480 /* The values of SP and FP before this instruction,
1481 for detecting instructions that change them. */
1482 pv_t pre_insn_sp, pre_insn_fp;
1483 /* Likewise for the flag whether the back chain was saved. */
1484 int pre_insn_back_chain_saved_p;
1486 /* If we got an error trying to read the instruction, report it. */
1493 next_pc = pc + insn_len;
1495 pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
1496 pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
1497 pre_insn_back_chain_saved_p = data->back_chain_saved_p;
1500 /* LHI r1, i2 --- load halfword immediate. */
1501 /* LGHI r1, i2 --- load halfword immediate (64-bit version). */
1502 /* LGFI r1, i2 --- load fullword immediate. */
1503 if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2)
1504 || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2)
1505 || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2))
1506 data->gpr[r1] = pv_constant (i2);
1508 /* LR r1, r2 --- load from register. */
1509 /* LGR r1, r2 --- load from register (64-bit version). */
1510 else if (is_rr (insn32, op_lr, &r1, &r2)
1511 || is_rre (insn64, op_lgr, &r1, &r2))
1512 data->gpr[r1] = data->gpr[r2];
1514 /* L r1, d2(x2, b2) --- load. */
1515 /* LY r1, d2(x2, b2) --- load (long-displacement version). */
1516 /* LG r1, d2(x2, b2) --- load (64-bit version). */
1517 else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2)
1518 || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2)
1519 || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2))
1520 data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size);
1522 /* ST r1, d2(x2, b2) --- store. */
1523 /* STY r1, d2(x2, b2) --- store (long-displacement version). */
1524 /* STG r1, d2(x2, b2) --- store (64-bit version). */
1525 else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2)
1526 || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2)
1527 || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2))
1528 s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]);
1530 /* STD r1, d2(x2,b2) --- store floating-point register. */
1531 else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2))
1532 s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]);
1534 /* STM r1, r3, d2(b2) --- store multiple. */
1535 /* STMY r1, r3, d2(b2) --- store multiple (long-displacement
1537 /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */
1538 else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2)
1539 || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2)
1540 || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2))
1542 for (; r1 <= r3; r1++, d2 += data->gpr_size)
1543 s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]);
1546 /* AHI r1, i2 --- add halfword immediate. */
1547 /* AGHI r1, i2 --- add halfword immediate (64-bit version). */
1548 /* AFI r1, i2 --- add fullword immediate. */
1549 /* AGFI r1, i2 --- add fullword immediate (64-bit version). */
1550 else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2)
1551 || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2)
1552 || is_ril (insn32, op1_afi, op2_afi, &r1, &i2)
1553 || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2))
1554 data->gpr[r1] = pv_add_constant (data->gpr[r1], i2);
1556 /* ALFI r1, i2 --- add logical immediate. */
1557 /* ALGFI r1, i2 --- add logical immediate (64-bit version). */
1558 else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2)
1559 || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2))
1560 data->gpr[r1] = pv_add_constant (data->gpr[r1],
1561 (CORE_ADDR)i2 & 0xffffffff);
1563 /* AR r1, r2 -- add register. */
1564 /* AGR r1, r2 -- add register (64-bit version). */
1565 else if (is_rr (insn32, op_ar, &r1, &r2)
1566 || is_rre (insn64, op_agr, &r1, &r2))
1567 data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]);
1569 /* A r1, d2(x2, b2) -- add. */
1570 /* AY r1, d2(x2, b2) -- add (long-displacement version). */
1571 /* AG r1, d2(x2, b2) -- add (64-bit version). */
1572 else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2)
1573 || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2)
1574 || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2))
1575 data->gpr[r1] = pv_add (data->gpr[r1],
1576 s390_load (data, d2, x2, b2, data->gpr_size));
1578 /* SLFI r1, i2 --- subtract logical immediate. */
1579 /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */
1580 else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2)
1581 || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2))
1582 data->gpr[r1] = pv_add_constant (data->gpr[r1],
1583 -((CORE_ADDR)i2 & 0xffffffff));
1585 /* SR r1, r2 -- subtract register. */
1586 /* SGR r1, r2 -- subtract register (64-bit version). */
1587 else if (is_rr (insn32, op_sr, &r1, &r2)
1588 || is_rre (insn64, op_sgr, &r1, &r2))
1589 data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]);
1591 /* S r1, d2(x2, b2) -- subtract. */
1592 /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */
1593 /* SG r1, d2(x2, b2) -- subtract (64-bit version). */
1594 else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2)
1595 || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2)
1596 || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2))
1597 data->gpr[r1] = pv_subtract (data->gpr[r1],
1598 s390_load (data, d2, x2, b2, data->gpr_size));
1600 /* LA r1, d2(x2, b2) --- load address. */
1601 /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */
1602 else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2)
1603 || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2))
1604 data->gpr[r1] = s390_addr (data, d2, x2, b2);
1606 /* LARL r1, i2 --- load address relative long. */
1607 else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
1608 data->gpr[r1] = pv_constant (pc + i2 * 2);
1610 /* BASR r1, 0 --- branch and save.
1611 Since r2 is zero, this saves the PC in r1, but doesn't branch. */
1612 else if (is_rr (insn, op_basr, &r1, &r2)
1614 data->gpr[r1] = pv_constant (next_pc);
1616 /* BRAS r1, i2 --- branch relative and save. */
1617 else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2))
1619 data->gpr[r1] = pv_constant (next_pc);
1620 next_pc = pc + i2 * 2;
1622 /* We'd better not interpret any backward branches. We'll
1628 /* BRC/BRCL -- branch relative on condition. Ignore "branch
1629 never", branch to following instruction, and "conditional
1630 trap" (BRC +2). Otherwise terminate search. */
1631 else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2))
1633 if (r1 != 0 && i2 != 1 && i2 != 2)
1636 else if (is_ril (insn, op1_brcl, op2_brcl, &r1, &i2))
1638 if (r1 != 0 && i2 != 3)
1642 /* Terminate search when hitting any other branch instruction. */
1643 else if (is_rr (insn, op_basr, &r1, &r2)
1644 || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)
1645 || is_rr (insn, op_bcr, &r1, &r2)
1646 || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
1647 || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2))
1652 /* An instruction we don't know how to simulate. The only
1653 safe thing to do would be to set every value we're tracking
1654 to 'unknown'. Instead, we'll be optimistic: we assume that
1655 we *can* interpret every instruction that the compiler uses
1656 to manipulate any of the data we're interested in here --
1657 then we can just ignore anything else. */
1660 /* Record the address after the last instruction that changed
1661 the FP, SP, or backlink. Ignore instructions that changed
1662 them back to their original values --- those are probably
1663 restore instructions. (The back chain is never restored,
1666 pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
1667 pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
1669 if ((! pv_is_identical (pre_insn_sp, sp)
1670 && ! pv_is_register_k (sp, S390_SP_REGNUM, 0)
1671 && sp.kind != pvk_unknown)
1672 || (! pv_is_identical (pre_insn_fp, fp)
1673 && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0)
1674 && fp.kind != pvk_unknown)
1675 || pre_insn_back_chain_saved_p != data->back_chain_saved_p)
1680 /* Record where all the registers were saved. */
1681 pv_area_scan (data->stack, s390_check_for_saved, data);
1683 free_pv_area (data->stack);
1689 /* Advance PC across any function entry prologue instructions to reach
1690 some "real" code. */
1692 s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
1694 struct s390_prologue_data data;
1695 CORE_ADDR skip_pc, func_addr;
1697 if (find_pc_partial_function (pc, NULL, &func_addr, NULL))
1699 CORE_ADDR post_prologue_pc
1700 = skip_prologue_using_sal (gdbarch, func_addr);
1701 if (post_prologue_pc != 0)
1702 return std::max (pc, post_prologue_pc);
1705 skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data);
1706 return skip_pc ? skip_pc : pc;
1709 /* Implmement the stack_frame_destroyed_p gdbarch method. */
1711 s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
1713 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
1715 /* In frameless functions, there's not frame to destroy and thus
1716 we don't care about the epilogue.
1718 In functions with frame, the epilogue sequence is a pair of
1719 a LM-type instruction that restores (amongst others) the
1720 return register %r14 and the stack pointer %r15, followed
1721 by a branch 'br %r14' --or equivalent-- that effects the
1724 In that situation, this function needs to return 'true' in
1725 exactly one case: when pc points to that branch instruction.
1727 Thus we try to disassemble the one instructions immediately
1728 preceding pc and check whether it is an LM-type instruction
1729 modifying the stack pointer.
1731 Note that disassembling backwards is not reliable, so there
1732 is a slight chance of false positives here ... */
1735 unsigned int r1, r3, b2;
1739 && !target_read_memory (pc - 4, insn, 4)
1740 && is_rs (insn, op_lm, &r1, &r3, &d2, &b2)
1741 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1745 && !target_read_memory (pc - 6, insn, 6)
1746 && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2)
1747 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1751 && !target_read_memory (pc - 6, insn, 6)
1752 && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2)
1753 && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
1759 /* Displaced stepping. */
1761 /* Return true if INSN is a non-branch RIL-b or RIL-c format
1765 is_non_branch_ril (gdb_byte *insn)
1767 gdb_byte op1 = insn[0];
1771 gdb_byte op2 = insn[1] & 0x0f;
1775 case 0x02: /* llhrl */
1776 case 0x04: /* lghrl */
1777 case 0x05: /* lhrl */
1778 case 0x06: /* llghrl */
1779 case 0x07: /* sthrl */
1780 case 0x08: /* lgrl */
1781 case 0x0b: /* stgrl */
1782 case 0x0c: /* lgfrl */
1783 case 0x0d: /* lrl */
1784 case 0x0e: /* llgfrl */
1785 case 0x0f: /* strl */
1789 else if (op1 == 0xc6)
1791 gdb_byte op2 = insn[1] & 0x0f;
1795 case 0x00: /* exrl */
1796 case 0x02: /* pfdrl */
1797 case 0x04: /* cghrl */
1798 case 0x05: /* chrl */
1799 case 0x06: /* clghrl */
1800 case 0x07: /* clhrl */
1801 case 0x08: /* cgrl */
1802 case 0x0a: /* clgrl */
1803 case 0x0c: /* cgfrl */
1804 case 0x0d: /* crl */
1805 case 0x0e: /* clgfrl */
1806 case 0x0f: /* clrl */
1814 /* Implementation of gdbarch_displaced_step_copy_insn. */
1816 static struct displaced_step_closure *
1817 s390_displaced_step_copy_insn (struct gdbarch *gdbarch,
1818 CORE_ADDR from, CORE_ADDR to,
1819 struct regcache *regs)
1821 size_t len = gdbarch_max_insn_length (gdbarch);
1822 gdb_byte *buf = (gdb_byte *) xmalloc (len);
1823 struct cleanup *old_chain = make_cleanup (xfree, buf);
1825 read_memory (from, buf, len);
1827 /* Adjust the displacement field of PC-relative RIL instructions,
1828 except branches. The latter are handled in the fixup hook. */
1829 if (is_non_branch_ril (buf))
1833 offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG);
1834 offset = (from - to + offset * 2) / 2;
1836 /* If the instruction is too far from the jump pad, punt. This
1837 will usually happen with instructions in shared libraries.
1838 We could probably support these by rewriting them to be
1839 absolute or fully emulating them. */
1840 if (offset < INT32_MIN || offset > INT32_MAX)
1842 /* Let the core fall back to stepping over the breakpoint
1844 if (debug_displaced)
1846 fprintf_unfiltered (gdb_stdlog,
1847 "displaced: can't displaced step "
1848 "RIL instruction: offset %s out of range\n",
1851 do_cleanups (old_chain);
1855 store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset);
1858 write_memory (to, buf, len);
1860 if (debug_displaced)
1862 fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ",
1863 paddress (gdbarch, from), paddress (gdbarch, to));
1864 displaced_step_dump_bytes (gdb_stdlog, buf, len);
1867 discard_cleanups (old_chain);
1868 return (struct displaced_step_closure *) buf;
1871 /* Fix up the state of registers and memory after having single-stepped
1872 a displaced instruction. */
1874 s390_displaced_step_fixup (struct gdbarch *gdbarch,
1875 struct displaced_step_closure *closure,
1876 CORE_ADDR from, CORE_ADDR to,
1877 struct regcache *regs)
1879 /* Our closure is a copy of the instruction. */
1880 gdb_byte *insn = (gdb_byte *) closure;
1881 static int s390_instrlen[] = { 2, 4, 4, 6 };
1882 int insnlen = s390_instrlen[insn[0] >> 6];
1884 /* Fields for various kinds of instructions. */
1885 unsigned int b2, r1, r2, x2, r3;
1888 /* Get current PC and addressing mode bit. */
1889 CORE_ADDR pc = regcache_read_pc (regs);
1892 if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
1894 regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode);
1895 amode &= 0x80000000;
1898 if (debug_displaced)
1899 fprintf_unfiltered (gdb_stdlog,
1900 "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n",
1901 paddress (gdbarch, from), paddress (gdbarch, to),
1902 paddress (gdbarch, pc), insnlen, (int) amode);
1904 /* Handle absolute branch and save instructions. */
1905 if (is_rr (insn, op_basr, &r1, &r2)
1906 || is_rx (insn, op_bas, &r1, &d2, &x2, &b2))
1908 /* Recompute saved return address in R1. */
1909 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1910 amode | (from + insnlen));
1913 /* Handle absolute branch instructions. */
1914 else if (is_rr (insn, op_bcr, &r1, &r2)
1915 || is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
1916 || is_rr (insn, op_bctr, &r1, &r2)
1917 || is_rre (insn, op_bctgr, &r1, &r2)
1918 || is_rx (insn, op_bct, &r1, &d2, &x2, &b2)
1919 || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2)
1920 || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2)
1921 || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2)
1922 || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2)
1923 || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2))
1925 /* Update PC iff branch was *not* taken. */
1926 if (pc == to + insnlen)
1927 regcache_write_pc (regs, from + insnlen);
1930 /* Handle PC-relative branch and save instructions. */
1931 else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)
1932 || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2))
1935 regcache_write_pc (regs, pc - to + from);
1936 /* Recompute saved return address in R1. */
1937 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1938 amode | (from + insnlen));
1941 /* Handle LOAD ADDRESS RELATIVE LONG. */
1942 else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
1945 regcache_write_pc (regs, from + insnlen);
1946 /* Recompute output address in R1. */
1947 regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
1948 amode | (from + i2 * 2));
1951 /* If we executed a breakpoint instruction, point PC right back at it. */
1952 else if (insn[0] == 0x0 && insn[1] == 0x1)
1953 regcache_write_pc (regs, from);
1955 /* For any other insn, adjust PC by negated displacement. PC then
1956 points right after the original instruction, except for PC-relative
1957 branches, where it points to the adjusted branch target. */
1959 regcache_write_pc (regs, pc - to + from);
1961 if (debug_displaced)
1962 fprintf_unfiltered (gdb_stdlog,
1963 "displaced: (s390) pc is now %s\n",
1964 paddress (gdbarch, regcache_read_pc (regs)));
1968 /* Helper routine to unwind pseudo registers. */
1970 static struct value *
1971 s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum)
1973 struct gdbarch *gdbarch = get_frame_arch (this_frame);
1974 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1975 struct type *type = register_type (gdbarch, regnum);
1977 /* Unwind PC via PSW address. */
1978 if (regnum == tdep->pc_regnum)
1982 val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM);
1983 if (!value_optimized_out (val))
1985 LONGEST pswa = value_as_long (val);
1987 if (TYPE_LENGTH (type) == 4)
1988 return value_from_pointer (type, pswa & 0x7fffffff);
1990 return value_from_pointer (type, pswa);
1994 /* Unwind CC via PSW mask. */
1995 if (regnum == tdep->cc_regnum)
1999 val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM);
2000 if (!value_optimized_out (val))
2002 LONGEST pswm = value_as_long (val);
2004 if (TYPE_LENGTH (type) == 4)
2005 return value_from_longest (type, (pswm >> 12) & 3);
2007 return value_from_longest (type, (pswm >> 44) & 3);
2011 /* Unwind full GPRs to show at least the lower halves (as the
2012 upper halves are undefined). */
2013 if (regnum_is_gpr_full (tdep, regnum))
2015 int reg = regnum - tdep->gpr_full_regnum;
2018 val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg);
2019 if (!value_optimized_out (val))
2020 return value_cast (type, val);
2023 return allocate_optimized_out_value (type);
2026 static struct value *
2027 s390_trad_frame_prev_register (struct frame_info *this_frame,
2028 struct trad_frame_saved_reg saved_regs[],
2031 if (regnum < S390_NUM_REGS)
2032 return trad_frame_get_prev_register (this_frame, saved_regs, regnum);
2034 return s390_unwind_pseudo_register (this_frame, regnum);
2038 /* Normal stack frames. */
2040 struct s390_unwind_cache {
2043 CORE_ADDR frame_base;
2044 CORE_ADDR local_base;
2046 struct trad_frame_saved_reg *saved_regs;
2050 s390_prologue_frame_unwind_cache (struct frame_info *this_frame,
2051 struct s390_unwind_cache *info)
2053 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2054 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2055 struct s390_prologue_data data;
2056 pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
2057 pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
2066 struct frame_info *next_frame;
2068 /* Try to find the function start address. If we can't find it, we don't
2069 bother searching for it -- with modern compilers this would be mostly
2070 pointless anyway. Trust that we'll either have valid DWARF-2 CFI data
2071 or else a valid backchain ... */
2072 if (!get_frame_func_if_available (this_frame, &info->func))
2079 /* Try to analyze the prologue. */
2080 result = s390_analyze_prologue (gdbarch, func,
2081 get_frame_pc (this_frame), &data);
2085 /* If this was successful, we should have found the instruction that
2086 sets the stack pointer register to the previous value of the stack
2087 pointer minus the frame size. */
2088 if (!pv_is_register (*sp, S390_SP_REGNUM))
2091 /* A frame size of zero at this point can mean either a real
2092 frameless function, or else a failure to find the prologue.
2093 Perform some sanity checks to verify we really have a
2094 frameless function. */
2097 /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame
2098 size zero. This is only possible if the next frame is a sentinel
2099 frame, a dummy frame, or a signal trampoline frame. */
2100 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be
2101 needed, instead the code should simpliy rely on its
2103 next_frame = get_next_frame (this_frame);
2104 while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
2105 next_frame = get_next_frame (next_frame);
2107 && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME)
2110 /* If we really have a frameless function, %r14 must be valid
2111 -- in particular, it must point to a different function. */
2112 reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM);
2113 reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1;
2114 if (get_pc_function_start (reg) == func)
2116 /* However, there is one case where it *is* valid for %r14
2117 to point to the same function -- if this is a recursive
2118 call, and we have stopped in the prologue *before* the
2119 stack frame was allocated.
2121 Recognize this case by looking ahead a bit ... */
2123 struct s390_prologue_data data2;
2124 pv_t *sp = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
2126 if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2)
2127 && pv_is_register (*sp, S390_SP_REGNUM)
2134 /* OK, we've found valid prologue data. */
2137 /* If the frame pointer originally also holds the same value
2138 as the stack pointer, we're probably using it. If it holds
2139 some other value -- even a constant offset -- it is most
2140 likely used as temp register. */
2141 if (pv_is_identical (*sp, *fp))
2142 frame_pointer = S390_FRAME_REGNUM;
2144 frame_pointer = S390_SP_REGNUM;
2146 /* If we've detected a function with stack frame, we'll still have to
2147 treat it as frameless if we're currently within the function epilog
2148 code at a point where the frame pointer has already been restored.
2149 This can only happen in an innermost frame. */
2150 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed,
2151 instead the code should simpliy rely on its analysis. */
2152 next_frame = get_next_frame (this_frame);
2153 while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
2154 next_frame = get_next_frame (next_frame);
2156 && (next_frame == NULL
2157 || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME))
2159 /* See the comment in s390_stack_frame_destroyed_p on why this is
2160 not completely reliable ... */
2161 if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame)))
2163 memset (&data, 0, sizeof (data));
2165 frame_pointer = S390_SP_REGNUM;
2169 /* Once we know the frame register and the frame size, we can unwind
2170 the current value of the frame register from the next frame, and
2171 add back the frame size to arrive that the previous frame's
2172 stack pointer value. */
2173 prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size;
2174 cfa = prev_sp + 16*word_size + 32;
2176 /* Set up ABI call-saved/call-clobbered registers. */
2177 for (i = 0; i < S390_NUM_REGS; i++)
2178 if (!s390_register_call_saved (gdbarch, i))
2179 trad_frame_set_unknown (info->saved_regs, i);
2181 /* CC is always call-clobbered. */
2182 trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
2184 /* Record the addresses of all register spill slots the prologue parser
2185 has recognized. Consider only registers defined as call-saved by the
2186 ABI; for call-clobbered registers the parser may have recognized
2189 for (i = 0; i < 16; i++)
2190 if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i)
2191 && data.gpr_slot[i] != 0)
2192 info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i];
2194 for (i = 0; i < 16; i++)
2195 if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i)
2196 && data.fpr_slot[i] != 0)
2197 info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i];
2199 /* Function return will set PC to %r14. */
2200 info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM];
2202 /* In frameless functions, we unwind simply by moving the return
2203 address to the PC. However, if we actually stored to the
2204 save area, use that -- we might only think the function frameless
2205 because we're in the middle of the prologue ... */
2207 && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
2209 info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
2212 /* Another sanity check: unless this is a frameless function,
2213 we should have found spill slots for SP and PC.
2214 If not, we cannot unwind further -- this happens e.g. in
2215 libc's thread_start routine. */
2218 if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM)
2219 || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM))
2223 /* We use the current value of the frame register as local_base,
2224 and the top of the register save area as frame_base. */
2227 info->frame_base = prev_sp + 16*word_size + 32;
2228 info->local_base = prev_sp - size;
2235 s390_backchain_frame_unwind_cache (struct frame_info *this_frame,
2236 struct s390_unwind_cache *info)
2238 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2239 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2240 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2241 CORE_ADDR backchain;
2246 /* Set up ABI call-saved/call-clobbered registers. */
2247 for (i = 0; i < S390_NUM_REGS; i++)
2248 if (!s390_register_call_saved (gdbarch, i))
2249 trad_frame_set_unknown (info->saved_regs, i);
2251 /* CC is always call-clobbered. */
2252 trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM);
2254 /* Get the backchain. */
2255 reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2256 if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp))
2258 backchain = (CORE_ADDR) tmp;
2260 /* A zero backchain terminates the frame chain. As additional
2261 sanity check, let's verify that the spill slot for SP in the
2262 save area pointed to by the backchain in fact links back to
2265 && safe_read_memory_integer (backchain + 15*word_size,
2266 word_size, byte_order, &sp)
2267 && (CORE_ADDR)sp == backchain)
2269 /* We don't know which registers were saved, but it will have
2270 to be at least %r14 and %r15. This will allow us to continue
2271 unwinding, but other prev-frame registers may be incorrect ... */
2272 info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size;
2273 info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size;
2275 /* Function return will set PC to %r14. */
2276 info->saved_regs[S390_PSWA_REGNUM]
2277 = info->saved_regs[S390_RETADDR_REGNUM];
2279 /* We use the current value of the frame register as local_base,
2280 and the top of the register save area as frame_base. */
2281 info->frame_base = backchain + 16*word_size + 32;
2282 info->local_base = reg;
2285 info->func = get_frame_pc (this_frame);
2288 static struct s390_unwind_cache *
2289 s390_frame_unwind_cache (struct frame_info *this_frame,
2290 void **this_prologue_cache)
2292 struct s390_unwind_cache *info;
2294 if (*this_prologue_cache)
2295 return (struct s390_unwind_cache *) *this_prologue_cache;
2297 info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache);
2298 *this_prologue_cache = info;
2299 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2301 info->frame_base = -1;
2302 info->local_base = -1;
2306 /* Try to use prologue analysis to fill the unwind cache.
2307 If this fails, fall back to reading the stack backchain. */
2308 if (!s390_prologue_frame_unwind_cache (this_frame, info))
2309 s390_backchain_frame_unwind_cache (this_frame, info);
2311 CATCH (ex, RETURN_MASK_ERROR)
2313 if (ex.error != NOT_AVAILABLE_ERROR)
2314 throw_exception (ex);
2322 s390_frame_this_id (struct frame_info *this_frame,
2323 void **this_prologue_cache,
2324 struct frame_id *this_id)
2326 struct s390_unwind_cache *info
2327 = s390_frame_unwind_cache (this_frame, this_prologue_cache);
2329 if (info->frame_base == -1)
2331 if (info->func != -1)
2332 *this_id = frame_id_build_unavailable_stack (info->func);
2336 *this_id = frame_id_build (info->frame_base, info->func);
2339 static struct value *
2340 s390_frame_prev_register (struct frame_info *this_frame,
2341 void **this_prologue_cache, int regnum)
2343 struct s390_unwind_cache *info
2344 = s390_frame_unwind_cache (this_frame, this_prologue_cache);
2346 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2349 static const struct frame_unwind s390_frame_unwind = {
2351 default_frame_unwind_stop_reason,
2353 s390_frame_prev_register,
2355 default_frame_sniffer
2359 /* Code stubs and their stack frames. For things like PLTs and NULL
2360 function calls (where there is no true frame and the return address
2361 is in the RETADDR register). */
2363 struct s390_stub_unwind_cache
2365 CORE_ADDR frame_base;
2366 struct trad_frame_saved_reg *saved_regs;
2369 static struct s390_stub_unwind_cache *
2370 s390_stub_frame_unwind_cache (struct frame_info *this_frame,
2371 void **this_prologue_cache)
2373 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2374 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2375 struct s390_stub_unwind_cache *info;
2378 if (*this_prologue_cache)
2379 return (struct s390_stub_unwind_cache *) *this_prologue_cache;
2381 info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache);
2382 *this_prologue_cache = info;
2383 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2385 /* The return address is in register %r14. */
2386 info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM;
2388 /* Retrieve stack pointer and determine our frame base. */
2389 reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2390 info->frame_base = reg + 16*word_size + 32;
2396 s390_stub_frame_this_id (struct frame_info *this_frame,
2397 void **this_prologue_cache,
2398 struct frame_id *this_id)
2400 struct s390_stub_unwind_cache *info
2401 = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
2402 *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
2405 static struct value *
2406 s390_stub_frame_prev_register (struct frame_info *this_frame,
2407 void **this_prologue_cache, int regnum)
2409 struct s390_stub_unwind_cache *info
2410 = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
2411 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2415 s390_stub_frame_sniffer (const struct frame_unwind *self,
2416 struct frame_info *this_frame,
2417 void **this_prologue_cache)
2419 CORE_ADDR addr_in_block;
2420 bfd_byte insn[S390_MAX_INSTR_SIZE];
2422 /* If the current PC points to non-readable memory, we assume we
2423 have trapped due to an invalid function pointer call. We handle
2424 the non-existing current function like a PLT stub. */
2425 addr_in_block = get_frame_address_in_block (this_frame);
2426 if (in_plt_section (addr_in_block)
2427 || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0)
2432 static const struct frame_unwind s390_stub_frame_unwind = {
2434 default_frame_unwind_stop_reason,
2435 s390_stub_frame_this_id,
2436 s390_stub_frame_prev_register,
2438 s390_stub_frame_sniffer
2442 /* Signal trampoline stack frames. */
2444 struct s390_sigtramp_unwind_cache {
2445 CORE_ADDR frame_base;
2446 struct trad_frame_saved_reg *saved_regs;
2449 static struct s390_sigtramp_unwind_cache *
2450 s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame,
2451 void **this_prologue_cache)
2453 struct gdbarch *gdbarch = get_frame_arch (this_frame);
2454 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2455 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
2456 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2457 struct s390_sigtramp_unwind_cache *info;
2458 ULONGEST this_sp, prev_sp;
2459 CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off;
2462 if (*this_prologue_cache)
2463 return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache;
2465 info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache);
2466 *this_prologue_cache = info;
2467 info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
2469 this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
2470 next_ra = get_frame_pc (this_frame);
2471 next_cfa = this_sp + 16*word_size + 32;
2473 /* New-style RT frame:
2474 retcode + alignment (8 bytes)
2476 ucontext (contains sigregs at offset 5 words). */
2477 if (next_ra == next_cfa)
2479 sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8);
2480 /* sigregs are followed by uc_sigmask (8 bytes), then by the
2481 upper GPR halves if present. */
2482 sigreg_high_off = 8;
2485 /* Old-style RT frame and all non-RT frames:
2486 old signal mask (8 bytes)
2487 pointer to sigregs. */
2490 sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8,
2491 word_size, byte_order);
2492 /* sigregs are followed by signo (4 bytes), then by the
2493 upper GPR halves if present. */
2494 sigreg_high_off = 4;
2497 /* The sigregs structure looks like this:
2506 /* PSW mask and address. */
2507 info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr;
2508 sigreg_ptr += word_size;
2509 info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr;
2510 sigreg_ptr += word_size;
2512 /* Then the GPRs. */
2513 for (i = 0; i < 16; i++)
2515 info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr;
2516 sigreg_ptr += word_size;
2519 /* Then the ACRs. */
2520 for (i = 0; i < 16; i++)
2522 info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr;
2526 /* The floating-point control word. */
2527 info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr;
2530 /* And finally the FPRs. */
2531 for (i = 0; i < 16; i++)
2533 info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr;
2537 /* If we have them, the GPR upper halves are appended at the end. */
2538 sigreg_ptr += sigreg_high_off;
2539 if (tdep->gpr_full_regnum != -1)
2540 for (i = 0; i < 16; i++)
2542 info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr;
2546 /* Restore the previous frame's SP. */
2547 prev_sp = read_memory_unsigned_integer (
2548 info->saved_regs[S390_SP_REGNUM].addr,
2549 word_size, byte_order);
2551 /* Determine our frame base. */
2552 info->frame_base = prev_sp + 16*word_size + 32;
2558 s390_sigtramp_frame_this_id (struct frame_info *this_frame,
2559 void **this_prologue_cache,
2560 struct frame_id *this_id)
2562 struct s390_sigtramp_unwind_cache *info
2563 = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
2564 *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
2567 static struct value *
2568 s390_sigtramp_frame_prev_register (struct frame_info *this_frame,
2569 void **this_prologue_cache, int regnum)
2571 struct s390_sigtramp_unwind_cache *info
2572 = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache);
2573 return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
2577 s390_sigtramp_frame_sniffer (const struct frame_unwind *self,
2578 struct frame_info *this_frame,
2579 void **this_prologue_cache)
2581 CORE_ADDR pc = get_frame_pc (this_frame);
2582 bfd_byte sigreturn[2];
2584 if (target_read_memory (pc, sigreturn, 2))
2587 if (sigreturn[0] != op_svc)
2590 if (sigreturn[1] != 119 /* sigreturn */
2591 && sigreturn[1] != 173 /* rt_sigreturn */)
2597 static const struct frame_unwind s390_sigtramp_frame_unwind = {
2599 default_frame_unwind_stop_reason,
2600 s390_sigtramp_frame_this_id,
2601 s390_sigtramp_frame_prev_register,
2603 s390_sigtramp_frame_sniffer
2606 /* Retrieve the syscall number at a ptrace syscall-stop. Return -1
2610 s390_linux_get_syscall_number (struct gdbarch *gdbarch,
2613 struct regcache *regs = get_thread_regcache (ptid);
2614 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2615 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
2617 ULONGEST svc_number = -1;
2620 /* Assume that the PC points after the 2-byte SVC instruction. We
2621 don't currently support SVC via EXECUTE. */
2622 regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc);
2624 opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order);
2625 if (opcode != op_svc)
2628 svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1,
2630 if (svc_number == 0)
2631 regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number);
2636 /* Process record-replay */
2638 static struct linux_record_tdep s390_linux_record_tdep;
2639 static struct linux_record_tdep s390x_linux_record_tdep;
2641 /* Record all registers but PC register for process-record. */
2644 s390_all_but_pc_registers_record (struct regcache *regcache)
2646 struct gdbarch *gdbarch = get_regcache_arch (regcache);
2647 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2650 for (i = 0; i < 16; i++)
2652 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
2654 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
2656 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
2658 if (tdep->gpr_full_regnum != -1)
2659 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
2661 if (tdep->v0_full_regnum != -1)
2663 if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
2665 if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i))
2669 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
2671 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
2677 static enum gdb_syscall
2678 s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi)
2682 /* s390 syscall numbers < 222 are mostly the same as x86, so just list
2685 return gdb_sys_no_syscall;
2687 return gdb_sys_restart_syscall;
2688 /* These syscalls work only on 31-bit. */
2690 case 16: /* lchown[16] */
2691 case 23: /* setuid[16] */
2692 case 24: /* getuid[16] */
2693 case 25: /* stime */
2694 case 46: /* setgid[16] */
2695 case 47: /* getgid[16] */
2696 case 49: /* seteuid[16] */
2697 case 50: /* getegid[16] */
2698 case 70: /* setreuid[16] */
2699 case 71: /* setregid[16] */
2700 case 76: /* [old_]getrlimit */
2701 case 80: /* getgroups[16] */
2702 case 81: /* setgroups[16] */
2703 case 95: /* fchown[16] */
2704 case 101: /* ioperm */
2705 case 138: /* setfsuid[16] */
2706 case 139: /* setfsgid[16] */
2707 case 140: /* _llseek */
2708 case 164: /* setresuid[16] */
2709 case 165: /* getresuid[16] */
2710 case 170: /* setresgid[16] */
2711 case 171: /* getresgid[16] */
2712 case 182: /* chown[16] */
2713 case 192: /* mmap2 */
2714 case 193: /* truncate64 */
2715 case 194: /* ftruncate64 */
2716 case 195: /* stat64 */
2717 case 196: /* lstat64 */
2718 case 197: /* fstat64 */
2719 case 221: /* fcntl64 */
2720 if (abi == ABI_LINUX_S390)
2721 return (enum gdb_syscall) syscall;
2722 return gdb_sys_no_syscall;
2723 /* These syscalls don't exist on s390. */
2724 case 17: /* break */
2725 case 18: /* oldstat */
2726 case 28: /* oldfstat */
2729 case 35: /* ftime */
2733 case 58: /* ulimit */
2734 case 59: /* oldolduname */
2735 case 68: /* sgetmask */
2736 case 69: /* ssetmask */
2737 case 82: /* [old_]select */
2738 case 84: /* oldlstat */
2739 case 98: /* profil */
2740 case 109: /* olduname */
2741 case 113: /* vm86old */
2742 case 123: /* modify_ldt */
2743 case 166: /* vm86 */
2744 return gdb_sys_no_syscall;
2746 return gdb_sys_lookup_dcookie;
2747 /* Here come the differences. */
2749 return gdb_sys_readahead;
2751 if (abi == ABI_LINUX_S390)
2752 return gdb_sys_sendfile64;
2753 return gdb_sys_no_syscall;
2754 /* 224-235 handled below */
2756 return gdb_sys_gettid;
2758 return gdb_sys_tkill;
2760 return gdb_sys_futex;
2762 return gdb_sys_sched_setaffinity;
2764 return gdb_sys_sched_getaffinity;
2766 return gdb_sys_tgkill;
2769 return gdb_sys_io_setup;
2771 return gdb_sys_io_destroy;
2773 return gdb_sys_io_getevents;
2775 return gdb_sys_io_submit;
2777 return gdb_sys_io_cancel;
2779 return gdb_sys_exit_group;
2781 return gdb_sys_epoll_create;
2783 return gdb_sys_epoll_ctl;
2785 return gdb_sys_epoll_wait;
2787 return gdb_sys_set_tid_address;
2789 return gdb_sys_fadvise64;
2790 /* 254-262 handled below */
2793 if (abi == ABI_LINUX_S390)
2794 return gdb_sys_fadvise64_64;
2795 return gdb_sys_no_syscall;
2797 return gdb_sys_statfs64;
2799 return gdb_sys_fstatfs64;
2801 return gdb_sys_remap_file_pages;
2802 /* 268-270 reserved */
2803 /* 271-277 handled below */
2805 return gdb_sys_add_key;
2807 return gdb_sys_request_key;
2809 return gdb_sys_keyctl;
2811 return gdb_sys_waitid;
2812 /* 282-312 handled below */
2814 if (abi == ABI_LINUX_S390)
2815 return gdb_sys_fstatat64;
2816 return gdb_sys_newfstatat;
2817 /* 313+ not yet supported */
2822 /* Most "old" syscalls copied from i386. */
2825 /* xattr syscalls. */
2826 else if (syscall >= 224 && syscall <= 235)
2828 /* timer syscalls. */
2829 else if (syscall >= 254 && syscall <= 262)
2831 /* mq_* and kexec_load */
2832 else if (syscall >= 271 && syscall <= 277)
2834 /* ioprio_set .. epoll_pwait */
2835 else if (syscall >= 282 && syscall <= 312)
2838 ret = gdb_sys_no_syscall;
2840 return (enum gdb_syscall) ret;
2846 s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native)
2848 struct gdbarch *gdbarch = get_regcache_arch (regcache);
2849 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2851 enum gdb_syscall syscall_gdb;
2853 /* On s390, syscall number can be passed either as immediate field of svc
2854 instruction, or in %r1 (with svc 0). */
2855 if (syscall_native == 0)
2856 regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native);
2858 syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi);
2860 if (syscall_gdb < 0)
2862 printf_unfiltered (_("Process record and replay target doesn't "
2863 "support syscall number %s\n"),
2864 plongest (syscall_native));
2868 if (syscall_gdb == gdb_sys_sigreturn
2869 || syscall_gdb == gdb_sys_rt_sigreturn)
2871 if (s390_all_but_pc_registers_record (regcache))
2876 if (tdep->abi == ABI_LINUX_ZSERIES)
2877 ret = record_linux_system_call (syscall_gdb, regcache,
2878 &s390x_linux_record_tdep);
2880 ret = record_linux_system_call (syscall_gdb, regcache,
2881 &s390_linux_record_tdep);
2886 /* Record the return value of the system call. */
2887 if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
2894 s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache,
2895 enum gdb_signal signal)
2897 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2898 /* There are two kinds of signal frames on s390. rt_sigframe is always
2899 the larger one, so don't even bother with sigframe. */
2900 const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ?
2901 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000);
2905 for (i = 0; i < 16; i++)
2907 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
2909 if (tdep->gpr_full_regnum != -1)
2910 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
2913 if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
2915 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
2918 /* Record the change in the stack.
2919 frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */
2920 regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp);
2921 sp -= sizeof_rt_sigframe;
2923 if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe))
2926 if (record_full_arch_list_add_end ())
2932 /* Frame base handling. */
2935 s390_frame_base_address (struct frame_info *this_frame, void **this_cache)
2937 struct s390_unwind_cache *info
2938 = s390_frame_unwind_cache (this_frame, this_cache);
2939 return info->frame_base;
2943 s390_local_base_address (struct frame_info *this_frame, void **this_cache)
2945 struct s390_unwind_cache *info
2946 = s390_frame_unwind_cache (this_frame, this_cache);
2947 return info->local_base;
2950 static const struct frame_base s390_frame_base = {
2952 s390_frame_base_address,
2953 s390_local_base_address,
2954 s390_local_base_address
2958 s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
2960 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2962 pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum);
2963 return gdbarch_addr_bits_remove (gdbarch, pc);
2967 s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
2970 sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM);
2971 return gdbarch_addr_bits_remove (gdbarch, sp);
2975 /* DWARF-2 frame support. */
2977 static struct value *
2978 s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache,
2981 return s390_unwind_pseudo_register (this_frame, regnum);
2985 s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
2986 struct dwarf2_frame_state_reg *reg,
2987 struct frame_info *this_frame)
2989 /* The condition code (and thus PSW mask) is call-clobbered. */
2990 if (regnum == S390_PSWM_REGNUM)
2991 reg->how = DWARF2_FRAME_REG_UNDEFINED;
2993 /* The PSW address unwinds to the return address. */
2994 else if (regnum == S390_PSWA_REGNUM)
2995 reg->how = DWARF2_FRAME_REG_RA;
2997 /* Fixed registers are call-saved or call-clobbered
2998 depending on the ABI in use. */
2999 else if (regnum < S390_NUM_REGS)
3001 if (s390_register_call_saved (gdbarch, regnum))
3002 reg->how = DWARF2_FRAME_REG_SAME_VALUE;
3004 reg->how = DWARF2_FRAME_REG_UNDEFINED;
3007 /* We install a special function to unwind pseudos. */
3010 reg->how = DWARF2_FRAME_REG_FN;
3011 reg->loc.fn = s390_dwarf2_prev_register;
3016 /* Dummy function calls. */
3018 /* Unwrap any single-field structs in TYPE and return the effective
3019 "inner" type. E.g., yield "float" for all these cases:
3023 struct { struct { float x; } x; };
3024 struct { struct { struct { float x; } x; } x; };
3026 However, if an inner type is smaller than MIN_SIZE, abort the
3029 static struct type *
3030 s390_effective_inner_type (struct type *type, unsigned int min_size)
3032 while (TYPE_CODE (type) == TYPE_CODE_STRUCT
3033 && TYPE_NFIELDS (type) == 1)
3035 struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0));
3037 if (TYPE_LENGTH (inner) < min_size)
3045 /* Return non-zero if TYPE should be passed like "float" or
3049 s390_function_arg_float (struct type *type)
3051 /* Note that long double as well as complex types are intentionally
3053 if (TYPE_LENGTH (type) > 8)
3056 /* A struct containing just a float or double is passed like a float
3058 type = s390_effective_inner_type (type, 0);
3060 return (TYPE_CODE (type) == TYPE_CODE_FLT
3061 || TYPE_CODE (type) == TYPE_CODE_DECFLOAT);
3064 /* Return non-zero if TYPE should be passed like a vector. */
3067 s390_function_arg_vector (struct type *type)
3069 if (TYPE_LENGTH (type) > 16)
3072 /* Structs containing just a vector are passed like a vector. */
3073 type = s390_effective_inner_type (type, TYPE_LENGTH (type));
3075 return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type);
3078 /* Determine whether N is a power of two. */
3081 is_power_of_two (unsigned int n)
3083 return n && ((n & (n - 1)) == 0);
3086 /* For an argument whose type is TYPE and which is not passed like a
3087 float or vector, return non-zero if it should be passed like "int"
3091 s390_function_arg_integer (struct type *type)
3093 enum type_code code = TYPE_CODE (type);
3095 if (TYPE_LENGTH (type) > 8)
3098 if (code == TYPE_CODE_INT
3099 || code == TYPE_CODE_ENUM
3100 || code == TYPE_CODE_RANGE
3101 || code == TYPE_CODE_CHAR
3102 || code == TYPE_CODE_BOOL
3103 || code == TYPE_CODE_PTR
3104 || TYPE_IS_REFERENCE (type))
3107 return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT)
3108 && is_power_of_two (TYPE_LENGTH (type)));
3111 /* Argument passing state: Internal data structure passed to helper
3112 routines of s390_push_dummy_call. */
3114 struct s390_arg_state
3116 /* Register cache, or NULL, if we are in "preparation mode". */
3117 struct regcache *regcache;
3118 /* Next available general/floating-point/vector register for
3119 argument passing. */
3121 /* Current pointer to copy area (grows downwards). */
3123 /* Current pointer to parameter area (grows upwards). */
3127 /* Prepare one argument ARG for a dummy call and update the argument
3128 passing state AS accordingly. If the regcache field in AS is set,
3129 operate in "write mode" and write ARG into the inferior. Otherwise
3130 run "preparation mode" and skip all updates to the inferior. */
3133 s390_handle_arg (struct s390_arg_state *as, struct value *arg,
3134 struct gdbarch_tdep *tdep, int word_size,
3135 enum bfd_endian byte_order, int is_unnamed)
3137 struct type *type = check_typedef (value_type (arg));
3138 unsigned int length = TYPE_LENGTH (type);
3139 int write_mode = as->regcache != NULL;
3141 if (s390_function_arg_float (type))
3143 /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass
3144 arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and
3146 if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6))
3148 /* When we store a single-precision value in an FP register,
3149 it occupies the leftmost bits. */
3151 regcache_cooked_write_part (as->regcache,
3152 S390_F0_REGNUM + as->fr,
3154 value_contents (arg));
3159 /* When we store a single-precision value in a stack slot,
3160 it occupies the rightmost bits. */
3161 as->argp = align_up (as->argp + length, word_size);
3163 write_memory (as->argp - length, value_contents (arg),
3167 else if (tdep->vector_abi == S390_VECTOR_ABI_128
3168 && s390_function_arg_vector (type))
3170 static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31};
3172 if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr))
3174 int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24;
3177 regcache_cooked_write_part (as->regcache, regnum,
3179 value_contents (arg));
3185 write_memory (as->argp, value_contents (arg), length);
3186 as->argp = align_up (as->argp + length, word_size);
3189 else if (s390_function_arg_integer (type) && length <= word_size)
3191 /* Initialize it just to avoid a GCC false warning. */
3196 /* Place value in least significant bits of the register or
3197 memory word and sign- or zero-extend to full word size.
3198 This also applies to a struct or union. */
3199 val = TYPE_UNSIGNED (type)
3200 ? extract_unsigned_integer (value_contents (arg),
3202 : extract_signed_integer (value_contents (arg),
3203 length, byte_order);
3209 regcache_cooked_write_unsigned (as->regcache,
3210 S390_R0_REGNUM + as->gr,
3217 write_memory_unsigned_integer (as->argp, word_size,
3219 as->argp += word_size;
3222 else if (s390_function_arg_integer (type) && length == 8)
3228 regcache_cooked_write (as->regcache,
3229 S390_R0_REGNUM + as->gr,
3230 value_contents (arg));
3231 regcache_cooked_write (as->regcache,
3232 S390_R0_REGNUM + as->gr + 1,
3233 value_contents (arg) + word_size);
3239 /* If we skipped r6 because we couldn't fit a DOUBLE_ARG
3240 in it, then don't go back and use it again later. */
3244 write_memory (as->argp, value_contents (arg), length);
3250 /* This argument type is never passed in registers. Place the
3251 value in the copy area and pass a pointer to it. Use 8-byte
3252 alignment as a conservative assumption. */
3253 as->copy = align_down (as->copy - length, 8);
3255 write_memory (as->copy, value_contents (arg), length);
3260 regcache_cooked_write_unsigned (as->regcache,
3261 S390_R0_REGNUM + as->gr,
3268 write_memory_unsigned_integer (as->argp, word_size,
3269 byte_order, as->copy);
3270 as->argp += word_size;
3275 /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in
3276 place to be passed to a function, as specified by the "GNU/Linux
3277 for S/390 ELF Application Binary Interface Supplement".
3279 SP is the current stack pointer. We must put arguments, links,
3280 padding, etc. whereever they belong, and return the new stack
3283 If STRUCT_RETURN is non-zero, then the function we're calling is
3284 going to return a structure by value; STRUCT_ADDR is the address of
3285 a block we've allocated for it on the stack.
3287 Our caller has taken care of any type promotions needed to satisfy
3288 prototypes or the old K&R argument-passing rules. */
3291 s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
3292 struct regcache *regcache, CORE_ADDR bp_addr,
3293 int nargs, struct value **args, CORE_ADDR sp,
3294 int struct_return, CORE_ADDR struct_addr)
3296 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3297 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3298 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3300 struct s390_arg_state arg_state, arg_prep;
3301 CORE_ADDR param_area_start, new_sp;
3302 struct type *ftype = check_typedef (value_type (function));
3304 if (TYPE_CODE (ftype) == TYPE_CODE_PTR)
3305 ftype = check_typedef (TYPE_TARGET_TYPE (ftype));
3308 arg_prep.gr = struct_return ? 3 : 2;
3312 arg_prep.regcache = NULL;
3314 /* Initialize arg_state for "preparation mode". */
3315 arg_state = arg_prep;
3317 /* Update arg_state.copy with the start of the reference-to-copy area
3318 and arg_state.argp with the size of the parameter area. */
3319 for (i = 0; i < nargs; i++)
3320 s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
3321 TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
3323 param_area_start = align_down (arg_state.copy - arg_state.argp, 8);
3325 /* Allocate the standard frame areas: the register save area, the
3326 word reserved for the compiler, and the back chain pointer. */
3327 new_sp = param_area_start - (16 * word_size + 32);
3329 /* Now we have the final stack pointer. Make sure we didn't
3330 underflow; on 31-bit, this would result in addresses with the
3331 high bit set, which causes confusion elsewhere. Note that if we
3332 error out here, stack and registers remain untouched. */
3333 if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp)
3334 error (_("Stack overflow"));
3336 /* Pass the structure return address in general register 2. */
3338 regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr);
3340 /* Initialize arg_state for "write mode". */
3341 arg_state = arg_prep;
3342 arg_state.argp = param_area_start;
3343 arg_state.regcache = regcache;
3345 /* Write all parameters. */
3346 for (i = 0; i < nargs; i++)
3347 s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
3348 TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype));
3350 /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */
3354 regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
3355 bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000);
3357 regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr);
3359 /* Store updated stack pointer. */
3360 regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp);
3362 /* We need to return the 'stack part' of the frame ID,
3363 which is actually the top of the register save area. */
3364 return param_area_start;
3367 /* Assuming THIS_FRAME is a dummy, return the frame ID of that
3368 dummy frame. The frame ID's base needs to match the TOS value
3369 returned by push_dummy_call, and the PC match the dummy frame's
3371 static struct frame_id
3372 s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
3374 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3375 CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
3376 sp = gdbarch_addr_bits_remove (gdbarch, sp);
3378 return frame_id_build (sp + 16*word_size + 32,
3379 get_frame_pc (this_frame));
3383 s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
3385 /* Both the 32- and 64-bit ABI's say that the stack pointer should
3386 always be aligned on an eight-byte boundary. */
3391 /* Helper for s390_return_value: Set or retrieve a function return
3392 value if it resides in a register. */
3395 s390_register_return_value (struct gdbarch *gdbarch, struct type *type,
3396 struct regcache *regcache,
3397 gdb_byte *out, const gdb_byte *in)
3399 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3400 int word_size = gdbarch_ptr_bit (gdbarch) / 8;
3401 int length = TYPE_LENGTH (type);
3402 int code = TYPE_CODE (type);
3404 if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT)
3406 /* Float-like value: left-aligned in f0. */
3408 regcache_cooked_write_part (regcache, S390_F0_REGNUM,
3411 regcache_cooked_read_part (regcache, S390_F0_REGNUM,
3414 else if (code == TYPE_CODE_ARRAY)
3416 /* Vector: left-aligned in v24. */
3418 regcache_cooked_write_part (regcache, S390_V24_REGNUM,
3421 regcache_cooked_read_part (regcache, S390_V24_REGNUM,
3424 else if (length <= word_size)
3426 /* Integer: zero- or sign-extended in r2. */
3428 regcache_cooked_read_part (regcache, S390_R2_REGNUM,
3429 word_size - length, length, out);
3430 else if (TYPE_UNSIGNED (type))
3431 regcache_cooked_write_unsigned
3432 (regcache, S390_R2_REGNUM,
3433 extract_unsigned_integer (in, length, byte_order));
3435 regcache_cooked_write_signed
3436 (regcache, S390_R2_REGNUM,
3437 extract_signed_integer (in, length, byte_order));
3439 else if (length == 2 * word_size)
3441 /* Double word: in r2 and r3. */
3444 regcache_cooked_write (regcache, S390_R2_REGNUM, in);
3445 regcache_cooked_write (regcache, S390_R3_REGNUM,
3450 regcache_cooked_read (regcache, S390_R2_REGNUM, out);
3451 regcache_cooked_read (regcache, S390_R3_REGNUM,
3456 internal_error (__FILE__, __LINE__, _("invalid return type"));
3460 /* Implement the 'return_value' gdbarch method. */
3462 static enum return_value_convention
3463 s390_return_value (struct gdbarch *gdbarch, struct value *function,
3464 struct type *type, struct regcache *regcache,
3465 gdb_byte *out, const gdb_byte *in)
3467 enum return_value_convention rvc;
3469 type = check_typedef (type);
3471 switch (TYPE_CODE (type))
3473 case TYPE_CODE_STRUCT:
3474 case TYPE_CODE_UNION:
3475 case TYPE_CODE_COMPLEX:
3476 rvc = RETURN_VALUE_STRUCT_CONVENTION;
3478 case TYPE_CODE_ARRAY:
3479 rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128
3480 && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type))
3481 ? RETURN_VALUE_REGISTER_CONVENTION
3482 : RETURN_VALUE_STRUCT_CONVENTION;
3485 rvc = TYPE_LENGTH (type) <= 8
3486 ? RETURN_VALUE_REGISTER_CONVENTION
3487 : RETURN_VALUE_STRUCT_CONVENTION;
3490 if (in != NULL || out != NULL)
3492 if (rvc == RETURN_VALUE_REGISTER_CONVENTION)
3493 s390_register_return_value (gdbarch, type, regcache, out, in);
3494 else if (in != NULL)
3495 error (_("Cannot set function return value."));
3497 error (_("Function return value unknown."));
3505 constexpr gdb_byte s390_break_insn[] = { 0x0, 0x1 };
3507 typedef BP_MANIPULATION (s390_break_insn) s390_breakpoint;
3509 /* Address handling. */
3512 s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr)
3514 return addr & 0x7fffffff;
3518 s390_address_class_type_flags (int byte_size, int dwarf2_addr_class)
3521 return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
3527 s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags)
3529 if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
3536 s390_address_class_name_to_type_flags (struct gdbarch *gdbarch,
3538 int *type_flags_ptr)
3540 if (strcmp (name, "mode32") == 0)
3542 *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
3549 /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or
3550 "-mcmodel=large". */
3553 s390_gcc_target_options (struct gdbarch *gdbarch)
3555 return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31");
3558 /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*"
3559 for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is
3560 always "s390". Note that an s390x compiler supports "-m31" as
3564 s390_gnu_triplet_regexp (struct gdbarch *gdbarch)
3569 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
3573 s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s)
3575 return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement
3577 || *s == '%' /* Register access. */
3578 || isdigit (*s)); /* Literal number. */
3581 /* Process record and replay helpers. */
3583 /* Takes the intermediate sum of address calculations and masks off upper
3584 bits according to current addressing mode. */
3587 s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache,
3589 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3590 ULONGEST pswm, pswa;
3592 if (tdep->abi == ABI_LINUX_S390)
3594 regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
3595 am = pswa >> 31 & 1;
3599 regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm);
3600 am = pswm >> 31 & 3;
3605 return val & 0xffffff;
3607 return val & 0x7fffffff;
3611 fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am);
3616 /* Calculates memory address using pre-calculated index, raw instruction word
3617 with b and d/dl fields, and raw instruction byte with dh field. Index and
3618 dh should be set to 0 if unused. */
3621 s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache,
3622 ULONGEST x, uint16_t bd, int8_t dh)
3624 uint8_t rb = bd >> 12 & 0xf;
3625 int32_t d = (bd & 0xfff) | ((int32_t)dh << 12);
3627 CORE_ADDR res = d + x;
3630 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b);
3633 return s390_record_address_mask (gdbarch, regcache, res);
3636 /* Calculates memory address using raw x, b + d/dl, dh fields from
3637 instruction. rx and dh should be set to 0 if unused. */
3640 s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache,
3641 uint8_t rx, uint16_t bd, int8_t dh)
3645 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x);
3646 return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
3649 /* Calculates memory address for VSCE[GF] instructions. */
3652 s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache,
3653 uint8_t vx, uint8_t el, uint8_t es, uint16_t bd,
3654 int8_t dh, CORE_ADDR *res)
3656 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3657 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3660 if (tdep->v0_full_regnum == -1 || el * es >= 16)
3663 regcache_cooked_read (regcache, tdep->v0_full_regnum + vx, buf);
3665 regcache_raw_read (regcache, S390_V16_REGNUM + vx - 16, buf);
3666 x = extract_unsigned_integer (buf + el * es, es, byte_order);
3667 *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
3671 /* Calculates memory address for instructions with relative long addressing. */
3674 s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache,
3675 CORE_ADDR addr, uint16_t i1, uint16_t i2)
3677 int32_t ri = i1 << 16 | i2;
3678 return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2);
3681 /* Population count helper. */
3683 static int s390_popcnt (unsigned int x) {
3694 /* Record 64-bit register. */
3697 s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3699 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3700 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
3702 if (tdep->abi == ABI_LINUX_S390)
3703 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
3708 /* Record high 32 bits of a register. */
3711 s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3713 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
3714 if (tdep->abi == ABI_LINUX_S390)
3716 if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
3721 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
3727 /* Record vector register. */
3730 s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i)
3734 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
3736 if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
3741 if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16))
3748 s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
3751 uint16_t insn[3] = {0};
3752 /* Instruction as bytes. */
3754 /* Instruction as nibbles. */
3756 /* Instruction vector registers. */
3758 CORE_ADDR oaddr, oaddr2, oaddr3;
3761 /* if EX/EXRL instruction used, here's the reg parameter */
3763 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
3765 /* Attempting to use EX or EXRL jumps back here */
3768 /* Read instruction. */
3769 insn[0] = read_memory_unsigned_integer (addr, 2, byte_order);
3770 /* If execute was involved, do the adjustment. */
3772 insn[0] |= ex & 0xff;
3773 /* Two highest bits determine instruction size. */
3774 if (insn[0] >= 0x4000)
3775 insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order);
3777 /* Not necessary, but avoids uninitialized variable warnings. */
3779 if (insn[0] >= 0xc000)
3780 insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order);
3783 /* Split instruction into bytes and nibbles. */
3784 for (i = 0; i < 3; i++)
3786 ibyte[i*2] = insn[i] >> 8 & 0xff;
3787 ibyte[i*2+1] = insn[i] & 0xff;
3789 for (i = 0; i < 6; i++)
3791 inib[i*2] = ibyte[i] >> 4 & 0xf;
3792 inib[i*2+1] = ibyte[i] & 0xf;
3794 /* Compute vector registers, if applicable. */
3795 ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2];
3796 ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3];
3797 ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4];
3798 ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8];
3802 /* 0x00 undefined */
3805 /* E-format instruction */
3808 /* 0x00 undefined */
3809 /* 0x01 unsupported: PR - program return */
3810 /* 0x02 unsupported: UPT */
3811 /* 0x03 undefined */
3812 /* 0x04 privileged: PTFF - perform timing facility function */
3813 /* 0x05-0x06 undefined */
3814 /* 0x07 privileged: SCKPF - set clock programmable field */
3815 /* 0x08-0x09 undefined */
3817 case 0x0a: /* PFPO - perform floating point operation */
3818 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
3819 if (!(tmp & 0x80000000u))
3821 uint8_t ofc = tmp >> 16 & 0xff;
3824 case 0x00: /* HFP32 */
3825 case 0x01: /* HFP64 */
3826 case 0x05: /* BFP32 */
3827 case 0x06: /* BFP64 */
3828 case 0x08: /* DFP32 */
3829 case 0x09: /* DFP64 */
3830 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
3833 case 0x02: /* HFP128 */
3834 case 0x07: /* BFP128 */
3835 case 0x0a: /* DFP128 */
3836 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
3838 if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM))
3842 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n",
3843 ofc, paddress (gdbarch, addr));
3847 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
3850 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
3852 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3856 case 0x0b: /* TAM - test address mode */
3857 case 0x0c: /* SAM24 - set address mode 24 */
3858 case 0x0d: /* SAM31 - set address mode 31 */
3859 case 0x0e: /* SAM64 - set address mode 64 */
3860 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3864 /* 0x0f-0xfe undefined */
3866 /* 0xff unsupported: TRAP */
3873 /* 0x02 undefined */
3874 /* 0x03 undefined */
3876 case 0x04: /* SPM - set program mask */
3877 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3881 case 0x05: /* BALR - branch and link */
3882 case 0x45: /* BAL - branch and link */
3883 case 0x06: /* BCTR - branch on count */
3884 case 0x46: /* BCT - branch on count */
3885 case 0x0d: /* BASR - branch and save */
3886 case 0x4d: /* BAS - branch and save */
3887 case 0x84: /* BRXH - branch relative on index high */
3888 case 0x85: /* BRXLE - branch relative on index low or equal */
3889 case 0x86: /* BXH - branch on index high */
3890 case 0x87: /* BXLE - branch on index low or equal */
3891 /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX*
3892 use 32-bit destination as counter. */
3893 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3897 case 0x07: /* BCR - branch on condition */
3898 case 0x47: /* BC - branch on condition */
3899 /* No effect other than PC transfer. */
3902 /* 0x08 undefined */
3903 /* 0x09 undefined */
3906 /* SVC - supervisor call */
3907 if (s390_linux_syscall_record (regcache, ibyte[1]))
3911 case 0x0b: /* BSM - branch and set mode */
3913 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3915 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3919 case 0x0c: /* BASSM - branch and save and set mode */
3920 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3922 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3926 case 0x0e: /* MVCL - move long [interruptible] */
3927 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
3928 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
3929 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
3931 if (record_full_arch_list_add_mem (oaddr, tmp))
3933 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3935 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
3937 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
3939 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
3941 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3945 case 0x0f: /* CLCL - compare logical long [interruptible] */
3946 case 0xa9: /* CLCLE - compare logical long extended [partial] */
3947 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3949 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
3951 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
3953 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
3955 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3959 case 0x10: /* LPR - load positive */
3960 case 0x11: /* LNR - load negative */
3961 case 0x12: /* LTR - load and test */
3962 case 0x13: /* LCR - load complement */
3963 case 0x14: /* NR - and */
3964 case 0x16: /* OR - or */
3965 case 0x17: /* XR - xor */
3966 case 0x1a: /* AR - add */
3967 case 0x1b: /* SR - subtract */
3968 case 0x1e: /* ALR - add logical */
3969 case 0x1f: /* SLR - subtract logical */
3970 case 0x54: /* N - and */
3971 case 0x56: /* O - or */
3972 case 0x57: /* X - xor */
3973 case 0x5a: /* A - add */
3974 case 0x5b: /* S - subtract */
3975 case 0x5e: /* AL - add logical */
3976 case 0x5f: /* SL - subtract logical */
3977 case 0x4a: /* AH - add halfword */
3978 case 0x4b: /* SH - subtract halfword */
3979 case 0x8a: /* SRA - shift right single */
3980 case 0x8b: /* SLA - shift left single */
3981 case 0xbf: /* ICM - insert characters under mask */
3982 /* 32-bit destination + flags */
3983 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
3985 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
3989 case 0x15: /* CLR - compare logical */
3990 case 0x55: /* CL - compare logical */
3991 case 0x19: /* CR - compare */
3992 case 0x29: /* CDR - compare */
3993 case 0x39: /* CER - compare */
3994 case 0x49: /* CH - compare halfword */
3995 case 0x59: /* C - compare */
3996 case 0x69: /* CD - compare */
3997 case 0x79: /* CE - compare */
3998 case 0x91: /* TM - test under mask */
3999 case 0x95: /* CLI - compare logical */
4000 case 0xbd: /* CLM - compare logical under mask */
4001 case 0xd5: /* CLC - compare logical */
4002 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4006 case 0x18: /* LR - load */
4007 case 0x48: /* LH - load halfword */
4008 case 0x58: /* L - load */
4009 case 0x41: /* LA - load address */
4010 case 0x43: /* IC - insert character */
4011 case 0x4c: /* MH - multiply halfword */
4012 case 0x71: /* MS - multiply single */
4013 case 0x88: /* SRL - shift right single logical */
4014 case 0x89: /* SLL - shift left single logical */
4015 /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */
4016 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4020 case 0x1c: /* MR - multiply */
4021 case 0x5c: /* M - multiply */
4022 case 0x1d: /* DR - divide */
4023 case 0x5d: /* D - divide */
4024 case 0x8c: /* SRDL - shift right double logical */
4025 case 0x8d: /* SLDL - shift left double logical */
4026 /* 32-bit pair destination, no flags */
4027 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4029 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4033 case 0x20: /* LPDR - load positive */
4034 case 0x30: /* LPER - load positive */
4035 case 0x21: /* LNDR - load negative */
4036 case 0x31: /* LNER - load negative */
4037 case 0x22: /* LTDR - load and test */
4038 case 0x32: /* LTER - load and test */
4039 case 0x23: /* LCDR - load complement */
4040 case 0x33: /* LCER - load complement */
4041 case 0x2a: /* ADR - add */
4042 case 0x3a: /* AER - add */
4043 case 0x6a: /* AD - add */
4044 case 0x7a: /* AE - add */
4045 case 0x2b: /* SDR - subtract */
4046 case 0x3b: /* SER - subtract */
4047 case 0x6b: /* SD - subtract */
4048 case 0x7b: /* SE - subtract */
4049 case 0x2e: /* AWR - add unnormalized */
4050 case 0x3e: /* AUR - add unnormalized */
4051 case 0x6e: /* AW - add unnormalized */
4052 case 0x7e: /* AU - add unnormalized */
4053 case 0x2f: /* SWR - subtract unnormalized */
4054 case 0x3f: /* SUR - subtract unnormalized */
4055 case 0x6f: /* SW - subtract unnormalized */
4056 case 0x7f: /* SU - subtract unnormalized */
4057 /* float destination + flags */
4058 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4060 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4064 case 0x24: /* HDR - halve */
4065 case 0x34: /* HER - halve */
4066 case 0x25: /* LDXR - load rounded */
4067 case 0x35: /* LEDR - load rounded */
4068 case 0x28: /* LDR - load */
4069 case 0x38: /* LER - load */
4070 case 0x68: /* LD - load */
4071 case 0x78: /* LE - load */
4072 case 0x2c: /* MDR - multiply */
4073 case 0x3c: /* MDER - multiply */
4074 case 0x6c: /* MD - multiply */
4075 case 0x7c: /* MDE - multiply */
4076 case 0x2d: /* DDR - divide */
4077 case 0x3d: /* DER - divide */
4078 case 0x6d: /* DD - divide */
4079 case 0x7d: /* DE - divide */
4080 /* float destination, no flags */
4081 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4085 case 0x26: /* MXR - multiply */
4086 case 0x27: /* MXDR - multiply */
4087 case 0x67: /* MXD - multiply */
4088 /* float pair destination, no flags */
4089 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4091 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
4095 case 0x36: /* AXR - add */
4096 case 0x37: /* SXR - subtract */
4097 /* float pair destination + flags */
4098 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
4100 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
4102 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4106 case 0x40: /* STH - store halfword */
4107 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4108 if (record_full_arch_list_add_mem (oaddr, 2))
4112 case 0x42: /* STC - store character */
4113 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4114 if (record_full_arch_list_add_mem (oaddr, 1))
4118 case 0x44: /* EX - execute */
4121 fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
4122 paddress (gdbarch, addr));
4125 addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4128 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
4137 case 0x4e: /* CVD - convert to decimal */
4138 case 0x60: /* STD - store */
4139 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4140 if (record_full_arch_list_add_mem (oaddr, 8))
4144 case 0x4f: /* CVB - convert to binary */
4145 /* 32-bit gpr destination + FPC (DXC write) */
4146 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4148 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4152 case 0x50: /* ST - store */
4153 case 0x70: /* STE - store */
4154 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
4155 if (record_full_arch_list_add_mem (oaddr, 4))
4159 case 0x51: /* LAE - load address extended */
4160 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4162 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
4166 /* 0x52 undefined */
4167 /* 0x53 undefined */
4169 /* 0x61-0x66 undefined */
4171 /* 0x72-0x77 undefined */
4173 /* 0x80 privileged: SSM - set system mask */
4174 /* 0x81 undefined */
4175 /* 0x82 privileged: LPSW - load PSW */
4176 /* 0x83 privileged: diagnose */
4178 case 0x8e: /* SRDA - shift right double */
4179 case 0x8f: /* SLDA - shift left double */
4180 /* 32-bit pair destination + flags */
4181 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4183 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4185 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4189 case 0x90: /* STM - store multiple */
4190 case 0x9b: /* STAM - store access multiple */
4191 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4192 if (inib[2] <= inib[3])
4193 n = inib[3] - inib[2] + 1;
4195 n = inib[3] + 0x10 - inib[2] + 1;
4196 if (record_full_arch_list_add_mem (oaddr, n * 4))
4200 case 0x92: /* MVI - move */
4201 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4202 if (record_full_arch_list_add_mem (oaddr, 1))
4206 case 0x93: /* TS - test and set */
4207 case 0x94: /* NI - and */
4208 case 0x96: /* OI - or */
4209 case 0x97: /* XI - xor */
4210 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4211 if (record_full_arch_list_add_mem (oaddr, 1))
4213 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4217 case 0x98: /* LM - load multiple */
4218 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
4219 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
4221 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
4225 /* 0x99 privileged: TRACE */
4227 case 0x9a: /* LAM - load access multiple */
4228 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
4229 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
4231 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
4235 /* 0x9c-0x9f privileged and obsolete (old I/O) */
4236 /* 0xa0-0xa4 undefined */
4240 /* RI-format instruction */
4241 switch (ibyte[0] << 4 | inib[3])
4243 case 0xa50: /* IIHH - insert immediate */
4244 case 0xa51: /* IIHL - insert immediate */
4245 /* high 32-bit destination */
4246 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
4250 case 0xa52: /* IILH - insert immediate */
4251 case 0xa53: /* IILL - insert immediate */
4252 case 0xa75: /* BRAS - branch relative and save */
4253 case 0xa76: /* BRCT - branch relative on count */
4254 case 0xa78: /* LHI - load halfword immediate */
4255 case 0xa7c: /* MHI - multiply halfword immediate */
4256 /* 32-bit or native destination */
4257 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4261 case 0xa54: /* NIHH - and immediate */
4262 case 0xa55: /* NIHL - and immediate */
4263 case 0xa58: /* OIHH - or immediate */
4264 case 0xa59: /* OIHL - or immediate */
4265 /* high 32-bit destination + flags */
4266 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
4268 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4272 case 0xa56: /* NILH - and immediate */
4273 case 0xa57: /* NILL - and immediate */
4274 case 0xa5a: /* OILH - or immediate */
4275 case 0xa5b: /* OILL - or immediate */
4276 case 0xa7a: /* AHI - add halfword immediate */
4277 /* 32-bit destination + flags */
4278 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4280 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4284 case 0xa5c: /* LLIHH - load logical immediate */
4285 case 0xa5d: /* LLIHL - load logical immediate */
4286 case 0xa5e: /* LLILH - load logical immediate */
4287 case 0xa5f: /* LLILL - load logical immediate */
4288 case 0xa77: /* BRCTG - branch relative on count */
4289 case 0xa79: /* LGHI - load halfword immediate */
4290 case 0xa7d: /* MGHI - multiply halfword immediate */
4291 /* 64-bit destination */
4292 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
4296 case 0xa70: /* TMLH - test under mask */
4297 case 0xa71: /* TMLL - test under mask */
4298 case 0xa72: /* TMHH - test under mask */
4299 case 0xa73: /* TMHL - test under mask */
4300 case 0xa7e: /* CHI - compare halfword immediate */
4301 case 0xa7f: /* CGHI - compare halfword immediate */
4303 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4307 case 0xa74: /* BRC - branch relative on condition */
4308 /* no register change */
4311 case 0xa7b: /* AGHI - add halfword immediate */
4312 /* 64-bit destination + flags */
4313 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
4315 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4324 /* 0xa6 undefined */
4326 case 0xa8: /* MVCLE - move long extended [partial] */
4327 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
4328 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4329 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
4330 if (record_full_arch_list_add_mem (oaddr, tmp))
4332 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
4334 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
4336 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
4338 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
4340 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4344 /* 0xaa-0xab undefined */
4345 /* 0xac privileged: STNSM - store then and system mask */
4346 /* 0xad privileged: STOSM - store then or system mask */
4347 /* 0xae privileged: SIGP - signal processor */
4348 /* 0xaf unsupported: MC - monitor call */
4349 /* 0xb0 undefined */
4350 /* 0xb1 privileged: LRA - load real address */
4355 /* S/RRD/RRE/RRF/IE-format instruction */
4358 /* 0xb200-0xb204 undefined or privileged */
4360 case 0xb205: /* STCK - store clock */
4361 case 0xb27c: /* STCKF - store clock fast */
4362 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4363 if (record_full_arch_list_add_mem (oaddr, 8))
4365 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4369 /* 0xb206-0xb219 undefined, privileged, or unsupported */
4370 /* 0xb21a unsupported: CFC */
4371 /* 0xb21b-0xb221 undefined or privileged */
4373 case 0xb222: /* IPM - insert program mask */
4374 case 0xb24f: /* EAR - extract access */
4375 case 0xb252: /* MSR - multiply single */
4376 case 0xb2ec: /* ETND - extract transaction nesting depth */
4377 case 0xb38c: /* EFPC - extract fpc */
4378 case 0xb91f: /* LRVR - load reversed */
4379 case 0xb926: /* LBR - load byte */
4380 case 0xb927: /* LHR - load halfword */
4381 case 0xb994: /* LLCR - load logical character */
4382 case 0xb995: /* LLHR - load logical halfword */
4383 case 0xb9f2: /* LOCR - load on condition */
4384 /* 32-bit gpr destination */
4385 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4389 /* 0xb223-0xb22c privileged or unsupported */
4391 case 0xb22d: /* DXR - divide */
4392 case 0xb325: /* LXDR - load lengthened */
4393 case 0xb326: /* LXER - load lengthened */
4394 case 0xb336: /* SQXR - square root */
4395 case 0xb365: /* LXR - load */
4396 case 0xb367: /* FIXR - load fp integer */
4397 case 0xb376: /* LZXR - load zero */
4398 case 0xb3b6: /* CXFR - convert from fixed */
4399 case 0xb3c6: /* CXGR - convert from fixed */
4400 case 0xb3fe: /* IEXTR - insert biased exponent */
4401 /* float pair destination */
4402 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4404 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4408 /* 0xb22e-0xb240 undefined, privileged, or unsupported */
4410 case 0xb241: /* CKSM - checksum [partial] */
4411 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4413 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4415 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4417 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4421 /* 0xb242-0xb243 undefined */
4423 case 0xb244: /* SQDR - square root */
4424 case 0xb245: /* SQER - square root */
4425 case 0xb324: /* LDER - load lengthened */
4426 case 0xb337: /* MEER - multiply */
4427 case 0xb366: /* LEXR - load rounded */
4428 case 0xb370: /* LPDFR - load positive */
4429 case 0xb371: /* LNDFR - load negative */
4430 case 0xb372: /* CSDFR - copy sign */
4431 case 0xb373: /* LCDFR - load complement */
4432 case 0xb374: /* LZER - load zero */
4433 case 0xb375: /* LZDR - load zero */
4434 case 0xb377: /* FIER - load fp integer */
4435 case 0xb37f: /* FIDR - load fp integer */
4436 case 0xb3b4: /* CEFR - convert from fixed */
4437 case 0xb3b5: /* CDFR - convert from fixed */
4438 case 0xb3c1: /* LDGR - load fpr from gr */
4439 case 0xb3c4: /* CEGR - convert from fixed */
4440 case 0xb3c5: /* CDGR - convert from fixed */
4441 case 0xb3f6: /* IEDTR - insert biased exponent */
4442 /* float destination */
4443 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4447 /* 0xb246-0xb24c: privileged or unsupported */
4449 case 0xb24d: /* CPYA - copy access */
4450 case 0xb24e: /* SAR - set access */
4451 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6]))
4455 /* 0xb250-0xb251 undefined or privileged */
4456 /* 0xb253-0xb254 undefined or privileged */
4458 case 0xb255: /* MVST - move string [partial] */
4463 /* Read ending byte. */
4464 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
4466 /* Get address of second operand. */
4467 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp);
4468 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4469 /* Search for ending byte and compute length. */
4472 if (target_read_memory (oaddr, &cur, 1))
4475 } while (cur != end);
4476 /* Get address of first operand and record it. */
4477 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4478 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4479 if (record_full_arch_list_add_mem (oaddr, num))
4481 /* Record the registers. */
4482 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4484 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4486 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4491 /* 0xb256 undefined */
4493 case 0xb257: /* CUSE - compare until substring equal [interruptible] */
4494 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4496 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4498 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4500 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4502 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4506 /* 0xb258-0xb25c undefined, privileged, or unsupported */
4508 case 0xb25d: /* CLST - compare logical string [partial] */
4509 case 0xb25e: /* SRST - search string [partial] */
4510 case 0xb9be: /* SRSTU - search string unicode [partial] */
4511 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4513 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4515 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4519 /* 0xb25f-0xb262 undefined */
4521 case 0xb263: /* CMPSC - compression call [interruptible] */
4522 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4523 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4524 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4525 if (record_full_arch_list_add_mem (oaddr, tmp))
4527 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4529 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4531 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4533 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4535 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
4537 /* DXC may be written */
4538 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4540 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4544 /* 0xb264-0xb277 undefined, privileged, or unsupported */
4546 case 0xb278: /* STCKE - store clock extended */
4547 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4548 if (record_full_arch_list_add_mem (oaddr, 16))
4550 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4554 /* 0xb279-0xb27b undefined or unsupported */
4555 /* 0xb27d-0xb298 undefined or privileged */
4557 case 0xb299: /* SRNM - set rounding mode */
4558 case 0xb2b8: /* SRNMB - set bfp rounding mode */
4559 case 0xb2b9: /* SRNMT - set dfp rounding mode */
4560 case 0xb29d: /* LFPC - load fpc */
4561 case 0xb2bd: /* LFAS - load fpc and signal */
4562 case 0xb384: /* SFPC - set fpc */
4563 case 0xb385: /* SFASR - set fpc and signal */
4564 case 0xb960: /* CGRT - compare and trap */
4565 case 0xb961: /* CLGRT - compare logical and trap */
4566 case 0xb972: /* CRT - compare and trap */
4567 case 0xb973: /* CLRT - compare logical and trap */
4568 /* fpc only - including possible DXC write for trapping insns */
4569 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4573 /* 0xb29a-0xb29b undefined */
4575 case 0xb29c: /* STFPC - store fpc */
4576 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4577 if (record_full_arch_list_add_mem (oaddr, 4))
4581 /* 0xb29e-0xb2a4 undefined */
4583 case 0xb2a5: /* TRE - translate extended [partial] */
4584 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4585 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4586 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4587 if (record_full_arch_list_add_mem (oaddr, tmp))
4589 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4591 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4593 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4597 case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */
4598 case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */
4599 case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */
4600 case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */
4601 case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */
4602 case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */
4603 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
4604 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
4605 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
4606 if (record_full_arch_list_add_mem (oaddr, tmp))
4608 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4610 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
4612 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
4614 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
4616 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4620 /* 0xb2a8-0xb2af undefined */
4622 case 0xb2b0: /* STFLE - store facility list extended */
4623 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
4624 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
4626 if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1)))
4628 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM))
4630 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4634 /* 0xb2b1-0xb2b7 undefined or privileged */
4635 /* 0xb2ba-0xb2bc undefined */
4636 /* 0xb2be-0xb2e7 undefined */
4637 /* 0xb2e9-0xb2eb undefined */
4638 /* 0xb2ed-0xb2f7 undefined */
4639 /* 0xb2f8 unsupported: TEND */
4640 /* 0xb2f9 undefined */
4642 case 0xb2e8: /* PPA - perform processor assist */
4643 case 0xb2fa: /* NIAI - next instruction access intent */
4644 /* no visible effects */
4647 /* 0xb2fb undefined */
4648 /* 0xb2fc unsupported: TABORT */
4649 /* 0xb2fd-0xb2fe undefined */
4650 /* 0xb2ff unsupported: TRAP */
4652 case 0xb300: /* LPEBR - load positive */
4653 case 0xb301: /* LNEBR - load negative */
4654 case 0xb303: /* LCEBR - load complement */
4655 case 0xb310: /* LPDBR - load positive */
4656 case 0xb311: /* LNDBR - load negative */
4657 case 0xb313: /* LCDBR - load complement */
4658 case 0xb350: /* TBEDR - convert hfp to bfp */
4659 case 0xb351: /* TBDR - convert hfp to bfp */
4660 case 0xb358: /* THDER - convert bfp to hfp */
4661 case 0xb359: /* THDR - convert bfp to hfp */
4662 /* float destination + flags */
4663 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4665 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4669 case 0xb304: /* LDEBR - load lengthened */
4670 case 0xb30c: /* MDEBR - multiply */
4671 case 0xb30d: /* DEBR - divide */
4672 case 0xb314: /* SQEBR - square root */
4673 case 0xb315: /* SQDBR - square root */
4674 case 0xb317: /* MEEBR - multiply */
4675 case 0xb31c: /* MDBR - multiply */
4676 case 0xb31d: /* DDBR - divide */
4677 case 0xb344: /* LEDBRA - load rounded */
4678 case 0xb345: /* LDXBRA - load rounded */
4679 case 0xb346: /* LEXBRA - load rounded */
4680 case 0xb357: /* FIEBRA - load fp integer */
4681 case 0xb35f: /* FIDBRA - load fp integer */
4682 case 0xb390: /* CELFBR - convert from logical */
4683 case 0xb391: /* CDLFBR - convert from logical */
4684 case 0xb394: /* CEFBR - convert from fixed */
4685 case 0xb395: /* CDFBR - convert from fixed */
4686 case 0xb3a0: /* CELGBR - convert from logical */
4687 case 0xb3a1: /* CDLGBR - convert from logical */
4688 case 0xb3a4: /* CEGBR - convert from fixed */
4689 case 0xb3a5: /* CDGBR - convert from fixed */
4690 case 0xb3d0: /* MDTR - multiply */
4691 case 0xb3d1: /* DDTR - divide */
4692 case 0xb3d4: /* LDETR - load lengthened */
4693 case 0xb3d5: /* LEDTR - load lengthened */
4694 case 0xb3d7: /* FIDTR - load fp integer */
4695 case 0xb3dd: /* LDXTR - load lengthened */
4696 case 0xb3f1: /* CDGTR - convert from fixed */
4697 case 0xb3f2: /* CDUTR - convert from unsigned packed */
4698 case 0xb3f3: /* CDSTR - convert from signed packed */
4699 case 0xb3f5: /* QADTR - quantize */
4700 case 0xb3f7: /* RRDTR - reround */
4701 case 0xb951: /* CDFTR - convert from fixed */
4702 case 0xb952: /* CDLGTR - convert from logical */
4703 case 0xb953: /* CDLFTR - convert from logical */
4704 /* float destination + fpc */
4705 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4707 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4711 case 0xb305: /* LXDBR - load lengthened */
4712 case 0xb306: /* LXEBR - load lengthened */
4713 case 0xb307: /* MXDBR - multiply */
4714 case 0xb316: /* SQXBR - square root */
4715 case 0xb34c: /* MXBR - multiply */
4716 case 0xb34d: /* DXBR - divide */
4717 case 0xb347: /* FIXBRA - load fp integer */
4718 case 0xb392: /* CXLFBR - convert from logical */
4719 case 0xb396: /* CXFBR - convert from fixed */
4720 case 0xb3a2: /* CXLGBR - convert from logical */
4721 case 0xb3a6: /* CXGBR - convert from fixed */
4722 case 0xb3d8: /* MXTR - multiply */
4723 case 0xb3d9: /* DXTR - divide */
4724 case 0xb3dc: /* LXDTR - load lengthened */
4725 case 0xb3df: /* FIXTR - load fp integer */
4726 case 0xb3f9: /* CXGTR - convert from fixed */
4727 case 0xb3fa: /* CXUTR - convert from unsigned packed */
4728 case 0xb3fb: /* CXSTR - convert from signed packed */
4729 case 0xb3fd: /* QAXTR - quantize */
4730 case 0xb3ff: /* RRXTR - reround */
4731 case 0xb959: /* CXFTR - convert from fixed */
4732 case 0xb95a: /* CXLGTR - convert from logical */
4733 case 0xb95b: /* CXLFTR - convert from logical */
4734 /* float pair destination + fpc */
4735 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4737 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4739 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4743 case 0xb308: /* KEBR - compare and signal */
4744 case 0xb309: /* CEBR - compare */
4745 case 0xb318: /* KDBR - compare and signal */
4746 case 0xb319: /* CDBR - compare */
4747 case 0xb348: /* KXBR - compare and signal */
4748 case 0xb349: /* CXBR - compare */
4749 case 0xb3e0: /* KDTR - compare and signal */
4750 case 0xb3e4: /* CDTR - compare */
4751 case 0xb3e8: /* KXTR - compare and signal */
4752 case 0xb3ec: /* CXTR - compare */
4753 /* flags + fpc only */
4754 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4756 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4760 case 0xb302: /* LTEBR - load and test */
4761 case 0xb312: /* LTDBR - load and test */
4762 case 0xb30a: /* AEBR - add */
4763 case 0xb30b: /* SEBR - subtract */
4764 case 0xb31a: /* ADBR - add */
4765 case 0xb31b: /* SDBR - subtract */
4766 case 0xb3d2: /* ADTR - add */
4767 case 0xb3d3: /* SDTR - subtract */
4768 case 0xb3d6: /* LTDTR - load and test */
4769 /* float destination + flags + fpc */
4770 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4772 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4774 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4778 case 0xb30e: /* MAEBR - multiply and add */
4779 case 0xb30f: /* MSEBR - multiply and subtract */
4780 case 0xb31e: /* MADBR - multiply and add */
4781 case 0xb31f: /* MSDBR - multiply and subtract */
4782 /* float destination [RRD] + fpc */
4783 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4785 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4789 /* 0xb320-0xb323 undefined */
4790 /* 0xb327-0xb32d undefined */
4792 case 0xb32e: /* MAER - multiply and add */
4793 case 0xb32f: /* MSER - multiply and subtract */
4794 case 0xb338: /* MAYLR - multiply and add unnormalized */
4795 case 0xb339: /* MYLR - multiply unnormalized */
4796 case 0xb33c: /* MAYHR - multiply and add unnormalized */
4797 case 0xb33d: /* MYHR - multiply unnormalized */
4798 case 0xb33e: /* MADR - multiply and add */
4799 case 0xb33f: /* MSDR - multiply and subtract */
4800 /* float destination [RRD] */
4801 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4805 /* 0xb330-0xb335 undefined */
4807 case 0xb33a: /* MAYR - multiply and add unnormalized */
4808 case 0xb33b: /* MYR - multiply unnormalized */
4809 /* float pair destination [RRD] */
4810 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4812 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2)))
4816 case 0xb340: /* LPXBR - load positive */
4817 case 0xb341: /* LNXBR - load negative */
4818 case 0xb343: /* LCXBR - load complement */
4819 case 0xb360: /* LPXR - load positive */
4820 case 0xb361: /* LNXR - load negative */
4821 case 0xb362: /* LTXR - load and test */
4822 case 0xb363: /* LCXR - load complement */
4823 /* float pair destination + flags */
4824 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4826 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4828 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4832 case 0xb342: /* LTXBR - load and test */
4833 case 0xb34a: /* AXBR - add */
4834 case 0xb34b: /* SXBR - subtract */
4835 case 0xb3da: /* AXTR - add */
4836 case 0xb3db: /* SXTR - subtract */
4837 case 0xb3de: /* LTXTR - load and test */
4838 /* float pair destination + flags + fpc */
4839 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4841 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
4843 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4845 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4849 /* 0xb34e-0xb34f undefined */
4850 /* 0xb352 undefined */
4852 case 0xb353: /* DIEBR - divide to integer */
4853 case 0xb35b: /* DIDBR - divide to integer */
4854 /* two float destinations + flags + fpc */
4855 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
4857 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
4859 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4861 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4865 /* 0xb354-0xb356 undefined */
4866 /* 0xb35a undefined */
4868 /* 0xb35c-0xb35e undefined */
4869 /* 0xb364 undefined */
4870 /* 0xb368 undefined */
4872 case 0xb369: /* CXR - compare */
4873 case 0xb3f4: /* CEDTR - compare biased exponent */
4874 case 0xb3fc: /* CEXTR - compare biased exponent */
4875 case 0xb920: /* CGR - compare */
4876 case 0xb921: /* CLGR - compare logical */
4877 case 0xb930: /* CGFR - compare */
4878 case 0xb931: /* CLGFR - compare logical */
4879 case 0xb9cd: /* CHHR - compare high */
4880 case 0xb9cf: /* CLHHR - compare logical high */
4881 case 0xb9dd: /* CHLR - compare high */
4882 case 0xb9df: /* CLHLR - compare logical high */
4884 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4888 /* 0xb36a-0xb36f undefined */
4889 /* 0xb377-0xb37e undefined */
4890 /* 0xb380-0xb383 undefined */
4891 /* 0xb386-0xb38b undefined */
4892 /* 0xb38d-0xb38f undefined */
4893 /* 0xb393 undefined */
4894 /* 0xb397 undefined */
4896 case 0xb398: /* CFEBR - convert to fixed */
4897 case 0xb399: /* CFDBR - convert to fixed */
4898 case 0xb39a: /* CFXBR - convert to fixed */
4899 case 0xb39c: /* CLFEBR - convert to logical */
4900 case 0xb39d: /* CLFDBR - convert to logical */
4901 case 0xb39e: /* CLFXBR - convert to logical */
4902 case 0xb941: /* CFDTR - convert to fixed */
4903 case 0xb949: /* CFXTR - convert to fixed */
4904 case 0xb943: /* CLFDTR - convert to logical */
4905 case 0xb94b: /* CLFXTR - convert to logical */
4906 /* 32-bit gpr destination + flags + fpc */
4907 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4909 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4911 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4915 /* 0xb39b undefined */
4916 /* 0xb39f undefined */
4918 /* 0xb3a3 undefined */
4919 /* 0xb3a7 undefined */
4921 case 0xb3a8: /* CGEBR - convert to fixed */
4922 case 0xb3a9: /* CGDBR - convert to fixed */
4923 case 0xb3aa: /* CGXBR - convert to fixed */
4924 case 0xb3ac: /* CLGEBR - convert to logical */
4925 case 0xb3ad: /* CLGDBR - convert to logical */
4926 case 0xb3ae: /* CLGXBR - convert to logical */
4927 case 0xb3e1: /* CGDTR - convert to fixed */
4928 case 0xb3e9: /* CGXTR - convert to fixed */
4929 case 0xb942: /* CLGDTR - convert to logical */
4930 case 0xb94a: /* CLGXTR - convert to logical */
4931 /* 64-bit gpr destination + flags + fpc */
4932 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
4934 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4936 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
4940 /* 0xb3ab undefined */
4941 /* 0xb3af-0xb3b3 undefined */
4942 /* 0xb3b7 undefined */
4944 case 0xb3b8: /* CFER - convert to fixed */
4945 case 0xb3b9: /* CFDR - convert to fixed */
4946 case 0xb3ba: /* CFXR - convert to fixed */
4947 case 0xb998: /* ALCR - add logical with carry */
4948 case 0xb999: /* SLBR - subtract logical with borrow */
4949 case 0xb9f4: /* NRK - and */
4950 case 0xb9f6: /* ORK - or */
4951 case 0xb9f7: /* XRK - xor */
4952 case 0xb9f8: /* ARK - add */
4953 case 0xb9f9: /* SRK - subtract */
4954 case 0xb9fa: /* ALRK - add logical */
4955 case 0xb9fb: /* SLRK - subtract logical */
4956 /* 32-bit gpr destination + flags */
4957 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
4959 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
4963 case 0xb3c8: /* CGER - convert to fixed */
4964 case 0xb3c9: /* CGDR - convert to fixed */
4965 case 0xb3ca: /* CGXR - convert to fixed */
4966 case 0xb900: /* LPGR - load positive */
4967 case 0xb901: /* LNGR - load negative */
4968 case 0xb902: /* LTGR - load and test */
4969 case 0xb903: /* LCGR - load complement */
4970 case 0xb908: /* AGR - add */
4971 case 0xb909: /* SGR - subtract */
4972 case 0xb90a: /* ALGR - add logical */
4973 case 0xb90b: /* SLGR - subtract logical */
4974 case 0xb910: /* LPGFR - load positive */
4975 case 0xb911: /* LNGFR - load negative */
4976 case 0xb912: /* LTGFR - load and test */
4977 case 0xb913: /* LCGFR - load complement */
4978 case 0xb918: /* AGFR - add */
4979 case 0xb919: /* SGFR - subtract */
4980 case 0xb91a: /* ALGFR - add logical */
4981 case 0xb91b: /* SLGFR - subtract logical */
4982 case 0xb980: /* NGR - and */
4983 case 0xb981: /* OGR - or */
4984 case 0xb982: /* XGR - xor */
4985 case 0xb988: /* ALCGR - add logical with carry */
4986 case 0xb989: /* SLBGR - subtract logical with borrow */
4987 case 0xb9e1: /* POPCNT - population count */
4988 case 0xb9e4: /* NGRK - and */
4989 case 0xb9e6: /* OGRK - or */
4990 case 0xb9e7: /* XGRK - xor */
4991 case 0xb9e8: /* AGRK - add */
4992 case 0xb9e9: /* SGRK - subtract */
4993 case 0xb9ea: /* ALGRK - add logical */
4994 case 0xb9eb: /* SLGRK - subtract logical */
4995 /* 64-bit gpr destination + flags */
4996 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
4998 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5002 /* 0xb3bb-0xb3c0 undefined */
5003 /* 0xb3c2-0xb3c3 undefined */
5004 /* 0xb3c7 undefined */
5005 /* 0xb3cb-0xb3cc undefined */
5007 case 0xb3cd: /* LGDR - load gr from fpr */
5008 case 0xb3e2: /* CUDTR - convert to unsigned packed */
5009 case 0xb3e3: /* CSDTR - convert to signed packed */
5010 case 0xb3e5: /* EEDTR - extract biased exponent */
5011 case 0xb3e7: /* ESDTR - extract significance */
5012 case 0xb3ed: /* EEXTR - extract biased exponent */
5013 case 0xb3ef: /* ESXTR - extract significance */
5014 case 0xb904: /* LGR - load */
5015 case 0xb906: /* LGBR - load byte */
5016 case 0xb907: /* LGHR - load halfword */
5017 case 0xb90c: /* MSGR - multiply single */
5018 case 0xb90f: /* LRVGR - load reversed */
5019 case 0xb914: /* LGFR - load */
5020 case 0xb916: /* LLGFR - load logical */
5021 case 0xb917: /* LLGTR - load logical thirty one bits */
5022 case 0xb91c: /* MSGFR - load */
5023 case 0xb946: /* BCTGR - branch on count */
5024 case 0xb984: /* LLGCR - load logical character */
5025 case 0xb985: /* LLGHR - load logical halfword */
5026 case 0xb9e2: /* LOCGR - load on condition */
5027 /* 64-bit gpr destination */
5028 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5032 /* 0xb3ce-0xb3cf undefined */
5033 /* 0xb3e6 undefined */
5035 case 0xb3ea: /* CUXTR - convert to unsigned packed */
5036 case 0xb3eb: /* CSXTR - convert to signed packed */
5037 case 0xb90d: /* DSGR - divide single */
5038 case 0xb91d: /* DSGFR - divide single */
5039 case 0xb986: /* MLGR - multiply logical */
5040 case 0xb987: /* DLGR - divide logical */
5041 /* 64-bit gpr pair destination */
5042 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5044 if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
5048 /* 0xb3ee undefined */
5049 /* 0xb3f0 undefined */
5050 /* 0xb3f8 undefined */
5052 /* 0xb905 privileged */
5054 /* 0xb90e unsupported: EREGG */
5056 /* 0xb915 undefined */
5058 case 0xb91e: /* KMAC - compute message authentication code [partial] */
5059 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5060 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5061 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5065 case 0x00: /* KMAC-Query */
5066 if (record_full_arch_list_add_mem (oaddr, 16))
5070 case 0x01: /* KMAC-DEA */
5071 case 0x02: /* KMAC-TDEA-128 */
5072 case 0x03: /* KMAC-TDEA-192 */
5073 case 0x09: /* KMAC-Encrypted-DEA */
5074 case 0x0a: /* KMAC-Encrypted-TDEA-128 */
5075 case 0x0b: /* KMAC-Encrypted-TDEA-192 */
5076 if (record_full_arch_list_add_mem (oaddr, 8))
5080 case 0x12: /* KMAC-AES-128 */
5081 case 0x13: /* KMAC-AES-192 */
5082 case 0x14: /* KMAC-AES-256 */
5083 case 0x1a: /* KMAC-Encrypted-AES-128 */
5084 case 0x1b: /* KMAC-Encrypted-AES-192 */
5085 case 0x1c: /* KMAC-Encrypted-AES-256 */
5086 if (record_full_arch_list_add_mem (oaddr, 16))
5091 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
5092 (int)tmp, paddress (gdbarch, addr));
5097 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5099 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5102 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5106 /* 0xb922-0xb924 undefined */
5107 /* 0xb925 privileged */
5108 /* 0xb928 privileged */
5109 /* 0xb929 undefined */
5111 case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */
5112 case 0xb92b: /* KMO - cipher message with output feedback [partial] */
5113 case 0xb92f: /* KMC - cipher message with chaining [partial] */
5114 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5115 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5116 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5120 case 0x00: /* KM*-Query */
5121 if (record_full_arch_list_add_mem (oaddr, 16))
5125 case 0x01: /* KM*-DEA */
5126 case 0x02: /* KM*-TDEA-128 */
5127 case 0x03: /* KM*-TDEA-192 */
5128 case 0x09: /* KM*-Encrypted-DEA */
5129 case 0x0a: /* KM*-Encrypted-TDEA-128 */
5130 case 0x0b: /* KM*-Encrypted-TDEA-192 */
5131 if (record_full_arch_list_add_mem (oaddr, 8))
5135 case 0x12: /* KM*-AES-128 */
5136 case 0x13: /* KM*-AES-192 */
5137 case 0x14: /* KM*-AES-256 */
5138 case 0x1a: /* KM*-Encrypted-AES-128 */
5139 case 0x1b: /* KM*-Encrypted-AES-192 */
5140 case 0x1c: /* KM*-Encrypted-AES-256 */
5141 if (record_full_arch_list_add_mem (oaddr, 16))
5145 case 0x43: /* KMC-PRNG */
5146 /* Only valid for KMC. */
5147 if (insn[0] == 0xb92f)
5149 if (record_full_arch_list_add_mem (oaddr, 8))
5153 /* For other instructions, fallthru. */
5155 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n",
5156 (int)tmp, paddress (gdbarch, addr));
5161 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5162 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5163 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5164 if (record_full_arch_list_add_mem (oaddr2, tmp))
5166 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5168 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5170 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5173 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5177 case 0xb92c: /* PCC - perform cryptographic computation [partial] */
5178 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5179 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5180 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5184 case 0x00: /* PCC-Query */
5185 if (record_full_arch_list_add_mem (oaddr, 16))
5189 case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */
5190 case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */
5191 case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */
5192 case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */
5193 case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */
5194 case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */
5195 if (record_full_arch_list_add_mem (oaddr + 0x10, 8))
5199 case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */
5200 case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */
5201 case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */
5202 case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */
5203 case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */
5204 case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */
5205 if (record_full_arch_list_add_mem (oaddr + 0x18, 16))
5209 case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */
5210 if (record_full_arch_list_add_mem (oaddr + 0x30, 32))
5214 case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */
5215 if (record_full_arch_list_add_mem (oaddr + 0x40, 32))
5219 case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */
5220 if (record_full_arch_list_add_mem (oaddr + 0x50, 32))
5224 case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */
5225 if (record_full_arch_list_add_mem (oaddr + 0x60, 32))
5230 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n",
5231 (int)tmp, paddress (gdbarch, addr));
5234 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5238 case 0xb92d: /* KMCTR - cipher message with counter [partial] */
5239 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5240 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5241 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5245 case 0x00: /* KMCTR-Query */
5246 if (record_full_arch_list_add_mem (oaddr, 16))
5250 case 0x01: /* KMCTR-DEA */
5251 case 0x02: /* KMCTR-TDEA-128 */
5252 case 0x03: /* KMCTR-TDEA-192 */
5253 case 0x09: /* KMCTR-Encrypted-DEA */
5254 case 0x0a: /* KMCTR-Encrypted-TDEA-128 */
5255 case 0x0b: /* KMCTR-Encrypted-TDEA-192 */
5256 case 0x12: /* KMCTR-AES-128 */
5257 case 0x13: /* KMCTR-AES-192 */
5258 case 0x14: /* KMCTR-AES-256 */
5259 case 0x1a: /* KMCTR-Encrypted-AES-128 */
5260 case 0x1b: /* KMCTR-Encrypted-AES-192 */
5261 case 0x1c: /* KMCTR-Encrypted-AES-256 */
5265 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n",
5266 (int)tmp, paddress (gdbarch, addr));
5271 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5272 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5273 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5274 if (record_full_arch_list_add_mem (oaddr2, tmp))
5276 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5278 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5280 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5282 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4]))
5285 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5289 case 0xb92e: /* KM - cipher message [partial] */
5290 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5291 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5292 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5296 case 0x00: /* KM-Query */
5297 if (record_full_arch_list_add_mem (oaddr, 16))
5301 case 0x01: /* KM-DEA */
5302 case 0x02: /* KM-TDEA-128 */
5303 case 0x03: /* KM-TDEA-192 */
5304 case 0x09: /* KM-Encrypted-DEA */
5305 case 0x0a: /* KM-Encrypted-TDEA-128 */
5306 case 0x0b: /* KM-Encrypted-TDEA-192 */
5307 case 0x12: /* KM-AES-128 */
5308 case 0x13: /* KM-AES-192 */
5309 case 0x14: /* KM-AES-256 */
5310 case 0x1a: /* KM-Encrypted-AES-128 */
5311 case 0x1b: /* KM-Encrypted-AES-192 */
5312 case 0x1c: /* KM-Encrypted-AES-256 */
5315 case 0x32: /* KM-XTS-AES-128 */
5316 if (record_full_arch_list_add_mem (oaddr + 0x10, 16))
5320 case 0x34: /* KM-XTS-AES-256 */
5321 if (record_full_arch_list_add_mem (oaddr + 0x20, 16))
5325 case 0x3a: /* KM-XTS-Encrypted-AES-128 */
5326 if (record_full_arch_list_add_mem (oaddr + 0x30, 16))
5330 case 0x3c: /* KM-XTS-Encrypted-AES-256 */
5331 if (record_full_arch_list_add_mem (oaddr + 0x40, 16))
5336 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n",
5337 (int)tmp, paddress (gdbarch, addr));
5342 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5343 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5344 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
5345 if (record_full_arch_list_add_mem (oaddr2, tmp))
5347 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5349 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5351 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5354 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5358 /* 0xb932-0xb93b undefined */
5360 case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */
5361 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5362 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5363 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5367 case 0x00: /* PPNO-Query */
5368 case 0x80: /* PPNO-Query */
5369 if (record_full_arch_list_add_mem (oaddr, 16))
5373 case 0x03: /* PPNO-SHA-512-DRNG - generate */
5374 if (record_full_arch_list_add_mem (oaddr, 240))
5376 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5377 oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
5378 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
5379 if (record_full_arch_list_add_mem (oaddr2, tmp))
5381 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5383 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5387 case 0x83: /* PPNO-SHA-512-DRNG - seed */
5388 if (record_full_arch_list_add_mem (oaddr, 240))
5390 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5392 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5397 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n",
5398 (int)tmp, paddress (gdbarch, addr));
5401 /* DXC may be written */
5402 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5404 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5408 /* 0xb93d undefined */
5410 case 0xb93e: /* KIMD - compute intermediate message digest [partial] */
5411 case 0xb93f: /* KLMD - compute last message digest [partial] */
5412 regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
5413 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5414 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5418 case 0x00: /* K*MD-Query */
5419 if (record_full_arch_list_add_mem (oaddr, 16))
5423 case 0x01: /* K*MD-SHA-1 */
5424 if (record_full_arch_list_add_mem (oaddr, 20))
5428 case 0x02: /* K*MD-SHA-256 */
5429 if (record_full_arch_list_add_mem (oaddr, 32))
5433 case 0x03: /* K*MD-SHA-512 */
5434 if (record_full_arch_list_add_mem (oaddr, 64))
5438 case 0x41: /* KIMD-GHASH */
5439 /* Only valid for KIMD. */
5440 if (insn[0] == 0xb93e)
5442 if (record_full_arch_list_add_mem (oaddr, 16))
5446 /* For KLMD, fallthru. */
5448 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
5449 (int)tmp, paddress (gdbarch, addr));
5454 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5456 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
5459 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5463 /* 0xb940 undefined */
5464 /* 0xb944-0xb945 undefined */
5465 /* 0xb947-0xb948 undefined */
5466 /* 0xb94c-0xb950 undefined */
5467 /* 0xb954-0xb958 undefined */
5468 /* 0xb95c-0xb95f undefined */
5469 /* 0xb962-0xb971 undefined */
5470 /* 0xb974-0xb97f undefined */
5472 case 0xb983: /* FLOGR - find leftmost one */
5473 /* 64-bit gpr pair destination + flags */
5474 if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
5476 if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
5478 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5482 /* 0xb98a privileged */
5483 /* 0xb98b-0xb98c undefined */
5485 case 0xb98d: /* EPSW - extract psw */
5486 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5489 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5493 /* 0xb98e-0xb98f privileged */
5495 case 0xb990: /* TRTT - translate two to two [partial] */
5496 case 0xb991: /* TRTO - translate two to one [partial] */
5497 case 0xb992: /* TROT - translate one to two [partial] */
5498 case 0xb993: /* TROO - translate one to one [partial] */
5499 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
5500 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
5501 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
5502 /* tmp is source length, we want destination length. Adjust. */
5503 if (insn[0] == 0xb991)
5505 if (insn[0] == 0xb992)
5507 if (record_full_arch_list_add_mem (oaddr, tmp))
5509 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5511 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5513 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5515 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5519 case 0xb996: /* MLR - multiply logical */
5520 case 0xb997: /* DLR - divide logical */
5521 /* 32-bit gpr pair destination */
5522 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5524 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5528 /* 0xb99a-0xb9af unsupported, privileged, or undefined */
5529 /* 0xb9b4-0xb9bc undefined */
5531 case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */
5532 case 0xb9bf: /* TRTE - translate and test extended [partial] */
5533 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
5535 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
5537 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
5539 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5543 /* 0xb9c0-0xb9c7 undefined */
5545 case 0xb9c8: /* AHHHR - add high */
5546 case 0xb9c9: /* SHHHR - subtract high */
5547 case 0xb9ca: /* ALHHHR - add logical high */
5548 case 0xb9cb: /* SLHHHR - subtract logical high */
5549 case 0xb9d8: /* AHHLR - add high */
5550 case 0xb9d9: /* SHHLR - subtract high */
5551 case 0xb9da: /* ALHHLR - add logical high */
5552 case 0xb9db: /* SLHHLR - subtract logical high */
5553 /* 32-bit high gpr destination + flags */
5554 if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
5556 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5560 /* 0xb9cc undefined */
5561 /* 0xb9ce undefined */
5562 /* 0xb9d0-0xb9d7 undefined */
5563 /* 0xb9dc undefined */
5564 /* 0xb9de undefined */
5566 case 0xb9e0: /* LOCFHR - load high on condition */
5567 /* 32-bit high gpr destination */
5568 if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
5572 /* 0xb9e3 undefined */
5573 /* 0xb9e5 undefined */
5574 /* 0xb9ec-0xb9f1 undefined */
5575 /* 0xb9f3 undefined */
5576 /* 0xb9f5 undefined */
5577 /* 0xb9fc-0xb9ff undefined */
5584 /* 0xb4-0xb5 undefined */
5585 /* 0xb6 privileged: STCTL - store control */
5586 /* 0xb7 privileged: LCTL - load control */
5587 /* 0xb8 undefined */
5589 case 0xba: /* CS - compare and swap */
5590 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5591 if (record_full_arch_list_add_mem (oaddr, 4))
5593 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5595 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5599 case 0xbb: /* CDS - compare double and swap */
5600 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5601 if (record_full_arch_list_add_mem (oaddr, 8))
5603 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5605 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
5607 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5611 /* 0xbc undefined */
5613 case 0xbe: /* STCM - store characters under mask */
5614 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5615 if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
5624 /* RIL-format instruction */
5625 switch (ibyte[0] << 4 | inib[3])
5627 case 0xc00: /* LARL - load address relative long */
5628 case 0xc05: /* BRASL - branch relative and save long */
5629 case 0xc09: /* IILF - insert immediate */
5630 case 0xc21: /* MSFI - multiply single immediate */
5631 case 0xc42: /* LLHRL - load logical halfword relative long */
5632 case 0xc45: /* LHRL - load halfword relative long */
5633 case 0xc4d: /* LRL - load relative long */
5634 /* 32-bit or native gpr destination */
5635 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5639 case 0xc01: /* LGFI - load immediate */
5640 case 0xc0e: /* LLIHF - load logical immediate */
5641 case 0xc0f: /* LLILF - load logical immediate */
5642 case 0xc20: /* MSGFI - multiply single immediate */
5643 case 0xc44: /* LGHRL - load halfword relative long */
5644 case 0xc46: /* LLGHRL - load logical halfword relative long */
5645 case 0xc48: /* LGRL - load relative long */
5646 case 0xc4c: /* LGFRL - load relative long */
5647 case 0xc4e: /* LLGFRL - load logical relative long */
5648 /* 64-bit gpr destination */
5649 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5653 /* 0xc02-0xc03 undefined */
5655 case 0xc04: /* BRCL - branch relative on condition long */
5656 case 0xc62: /* PFDRL - prefetch data relative long */
5659 case 0xc06: /* XIHF - xor immediate */
5660 case 0xc0a: /* NIHF - and immediate */
5661 case 0xc0c: /* OIHF - or immediate */
5662 case 0xcc8: /* AIH - add immediate high */
5663 case 0xcca: /* ALSIH - add logical with signed immediate high */
5664 /* 32-bit high gpr destination + flags */
5665 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
5667 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5671 case 0xc07: /* XILF - xor immediate */
5672 case 0xc0b: /* NILF - and immediate */
5673 case 0xc0d: /* OILF - or immediate */
5674 case 0xc25: /* SLFI - subtract logical immediate */
5675 case 0xc29: /* AFI - add immediate */
5676 case 0xc2b: /* ALFI - add logical immediate */
5677 /* 32-bit gpr destination + flags */
5678 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5680 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5684 case 0xc08: /* IIHF - insert immediate */
5685 case 0xcc6: /* BRCTH - branch relative on count high */
5686 case 0xccb: /* ALSIHN - add logical with signed immediate high */
5687 /* 32-bit high gpr destination */
5688 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
5692 /* 0xc22-0xc23 undefined */
5694 case 0xc24: /* SLGFI - subtract logical immediate */
5695 case 0xc28: /* AGFI - add immediate */
5696 case 0xc2a: /* ALGFI - add logical immediate */
5697 /* 64-bit gpr destination + flags */
5698 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5700 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5704 /* 0xc26-0xc27 undefined */
5706 case 0xc2c: /* CGFI - compare immediate */
5707 case 0xc2d: /* CFI - compare immediate */
5708 case 0xc2e: /* CLGFI - compare logical immediate */
5709 case 0xc2f: /* CLFI - compare logical immediate */
5710 case 0xc64: /* CGHRL - compare halfword relative long */
5711 case 0xc65: /* CHRL - compare halfword relative long */
5712 case 0xc66: /* CLGHRL - compare logical halfword relative long */
5713 case 0xc67: /* CLHRL - compare logical halfword relative long */
5714 case 0xc68: /* CGRL - compare relative long */
5715 case 0xc6a: /* CLGRL - compare logical relative long */
5716 case 0xc6c: /* CGFRL - compare relative long */
5717 case 0xc6d: /* CRL - compare relative long */
5718 case 0xc6e: /* CLGFRL - compare logical relative long */
5719 case 0xc6f: /* CLRL - compare logical relative long */
5720 case 0xccd: /* CIH - compare immediate high */
5721 case 0xccf: /* CLIH - compare logical immediate high */
5723 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5727 /* 0xc40-0xc41 undefined */
5728 /* 0xc43 undefined */
5730 case 0xc47: /* STHRL - store halfword relative long */
5731 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5732 if (record_full_arch_list_add_mem (oaddr, 2))
5736 /* 0xc49-0xc4a undefined */
5738 case 0xc4b: /* STGRL - store relative long */
5739 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5740 if (record_full_arch_list_add_mem (oaddr, 8))
5744 case 0xc4f: /* STRL - store relative long */
5745 oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5746 if (record_full_arch_list_add_mem (oaddr, 4))
5750 case 0xc60: /* EXRL - execute relative long */
5753 fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
5754 paddress (gdbarch, addr));
5757 addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
5760 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
5769 /* 0xc61 undefined */
5770 /* 0xc63 undefined */
5771 /* 0xc69 undefined */
5772 /* 0xc6b undefined */
5773 /* 0xcc0-0xcc5 undefined */
5774 /* 0xcc7 undefined */
5775 /* 0xcc9 undefined */
5776 /* 0xccc undefined */
5777 /* 0xcce undefined */
5784 /* 0xc1 undefined */
5785 /* 0xc3 undefined */
5787 case 0xc5: /* BPRP - branch prediction relative preload */
5788 case 0xc7: /* BPP - branch prediction preload */
5789 /* no visible effect */
5793 /* SSF-format instruction */
5794 switch (ibyte[0] << 4 | inib[3])
5796 /* 0xc80 unsupported */
5798 case 0xc81: /* ECTG - extract cpu time */
5799 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5801 if (s390_record_gpr_g (gdbarch, regcache, 0))
5803 if (s390_record_gpr_g (gdbarch, regcache, 1))
5807 case 0xc82: /* CSST - compare and swap and store */
5810 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
5812 sc = tmp >> 8 & 0xff;
5814 /* First and third operands. */
5815 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5818 case 0x00: /* 32-bit */
5819 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5821 if (record_full_arch_list_add_mem (oaddr, 4))
5825 case 0x01: /* 64-bit */
5826 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5828 if (record_full_arch_list_add_mem (oaddr, 8))
5832 case 0x02: /* 128-bit */
5833 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5835 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
5837 if (record_full_arch_list_add_mem (oaddr, 16))
5842 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
5843 fc, paddress (gdbarch, addr));
5847 /* Second operand. */
5848 oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
5851 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
5852 sc, paddress (gdbarch, addr));
5856 if (record_full_arch_list_add_mem (oaddr2, 1 << sc))
5860 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5865 /* 0xc83 undefined */
5867 case 0xc84: /* LPD - load pair disjoint */
5868 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
5870 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
5872 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5876 case 0xc85: /* LPDG - load pair disjoint */
5877 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5879 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
5881 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5885 /* 0xc86-0xc8f undefined */
5892 /* 0xc9-0xcb undefined */
5893 /* 0xcd-0xcf undefined */
5895 case 0xd0: /* TRTR - translate and test reversed */
5896 case 0xdd: /* TRT - translate and test */
5897 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
5899 if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
5901 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5905 case 0xd1: /* MVN - move numbers */
5906 case 0xd2: /* MVC - move */
5907 case 0xd3: /* MVZ - move zones */
5908 case 0xdc: /* TR - translate */
5909 case 0xe8: /* MVCIN - move inverse */
5910 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5911 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5915 case 0xd4: /* NC - and */
5916 case 0xd6: /* OC - or*/
5917 case 0xd7: /* XC - xor */
5918 case 0xe2: /* UNPKU - unpack unicode */
5919 case 0xea: /* UNPKA - unpack ASCII */
5920 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5921 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5923 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5927 case 0xde: /* ED - edit */
5928 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5929 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5931 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5933 /* DXC may be written */
5934 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5938 case 0xdf: /* EDMK - edit and mark */
5939 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5940 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
5942 if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
5944 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5946 /* DXC may be written */
5947 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
5951 /* 0xd8 undefined */
5952 /* 0xd9 unsupported: MVCK - move with key */
5953 /* 0xda unsupported: MVCP - move to primary */
5954 /* 0xdb unsupported: MVCS - move to secondary */
5955 /* 0xe0 undefined */
5957 case 0xe1: /* PKU - pack unicode */
5958 case 0xe9: /* PKA - pack ASCII */
5959 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
5960 if (record_full_arch_list_add_mem (oaddr, 16))
5968 /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */
5969 switch (ibyte[0] << 8 | ibyte[5])
5971 /* 0xe300-0xe301 undefined */
5973 case 0xe302: /* LTG - load and test */
5974 case 0xe308: /* AG - add */
5975 case 0xe309: /* SG - subtract */
5976 case 0xe30a: /* ALG - add logical */
5977 case 0xe30b: /* SLG - subtract logical */
5978 case 0xe318: /* AGF - add */
5979 case 0xe319: /* SGF - subtract */
5980 case 0xe31a: /* ALGF - add logical */
5981 case 0xe31b: /* SLGF - subtract logical */
5982 case 0xe332: /* LTGF - load and test */
5983 case 0xe380: /* NG - and */
5984 case 0xe381: /* OG - or */
5985 case 0xe382: /* XG - xor */
5986 case 0xe388: /* ALCG - add logical with carry */
5987 case 0xe389: /* SLBG - subtract logical with borrow */
5988 case 0xeb0a: /* SRAG - shift right single */
5989 case 0xeb0b: /* SLAG - shift left single */
5990 /* 64-bit gpr destination + flags */
5991 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
5993 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
5997 /* 0xe303 privileged */
5999 case 0xe304: /* LG - load */
6000 case 0xe30c: /* MSG - multiply single */
6001 case 0xe30f: /* LRVG - load reversed */
6002 case 0xe314: /* LGF - load */
6003 case 0xe315: /* LGH - load halfword */
6004 case 0xe316: /* LLGF - load logical */
6005 case 0xe317: /* LLGT - load logical thirty one bits */
6006 case 0xe31c: /* MSGF - multiply single */
6007 case 0xe32a: /* LZRG - load and zero rightmost byte */
6008 case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */
6009 case 0xe346: /* BCTG - branch on count */
6010 case 0xe377: /* LGB - load byte */
6011 case 0xe390: /* LLGC - load logical character */
6012 case 0xe391: /* LLGH - load logical halfword */
6013 case 0xeb0c: /* SRLG - shift right single logical */
6014 case 0xeb0d: /* SLLG - shift left single logical */
6015 case 0xeb1c: /* RLLG - rotate left single logical */
6016 case 0xeb44: /* BXHG - branch on index high */
6017 case 0xeb45: /* BXLEG - branch on index low or equal */
6018 case 0xeb4c: /* ECAG - extract cpu attribute */
6019 case 0xebe2: /* LOCG - load on condition */
6020 /* 64-bit gpr destination */
6021 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6025 /* 0xe305 undefined */
6027 case 0xe306: /* CVBY - convert to binary */
6028 /* 32-bit or native gpr destination + FPC (DXC write) */
6029 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6031 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6035 /* 0xe307 undefined */
6037 case 0xe30d: /* DSG - divide single */
6038 case 0xe31d: /* DSGF - divide single */
6039 case 0xe386: /* MLG - multiply logical */
6040 case 0xe387: /* DLG - divide logical */
6041 case 0xe38f: /* LPQ - load pair from quadword */
6042 /* 64-bit gpr pair destination */
6043 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6045 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
6049 case 0xe30e: /* CVBG - convert to binary */
6050 /* 64-bit gpr destination + FPC (DXC write) */
6051 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6053 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6057 /* 0xe310-0xe311 undefined */
6059 case 0xe312: /* LT - load and test */
6060 case 0xe354: /* NY - and */
6061 case 0xe356: /* OY - or */
6062 case 0xe357: /* XY - xor */
6063 case 0xe35a: /* AY - add */
6064 case 0xe35b: /* SY - subtract */
6065 case 0xe35e: /* ALY - add logical */
6066 case 0xe35f: /* SLY - subtract logical */
6067 case 0xe37a: /* AHY - add halfword */
6068 case 0xe37b: /* SHY - subtract halfword */
6069 case 0xe398: /* ALC - add logical with carry */
6070 case 0xe399: /* SLB - subtract logical with borrow */
6071 case 0xe727: /* LCBB - load count to block bounduary */
6072 case 0xeb81: /* ICMY - insert characters under mask */
6073 case 0xebdc: /* SRAK - shift left single */
6074 case 0xebdd: /* SLAK - shift left single */
6075 /* 32-bit gpr destination + flags */
6076 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6078 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6082 /* 0xe313 privileged */
6084 case 0xe31e: /* LRV - load reversed */
6085 case 0xe31f: /* LRVH - load reversed */
6086 case 0xe33b: /* LZRF - load and zero rightmost byte */
6087 case 0xe351: /* MSY - multiply single */
6088 case 0xe358: /* LY - load */
6089 case 0xe371: /* LAY - load address */
6090 case 0xe373: /* ICY - insert character */
6091 case 0xe376: /* LB - load byte */
6092 case 0xe378: /* LHY - load */
6093 case 0xe37c: /* MHY - multiply halfword */
6094 case 0xe394: /* LLC - load logical character */
6095 case 0xe395: /* LLH - load logical halfword */
6096 case 0xeb1d: /* RLL - rotate left single logical */
6097 case 0xebde: /* SRLK - shift left single logical */
6098 case 0xebdf: /* SLLK - shift left single logical */
6099 case 0xebf2: /* LOC - load on condition */
6100 /* 32-bit or native gpr destination */
6101 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6105 case 0xe320: /* CG - compare */
6106 case 0xe321: /* CLG - compare logical */
6107 case 0xe330: /* CGF - compare */
6108 case 0xe331: /* CLGF - compare logical */
6109 case 0xe334: /* CGH - compare halfword */
6110 case 0xe355: /* CLY - compare logical */
6111 case 0xe359: /* CY - compare */
6112 case 0xe379: /* CHY - compare halfword */
6113 case 0xe3cd: /* CHF - compare high */
6114 case 0xe3cf: /* CLHF - compare logical high */
6115 case 0xeb20: /* CLMH - compare logical under mask high */
6116 case 0xeb21: /* CLMY - compare logical under mask */
6117 case 0xeb51: /* TMY - test under mask */
6118 case 0xeb55: /* CLIY - compare logical */
6119 case 0xebc0: /* TP - test decimal */
6120 case 0xed10: /* TCEB - test data class */
6121 case 0xed11: /* TCDB - test data class */
6122 case 0xed12: /* TCXB - test data class */
6123 case 0xed50: /* TDCET - test data class */
6124 case 0xed51: /* TDGET - test data group */
6125 case 0xed54: /* TDCDT - test data class */
6126 case 0xed55: /* TDGDT - test data group */
6127 case 0xed58: /* TDCXT - test data class */
6128 case 0xed59: /* TDGXT - test data group */
6130 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6134 /* 0xe322-0xe323 undefined */
6136 case 0xe324: /* STG - store */
6137 case 0xe325: /* NTSTG - nontransactional store */
6138 case 0xe326: /* CVDY - convert to decimal */
6139 case 0xe32f: /* STRVG - store reversed */
6140 case 0xebe3: /* STOCG - store on condition */
6141 case 0xed67: /* STDY - store */
6142 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6143 if (record_full_arch_list_add_mem (oaddr, 8))
6147 /* 0xe327-0xe329 undefined */
6148 /* 0xe32b-0xe32d undefined */
6150 case 0xe32e: /* CVDG - convert to decimal */
6151 case 0xe38e: /* STPQ - store pair to quadword */
6152 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6153 if (record_full_arch_list_add_mem (oaddr, 16))
6157 /* 0xe333 undefined */
6158 /* 0xe335 undefined */
6160 case 0xe336: /* PFD - prefetch data */
6163 /* 0xe337-0xe339 undefined */
6164 /* 0xe33c-0xe33d undefined */
6166 case 0xe33e: /* STRV - store reversed */
6167 case 0xe350: /* STY - store */
6168 case 0xe3cb: /* STFH - store high */
6169 case 0xebe1: /* STOCFH - store high on condition */
6170 case 0xebf3: /* STOC - store on condition */
6171 case 0xed66: /* STEY - store */
6172 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6173 if (record_full_arch_list_add_mem (oaddr, 4))
6177 case 0xe33f: /* STRVH - store reversed */
6178 case 0xe370: /* STHY - store halfword */
6179 case 0xe3c7: /* STHH - store halfword high */
6180 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6181 if (record_full_arch_list_add_mem (oaddr, 2))
6185 /* 0xe340-0xe345 undefined */
6186 /* 0xe347-0xe34f undefined */
6187 /* 0xe352-0xe353 undefined */
6189 case 0xe35c: /* MFY - multiply */
6190 case 0xe396: /* ML - multiply logical */
6191 case 0xe397: /* DL - divide logical */
6192 /* 32-bit gpr pair destination */
6193 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6195 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6199 /* 0xe35d undefined */
6200 /* 0xe360-0xe36f undefined */
6202 case 0xe372: /* STCY - store character */
6203 case 0xe3c3: /* STCH - store character high */
6204 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
6205 if (record_full_arch_list_add_mem (oaddr, 1))
6209 /* 0xe374 undefined */
6211 case 0xe375: /* LAEY - load address extended */
6212 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6214 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
6218 /* 0xe37d-0xe37f undefined */
6219 /* 0xe383-0xe384 undefined */
6221 case 0xe385: /* LGAT - load and trap */
6222 case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */
6223 case 0xe39d: /* LLGFAT - load logical and trap */
6224 case 0xe721: /* VLGV - vector load gr from vr element */
6225 /* 64-bit gpr destination + fpc for possible DXC write */
6226 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6228 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6232 /* 0xe38a-0xe38d undefined */
6233 /* 0xe392-0xe393 undefined */
6234 /* 0xe39a-0xe39b undefined */
6235 /* 0xe39e undefined */
6237 case 0xe39f: /* LAT - load and trap */
6238 /* 32-bit gpr destination + fpc for possible DXC write */
6239 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6241 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6245 /* 0xe3a0-0xe3bf undefined */
6247 case 0xe3c0: /* LBH - load byte high */
6248 case 0xe3c2: /* LLCH - load logical character high */
6249 case 0xe3c4: /* LHH - load halfword high */
6250 case 0xe3c6: /* LLHH - load logical halfword high */
6251 case 0xe3ca: /* LFH - load high */
6252 case 0xebe0: /* LOCFH - load high on condition */
6253 /* 32-bit high gpr destination */
6254 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6258 /* 0xe3c1 undefined */
6259 /* 0xe3c5 undefined */
6261 case 0xe3c8: /* LFHAT - load high and trap */
6262 /* 32-bit high gpr destination + fpc for possible DXC write */
6263 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6265 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6269 /* 0xe3c9 undefined */
6270 /* 0xe3cc undefined */
6271 /* 0xe3ce undefined */
6272 /* 0xe3d0-0xe3ff undefined */
6274 case 0xe700: /* VLEB - vector load element */
6275 case 0xe701: /* VLEH - vector load element */
6276 case 0xe702: /* VLEG - vector load element */
6277 case 0xe703: /* VLEF - vector load element */
6278 case 0xe704: /* VLLEZ - vector load logical element and zero */
6279 case 0xe705: /* VLREP - vector load and replicate */
6280 case 0xe706: /* VL - vector load */
6281 case 0xe707: /* VLBB - vector load to block bounduary */
6282 case 0xe712: /* VGEG - vector gather element */
6283 case 0xe713: /* VGEF - vector gather element */
6284 case 0xe722: /* VLVG - vector load vr element from gr */
6285 case 0xe730: /* VESL - vector element shift left */
6286 case 0xe733: /* VERLL - vector element rotate left logical */
6287 case 0xe737: /* VLL - vector load with length */
6288 case 0xe738: /* VESRL - vector element shift right logical */
6289 case 0xe73a: /* VESRA - vector element shift right arithmetic */
6290 case 0xe740: /* VLEIB - vector load element immediate */
6291 case 0xe741: /* VLEIH - vector load element immediate */
6292 case 0xe742: /* VLEIG - vector load element immediate */
6293 case 0xe743: /* VLEIF - vector load element immediate */
6294 case 0xe744: /* VGBM - vector generate byte mask */
6295 case 0xe745: /* VREPI - vector replicate immediate */
6296 case 0xe746: /* VGM - vector generate mask */
6297 case 0xe74d: /* VREP - vector replicate */
6298 case 0xe750: /* VPOPCT - vector population count */
6299 case 0xe752: /* VCTZ - vector count trailing zeros */
6300 case 0xe753: /* VCLZ - vector count leading zeros */
6301 case 0xe756: /* VLR - vector load */
6302 case 0xe75f: /* VSEG -vector sign extend to doubleword */
6303 case 0xe760: /* VMRL - vector merge low */
6304 case 0xe761: /* VMRH - vector merge high */
6305 case 0xe762: /* VLVGP - vector load vr from grs disjoint */
6306 case 0xe764: /* VSUM - vector sum across word */
6307 case 0xe765: /* VSUMG - vector sum across doubleword */
6308 case 0xe766: /* VCKSM - vector checksum */
6309 case 0xe767: /* VSUMQ - vector sum across quadword */
6310 case 0xe768: /* VN - vector and */
6311 case 0xe769: /* VNC - vector and with complement */
6312 case 0xe76a: /* VO - vector or */
6313 case 0xe76b: /* VNO - vector nor */
6314 case 0xe76d: /* VX - vector xor */
6315 case 0xe770: /* VESLV - vector element shift left */
6316 case 0xe772: /* VERIM - vector element rotate and insert under mask */
6317 case 0xe773: /* VERLLV - vector element rotate left logical */
6318 case 0xe774: /* VSL - vector shift left */
6319 case 0xe775: /* VSLB - vector shift left by byte */
6320 case 0xe777: /* VSLDB - vector shift left double by byte */
6321 case 0xe778: /* VESRLV - vector element shift right logical */
6322 case 0xe77a: /* VESRAV - vector element shift right arithmetic */
6323 case 0xe77c: /* VSRL - vector shift right logical */
6324 case 0xe77d: /* VSRLB - vector shift right logical by byte */
6325 case 0xe77e: /* VSRA - vector shift right arithmetic */
6326 case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */
6327 case 0xe784: /* VPDI - vector permute doubleword immediate */
6328 case 0xe78c: /* VPERM - vector permute */
6329 case 0xe78d: /* VSEL - vector select */
6330 case 0xe78e: /* VFMS - vector fp multiply and subtract */
6331 case 0xe78f: /* VFMA - vector fp multiply and add */
6332 case 0xe794: /* VPK - vector pack */
6333 case 0xe7a1: /* VMLH - vector multiply logical high */
6334 case 0xe7a2: /* VML - vector multiply low */
6335 case 0xe7a3: /* VMH - vector multiply high */
6336 case 0xe7a4: /* VMLE - vector multiply logical even */
6337 case 0xe7a5: /* VMLO - vector multiply logical odd */
6338 case 0xe7a6: /* VME - vector multiply even */
6339 case 0xe7a7: /* VMO - vector multiply odd */
6340 case 0xe7a9: /* VMALH - vector multiply and add logical high */
6341 case 0xe7aa: /* VMAL - vector multiply and add low */
6342 case 0xe7ab: /* VMAH - vector multiply and add high */
6343 case 0xe7ac: /* VMALE - vector multiply and add logical even */
6344 case 0xe7ad: /* VMALO - vector multiply and add logical odd */
6345 case 0xe7ae: /* VMAE - vector multiply and add even */
6346 case 0xe7af: /* VMAO - vector multiply and add odd */
6347 case 0xe7b4: /* VGFM - vector Galois field multiply sum */
6348 case 0xe7b9: /* VACCC - vector add with carry compute carry */
6349 case 0xe7bb: /* VAC - vector add with carry */
6350 case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */
6351 case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */
6352 case 0xe7bf: /* VSBI - vector subtract with borrow indication */
6353 case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */
6354 case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */
6355 case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */
6356 case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */
6357 case 0xe7c4: /* VLDE - vector fp load lengthened */
6358 case 0xe7c5: /* VLED - vector fp load rounded */
6359 case 0xe7c7: /* VFI - vector load fp integer */
6360 case 0xe7cc: /* VFPSO - vector fp perform sign operation */
6361 case 0xe7ce: /* VFSQ - vector fp square root */
6362 case 0xe7d4: /* VUPLL - vector unpack logical low */
6363 case 0xe7d6: /* VUPL - vector unpack low */
6364 case 0xe7d5: /* VUPLH - vector unpack logical high */
6365 case 0xe7d7: /* VUPH - vector unpack high */
6366 case 0xe7de: /* VLC - vector load complement */
6367 case 0xe7df: /* VLP - vector load positive */
6368 case 0xe7e2: /* VFA - vector fp subtract */
6369 case 0xe7e3: /* VFA - vector fp add */
6370 case 0xe7e5: /* VFD - vector fp divide */
6371 case 0xe7e7: /* VFM - vector fp multiply */
6372 case 0xe7f0: /* VAVGL - vector average logical */
6373 case 0xe7f1: /* VACC - vector add and compute carry */
6374 case 0xe7f2: /* VAVG - vector average */
6375 case 0xe7f3: /* VA - vector add */
6376 case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */
6377 case 0xe7f7: /* VS - vector subtract */
6378 case 0xe7fc: /* VMNL - vector minimum logical */
6379 case 0xe7fd: /* VMXL - vector maximum logical */
6380 case 0xe7fe: /* VMN - vector minimum */
6381 case 0xe7ff: /* VMX - vector maximum */
6382 /* vector destination + FPC */
6383 if (s390_record_vr (gdbarch, regcache, ivec[0]))
6385 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6389 case 0xe708: /* VSTEB - vector store element */
6390 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6391 if (record_full_arch_list_add_mem (oaddr, 1))
6393 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6397 case 0xe709: /* VSTEH - vector store element */
6398 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6399 if (record_full_arch_list_add_mem (oaddr, 2))
6401 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6405 case 0xe70a: /* VSTEG - vector store element */
6406 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6407 if (record_full_arch_list_add_mem (oaddr, 8))
6409 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6413 case 0xe70b: /* VSTEF - vector store element */
6414 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6415 if (record_full_arch_list_add_mem (oaddr, 4))
6417 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6421 /* 0xe70c-0xe70d undefined */
6423 case 0xe70e: /* VST - vector store */
6424 oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
6425 if (record_full_arch_list_add_mem (oaddr, 16))
6427 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6431 /* 0xe70f-0xe711 undefined */
6432 /* 0xe714-0xe719 undefined */
6434 case 0xe71a: /* VSCEG - vector scatter element */
6435 if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr))
6437 if (record_full_arch_list_add_mem (oaddr, 8))
6439 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6443 case 0xe71b: /* VSCEF - vector scatter element */
6444 if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr))
6446 if (record_full_arch_list_add_mem (oaddr, 4))
6448 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6452 /* 0xe71c-0xe720 undefined */
6453 /* 0xe723-0xe726 undefined */
6454 /* 0xe728-0xe72f undefined */
6455 /* 0xe731-0xe732 undefined */
6456 /* 0xe734-0xe735 undefined */
6458 case 0xe736: /* VLM - vector load multiple */
6459 for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f)
6460 if (s390_record_vr (gdbarch, regcache, i))
6462 if (s390_record_vr (gdbarch, regcache, ivec[1]))
6464 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6468 /* 0xe739 undefined */
6469 /* 0xe73b-0xe73d undefined */
6471 case 0xe73e: /* VSTM - vector store multiple */
6472 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6473 if (ivec[0] <= ivec[1])
6474 n = ivec[1] - ivec[0] + 1;
6476 n = ivec[1] + 0x20 - ivec[0] + 1;
6477 if (record_full_arch_list_add_mem (oaddr, n * 16))
6479 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6483 case 0xe73f: /* VSTL - vector store with length */
6484 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6485 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp);
6489 if (record_full_arch_list_add_mem (oaddr, tmp))
6491 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6495 /* 0xe747-0xe749 undefined */
6497 case 0xe74a: /* VFTCI - vector fp test data class immediate */
6498 case 0xe75c: /* VISTR - vector isolate string */
6499 case 0xe780: /* VFEE - vector find element equal */
6500 case 0xe781: /* VFENE - vector find element not equal */
6501 case 0xe782: /* VFA - vector find any element equal */
6502 case 0xe78a: /* VSTRC - vector string range compare */
6503 case 0xe795: /* VPKLS - vector pack logical saturate */
6504 case 0xe797: /* VPKS - vector pack saturate */
6505 case 0xe7e8: /* VFCE - vector fp compare equal */
6506 case 0xe7ea: /* VFCHE - vector fp compare high or equal */
6507 case 0xe7eb: /* VFCE - vector fp compare high */
6508 case 0xe7f8: /* VCEQ - vector compare equal */
6509 case 0xe7f9: /* VCHL - vector compare high logical */
6510 case 0xe7fb: /* VCH - vector compare high */
6511 /* vector destination + flags + FPC */
6512 if (s390_record_vr (gdbarch, regcache, ivec[0]))
6514 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6516 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6520 /* 0xe74b-0xe74c undefined */
6521 /* 0xe74e-0xe74f undefined */
6522 /* 0xe751 undefined */
6523 /* 0xe754-0xe755 undefined */
6524 /* 0xe757-0xe75b undefined */
6525 /* 0xe75d-0xe75e undefined */
6526 /* 0xe763 undefined */
6527 /* 0xe76c undefined */
6528 /* 0xe76e-0xe76f undefined */
6529 /* 0xe771 undefined */
6530 /* 0xe776 undefined */
6531 /* 0xe779 undefined */
6532 /* 0xe77b undefined */
6533 /* 0xe783 undefined */
6534 /* 0xe785-0xe789 undefined */
6535 /* 0xe78b undefined */
6536 /* 0xe790-0xe793 undefined */
6537 /* 0xe796 undefined */
6538 /* 0xe798-0xe7a0 undefined */
6539 /* 0xe7a8 undefined */
6540 /* 0xe7b0-0xe7b3 undefined */
6541 /* 0xe7b5-0xe7b8 undefined */
6542 /* 0xe7ba undefined */
6543 /* 0xe7be undefined */
6544 /* 0xe7c6 undefined */
6545 /* 0xe7c8-0xe7c9 undefined */
6547 case 0xe7ca: /* WFK - vector fp compare and signal scalar */
6548 case 0xe7cb: /* WFC - vector fp compare scalar */
6549 case 0xe7d8: /* VTM - vector test under mask */
6550 case 0xe7d9: /* VECL - vector element compare logical */
6551 case 0xe7db: /* VEC - vector element compare */
6552 case 0xed08: /* KEB - compare and signal */
6553 case 0xed09: /* CEB - compare */
6554 case 0xed18: /* KDB - compare and signal */
6555 case 0xed19: /* CDB - compare */
6556 /* flags + fpc only */
6557 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6559 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6563 /* 0xe7cd undefined */
6564 /* 0xe7cf-0xe7d3 undefined */
6565 /* 0xe7da undefined */
6566 /* 0xe7dc-0xe7dd undefined */
6567 /* 0xe7e0-0xe7e1 undefined */
6568 /* 0xe7e4 undefined */
6569 /* 0xe7e6 undefined */
6570 /* 0xe7e9 undefined */
6571 /* 0xe7ec-0xe7ef undefined */
6572 /* 0xe7f4 undefined */
6573 /* 0xe7f6 undefined */
6574 /* 0xe7fa undefined */
6576 /* 0xeb00-0xeb03 undefined */
6578 case 0xeb04: /* LMG - load multiple */
6579 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6580 if (s390_record_gpr_g (gdbarch, regcache, i))
6582 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
6586 /* 0xeb05-0xeb09 undefined */
6587 /* 0xeb0e undefined */
6588 /* 0xeb0f privileged: TRACG */
6589 /* 0xeb10-0xeb13 undefined */
6591 case 0xeb14: /* CSY - compare and swap */
6592 case 0xebf4: /* LAN - load and and */
6593 case 0xebf6: /* LAO - load and or */
6594 case 0xebf7: /* LAX - load and xor */
6595 case 0xebf8: /* LAA - load and add */
6596 case 0xebfa: /* LAAL - load and add logical */
6597 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6598 if (record_full_arch_list_add_mem (oaddr, 4))
6600 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6602 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6606 /* 0xeb15-0xeb1b undefined */
6607 /* 0xeb1e-0xeb1f undefined */
6608 /* 0xeb22 undefined */
6610 case 0xeb23: /* CLT - compare logical and trap */
6611 case 0xeb2b: /* CLGT - compare logical and trap */
6612 /* fpc only - including possible DXC write for trapping insns */
6613 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6617 case 0xeb24: /* STMG - store multiple */
6618 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6619 if (inib[2] <= inib[3])
6620 n = inib[3] - inib[2] + 1;
6622 n = inib[3] + 0x10 - inib[2] + 1;
6623 if (record_full_arch_list_add_mem (oaddr, n * 8))
6627 /* 0xeb25 privileged */
6629 case 0xeb26: /* STMH - store multiple high */
6630 case 0xeb90: /* STMY - store multiple */
6631 case 0xeb9b: /* STAMY - store access multiple */
6632 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6633 if (inib[2] <= inib[3])
6634 n = inib[3] - inib[2] + 1;
6636 n = inib[3] + 0x10 - inib[2] + 1;
6637 if (record_full_arch_list_add_mem (oaddr, n * 4))
6641 /* 0xeb27-0xeb2a undefined */
6643 case 0xeb2c: /* STCMH - store characters under mask */
6644 case 0xeb2d: /* STCMY - store characters under mask */
6645 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6646 if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
6650 /* 0xeb2e undefined */
6651 /* 0xeb2f privileged */
6653 case 0xeb30: /* CSG - compare and swap */
6654 case 0xebe4: /* LANG - load and and */
6655 case 0xebe6: /* LAOG - load and or */
6656 case 0xebe7: /* LAXG - load and xor */
6657 case 0xebe8: /* LAAG - load and add */
6658 case 0xebea: /* LAALG - load and add logical */
6659 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6660 if (record_full_arch_list_add_mem (oaddr, 8))
6662 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6664 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6668 case 0xeb31: /* CDSY - compare double and swap */
6669 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6670 if (record_full_arch_list_add_mem (oaddr, 8))
6672 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6674 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6676 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6680 /* 0xeb32-0xeb3d undefined */
6682 case 0xeb3e: /* CDSG - compare double and swap */
6683 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6684 if (record_full_arch_list_add_mem (oaddr, 16))
6686 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
6688 if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
6690 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6694 /* 0xeb3f-0xeb43 undefined */
6695 /* 0xeb46-0xeb4b undefined */
6696 /* 0xeb4d-0xeb50 undefined */
6698 case 0xeb52: /* MVIY - move */
6699 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6700 if (record_full_arch_list_add_mem (oaddr, 1))
6704 case 0xeb54: /* NIY - and */
6705 case 0xeb56: /* OIY - or */
6706 case 0xeb57: /* XIY - xor */
6707 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6708 if (record_full_arch_list_add_mem (oaddr, 1))
6710 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6714 /* 0xeb53 undefined */
6715 /* 0xeb58-0xeb69 undefined */
6717 case 0xeb6a: /* ASI - add immediate */
6718 case 0xeb6e: /* ALSI - add immediate */
6719 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6720 if (record_full_arch_list_add_mem (oaddr, 4))
6722 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6726 /* 0xeb6b-0xeb6d undefined */
6727 /* 0xeb6f-0xeb79 undefined */
6729 case 0xeb7a: /* AGSI - add immediate */
6730 case 0xeb7e: /* ALGSI - add immediate */
6731 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
6732 if (record_full_arch_list_add_mem (oaddr, 8))
6734 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6738 /* 0xeb7b-0xeb7d undefined */
6739 /* 0xeb7f undefined */
6741 case 0xeb80: /* ICMH - insert characters under mask */
6742 /* 32-bit high gpr destination + flags */
6743 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
6745 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6749 /* 0xeb82-0xeb8d undefined */
6751 case 0xeb8e: /* MVCLU - move long unicode [partial] */
6752 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
6753 oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
6754 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
6755 if (record_full_arch_list_add_mem (oaddr, tmp))
6757 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6759 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6761 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6763 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
6765 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6769 case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */
6770 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
6772 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
6774 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6776 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
6778 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6782 /* 0xeb91-0xeb95 undefined */
6784 case 0xeb96: /* LMH - load multiple high */
6785 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6786 if (s390_record_gpr_h (gdbarch, regcache, i))
6788 if (s390_record_gpr_h (gdbarch, regcache, inib[3]))
6792 /* 0xeb97 undefined */
6794 case 0xeb98: /* LMY - load multiple */
6795 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6796 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
6798 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
6802 /* 0xeb99 undefined */
6804 case 0xeb9a: /* LAMY - load access multiple */
6805 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
6806 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
6808 if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
6812 /* 0xeb9c-0xebbf undefined */
6813 /* 0xebc1-0xebdb undefined */
6814 /* 0xebe5 undefined */
6815 /* 0xebe9 undefined */
6816 /* 0xebeb-0xebf1 undefined */
6817 /* 0xebf5 undefined */
6818 /* 0xebf9 undefined */
6819 /* 0xebfb-0xebff undefined */
6821 /* 0xed00-0xed03 undefined */
6823 case 0xed04: /* LDEB - load lengthened */
6824 case 0xed0c: /* MDEB - multiply */
6825 case 0xed0d: /* DEB - divide */
6826 case 0xed14: /* SQEB - square root */
6827 case 0xed15: /* SQDB - square root */
6828 case 0xed17: /* MEEB - multiply */
6829 case 0xed1c: /* MDB - multiply */
6830 case 0xed1d: /* DDB - divide */
6831 /* float destination + fpc */
6832 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6834 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6838 case 0xed05: /* LXDB - load lengthened */
6839 case 0xed06: /* LXEB - load lengthened */
6840 case 0xed07: /* MXDB - multiply */
6841 /* float pair destination + fpc */
6842 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6844 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
6846 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6850 case 0xed0a: /* AEB - add */
6851 case 0xed0b: /* SEB - subtract */
6852 case 0xed1a: /* ADB - add */
6853 case 0xed1b: /* SDB - subtract */
6854 /* float destination + flags + fpc */
6855 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6857 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6859 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6863 case 0xed0e: /* MAEB - multiply and add */
6864 case 0xed0f: /* MSEB - multiply and subtract */
6865 case 0xed1e: /* MADB - multiply and add */
6866 case 0xed1f: /* MSDB - multiply and subtract */
6867 case 0xed40: /* SLDT - shift significand left */
6868 case 0xed41: /* SRDT - shift significand right */
6869 case 0xedaa: /* CDZT - convert from zoned */
6870 case 0xedae: /* CDPT - convert from packed */
6871 /* float destination [RXF] + fpc */
6872 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6874 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6878 /* 0xed13 undefined */
6879 /* 0xed16 undefined */
6880 /* 0xed20-0xed23 undefined */
6882 case 0xed24: /* LDE - load lengthened */
6883 case 0xed34: /* SQE - square root */
6884 case 0xed35: /* SQD - square root */
6885 case 0xed37: /* MEE - multiply */
6886 case 0xed64: /* LEY - load */
6887 case 0xed65: /* LDY - load */
6888 /* float destination */
6889 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6893 case 0xed25: /* LXD - load lengthened */
6894 case 0xed26: /* LXE - load lengthened */
6895 /* float pair destination */
6896 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
6898 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
6902 /* 0xed27-0xed2d undefined */
6904 case 0xed2e: /* MAE - multiply and add */
6905 case 0xed2f: /* MSE - multiply and subtract */
6906 case 0xed38: /* MAYL - multiply and add unnormalized */
6907 case 0xed39: /* MYL - multiply unnormalized */
6908 case 0xed3c: /* MAYH - multiply and add unnormalized */
6909 case 0xed3d: /* MYH - multiply unnormalized */
6910 case 0xed3e: /* MAD - multiply and add */
6911 case 0xed3f: /* MSD - multiply and subtract */
6912 /* float destination [RXF] */
6913 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6917 /* 0xed30-0xed33 undefined */
6918 /* 0xed36 undefined */
6920 case 0xed3a: /* MAY - multiply and add unnormalized */
6921 case 0xed3b: /* MY - multiply unnormalized */
6922 /* float pair destination [RXF] */
6923 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6925 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
6929 /* 0xed42-0xed47 undefind */
6931 case 0xed48: /* SLXT - shift significand left */
6932 case 0xed49: /* SRXT - shift significand right */
6933 case 0xedab: /* CXZT - convert from zoned */
6934 case 0xedaf: /* CXPT - convert from packed */
6935 /* float pair destination [RXF] + fpc */
6936 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
6938 if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
6940 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
6944 /* 0xed4a-0xed4f undefind */
6945 /* 0xed52-0xed53 undefind */
6946 /* 0xed56-0xed57 undefind */
6947 /* 0xed5a-0xed63 undefind */
6948 /* 0xed68-0xeda7 undefined */
6950 case 0xeda8: /* CZDT - convert to zoned */
6951 case 0xeda9: /* CZXT - convert to zoned */
6952 case 0xedac: /* CPDT - convert to packed */
6953 case 0xedad: /* CPXT - convert to packed */
6954 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6955 if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
6957 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
6961 /* 0xedb0-0xedff undefined */
6968 /* 0xe4 undefined */
6971 /* SSE/SIL-format instruction */
6974 /* 0xe500-0xe543 undefined, privileged, or unsupported */
6976 case 0xe544: /* MVHHI - move */
6977 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6978 if (record_full_arch_list_add_mem (oaddr, 2))
6982 /* 0xe545-0xe547 undefined */
6984 case 0xe548: /* MVGHI - move */
6985 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6986 if (record_full_arch_list_add_mem (oaddr, 8))
6990 /* 0xe549-0xe54b undefined */
6992 case 0xe54c: /* MVHI - move */
6993 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
6994 if (record_full_arch_list_add_mem (oaddr, 4))
6998 /* 0xe54d-0xe553 undefined */
7000 case 0xe554: /* CHHSI - compare halfword immediate */
7001 case 0xe555: /* CLHHSI - compare logical immediate */
7002 case 0xe558: /* CGHSI - compare halfword immediate */
7003 case 0xe559: /* CLGHSI - compare logical immediate */
7004 case 0xe55c: /* CHSI - compare halfword immediate */
7005 case 0xe55d: /* CLFHSI - compare logical immediate */
7006 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7010 /* 0xe556-0xe557 undefined */
7011 /* 0xe55a-0xe55b undefined */
7012 /* 0xe55e-0xe55f undefined */
7014 case 0xe560: /* TBEGIN - transaction begin */
7015 /* The transaction will be immediately aborted after this
7016 instruction, due to single-stepping. This instruction is
7017 only supported so that the program can fail a few times
7018 and go to the non-transactional fallback. */
7021 /* Transaction diagnostic block - user. */
7022 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7023 if (record_full_arch_list_add_mem (oaddr, 256))
7026 /* Transaction diagnostic block - supervisor. */
7027 if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM))
7029 if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM))
7031 if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM))
7033 if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM))
7035 for (i = 0; i < 16; i++)
7036 if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i))
7039 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7043 /* 0xe561 unsupported: TBEGINC */
7044 /* 0xe562-0xe5ff undefined */
7051 /* 0xe6 undefined */
7054 /* RIE/RIS/RRS-format instruction */
7055 switch (ibyte[0] << 8 | ibyte[5])
7057 /* 0xec00-0xec41 undefined */
7059 case 0xec42: /* LOCHI - load halfword immediate on condition */
7060 case 0xec51: /* RISBLG - rotate then insert selected bits low */
7061 /* 32-bit or native gpr destination */
7062 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7066 /* 0xec43 undefined */
7068 case 0xec44: /* BRXHG - branch relative on index high */
7069 case 0xec45: /* BRXLG - branch relative on index low or equal */
7070 case 0xec46: /* LOCGHI - load halfword immediate on condition */
7071 case 0xec59: /* RISBGN - rotate then insert selected bits */
7072 /* 64-bit gpr destination */
7073 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7077 /* 0xec47-0xec4d undefined */
7079 case 0xec4e: /* LOCHHI - load halfword immediate on condition */
7080 case 0xec5d: /* RISBHG - rotate then insert selected bits high */
7081 /* 32-bit high gpr destination */
7082 if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
7086 /* 0xec4f-0xec50 undefined */
7087 /* 0xec52-0xec53 undefined */
7089 case 0xec54: /* RNSBG - rotate then and selected bits */
7090 case 0xec55: /* RISBG - rotate then insert selected bits */
7091 case 0xec56: /* ROSBG - rotate then or selected bits */
7092 case 0xec57: /* RXSBG - rotate then xor selected bits */
7093 case 0xecd9: /* AGHIK - add immediate */
7094 case 0xecdb: /* ALGHSIK - add logical immediate */
7095 /* 64-bit gpr destination + flags */
7096 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7098 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7102 /* 0xec58 undefined */
7103 /* 0xec5a-0xec5c undefined */
7104 /* 0xec5e-0xec63 undefined */
7106 case 0xec64: /* CGRJ - compare and branch relative */
7107 case 0xec65: /* CLGRJ - compare logical and branch relative */
7108 case 0xec76: /* CRJ - compare and branch relative */
7109 case 0xec77: /* CLRJ - compare logical and branch relative */
7110 case 0xec7c: /* CGIJ - compare immediate and branch relative */
7111 case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */
7112 case 0xec7e: /* CIJ - compare immediate and branch relative */
7113 case 0xec7f: /* CLIJ - compare logical immediate and branch relative */
7114 case 0xece4: /* CGRB - compare and branch */
7115 case 0xece5: /* CLGRB - compare logical and branch */
7116 case 0xecf6: /* CRB - compare and branch */
7117 case 0xecf7: /* CLRB - compare logical and branch */
7118 case 0xecfc: /* CGIB - compare immediate and branch */
7119 case 0xecfd: /* CLGIB - compare logical immediate and branch */
7120 case 0xecfe: /* CIB - compare immediate and branch */
7121 case 0xecff: /* CLIB - compare logical immediate and branch */
7124 /* 0xec66-0xec6f undefined */
7126 case 0xec70: /* CGIT - compare immediate and trap */
7127 case 0xec71: /* CLGIT - compare logical immediate and trap */
7128 case 0xec72: /* CIT - compare immediate and trap */
7129 case 0xec73: /* CLFIT - compare logical immediate and trap */
7130 /* fpc only - including possible DXC write for trapping insns */
7131 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7135 /* 0xec74-0xec75 undefined */
7136 /* 0xec78-0xec7b undefined */
7138 /* 0xec80-0xecd7 undefined */
7140 case 0xecd8: /* AHIK - add immediate */
7141 case 0xecda: /* ALHSIK - add logical immediate */
7142 /* 32-bit gpr destination + flags */
7143 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7145 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7149 /* 0xecdc-0xece3 undefined */
7150 /* 0xece6-0xecf5 undefined */
7151 /* 0xecf8-0xecfb undefined */
7158 case 0xee: /* PLO - perform locked operation */
7159 regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
7160 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7161 oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
7164 uint8_t fc = tmp & 0xff;
7170 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7173 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
7177 case 0x01: /* CLG */
7179 if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
7182 if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
7186 case 0x02: /* CLGR */
7188 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7191 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7195 case 0x03: /* CLX */
7197 if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
7200 if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
7204 case 0x08: /* DCS */
7206 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
7209 case 0x0c: /* CSST */
7211 if (record_full_arch_list_add_mem (oaddr2, 4))
7215 case 0x14: /* CSTST */
7217 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7219 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7220 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7221 if (record_full_arch_list_add_mem (oaddr3, 4))
7224 case 0x10: /* CSDST */
7226 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7228 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7229 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7230 if (record_full_arch_list_add_mem (oaddr3, 4))
7233 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7235 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7236 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7237 if (record_full_arch_list_add_mem (oaddr3, 4))
7243 if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
7246 if (record_full_arch_list_add_mem (oaddr, 4))
7250 case 0x09: /* DCSG */
7252 if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
7256 case 0x15: /* CSTSTG */
7258 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7260 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7261 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7262 if (record_full_arch_list_add_mem (oaddr3, 8))
7265 case 0x11: /* CSDSTG */
7267 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7269 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7270 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7271 if (record_full_arch_list_add_mem (oaddr3, 8))
7274 case 0x0d: /* CSSTG */
7277 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7279 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7280 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7281 if (record_full_arch_list_add_mem (oaddr3, 8))
7284 case 0x05: /* CSG */
7286 if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
7289 if (record_full_arch_list_add_mem (oaddr, 8))
7293 case 0x0a: /* DCSGR */
7295 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7298 case 0x0e: /* CSSTGR */
7300 if (record_full_arch_list_add_mem (oaddr2, 8))
7304 case 0x16: /* CSTSTGR */
7306 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7308 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7309 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7310 if (record_full_arch_list_add_mem (oaddr3, 8))
7313 case 0x12: /* CSDSTGR */
7315 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7317 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7318 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7319 if (record_full_arch_list_add_mem (oaddr3, 8))
7322 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7324 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7325 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7326 if (record_full_arch_list_add_mem (oaddr3, 8))
7329 case 0x06: /* CSGR */
7332 if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
7335 if (record_full_arch_list_add_mem (oaddr, 8))
7339 case 0x0b: /* DCSX */
7341 if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
7345 case 0x17: /* CSTSTX */
7347 if (target_read_memory (oaddr2 + 0x88, buf, 8))
7349 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7350 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7351 if (record_full_arch_list_add_mem (oaddr3, 16))
7354 case 0x13: /* CSDSTX */
7356 if (target_read_memory (oaddr2 + 0x68, buf, 8))
7358 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7359 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7360 if (record_full_arch_list_add_mem (oaddr3, 16))
7363 case 0x0f: /* CSSTX */
7366 if (target_read_memory (oaddr2 + 0x48, buf, 8))
7368 oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
7369 oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
7370 if (record_full_arch_list_add_mem (oaddr3, 16))
7373 case 0x07: /* CSX */
7375 if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
7378 if (record_full_arch_list_add_mem (oaddr, 16))
7383 fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n",
7384 fc, paddress (gdbarch, addr));
7388 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7392 case 0xef: /* LMD - load multiple disjoint */
7393 for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
7394 if (s390_record_gpr_g (gdbarch, regcache, i))
7396 if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
7400 case 0xf0: /* SRP - shift and round decimal */
7401 case 0xf8: /* ZAP - zero and add */
7402 case 0xfa: /* AP - add decimal */
7403 case 0xfb: /* SP - subtract decimal */
7404 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7405 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7407 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7409 /* DXC may be written */
7410 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7414 case 0xf1: /* MVO - move with offset */
7415 case 0xf2: /* PACK - pack */
7416 case 0xf3: /* UNPK - unpack */
7417 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7418 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7422 /* 0xf4-0xf7 undefined */
7424 case 0xf9: /* CP - compare decimal */
7425 if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
7427 /* DXC may be written */
7428 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7432 case 0xfc: /* MP - multiply decimal */
7433 case 0xfd: /* DP - divide decimal */
7434 oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
7435 if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
7437 /* DXC may be written */
7438 if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
7442 /* 0xfe-0xff undefined */
7446 fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x "
7447 "at %s.\n", insn[0], paddress (gdbarch, addr));
7451 if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
7453 if (record_full_arch_list_add_end ())
7458 /* Initialize linux_record_tdep if not initialized yet. */
7461 s390_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
7462 enum s390_abi_kind abi)
7464 /* These values are the size of the type that will be used in a system
7465 call. They are obtained from Linux Kernel source. */
7467 if (abi == ABI_LINUX_ZSERIES)
7469 record_tdep->size_pointer = 8;
7470 /* no _old_kernel_stat */
7471 record_tdep->size_tms = 32;
7472 record_tdep->size_loff_t = 8;
7473 record_tdep->size_flock = 32;
7474 record_tdep->size_ustat = 32;
7475 record_tdep->size_old_sigaction = 32;
7476 record_tdep->size_old_sigset_t = 8;
7477 record_tdep->size_rlimit = 16;
7478 record_tdep->size_rusage = 144;
7479 record_tdep->size_timeval = 16;
7480 record_tdep->size_timezone = 8;
7481 /* old_[ug]id_t never used */
7482 record_tdep->size_fd_set = 128;
7483 record_tdep->size_old_dirent = 280;
7484 record_tdep->size_statfs = 88;
7485 record_tdep->size_statfs64 = 88;
7486 record_tdep->size_sockaddr = 16;
7487 record_tdep->size_int = 4;
7488 record_tdep->size_long = 8;
7489 record_tdep->size_ulong = 8;
7490 record_tdep->size_msghdr = 56;
7491 record_tdep->size_itimerval = 32;
7492 record_tdep->size_stat = 144;
7493 /* old_utsname unused */
7494 record_tdep->size_sysinfo = 112;
7495 record_tdep->size_msqid_ds = 120;
7496 record_tdep->size_shmid_ds = 112;
7497 record_tdep->size_new_utsname = 390;
7498 record_tdep->size_timex = 208;
7499 record_tdep->size_mem_dqinfo = 24;
7500 record_tdep->size_if_dqblk = 72;
7501 record_tdep->size_fs_quota_stat = 80;
7502 record_tdep->size_timespec = 16;
7503 record_tdep->size_pollfd = 8;
7504 record_tdep->size_NFS_FHSIZE = 32;
7505 record_tdep->size_knfsd_fh = 132;
7506 record_tdep->size_TASK_COMM_LEN = 16;
7507 record_tdep->size_sigaction = 32;
7508 record_tdep->size_sigset_t = 8;
7509 record_tdep->size_siginfo_t = 128;
7510 record_tdep->size_cap_user_data_t = 12;
7511 record_tdep->size_stack_t = 24;
7512 record_tdep->size_off_t = 8;
7514 record_tdep->size_gid_t = 4;
7515 record_tdep->size_uid_t = 4;
7516 record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */
7517 record_tdep->size_flock64 = 32;
7518 record_tdep->size_io_event = 32;
7519 record_tdep->size_iocb = 64;
7520 record_tdep->size_epoll_event = 16;
7521 record_tdep->size_itimerspec = 32;
7522 record_tdep->size_mq_attr = 64;
7523 record_tdep->size_termios = 36;
7524 record_tdep->size_termios2 = 44;
7525 record_tdep->size_pid_t = 4;
7526 record_tdep->size_winsize = 8;
7527 record_tdep->size_serial_struct = 72;
7528 record_tdep->size_serial_icounter_struct = 80;
7529 record_tdep->size_size_t = 8;
7530 record_tdep->size_iovec = 16;
7531 record_tdep->size_time_t = 8;
7533 else if (abi == ABI_LINUX_S390)
7535 record_tdep->size_pointer = 4;
7536 record_tdep->size__old_kernel_stat = 32;
7537 record_tdep->size_tms = 16;
7538 record_tdep->size_loff_t = 8;
7539 record_tdep->size_flock = 16;
7540 record_tdep->size_ustat = 20;
7541 record_tdep->size_old_sigaction = 16;
7542 record_tdep->size_old_sigset_t = 4;
7543 record_tdep->size_rlimit = 8;
7544 record_tdep->size_rusage = 72;
7545 record_tdep->size_timeval = 8;
7546 record_tdep->size_timezone = 8;
7547 record_tdep->size_old_gid_t = 2;
7548 record_tdep->size_old_uid_t = 2;
7549 record_tdep->size_fd_set = 128;
7550 record_tdep->size_old_dirent = 268;
7551 record_tdep->size_statfs = 64;
7552 record_tdep->size_statfs64 = 88;
7553 record_tdep->size_sockaddr = 16;
7554 record_tdep->size_int = 4;
7555 record_tdep->size_long = 4;
7556 record_tdep->size_ulong = 4;
7557 record_tdep->size_msghdr = 28;
7558 record_tdep->size_itimerval = 16;
7559 record_tdep->size_stat = 64;
7560 /* old_utsname unused */
7561 record_tdep->size_sysinfo = 64;
7562 record_tdep->size_msqid_ds = 88;
7563 record_tdep->size_shmid_ds = 84;
7564 record_tdep->size_new_utsname = 390;
7565 record_tdep->size_timex = 128;
7566 record_tdep->size_mem_dqinfo = 24;
7567 record_tdep->size_if_dqblk = 72;
7568 record_tdep->size_fs_quota_stat = 80;
7569 record_tdep->size_timespec = 8;
7570 record_tdep->size_pollfd = 8;
7571 record_tdep->size_NFS_FHSIZE = 32;
7572 record_tdep->size_knfsd_fh = 132;
7573 record_tdep->size_TASK_COMM_LEN = 16;
7574 record_tdep->size_sigaction = 20;
7575 record_tdep->size_sigset_t = 8;
7576 record_tdep->size_siginfo_t = 128;
7577 record_tdep->size_cap_user_data_t = 12;
7578 record_tdep->size_stack_t = 12;
7579 record_tdep->size_off_t = 4;
7580 record_tdep->size_stat64 = 104;
7581 record_tdep->size_gid_t = 4;
7582 record_tdep->size_uid_t = 4;
7583 record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */
7584 record_tdep->size_flock64 = 32;
7585 record_tdep->size_io_event = 32;
7586 record_tdep->size_iocb = 64;
7587 record_tdep->size_epoll_event = 16;
7588 record_tdep->size_itimerspec = 16;
7589 record_tdep->size_mq_attr = 32;
7590 record_tdep->size_termios = 36;
7591 record_tdep->size_termios2 = 44;
7592 record_tdep->size_pid_t = 4;
7593 record_tdep->size_winsize = 8;
7594 record_tdep->size_serial_struct = 60;
7595 record_tdep->size_serial_icounter_struct = 80;
7596 record_tdep->size_size_t = 4;
7597 record_tdep->size_iovec = 8;
7598 record_tdep->size_time_t = 4;
7601 /* These values are the second argument of system call "sys_fcntl"
7602 and "sys_fcntl64". They are obtained from Linux Kernel source. */
7603 record_tdep->fcntl_F_GETLK = 5;
7604 record_tdep->fcntl_F_GETLK64 = 12;
7605 record_tdep->fcntl_F_SETLK64 = 13;
7606 record_tdep->fcntl_F_SETLKW64 = 14;
7608 record_tdep->arg1 = S390_R2_REGNUM;
7609 record_tdep->arg2 = S390_R3_REGNUM;
7610 record_tdep->arg3 = S390_R4_REGNUM;
7611 record_tdep->arg4 = S390_R5_REGNUM;
7612 record_tdep->arg5 = S390_R6_REGNUM;
7614 /* These values are the second argument of system call "sys_ioctl".
7615 They are obtained from Linux Kernel source.
7616 See arch/s390/include/uapi/asm/ioctls.h. */
7618 record_tdep->ioctl_TCGETS = 0x5401;
7619 record_tdep->ioctl_TCSETS = 0x5402;
7620 record_tdep->ioctl_TCSETSW = 0x5403;
7621 record_tdep->ioctl_TCSETSF = 0x5404;
7622 record_tdep->ioctl_TCGETA = 0x5405;
7623 record_tdep->ioctl_TCSETA = 0x5406;
7624 record_tdep->ioctl_TCSETAW = 0x5407;
7625 record_tdep->ioctl_TCSETAF = 0x5408;
7626 record_tdep->ioctl_TCSBRK = 0x5409;
7627 record_tdep->ioctl_TCXONC = 0x540a;
7628 record_tdep->ioctl_TCFLSH = 0x540b;
7629 record_tdep->ioctl_TIOCEXCL = 0x540c;
7630 record_tdep->ioctl_TIOCNXCL = 0x540d;
7631 record_tdep->ioctl_TIOCSCTTY = 0x540e;
7632 record_tdep->ioctl_TIOCGPGRP = 0x540f;
7633 record_tdep->ioctl_TIOCSPGRP = 0x5410;
7634 record_tdep->ioctl_TIOCOUTQ = 0x5411;
7635 record_tdep->ioctl_TIOCSTI = 0x5412;
7636 record_tdep->ioctl_TIOCGWINSZ = 0x5413;
7637 record_tdep->ioctl_TIOCSWINSZ = 0x5414;
7638 record_tdep->ioctl_TIOCMGET = 0x5415;
7639 record_tdep->ioctl_TIOCMBIS = 0x5416;
7640 record_tdep->ioctl_TIOCMBIC = 0x5417;
7641 record_tdep->ioctl_TIOCMSET = 0x5418;
7642 record_tdep->ioctl_TIOCGSOFTCAR = 0x5419;
7643 record_tdep->ioctl_TIOCSSOFTCAR = 0x541a;
7644 record_tdep->ioctl_FIONREAD = 0x541b;
7645 record_tdep->ioctl_TIOCINQ = 0x541b; /* alias */
7646 record_tdep->ioctl_TIOCLINUX = 0x541c;
7647 record_tdep->ioctl_TIOCCONS = 0x541d;
7648 record_tdep->ioctl_TIOCGSERIAL = 0x541e;
7649 record_tdep->ioctl_TIOCSSERIAL = 0x541f;
7650 record_tdep->ioctl_TIOCPKT = 0x5420;
7651 record_tdep->ioctl_FIONBIO = 0x5421;
7652 record_tdep->ioctl_TIOCNOTTY = 0x5422;
7653 record_tdep->ioctl_TIOCSETD = 0x5423;
7654 record_tdep->ioctl_TIOCGETD = 0x5424;
7655 record_tdep->ioctl_TCSBRKP = 0x5425;
7656 record_tdep->ioctl_TIOCSBRK = 0x5427;
7657 record_tdep->ioctl_TIOCCBRK = 0x5428;
7658 record_tdep->ioctl_TIOCGSID = 0x5429;
7659 record_tdep->ioctl_TCGETS2 = 0x802c542a;
7660 record_tdep->ioctl_TCSETS2 = 0x402c542b;
7661 record_tdep->ioctl_TCSETSW2 = 0x402c542c;
7662 record_tdep->ioctl_TCSETSF2 = 0x402c542d;
7663 record_tdep->ioctl_TIOCGPTN = 0x80045430;
7664 record_tdep->ioctl_TIOCSPTLCK = 0x40045431;
7665 record_tdep->ioctl_FIONCLEX = 0x5450;
7666 record_tdep->ioctl_FIOCLEX = 0x5451;
7667 record_tdep->ioctl_FIOASYNC = 0x5452;
7668 record_tdep->ioctl_TIOCSERCONFIG = 0x5453;
7669 record_tdep->ioctl_TIOCSERGWILD = 0x5454;
7670 record_tdep->ioctl_TIOCSERSWILD = 0x5455;
7671 record_tdep->ioctl_TIOCGLCKTRMIOS = 0x5456;
7672 record_tdep->ioctl_TIOCSLCKTRMIOS = 0x5457;
7673 record_tdep->ioctl_TIOCSERGSTRUCT = 0x5458;
7674 record_tdep->ioctl_TIOCSERGETLSR = 0x5459;
7675 record_tdep->ioctl_TIOCSERGETMULTI = 0x545a;
7676 record_tdep->ioctl_TIOCSERSETMULTI = 0x545b;
7677 record_tdep->ioctl_TIOCMIWAIT = 0x545c;
7678 record_tdep->ioctl_TIOCGICOUNT = 0x545d;
7679 record_tdep->ioctl_FIOQSIZE = 0x545e;
7682 /* Set up gdbarch struct. */
7684 static struct gdbarch *
7685 s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
7687 const struct target_desc *tdesc = info.target_desc;
7688 struct tdesc_arch_data *tdesc_data = NULL;
7689 struct gdbarch *gdbarch;
7690 struct gdbarch_tdep *tdep;
7691 enum s390_abi_kind tdep_abi;
7692 enum s390_vector_abi_kind vector_abi;
7694 int have_linux_v1 = 0;
7695 int have_linux_v2 = 0;
7698 int first_pseudo_reg, last_pseudo_reg;
7699 static const char *const stap_register_prefixes[] = { "%", NULL };
7700 static const char *const stap_register_indirection_prefixes[] = { "(",
7702 static const char *const stap_register_indirection_suffixes[] = { ")",
7705 /* Default ABI and register size. */
7706 switch (info.bfd_arch_info->mach)
7708 case bfd_mach_s390_31:
7709 tdep_abi = ABI_LINUX_S390;
7712 case bfd_mach_s390_64:
7713 tdep_abi = ABI_LINUX_ZSERIES;
7720 /* Use default target description if none provided by the target. */
7721 if (!tdesc_has_registers (tdesc))
7723 if (tdep_abi == ABI_LINUX_S390)
7724 tdesc = tdesc_s390_linux32;
7726 tdesc = tdesc_s390x_linux64;
7729 /* Check any target description for validity. */
7730 if (tdesc_has_registers (tdesc))
7732 static const char *const gprs[] = {
7733 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
7734 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
7736 static const char *const fprs[] = {
7737 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
7738 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15"
7740 static const char *const acrs[] = {
7741 "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7",
7742 "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15"
7744 static const char *const gprs_lower[] = {
7745 "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
7746 "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l"
7748 static const char *const gprs_upper[] = {
7749 "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
7750 "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h"
7752 static const char *const tdb_regs[] = {
7753 "tdb0", "tac", "tct", "atia",
7754 "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7",
7755 "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
7757 static const char *const vxrs_low[] = {
7758 "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l",
7759 "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l",
7761 static const char *const vxrs_high[] = {
7762 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
7763 "v25", "v26", "v27", "v28", "v29", "v30", "v31",
7765 const struct tdesc_feature *feature;
7768 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core");
7769 if (feature == NULL)
7772 tdesc_data = tdesc_data_alloc ();
7774 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7775 S390_PSWM_REGNUM, "pswm");
7776 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7777 S390_PSWA_REGNUM, "pswa");
7779 if (tdesc_unnumbered_register (feature, "r0"))
7781 for (i = 0; i < 16; i++)
7782 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7783 S390_R0_REGNUM + i, gprs[i]);
7789 for (i = 0; i < 16; i++)
7790 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7793 for (i = 0; i < 16; i++)
7794 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7795 S390_R0_UPPER_REGNUM + i,
7799 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr");
7800 if (feature == NULL)
7802 tdesc_data_cleanup (tdesc_data);
7806 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7807 S390_FPC_REGNUM, "fpc");
7808 for (i = 0; i < 16; i++)
7809 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7810 S390_F0_REGNUM + i, fprs[i]);
7812 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr");
7813 if (feature == NULL)
7815 tdesc_data_cleanup (tdesc_data);
7819 for (i = 0; i < 16; i++)
7820 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7821 S390_A0_REGNUM + i, acrs[i]);
7823 /* Optional GNU/Linux-specific "registers". */
7824 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux");
7827 tdesc_numbered_register (feature, tdesc_data,
7828 S390_ORIG_R2_REGNUM, "orig_r2");
7830 if (tdesc_numbered_register (feature, tdesc_data,
7831 S390_LAST_BREAK_REGNUM, "last_break"))
7834 if (tdesc_numbered_register (feature, tdesc_data,
7835 S390_SYSTEM_CALL_REGNUM, "system_call"))
7838 if (have_linux_v2 > have_linux_v1)
7842 /* Transaction diagnostic block. */
7843 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb");
7846 for (i = 0; i < ARRAY_SIZE (tdb_regs); i++)
7847 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7848 S390_TDB_DWORD0_REGNUM + i,
7853 /* Vector registers. */
7854 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx");
7857 for (i = 0; i < 16; i++)
7858 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7859 S390_V0_LOWER_REGNUM + i,
7861 for (i = 0; i < 16; i++)
7862 valid_p &= tdesc_numbered_register (feature, tdesc_data,
7863 S390_V16_REGNUM + i,
7870 tdesc_data_cleanup (tdesc_data);
7875 /* Determine vector ABI. */
7876 vector_abi = S390_VECTOR_ABI_NONE;
7879 && info.abfd != NULL
7880 && info.abfd->format == bfd_object
7881 && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour
7882 && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU,
7883 Tag_GNU_S390_ABI_Vector) == 2)
7884 vector_abi = S390_VECTOR_ABI_128;
7887 /* Find a candidate among extant architectures. */
7888 for (arches = gdbarch_list_lookup_by_info (arches, &info);
7890 arches = gdbarch_list_lookup_by_info (arches->next, &info))
7892 tdep = gdbarch_tdep (arches->gdbarch);
7895 if (tdep->abi != tdep_abi)
7897 if (tdep->vector_abi != vector_abi)
7899 if ((tdep->gpr_full_regnum != -1) != have_upper)
7901 if (tdesc_data != NULL)
7902 tdesc_data_cleanup (tdesc_data);
7903 return arches->gdbarch;
7906 /* Otherwise create a new gdbarch for the specified machine type. */
7907 tdep = XCNEW (struct gdbarch_tdep);
7908 tdep->abi = tdep_abi;
7909 tdep->vector_abi = vector_abi;
7910 tdep->have_linux_v1 = have_linux_v1;
7911 tdep->have_linux_v2 = have_linux_v2;
7912 tdep->have_tdb = have_tdb;
7913 gdbarch = gdbarch_alloc (&info, tdep);
7915 set_gdbarch_believe_pcc_promotion (gdbarch, 0);
7916 set_gdbarch_char_signed (gdbarch, 0);
7918 /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
7919 We can safely let them default to 128-bit, since the debug info
7920 will give the size of type actually used in each case. */
7921 set_gdbarch_long_double_bit (gdbarch, 128);
7922 set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
7924 /* Amount PC must be decremented by after a breakpoint. This is
7925 often the number of bytes returned by gdbarch_breakpoint_from_pc but not
7927 set_gdbarch_decr_pc_after_break (gdbarch, 2);
7928 /* Stack grows downward. */
7929 set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
7930 set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc);
7931 set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind);
7932 set_gdbarch_software_single_step (gdbarch, s390_software_single_step);
7933 set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep);
7934 set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue);
7935 set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p);
7937 set_gdbarch_num_regs (gdbarch, S390_NUM_REGS);
7938 set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM);
7939 set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM);
7940 set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
7941 set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
7942 set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
7943 set_gdbarch_core_read_description (gdbarch, s390_core_read_description);
7944 set_gdbarch_iterate_over_regset_sections (gdbarch,
7945 s390_iterate_over_regset_sections);
7946 set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register);
7947 set_gdbarch_write_pc (gdbarch, s390_write_pc);
7948 set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers);
7949 set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read);
7950 set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write);
7951 set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);
7952 set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type);
7953 set_tdesc_pseudo_register_reggroup_p (gdbarch,
7954 s390_pseudo_register_reggroup_p);
7955 set_gdbarch_ax_pseudo_register_collect (gdbarch,
7956 s390_ax_pseudo_register_collect);
7957 set_gdbarch_ax_pseudo_register_push_stack
7958 (gdbarch, s390_ax_pseudo_register_push_stack);
7959 set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address);
7960 tdesc_use_registers (gdbarch, tdesc, tdesc_data);
7961 set_gdbarch_register_name (gdbarch, s390_register_name);
7963 /* Assign pseudo register numbers. */
7964 first_pseudo_reg = gdbarch_num_regs (gdbarch);
7965 last_pseudo_reg = first_pseudo_reg;
7966 tdep->gpr_full_regnum = -1;
7969 tdep->gpr_full_regnum = last_pseudo_reg;
7970 last_pseudo_reg += 16;
7972 tdep->v0_full_regnum = -1;
7975 tdep->v0_full_regnum = last_pseudo_reg;
7976 last_pseudo_reg += 16;
7978 tdep->pc_regnum = last_pseudo_reg++;
7979 tdep->cc_regnum = last_pseudo_reg++;
7980 set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum);
7981 set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg);
7983 /* Inferior function calls. */
7984 set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call);
7985 set_gdbarch_dummy_id (gdbarch, s390_dummy_id);
7986 set_gdbarch_frame_align (gdbarch, s390_frame_align);
7987 set_gdbarch_return_value (gdbarch, s390_return_value);
7989 /* Syscall handling. */
7990 set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number);
7992 /* Frame handling. */
7993 dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg);
7994 dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum);
7995 dwarf2_append_unwinders (gdbarch);
7996 frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
7997 frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind);
7998 frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind);
7999 frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind);
8000 frame_base_set_default (gdbarch, &s390_frame_base);
8001 set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc);
8002 set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp);
8004 /* Displaced stepping. */
8005 set_gdbarch_displaced_step_copy_insn (gdbarch,
8006 s390_displaced_step_copy_insn);
8007 set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup);
8008 set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
8009 set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE);
8011 /* Note that GNU/Linux is the only OS supported on this
8013 linux_init_abi (info, gdbarch);
8017 case ABI_LINUX_S390:
8018 set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
8019 set_solib_svr4_fetch_link_map_offsets
8020 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
8022 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390);
8025 case ABI_LINUX_ZSERIES:
8026 set_gdbarch_long_bit (gdbarch, 64);
8027 set_gdbarch_long_long_bit (gdbarch, 64);
8028 set_gdbarch_ptr_bit (gdbarch, 64);
8029 set_solib_svr4_fetch_link_map_offsets
8030 (gdbarch, svr4_lp64_fetch_link_map_offsets);
8031 set_gdbarch_address_class_type_flags (gdbarch,
8032 s390_address_class_type_flags);
8033 set_gdbarch_address_class_type_flags_to_name (gdbarch,
8034 s390_address_class_type_flags_to_name);
8035 set_gdbarch_address_class_name_to_type_flags (gdbarch,
8036 s390_address_class_name_to_type_flags);
8037 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X);
8041 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
8043 /* Enable TLS support. */
8044 set_gdbarch_fetch_tls_load_module_address (gdbarch,
8045 svr4_fetch_objfile_link_map);
8047 /* SystemTap functions. */
8048 set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
8049 set_gdbarch_stap_register_indirection_prefixes (gdbarch,
8050 stap_register_indirection_prefixes);
8051 set_gdbarch_stap_register_indirection_suffixes (gdbarch,
8052 stap_register_indirection_suffixes);
8053 set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand);
8054 set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
8055 set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp);
8057 /* Support reverse debugging. */
8059 set_gdbarch_process_record (gdbarch, s390_process_record);
8060 set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal);
8062 s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390);
8063 s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES);
8065 set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options);
8066 set_gdbarch_valid_disassembler_options (gdbarch,
8067 disassembler_options_s390 ());
8073 extern initialize_file_ftype _initialize_s390_tdep; /* -Wmissing-prototypes */
8076 _initialize_s390_tdep (void)
8078 /* Hook us into the gdbarch mechanism. */
8079 register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init);
8081 /* Initialize the GNU/Linux target descriptions. */
8082 initialize_tdesc_s390_linux32 ();
8083 initialize_tdesc_s390_linux32v1 ();
8084 initialize_tdesc_s390_linux32v2 ();
8085 initialize_tdesc_s390_linux64 ();
8086 initialize_tdesc_s390_linux64v1 ();
8087 initialize_tdesc_s390_linux64v2 ();
8088 initialize_tdesc_s390_te_linux64 ();
8089 initialize_tdesc_s390_vx_linux64 ();
8090 initialize_tdesc_s390_tevx_linux64 ();
8091 initialize_tdesc_s390x_linux64 ();
8092 initialize_tdesc_s390x_linux64v1 ();
8093 initialize_tdesc_s390x_linux64v2 ();
8094 initialize_tdesc_s390x_te_linux64 ();
8095 initialize_tdesc_s390x_vx_linux64 ();
8096 initialize_tdesc_s390x_tevx_linux64 ();