1 /* Target-dependent code for s390.
3 Copyright (C) 2001-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "arch-utils.h"
24 #include "dwarf2-frame.h"
27 #include "frame-base.h"
28 #include "frame-unwind.h"
32 #include "linux-tdep.h"
35 #include "record-full.h"
37 #include "reggroups.h"
38 #include "s390-tdep.h"
39 #include "target-descriptions.h"
40 #include "trad-frame.h"
43 #include "features/s390-linux32.c"
44 #include "features/s390x-linux64.c"
46 /* Holds the current set of options to be passed to the disassembler. */
47 static char *s390_disassembler_options
;
51 constexpr gdb_byte s390_break_insn
[] = { 0x0, 0x1 };
53 typedef BP_MANIPULATION (s390_break_insn
) s390_breakpoint
;
57 /* Implement the gdbarch type alignment method. */
60 s390_type_align (gdbarch
*gdbarch
, struct type
*t
)
62 t
= check_typedef (t
);
64 if (TYPE_LENGTH (t
) > 8)
66 switch (TYPE_CODE (t
))
74 case TYPE_CODE_DECFLOAT
:
86 /* Decoding S/390 instructions. */
88 /* Read a single instruction from address AT. */
91 s390_readinstruction (bfd_byte instr
[], CORE_ADDR at
)
93 static int s390_instrlen
[] = { 2, 4, 4, 6 };
96 if (target_read_memory (at
, &instr
[0], 2))
98 instrlen
= s390_instrlen
[instr
[0] >> 6];
101 if (target_read_memory (at
+ 2, &instr
[2], instrlen
- 2))
107 /* The functions below are for recognizing and decoding S/390
108 instructions of various formats. Each of them checks whether INSN
109 is an instruction of the given format, with the specified opcodes.
110 If it is, it sets the remaining arguments to the values of the
111 instruction's fields, and returns a non-zero value; otherwise, it
114 These functions' arguments appear in the order they appear in the
115 instruction, not in the machine-language form. So, opcodes always
116 come first, even though they're sometimes scattered around the
117 instructions. And displacements appear before base and extension
118 registers, as they do in the assembly syntax, not at the end, as
119 they do in the machine language.
121 Test for RI instruction format. */
124 is_ri (bfd_byte
*insn
, int op1
, int op2
, unsigned int *r1
, int *i2
)
126 if (insn
[0] == op1
&& (insn
[1] & 0xf) == op2
)
128 *r1
= (insn
[1] >> 4) & 0xf;
129 /* i2 is a 16-bit signed quantity. */
130 *i2
= (((insn
[2] << 8) | insn
[3]) ^ 0x8000) - 0x8000;
137 /* Test for RIL instruction format. See comment on is_ri for details. */
140 is_ril (bfd_byte
*insn
, int op1
, int op2
,
141 unsigned int *r1
, int *i2
)
143 if (insn
[0] == op1
&& (insn
[1] & 0xf) == op2
)
145 *r1
= (insn
[1] >> 4) & 0xf;
146 /* i2 is a signed quantity. If the host 'int' is 32 bits long,
147 no sign extension is necessary, but we don't want to assume
149 *i2
= (((insn
[2] << 24)
152 | (insn
[5])) ^ 0x80000000) - 0x80000000;
159 /* Test for RR instruction format. See comment on is_ri for details. */
162 is_rr (bfd_byte
*insn
, int op
, unsigned int *r1
, unsigned int *r2
)
166 *r1
= (insn
[1] >> 4) & 0xf;
174 /* Test for RRE instruction format. See comment on is_ri for details. */
177 is_rre (bfd_byte
*insn
, int op
, unsigned int *r1
, unsigned int *r2
)
179 if (((insn
[0] << 8) | insn
[1]) == op
)
181 /* Yes, insn[3]. insn[2] is unused in RRE format. */
182 *r1
= (insn
[3] >> 4) & 0xf;
190 /* Test for RS instruction format. See comment on is_ri for details. */
193 is_rs (bfd_byte
*insn
, int op
,
194 unsigned int *r1
, unsigned int *r3
, int *d2
, unsigned int *b2
)
198 *r1
= (insn
[1] >> 4) & 0xf;
200 *b2
= (insn
[2] >> 4) & 0xf;
201 *d2
= ((insn
[2] & 0xf) << 8) | insn
[3];
208 /* Test for RSY instruction format. See comment on is_ri for details. */
211 is_rsy (bfd_byte
*insn
, int op1
, int op2
,
212 unsigned int *r1
, unsigned int *r3
, int *d2
, unsigned int *b2
)
217 *r1
= (insn
[1] >> 4) & 0xf;
219 *b2
= (insn
[2] >> 4) & 0xf;
220 /* The 'long displacement' is a 20-bit signed integer. */
221 *d2
= ((((insn
[2] & 0xf) << 8) | insn
[3] | (insn
[4] << 12))
222 ^ 0x80000) - 0x80000;
229 /* Test for RX instruction format. See comment on is_ri for details. */
232 is_rx (bfd_byte
*insn
, int op
,
233 unsigned int *r1
, int *d2
, unsigned int *x2
, unsigned int *b2
)
237 *r1
= (insn
[1] >> 4) & 0xf;
239 *b2
= (insn
[2] >> 4) & 0xf;
240 *d2
= ((insn
[2] & 0xf) << 8) | insn
[3];
247 /* Test for RXY instruction format. See comment on is_ri for details. */
250 is_rxy (bfd_byte
*insn
, int op1
, int op2
,
251 unsigned int *r1
, int *d2
, unsigned int *x2
, unsigned int *b2
)
256 *r1
= (insn
[1] >> 4) & 0xf;
258 *b2
= (insn
[2] >> 4) & 0xf;
259 /* The 'long displacement' is a 20-bit signed integer. */
260 *d2
= ((((insn
[2] & 0xf) << 8) | insn
[3] | (insn
[4] << 12))
261 ^ 0x80000) - 0x80000;
268 /* A helper for s390_software_single_step, decides if an instruction
269 is a partial-execution instruction that needs to be executed until
270 completion when in record mode. If it is, returns 1 and writes
271 instruction length to a pointer. */
274 s390_is_partial_instruction (struct gdbarch
*gdbarch
, CORE_ADDR loc
, int *len
)
276 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
279 insn
= read_memory_integer (loc
, 2, byte_order
);
283 case 0xa8: /* MVCLE */
289 insn
= read_memory_integer (loc
+ 4, 2, byte_order
);
290 if ((insn
& 0xff) == 0x8e)
302 case 0xb255: /* MVST */
303 case 0xb263: /* CMPSC */
304 case 0xb2a5: /* TRE */
305 case 0xb2a6: /* CU21 */
306 case 0xb2a7: /* CU12 */
307 case 0xb9b0: /* CU14 */
308 case 0xb9b1: /* CU24 */
309 case 0xb9b2: /* CU41 */
310 case 0xb9b3: /* CU42 */
311 case 0xb92a: /* KMF */
312 case 0xb92b: /* KMO */
313 case 0xb92f: /* KMC */
314 case 0xb92d: /* KMCTR */
315 case 0xb92e: /* KM */
316 case 0xb93c: /* PPNO */
317 case 0xb990: /* TRTT */
318 case 0xb991: /* TRTO */
319 case 0xb992: /* TROT */
320 case 0xb993: /* TROO */
328 /* Implement the "software_single_step" gdbarch method, needed to single step
329 through instructions like MVCLE in record mode, to make sure they are
330 executed to completion. Without that, record will save the full length
331 of destination buffer on every iteration, even though the CPU will only
332 process about 4kiB of it each time, leading to O(n**2) memory and time
335 static std::vector
<CORE_ADDR
>
336 s390_software_single_step (struct regcache
*regcache
)
338 struct gdbarch
*gdbarch
= regcache
->arch ();
339 CORE_ADDR loc
= regcache_read_pc (regcache
);
340 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
344 /* Special handling only if recording. */
345 if (!record_full_is_used ())
348 /* First, match a partial instruction. */
349 if (!s390_is_partial_instruction (gdbarch
, loc
, &len
))
354 /* Second, look for a branch back to it. */
355 insn
= read_memory_integer (loc
, 2, byte_order
);
356 if (insn
!= 0xa714) /* BRC with mask 1 */
359 insn
= read_memory_integer (loc
+ 2, 2, byte_order
);
360 if (insn
!= (uint16_t) -(len
/ 2))
365 /* Found it, step past the whole thing. */
369 /* Displaced stepping. */
371 /* Return true if INSN is a non-branch RIL-b or RIL-c format
375 is_non_branch_ril (gdb_byte
*insn
)
377 gdb_byte op1
= insn
[0];
381 gdb_byte op2
= insn
[1] & 0x0f;
385 case 0x02: /* llhrl */
386 case 0x04: /* lghrl */
387 case 0x05: /* lhrl */
388 case 0x06: /* llghrl */
389 case 0x07: /* sthrl */
390 case 0x08: /* lgrl */
391 case 0x0b: /* stgrl */
392 case 0x0c: /* lgfrl */
394 case 0x0e: /* llgfrl */
395 case 0x0f: /* strl */
399 else if (op1
== 0xc6)
401 gdb_byte op2
= insn
[1] & 0x0f;
405 case 0x00: /* exrl */
406 case 0x02: /* pfdrl */
407 case 0x04: /* cghrl */
408 case 0x05: /* chrl */
409 case 0x06: /* clghrl */
410 case 0x07: /* clhrl */
411 case 0x08: /* cgrl */
412 case 0x0a: /* clgrl */
413 case 0x0c: /* cgfrl */
415 case 0x0e: /* clgfrl */
416 case 0x0f: /* clrl */
424 typedef buf_displaced_step_closure s390_displaced_step_closure
;
426 /* Implementation of gdbarch_displaced_step_copy_insn. */
428 static struct displaced_step_closure
*
429 s390_displaced_step_copy_insn (struct gdbarch
*gdbarch
,
430 CORE_ADDR from
, CORE_ADDR to
,
431 struct regcache
*regs
)
433 size_t len
= gdbarch_max_insn_length (gdbarch
);
434 std::unique_ptr
<s390_displaced_step_closure
> closure
435 (new s390_displaced_step_closure (len
));
436 gdb_byte
*buf
= closure
->buf
.data ();
438 read_memory (from
, buf
, len
);
440 /* Adjust the displacement field of PC-relative RIL instructions,
441 except branches. The latter are handled in the fixup hook. */
442 if (is_non_branch_ril (buf
))
446 offset
= extract_signed_integer (buf
+ 2, 4, BFD_ENDIAN_BIG
);
447 offset
= (from
- to
+ offset
* 2) / 2;
449 /* If the instruction is too far from the jump pad, punt. This
450 will usually happen with instructions in shared libraries.
451 We could probably support these by rewriting them to be
452 absolute or fully emulating them. */
453 if (offset
< INT32_MIN
|| offset
> INT32_MAX
)
455 /* Let the core fall back to stepping over the breakpoint
459 fprintf_unfiltered (gdb_stdlog
,
460 "displaced: can't displaced step "
461 "RIL instruction: offset %s out of range\n",
468 store_signed_integer (buf
+ 2, 4, BFD_ENDIAN_BIG
, offset
);
471 write_memory (to
, buf
, len
);
475 fprintf_unfiltered (gdb_stdlog
, "displaced: copy %s->%s: ",
476 paddress (gdbarch
, from
), paddress (gdbarch
, to
));
477 displaced_step_dump_bytes (gdb_stdlog
, buf
, len
);
480 return closure
.release ();
483 /* Fix up the state of registers and memory after having single-stepped
484 a displaced instruction. */
487 s390_displaced_step_fixup (struct gdbarch
*gdbarch
,
488 struct displaced_step_closure
*closure_
,
489 CORE_ADDR from
, CORE_ADDR to
,
490 struct regcache
*regs
)
492 /* Our closure is a copy of the instruction. */
493 s390_displaced_step_closure
*closure
494 = (s390_displaced_step_closure
*) closure_
;
495 gdb_byte
*insn
= closure
->buf
.data ();
496 static int s390_instrlen
[] = { 2, 4, 4, 6 };
497 int insnlen
= s390_instrlen
[insn
[0] >> 6];
499 /* Fields for various kinds of instructions. */
500 unsigned int b2
, r1
, r2
, x2
, r3
;
503 /* Get current PC and addressing mode bit. */
504 CORE_ADDR pc
= regcache_read_pc (regs
);
507 if (register_size (gdbarch
, S390_PSWA_REGNUM
) == 4)
509 regcache_cooked_read_unsigned (regs
, S390_PSWA_REGNUM
, &amode
);
514 fprintf_unfiltered (gdb_stdlog
,
515 "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n",
516 paddress (gdbarch
, from
), paddress (gdbarch
, to
),
517 paddress (gdbarch
, pc
), insnlen
, (int) amode
);
519 /* Handle absolute branch and save instructions. */
520 if (is_rr (insn
, op_basr
, &r1
, &r2
)
521 || is_rx (insn
, op_bas
, &r1
, &d2
, &x2
, &b2
))
523 /* Recompute saved return address in R1. */
524 regcache_cooked_write_unsigned (regs
, S390_R0_REGNUM
+ r1
,
525 amode
| (from
+ insnlen
));
526 /* Update PC iff the instruction doesn't actually branch. */
527 if (insn
[0] == op_basr
&& r2
== 0)
528 regcache_write_pc (regs
, from
+ insnlen
);
531 /* Handle absolute branch instructions. */
532 else if (is_rr (insn
, op_bcr
, &r1
, &r2
)
533 || is_rx (insn
, op_bc
, &r1
, &d2
, &x2
, &b2
)
534 || is_rr (insn
, op_bctr
, &r1
, &r2
)
535 || is_rre (insn
, op_bctgr
, &r1
, &r2
)
536 || is_rx (insn
, op_bct
, &r1
, &d2
, &x2
, &b2
)
537 || is_rxy (insn
, op1_bctg
, op2_brctg
, &r1
, &d2
, &x2
, &b2
)
538 || is_rs (insn
, op_bxh
, &r1
, &r3
, &d2
, &b2
)
539 || is_rsy (insn
, op1_bxhg
, op2_bxhg
, &r1
, &r3
, &d2
, &b2
)
540 || is_rs (insn
, op_bxle
, &r1
, &r3
, &d2
, &b2
)
541 || is_rsy (insn
, op1_bxleg
, op2_bxleg
, &r1
, &r3
, &d2
, &b2
))
543 /* Update PC iff branch was *not* taken. */
544 if (pc
== to
+ insnlen
)
545 regcache_write_pc (regs
, from
+ insnlen
);
548 /* Handle PC-relative branch and save instructions. */
549 else if (is_ri (insn
, op1_bras
, op2_bras
, &r1
, &i2
)
550 || is_ril (insn
, op1_brasl
, op2_brasl
, &r1
, &i2
))
553 regcache_write_pc (regs
, pc
- to
+ from
);
554 /* Recompute saved return address in R1. */
555 regcache_cooked_write_unsigned (regs
, S390_R0_REGNUM
+ r1
,
556 amode
| (from
+ insnlen
));
559 /* Handle LOAD ADDRESS RELATIVE LONG. */
560 else if (is_ril (insn
, op1_larl
, op2_larl
, &r1
, &i2
))
563 regcache_write_pc (regs
, from
+ insnlen
);
564 /* Recompute output address in R1. */
565 regcache_cooked_write_unsigned (regs
, S390_R0_REGNUM
+ r1
,
566 amode
| (from
+ i2
* 2));
569 /* If we executed a breakpoint instruction, point PC right back at it. */
570 else if (insn
[0] == 0x0 && insn
[1] == 0x1)
571 regcache_write_pc (regs
, from
);
573 /* For any other insn, adjust PC by negated displacement. PC then
574 points right after the original instruction, except for PC-relative
575 branches, where it points to the adjusted branch target. */
577 regcache_write_pc (regs
, pc
- to
+ from
);
580 fprintf_unfiltered (gdb_stdlog
,
581 "displaced: (s390) pc is now %s\n",
582 paddress (gdbarch
, regcache_read_pc (regs
)));
585 /* Implement displaced_step_hw_singlestep gdbarch method. */
588 s390_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
,
589 struct displaced_step_closure
*closure
)
594 /* Prologue analysis. */
596 struct s390_prologue_data
{
599 struct pv_area
*stack
;
601 /* The size and byte-order of a GPR or FPR. */
604 enum bfd_endian byte_order
;
606 /* The general-purpose registers. */
607 pv_t gpr
[S390_NUM_GPRS
];
609 /* The floating-point registers. */
610 pv_t fpr
[S390_NUM_FPRS
];
612 /* The offset relative to the CFA where the incoming GPR N was saved
613 by the function prologue. 0 if not saved or unknown. */
614 int gpr_slot
[S390_NUM_GPRS
];
616 /* Likewise for FPRs. */
617 int fpr_slot
[S390_NUM_FPRS
];
619 /* Nonzero if the backchain was saved. This is assumed to be the
620 case when the incoming SP is saved at the current SP location. */
621 int back_chain_saved_p
;
624 /* Return the effective address for an X-style instruction, like:
628 Here, X2 and B2 are registers, and D2 is a signed 20-bit
629 constant; the effective address is the sum of all three. If either
630 X2 or B2 are zero, then it doesn't contribute to the sum --- this
631 means that r0 can't be used as either X2 or B2. */
634 s390_addr (struct s390_prologue_data
*data
,
635 int d2
, unsigned int x2
, unsigned int b2
)
639 result
= pv_constant (d2
);
641 result
= pv_add (result
, data
->gpr
[x2
]);
643 result
= pv_add (result
, data
->gpr
[b2
]);
648 /* Do a SIZE-byte store of VALUE to D2(X2,B2). */
651 s390_store (struct s390_prologue_data
*data
,
652 int d2
, unsigned int x2
, unsigned int b2
, CORE_ADDR size
,
655 pv_t addr
= s390_addr (data
, d2
, x2
, b2
);
658 /* Check whether we are storing the backchain. */
659 offset
= pv_subtract (data
->gpr
[S390_SP_REGNUM
- S390_R0_REGNUM
], addr
);
661 if (pv_is_constant (offset
) && offset
.k
== 0)
662 if (size
== data
->gpr_size
663 && pv_is_register_k (value
, S390_SP_REGNUM
, 0))
665 data
->back_chain_saved_p
= 1;
669 /* Check whether we are storing a register into the stack. */
670 if (!data
->stack
->store_would_trash (addr
))
671 data
->stack
->store (addr
, size
, value
);
673 /* Note: If this is some store we cannot identify, you might think we
674 should forget our cached values, as any of those might have been hit.
676 However, we make the assumption that the register save areas are only
677 ever stored to once in any given function, and we do recognize these
678 stores. Thus every store we cannot recognize does not hit our data. */
681 /* Do a SIZE-byte load from D2(X2,B2). */
684 s390_load (struct s390_prologue_data
*data
,
685 int d2
, unsigned int x2
, unsigned int b2
, CORE_ADDR size
)
688 pv_t addr
= s390_addr (data
, d2
, x2
, b2
);
690 /* If it's a load from an in-line constant pool, then we can
691 simulate that, under the assumption that the code isn't
692 going to change between the time the processor actually
693 executed it creating the current frame, and the time when
694 we're analyzing the code to unwind past that frame. */
695 if (pv_is_constant (addr
))
697 struct target_section
*secp
;
698 secp
= target_section_by_addr (current_top_target (), addr
.k
);
700 && (bfd_get_section_flags (secp
->the_bfd_section
->owner
,
701 secp
->the_bfd_section
)
703 return pv_constant (read_memory_integer (addr
.k
, size
,
707 /* Check whether we are accessing one of our save slots. */
708 return data
->stack
->fetch (addr
, size
);
711 /* Function for finding saved registers in a 'struct pv_area'; we pass
712 this to pv_area::scan.
714 If VALUE is a saved register, ADDR says it was saved at a constant
715 offset from the frame base, and SIZE indicates that the whole
716 register was saved, record its offset in the reg_offset table in
720 s390_check_for_saved (void *data_untyped
, pv_t addr
,
721 CORE_ADDR size
, pv_t value
)
723 struct s390_prologue_data
*data
= (struct s390_prologue_data
*) data_untyped
;
726 if (!pv_is_register (addr
, S390_SP_REGNUM
))
729 offset
= 16 * data
->gpr_size
+ 32 - addr
.k
;
731 /* If we are storing the original value of a register, we want to
732 record the CFA offset. If the same register is stored multiple
733 times, the stack slot with the highest address counts. */
735 for (i
= 0; i
< S390_NUM_GPRS
; i
++)
736 if (size
== data
->gpr_size
737 && pv_is_register_k (value
, S390_R0_REGNUM
+ i
, 0))
738 if (data
->gpr_slot
[i
] == 0
739 || data
->gpr_slot
[i
] > offset
)
741 data
->gpr_slot
[i
] = offset
;
745 for (i
= 0; i
< S390_NUM_FPRS
; i
++)
746 if (size
== data
->fpr_size
747 && pv_is_register_k (value
, S390_F0_REGNUM
+ i
, 0))
748 if (data
->fpr_slot
[i
] == 0
749 || data
->fpr_slot
[i
] > offset
)
751 data
->fpr_slot
[i
] = offset
;
756 /* Analyze the prologue of the function starting at START_PC, continuing at
757 most until CURRENT_PC. Initialize DATA to hold all information we find
758 out about the state of the registers and stack slots. Return the address
759 of the instruction after the last one that changed the SP, FP, or back
760 chain; or zero on error. */
763 s390_analyze_prologue (struct gdbarch
*gdbarch
,
765 CORE_ADDR current_pc
,
766 struct s390_prologue_data
*data
)
768 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
771 The address of the instruction after the last one that changed
772 the SP, FP, or back chain; zero if we got an error trying to
774 CORE_ADDR result
= start_pc
;
776 /* The current PC for our abstract interpretation. */
779 /* The address of the next instruction after that. */
782 pv_area
stack (S390_SP_REGNUM
, gdbarch_addr_bit (gdbarch
));
783 scoped_restore restore_stack
= make_scoped_restore (&data
->stack
, &stack
);
785 /* Set up everything's initial value. */
789 /* For the purpose of prologue tracking, we consider the GPR size to
790 be equal to the ABI word size, even if it is actually larger
791 (i.e. when running a 32-bit binary under a 64-bit kernel). */
792 data
->gpr_size
= word_size
;
794 data
->byte_order
= gdbarch_byte_order (gdbarch
);
796 for (i
= 0; i
< S390_NUM_GPRS
; i
++)
797 data
->gpr
[i
] = pv_register (S390_R0_REGNUM
+ i
, 0);
799 for (i
= 0; i
< S390_NUM_FPRS
; i
++)
800 data
->fpr
[i
] = pv_register (S390_F0_REGNUM
+ i
, 0);
802 for (i
= 0; i
< S390_NUM_GPRS
; i
++)
803 data
->gpr_slot
[i
] = 0;
805 for (i
= 0; i
< S390_NUM_FPRS
; i
++)
806 data
->fpr_slot
[i
] = 0;
808 data
->back_chain_saved_p
= 0;
811 /* Start interpreting instructions, until we hit the frame's
812 current PC or the first branch instruction. */
813 for (pc
= start_pc
; pc
> 0 && pc
< current_pc
; pc
= next_pc
)
815 bfd_byte insn
[S390_MAX_INSTR_SIZE
];
816 int insn_len
= s390_readinstruction (insn
, pc
);
818 bfd_byte dummy
[S390_MAX_INSTR_SIZE
] = { 0 };
819 bfd_byte
*insn32
= word_size
== 4 ? insn
: dummy
;
820 bfd_byte
*insn64
= word_size
== 8 ? insn
: dummy
;
822 /* Fields for various kinds of instructions. */
823 unsigned int b2
, r1
, r2
, x2
, r3
;
826 /* The values of SP and FP before this instruction,
827 for detecting instructions that change them. */
828 pv_t pre_insn_sp
, pre_insn_fp
;
829 /* Likewise for the flag whether the back chain was saved. */
830 int pre_insn_back_chain_saved_p
;
832 /* If we got an error trying to read the instruction, report it. */
839 next_pc
= pc
+ insn_len
;
841 pre_insn_sp
= data
->gpr
[S390_SP_REGNUM
- S390_R0_REGNUM
];
842 pre_insn_fp
= data
->gpr
[S390_FRAME_REGNUM
- S390_R0_REGNUM
];
843 pre_insn_back_chain_saved_p
= data
->back_chain_saved_p
;
845 /* LHI r1, i2 --- load halfword immediate. */
846 /* LGHI r1, i2 --- load halfword immediate (64-bit version). */
847 /* LGFI r1, i2 --- load fullword immediate. */
848 if (is_ri (insn32
, op1_lhi
, op2_lhi
, &r1
, &i2
)
849 || is_ri (insn64
, op1_lghi
, op2_lghi
, &r1
, &i2
)
850 || is_ril (insn
, op1_lgfi
, op2_lgfi
, &r1
, &i2
))
851 data
->gpr
[r1
] = pv_constant (i2
);
853 /* LR r1, r2 --- load from register. */
854 /* LGR r1, r2 --- load from register (64-bit version). */
855 else if (is_rr (insn32
, op_lr
, &r1
, &r2
)
856 || is_rre (insn64
, op_lgr
, &r1
, &r2
))
857 data
->gpr
[r1
] = data
->gpr
[r2
];
859 /* L r1, d2(x2, b2) --- load. */
860 /* LY r1, d2(x2, b2) --- load (long-displacement version). */
861 /* LG r1, d2(x2, b2) --- load (64-bit version). */
862 else if (is_rx (insn32
, op_l
, &r1
, &d2
, &x2
, &b2
)
863 || is_rxy (insn32
, op1_ly
, op2_ly
, &r1
, &d2
, &x2
, &b2
)
864 || is_rxy (insn64
, op1_lg
, op2_lg
, &r1
, &d2
, &x2
, &b2
))
865 data
->gpr
[r1
] = s390_load (data
, d2
, x2
, b2
, data
->gpr_size
);
867 /* ST r1, d2(x2, b2) --- store. */
868 /* STY r1, d2(x2, b2) --- store (long-displacement version). */
869 /* STG r1, d2(x2, b2) --- store (64-bit version). */
870 else if (is_rx (insn32
, op_st
, &r1
, &d2
, &x2
, &b2
)
871 || is_rxy (insn32
, op1_sty
, op2_sty
, &r1
, &d2
, &x2
, &b2
)
872 || is_rxy (insn64
, op1_stg
, op2_stg
, &r1
, &d2
, &x2
, &b2
))
873 s390_store (data
, d2
, x2
, b2
, data
->gpr_size
, data
->gpr
[r1
]);
875 /* STD r1, d2(x2,b2) --- store floating-point register. */
876 else if (is_rx (insn
, op_std
, &r1
, &d2
, &x2
, &b2
))
877 s390_store (data
, d2
, x2
, b2
, data
->fpr_size
, data
->fpr
[r1
]);
879 /* STM r1, r3, d2(b2) --- store multiple. */
880 /* STMY r1, r3, d2(b2) --- store multiple (long-displacement
882 /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */
883 else if (is_rs (insn32
, op_stm
, &r1
, &r3
, &d2
, &b2
)
884 || is_rsy (insn32
, op1_stmy
, op2_stmy
, &r1
, &r3
, &d2
, &b2
)
885 || is_rsy (insn64
, op1_stmg
, op2_stmg
, &r1
, &r3
, &d2
, &b2
))
887 for (; r1
<= r3
; r1
++, d2
+= data
->gpr_size
)
888 s390_store (data
, d2
, 0, b2
, data
->gpr_size
, data
->gpr
[r1
]);
891 /* AHI r1, i2 --- add halfword immediate. */
892 /* AGHI r1, i2 --- add halfword immediate (64-bit version). */
893 /* AFI r1, i2 --- add fullword immediate. */
894 /* AGFI r1, i2 --- add fullword immediate (64-bit version). */
895 else if (is_ri (insn32
, op1_ahi
, op2_ahi
, &r1
, &i2
)
896 || is_ri (insn64
, op1_aghi
, op2_aghi
, &r1
, &i2
)
897 || is_ril (insn32
, op1_afi
, op2_afi
, &r1
, &i2
)
898 || is_ril (insn64
, op1_agfi
, op2_agfi
, &r1
, &i2
))
899 data
->gpr
[r1
] = pv_add_constant (data
->gpr
[r1
], i2
);
901 /* ALFI r1, i2 --- add logical immediate. */
902 /* ALGFI r1, i2 --- add logical immediate (64-bit version). */
903 else if (is_ril (insn32
, op1_alfi
, op2_alfi
, &r1
, &i2
)
904 || is_ril (insn64
, op1_algfi
, op2_algfi
, &r1
, &i2
))
905 data
->gpr
[r1
] = pv_add_constant (data
->gpr
[r1
],
906 (CORE_ADDR
)i2
& 0xffffffff);
908 /* AR r1, r2 -- add register. */
909 /* AGR r1, r2 -- add register (64-bit version). */
910 else if (is_rr (insn32
, op_ar
, &r1
, &r2
)
911 || is_rre (insn64
, op_agr
, &r1
, &r2
))
912 data
->gpr
[r1
] = pv_add (data
->gpr
[r1
], data
->gpr
[r2
]);
914 /* A r1, d2(x2, b2) -- add. */
915 /* AY r1, d2(x2, b2) -- add (long-displacement version). */
916 /* AG r1, d2(x2, b2) -- add (64-bit version). */
917 else if (is_rx (insn32
, op_a
, &r1
, &d2
, &x2
, &b2
)
918 || is_rxy (insn32
, op1_ay
, op2_ay
, &r1
, &d2
, &x2
, &b2
)
919 || is_rxy (insn64
, op1_ag
, op2_ag
, &r1
, &d2
, &x2
, &b2
))
920 data
->gpr
[r1
] = pv_add (data
->gpr
[r1
],
921 s390_load (data
, d2
, x2
, b2
, data
->gpr_size
));
923 /* SLFI r1, i2 --- subtract logical immediate. */
924 /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */
925 else if (is_ril (insn32
, op1_slfi
, op2_slfi
, &r1
, &i2
)
926 || is_ril (insn64
, op1_slgfi
, op2_slgfi
, &r1
, &i2
))
927 data
->gpr
[r1
] = pv_add_constant (data
->gpr
[r1
],
928 -((CORE_ADDR
)i2
& 0xffffffff));
930 /* SR r1, r2 -- subtract register. */
931 /* SGR r1, r2 -- subtract register (64-bit version). */
932 else if (is_rr (insn32
, op_sr
, &r1
, &r2
)
933 || is_rre (insn64
, op_sgr
, &r1
, &r2
))
934 data
->gpr
[r1
] = pv_subtract (data
->gpr
[r1
], data
->gpr
[r2
]);
936 /* S r1, d2(x2, b2) -- subtract. */
937 /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */
938 /* SG r1, d2(x2, b2) -- subtract (64-bit version). */
939 else if (is_rx (insn32
, op_s
, &r1
, &d2
, &x2
, &b2
)
940 || is_rxy (insn32
, op1_sy
, op2_sy
, &r1
, &d2
, &x2
, &b2
)
941 || is_rxy (insn64
, op1_sg
, op2_sg
, &r1
, &d2
, &x2
, &b2
))
942 data
->gpr
[r1
] = pv_subtract (data
->gpr
[r1
],
943 s390_load (data
, d2
, x2
, b2
, data
->gpr_size
));
945 /* LA r1, d2(x2, b2) --- load address. */
946 /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */
947 else if (is_rx (insn
, op_la
, &r1
, &d2
, &x2
, &b2
)
948 || is_rxy (insn
, op1_lay
, op2_lay
, &r1
, &d2
, &x2
, &b2
))
949 data
->gpr
[r1
] = s390_addr (data
, d2
, x2
, b2
);
951 /* LARL r1, i2 --- load address relative long. */
952 else if (is_ril (insn
, op1_larl
, op2_larl
, &r1
, &i2
))
953 data
->gpr
[r1
] = pv_constant (pc
+ i2
* 2);
955 /* BASR r1, 0 --- branch and save.
956 Since r2 is zero, this saves the PC in r1, but doesn't branch. */
957 else if (is_rr (insn
, op_basr
, &r1
, &r2
)
959 data
->gpr
[r1
] = pv_constant (next_pc
);
961 /* BRAS r1, i2 --- branch relative and save. */
962 else if (is_ri (insn
, op1_bras
, op2_bras
, &r1
, &i2
))
964 data
->gpr
[r1
] = pv_constant (next_pc
);
965 next_pc
= pc
+ i2
* 2;
967 /* We'd better not interpret any backward branches. We'll
973 /* BRC/BRCL -- branch relative on condition. Ignore "branch
974 never", branch to following instruction, and "conditional
975 trap" (BRC +2). Otherwise terminate search. */
976 else if (is_ri (insn
, op1_brc
, op2_brc
, &r1
, &i2
))
978 if (r1
!= 0 && i2
!= 1 && i2
!= 2)
981 else if (is_ril (insn
, op1_brcl
, op2_brcl
, &r1
, &i2
))
983 if (r1
!= 0 && i2
!= 3)
987 /* Terminate search when hitting any other branch instruction. */
988 else if (is_rr (insn
, op_basr
, &r1
, &r2
)
989 || is_rx (insn
, op_bas
, &r1
, &d2
, &x2
, &b2
)
990 || is_rr (insn
, op_bcr
, &r1
, &r2
)
991 || is_rx (insn
, op_bc
, &r1
, &d2
, &x2
, &b2
)
992 || is_ril (insn
, op1_brasl
, op2_brasl
, &r2
, &i2
))
997 /* An instruction we don't know how to simulate. The only
998 safe thing to do would be to set every value we're tracking
999 to 'unknown'. Instead, we'll be optimistic: we assume that
1000 we *can* interpret every instruction that the compiler uses
1001 to manipulate any of the data we're interested in here --
1002 then we can just ignore anything else. */
1005 /* Record the address after the last instruction that changed
1006 the FP, SP, or backlink. Ignore instructions that changed
1007 them back to their original values --- those are probably
1008 restore instructions. (The back chain is never restored,
1011 pv_t sp
= data
->gpr
[S390_SP_REGNUM
- S390_R0_REGNUM
];
1012 pv_t fp
= data
->gpr
[S390_FRAME_REGNUM
- S390_R0_REGNUM
];
1014 if ((! pv_is_identical (pre_insn_sp
, sp
)
1015 && ! pv_is_register_k (sp
, S390_SP_REGNUM
, 0)
1016 && sp
.kind
!= pvk_unknown
)
1017 || (! pv_is_identical (pre_insn_fp
, fp
)
1018 && ! pv_is_register_k (fp
, S390_FRAME_REGNUM
, 0)
1019 && fp
.kind
!= pvk_unknown
)
1020 || pre_insn_back_chain_saved_p
!= data
->back_chain_saved_p
)
1025 /* Record where all the registers were saved. */
1026 data
->stack
->scan (s390_check_for_saved
, data
);
1031 /* Advance PC across any function entry prologue instructions to reach
1032 some "real" code. */
1035 s390_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR pc
)
1037 struct s390_prologue_data data
;
1038 CORE_ADDR skip_pc
, func_addr
;
1040 if (find_pc_partial_function (pc
, NULL
, &func_addr
, NULL
))
1042 CORE_ADDR post_prologue_pc
1043 = skip_prologue_using_sal (gdbarch
, func_addr
);
1044 if (post_prologue_pc
!= 0)
1045 return std::max (pc
, post_prologue_pc
);
1048 skip_pc
= s390_analyze_prologue (gdbarch
, pc
, (CORE_ADDR
)-1, &data
);
1049 return skip_pc
? skip_pc
: pc
;
1052 /* Register handling. */
1054 /* ABI call-saved register information. */
1057 s390_register_call_saved (struct gdbarch
*gdbarch
, int regnum
)
1059 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1063 case ABI_LINUX_S390
:
1064 if ((regnum
>= S390_R6_REGNUM
&& regnum
<= S390_R15_REGNUM
)
1065 || regnum
== S390_F4_REGNUM
|| regnum
== S390_F6_REGNUM
1066 || regnum
== S390_A0_REGNUM
)
1071 case ABI_LINUX_ZSERIES
:
1072 if ((regnum
>= S390_R6_REGNUM
&& regnum
<= S390_R15_REGNUM
)
1073 || (regnum
>= S390_F8_REGNUM
&& regnum
<= S390_F15_REGNUM
)
1074 || (regnum
>= S390_A0_REGNUM
&& regnum
<= S390_A1_REGNUM
))
1083 /* The "guess_tracepoint_registers" gdbarch method. */
1086 s390_guess_tracepoint_registers (struct gdbarch
*gdbarch
,
1087 struct regcache
*regcache
,
1090 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1091 int sz
= register_size (gdbarch
, S390_PSWA_REGNUM
);
1092 gdb_byte
*reg
= (gdb_byte
*) alloca (sz
);
1093 ULONGEST pswm
, pswa
;
1095 /* Set PSWA from the location and a default PSWM (the only part we're
1096 unlikely to get right is the CC). */
1097 if (tdep
->abi
== ABI_LINUX_S390
)
1099 /* 31-bit PSWA needs high bit set (it's very unlikely the target
1100 was in 24-bit mode). */
1101 pswa
= addr
| 0x80000000UL
;
1102 pswm
= 0x070d0000UL
;
1107 pswm
= 0x0705000180000000ULL
;
1110 store_unsigned_integer (reg
, sz
, gdbarch_byte_order (gdbarch
), pswa
);
1111 regcache
->raw_supply (S390_PSWA_REGNUM
, reg
);
1113 store_unsigned_integer (reg
, sz
, gdbarch_byte_order (gdbarch
), pswm
);
1114 regcache
->raw_supply (S390_PSWM_REGNUM
, reg
);
1117 /* Return the name of register REGNO. Return the empty string for
1118 registers that shouldn't be visible. */
1121 s390_register_name (struct gdbarch
*gdbarch
, int regnum
)
1123 if (regnum
>= S390_V0_LOWER_REGNUM
1124 && regnum
<= S390_V15_LOWER_REGNUM
)
1126 return tdesc_register_name (gdbarch
, regnum
);
1129 /* DWARF Register Mapping. */
1131 static const short s390_dwarf_regmap
[] =
1133 /* 0-15: General Purpose Registers. */
1134 S390_R0_REGNUM
, S390_R1_REGNUM
, S390_R2_REGNUM
, S390_R3_REGNUM
,
1135 S390_R4_REGNUM
, S390_R5_REGNUM
, S390_R6_REGNUM
, S390_R7_REGNUM
,
1136 S390_R8_REGNUM
, S390_R9_REGNUM
, S390_R10_REGNUM
, S390_R11_REGNUM
,
1137 S390_R12_REGNUM
, S390_R13_REGNUM
, S390_R14_REGNUM
, S390_R15_REGNUM
,
1139 /* 16-31: Floating Point Registers / Vector Registers 0-15. */
1140 S390_F0_REGNUM
, S390_F2_REGNUM
, S390_F4_REGNUM
, S390_F6_REGNUM
,
1141 S390_F1_REGNUM
, S390_F3_REGNUM
, S390_F5_REGNUM
, S390_F7_REGNUM
,
1142 S390_F8_REGNUM
, S390_F10_REGNUM
, S390_F12_REGNUM
, S390_F14_REGNUM
,
1143 S390_F9_REGNUM
, S390_F11_REGNUM
, S390_F13_REGNUM
, S390_F15_REGNUM
,
1145 /* 32-47: Control Registers (not mapped). */
1146 -1, -1, -1, -1, -1, -1, -1, -1,
1147 -1, -1, -1, -1, -1, -1, -1, -1,
1149 /* 48-63: Access Registers. */
1150 S390_A0_REGNUM
, S390_A1_REGNUM
, S390_A2_REGNUM
, S390_A3_REGNUM
,
1151 S390_A4_REGNUM
, S390_A5_REGNUM
, S390_A6_REGNUM
, S390_A7_REGNUM
,
1152 S390_A8_REGNUM
, S390_A9_REGNUM
, S390_A10_REGNUM
, S390_A11_REGNUM
,
1153 S390_A12_REGNUM
, S390_A13_REGNUM
, S390_A14_REGNUM
, S390_A15_REGNUM
,
1155 /* 64-65: Program Status Word. */
1159 /* 66-67: Reserved. */
1162 /* 68-83: Vector Registers 16-31. */
1163 S390_V16_REGNUM
, S390_V18_REGNUM
, S390_V20_REGNUM
, S390_V22_REGNUM
,
1164 S390_V17_REGNUM
, S390_V19_REGNUM
, S390_V21_REGNUM
, S390_V23_REGNUM
,
1165 S390_V24_REGNUM
, S390_V26_REGNUM
, S390_V28_REGNUM
, S390_V30_REGNUM
,
1166 S390_V25_REGNUM
, S390_V27_REGNUM
, S390_V29_REGNUM
, S390_V31_REGNUM
,
1168 /* End of "official" DWARF registers. The remainder of the map is
1169 for GDB internal use only. */
1171 /* GPR Lower Half Access. */
1172 S390_R0_REGNUM
, S390_R1_REGNUM
, S390_R2_REGNUM
, S390_R3_REGNUM
,
1173 S390_R4_REGNUM
, S390_R5_REGNUM
, S390_R6_REGNUM
, S390_R7_REGNUM
,
1174 S390_R8_REGNUM
, S390_R9_REGNUM
, S390_R10_REGNUM
, S390_R11_REGNUM
,
1175 S390_R12_REGNUM
, S390_R13_REGNUM
, S390_R14_REGNUM
, S390_R15_REGNUM
,
1178 enum { s390_dwarf_reg_r0l
= ARRAY_SIZE (s390_dwarf_regmap
) - 16 };
1180 /* Convert DWARF register number REG to the appropriate register
1181 number used by GDB. */
1184 s390_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, int reg
)
1186 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1189 /* In a 32-on-64 debug scenario, debug info refers to the full
1190 64-bit GPRs. Note that call frame information still refers to
1191 the 32-bit lower halves, because s390_adjust_frame_regnum uses
1192 special register numbers to access GPRs. */
1193 if (tdep
->gpr_full_regnum
!= -1 && reg
>= 0 && reg
< 16)
1194 return tdep
->gpr_full_regnum
+ reg
;
1196 if (reg
>= 0 && reg
< ARRAY_SIZE (s390_dwarf_regmap
))
1197 gdb_reg
= s390_dwarf_regmap
[reg
];
1199 if (tdep
->v0_full_regnum
== -1)
1201 if (gdb_reg
>= S390_V16_REGNUM
&& gdb_reg
<= S390_V31_REGNUM
)
1206 if (gdb_reg
>= S390_F0_REGNUM
&& gdb_reg
<= S390_F15_REGNUM
)
1207 gdb_reg
= gdb_reg
- S390_F0_REGNUM
+ tdep
->v0_full_regnum
;
1213 /* Pseudo registers. */
1215 /* Check whether REGNUM indicates a coupled general purpose register.
1216 These pseudo-registers are composed of two adjacent gprs. */
1219 regnum_is_gpr_full (struct gdbarch_tdep
*tdep
, int regnum
)
1221 return (tdep
->gpr_full_regnum
!= -1
1222 && regnum
>= tdep
->gpr_full_regnum
1223 && regnum
<= tdep
->gpr_full_regnum
+ 15);
1226 /* Check whether REGNUM indicates a full vector register (v0-v15).
1227 These pseudo-registers are composed of f0-f15 and v0l-v15l. */
1230 regnum_is_vxr_full (struct gdbarch_tdep
*tdep
, int regnum
)
1232 return (tdep
->v0_full_regnum
!= -1
1233 && regnum
>= tdep
->v0_full_regnum
1234 && regnum
<= tdep
->v0_full_regnum
+ 15);
1237 /* 'float' values are stored in the upper half of floating-point
1238 registers, even though we are otherwise a big-endian platform. The
1239 same applies to a 'float' value within a vector. */
1241 static struct value
*
1242 s390_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
,
1243 int regnum
, struct frame_id frame_id
)
1245 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1246 struct value
*value
= default_value_from_register (gdbarch
, type
,
1248 check_typedef (type
);
1250 if ((regnum
>= S390_F0_REGNUM
&& regnum
<= S390_F15_REGNUM
1251 && TYPE_LENGTH (type
) < 8)
1252 || regnum_is_vxr_full (tdep
, regnum
)
1253 || (regnum
>= S390_V16_REGNUM
&& regnum
<= S390_V31_REGNUM
))
1254 set_value_offset (value
, 0);
1259 /* Implement pseudo_register_name tdesc method. */
1262 s390_pseudo_register_name (struct gdbarch
*gdbarch
, int regnum
)
1264 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1266 if (regnum
== tdep
->pc_regnum
)
1269 if (regnum
== tdep
->cc_regnum
)
1272 if (regnum_is_gpr_full (tdep
, regnum
))
1274 static const char *full_name
[] = {
1275 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
1276 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1278 return full_name
[regnum
- tdep
->gpr_full_regnum
];
1281 if (regnum_is_vxr_full (tdep
, regnum
))
1283 static const char *full_name
[] = {
1284 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
1285 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
1287 return full_name
[regnum
- tdep
->v0_full_regnum
];
1290 internal_error (__FILE__
, __LINE__
, _("invalid regnum"));
1293 /* Implement pseudo_register_type tdesc method. */
1295 static struct type
*
1296 s390_pseudo_register_type (struct gdbarch
*gdbarch
, int regnum
)
1298 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1300 if (regnum
== tdep
->pc_regnum
)
1301 return builtin_type (gdbarch
)->builtin_func_ptr
;
1303 if (regnum
== tdep
->cc_regnum
)
1304 return builtin_type (gdbarch
)->builtin_int
;
1306 if (regnum_is_gpr_full (tdep
, regnum
))
1307 return builtin_type (gdbarch
)->builtin_uint64
;
1309 /* For the "concatenated" vector registers use the same type as v16. */
1310 if (regnum_is_vxr_full (tdep
, regnum
))
1311 return tdesc_register_type (gdbarch
, S390_V16_REGNUM
);
1313 internal_error (__FILE__
, __LINE__
, _("invalid regnum"));
1316 /* Implement pseudo_register_read gdbarch method. */
1318 static enum register_status
1319 s390_pseudo_register_read (struct gdbarch
*gdbarch
, readable_regcache
*regcache
,
1320 int regnum
, gdb_byte
*buf
)
1322 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1323 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
1324 int regsize
= register_size (gdbarch
, regnum
);
1327 if (regnum
== tdep
->pc_regnum
)
1329 enum register_status status
;
1331 status
= regcache
->raw_read (S390_PSWA_REGNUM
, &val
);
1332 if (status
== REG_VALID
)
1334 if (register_size (gdbarch
, S390_PSWA_REGNUM
) == 4)
1336 store_unsigned_integer (buf
, regsize
, byte_order
, val
);
1341 if (regnum
== tdep
->cc_regnum
)
1343 enum register_status status
;
1345 status
= regcache
->raw_read (S390_PSWM_REGNUM
, &val
);
1346 if (status
== REG_VALID
)
1348 if (register_size (gdbarch
, S390_PSWA_REGNUM
) == 4)
1349 val
= (val
>> 12) & 3;
1351 val
= (val
>> 44) & 3;
1352 store_unsigned_integer (buf
, regsize
, byte_order
, val
);
1357 if (regnum_is_gpr_full (tdep
, regnum
))
1359 enum register_status status
;
1362 regnum
-= tdep
->gpr_full_regnum
;
1364 status
= regcache
->raw_read (S390_R0_REGNUM
+ regnum
, &val
);
1365 if (status
== REG_VALID
)
1366 status
= regcache
->raw_read (S390_R0_UPPER_REGNUM
+ regnum
,
1368 if (status
== REG_VALID
)
1370 val
|= val_upper
<< 32;
1371 store_unsigned_integer (buf
, regsize
, byte_order
, val
);
1376 if (regnum_is_vxr_full (tdep
, regnum
))
1378 enum register_status status
;
1380 regnum
-= tdep
->v0_full_regnum
;
1382 status
= regcache
->raw_read (S390_F0_REGNUM
+ regnum
, buf
);
1383 if (status
== REG_VALID
)
1384 status
= regcache
->raw_read (S390_V0_LOWER_REGNUM
+ regnum
, buf
+ 8);
1388 internal_error (__FILE__
, __LINE__
, _("invalid regnum"));
1391 /* Implement pseudo_register_write gdbarch method. */
1394 s390_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
,
1395 int regnum
, const gdb_byte
*buf
)
1397 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1398 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
1399 int regsize
= register_size (gdbarch
, regnum
);
1402 if (regnum
== tdep
->pc_regnum
)
1404 val
= extract_unsigned_integer (buf
, regsize
, byte_order
);
1405 if (register_size (gdbarch
, S390_PSWA_REGNUM
) == 4)
1407 regcache_raw_read_unsigned (regcache
, S390_PSWA_REGNUM
, &psw
);
1408 val
= (psw
& 0x80000000) | (val
& 0x7fffffff);
1410 regcache_raw_write_unsigned (regcache
, S390_PSWA_REGNUM
, val
);
1414 if (regnum
== tdep
->cc_regnum
)
1416 val
= extract_unsigned_integer (buf
, regsize
, byte_order
);
1417 regcache_raw_read_unsigned (regcache
, S390_PSWM_REGNUM
, &psw
);
1418 if (register_size (gdbarch
, S390_PSWA_REGNUM
) == 4)
1419 val
= (psw
& ~((ULONGEST
)3 << 12)) | ((val
& 3) << 12);
1421 val
= (psw
& ~((ULONGEST
)3 << 44)) | ((val
& 3) << 44);
1422 regcache_raw_write_unsigned (regcache
, S390_PSWM_REGNUM
, val
);
1426 if (regnum_is_gpr_full (tdep
, regnum
))
1428 regnum
-= tdep
->gpr_full_regnum
;
1429 val
= extract_unsigned_integer (buf
, regsize
, byte_order
);
1430 regcache_raw_write_unsigned (regcache
, S390_R0_REGNUM
+ regnum
,
1432 regcache_raw_write_unsigned (regcache
, S390_R0_UPPER_REGNUM
+ regnum
,
1437 if (regnum_is_vxr_full (tdep
, regnum
))
1439 regnum
-= tdep
->v0_full_regnum
;
1440 regcache
->raw_write (S390_F0_REGNUM
+ regnum
, buf
);
1441 regcache
->raw_write (S390_V0_LOWER_REGNUM
+ regnum
, buf
+ 8);
1445 internal_error (__FILE__
, __LINE__
, _("invalid regnum"));
1448 /* Register groups. */
1450 /* Implement pseudo_register_reggroup_p tdesc method. */
1453 s390_pseudo_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
,
1454 struct reggroup
*group
)
1456 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1458 /* We usually save/restore the whole PSW, which includes PC and CC.
1459 However, some older gdbservers may not support saving/restoring
1460 the whole PSW yet, and will return an XML register description
1461 excluding those from the save/restore register groups. In those
1462 cases, we still need to explicitly save/restore PC and CC in order
1463 to push or pop frames. Since this doesn't hurt anything if we
1464 already save/restore the whole PSW (it's just redundant), we add
1465 PC and CC at this point unconditionally. */
1466 if (group
== save_reggroup
|| group
== restore_reggroup
)
1467 return regnum
== tdep
->pc_regnum
|| regnum
== tdep
->cc_regnum
;
1469 if (group
== vector_reggroup
)
1470 return regnum_is_vxr_full (tdep
, regnum
);
1472 if (group
== general_reggroup
&& regnum_is_vxr_full (tdep
, regnum
))
1475 return default_register_reggroup_p (gdbarch
, regnum
, group
);
1478 /* The "ax_pseudo_register_collect" gdbarch method. */
1481 s390_ax_pseudo_register_collect (struct gdbarch
*gdbarch
,
1482 struct agent_expr
*ax
, int regnum
)
1484 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1485 if (regnum
== tdep
->pc_regnum
)
1487 ax_reg_mask (ax
, S390_PSWA_REGNUM
);
1489 else if (regnum
== tdep
->cc_regnum
)
1491 ax_reg_mask (ax
, S390_PSWM_REGNUM
);
1493 else if (regnum_is_gpr_full (tdep
, regnum
))
1495 regnum
-= tdep
->gpr_full_regnum
;
1496 ax_reg_mask (ax
, S390_R0_REGNUM
+ regnum
);
1497 ax_reg_mask (ax
, S390_R0_UPPER_REGNUM
+ regnum
);
1499 else if (regnum_is_vxr_full (tdep
, regnum
))
1501 regnum
-= tdep
->v0_full_regnum
;
1502 ax_reg_mask (ax
, S390_F0_REGNUM
+ regnum
);
1503 ax_reg_mask (ax
, S390_V0_LOWER_REGNUM
+ regnum
);
1507 internal_error (__FILE__
, __LINE__
, _("invalid regnum"));
1512 /* The "ax_pseudo_register_push_stack" gdbarch method. */
1515 s390_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
,
1516 struct agent_expr
*ax
, int regnum
)
1518 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1519 if (regnum
== tdep
->pc_regnum
)
1521 ax_reg (ax
, S390_PSWA_REGNUM
);
1522 if (register_size (gdbarch
, S390_PSWA_REGNUM
) == 4)
1524 ax_zero_ext (ax
, 31);
1527 else if (regnum
== tdep
->cc_regnum
)
1529 ax_reg (ax
, S390_PSWM_REGNUM
);
1530 if (register_size (gdbarch
, S390_PSWA_REGNUM
) == 4)
1531 ax_const_l (ax
, 12);
1533 ax_const_l (ax
, 44);
1534 ax_simple (ax
, aop_rsh_unsigned
);
1535 ax_zero_ext (ax
, 2);
1537 else if (regnum_is_gpr_full (tdep
, regnum
))
1539 regnum
-= tdep
->gpr_full_regnum
;
1540 ax_reg (ax
, S390_R0_REGNUM
+ regnum
);
1541 ax_reg (ax
, S390_R0_UPPER_REGNUM
+ regnum
);
1542 ax_const_l (ax
, 32);
1543 ax_simple (ax
, aop_lsh
);
1544 ax_simple (ax
, aop_bit_or
);
1546 else if (regnum_is_vxr_full (tdep
, regnum
))
1548 /* Too large to stuff on the stack. */
1553 internal_error (__FILE__
, __LINE__
, _("invalid regnum"));
1558 /* The "gen_return_address" gdbarch method. Since this is supposed to be
1559 just a best-effort method, and we don't really have the means to run
1560 the full unwinder here, just collect the link register. */
1563 s390_gen_return_address (struct gdbarch
*gdbarch
,
1564 struct agent_expr
*ax
, struct axs_value
*value
,
1567 value
->type
= register_type (gdbarch
, S390_R14_REGNUM
);
1568 value
->kind
= axs_lvalue_register
;
1569 value
->u
.reg
= S390_R14_REGNUM
;
1572 /* Address handling. */
1574 /* Implement addr_bits_remove gdbarch method.
1575 Only used for ABI_LINUX_S390. */
1578 s390_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
)
1580 return addr
& 0x7fffffff;
1583 /* Implement addr_class_type_flags gdbarch method.
1584 Only used for ABI_LINUX_ZSERIES. */
1587 s390_address_class_type_flags (int byte_size
, int dwarf2_addr_class
)
1590 return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1
;
1595 /* Implement addr_class_type_flags_to_name gdbarch method.
1596 Only used for ABI_LINUX_ZSERIES. */
1599 s390_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
)
1601 if (type_flags
& TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1
)
1607 /* Implement addr_class_name_to_type_flags gdbarch method.
1608 Only used for ABI_LINUX_ZSERIES. */
1611 s390_address_class_name_to_type_flags (struct gdbarch
*gdbarch
,
1613 int *type_flags_ptr
)
1615 if (strcmp (name
, "mode32") == 0)
1617 *type_flags_ptr
= TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1
;
1624 /* Inferior function calls. */
1626 /* Dummy function calls. */
1628 /* Unwrap any single-field structs in TYPE and return the effective
1629 "inner" type. E.g., yield "float" for all these cases:
1633 struct { struct { float x; } x; };
1634 struct { struct { struct { float x; } x; } x; };
1636 However, if an inner type is smaller than MIN_SIZE, abort the
1639 static struct type
*
1640 s390_effective_inner_type (struct type
*type
, unsigned int min_size
)
1642 while (TYPE_CODE (type
) == TYPE_CODE_STRUCT
1643 && TYPE_NFIELDS (type
) == 1)
1645 struct type
*inner
= check_typedef (TYPE_FIELD_TYPE (type
, 0));
1647 if (TYPE_LENGTH (inner
) < min_size
)
1655 /* Return non-zero if TYPE should be passed like "float" or
1659 s390_function_arg_float (struct type
*type
)
1661 /* Note that long double as well as complex types are intentionally
1663 if (TYPE_LENGTH (type
) > 8)
1666 /* A struct containing just a float or double is passed like a float
1668 type
= s390_effective_inner_type (type
, 0);
1670 return (TYPE_CODE (type
) == TYPE_CODE_FLT
1671 || TYPE_CODE (type
) == TYPE_CODE_DECFLOAT
);
1674 /* Return non-zero if TYPE should be passed like a vector. */
1677 s390_function_arg_vector (struct type
*type
)
1679 if (TYPE_LENGTH (type
) > 16)
1682 /* Structs containing just a vector are passed like a vector. */
1683 type
= s390_effective_inner_type (type
, TYPE_LENGTH (type
));
1685 return TYPE_CODE (type
) == TYPE_CODE_ARRAY
&& TYPE_VECTOR (type
);
1688 /* Determine whether N is a power of two. */
1691 is_power_of_two (unsigned int n
)
1693 return n
&& ((n
& (n
- 1)) == 0);
1696 /* For an argument whose type is TYPE and which is not passed like a
1697 float or vector, return non-zero if it should be passed like "int"
1701 s390_function_arg_integer (struct type
*type
)
1703 enum type_code code
= TYPE_CODE (type
);
1705 if (TYPE_LENGTH (type
) > 8)
1708 if (code
== TYPE_CODE_INT
1709 || code
== TYPE_CODE_ENUM
1710 || code
== TYPE_CODE_RANGE
1711 || code
== TYPE_CODE_CHAR
1712 || code
== TYPE_CODE_BOOL
1713 || code
== TYPE_CODE_PTR
1714 || TYPE_IS_REFERENCE (type
))
1717 return ((code
== TYPE_CODE_UNION
|| code
== TYPE_CODE_STRUCT
)
1718 && is_power_of_two (TYPE_LENGTH (type
)));
1721 /* Argument passing state: Internal data structure passed to helper
1722 routines of s390_push_dummy_call. */
1724 struct s390_arg_state
1726 /* Register cache, or NULL, if we are in "preparation mode". */
1727 struct regcache
*regcache
;
1728 /* Next available general/floating-point/vector register for
1729 argument passing. */
1731 /* Current pointer to copy area (grows downwards). */
1733 /* Current pointer to parameter area (grows upwards). */
1737 /* Prepare one argument ARG for a dummy call and update the argument
1738 passing state AS accordingly. If the regcache field in AS is set,
1739 operate in "write mode" and write ARG into the inferior. Otherwise
1740 run "preparation mode" and skip all updates to the inferior. */
1743 s390_handle_arg (struct s390_arg_state
*as
, struct value
*arg
,
1744 struct gdbarch_tdep
*tdep
, int word_size
,
1745 enum bfd_endian byte_order
, int is_unnamed
)
1747 struct type
*type
= check_typedef (value_type (arg
));
1748 unsigned int length
= TYPE_LENGTH (type
);
1749 int write_mode
= as
->regcache
!= NULL
;
1751 if (s390_function_arg_float (type
))
1753 /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass
1754 arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and
1756 if (as
->fr
<= (tdep
->abi
== ABI_LINUX_S390
? 2 : 6))
1758 /* When we store a single-precision value in an FP register,
1759 it occupies the leftmost bits. */
1761 as
->regcache
->cooked_write_part (S390_F0_REGNUM
+ as
->fr
, 0, length
,
1762 value_contents (arg
));
1767 /* When we store a single-precision value in a stack slot,
1768 it occupies the rightmost bits. */
1769 as
->argp
= align_up (as
->argp
+ length
, word_size
);
1771 write_memory (as
->argp
- length
, value_contents (arg
),
1775 else if (tdep
->vector_abi
== S390_VECTOR_ABI_128
1776 && s390_function_arg_vector (type
))
1778 static const char use_vr
[] = {24, 26, 28, 30, 25, 27, 29, 31};
1780 if (!is_unnamed
&& as
->vr
< ARRAY_SIZE (use_vr
))
1782 int regnum
= S390_V24_REGNUM
+ use_vr
[as
->vr
] - 24;
1785 as
->regcache
->cooked_write_part (regnum
, 0, length
,
1786 value_contents (arg
));
1792 write_memory (as
->argp
, value_contents (arg
), length
);
1793 as
->argp
= align_up (as
->argp
+ length
, word_size
);
1796 else if (s390_function_arg_integer (type
) && length
<= word_size
)
1798 /* Initialize it just to avoid a GCC false warning. */
1803 /* Place value in least significant bits of the register or
1804 memory word and sign- or zero-extend to full word size.
1805 This also applies to a struct or union. */
1806 val
= TYPE_UNSIGNED (type
)
1807 ? extract_unsigned_integer (value_contents (arg
),
1809 : extract_signed_integer (value_contents (arg
),
1810 length
, byte_order
);
1816 regcache_cooked_write_unsigned (as
->regcache
,
1817 S390_R0_REGNUM
+ as
->gr
,
1824 write_memory_unsigned_integer (as
->argp
, word_size
,
1826 as
->argp
+= word_size
;
1829 else if (s390_function_arg_integer (type
) && length
== 8)
1835 as
->regcache
->cooked_write (S390_R0_REGNUM
+ as
->gr
,
1836 value_contents (arg
));
1837 as
->regcache
->cooked_write (S390_R0_REGNUM
+ as
->gr
+ 1,
1838 value_contents (arg
) + word_size
);
1844 /* If we skipped r6 because we couldn't fit a DOUBLE_ARG
1845 in it, then don't go back and use it again later. */
1849 write_memory (as
->argp
, value_contents (arg
), length
);
1855 /* This argument type is never passed in registers. Place the
1856 value in the copy area and pass a pointer to it. Use 8-byte
1857 alignment as a conservative assumption. */
1858 as
->copy
= align_down (as
->copy
- length
, 8);
1860 write_memory (as
->copy
, value_contents (arg
), length
);
1865 regcache_cooked_write_unsigned (as
->regcache
,
1866 S390_R0_REGNUM
+ as
->gr
,
1873 write_memory_unsigned_integer (as
->argp
, word_size
,
1874 byte_order
, as
->copy
);
1875 as
->argp
+= word_size
;
1880 /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in
1881 place to be passed to a function, as specified by the "GNU/Linux
1882 for S/390 ELF Application Binary Interface Supplement".
1884 SP is the current stack pointer. We must put arguments, links,
1885 padding, etc. whereever they belong, and return the new stack
1888 If STRUCT_RETURN is non-zero, then the function we're calling is
1889 going to return a structure by value; STRUCT_ADDR is the address of
1890 a block we've allocated for it on the stack.
1892 Our caller has taken care of any type promotions needed to satisfy
1893 prototypes or the old K&R argument-passing rules. */
1896 s390_push_dummy_call (struct gdbarch
*gdbarch
, struct value
*function
,
1897 struct regcache
*regcache
, CORE_ADDR bp_addr
,
1898 int nargs
, struct value
**args
, CORE_ADDR sp
,
1899 function_call_return_method return_method
,
1900 CORE_ADDR struct_addr
)
1902 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1903 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
1904 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
1906 struct s390_arg_state arg_state
, arg_prep
;
1907 CORE_ADDR param_area_start
, new_sp
;
1908 struct type
*ftype
= check_typedef (value_type (function
));
1910 if (TYPE_CODE (ftype
) == TYPE_CODE_PTR
)
1911 ftype
= check_typedef (TYPE_TARGET_TYPE (ftype
));
1914 arg_prep
.gr
= (return_method
== return_method_struct
) ? 3 : 2;
1918 arg_prep
.regcache
= NULL
;
1920 /* Initialize arg_state for "preparation mode". */
1921 arg_state
= arg_prep
;
1923 /* Update arg_state.copy with the start of the reference-to-copy area
1924 and arg_state.argp with the size of the parameter area. */
1925 for (i
= 0; i
< nargs
; i
++)
1926 s390_handle_arg (&arg_state
, args
[i
], tdep
, word_size
, byte_order
,
1927 TYPE_VARARGS (ftype
) && i
>= TYPE_NFIELDS (ftype
));
1929 param_area_start
= align_down (arg_state
.copy
- arg_state
.argp
, 8);
1931 /* Allocate the standard frame areas: the register save area, the
1932 word reserved for the compiler, and the back chain pointer. */
1933 new_sp
= param_area_start
- (16 * word_size
+ 32);
1935 /* Now we have the final stack pointer. Make sure we didn't
1936 underflow; on 31-bit, this would result in addresses with the
1937 high bit set, which causes confusion elsewhere. Note that if we
1938 error out here, stack and registers remain untouched. */
1939 if (gdbarch_addr_bits_remove (gdbarch
, new_sp
) != new_sp
)
1940 error (_("Stack overflow"));
1942 /* Pass the structure return address in general register 2. */
1943 if (return_method
== return_method_struct
)
1944 regcache_cooked_write_unsigned (regcache
, S390_R2_REGNUM
, struct_addr
);
1946 /* Initialize arg_state for "write mode". */
1947 arg_state
= arg_prep
;
1948 arg_state
.argp
= param_area_start
;
1949 arg_state
.regcache
= regcache
;
1951 /* Write all parameters. */
1952 for (i
= 0; i
< nargs
; i
++)
1953 s390_handle_arg (&arg_state
, args
[i
], tdep
, word_size
, byte_order
,
1954 TYPE_VARARGS (ftype
) && i
>= TYPE_NFIELDS (ftype
));
1956 /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */
1960 regcache_cooked_read_unsigned (regcache
, S390_PSWA_REGNUM
, &pswa
);
1961 bp_addr
= (bp_addr
& 0x7fffffff) | (pswa
& 0x80000000);
1963 regcache_cooked_write_unsigned (regcache
, S390_RETADDR_REGNUM
, bp_addr
);
1965 /* Store updated stack pointer. */
1966 regcache_cooked_write_unsigned (regcache
, S390_SP_REGNUM
, new_sp
);
1968 /* We need to return the 'stack part' of the frame ID,
1969 which is actually the top of the register save area. */
1970 return param_area_start
;
1973 /* Assuming THIS_FRAME is a dummy, return the frame ID of that
1974 dummy frame. The frame ID's base needs to match the TOS value
1975 returned by push_dummy_call, and the PC match the dummy frame's
1978 static struct frame_id
1979 s390_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
)
1981 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
1982 CORE_ADDR sp
= get_frame_register_unsigned (this_frame
, S390_SP_REGNUM
);
1983 sp
= gdbarch_addr_bits_remove (gdbarch
, sp
);
1985 return frame_id_build (sp
+ 16*word_size
+ 32,
1986 get_frame_pc (this_frame
));
1989 /* Implement frame_align gdbarch method. */
1992 s390_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR addr
)
1994 /* Both the 32- and 64-bit ABI's say that the stack pointer should
1995 always be aligned on an eight-byte boundary. */
1999 /* Helper for s390_return_value: Set or retrieve a function return
2000 value if it resides in a register. */
2003 s390_register_return_value (struct gdbarch
*gdbarch
, struct type
*type
,
2004 struct regcache
*regcache
,
2005 gdb_byte
*out
, const gdb_byte
*in
)
2007 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
2008 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
2009 int length
= TYPE_LENGTH (type
);
2010 int code
= TYPE_CODE (type
);
2012 if (code
== TYPE_CODE_FLT
|| code
== TYPE_CODE_DECFLOAT
)
2014 /* Float-like value: left-aligned in f0. */
2016 regcache
->cooked_write_part (S390_F0_REGNUM
, 0, length
, in
);
2018 regcache
->cooked_read_part (S390_F0_REGNUM
, 0, length
, out
);
2020 else if (code
== TYPE_CODE_ARRAY
)
2022 /* Vector: left-aligned in v24. */
2024 regcache
->cooked_write_part (S390_V24_REGNUM
, 0, length
, in
);
2026 regcache
->cooked_read_part (S390_V24_REGNUM
, 0, length
, out
);
2028 else if (length
<= word_size
)
2030 /* Integer: zero- or sign-extended in r2. */
2032 regcache
->cooked_read_part (S390_R2_REGNUM
, word_size
- length
, length
,
2034 else if (TYPE_UNSIGNED (type
))
2035 regcache_cooked_write_unsigned
2036 (regcache
, S390_R2_REGNUM
,
2037 extract_unsigned_integer (in
, length
, byte_order
));
2039 regcache_cooked_write_signed
2040 (regcache
, S390_R2_REGNUM
,
2041 extract_signed_integer (in
, length
, byte_order
));
2043 else if (length
== 2 * word_size
)
2045 /* Double word: in r2 and r3. */
2048 regcache
->cooked_write (S390_R2_REGNUM
, in
);
2049 regcache
->cooked_write (S390_R3_REGNUM
, in
+ word_size
);
2053 regcache
->cooked_read (S390_R2_REGNUM
, out
);
2054 regcache
->cooked_read (S390_R3_REGNUM
, out
+ word_size
);
2058 internal_error (__FILE__
, __LINE__
, _("invalid return type"));
2061 /* Implement the 'return_value' gdbarch method. */
2063 static enum return_value_convention
2064 s390_return_value (struct gdbarch
*gdbarch
, struct value
*function
,
2065 struct type
*type
, struct regcache
*regcache
,
2066 gdb_byte
*out
, const gdb_byte
*in
)
2068 enum return_value_convention rvc
;
2070 type
= check_typedef (type
);
2072 switch (TYPE_CODE (type
))
2074 case TYPE_CODE_STRUCT
:
2075 case TYPE_CODE_UNION
:
2076 case TYPE_CODE_COMPLEX
:
2077 rvc
= RETURN_VALUE_STRUCT_CONVENTION
;
2079 case TYPE_CODE_ARRAY
:
2080 rvc
= (gdbarch_tdep (gdbarch
)->vector_abi
== S390_VECTOR_ABI_128
2081 && TYPE_LENGTH (type
) <= 16 && TYPE_VECTOR (type
))
2082 ? RETURN_VALUE_REGISTER_CONVENTION
2083 : RETURN_VALUE_STRUCT_CONVENTION
;
2086 rvc
= TYPE_LENGTH (type
) <= 8
2087 ? RETURN_VALUE_REGISTER_CONVENTION
2088 : RETURN_VALUE_STRUCT_CONVENTION
;
2091 if (in
!= NULL
|| out
!= NULL
)
2093 if (rvc
== RETURN_VALUE_REGISTER_CONVENTION
)
2094 s390_register_return_value (gdbarch
, type
, regcache
, out
, in
);
2095 else if (in
!= NULL
)
2096 error (_("Cannot set function return value."));
2098 error (_("Function return value unknown."));
2104 /* Frame unwinding. */
2106 /* Implmement the stack_frame_destroyed_p gdbarch method. */
2109 s390_stack_frame_destroyed_p (struct gdbarch
*gdbarch
, CORE_ADDR pc
)
2111 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
2113 /* In frameless functions, there's no frame to destroy and thus
2114 we don't care about the epilogue.
2116 In functions with frame, the epilogue sequence is a pair of
2117 a LM-type instruction that restores (amongst others) the
2118 return register %r14 and the stack pointer %r15, followed
2119 by a branch 'br %r14' --or equivalent-- that effects the
2122 In that situation, this function needs to return 'true' in
2123 exactly one case: when pc points to that branch instruction.
2125 Thus we try to disassemble the one instructions immediately
2126 preceding pc and check whether it is an LM-type instruction
2127 modifying the stack pointer.
2129 Note that disassembling backwards is not reliable, so there
2130 is a slight chance of false positives here ... */
2133 unsigned int r1
, r3
, b2
;
2137 && !target_read_memory (pc
- 4, insn
, 4)
2138 && is_rs (insn
, op_lm
, &r1
, &r3
, &d2
, &b2
)
2139 && r3
== S390_SP_REGNUM
- S390_R0_REGNUM
)
2143 && !target_read_memory (pc
- 6, insn
, 6)
2144 && is_rsy (insn
, op1_lmy
, op2_lmy
, &r1
, &r3
, &d2
, &b2
)
2145 && r3
== S390_SP_REGNUM
- S390_R0_REGNUM
)
2149 && !target_read_memory (pc
- 6, insn
, 6)
2150 && is_rsy (insn
, op1_lmg
, op2_lmg
, &r1
, &r3
, &d2
, &b2
)
2151 && r3
== S390_SP_REGNUM
- S390_R0_REGNUM
)
2157 /* Implement unwind_pc gdbarch method. */
2160 s390_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
)
2162 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2164 pc
= frame_unwind_register_unsigned (next_frame
, tdep
->pc_regnum
);
2165 return gdbarch_addr_bits_remove (gdbarch
, pc
);
2168 /* Implement unwind_sp gdbarch method. */
2171 s390_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
)
2174 sp
= frame_unwind_register_unsigned (next_frame
, S390_SP_REGNUM
);
2175 return gdbarch_addr_bits_remove (gdbarch
, sp
);
2178 /* Helper routine to unwind pseudo registers. */
2180 static struct value
*
2181 s390_unwind_pseudo_register (struct frame_info
*this_frame
, int regnum
)
2183 struct gdbarch
*gdbarch
= get_frame_arch (this_frame
);
2184 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2185 struct type
*type
= register_type (gdbarch
, regnum
);
2187 /* Unwind PC via PSW address. */
2188 if (regnum
== tdep
->pc_regnum
)
2192 val
= frame_unwind_register_value (this_frame
, S390_PSWA_REGNUM
);
2193 if (!value_optimized_out (val
))
2195 LONGEST pswa
= value_as_long (val
);
2197 if (TYPE_LENGTH (type
) == 4)
2198 return value_from_pointer (type
, pswa
& 0x7fffffff);
2200 return value_from_pointer (type
, pswa
);
2204 /* Unwind CC via PSW mask. */
2205 if (regnum
== tdep
->cc_regnum
)
2209 val
= frame_unwind_register_value (this_frame
, S390_PSWM_REGNUM
);
2210 if (!value_optimized_out (val
))
2212 LONGEST pswm
= value_as_long (val
);
2214 if (TYPE_LENGTH (type
) == 4)
2215 return value_from_longest (type
, (pswm
>> 12) & 3);
2217 return value_from_longest (type
, (pswm
>> 44) & 3);
2221 /* Unwind full GPRs to show at least the lower halves (as the
2222 upper halves are undefined). */
2223 if (regnum_is_gpr_full (tdep
, regnum
))
2225 int reg
= regnum
- tdep
->gpr_full_regnum
;
2228 val
= frame_unwind_register_value (this_frame
, S390_R0_REGNUM
+ reg
);
2229 if (!value_optimized_out (val
))
2230 return value_cast (type
, val
);
2233 return allocate_optimized_out_value (type
);
2236 /* Translate a .eh_frame register to DWARF register, or adjust a
2237 .debug_frame register. */
2240 s390_adjust_frame_regnum (struct gdbarch
*gdbarch
, int num
, int eh_frame_p
)
2242 /* See s390_dwarf_reg_to_regnum for comments. */
2243 return (num
>= 0 && num
< 16) ? num
+ s390_dwarf_reg_r0l
: num
;
2246 /* DWARF-2 frame unwinding. */
2248 /* Function to unwind a pseudo-register in dwarf2_frame unwinder. Used by
2249 s390_dwarf2_frame_init_reg. */
2251 static struct value
*
2252 s390_dwarf2_prev_register (struct frame_info
*this_frame
, void **this_cache
,
2255 return s390_unwind_pseudo_register (this_frame
, regnum
);
2258 /* Implement init_reg dwarf2_frame method. */
2261 s390_dwarf2_frame_init_reg (struct gdbarch
*gdbarch
, int regnum
,
2262 struct dwarf2_frame_state_reg
*reg
,
2263 struct frame_info
*this_frame
)
2265 /* The condition code (and thus PSW mask) is call-clobbered. */
2266 if (regnum
== S390_PSWM_REGNUM
)
2267 reg
->how
= DWARF2_FRAME_REG_UNDEFINED
;
2269 /* The PSW address unwinds to the return address. */
2270 else if (regnum
== S390_PSWA_REGNUM
)
2271 reg
->how
= DWARF2_FRAME_REG_RA
;
2273 /* Fixed registers are call-saved or call-clobbered
2274 depending on the ABI in use. */
2275 else if (regnum
< S390_NUM_REGS
)
2277 if (s390_register_call_saved (gdbarch
, regnum
))
2278 reg
->how
= DWARF2_FRAME_REG_SAME_VALUE
;
2280 reg
->how
= DWARF2_FRAME_REG_UNDEFINED
;
2283 /* We install a special function to unwind pseudos. */
2286 reg
->how
= DWARF2_FRAME_REG_FN
;
2287 reg
->loc
.fn
= s390_dwarf2_prev_register
;
2291 /* Frame unwinding. */
2293 /* Wrapper for trad_frame_get_prev_register to allow for s390 pseudo
2294 register translation. */
2297 s390_trad_frame_prev_register (struct frame_info
*this_frame
,
2298 struct trad_frame_saved_reg saved_regs
[],
2301 if (regnum
< S390_NUM_REGS
)
2302 return trad_frame_get_prev_register (this_frame
, saved_regs
, regnum
);
2304 return s390_unwind_pseudo_register (this_frame
, regnum
);
2307 /* Normal stack frames. */
2309 struct s390_unwind_cache
{
2312 CORE_ADDR frame_base
;
2313 CORE_ADDR local_base
;
2315 struct trad_frame_saved_reg
*saved_regs
;
2318 /* Unwind THIS_FRAME and write the information into unwind cache INFO using
2319 prologue analysis. Helper for s390_frame_unwind_cache. */
2322 s390_prologue_frame_unwind_cache (struct frame_info
*this_frame
,
2323 struct s390_unwind_cache
*info
)
2325 struct gdbarch
*gdbarch
= get_frame_arch (this_frame
);
2326 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
2327 struct s390_prologue_data data
;
2328 pv_t
*fp
= &data
.gpr
[S390_FRAME_REGNUM
- S390_R0_REGNUM
];
2329 pv_t
*sp
= &data
.gpr
[S390_SP_REGNUM
- S390_R0_REGNUM
];
2338 struct frame_info
*next_frame
;
2340 /* Try to find the function start address. If we can't find it, we don't
2341 bother searching for it -- with modern compilers this would be mostly
2342 pointless anyway. Trust that we'll either have valid DWARF-2 CFI data
2343 or else a valid backchain ... */
2344 if (!get_frame_func_if_available (this_frame
, &info
->func
))
2351 /* Try to analyze the prologue. */
2352 result
= s390_analyze_prologue (gdbarch
, func
,
2353 get_frame_pc (this_frame
), &data
);
2357 /* If this was successful, we should have found the instruction that
2358 sets the stack pointer register to the previous value of the stack
2359 pointer minus the frame size. */
2360 if (!pv_is_register (*sp
, S390_SP_REGNUM
))
2363 /* A frame size of zero at this point can mean either a real
2364 frameless function, or else a failure to find the prologue.
2365 Perform some sanity checks to verify we really have a
2366 frameless function. */
2369 /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame
2370 size zero. This is only possible if the next frame is a sentinel
2371 frame, a dummy frame, or a signal trampoline frame. */
2372 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be
2373 needed, instead the code should simpliy rely on its
2375 next_frame
= get_next_frame (this_frame
);
2376 while (next_frame
&& get_frame_type (next_frame
) == INLINE_FRAME
)
2377 next_frame
= get_next_frame (next_frame
);
2379 && get_frame_type (get_next_frame (this_frame
)) == NORMAL_FRAME
)
2382 /* If we really have a frameless function, %r14 must be valid
2383 -- in particular, it must point to a different function. */
2384 reg
= get_frame_register_unsigned (this_frame
, S390_RETADDR_REGNUM
);
2385 reg
= gdbarch_addr_bits_remove (gdbarch
, reg
) - 1;
2386 if (get_pc_function_start (reg
) == func
)
2388 /* However, there is one case where it *is* valid for %r14
2389 to point to the same function -- if this is a recursive
2390 call, and we have stopped in the prologue *before* the
2391 stack frame was allocated.
2393 Recognize this case by looking ahead a bit ... */
2395 struct s390_prologue_data data2
;
2396 pv_t
*sp2
= &data2
.gpr
[S390_SP_REGNUM
- S390_R0_REGNUM
];
2398 if (!(s390_analyze_prologue (gdbarch
, func
, (CORE_ADDR
)-1, &data2
)
2399 && pv_is_register (*sp2
, S390_SP_REGNUM
)
2405 /* OK, we've found valid prologue data. */
2408 /* If the frame pointer originally also holds the same value
2409 as the stack pointer, we're probably using it. If it holds
2410 some other value -- even a constant offset -- it is most
2411 likely used as temp register. */
2412 if (pv_is_identical (*sp
, *fp
))
2413 frame_pointer
= S390_FRAME_REGNUM
;
2415 frame_pointer
= S390_SP_REGNUM
;
2417 /* If we've detected a function with stack frame, we'll still have to
2418 treat it as frameless if we're currently within the function epilog
2419 code at a point where the frame pointer has already been restored.
2420 This can only happen in an innermost frame. */
2421 /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed,
2422 instead the code should simpliy rely on its analysis. */
2423 next_frame
= get_next_frame (this_frame
);
2424 while (next_frame
&& get_frame_type (next_frame
) == INLINE_FRAME
)
2425 next_frame
= get_next_frame (next_frame
);
2427 && (next_frame
== NULL
2428 || get_frame_type (get_next_frame (this_frame
)) != NORMAL_FRAME
))
2430 /* See the comment in s390_stack_frame_destroyed_p on why this is
2431 not completely reliable ... */
2432 if (s390_stack_frame_destroyed_p (gdbarch
, get_frame_pc (this_frame
)))
2434 memset (&data
, 0, sizeof (data
));
2436 frame_pointer
= S390_SP_REGNUM
;
2440 /* Once we know the frame register and the frame size, we can unwind
2441 the current value of the frame register from the next frame, and
2442 add back the frame size to arrive that the previous frame's
2443 stack pointer value. */
2444 prev_sp
= get_frame_register_unsigned (this_frame
, frame_pointer
) + size
;
2445 cfa
= prev_sp
+ 16*word_size
+ 32;
2447 /* Set up ABI call-saved/call-clobbered registers. */
2448 for (i
= 0; i
< S390_NUM_REGS
; i
++)
2449 if (!s390_register_call_saved (gdbarch
, i
))
2450 trad_frame_set_unknown (info
->saved_regs
, i
);
2452 /* CC is always call-clobbered. */
2453 trad_frame_set_unknown (info
->saved_regs
, S390_PSWM_REGNUM
);
2455 /* Record the addresses of all register spill slots the prologue parser
2456 has recognized. Consider only registers defined as call-saved by the
2457 ABI; for call-clobbered registers the parser may have recognized
2460 for (i
= 0; i
< 16; i
++)
2461 if (s390_register_call_saved (gdbarch
, S390_R0_REGNUM
+ i
)
2462 && data
.gpr_slot
[i
] != 0)
2463 info
->saved_regs
[S390_R0_REGNUM
+ i
].addr
= cfa
- data
.gpr_slot
[i
];
2465 for (i
= 0; i
< 16; i
++)
2466 if (s390_register_call_saved (gdbarch
, S390_F0_REGNUM
+ i
)
2467 && data
.fpr_slot
[i
] != 0)
2468 info
->saved_regs
[S390_F0_REGNUM
+ i
].addr
= cfa
- data
.fpr_slot
[i
];
2470 /* Function return will set PC to %r14. */
2471 info
->saved_regs
[S390_PSWA_REGNUM
] = info
->saved_regs
[S390_RETADDR_REGNUM
];
2473 /* In frameless functions, we unwind simply by moving the return
2474 address to the PC. However, if we actually stored to the
2475 save area, use that -- we might only think the function frameless
2476 because we're in the middle of the prologue ... */
2478 && !trad_frame_addr_p (info
->saved_regs
, S390_PSWA_REGNUM
))
2480 info
->saved_regs
[S390_PSWA_REGNUM
].realreg
= S390_RETADDR_REGNUM
;
2483 /* Another sanity check: unless this is a frameless function,
2484 we should have found spill slots for SP and PC.
2485 If not, we cannot unwind further -- this happens e.g. in
2486 libc's thread_start routine. */
2489 if (!trad_frame_addr_p (info
->saved_regs
, S390_SP_REGNUM
)
2490 || !trad_frame_addr_p (info
->saved_regs
, S390_PSWA_REGNUM
))
2494 /* We use the current value of the frame register as local_base,
2495 and the top of the register save area as frame_base. */
2498 info
->frame_base
= prev_sp
+ 16*word_size
+ 32;
2499 info
->local_base
= prev_sp
- size
;
2505 /* Unwind THIS_FRAME and write the information into unwind cache INFO using
2506 back chain unwinding. Helper for s390_frame_unwind_cache. */
2509 s390_backchain_frame_unwind_cache (struct frame_info
*this_frame
,
2510 struct s390_unwind_cache
*info
)
2512 struct gdbarch
*gdbarch
= get_frame_arch (this_frame
);
2513 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
2514 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
2515 CORE_ADDR backchain
;
2520 /* Set up ABI call-saved/call-clobbered registers. */
2521 for (i
= 0; i
< S390_NUM_REGS
; i
++)
2522 if (!s390_register_call_saved (gdbarch
, i
))
2523 trad_frame_set_unknown (info
->saved_regs
, i
);
2525 /* CC is always call-clobbered. */
2526 trad_frame_set_unknown (info
->saved_regs
, S390_PSWM_REGNUM
);
2528 /* Get the backchain. */
2529 reg
= get_frame_register_unsigned (this_frame
, S390_SP_REGNUM
);
2530 if (!safe_read_memory_integer (reg
, word_size
, byte_order
, &tmp
))
2532 backchain
= (CORE_ADDR
) tmp
;
2534 /* A zero backchain terminates the frame chain. As additional
2535 sanity check, let's verify that the spill slot for SP in the
2536 save area pointed to by the backchain in fact links back to
2539 && safe_read_memory_integer (backchain
+ 15*word_size
,
2540 word_size
, byte_order
, &sp
)
2541 && (CORE_ADDR
)sp
== backchain
)
2543 /* We don't know which registers were saved, but it will have
2544 to be at least %r14 and %r15. This will allow us to continue
2545 unwinding, but other prev-frame registers may be incorrect ... */
2546 info
->saved_regs
[S390_SP_REGNUM
].addr
= backchain
+ 15*word_size
;
2547 info
->saved_regs
[S390_RETADDR_REGNUM
].addr
= backchain
+ 14*word_size
;
2549 /* Function return will set PC to %r14. */
2550 info
->saved_regs
[S390_PSWA_REGNUM
]
2551 = info
->saved_regs
[S390_RETADDR_REGNUM
];
2553 /* We use the current value of the frame register as local_base,
2554 and the top of the register save area as frame_base. */
2555 info
->frame_base
= backchain
+ 16*word_size
+ 32;
2556 info
->local_base
= reg
;
2559 info
->func
= get_frame_pc (this_frame
);
2562 /* Unwind THIS_FRAME and return the corresponding unwind cache for
2563 s390_frame_unwind and s390_frame_base. */
2565 static struct s390_unwind_cache
*
2566 s390_frame_unwind_cache (struct frame_info
*this_frame
,
2567 void **this_prologue_cache
)
2569 struct s390_unwind_cache
*info
;
2571 if (*this_prologue_cache
)
2572 return (struct s390_unwind_cache
*) *this_prologue_cache
;
2574 info
= FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache
);
2575 *this_prologue_cache
= info
;
2576 info
->saved_regs
= trad_frame_alloc_saved_regs (this_frame
);
2578 info
->frame_base
= -1;
2579 info
->local_base
= -1;
2583 /* Try to use prologue analysis to fill the unwind cache.
2584 If this fails, fall back to reading the stack backchain. */
2585 if (!s390_prologue_frame_unwind_cache (this_frame
, info
))
2586 s390_backchain_frame_unwind_cache (this_frame
, info
);
2588 catch (const gdb_exception_error
&ex
)
2590 if (ex
.error
!= NOT_AVAILABLE_ERROR
)
2597 /* Implement this_id frame_unwind method for s390_frame_unwind. */
2600 s390_frame_this_id (struct frame_info
*this_frame
,
2601 void **this_prologue_cache
,
2602 struct frame_id
*this_id
)
2604 struct s390_unwind_cache
*info
2605 = s390_frame_unwind_cache (this_frame
, this_prologue_cache
);
2607 if (info
->frame_base
== -1)
2609 if (info
->func
!= -1)
2610 *this_id
= frame_id_build_unavailable_stack (info
->func
);
2614 *this_id
= frame_id_build (info
->frame_base
, info
->func
);
2617 /* Implement prev_register frame_unwind method for s390_frame_unwind. */
2619 static struct value
*
2620 s390_frame_prev_register (struct frame_info
*this_frame
,
2621 void **this_prologue_cache
, int regnum
)
2623 struct s390_unwind_cache
*info
2624 = s390_frame_unwind_cache (this_frame
, this_prologue_cache
);
2626 return s390_trad_frame_prev_register (this_frame
, info
->saved_regs
, regnum
);
2629 /* Default S390 frame unwinder. */
2631 static const struct frame_unwind s390_frame_unwind
= {
2633 default_frame_unwind_stop_reason
,
2635 s390_frame_prev_register
,
2637 default_frame_sniffer
2640 /* Code stubs and their stack frames. For things like PLTs and NULL
2641 function calls (where there is no true frame and the return address
2642 is in the RETADDR register). */
2644 struct s390_stub_unwind_cache
2646 CORE_ADDR frame_base
;
2647 struct trad_frame_saved_reg
*saved_regs
;
2650 /* Unwind THIS_FRAME and return the corresponding unwind cache for
2651 s390_stub_frame_unwind. */
2653 static struct s390_stub_unwind_cache
*
2654 s390_stub_frame_unwind_cache (struct frame_info
*this_frame
,
2655 void **this_prologue_cache
)
2657 struct gdbarch
*gdbarch
= get_frame_arch (this_frame
);
2658 int word_size
= gdbarch_ptr_bit (gdbarch
) / 8;
2659 struct s390_stub_unwind_cache
*info
;
2662 if (*this_prologue_cache
)
2663 return (struct s390_stub_unwind_cache
*) *this_prologue_cache
;
2665 info
= FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache
);
2666 *this_prologue_cache
= info
;
2667 info
->saved_regs
= trad_frame_alloc_saved_regs (this_frame
);
2669 /* The return address is in register %r14. */
2670 info
->saved_regs
[S390_PSWA_REGNUM
].realreg
= S390_RETADDR_REGNUM
;
2672 /* Retrieve stack pointer and determine our frame base. */
2673 reg
= get_frame_register_unsigned (this_frame
, S390_SP_REGNUM
);
2674 info
->frame_base
= reg
+ 16*word_size
+ 32;
2679 /* Implement this_id frame_unwind method for s390_stub_frame_unwind. */
2682 s390_stub_frame_this_id (struct frame_info
*this_frame
,
2683 void **this_prologue_cache
,
2684 struct frame_id
*this_id
)
2686 struct s390_stub_unwind_cache
*info
2687 = s390_stub_frame_unwind_cache (this_frame
, this_prologue_cache
);
2688 *this_id
= frame_id_build (info
->frame_base
, get_frame_pc (this_frame
));
2691 /* Implement prev_register frame_unwind method for s390_stub_frame_unwind. */
2693 static struct value
*
2694 s390_stub_frame_prev_register (struct frame_info
*this_frame
,
2695 void **this_prologue_cache
, int regnum
)
2697 struct s390_stub_unwind_cache
*info
2698 = s390_stub_frame_unwind_cache (this_frame
, this_prologue_cache
);
2699 return s390_trad_frame_prev_register (this_frame
, info
->saved_regs
, regnum
);
2702 /* Implement sniffer frame_unwind method for s390_stub_frame_unwind. */
2705 s390_stub_frame_sniffer (const struct frame_unwind
*self
,
2706 struct frame_info
*this_frame
,
2707 void **this_prologue_cache
)
2709 CORE_ADDR addr_in_block
;
2710 bfd_byte insn
[S390_MAX_INSTR_SIZE
];
2712 /* If the current PC points to non-readable memory, we assume we
2713 have trapped due to an invalid function pointer call. We handle
2714 the non-existing current function like a PLT stub. */
2715 addr_in_block
= get_frame_address_in_block (this_frame
);
2716 if (in_plt_section (addr_in_block
)
2717 || s390_readinstruction (insn
, get_frame_pc (this_frame
)) < 0)
2722 /* S390 stub frame unwinder. */
2724 static const struct frame_unwind s390_stub_frame_unwind
= {
2726 default_frame_unwind_stop_reason
,
2727 s390_stub_frame_this_id
,
2728 s390_stub_frame_prev_register
,
2730 s390_stub_frame_sniffer
2733 /* Frame base handling. */
2736 s390_frame_base_address (struct frame_info
*this_frame
, void **this_cache
)
2738 struct s390_unwind_cache
*info
2739 = s390_frame_unwind_cache (this_frame
, this_cache
);
2740 return info
->frame_base
;
2744 s390_local_base_address (struct frame_info
*this_frame
, void **this_cache
)
2746 struct s390_unwind_cache
*info
2747 = s390_frame_unwind_cache (this_frame
, this_cache
);
2748 return info
->local_base
;
2751 static const struct frame_base s390_frame_base
= {
2753 s390_frame_base_address
,
2754 s390_local_base_address
,
2755 s390_local_base_address
2758 /* Process record-replay */
2760 /* Takes the intermediate sum of address calculations and masks off upper
2761 bits according to current addressing mode. */
2764 s390_record_address_mask (struct gdbarch
*gdbarch
, struct regcache
*regcache
,
2767 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2768 ULONGEST pswm
, pswa
;
2770 if (tdep
->abi
== ABI_LINUX_S390
)
2772 regcache_raw_read_unsigned (regcache
, S390_PSWA_REGNUM
, &pswa
);
2773 am
= pswa
>> 31 & 1;
2777 regcache_raw_read_unsigned (regcache
, S390_PSWM_REGNUM
, &pswm
);
2778 am
= pswm
>> 31 & 3;
2783 return val
& 0xffffff;
2785 return val
& 0x7fffffff;
2789 fprintf_unfiltered (gdb_stdlog
, "Warning: Addressing mode %d used.", am
);
2794 /* Calculates memory address using pre-calculated index, raw instruction word
2795 with b and d/dl fields, and raw instruction byte with dh field. Index and
2796 dh should be set to 0 if unused. */
2799 s390_record_calc_disp_common (struct gdbarch
*gdbarch
, struct regcache
*regcache
,
2800 ULONGEST x
, uint16_t bd
, int8_t dh
)
2802 uint8_t rb
= bd
>> 12 & 0xf;
2803 int32_t d
= (bd
& 0xfff) | ((int32_t)dh
<< 12);
2805 CORE_ADDR res
= d
+ x
;
2808 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ rb
, &b
);
2811 return s390_record_address_mask (gdbarch
, regcache
, res
);
2814 /* Calculates memory address using raw x, b + d/dl, dh fields from
2815 instruction. rx and dh should be set to 0 if unused. */
2818 s390_record_calc_disp (struct gdbarch
*gdbarch
, struct regcache
*regcache
,
2819 uint8_t rx
, uint16_t bd
, int8_t dh
)
2823 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ rx
, &x
);
2824 return s390_record_calc_disp_common (gdbarch
, regcache
, x
, bd
, dh
);
2827 /* Calculates memory address for VSCE[GF] instructions. */
2830 s390_record_calc_disp_vsce (struct gdbarch
*gdbarch
, struct regcache
*regcache
,
2831 uint8_t vx
, uint8_t el
, uint8_t es
, uint16_t bd
,
2832 int8_t dh
, CORE_ADDR
*res
)
2834 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2835 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
2838 if (tdep
->v0_full_regnum
== -1 || el
* es
>= 16)
2841 regcache
->cooked_read (tdep
->v0_full_regnum
+ vx
, buf
);
2843 regcache
->raw_read (S390_V16_REGNUM
+ vx
- 16, buf
);
2844 x
= extract_unsigned_integer (buf
+ el
* es
, es
, byte_order
);
2845 *res
= s390_record_calc_disp_common (gdbarch
, regcache
, x
, bd
, dh
);
2849 /* Calculates memory address for instructions with relative long addressing. */
2852 s390_record_calc_rl (struct gdbarch
*gdbarch
, struct regcache
*regcache
,
2853 CORE_ADDR addr
, uint16_t i1
, uint16_t i2
)
2855 int32_t ri
= i1
<< 16 | i2
;
2856 return s390_record_address_mask (gdbarch
, regcache
, addr
+ (LONGEST
)ri
* 2);
2859 /* Population count helper. */
2861 static int s390_popcnt (unsigned int x
) {
2872 /* Record 64-bit register. */
2875 s390_record_gpr_g (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int i
)
2877 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2878 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ i
))
2880 if (tdep
->abi
== ABI_LINUX_S390
)
2881 if (record_full_arch_list_add_reg (regcache
, S390_R0_UPPER_REGNUM
+ i
))
2886 /* Record high 32 bits of a register. */
2889 s390_record_gpr_h (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int i
)
2891 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2892 if (tdep
->abi
== ABI_LINUX_S390
)
2894 if (record_full_arch_list_add_reg (regcache
, S390_R0_UPPER_REGNUM
+ i
))
2899 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ i
))
2905 /* Record vector register. */
2908 s390_record_vr (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int i
)
2912 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ i
))
2914 if (record_full_arch_list_add_reg (regcache
, S390_V0_LOWER_REGNUM
+ i
))
2919 if (record_full_arch_list_add_reg (regcache
, S390_V16_REGNUM
+ i
- 16))
2925 /* Implement process_record gdbarch method. */
2928 s390_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
,
2931 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2932 uint16_t insn
[3] = {0};
2933 /* Instruction as bytes. */
2935 /* Instruction as nibbles. */
2937 /* Instruction vector registers. */
2939 CORE_ADDR oaddr
, oaddr2
, oaddr3
;
2942 /* if EX/EXRL instruction used, here's the reg parameter */
2944 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
2946 /* Attempting to use EX or EXRL jumps back here */
2949 /* Read instruction. */
2950 insn
[0] = read_memory_unsigned_integer (addr
, 2, byte_order
);
2951 /* If execute was involved, do the adjustment. */
2953 insn
[0] |= ex
& 0xff;
2954 /* Two highest bits determine instruction size. */
2955 if (insn
[0] >= 0x4000)
2956 insn
[1] = read_memory_unsigned_integer (addr
+2, 2, byte_order
);
2958 /* Not necessary, but avoids uninitialized variable warnings. */
2960 if (insn
[0] >= 0xc000)
2961 insn
[2] = read_memory_unsigned_integer (addr
+4, 2, byte_order
);
2964 /* Split instruction into bytes and nibbles. */
2965 for (i
= 0; i
< 3; i
++)
2967 ibyte
[i
*2] = insn
[i
] >> 8 & 0xff;
2968 ibyte
[i
*2+1] = insn
[i
] & 0xff;
2970 for (i
= 0; i
< 6; i
++)
2972 inib
[i
*2] = ibyte
[i
] >> 4 & 0xf;
2973 inib
[i
*2+1] = ibyte
[i
] & 0xf;
2975 /* Compute vector registers, if applicable. */
2976 ivec
[0] = (inib
[9] >> 3 & 1) << 4 | inib
[2];
2977 ivec
[1] = (inib
[9] >> 2 & 1) << 4 | inib
[3];
2978 ivec
[2] = (inib
[9] >> 1 & 1) << 4 | inib
[4];
2979 ivec
[3] = (inib
[9] >> 0 & 1) << 4 | inib
[8];
2983 /* 0x00 undefined */
2986 /* E-format instruction */
2989 /* 0x00 undefined */
2990 /* 0x01 unsupported: PR - program return */
2991 /* 0x02 unsupported: UPT */
2992 /* 0x03 undefined */
2993 /* 0x04 privileged: PTFF - perform timing facility function */
2994 /* 0x05-0x06 undefined */
2995 /* 0x07 privileged: SCKPF - set clock programmable field */
2996 /* 0x08-0x09 undefined */
2998 case 0x0a: /* PFPO - perform floating point operation */
2999 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
3000 if (!(tmp
& 0x80000000u
))
3002 uint8_t ofc
= tmp
>> 16 & 0xff;
3005 case 0x00: /* HFP32 */
3006 case 0x01: /* HFP64 */
3007 case 0x05: /* BFP32 */
3008 case 0x06: /* BFP64 */
3009 case 0x08: /* DFP32 */
3010 case 0x09: /* DFP64 */
3011 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
))
3014 case 0x02: /* HFP128 */
3015 case 0x07: /* BFP128 */
3016 case 0x0a: /* DFP128 */
3017 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
))
3019 if (record_full_arch_list_add_reg (regcache
, S390_F2_REGNUM
))
3023 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown PFPO OFC %02x at %s.\n",
3024 ofc
, paddress (gdbarch
, addr
));
3028 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3031 if (record_full_arch_list_add_reg (regcache
, S390_R1_REGNUM
))
3033 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3037 case 0x0b: /* TAM - test address mode */
3038 case 0x0c: /* SAM24 - set address mode 24 */
3039 case 0x0d: /* SAM31 - set address mode 31 */
3040 case 0x0e: /* SAM64 - set address mode 64 */
3041 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3045 /* 0x0f-0xfe undefined */
3047 /* 0xff unsupported: TRAP */
3054 /* 0x02 undefined */
3055 /* 0x03 undefined */
3057 case 0x04: /* SPM - set program mask */
3058 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3062 case 0x05: /* BALR - branch and link */
3063 case 0x45: /* BAL - branch and link */
3064 case 0x06: /* BCTR - branch on count */
3065 case 0x46: /* BCT - branch on count */
3066 case 0x0d: /* BASR - branch and save */
3067 case 0x4d: /* BAS - branch and save */
3068 case 0x84: /* BRXH - branch relative on index high */
3069 case 0x85: /* BRXLE - branch relative on index low or equal */
3070 case 0x86: /* BXH - branch on index high */
3071 case 0x87: /* BXLE - branch on index low or equal */
3072 /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX*
3073 use 32-bit destination as counter. */
3074 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3078 case 0x07: /* BCR - branch on condition */
3079 case 0x47: /* BC - branch on condition */
3080 /* No effect other than PC transfer. */
3083 /* 0x08 undefined */
3084 /* 0x09 undefined */
3087 /* SVC - supervisor call */
3088 if (tdep
->s390_syscall_record
!= NULL
)
3090 if (tdep
->s390_syscall_record (regcache
, ibyte
[1]))
3095 printf_unfiltered (_("no syscall record support\n"));
3100 case 0x0b: /* BSM - branch and set mode */
3102 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3104 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3108 case 0x0c: /* BASSM - branch and save and set mode */
3109 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3111 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3115 case 0x0e: /* MVCL - move long [interruptible] */
3116 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[2], &tmp
);
3117 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
3118 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1), &tmp
);
3120 if (record_full_arch_list_add_mem (oaddr
, tmp
))
3122 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3124 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
3126 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
3128 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[3] | 1)))
3130 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3134 case 0x0f: /* CLCL - compare logical long [interruptible] */
3135 case 0xa9: /* CLCLE - compare logical long extended [partial] */
3136 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3138 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
3140 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
3142 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[3] | 1)))
3144 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3148 case 0x10: /* LPR - load positive */
3149 case 0x11: /* LNR - load negative */
3150 case 0x12: /* LTR - load and test */
3151 case 0x13: /* LCR - load complement */
3152 case 0x14: /* NR - and */
3153 case 0x16: /* OR - or */
3154 case 0x17: /* XR - xor */
3155 case 0x1a: /* AR - add */
3156 case 0x1b: /* SR - subtract */
3157 case 0x1e: /* ALR - add logical */
3158 case 0x1f: /* SLR - subtract logical */
3159 case 0x54: /* N - and */
3160 case 0x56: /* O - or */
3161 case 0x57: /* X - xor */
3162 case 0x5a: /* A - add */
3163 case 0x5b: /* S - subtract */
3164 case 0x5e: /* AL - add logical */
3165 case 0x5f: /* SL - subtract logical */
3166 case 0x4a: /* AH - add halfword */
3167 case 0x4b: /* SH - subtract halfword */
3168 case 0x8a: /* SRA - shift right single */
3169 case 0x8b: /* SLA - shift left single */
3170 case 0xbf: /* ICM - insert characters under mask */
3171 /* 32-bit destination + flags */
3172 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3174 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3178 case 0x15: /* CLR - compare logical */
3179 case 0x55: /* CL - compare logical */
3180 case 0x19: /* CR - compare */
3181 case 0x29: /* CDR - compare */
3182 case 0x39: /* CER - compare */
3183 case 0x49: /* CH - compare halfword */
3184 case 0x59: /* C - compare */
3185 case 0x69: /* CD - compare */
3186 case 0x79: /* CE - compare */
3187 case 0x91: /* TM - test under mask */
3188 case 0x95: /* CLI - compare logical */
3189 case 0xbd: /* CLM - compare logical under mask */
3190 case 0xd5: /* CLC - compare logical */
3191 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3195 case 0x18: /* LR - load */
3196 case 0x48: /* LH - load halfword */
3197 case 0x58: /* L - load */
3198 case 0x41: /* LA - load address */
3199 case 0x43: /* IC - insert character */
3200 case 0x4c: /* MH - multiply halfword */
3201 case 0x71: /* MS - multiply single */
3202 case 0x88: /* SRL - shift right single logical */
3203 case 0x89: /* SLL - shift left single logical */
3204 /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */
3205 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3209 case 0x1c: /* MR - multiply */
3210 case 0x5c: /* M - multiply */
3211 case 0x1d: /* DR - divide */
3212 case 0x5d: /* D - divide */
3213 case 0x8c: /* SRDL - shift right double logical */
3214 case 0x8d: /* SLDL - shift left double logical */
3215 /* 32-bit pair destination, no flags */
3216 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3218 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
3222 case 0x20: /* LPDR - load positive */
3223 case 0x30: /* LPER - load positive */
3224 case 0x21: /* LNDR - load negative */
3225 case 0x31: /* LNER - load negative */
3226 case 0x22: /* LTDR - load and test */
3227 case 0x32: /* LTER - load and test */
3228 case 0x23: /* LCDR - load complement */
3229 case 0x33: /* LCER - load complement */
3230 case 0x2a: /* ADR - add */
3231 case 0x3a: /* AER - add */
3232 case 0x6a: /* AD - add */
3233 case 0x7a: /* AE - add */
3234 case 0x2b: /* SDR - subtract */
3235 case 0x3b: /* SER - subtract */
3236 case 0x6b: /* SD - subtract */
3237 case 0x7b: /* SE - subtract */
3238 case 0x2e: /* AWR - add unnormalized */
3239 case 0x3e: /* AUR - add unnormalized */
3240 case 0x6e: /* AW - add unnormalized */
3241 case 0x7e: /* AU - add unnormalized */
3242 case 0x2f: /* SWR - subtract unnormalized */
3243 case 0x3f: /* SUR - subtract unnormalized */
3244 case 0x6f: /* SW - subtract unnormalized */
3245 case 0x7f: /* SU - subtract unnormalized */
3246 /* float destination + flags */
3247 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
3249 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3253 case 0x24: /* HDR - halve */
3254 case 0x34: /* HER - halve */
3255 case 0x25: /* LDXR - load rounded */
3256 case 0x35: /* LEDR - load rounded */
3257 case 0x28: /* LDR - load */
3258 case 0x38: /* LER - load */
3259 case 0x68: /* LD - load */
3260 case 0x78: /* LE - load */
3261 case 0x2c: /* MDR - multiply */
3262 case 0x3c: /* MDER - multiply */
3263 case 0x6c: /* MD - multiply */
3264 case 0x7c: /* MDE - multiply */
3265 case 0x2d: /* DDR - divide */
3266 case 0x3d: /* DER - divide */
3267 case 0x6d: /* DD - divide */
3268 case 0x7d: /* DE - divide */
3269 /* float destination, no flags */
3270 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
3274 case 0x26: /* MXR - multiply */
3275 case 0x27: /* MXDR - multiply */
3276 case 0x67: /* MXD - multiply */
3277 /* float pair destination, no flags */
3278 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
3280 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[2] | 2)))
3284 case 0x36: /* AXR - add */
3285 case 0x37: /* SXR - subtract */
3286 /* float pair destination + flags */
3287 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
3289 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[2] | 2)))
3291 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3295 case 0x40: /* STH - store halfword */
3296 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
3297 if (record_full_arch_list_add_mem (oaddr
, 2))
3301 case 0x42: /* STC - store character */
3302 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
3303 if (record_full_arch_list_add_mem (oaddr
, 1))
3307 case 0x44: /* EX - execute */
3310 fprintf_unfiltered (gdb_stdlog
, "Warning: Double execute at %s.\n",
3311 paddress (gdbarch
, addr
));
3314 addr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
3317 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[2], &tmp
);
3326 case 0x4e: /* CVD - convert to decimal */
3327 case 0x60: /* STD - store */
3328 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
3329 if (record_full_arch_list_add_mem (oaddr
, 8))
3333 case 0x4f: /* CVB - convert to binary */
3334 /* 32-bit gpr destination + FPC (DXC write) */
3335 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3337 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3341 case 0x50: /* ST - store */
3342 case 0x70: /* STE - store */
3343 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
3344 if (record_full_arch_list_add_mem (oaddr
, 4))
3348 case 0x51: /* LAE - load address extended */
3349 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3351 if (record_full_arch_list_add_reg (regcache
, S390_A0_REGNUM
+ inib
[2]))
3355 /* 0x52 undefined */
3356 /* 0x53 undefined */
3358 /* 0x61-0x66 undefined */
3360 /* 0x72-0x77 undefined */
3362 /* 0x80 privileged: SSM - set system mask */
3363 /* 0x81 undefined */
3364 /* 0x82 privileged: LPSW - load PSW */
3365 /* 0x83 privileged: diagnose */
3367 case 0x8e: /* SRDA - shift right double */
3368 case 0x8f: /* SLDA - shift left double */
3369 /* 32-bit pair destination + flags */
3370 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3372 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
3374 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3378 case 0x90: /* STM - store multiple */
3379 case 0x9b: /* STAM - store access multiple */
3380 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
3381 if (inib
[2] <= inib
[3])
3382 n
= inib
[3] - inib
[2] + 1;
3384 n
= inib
[3] + 0x10 - inib
[2] + 1;
3385 if (record_full_arch_list_add_mem (oaddr
, n
* 4))
3389 case 0x92: /* MVI - move */
3390 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
3391 if (record_full_arch_list_add_mem (oaddr
, 1))
3395 case 0x93: /* TS - test and set */
3396 case 0x94: /* NI - and */
3397 case 0x96: /* OI - or */
3398 case 0x97: /* XI - xor */
3399 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
3400 if (record_full_arch_list_add_mem (oaddr
, 1))
3402 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3406 case 0x98: /* LM - load multiple */
3407 for (i
= inib
[2]; i
!= inib
[3]; i
++, i
&= 0xf)
3408 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ i
))
3410 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
3414 /* 0x99 privileged: TRACE */
3416 case 0x9a: /* LAM - load access multiple */
3417 for (i
= inib
[2]; i
!= inib
[3]; i
++, i
&= 0xf)
3418 if (record_full_arch_list_add_reg (regcache
, S390_A0_REGNUM
+ i
))
3420 if (record_full_arch_list_add_reg (regcache
, S390_A0_REGNUM
+ inib
[3]))
3424 /* 0x9c-0x9f privileged and obsolete (old I/O) */
3425 /* 0xa0-0xa4 undefined */
3429 /* RI-format instruction */
3430 switch (ibyte
[0] << 4 | inib
[3])
3432 case 0xa50: /* IIHH - insert immediate */
3433 case 0xa51: /* IIHL - insert immediate */
3434 /* high 32-bit destination */
3435 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
3439 case 0xa52: /* IILH - insert immediate */
3440 case 0xa53: /* IILL - insert immediate */
3441 case 0xa75: /* BRAS - branch relative and save */
3442 case 0xa76: /* BRCT - branch relative on count */
3443 case 0xa78: /* LHI - load halfword immediate */
3444 case 0xa7c: /* MHI - multiply halfword immediate */
3445 /* 32-bit or native destination */
3446 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3450 case 0xa54: /* NIHH - and immediate */
3451 case 0xa55: /* NIHL - and immediate */
3452 case 0xa58: /* OIHH - or immediate */
3453 case 0xa59: /* OIHL - or immediate */
3454 /* high 32-bit destination + flags */
3455 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
3457 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3461 case 0xa56: /* NILH - and immediate */
3462 case 0xa57: /* NILL - and immediate */
3463 case 0xa5a: /* OILH - or immediate */
3464 case 0xa5b: /* OILL - or immediate */
3465 case 0xa7a: /* AHI - add halfword immediate */
3466 /* 32-bit destination + flags */
3467 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3469 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3473 case 0xa5c: /* LLIHH - load logical immediate */
3474 case 0xa5d: /* LLIHL - load logical immediate */
3475 case 0xa5e: /* LLILH - load logical immediate */
3476 case 0xa5f: /* LLILL - load logical immediate */
3477 case 0xa77: /* BRCTG - branch relative on count */
3478 case 0xa79: /* LGHI - load halfword immediate */
3479 case 0xa7d: /* MGHI - multiply halfword immediate */
3480 /* 64-bit destination */
3481 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
3485 case 0xa70: /* TMLH - test under mask */
3486 case 0xa71: /* TMLL - test under mask */
3487 case 0xa72: /* TMHH - test under mask */
3488 case 0xa73: /* TMHL - test under mask */
3489 case 0xa7e: /* CHI - compare halfword immediate */
3490 case 0xa7f: /* CGHI - compare halfword immediate */
3492 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3496 case 0xa74: /* BRC - branch relative on condition */
3497 /* no register change */
3500 case 0xa7b: /* AGHI - add halfword immediate */
3501 /* 64-bit destination + flags */
3502 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
3504 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3513 /* 0xa6 undefined */
3515 case 0xa8: /* MVCLE - move long extended [partial] */
3516 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[2], &tmp
);
3517 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
3518 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1), &tmp
);
3519 if (record_full_arch_list_add_mem (oaddr
, tmp
))
3521 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
3523 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
3525 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
3527 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[3] | 1)))
3529 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3533 /* 0xaa-0xab undefined */
3534 /* 0xac privileged: STNSM - store then and system mask */
3535 /* 0xad privileged: STOSM - store then or system mask */
3536 /* 0xae privileged: SIGP - signal processor */
3537 /* 0xaf unsupported: MC - monitor call */
3538 /* 0xb0 undefined */
3539 /* 0xb1 privileged: LRA - load real address */
3544 /* S/RRD/RRE/RRF/IE-format instruction */
3547 /* 0xb200-0xb204 undefined or privileged */
3549 case 0xb205: /* STCK - store clock */
3550 case 0xb27c: /* STCKF - store clock fast */
3551 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
3552 if (record_full_arch_list_add_mem (oaddr
, 8))
3554 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3558 /* 0xb206-0xb219 undefined, privileged, or unsupported */
3559 /* 0xb21a unsupported: CFC */
3560 /* 0xb21b-0xb221 undefined or privileged */
3562 case 0xb222: /* IPM - insert program mask */
3563 case 0xb24f: /* EAR - extract access */
3564 case 0xb252: /* MSR - multiply single */
3565 case 0xb2ec: /* ETND - extract transaction nesting depth */
3566 case 0xb38c: /* EFPC - extract fpc */
3567 case 0xb91f: /* LRVR - load reversed */
3568 case 0xb926: /* LBR - load byte */
3569 case 0xb927: /* LHR - load halfword */
3570 case 0xb994: /* LLCR - load logical character */
3571 case 0xb995: /* LLHR - load logical halfword */
3572 case 0xb9f2: /* LOCR - load on condition */
3573 /* 32-bit gpr destination */
3574 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3578 /* 0xb223-0xb22c privileged or unsupported */
3580 case 0xb22d: /* DXR - divide */
3581 case 0xb325: /* LXDR - load lengthened */
3582 case 0xb326: /* LXER - load lengthened */
3583 case 0xb336: /* SQXR - square root */
3584 case 0xb365: /* LXR - load */
3585 case 0xb367: /* FIXR - load fp integer */
3586 case 0xb376: /* LZXR - load zero */
3587 case 0xb3b6: /* CXFR - convert from fixed */
3588 case 0xb3c6: /* CXGR - convert from fixed */
3589 case 0xb3fe: /* IEXTR - insert biased exponent */
3590 /* float pair destination */
3591 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
3593 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[6] | 2)))
3597 /* 0xb22e-0xb240 undefined, privileged, or unsupported */
3599 case 0xb241: /* CKSM - checksum [partial] */
3600 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3602 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
3604 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
3606 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3610 /* 0xb242-0xb243 undefined */
3612 case 0xb244: /* SQDR - square root */
3613 case 0xb245: /* SQER - square root */
3614 case 0xb324: /* LDER - load lengthened */
3615 case 0xb337: /* MEER - multiply */
3616 case 0xb366: /* LEXR - load rounded */
3617 case 0xb370: /* LPDFR - load positive */
3618 case 0xb371: /* LNDFR - load negative */
3619 case 0xb372: /* CSDFR - copy sign */
3620 case 0xb373: /* LCDFR - load complement */
3621 case 0xb374: /* LZER - load zero */
3622 case 0xb375: /* LZDR - load zero */
3623 case 0xb377: /* FIER - load fp integer */
3624 case 0xb37f: /* FIDR - load fp integer */
3625 case 0xb3b4: /* CEFR - convert from fixed */
3626 case 0xb3b5: /* CDFR - convert from fixed */
3627 case 0xb3c1: /* LDGR - load fpr from gr */
3628 case 0xb3c4: /* CEGR - convert from fixed */
3629 case 0xb3c5: /* CDGR - convert from fixed */
3630 case 0xb3f6: /* IEDTR - insert biased exponent */
3631 /* float destination */
3632 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
3636 /* 0xb246-0xb24c: privileged or unsupported */
3638 case 0xb24d: /* CPYA - copy access */
3639 case 0xb24e: /* SAR - set access */
3640 if (record_full_arch_list_add_reg (regcache
, S390_A0_REGNUM
+ inib
[6]))
3644 /* 0xb250-0xb251 undefined or privileged */
3645 /* 0xb253-0xb254 undefined or privileged */
3647 case 0xb255: /* MVST - move string [partial] */
3652 /* Read ending byte. */
3653 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
3655 /* Get address of second operand. */
3656 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[7], &tmp
);
3657 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
3658 /* Search for ending byte and compute length. */
3661 if (target_read_memory (oaddr
, &cur
, 1))
3664 } while (cur
!= end
);
3665 /* Get address of first operand and record it. */
3666 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
3667 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
3668 if (record_full_arch_list_add_mem (oaddr
, num
))
3670 /* Record the registers. */
3671 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3673 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
3675 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3680 /* 0xb256 undefined */
3682 case 0xb257: /* CUSE - compare until substring equal [interruptible] */
3683 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3685 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
3687 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
3689 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
3691 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3695 /* 0xb258-0xb25c undefined, privileged, or unsupported */
3697 case 0xb25d: /* CLST - compare logical string [partial] */
3698 case 0xb25e: /* SRST - search string [partial] */
3699 case 0xb9be: /* SRSTU - search string unicode [partial] */
3700 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3702 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
3704 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3708 /* 0xb25f-0xb262 undefined */
3710 case 0xb263: /* CMPSC - compression call [interruptible] */
3711 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
3712 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
3713 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1), &tmp
);
3714 if (record_full_arch_list_add_mem (oaddr
, tmp
))
3716 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3718 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
3720 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
3722 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
3724 if (record_full_arch_list_add_reg (regcache
, S390_R1_REGNUM
))
3726 /* DXC may be written */
3727 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3729 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3733 /* 0xb264-0xb277 undefined, privileged, or unsupported */
3735 case 0xb278: /* STCKE - store clock extended */
3736 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
3737 if (record_full_arch_list_add_mem (oaddr
, 16))
3739 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3743 /* 0xb279-0xb27b undefined or unsupported */
3744 /* 0xb27d-0xb298 undefined or privileged */
3746 case 0xb299: /* SRNM - set rounding mode */
3747 case 0xb2b8: /* SRNMB - set bfp rounding mode */
3748 case 0xb2b9: /* SRNMT - set dfp rounding mode */
3749 case 0xb29d: /* LFPC - load fpc */
3750 case 0xb2bd: /* LFAS - load fpc and signal */
3751 case 0xb384: /* SFPC - set fpc */
3752 case 0xb385: /* SFASR - set fpc and signal */
3753 case 0xb960: /* CGRT - compare and trap */
3754 case 0xb961: /* CLGRT - compare logical and trap */
3755 case 0xb972: /* CRT - compare and trap */
3756 case 0xb973: /* CLRT - compare logical and trap */
3757 /* fpc only - including possible DXC write for trapping insns */
3758 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3762 /* 0xb29a-0xb29b undefined */
3764 case 0xb29c: /* STFPC - store fpc */
3765 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
3766 if (record_full_arch_list_add_mem (oaddr
, 4))
3770 /* 0xb29e-0xb2a4 undefined */
3772 case 0xb2a5: /* TRE - translate extended [partial] */
3773 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
3774 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
3775 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1), &tmp
);
3776 if (record_full_arch_list_add_mem (oaddr
, tmp
))
3778 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3780 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
3782 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3786 case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */
3787 case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */
3788 case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */
3789 case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */
3790 case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */
3791 case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */
3792 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
3793 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
3794 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1), &tmp
);
3795 if (record_full_arch_list_add_mem (oaddr
, tmp
))
3797 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
3799 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
3801 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
3803 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
3805 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3809 /* 0xb2a8-0xb2af undefined */
3811 case 0xb2b0: /* STFLE - store facility list extended */
3812 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
3813 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
3815 if (record_full_arch_list_add_mem (oaddr
, 8 * (tmp
+ 1)))
3817 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
))
3819 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3823 /* 0xb2b1-0xb2b7 undefined or privileged */
3824 /* 0xb2ba-0xb2bc undefined */
3825 /* 0xb2be-0xb2e7 undefined */
3826 /* 0xb2e9-0xb2eb undefined */
3827 /* 0xb2ed-0xb2f7 undefined */
3828 /* 0xb2f8 unsupported: TEND */
3829 /* 0xb2f9 undefined */
3831 case 0xb2e8: /* PPA - perform processor assist */
3832 case 0xb2fa: /* NIAI - next instruction access intent */
3833 /* no visible effects */
3836 /* 0xb2fb undefined */
3837 /* 0xb2fc unsupported: TABORT */
3838 /* 0xb2fd-0xb2fe undefined */
3839 /* 0xb2ff unsupported: TRAP */
3841 case 0xb300: /* LPEBR - load positive */
3842 case 0xb301: /* LNEBR - load negative */
3843 case 0xb303: /* LCEBR - load complement */
3844 case 0xb310: /* LPDBR - load positive */
3845 case 0xb311: /* LNDBR - load negative */
3846 case 0xb313: /* LCDBR - load complement */
3847 case 0xb350: /* TBEDR - convert hfp to bfp */
3848 case 0xb351: /* TBDR - convert hfp to bfp */
3849 case 0xb358: /* THDER - convert bfp to hfp */
3850 case 0xb359: /* THDR - convert bfp to hfp */
3851 /* float destination + flags */
3852 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
3854 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3858 case 0xb304: /* LDEBR - load lengthened */
3859 case 0xb30c: /* MDEBR - multiply */
3860 case 0xb30d: /* DEBR - divide */
3861 case 0xb314: /* SQEBR - square root */
3862 case 0xb315: /* SQDBR - square root */
3863 case 0xb317: /* MEEBR - multiply */
3864 case 0xb31c: /* MDBR - multiply */
3865 case 0xb31d: /* DDBR - divide */
3866 case 0xb344: /* LEDBRA - load rounded */
3867 case 0xb345: /* LDXBRA - load rounded */
3868 case 0xb346: /* LEXBRA - load rounded */
3869 case 0xb357: /* FIEBRA - load fp integer */
3870 case 0xb35f: /* FIDBRA - load fp integer */
3871 case 0xb390: /* CELFBR - convert from logical */
3872 case 0xb391: /* CDLFBR - convert from logical */
3873 case 0xb394: /* CEFBR - convert from fixed */
3874 case 0xb395: /* CDFBR - convert from fixed */
3875 case 0xb3a0: /* CELGBR - convert from logical */
3876 case 0xb3a1: /* CDLGBR - convert from logical */
3877 case 0xb3a4: /* CEGBR - convert from fixed */
3878 case 0xb3a5: /* CDGBR - convert from fixed */
3879 case 0xb3d0: /* MDTR - multiply */
3880 case 0xb3d1: /* DDTR - divide */
3881 case 0xb3d4: /* LDETR - load lengthened */
3882 case 0xb3d5: /* LEDTR - load lengthened */
3883 case 0xb3d7: /* FIDTR - load fp integer */
3884 case 0xb3dd: /* LDXTR - load lengthened */
3885 case 0xb3f1: /* CDGTR - convert from fixed */
3886 case 0xb3f2: /* CDUTR - convert from unsigned packed */
3887 case 0xb3f3: /* CDSTR - convert from signed packed */
3888 case 0xb3f5: /* QADTR - quantize */
3889 case 0xb3f7: /* RRDTR - reround */
3890 case 0xb951: /* CDFTR - convert from fixed */
3891 case 0xb952: /* CDLGTR - convert from logical */
3892 case 0xb953: /* CDLFTR - convert from logical */
3893 /* float destination + fpc */
3894 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
3896 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3900 case 0xb305: /* LXDBR - load lengthened */
3901 case 0xb306: /* LXEBR - load lengthened */
3902 case 0xb307: /* MXDBR - multiply */
3903 case 0xb316: /* SQXBR - square root */
3904 case 0xb34c: /* MXBR - multiply */
3905 case 0xb34d: /* DXBR - divide */
3906 case 0xb347: /* FIXBRA - load fp integer */
3907 case 0xb392: /* CXLFBR - convert from logical */
3908 case 0xb396: /* CXFBR - convert from fixed */
3909 case 0xb3a2: /* CXLGBR - convert from logical */
3910 case 0xb3a6: /* CXGBR - convert from fixed */
3911 case 0xb3d8: /* MXTR - multiply */
3912 case 0xb3d9: /* DXTR - divide */
3913 case 0xb3dc: /* LXDTR - load lengthened */
3914 case 0xb3df: /* FIXTR - load fp integer */
3915 case 0xb3f9: /* CXGTR - convert from fixed */
3916 case 0xb3fa: /* CXUTR - convert from unsigned packed */
3917 case 0xb3fb: /* CXSTR - convert from signed packed */
3918 case 0xb3fd: /* QAXTR - quantize */
3919 case 0xb3ff: /* RRXTR - reround */
3920 case 0xb959: /* CXFTR - convert from fixed */
3921 case 0xb95a: /* CXLGTR - convert from logical */
3922 case 0xb95b: /* CXLFTR - convert from logical */
3923 /* float pair destination + fpc */
3924 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
3926 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[6] | 2)))
3928 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3932 case 0xb308: /* KEBR - compare and signal */
3933 case 0xb309: /* CEBR - compare */
3934 case 0xb318: /* KDBR - compare and signal */
3935 case 0xb319: /* CDBR - compare */
3936 case 0xb348: /* KXBR - compare and signal */
3937 case 0xb349: /* CXBR - compare */
3938 case 0xb3e0: /* KDTR - compare and signal */
3939 case 0xb3e4: /* CDTR - compare */
3940 case 0xb3e8: /* KXTR - compare and signal */
3941 case 0xb3ec: /* CXTR - compare */
3942 /* flags + fpc only */
3943 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3945 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3949 case 0xb302: /* LTEBR - load and test */
3950 case 0xb312: /* LTDBR - load and test */
3951 case 0xb30a: /* AEBR - add */
3952 case 0xb30b: /* SEBR - subtract */
3953 case 0xb31a: /* ADBR - add */
3954 case 0xb31b: /* SDBR - subtract */
3955 case 0xb3d2: /* ADTR - add */
3956 case 0xb3d3: /* SDTR - subtract */
3957 case 0xb3d6: /* LTDTR - load and test */
3958 /* float destination + flags + fpc */
3959 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
3961 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
3963 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3967 case 0xb30e: /* MAEBR - multiply and add */
3968 case 0xb30f: /* MSEBR - multiply and subtract */
3969 case 0xb31e: /* MADBR - multiply and add */
3970 case 0xb31f: /* MSDBR - multiply and subtract */
3971 /* float destination [RRD] + fpc */
3972 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[4]))
3974 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
3978 /* 0xb320-0xb323 undefined */
3979 /* 0xb327-0xb32d undefined */
3981 case 0xb32e: /* MAER - multiply and add */
3982 case 0xb32f: /* MSER - multiply and subtract */
3983 case 0xb338: /* MAYLR - multiply and add unnormalized */
3984 case 0xb339: /* MYLR - multiply unnormalized */
3985 case 0xb33c: /* MAYHR - multiply and add unnormalized */
3986 case 0xb33d: /* MYHR - multiply unnormalized */
3987 case 0xb33e: /* MADR - multiply and add */
3988 case 0xb33f: /* MSDR - multiply and subtract */
3989 /* float destination [RRD] */
3990 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[4]))
3994 /* 0xb330-0xb335 undefined */
3996 case 0xb33a: /* MAYR - multiply and add unnormalized */
3997 case 0xb33b: /* MYR - multiply unnormalized */
3998 /* float pair destination [RRD] */
3999 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[4]))
4001 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[4] | 2)))
4005 case 0xb340: /* LPXBR - load positive */
4006 case 0xb341: /* LNXBR - load negative */
4007 case 0xb343: /* LCXBR - load complement */
4008 case 0xb360: /* LPXR - load positive */
4009 case 0xb361: /* LNXR - load negative */
4010 case 0xb362: /* LTXR - load and test */
4011 case 0xb363: /* LCXR - load complement */
4012 /* float pair destination + flags */
4013 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
4015 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[6] | 2)))
4017 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4021 case 0xb342: /* LTXBR - load and test */
4022 case 0xb34a: /* AXBR - add */
4023 case 0xb34b: /* SXBR - subtract */
4024 case 0xb3da: /* AXTR - add */
4025 case 0xb3db: /* SXTR - subtract */
4026 case 0xb3de: /* LTXTR - load and test */
4027 /* float pair destination + flags + fpc */
4028 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
4030 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[6] | 2)))
4032 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4034 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
4038 /* 0xb34e-0xb34f undefined */
4039 /* 0xb352 undefined */
4041 case 0xb353: /* DIEBR - divide to integer */
4042 case 0xb35b: /* DIDBR - divide to integer */
4043 /* two float destinations + flags + fpc */
4044 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[4]))
4046 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[6]))
4048 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4050 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
4054 /* 0xb354-0xb356 undefined */
4055 /* 0xb35a undefined */
4057 /* 0xb35c-0xb35e undefined */
4058 /* 0xb364 undefined */
4059 /* 0xb368 undefined */
4061 case 0xb369: /* CXR - compare */
4062 case 0xb3f4: /* CEDTR - compare biased exponent */
4063 case 0xb3fc: /* CEXTR - compare biased exponent */
4064 case 0xb920: /* CGR - compare */
4065 case 0xb921: /* CLGR - compare logical */
4066 case 0xb930: /* CGFR - compare */
4067 case 0xb931: /* CLGFR - compare logical */
4068 case 0xb9cd: /* CHHR - compare high */
4069 case 0xb9cf: /* CLHHR - compare logical high */
4070 case 0xb9dd: /* CHLR - compare high */
4071 case 0xb9df: /* CLHLR - compare logical high */
4073 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4077 /* 0xb36a-0xb36f undefined */
4078 /* 0xb377-0xb37e undefined */
4079 /* 0xb380-0xb383 undefined */
4080 /* 0xb386-0xb38b undefined */
4081 /* 0xb38d-0xb38f undefined */
4082 /* 0xb393 undefined */
4083 /* 0xb397 undefined */
4085 case 0xb398: /* CFEBR - convert to fixed */
4086 case 0xb399: /* CFDBR - convert to fixed */
4087 case 0xb39a: /* CFXBR - convert to fixed */
4088 case 0xb39c: /* CLFEBR - convert to logical */
4089 case 0xb39d: /* CLFDBR - convert to logical */
4090 case 0xb39e: /* CLFXBR - convert to logical */
4091 case 0xb941: /* CFDTR - convert to fixed */
4092 case 0xb949: /* CFXTR - convert to fixed */
4093 case 0xb943: /* CLFDTR - convert to logical */
4094 case 0xb94b: /* CLFXTR - convert to logical */
4095 /* 32-bit gpr destination + flags + fpc */
4096 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4098 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4100 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
4104 /* 0xb39b undefined */
4105 /* 0xb39f undefined */
4107 /* 0xb3a3 undefined */
4108 /* 0xb3a7 undefined */
4110 case 0xb3a8: /* CGEBR - convert to fixed */
4111 case 0xb3a9: /* CGDBR - convert to fixed */
4112 case 0xb3aa: /* CGXBR - convert to fixed */
4113 case 0xb3ac: /* CLGEBR - convert to logical */
4114 case 0xb3ad: /* CLGDBR - convert to logical */
4115 case 0xb3ae: /* CLGXBR - convert to logical */
4116 case 0xb3e1: /* CGDTR - convert to fixed */
4117 case 0xb3e9: /* CGXTR - convert to fixed */
4118 case 0xb942: /* CLGDTR - convert to logical */
4119 case 0xb94a: /* CLGXTR - convert to logical */
4120 /* 64-bit gpr destination + flags + fpc */
4121 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[6]))
4123 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4125 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
4129 /* 0xb3ab undefined */
4130 /* 0xb3af-0xb3b3 undefined */
4131 /* 0xb3b7 undefined */
4133 case 0xb3b8: /* CFER - convert to fixed */
4134 case 0xb3b9: /* CFDR - convert to fixed */
4135 case 0xb3ba: /* CFXR - convert to fixed */
4136 case 0xb998: /* ALCR - add logical with carry */
4137 case 0xb999: /* SLBR - subtract logical with borrow */
4138 case 0xb9f4: /* NRK - and */
4139 case 0xb9f6: /* ORK - or */
4140 case 0xb9f7: /* XRK - xor */
4141 case 0xb9f8: /* ARK - add */
4142 case 0xb9f9: /* SRK - subtract */
4143 case 0xb9fa: /* ALRK - add logical */
4144 case 0xb9fb: /* SLRK - subtract logical */
4145 /* 32-bit gpr destination + flags */
4146 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4148 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4152 case 0xb3c8: /* CGER - convert to fixed */
4153 case 0xb3c9: /* CGDR - convert to fixed */
4154 case 0xb3ca: /* CGXR - convert to fixed */
4155 case 0xb900: /* LPGR - load positive */
4156 case 0xb901: /* LNGR - load negative */
4157 case 0xb902: /* LTGR - load and test */
4158 case 0xb903: /* LCGR - load complement */
4159 case 0xb908: /* AGR - add */
4160 case 0xb909: /* SGR - subtract */
4161 case 0xb90a: /* ALGR - add logical */
4162 case 0xb90b: /* SLGR - subtract logical */
4163 case 0xb910: /* LPGFR - load positive */
4164 case 0xb911: /* LNGFR - load negative */
4165 case 0xb912: /* LTGFR - load and test */
4166 case 0xb913: /* LCGFR - load complement */
4167 case 0xb918: /* AGFR - add */
4168 case 0xb919: /* SGFR - subtract */
4169 case 0xb91a: /* ALGFR - add logical */
4170 case 0xb91b: /* SLGFR - subtract logical */
4171 case 0xb980: /* NGR - and */
4172 case 0xb981: /* OGR - or */
4173 case 0xb982: /* XGR - xor */
4174 case 0xb988: /* ALCGR - add logical with carry */
4175 case 0xb989: /* SLBGR - subtract logical with borrow */
4176 case 0xb9e1: /* POPCNT - population count */
4177 case 0xb9e4: /* NGRK - and */
4178 case 0xb9e6: /* OGRK - or */
4179 case 0xb9e7: /* XGRK - xor */
4180 case 0xb9e8: /* AGRK - add */
4181 case 0xb9e9: /* SGRK - subtract */
4182 case 0xb9ea: /* ALGRK - add logical */
4183 case 0xb9eb: /* SLGRK - subtract logical */
4184 case 0xb9ed: /* MSGRKC - multiply single 64x64 -> 64 */
4185 case 0xb9fd: /* MSRKC - multiply single 32x32 -> 32 */
4186 /* 64-bit gpr destination + flags */
4187 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[6]))
4189 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4193 /* 0xb3bb-0xb3c0 undefined */
4194 /* 0xb3c2-0xb3c3 undefined */
4195 /* 0xb3c7 undefined */
4196 /* 0xb3cb-0xb3cc undefined */
4198 case 0xb3cd: /* LGDR - load gr from fpr */
4199 case 0xb3e2: /* CUDTR - convert to unsigned packed */
4200 case 0xb3e3: /* CSDTR - convert to signed packed */
4201 case 0xb3e5: /* EEDTR - extract biased exponent */
4202 case 0xb3e7: /* ESDTR - extract significance */
4203 case 0xb3ed: /* EEXTR - extract biased exponent */
4204 case 0xb3ef: /* ESXTR - extract significance */
4205 case 0xb904: /* LGR - load */
4206 case 0xb906: /* LGBR - load byte */
4207 case 0xb907: /* LGHR - load halfword */
4208 case 0xb90c: /* MSGR - multiply single */
4209 case 0xb90f: /* LRVGR - load reversed */
4210 case 0xb914: /* LGFR - load */
4211 case 0xb916: /* LLGFR - load logical */
4212 case 0xb917: /* LLGTR - load logical thirty one bits */
4213 case 0xb91c: /* MSGFR - multiply single 64<32 */
4214 case 0xb946: /* BCTGR - branch on count */
4215 case 0xb984: /* LLGCR - load logical character */
4216 case 0xb985: /* LLGHR - load logical halfword */
4217 case 0xb9e2: /* LOCGR - load on condition */
4218 /* 64-bit gpr destination */
4219 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[6]))
4223 /* 0xb3ce-0xb3cf undefined */
4224 /* 0xb3e6 undefined */
4226 case 0xb3ea: /* CUXTR - convert to unsigned packed */
4227 case 0xb3eb: /* CSXTR - convert to signed packed */
4228 case 0xb90d: /* DSGR - divide single */
4229 case 0xb91d: /* DSGFR - divide single */
4230 case 0xb986: /* MLGR - multiply logical */
4231 case 0xb987: /* DLGR - divide logical */
4232 case 0xb9ec: /* MGRK - multiply 64x64 -> 128 */
4233 /* 64-bit gpr pair destination */
4234 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[6]))
4236 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[6] | 1))
4240 /* 0xb3ee undefined */
4241 /* 0xb3f0 undefined */
4242 /* 0xb3f8 undefined */
4244 /* 0xb905 privileged */
4246 /* 0xb90e unsupported: EREGG */
4248 /* 0xb915 undefined */
4250 case 0xb91e: /* KMAC - compute message authentication code [partial] */
4251 regcache_raw_read_unsigned (regcache
, S390_R1_REGNUM
, &tmp
);
4252 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4253 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
4257 case 0x00: /* KMAC-Query */
4258 if (record_full_arch_list_add_mem (oaddr
, 16))
4262 case 0x01: /* KMAC-DEA */
4263 case 0x02: /* KMAC-TDEA-128 */
4264 case 0x03: /* KMAC-TDEA-192 */
4265 case 0x09: /* KMAC-Encrypted-DEA */
4266 case 0x0a: /* KMAC-Encrypted-TDEA-128 */
4267 case 0x0b: /* KMAC-Encrypted-TDEA-192 */
4268 if (record_full_arch_list_add_mem (oaddr
, 8))
4272 case 0x12: /* KMAC-AES-128 */
4273 case 0x13: /* KMAC-AES-192 */
4274 case 0x14: /* KMAC-AES-256 */
4275 case 0x1a: /* KMAC-Encrypted-AES-128 */
4276 case 0x1b: /* KMAC-Encrypted-AES-192 */
4277 case 0x1c: /* KMAC-Encrypted-AES-256 */
4278 if (record_full_arch_list_add_mem (oaddr
, 16))
4283 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown KMAC function %02x at %s.\n",
4284 (int)tmp
, paddress (gdbarch
, addr
));
4289 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4291 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
4294 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4298 /* 0xb922-0xb924 undefined */
4299 /* 0xb925 privileged */
4300 /* 0xb928 privileged */
4302 case 0xb929: /* KMA - cipher message with authentication */
4303 case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */
4304 case 0xb92b: /* KMO - cipher message with output feedback [partial] */
4305 case 0xb92f: /* KMC - cipher message with chaining [partial] */
4306 regcache_raw_read_unsigned (regcache
, S390_R1_REGNUM
, &tmp
);
4307 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4308 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
4312 case 0x00: /* KM*-Query */
4313 if (record_full_arch_list_add_mem (oaddr
, 16))
4317 case 0x01: /* KM*-DEA */
4318 case 0x02: /* KM*-TDEA-128 */
4319 case 0x03: /* KM*-TDEA-192 */
4320 case 0x09: /* KM*-Encrypted-DEA */
4321 case 0x0a: /* KM*-Encrypted-TDEA-128 */
4322 case 0x0b: /* KM*-Encrypted-TDEA-192 */
4323 if (record_full_arch_list_add_mem (oaddr
, 8))
4327 case 0x12: /* KM*-AES-128 */
4328 case 0x13: /* KM*-AES-192 */
4329 case 0x14: /* KM*-AES-256 */
4330 case 0x1a: /* KM*-Encrypted-AES-128 */
4331 case 0x1b: /* KM*-Encrypted-AES-192 */
4332 case 0x1c: /* KM*-Encrypted-AES-256 */
4333 if (record_full_arch_list_add_mem (oaddr
, 16))
4337 case 0x43: /* KMC-PRNG */
4338 /* Only valid for KMC. */
4339 if (insn
[0] == 0xb92f)
4341 if (record_full_arch_list_add_mem (oaddr
, 8))
4345 /* For other instructions... */
4348 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown KM* function %02x at %s.\n",
4349 (int)tmp
, paddress (gdbarch
, addr
));
4354 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
4355 oaddr2
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4356 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1), &tmp
);
4357 if (record_full_arch_list_add_mem (oaddr2
, tmp
))
4359 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4361 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4363 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
4366 if (tmp
!= 0 && insn
[0] == 0xb929)
4368 if (record_full_arch_list_add_reg (regcache
,
4369 S390_R0_REGNUM
+ inib
[4]))
4371 if (record_full_arch_list_add_reg (regcache
,
4372 S390_R0_REGNUM
+ (inib
[4] | 1)))
4375 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4379 case 0xb92c: /* PCC - perform cryptographic computation [partial] */
4380 regcache_raw_read_unsigned (regcache
, S390_R1_REGNUM
, &tmp
);
4381 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4382 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
4386 case 0x00: /* PCC-Query */
4387 if (record_full_arch_list_add_mem (oaddr
, 16))
4391 case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */
4392 case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */
4393 case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */
4394 case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */
4395 case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */
4396 case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */
4397 if (record_full_arch_list_add_mem (oaddr
+ 0x10, 8))
4401 case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */
4402 case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */
4403 case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */
4404 case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */
4405 case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */
4406 case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */
4407 if (record_full_arch_list_add_mem (oaddr
+ 0x18, 16))
4411 case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */
4412 if (record_full_arch_list_add_mem (oaddr
+ 0x30, 32))
4416 case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */
4417 if (record_full_arch_list_add_mem (oaddr
+ 0x40, 32))
4421 case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */
4422 if (record_full_arch_list_add_mem (oaddr
+ 0x50, 32))
4426 case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */
4427 if (record_full_arch_list_add_mem (oaddr
+ 0x60, 32))
4432 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown PCC function %02x at %s.\n",
4433 (int)tmp
, paddress (gdbarch
, addr
));
4436 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4440 case 0xb92d: /* KMCTR - cipher message with counter [partial] */
4441 regcache_raw_read_unsigned (regcache
, S390_R1_REGNUM
, &tmp
);
4442 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4443 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
4447 case 0x00: /* KMCTR-Query */
4448 if (record_full_arch_list_add_mem (oaddr
, 16))
4452 case 0x01: /* KMCTR-DEA */
4453 case 0x02: /* KMCTR-TDEA-128 */
4454 case 0x03: /* KMCTR-TDEA-192 */
4455 case 0x09: /* KMCTR-Encrypted-DEA */
4456 case 0x0a: /* KMCTR-Encrypted-TDEA-128 */
4457 case 0x0b: /* KMCTR-Encrypted-TDEA-192 */
4458 case 0x12: /* KMCTR-AES-128 */
4459 case 0x13: /* KMCTR-AES-192 */
4460 case 0x14: /* KMCTR-AES-256 */
4461 case 0x1a: /* KMCTR-Encrypted-AES-128 */
4462 case 0x1b: /* KMCTR-Encrypted-AES-192 */
4463 case 0x1c: /* KMCTR-Encrypted-AES-256 */
4467 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown KMCTR function %02x at %s.\n",
4468 (int)tmp
, paddress (gdbarch
, addr
));
4473 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
4474 oaddr2
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4475 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1), &tmp
);
4476 if (record_full_arch_list_add_mem (oaddr2
, tmp
))
4478 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4480 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4482 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
4484 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[4]))
4487 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4491 case 0xb92e: /* KM - cipher message [partial] */
4492 regcache_raw_read_unsigned (regcache
, S390_R1_REGNUM
, &tmp
);
4493 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4494 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
4498 case 0x00: /* KM-Query */
4499 if (record_full_arch_list_add_mem (oaddr
, 16))
4503 case 0x01: /* KM-DEA */
4504 case 0x02: /* KM-TDEA-128 */
4505 case 0x03: /* KM-TDEA-192 */
4506 case 0x09: /* KM-Encrypted-DEA */
4507 case 0x0a: /* KM-Encrypted-TDEA-128 */
4508 case 0x0b: /* KM-Encrypted-TDEA-192 */
4509 case 0x12: /* KM-AES-128 */
4510 case 0x13: /* KM-AES-192 */
4511 case 0x14: /* KM-AES-256 */
4512 case 0x1a: /* KM-Encrypted-AES-128 */
4513 case 0x1b: /* KM-Encrypted-AES-192 */
4514 case 0x1c: /* KM-Encrypted-AES-256 */
4517 case 0x32: /* KM-XTS-AES-128 */
4518 if (record_full_arch_list_add_mem (oaddr
+ 0x10, 16))
4522 case 0x34: /* KM-XTS-AES-256 */
4523 if (record_full_arch_list_add_mem (oaddr
+ 0x20, 16))
4527 case 0x3a: /* KM-XTS-Encrypted-AES-128 */
4528 if (record_full_arch_list_add_mem (oaddr
+ 0x30, 16))
4532 case 0x3c: /* KM-XTS-Encrypted-AES-256 */
4533 if (record_full_arch_list_add_mem (oaddr
+ 0x40, 16))
4538 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown KM function %02x at %s.\n",
4539 (int)tmp
, paddress (gdbarch
, addr
));
4544 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
4545 oaddr2
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4546 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1), &tmp
);
4547 if (record_full_arch_list_add_mem (oaddr2
, tmp
))
4549 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4551 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4553 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
4556 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4560 /* 0xb932-0xb93b undefined */
4562 case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */
4563 regcache_raw_read_unsigned (regcache
, S390_R1_REGNUM
, &tmp
);
4564 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4565 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
4569 case 0x00: /* PPNO-Query */
4570 case 0x80: /* PPNO-Query */
4571 if (record_full_arch_list_add_mem (oaddr
, 16))
4575 case 0x03: /* PPNO-SHA-512-DRNG - generate */
4576 if (record_full_arch_list_add_mem (oaddr
, 240))
4578 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
4579 oaddr2
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4580 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1), &tmp
);
4581 if (record_full_arch_list_add_mem (oaddr2
, tmp
))
4583 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4585 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
4589 case 0x83: /* PPNO-SHA-512-DRNG - seed */
4590 if (record_full_arch_list_add_mem (oaddr
, 240))
4592 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4594 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
4599 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown PPNO function %02x at %s.\n",
4600 (int)tmp
, paddress (gdbarch
, addr
));
4603 /* DXC may be written */
4604 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
4606 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4610 /* 0xb93d undefined */
4612 case 0xb93e: /* KIMD - compute intermediate message digest [partial] */
4613 case 0xb93f: /* KLMD - compute last message digest [partial] */
4614 regcache_raw_read_unsigned (regcache
, S390_R1_REGNUM
, &tmp
);
4615 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4616 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
4620 case 0x00: /* K*MD-Query */
4621 if (record_full_arch_list_add_mem (oaddr
, 16))
4625 case 0x01: /* K*MD-SHA-1 */
4626 if (record_full_arch_list_add_mem (oaddr
, 20))
4630 case 0x02: /* K*MD-SHA-256 */
4631 if (record_full_arch_list_add_mem (oaddr
, 32))
4635 case 0x03: /* K*MD-SHA-512 */
4636 if (record_full_arch_list_add_mem (oaddr
, 64))
4640 case 0x41: /* KIMD-GHASH */
4641 /* Only valid for KIMD. */
4642 if (insn
[0] == 0xb93e)
4644 if (record_full_arch_list_add_mem (oaddr
, 16))
4651 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown KMAC function %02x at %s.\n",
4652 (int)tmp
, paddress (gdbarch
, addr
));
4657 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4659 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[7] | 1)))
4662 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4666 /* 0xb940 undefined */
4667 /* 0xb944-0xb945 undefined */
4668 /* 0xb947-0xb948 undefined */
4669 /* 0xb94c-0xb950 undefined */
4670 /* 0xb954-0xb958 undefined */
4671 /* 0xb95c-0xb95f undefined */
4672 /* 0xb962-0xb971 undefined */
4673 /* 0xb974-0xb97f undefined */
4675 case 0xb983: /* FLOGR - find leftmost one */
4676 /* 64-bit gpr pair destination + flags */
4677 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[6]))
4679 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[6] | 1))
4681 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4685 /* 0xb98a privileged */
4686 /* 0xb98b-0xb98c undefined */
4688 case 0xb98d: /* EPSW - extract psw */
4689 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4692 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4696 /* 0xb98e-0xb98f privileged */
4698 case 0xb990: /* TRTT - translate two to two [partial] */
4699 case 0xb991: /* TRTO - translate two to one [partial] */
4700 case 0xb992: /* TROT - translate one to two [partial] */
4701 case 0xb993: /* TROO - translate one to one [partial] */
4702 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[6], &tmp
);
4703 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
4704 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1), &tmp
);
4705 /* tmp is source length, we want destination length. Adjust. */
4706 if (insn
[0] == 0xb991)
4708 if (insn
[0] == 0xb992)
4710 if (record_full_arch_list_add_mem (oaddr
, tmp
))
4712 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4714 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
4716 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4718 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4722 case 0xb996: /* MLR - multiply logical */
4723 case 0xb997: /* DLR - divide logical */
4724 /* 32-bit gpr pair destination */
4725 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4727 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
4731 /* 0xb99a-0xb9af unsupported, privileged, or undefined */
4732 /* 0xb9b4-0xb9bc undefined */
4734 case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */
4735 case 0xb9bf: /* TRTE - translate and test extended [partial] */
4736 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[6]))
4738 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[6] | 1)))
4740 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[7]))
4742 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4746 /* 0xb9c0-0xb9c7 undefined */
4748 case 0xb9c8: /* AHHHR - add high */
4749 case 0xb9c9: /* SHHHR - subtract high */
4750 case 0xb9ca: /* ALHHHR - add logical high */
4751 case 0xb9cb: /* SLHHHR - subtract logical high */
4752 case 0xb9d8: /* AHHLR - add high */
4753 case 0xb9d9: /* SHHLR - subtract high */
4754 case 0xb9da: /* ALHHLR - add logical high */
4755 case 0xb9db: /* SLHHLR - subtract logical high */
4756 /* 32-bit high gpr destination + flags */
4757 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[6]))
4759 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4763 /* 0xb9cc undefined */
4764 /* 0xb9ce undefined */
4765 /* 0xb9d0-0xb9d7 undefined */
4766 /* 0xb9dc undefined */
4767 /* 0xb9de undefined */
4769 case 0xb9e0: /* LOCFHR - load high on condition */
4770 /* 32-bit high gpr destination */
4771 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[6]))
4775 /* 0xb9e3 undefined */
4776 /* 0xb9e5 undefined */
4777 /* 0xb9ee-0xb9f1 undefined */
4778 /* 0xb9f3 undefined */
4779 /* 0xb9f5 undefined */
4780 /* 0xb9fc undefined */
4781 /* 0xb9fe -0xb9ff undefined */
4788 /* 0xb4-0xb5 undefined */
4789 /* 0xb6 privileged: STCTL - store control */
4790 /* 0xb7 privileged: LCTL - load control */
4791 /* 0xb8 undefined */
4793 case 0xba: /* CS - compare and swap */
4794 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
4795 if (record_full_arch_list_add_mem (oaddr
, 4))
4797 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
4799 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4803 case 0xbb: /* CDS - compare double and swap */
4804 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
4805 if (record_full_arch_list_add_mem (oaddr
, 8))
4807 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
4809 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
4811 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4815 /* 0xbc undefined */
4817 case 0xbe: /* STCM - store characters under mask */
4818 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
4819 if (record_full_arch_list_add_mem (oaddr
, s390_popcnt (inib
[3])))
4828 /* RIL-format instruction */
4829 switch (ibyte
[0] << 4 | inib
[3])
4831 case 0xc00: /* LARL - load address relative long */
4832 case 0xc05: /* BRASL - branch relative and save long */
4833 case 0xc09: /* IILF - insert immediate */
4834 case 0xc21: /* MSFI - multiply single immediate */
4835 case 0xc42: /* LLHRL - load logical halfword relative long */
4836 case 0xc45: /* LHRL - load halfword relative long */
4837 case 0xc4d: /* LRL - load relative long */
4838 /* 32-bit or native gpr destination */
4839 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
4843 case 0xc01: /* LGFI - load immediate */
4844 case 0xc0e: /* LLIHF - load logical immediate */
4845 case 0xc0f: /* LLILF - load logical immediate */
4846 case 0xc20: /* MSGFI - multiply single immediate */
4847 case 0xc44: /* LGHRL - load halfword relative long */
4848 case 0xc46: /* LLGHRL - load logical halfword relative long */
4849 case 0xc48: /* LGRL - load relative long */
4850 case 0xc4c: /* LGFRL - load relative long */
4851 case 0xc4e: /* LLGFRL - load logical relative long */
4852 /* 64-bit gpr destination */
4853 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
4857 /* 0xc02-0xc03 undefined */
4859 case 0xc04: /* BRCL - branch relative on condition long */
4860 case 0xc62: /* PFDRL - prefetch data relative long */
4863 case 0xc06: /* XIHF - xor immediate */
4864 case 0xc0a: /* NIHF - and immediate */
4865 case 0xc0c: /* OIHF - or immediate */
4866 case 0xcc8: /* AIH - add immediate high */
4867 case 0xcca: /* ALSIH - add logical with signed immediate high */
4868 /* 32-bit high gpr destination + flags */
4869 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
4871 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4875 case 0xc07: /* XILF - xor immediate */
4876 case 0xc0b: /* NILF - and immediate */
4877 case 0xc0d: /* OILF - or immediate */
4878 case 0xc25: /* SLFI - subtract logical immediate */
4879 case 0xc29: /* AFI - add immediate */
4880 case 0xc2b: /* ALFI - add logical immediate */
4881 /* 32-bit gpr destination + flags */
4882 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
4884 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4888 case 0xc08: /* IIHF - insert immediate */
4889 case 0xcc6: /* BRCTH - branch relative on count high */
4890 case 0xccb: /* ALSIHN - add logical with signed immediate high */
4891 /* 32-bit high gpr destination */
4892 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
4896 /* 0xc22-0xc23 undefined */
4898 case 0xc24: /* SLGFI - subtract logical immediate */
4899 case 0xc28: /* AGFI - add immediate */
4900 case 0xc2a: /* ALGFI - add logical immediate */
4901 /* 64-bit gpr destination + flags */
4902 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
4904 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4908 /* 0xc26-0xc27 undefined */
4910 case 0xc2c: /* CGFI - compare immediate */
4911 case 0xc2d: /* CFI - compare immediate */
4912 case 0xc2e: /* CLGFI - compare logical immediate */
4913 case 0xc2f: /* CLFI - compare logical immediate */
4914 case 0xc64: /* CGHRL - compare halfword relative long */
4915 case 0xc65: /* CHRL - compare halfword relative long */
4916 case 0xc66: /* CLGHRL - compare logical halfword relative long */
4917 case 0xc67: /* CLHRL - compare logical halfword relative long */
4918 case 0xc68: /* CGRL - compare relative long */
4919 case 0xc6a: /* CLGRL - compare logical relative long */
4920 case 0xc6c: /* CGFRL - compare relative long */
4921 case 0xc6d: /* CRL - compare relative long */
4922 case 0xc6e: /* CLGFRL - compare logical relative long */
4923 case 0xc6f: /* CLRL - compare logical relative long */
4924 case 0xccd: /* CIH - compare immediate high */
4925 case 0xccf: /* CLIH - compare logical immediate high */
4927 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
4931 /* 0xc40-0xc41 undefined */
4932 /* 0xc43 undefined */
4934 case 0xc47: /* STHRL - store halfword relative long */
4935 oaddr
= s390_record_calc_rl (gdbarch
, regcache
, addr
, insn
[1], insn
[2]);
4936 if (record_full_arch_list_add_mem (oaddr
, 2))
4940 /* 0xc49-0xc4a undefined */
4942 case 0xc4b: /* STGRL - store relative long */
4943 oaddr
= s390_record_calc_rl (gdbarch
, regcache
, addr
, insn
[1], insn
[2]);
4944 if (record_full_arch_list_add_mem (oaddr
, 8))
4948 case 0xc4f: /* STRL - store relative long */
4949 oaddr
= s390_record_calc_rl (gdbarch
, regcache
, addr
, insn
[1], insn
[2]);
4950 if (record_full_arch_list_add_mem (oaddr
, 4))
4954 case 0xc60: /* EXRL - execute relative long */
4957 fprintf_unfiltered (gdb_stdlog
, "Warning: Double execute at %s.\n",
4958 paddress (gdbarch
, addr
));
4961 addr
= s390_record_calc_rl (gdbarch
, regcache
, addr
, insn
[1], insn
[2]);
4964 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[2], &tmp
);
4973 /* 0xc61 undefined */
4974 /* 0xc63 undefined */
4975 /* 0xc69 undefined */
4976 /* 0xc6b undefined */
4977 /* 0xcc0-0xcc5 undefined */
4978 /* 0xcc7 undefined */
4979 /* 0xcc9 undefined */
4980 /* 0xccc undefined */
4981 /* 0xcce undefined */
4988 /* 0xc1 undefined */
4989 /* 0xc3 undefined */
4991 case 0xc5: /* BPRP - branch prediction relative preload */
4992 case 0xc7: /* BPP - branch prediction preload */
4993 /* no visible effect */
4997 /* SSF-format instruction */
4998 switch (ibyte
[0] << 4 | inib
[3])
5000 /* 0xc80 unsupported */
5002 case 0xc81: /* ECTG - extract cpu time */
5003 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5005 if (s390_record_gpr_g (gdbarch
, regcache
, 0))
5007 if (s390_record_gpr_g (gdbarch
, regcache
, 1))
5011 case 0xc82: /* CSST - compare and swap and store */
5014 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
5016 sc
= tmp
>> 8 & 0xff;
5018 /* First and third operands. */
5019 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5022 case 0x00: /* 32-bit */
5023 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5025 if (record_full_arch_list_add_mem (oaddr
, 4))
5029 case 0x01: /* 64-bit */
5030 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5032 if (record_full_arch_list_add_mem (oaddr
, 8))
5036 case 0x02: /* 128-bit */
5037 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5039 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2] | 1))
5041 if (record_full_arch_list_add_mem (oaddr
, 16))
5046 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown CSST FC %02x at %s.\n",
5047 fc
, paddress (gdbarch
, addr
));
5051 /* Second operand. */
5052 oaddr2
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[2], 0);
5055 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown CSST FC %02x at %s.\n",
5056 sc
, paddress (gdbarch
, addr
));
5060 if (record_full_arch_list_add_mem (oaddr2
, 1 << sc
))
5064 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5069 /* 0xc83 undefined */
5071 case 0xc84: /* LPD - load pair disjoint */
5072 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5074 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
5076 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5080 case 0xc85: /* LPDG - load pair disjoint */
5081 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5083 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2] | 1))
5085 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5089 /* 0xc86-0xc8f undefined */
5096 /* 0xc9-0xcb undefined */
5097 /* 0xcd-0xcf undefined */
5099 case 0xd0: /* TRTR - translate and test reversed */
5100 case 0xdd: /* TRT - translate and test */
5101 if (record_full_arch_list_add_reg (regcache
, S390_R1_REGNUM
))
5103 if (record_full_arch_list_add_reg (regcache
, S390_R2_REGNUM
))
5105 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5109 case 0xd1: /* MVN - move numbers */
5110 case 0xd2: /* MVC - move */
5111 case 0xd3: /* MVZ - move zones */
5112 case 0xdc: /* TR - translate */
5113 case 0xe8: /* MVCIN - move inverse */
5114 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5115 if (record_full_arch_list_add_mem (oaddr
, ibyte
[1] + 1))
5119 case 0xd4: /* NC - and */
5120 case 0xd6: /* OC - or*/
5121 case 0xd7: /* XC - xor */
5122 case 0xe2: /* UNPKU - unpack unicode */
5123 case 0xea: /* UNPKA - unpack ASCII */
5124 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5125 if (record_full_arch_list_add_mem (oaddr
, ibyte
[1] + 1))
5127 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5131 case 0xde: /* ED - edit */
5132 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5133 if (record_full_arch_list_add_mem (oaddr
, ibyte
[1] + 1))
5135 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5137 /* DXC may be written */
5138 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5142 case 0xdf: /* EDMK - edit and mark */
5143 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5144 if (record_full_arch_list_add_mem (oaddr
, ibyte
[1] + 1))
5146 if (record_full_arch_list_add_reg (regcache
, S390_R1_REGNUM
))
5148 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5150 /* DXC may be written */
5151 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5155 /* 0xd8 undefined */
5156 /* 0xd9 unsupported: MVCK - move with key */
5157 /* 0xda unsupported: MVCP - move to primary */
5158 /* 0xdb unsupported: MVCS - move to secondary */
5159 /* 0xe0 undefined */
5161 case 0xe1: /* PKU - pack unicode */
5162 case 0xe9: /* PKA - pack ASCII */
5163 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5164 if (record_full_arch_list_add_mem (oaddr
, 16))
5173 /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */
5174 switch (ibyte
[0] << 8 | ibyte
[5])
5176 /* 0xe300-0xe301 undefined */
5178 case 0xe302: /* LTG - load and test */
5179 case 0xe308: /* AG - add */
5180 case 0xe309: /* SG - subtract */
5181 case 0xe30a: /* ALG - add logical */
5182 case 0xe30b: /* SLG - subtract logical */
5183 case 0xe318: /* AGF - add */
5184 case 0xe319: /* SGF - subtract */
5185 case 0xe31a: /* ALGF - add logical */
5186 case 0xe31b: /* SLGF - subtract logical */
5187 case 0xe332: /* LTGF - load and test */
5188 case 0xe380: /* NG - and */
5189 case 0xe381: /* OG - or */
5190 case 0xe382: /* XG - xor */
5191 case 0xe388: /* ALCG - add logical with carry */
5192 case 0xe389: /* SLBG - subtract logical with borrow */
5193 case 0xeb0a: /* SRAG - shift right single */
5194 case 0xeb0b: /* SLAG - shift left single */
5195 /* 64-bit gpr destination + flags */
5196 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5198 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5202 /* 0xe303 privileged */
5204 case 0xe304: /* LG - load */
5205 case 0xe30c: /* MSG - multiply single */
5206 case 0xe30f: /* LRVG - load reversed */
5207 case 0xe314: /* LGF - load */
5208 case 0xe315: /* LGH - load halfword */
5209 case 0xe316: /* LLGF - load logical */
5210 case 0xe317: /* LLGT - load logical thirty one bits */
5211 case 0xe31c: /* MSGF - multiply single */
5212 case 0xe32a: /* LZRG - load and zero rightmost byte */
5213 case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */
5214 case 0xe33c: /* MGH - multiply halfword 64x16mem -> 64 */
5215 case 0xe346: /* BCTG - branch on count */
5216 case 0xe377: /* LGB - load byte */
5217 case 0xe390: /* LLGC - load logical character */
5218 case 0xe391: /* LLGH - load logical halfword */
5219 case 0xeb0c: /* SRLG - shift right single logical */
5220 case 0xeb0d: /* SLLG - shift left single logical */
5221 case 0xeb1c: /* RLLG - rotate left single logical */
5222 case 0xeb44: /* BXHG - branch on index high */
5223 case 0xeb45: /* BXLEG - branch on index low or equal */
5224 case 0xeb4c: /* ECAG - extract cpu attribute */
5225 case 0xebe2: /* LOCG - load on condition */
5226 /* 64-bit gpr destination */
5227 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5231 /* 0xe305 undefined */
5233 case 0xe306: /* CVBY - convert to binary */
5234 /* 32-bit or native gpr destination + FPC (DXC write) */
5235 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5237 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5241 /* 0xe307 undefined */
5243 case 0xe30d: /* DSG - divide single */
5244 case 0xe31d: /* DSGF - divide single */
5245 case 0xe384: /* MG - multiply 64x64mem -> 128 */
5246 case 0xe386: /* MLG - multiply logical */
5247 case 0xe387: /* DLG - divide logical */
5248 case 0xe38f: /* LPQ - load pair from quadword */
5249 /* 64-bit gpr pair destination */
5250 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5252 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2] | 1))
5256 case 0xe30e: /* CVBG - convert to binary */
5257 /* 64-bit gpr destination + FPC (DXC write) */
5258 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5260 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5264 /* 0xe310-0xe311 undefined */
5266 case 0xe312: /* LT - load and test */
5267 case 0xe338: /* AGH - add halfword to 64 bit value */
5268 case 0xe339: /* SGH - subtract halfword from 64 bit value */
5269 case 0xe353: /* MSC - multiply single 32x32mem -> 32 */
5270 case 0xe354: /* NY - and */
5271 case 0xe356: /* OY - or */
5272 case 0xe357: /* XY - xor */
5273 case 0xe35a: /* AY - add */
5274 case 0xe35b: /* SY - subtract */
5275 case 0xe35e: /* ALY - add logical */
5276 case 0xe35f: /* SLY - subtract logical */
5277 case 0xe37a: /* AHY - add halfword */
5278 case 0xe37b: /* SHY - subtract halfword */
5279 case 0xe383: /* MSGC - multiply single 64x64mem -> 64 */
5280 case 0xe398: /* ALC - add logical with carry */
5281 case 0xe399: /* SLB - subtract logical with borrow */
5282 case 0xe727: /* LCBB - load count to block bounduary */
5283 case 0xeb81: /* ICMY - insert characters under mask */
5284 case 0xebdc: /* SRAK - shift left single */
5285 case 0xebdd: /* SLAK - shift left single */
5286 /* 32/64-bit gpr destination + flags */
5287 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5289 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5293 /* 0xe313 privileged */
5295 case 0xe31e: /* LRV - load reversed */
5296 case 0xe31f: /* LRVH - load reversed */
5297 case 0xe33b: /* LZRF - load and zero rightmost byte */
5298 case 0xe351: /* MSY - multiply single */
5299 case 0xe358: /* LY - load */
5300 case 0xe371: /* LAY - load address */
5301 case 0xe373: /* ICY - insert character */
5302 case 0xe376: /* LB - load byte */
5303 case 0xe378: /* LHY - load */
5304 case 0xe37c: /* MHY - multiply halfword */
5305 case 0xe394: /* LLC - load logical character */
5306 case 0xe395: /* LLH - load logical halfword */
5307 case 0xeb1d: /* RLL - rotate left single logical */
5308 case 0xebde: /* SRLK - shift left single logical */
5309 case 0xebdf: /* SLLK - shift left single logical */
5310 case 0xebf2: /* LOC - load on condition */
5311 /* 32-bit or native gpr destination */
5312 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5316 case 0xe320: /* CG - compare */
5317 case 0xe321: /* CLG - compare logical */
5318 case 0xe330: /* CGF - compare */
5319 case 0xe331: /* CLGF - compare logical */
5320 case 0xe334: /* CGH - compare halfword */
5321 case 0xe355: /* CLY - compare logical */
5322 case 0xe359: /* CY - compare */
5323 case 0xe379: /* CHY - compare halfword */
5324 case 0xe3cd: /* CHF - compare high */
5325 case 0xe3cf: /* CLHF - compare logical high */
5326 case 0xeb20: /* CLMH - compare logical under mask high */
5327 case 0xeb21: /* CLMY - compare logical under mask */
5328 case 0xeb51: /* TMY - test under mask */
5329 case 0xeb55: /* CLIY - compare logical */
5330 case 0xebc0: /* TP - test decimal */
5331 case 0xed10: /* TCEB - test data class */
5332 case 0xed11: /* TCDB - test data class */
5333 case 0xed12: /* TCXB - test data class */
5334 case 0xed50: /* TDCET - test data class */
5335 case 0xed51: /* TDGET - test data group */
5336 case 0xed54: /* TDCDT - test data class */
5337 case 0xed55: /* TDGDT - test data group */
5338 case 0xed58: /* TDCXT - test data class */
5339 case 0xed59: /* TDGXT - test data group */
5341 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5345 /* 0xe322-0xe323 undefined */
5347 case 0xe324: /* STG - store */
5348 case 0xe325: /* NTSTG - nontransactional store */
5349 case 0xe326: /* CVDY - convert to decimal */
5350 case 0xe32f: /* STRVG - store reversed */
5351 case 0xebe3: /* STOCG - store on condition */
5352 case 0xed67: /* STDY - store */
5353 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], ibyte
[4]);
5354 if (record_full_arch_list_add_mem (oaddr
, 8))
5358 /* 0xe327-0xe329 undefined */
5359 /* 0xe32b-0xe32d undefined */
5361 case 0xe32e: /* CVDG - convert to decimal */
5362 case 0xe38e: /* STPQ - store pair to quadword */
5363 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], ibyte
[4]);
5364 if (record_full_arch_list_add_mem (oaddr
, 16))
5368 /* 0xe333 undefined */
5369 /* 0xe335 undefined */
5371 case 0xe336: /* PFD - prefetch data */
5374 /* 0xe337 undefined */
5375 /* 0xe33c-0xe33d undefined */
5377 case 0xe33e: /* STRV - store reversed */
5378 case 0xe350: /* STY - store */
5379 case 0xe3cb: /* STFH - store high */
5380 case 0xebe1: /* STOCFH - store high on condition */
5381 case 0xebf3: /* STOC - store on condition */
5382 case 0xed66: /* STEY - store */
5383 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], ibyte
[4]);
5384 if (record_full_arch_list_add_mem (oaddr
, 4))
5388 case 0xe33f: /* STRVH - store reversed */
5389 case 0xe370: /* STHY - store halfword */
5390 case 0xe3c7: /* STHH - store halfword high */
5391 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], ibyte
[4]);
5392 if (record_full_arch_list_add_mem (oaddr
, 2))
5396 /* 0xe340-0xe345 undefined */
5398 case 0xe347: /* BIC - branch indirect on condition */
5401 /* 0xe348-0xe34f undefined */
5402 /* 0xe352 undefined */
5404 case 0xe35c: /* MFY - multiply */
5405 case 0xe396: /* ML - multiply logical */
5406 case 0xe397: /* DL - divide logical */
5407 /* 32-bit gpr pair destination */
5408 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5410 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
5414 /* 0xe35d undefined */
5415 /* 0xe360-0xe36f undefined */
5417 case 0xe372: /* STCY - store character */
5418 case 0xe3c3: /* STCH - store character high */
5419 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], ibyte
[4]);
5420 if (record_full_arch_list_add_mem (oaddr
, 1))
5424 /* 0xe374 undefined */
5426 case 0xe375: /* LAEY - load address extended */
5427 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5429 if (record_full_arch_list_add_reg (regcache
, S390_A0_REGNUM
+ inib
[2]))
5433 /* 0xe37d-0xe37f undefined */
5435 case 0xe385: /* LGAT - load and trap */
5436 case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */
5437 case 0xe39d: /* LLGFAT - load logical and trap */
5438 case 0xe650: /* VCVB - vector convert to binary 32 bit*/
5439 case 0xe652: /* VCVBG - vector convert to binary 64 bit*/
5440 case 0xe721: /* VLGV - vector load gr from vr element */
5441 /* 64-bit gpr destination + fpc for possible DXC write */
5442 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5444 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5448 /* 0xe38a-0xe38d undefined */
5449 /* 0xe392-0xe393 undefined */
5450 /* 0xe39a-0xe39b undefined */
5451 /* 0xe39e undefined */
5453 case 0xe39f: /* LAT - load and trap */
5454 /* 32-bit gpr destination + fpc for possible DXC write */
5455 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5457 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5461 /* 0xe3a0-0xe3bf undefined */
5463 case 0xe3c0: /* LBH - load byte high */
5464 case 0xe3c2: /* LLCH - load logical character high */
5465 case 0xe3c4: /* LHH - load halfword high */
5466 case 0xe3c6: /* LLHH - load logical halfword high */
5467 case 0xe3ca: /* LFH - load high */
5468 case 0xebe0: /* LOCFH - load high on condition */
5469 /* 32-bit high gpr destination */
5470 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
5474 /* 0xe3c1 undefined */
5475 /* 0xe3c5 undefined */
5477 case 0xe3c8: /* LFHAT - load high and trap */
5478 /* 32-bit high gpr destination + fpc for possible DXC write */
5479 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
5481 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5485 /* 0xe3c9 undefined */
5486 /* 0xe3cc undefined */
5487 /* 0xe3ce undefined */
5488 /* 0xe3d0-0xe3ff undefined */
5490 case 0xe634: /* VPKZ - vector pack zoned */
5491 case 0xe635: /* VLRL - vector load rightmost with immed. length */
5492 case 0xe637: /* VLRLR - vector load rightmost with length */
5493 case 0xe649: /* VLIP - vector load immediate decimal */
5494 case 0xe700: /* VLEB - vector load element */
5495 case 0xe701: /* VLEH - vector load element */
5496 case 0xe702: /* VLEG - vector load element */
5497 case 0xe703: /* VLEF - vector load element */
5498 case 0xe704: /* VLLEZ - vector load logical element and zero */
5499 case 0xe705: /* VLREP - vector load and replicate */
5500 case 0xe706: /* VL - vector load */
5501 case 0xe707: /* VLBB - vector load to block bounduary */
5502 case 0xe712: /* VGEG - vector gather element */
5503 case 0xe713: /* VGEF - vector gather element */
5504 case 0xe722: /* VLVG - vector load vr element from gr */
5505 case 0xe730: /* VESL - vector element shift left */
5506 case 0xe733: /* VERLL - vector element rotate left logical */
5507 case 0xe737: /* VLL - vector load with length */
5508 case 0xe738: /* VESRL - vector element shift right logical */
5509 case 0xe73a: /* VESRA - vector element shift right arithmetic */
5510 case 0xe740: /* VLEIB - vector load element immediate */
5511 case 0xe741: /* VLEIH - vector load element immediate */
5512 case 0xe742: /* VLEIG - vector load element immediate */
5513 case 0xe743: /* VLEIF - vector load element immediate */
5514 case 0xe744: /* VGBM - vector generate byte mask */
5515 case 0xe745: /* VREPI - vector replicate immediate */
5516 case 0xe746: /* VGM - vector generate mask */
5517 case 0xe74d: /* VREP - vector replicate */
5518 case 0xe750: /* VPOPCT - vector population count */
5519 case 0xe752: /* VCTZ - vector count trailing zeros */
5520 case 0xe753: /* VCLZ - vector count leading zeros */
5521 case 0xe756: /* VLR - vector load */
5522 case 0xe75f: /* VSEG -vector sign extend to doubleword */
5523 case 0xe760: /* VMRL - vector merge low */
5524 case 0xe761: /* VMRH - vector merge high */
5525 case 0xe762: /* VLVGP - vector load vr from grs disjoint */
5526 case 0xe764: /* VSUM - vector sum across word */
5527 case 0xe765: /* VSUMG - vector sum across doubleword */
5528 case 0xe766: /* VCKSM - vector checksum */
5529 case 0xe767: /* VSUMQ - vector sum across quadword */
5530 case 0xe768: /* VN - vector and */
5531 case 0xe769: /* VNC - vector and with complement */
5532 case 0xe76a: /* VO - vector or */
5533 case 0xe76b: /* VNO - vector nor */
5534 case 0xe76c: /* VNX - vector not exclusive or */
5535 case 0xe76d: /* VX - vector xor */
5536 case 0xe76e: /* VNN - vector nand */
5537 case 0xe76f: /* VOC - vector or with complement */
5538 case 0xe770: /* VESLV - vector element shift left */
5539 case 0xe772: /* VERIM - vector element rotate and insert under mask */
5540 case 0xe773: /* VERLLV - vector element rotate left logical */
5541 case 0xe774: /* VSL - vector shift left */
5542 case 0xe775: /* VSLB - vector shift left by byte */
5543 case 0xe777: /* VSLDB - vector shift left double by byte */
5544 case 0xe778: /* VESRLV - vector element shift right logical */
5545 case 0xe77a: /* VESRAV - vector element shift right arithmetic */
5546 case 0xe77c: /* VSRL - vector shift right logical */
5547 case 0xe77d: /* VSRLB - vector shift right logical by byte */
5548 case 0xe77e: /* VSRA - vector shift right arithmetic */
5549 case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */
5550 case 0xe784: /* VPDI - vector permute doubleword immediate */
5551 case 0xe785: /* VBPERM - vector bit permute */
5552 case 0xe78c: /* VPERM - vector permute */
5553 case 0xe78d: /* VSEL - vector select */
5554 case 0xe78e: /* VFMS - vector fp multiply and subtract */
5555 case 0xe78f: /* VFMA - vector fp multiply and add */
5556 case 0xe794: /* VPK - vector pack */
5557 case 0xe79e: /* VFNMS - vector fp negative multiply and subtract */
5558 case 0xe79f: /* VFNMA - vector fp negative multiply and add */
5559 case 0xe7a1: /* VMLH - vector multiply logical high */
5560 case 0xe7a2: /* VML - vector multiply low */
5561 case 0xe7a3: /* VMH - vector multiply high */
5562 case 0xe7a4: /* VMLE - vector multiply logical even */
5563 case 0xe7a5: /* VMLO - vector multiply logical odd */
5564 case 0xe7a6: /* VME - vector multiply even */
5565 case 0xe7a7: /* VMO - vector multiply odd */
5566 case 0xe7a9: /* VMALH - vector multiply and add logical high */
5567 case 0xe7aa: /* VMAL - vector multiply and add low */
5568 case 0xe7ab: /* VMAH - vector multiply and add high */
5569 case 0xe7ac: /* VMALE - vector multiply and add logical even */
5570 case 0xe7ad: /* VMALO - vector multiply and add logical odd */
5571 case 0xe7ae: /* VMAE - vector multiply and add even */
5572 case 0xe7af: /* VMAO - vector multiply and add odd */
5573 case 0xe7b4: /* VGFM - vector Galois field multiply sum */
5574 case 0xe7b8: /* VMSL - vector multiply sum logical */
5575 case 0xe7b9: /* VACCC - vector add with carry compute carry */
5576 case 0xe7bb: /* VAC - vector add with carry */
5577 case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */
5578 case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */
5579 case 0xe7bf: /* VSBI - vector subtract with borrow indication */
5580 case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */
5581 case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */
5582 case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */
5583 case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */
5584 case 0xe7c4: /* VLDE/VFLL - vector fp load lengthened */
5585 case 0xe7c5: /* VLED/VFLR - vector fp load rounded */
5586 case 0xe7c7: /* VFI - vector load fp integer */
5587 case 0xe7cc: /* VFPSO - vector fp perform sign operation */
5588 case 0xe7ce: /* VFSQ - vector fp square root */
5589 case 0xe7d4: /* VUPLL - vector unpack logical low */
5590 case 0xe7d6: /* VUPL - vector unpack low */
5591 case 0xe7d5: /* VUPLH - vector unpack logical high */
5592 case 0xe7d7: /* VUPH - vector unpack high */
5593 case 0xe7de: /* VLC - vector load complement */
5594 case 0xe7df: /* VLP - vector load positive */
5595 case 0xe7e2: /* VFA - vector fp subtract */
5596 case 0xe7e3: /* VFA - vector fp add */
5597 case 0xe7e5: /* VFD - vector fp divide */
5598 case 0xe7e7: /* VFM - vector fp multiply */
5599 case 0xe7ee: /* VFMIN - vector fp minimum */
5600 case 0xe7ef: /* VFMAX - vector fp maximum */
5601 case 0xe7f0: /* VAVGL - vector average logical */
5602 case 0xe7f1: /* VACC - vector add and compute carry */
5603 case 0xe7f2: /* VAVG - vector average */
5604 case 0xe7f3: /* VA - vector add */
5605 case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */
5606 case 0xe7f7: /* VS - vector subtract */
5607 case 0xe7fc: /* VMNL - vector minimum logical */
5608 case 0xe7fd: /* VMXL - vector maximum logical */
5609 case 0xe7fe: /* VMN - vector minimum */
5610 case 0xe7ff: /* VMX - vector maximum */
5611 /* vector destination + FPC */
5612 if (s390_record_vr (gdbarch
, regcache
, ivec
[0]))
5614 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5618 case 0xe63d: /* VSTRL - vector store rightmost with immed. length */
5619 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5620 if (record_full_arch_list_add_mem (oaddr
, inib
[3] + 1))
5622 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5626 case 0xe708: /* VSTEB - vector store element */
5627 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
5628 if (record_full_arch_list_add_mem (oaddr
, 1))
5630 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5634 case 0xe709: /* VSTEH - vector store element */
5635 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
5636 if (record_full_arch_list_add_mem (oaddr
, 2))
5638 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5642 case 0xe70a: /* VSTEG - vector store element */
5643 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
5644 if (record_full_arch_list_add_mem (oaddr
, 8))
5646 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5650 case 0xe70b: /* VSTEF - vector store element */
5651 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
5652 if (record_full_arch_list_add_mem (oaddr
, 4))
5654 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5658 /* 0xe70c-0xe70d undefined */
5660 case 0xe70e: /* VST - vector store */
5661 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, inib
[3], insn
[1], 0);
5662 if (record_full_arch_list_add_mem (oaddr
, 16))
5664 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5668 /* 0xe70f-0xe711 undefined */
5669 /* 0xe714-0xe719 undefined */
5671 case 0xe71a: /* VSCEG - vector scatter element */
5672 if (s390_record_calc_disp_vsce (gdbarch
, regcache
, ivec
[1], inib
[8], 8, insn
[1], 0, &oaddr
))
5674 if (record_full_arch_list_add_mem (oaddr
, 8))
5676 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5680 case 0xe71b: /* VSCEF - vector scatter element */
5681 if (s390_record_calc_disp_vsce (gdbarch
, regcache
, ivec
[1], inib
[8], 4, insn
[1], 0, &oaddr
))
5683 if (record_full_arch_list_add_mem (oaddr
, 4))
5685 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5689 /* 0xe71c-0xe720 undefined */
5690 /* 0xe723-0xe726 undefined */
5691 /* 0xe728-0xe72f undefined */
5692 /* 0xe731-0xe732 undefined */
5693 /* 0xe734-0xe735 undefined */
5695 case 0xe736: /* VLM - vector load multiple */
5696 for (i
= ivec
[0]; i
!= ivec
[1]; i
++, i
&= 0x1f)
5697 if (s390_record_vr (gdbarch
, regcache
, i
))
5699 if (s390_record_vr (gdbarch
, regcache
, ivec
[1]))
5701 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5705 /* 0xe739 undefined */
5706 /* 0xe73b-0xe73d undefined */
5708 case 0xe73e: /* VSTM - vector store multiple */
5709 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5710 if (ivec
[0] <= ivec
[1])
5711 n
= ivec
[1] - ivec
[0] + 1;
5713 n
= ivec
[1] + 0x20 - ivec
[0] + 1;
5714 if (record_full_arch_list_add_mem (oaddr
, n
* 16))
5716 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5720 case 0xe63c: /* VUPKZ - vector unpack zoned */
5721 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5722 if (record_full_arch_list_add_mem (oaddr
, (ibyte
[1] + 1) & 31))
5724 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5728 case 0xe63f: /* VSTRLR - vector store rightmost with length */
5729 case 0xe73f: /* VSTL - vector store with length */
5730 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
5731 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[3], &tmp
);
5735 if (record_full_arch_list_add_mem (oaddr
, tmp
+ 1))
5737 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5741 /* 0xe747-0xe749 undefined */
5743 case 0xe658: /* VCVD - vector convert to decimal 32 bit */
5744 case 0xe659: /* VSRP - vector shift and round decimal */
5745 case 0xe65a: /* VCVDG - vector convert to decimal 64 bit*/
5746 case 0xe65b: /* VPSOP - vector perform sign operation decimal */
5747 case 0xe671: /* VAP - vector add decimal */
5748 case 0xe673: /* VSP - vector subtract decimal */
5749 case 0xe678: /* VMP - vector multiply decimal */
5750 case 0xe679: /* VMSP - vector multiply decimal */
5751 case 0xe67a: /* VDP - vector divide decimal */
5752 case 0xe67b: /* VRP - vector remainder decimal */
5753 case 0xe67e: /* VSDP - vector shift and divide decimal */
5754 case 0xe74a: /* VFTCI - vector fp test data class immediate */
5755 case 0xe75c: /* VISTR - vector isolate string */
5756 case 0xe780: /* VFEE - vector find element equal */
5757 case 0xe781: /* VFENE - vector find element not equal */
5758 case 0xe782: /* VFA - vector find any element equal */
5759 case 0xe78a: /* VSTRC - vector string range compare */
5760 case 0xe795: /* VPKLS - vector pack logical saturate */
5761 case 0xe797: /* VPKS - vector pack saturate */
5762 case 0xe7e8: /* VFCE - vector fp compare equal */
5763 case 0xe7ea: /* VFCHE - vector fp compare high or equal */
5764 case 0xe7eb: /* VFCH - vector fp compare high */
5765 case 0xe7f8: /* VCEQ - vector compare equal */
5766 case 0xe7f9: /* VCHL - vector compare high logical */
5767 case 0xe7fb: /* VCH - vector compare high */
5768 /* vector destination + flags + FPC */
5769 if (s390_record_vr (gdbarch
, regcache
, ivec
[0]))
5771 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5773 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5777 case 0xe65f: /* VTP - vector test decimal */
5779 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5781 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5785 /* 0xe74b-0xe74c undefined */
5786 /* 0xe74e-0xe74f undefined */
5787 /* 0xe751 undefined */
5788 /* 0xe754-0xe755 undefined */
5789 /* 0xe757-0xe75b undefined */
5790 /* 0xe75d-0xe75e undefined */
5791 /* 0xe763 undefined */
5792 /* 0xe771 undefined */
5793 /* 0xe776 undefined */
5794 /* 0xe779 undefined */
5795 /* 0xe77b undefined */
5796 /* 0xe783 undefined */
5797 /* 0xe786-0xe789 undefined */
5798 /* 0xe78b undefined */
5799 /* 0xe790-0xe793 undefined */
5800 /* 0xe796 undefined */
5801 /* 0xe798-0xe79d undefined */
5802 /* 0xe7a0 undefined */
5803 /* 0xe7a8 undefined */
5804 /* 0xe7b0-0xe7b3 undefined */
5805 /* 0xe7b5-0xe7b7 undefined */
5806 /* 0xe7ba undefined */
5807 /* 0xe7be undefined */
5808 /* 0xe7c6 undefined */
5809 /* 0xe7c8-0xe7c9 undefined */
5811 case 0xe677: /* VCP - vector compare decimal */
5812 case 0xe7ca: /* WFK - vector fp compare and signal scalar */
5813 case 0xe7cb: /* WFC - vector fp compare scalar */
5814 case 0xe7d8: /* VTM - vector test under mask */
5815 case 0xe7d9: /* VECL - vector element compare logical */
5816 case 0xe7db: /* VEC - vector element compare */
5817 case 0xed08: /* KEB - compare and signal */
5818 case 0xed09: /* CEB - compare */
5819 case 0xed18: /* KDB - compare and signal */
5820 case 0xed19: /* CDB - compare */
5821 /* flags + fpc only */
5822 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5824 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5828 /* 0xe7cd undefined */
5829 /* 0xe7cf-0xe7d3 undefined */
5830 /* 0xe7da undefined */
5831 /* 0xe7dc-0xe7dd undefined */
5832 /* 0xe7e0-0xe7e1 undefined */
5833 /* 0xe7e4 undefined */
5834 /* 0xe7e6 undefined */
5835 /* 0xe7e9 undefined */
5836 /* 0xe7ec-0xe7ed undefined */
5837 /* 0xe7f4 undefined */
5838 /* 0xe7f6 undefined */
5839 /* 0xe7fa undefined */
5841 /* 0xeb00-0xeb03 undefined */
5843 case 0xeb04: /* LMG - load multiple */
5844 for (i
= inib
[2]; i
!= inib
[3]; i
++, i
&= 0xf)
5845 if (s390_record_gpr_g (gdbarch
, regcache
, i
))
5847 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[3]))
5851 /* 0xeb05-0xeb09 undefined */
5852 /* 0xeb0e undefined */
5853 /* 0xeb0f privileged: TRACG */
5854 /* 0xeb10-0xeb13 undefined */
5856 case 0xeb14: /* CSY - compare and swap */
5857 case 0xebf4: /* LAN - load and and */
5858 case 0xebf6: /* LAO - load and or */
5859 case 0xebf7: /* LAX - load and xor */
5860 case 0xebf8: /* LAA - load and add */
5861 case 0xebfa: /* LAAL - load and add logical */
5862 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5863 if (record_full_arch_list_add_mem (oaddr
, 4))
5865 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5867 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5871 /* 0xeb15-0xeb1b undefined */
5872 /* 0xeb1e-0xeb1f undefined */
5873 /* 0xeb22 undefined */
5875 case 0xeb23: /* CLT - compare logical and trap */
5876 case 0xeb2b: /* CLGT - compare logical and trap */
5877 /* fpc only - including possible DXC write for trapping insns */
5878 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
5882 case 0xeb24: /* STMG - store multiple */
5883 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5884 if (inib
[2] <= inib
[3])
5885 n
= inib
[3] - inib
[2] + 1;
5887 n
= inib
[3] + 0x10 - inib
[2] + 1;
5888 if (record_full_arch_list_add_mem (oaddr
, n
* 8))
5892 /* 0xeb25 privileged */
5894 case 0xeb26: /* STMH - store multiple high */
5895 case 0xeb90: /* STMY - store multiple */
5896 case 0xeb9b: /* STAMY - store access multiple */
5897 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5898 if (inib
[2] <= inib
[3])
5899 n
= inib
[3] - inib
[2] + 1;
5901 n
= inib
[3] + 0x10 - inib
[2] + 1;
5902 if (record_full_arch_list_add_mem (oaddr
, n
* 4))
5906 /* 0xeb27-0xeb2a undefined */
5908 case 0xeb2c: /* STCMH - store characters under mask */
5909 case 0xeb2d: /* STCMY - store characters under mask */
5910 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5911 if (record_full_arch_list_add_mem (oaddr
, s390_popcnt (inib
[3])))
5915 /* 0xeb2e undefined */
5916 /* 0xeb2f privileged */
5918 case 0xeb30: /* CSG - compare and swap */
5919 case 0xebe4: /* LANG - load and and */
5920 case 0xebe6: /* LAOG - load and or */
5921 case 0xebe7: /* LAXG - load and xor */
5922 case 0xebe8: /* LAAG - load and add */
5923 case 0xebea: /* LAALG - load and add logical */
5924 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5925 if (record_full_arch_list_add_mem (oaddr
, 8))
5927 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5929 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5933 case 0xeb31: /* CDSY - compare double and swap */
5934 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5935 if (record_full_arch_list_add_mem (oaddr
, 8))
5937 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
5939 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
5941 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5945 /* 0xeb32-0xeb3d undefined */
5947 case 0xeb3e: /* CDSG - compare double and swap */
5948 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5949 if (record_full_arch_list_add_mem (oaddr
, 16))
5951 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
5953 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2] | 1))
5955 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5959 /* 0xeb3f-0xeb43 undefined */
5960 /* 0xeb46-0xeb4b undefined */
5961 /* 0xeb4d-0xeb50 undefined */
5963 case 0xeb52: /* MVIY - move */
5964 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5965 if (record_full_arch_list_add_mem (oaddr
, 1))
5969 case 0xeb54: /* NIY - and */
5970 case 0xeb56: /* OIY - or */
5971 case 0xeb57: /* XIY - xor */
5972 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5973 if (record_full_arch_list_add_mem (oaddr
, 1))
5975 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5979 /* 0xeb53 undefined */
5980 /* 0xeb58-0xeb69 undefined */
5982 case 0xeb6a: /* ASI - add immediate */
5983 case 0xeb6e: /* ALSI - add immediate */
5984 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5985 if (record_full_arch_list_add_mem (oaddr
, 4))
5987 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
5991 /* 0xeb6b-0xeb6d undefined */
5992 /* 0xeb6f-0xeb79 undefined */
5994 case 0xeb7a: /* AGSI - add immediate */
5995 case 0xeb7e: /* ALGSI - add immediate */
5996 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], ibyte
[4]);
5997 if (record_full_arch_list_add_mem (oaddr
, 8))
5999 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6003 /* 0xeb7b-0xeb7d undefined */
6004 /* 0xeb7f undefined */
6006 case 0xeb80: /* ICMH - insert characters under mask */
6007 /* 32-bit high gpr destination + flags */
6008 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
6010 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6014 /* 0xeb82-0xeb8d undefined */
6016 case 0xeb8e: /* MVCLU - move long unicode [partial] */
6017 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ inib
[2], &tmp
);
6018 oaddr
= s390_record_address_mask (gdbarch
, regcache
, tmp
);
6019 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1), &tmp
);
6020 if (record_full_arch_list_add_mem (oaddr
, tmp
))
6022 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
6024 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
6026 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
6028 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[3] | 1)))
6030 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6034 case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */
6035 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
6037 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[2] | 1)))
6039 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
6041 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ (inib
[3] | 1)))
6043 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6047 /* 0xeb91-0xeb95 undefined */
6049 case 0xeb96: /* LMH - load multiple high */
6050 for (i
= inib
[2]; i
!= inib
[3]; i
++, i
&= 0xf)
6051 if (s390_record_gpr_h (gdbarch
, regcache
, i
))
6053 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[3]))
6057 /* 0xeb97 undefined */
6059 case 0xeb98: /* LMY - load multiple */
6060 for (i
= inib
[2]; i
!= inib
[3]; i
++, i
&= 0xf)
6061 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ i
))
6063 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
6067 /* 0xeb99 undefined */
6069 case 0xeb9a: /* LAMY - load access multiple */
6070 for (i
= inib
[2]; i
!= inib
[3]; i
++, i
&= 0xf)
6071 if (record_full_arch_list_add_reg (regcache
, S390_A0_REGNUM
+ i
))
6073 if (record_full_arch_list_add_reg (regcache
, S390_A0_REGNUM
+ inib
[3]))
6077 /* 0xeb9c-0xebbf undefined */
6078 /* 0xebc1-0xebdb undefined */
6079 /* 0xebe5 undefined */
6080 /* 0xebe9 undefined */
6081 /* 0xebeb-0xebf1 undefined */
6082 /* 0xebf5 undefined */
6083 /* 0xebf9 undefined */
6084 /* 0xebfb-0xebff undefined */
6086 /* 0xed00-0xed03 undefined */
6088 case 0xed04: /* LDEB - load lengthened */
6089 case 0xed0c: /* MDEB - multiply */
6090 case 0xed0d: /* DEB - divide */
6091 case 0xed14: /* SQEB - square root */
6092 case 0xed15: /* SQDB - square root */
6093 case 0xed17: /* MEEB - multiply */
6094 case 0xed1c: /* MDB - multiply */
6095 case 0xed1d: /* DDB - divide */
6096 /* float destination + fpc */
6097 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
6099 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6103 case 0xed05: /* LXDB - load lengthened */
6104 case 0xed06: /* LXEB - load lengthened */
6105 case 0xed07: /* MXDB - multiply */
6106 /* float pair destination + fpc */
6107 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
6109 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[2] | 2)))
6111 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6115 case 0xed0a: /* AEB - add */
6116 case 0xed0b: /* SEB - subtract */
6117 case 0xed1a: /* ADB - add */
6118 case 0xed1b: /* SDB - subtract */
6119 /* float destination + flags + fpc */
6120 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
6122 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6124 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6128 case 0xed0e: /* MAEB - multiply and add */
6129 case 0xed0f: /* MSEB - multiply and subtract */
6130 case 0xed1e: /* MADB - multiply and add */
6131 case 0xed1f: /* MSDB - multiply and subtract */
6132 case 0xed40: /* SLDT - shift significand left */
6133 case 0xed41: /* SRDT - shift significand right */
6134 case 0xedaa: /* CDZT - convert from zoned */
6135 case 0xedae: /* CDPT - convert from packed */
6136 /* float destination [RXF] + fpc */
6137 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[8]))
6139 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6143 /* 0xed13 undefined */
6144 /* 0xed16 undefined */
6145 /* 0xed20-0xed23 undefined */
6147 case 0xed24: /* LDE - load lengthened */
6148 case 0xed34: /* SQE - square root */
6149 case 0xed35: /* SQD - square root */
6150 case 0xed37: /* MEE - multiply */
6151 case 0xed64: /* LEY - load */
6152 case 0xed65: /* LDY - load */
6153 /* float destination */
6154 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
6158 case 0xed25: /* LXD - load lengthened */
6159 case 0xed26: /* LXE - load lengthened */
6160 /* float pair destination */
6161 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[2]))
6163 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[2] | 2)))
6167 /* 0xed27-0xed2d undefined */
6169 case 0xed2e: /* MAE - multiply and add */
6170 case 0xed2f: /* MSE - multiply and subtract */
6171 case 0xed38: /* MAYL - multiply and add unnormalized */
6172 case 0xed39: /* MYL - multiply unnormalized */
6173 case 0xed3c: /* MAYH - multiply and add unnormalized */
6174 case 0xed3d: /* MYH - multiply unnormalized */
6175 case 0xed3e: /* MAD - multiply and add */
6176 case 0xed3f: /* MSD - multiply and subtract */
6177 /* float destination [RXF] */
6178 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[8]))
6182 /* 0xed30-0xed33 undefined */
6183 /* 0xed36 undefined */
6185 case 0xed3a: /* MAY - multiply and add unnormalized */
6186 case 0xed3b: /* MY - multiply unnormalized */
6187 /* float pair destination [RXF] */
6188 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[8]))
6190 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[8] | 2)))
6194 /* 0xed42-0xed47 undefind */
6196 case 0xed48: /* SLXT - shift significand left */
6197 case 0xed49: /* SRXT - shift significand right */
6198 case 0xedab: /* CXZT - convert from zoned */
6199 case 0xedaf: /* CXPT - convert from packed */
6200 /* float pair destination [RXF] + fpc */
6201 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ inib
[8]))
6203 if (record_full_arch_list_add_reg (regcache
, S390_F0_REGNUM
+ (inib
[8] | 2)))
6205 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6209 /* 0xed4a-0xed4f undefind */
6210 /* 0xed52-0xed53 undefind */
6211 /* 0xed56-0xed57 undefind */
6212 /* 0xed5a-0xed63 undefind */
6213 /* 0xed68-0xeda7 undefined */
6215 case 0xeda8: /* CZDT - convert to zoned */
6216 case 0xeda9: /* CZXT - convert to zoned */
6217 case 0xedac: /* CPDT - convert to packed */
6218 case 0xedad: /* CPXT - convert to packed */
6219 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6220 if (record_full_arch_list_add_mem (oaddr
, ibyte
[1] + 1))
6222 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6226 /* 0xedb0-0xedff undefined */
6233 /* 0xe4 undefined */
6236 /* SSE/SIL-format instruction */
6239 /* 0xe500-0xe543 undefined, privileged, or unsupported */
6241 case 0xe544: /* MVHHI - move */
6242 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6243 if (record_full_arch_list_add_mem (oaddr
, 2))
6247 /* 0xe545-0xe547 undefined */
6249 case 0xe548: /* MVGHI - move */
6250 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6251 if (record_full_arch_list_add_mem (oaddr
, 8))
6255 /* 0xe549-0xe54b undefined */
6257 case 0xe54c: /* MVHI - move */
6258 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6259 if (record_full_arch_list_add_mem (oaddr
, 4))
6263 /* 0xe54d-0xe553 undefined */
6265 case 0xe554: /* CHHSI - compare halfword immediate */
6266 case 0xe555: /* CLHHSI - compare logical immediate */
6267 case 0xe558: /* CGHSI - compare halfword immediate */
6268 case 0xe559: /* CLGHSI - compare logical immediate */
6269 case 0xe55c: /* CHSI - compare halfword immediate */
6270 case 0xe55d: /* CLFHSI - compare logical immediate */
6271 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6275 /* 0xe556-0xe557 undefined */
6276 /* 0xe55a-0xe55b undefined */
6277 /* 0xe55e-0xe55f undefined */
6279 case 0xe560: /* TBEGIN - transaction begin */
6280 /* The transaction will be immediately aborted after this
6281 instruction, due to single-stepping. This instruction is
6282 only supported so that the program can fail a few times
6283 and go to the non-transactional fallback. */
6286 /* Transaction diagnostic block - user. */
6287 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6288 if (record_full_arch_list_add_mem (oaddr
, 256))
6291 /* Transaction diagnostic block - supervisor. */
6292 if (record_full_arch_list_add_reg (regcache
, S390_TDB_DWORD0_REGNUM
))
6294 if (record_full_arch_list_add_reg (regcache
, S390_TDB_ABORT_CODE_REGNUM
))
6296 if (record_full_arch_list_add_reg (regcache
, S390_TDB_CONFLICT_TOKEN_REGNUM
))
6298 if (record_full_arch_list_add_reg (regcache
, S390_TDB_ATIA_REGNUM
))
6300 for (i
= 0; i
< 16; i
++)
6301 if (record_full_arch_list_add_reg (regcache
, S390_TDB_R0_REGNUM
+ i
))
6304 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6308 /* 0xe561 unsupported: TBEGINC */
6309 /* 0xe562-0xe5ff undefined */
6317 /* RIE/RIS/RRS-format instruction */
6318 switch (ibyte
[0] << 8 | ibyte
[5])
6320 /* 0xec00-0xec41 undefined */
6322 case 0xec42: /* LOCHI - load halfword immediate on condition */
6323 case 0xec51: /* RISBLG - rotate then insert selected bits low */
6324 /* 32-bit or native gpr destination */
6325 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
6329 /* 0xec43 undefined */
6331 case 0xec44: /* BRXHG - branch relative on index high */
6332 case 0xec45: /* BRXLG - branch relative on index low or equal */
6333 case 0xec46: /* LOCGHI - load halfword immediate on condition */
6334 case 0xec59: /* RISBGN - rotate then insert selected bits */
6335 /* 64-bit gpr destination */
6336 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
6340 /* 0xec47-0xec4d undefined */
6342 case 0xec4e: /* LOCHHI - load halfword immediate on condition */
6343 case 0xec5d: /* RISBHG - rotate then insert selected bits high */
6344 /* 32-bit high gpr destination */
6345 if (s390_record_gpr_h (gdbarch
, regcache
, inib
[2]))
6349 /* 0xec4f-0xec50 undefined */
6350 /* 0xec52-0xec53 undefined */
6352 case 0xec54: /* RNSBG - rotate then and selected bits */
6353 case 0xec55: /* RISBG - rotate then insert selected bits */
6354 case 0xec56: /* ROSBG - rotate then or selected bits */
6355 case 0xec57: /* RXSBG - rotate then xor selected bits */
6356 case 0xecd9: /* AGHIK - add immediate */
6357 case 0xecdb: /* ALGHSIK - add logical immediate */
6358 /* 64-bit gpr destination + flags */
6359 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
6361 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6365 /* 0xec58 undefined */
6366 /* 0xec5a-0xec5c undefined */
6367 /* 0xec5e-0xec63 undefined */
6369 case 0xec64: /* CGRJ - compare and branch relative */
6370 case 0xec65: /* CLGRJ - compare logical and branch relative */
6371 case 0xec76: /* CRJ - compare and branch relative */
6372 case 0xec77: /* CLRJ - compare logical and branch relative */
6373 case 0xec7c: /* CGIJ - compare immediate and branch relative */
6374 case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */
6375 case 0xec7e: /* CIJ - compare immediate and branch relative */
6376 case 0xec7f: /* CLIJ - compare logical immediate and branch relative */
6377 case 0xece4: /* CGRB - compare and branch */
6378 case 0xece5: /* CLGRB - compare logical and branch */
6379 case 0xecf6: /* CRB - compare and branch */
6380 case 0xecf7: /* CLRB - compare logical and branch */
6381 case 0xecfc: /* CGIB - compare immediate and branch */
6382 case 0xecfd: /* CLGIB - compare logical immediate and branch */
6383 case 0xecfe: /* CIB - compare immediate and branch */
6384 case 0xecff: /* CLIB - compare logical immediate and branch */
6387 /* 0xec66-0xec6f undefined */
6389 case 0xec70: /* CGIT - compare immediate and trap */
6390 case 0xec71: /* CLGIT - compare logical immediate and trap */
6391 case 0xec72: /* CIT - compare immediate and trap */
6392 case 0xec73: /* CLFIT - compare logical immediate and trap */
6393 /* fpc only - including possible DXC write for trapping insns */
6394 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6398 /* 0xec74-0xec75 undefined */
6399 /* 0xec78-0xec7b undefined */
6401 /* 0xec80-0xecd7 undefined */
6403 case 0xecd8: /* AHIK - add immediate */
6404 case 0xecda: /* ALHSIK - add logical immediate */
6405 /* 32-bit gpr destination + flags */
6406 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
6408 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6412 /* 0xecdc-0xece3 undefined */
6413 /* 0xece6-0xecf5 undefined */
6414 /* 0xecf8-0xecfb undefined */
6421 case 0xee: /* PLO - perform locked operation */
6422 regcache_raw_read_unsigned (regcache
, S390_R0_REGNUM
, &tmp
);
6423 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6424 oaddr2
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[2], 0);
6427 uint8_t fc
= tmp
& 0xff;
6433 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
6436 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
6440 case 0x01: /* CLG */
6442 if (record_full_arch_list_add_mem (oaddr2
+ 0x08, 8))
6445 if (record_full_arch_list_add_mem (oaddr2
+ 0x28, 8))
6449 case 0x02: /* CLGR */
6451 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
6454 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[3]))
6458 case 0x03: /* CLX */
6460 if (record_full_arch_list_add_mem (oaddr2
+ 0x00, 16))
6463 if (record_full_arch_list_add_mem (oaddr2
+ 0x20, 16))
6467 case 0x08: /* DCS */
6469 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[3]))
6472 case 0x0c: /* CSST */
6474 if (record_full_arch_list_add_mem (oaddr2
, 4))
6478 case 0x14: /* CSTST */
6480 if (target_read_memory (oaddr2
+ 0x88, buf
, 8))
6482 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6483 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6484 if (record_full_arch_list_add_mem (oaddr3
, 4))
6487 case 0x10: /* CSDST */
6489 if (target_read_memory (oaddr2
+ 0x68, buf
, 8))
6491 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6492 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6493 if (record_full_arch_list_add_mem (oaddr3
, 4))
6496 if (target_read_memory (oaddr2
+ 0x48, buf
, 8))
6498 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6499 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6500 if (record_full_arch_list_add_mem (oaddr3
, 4))
6506 if (record_full_arch_list_add_reg (regcache
, S390_R0_REGNUM
+ inib
[2]))
6509 if (record_full_arch_list_add_mem (oaddr
, 4))
6513 case 0x09: /* DCSG */
6515 if (record_full_arch_list_add_mem (oaddr2
+ 0x28, 8))
6519 case 0x15: /* CSTSTG */
6521 if (target_read_memory (oaddr2
+ 0x88, buf
, 8))
6523 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6524 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6525 if (record_full_arch_list_add_mem (oaddr3
, 8))
6528 case 0x11: /* CSDSTG */
6530 if (target_read_memory (oaddr2
+ 0x68, buf
, 8))
6532 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6533 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6534 if (record_full_arch_list_add_mem (oaddr3
, 8))
6537 case 0x0d: /* CSSTG */
6540 if (target_read_memory (oaddr2
+ 0x48, buf
, 8))
6542 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6543 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6544 if (record_full_arch_list_add_mem (oaddr3
, 8))
6547 case 0x05: /* CSG */
6549 if (record_full_arch_list_add_mem (oaddr2
+ 0x08, 8))
6552 if (record_full_arch_list_add_mem (oaddr
, 8))
6556 case 0x0a: /* DCSGR */
6558 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[3]))
6561 case 0x0e: /* CSSTGR */
6563 if (record_full_arch_list_add_mem (oaddr2
, 8))
6567 case 0x16: /* CSTSTGR */
6569 if (target_read_memory (oaddr2
+ 0x88, buf
, 8))
6571 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6572 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6573 if (record_full_arch_list_add_mem (oaddr3
, 8))
6576 case 0x12: /* CSDSTGR */
6578 if (target_read_memory (oaddr2
+ 0x68, buf
, 8))
6580 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6581 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6582 if (record_full_arch_list_add_mem (oaddr3
, 8))
6585 if (target_read_memory (oaddr2
+ 0x48, buf
, 8))
6587 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6588 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6589 if (record_full_arch_list_add_mem (oaddr3
, 8))
6592 case 0x06: /* CSGR */
6595 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[2]))
6598 if (record_full_arch_list_add_mem (oaddr
, 8))
6602 case 0x0b: /* DCSX */
6604 if (record_full_arch_list_add_mem (oaddr2
+ 0x20, 16))
6608 case 0x17: /* CSTSTX */
6610 if (target_read_memory (oaddr2
+ 0x88, buf
, 8))
6612 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6613 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6614 if (record_full_arch_list_add_mem (oaddr3
, 16))
6617 case 0x13: /* CSDSTX */
6619 if (target_read_memory (oaddr2
+ 0x68, buf
, 8))
6621 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6622 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6623 if (record_full_arch_list_add_mem (oaddr3
, 16))
6626 case 0x0f: /* CSSTX */
6629 if (target_read_memory (oaddr2
+ 0x48, buf
, 8))
6631 oaddr3
= extract_unsigned_integer (buf
, 8, byte_order
);
6632 oaddr3
= s390_record_address_mask (gdbarch
, regcache
, oaddr3
);
6633 if (record_full_arch_list_add_mem (oaddr3
, 16))
6636 case 0x07: /* CSX */
6638 if (record_full_arch_list_add_mem (oaddr2
+ 0x00, 16))
6641 if (record_full_arch_list_add_mem (oaddr
, 16))
6646 fprintf_unfiltered (gdb_stdlog
, "Warning: Unknown PLO FC %02x at %s.\n",
6647 fc
, paddress (gdbarch
, addr
));
6651 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6655 case 0xef: /* LMD - load multiple disjoint */
6656 for (i
= inib
[2]; i
!= inib
[3]; i
++, i
&= 0xf)
6657 if (s390_record_gpr_g (gdbarch
, regcache
, i
))
6659 if (s390_record_gpr_g (gdbarch
, regcache
, inib
[3]))
6663 case 0xf0: /* SRP - shift and round decimal */
6664 case 0xf8: /* ZAP - zero and add */
6665 case 0xfa: /* AP - add decimal */
6666 case 0xfb: /* SP - subtract decimal */
6667 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6668 if (record_full_arch_list_add_mem (oaddr
, inib
[2] + 1))
6670 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6672 /* DXC may be written */
6673 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6677 case 0xf1: /* MVO - move with offset */
6678 case 0xf2: /* PACK - pack */
6679 case 0xf3: /* UNPK - unpack */
6680 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6681 if (record_full_arch_list_add_mem (oaddr
, inib
[2] + 1))
6685 /* 0xf4-0xf7 undefined */
6687 case 0xf9: /* CP - compare decimal */
6688 if (record_full_arch_list_add_reg (regcache
, S390_PSWM_REGNUM
))
6690 /* DXC may be written */
6691 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6695 case 0xfc: /* MP - multiply decimal */
6696 case 0xfd: /* DP - divide decimal */
6697 oaddr
= s390_record_calc_disp (gdbarch
, regcache
, 0, insn
[1], 0);
6698 if (record_full_arch_list_add_mem (oaddr
, inib
[2] + 1))
6700 /* DXC may be written */
6701 if (record_full_arch_list_add_reg (regcache
, S390_FPC_REGNUM
))
6705 /* 0xfe-0xff undefined */
6709 fprintf_unfiltered (gdb_stdlog
, "Warning: Don't know how to record %04x "
6710 "at %s.\n", insn
[0], paddress (gdbarch
, addr
));
6714 if (record_full_arch_list_add_reg (regcache
, S390_PSWA_REGNUM
))
6716 if (record_full_arch_list_add_end ())
6721 /* Miscellaneous. */
6723 /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or
6724 "-mcmodel=large". */
6727 s390_gcc_target_options (struct gdbarch
*gdbarch
)
6729 return xstrdup (gdbarch_ptr_bit (gdbarch
) == 64 ? "-m64" : "-m31");
6732 /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*"
6733 for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is
6734 always "s390". Note that an s390x compiler supports "-m31" as
6738 s390_gnu_triplet_regexp (struct gdbarch
*gdbarch
)
6743 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
6747 s390_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
)
6749 return ((isdigit (*s
) && s
[1] == '(' && s
[2] == '%') /* Displacement
6751 || *s
== '%' /* Register access. */
6752 || isdigit (*s
)); /* Literal number. */
6757 /* Validate the range of registers. NAMES must be known at compile time. */
6759 #define s390_validate_reg_range(feature, tdesc_data, start, names) \
6762 for (int i = 0; i < ARRAY_SIZE (names); i++) \
6763 if (!tdesc_numbered_register (feature, tdesc_data, start + i, names[i])) \
6768 /* Validate the target description. Also numbers registers contained in
6772 s390_tdesc_valid (struct gdbarch_tdep
*tdep
,
6773 struct tdesc_arch_data
*tdesc_data
)
6775 static const char *const psw
[] = {
6778 static const char *const gprs
[] = {
6779 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
6780 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
6782 static const char *const fprs
[] = {
6783 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
6784 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15"
6786 static const char *const acrs
[] = {
6787 "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7",
6788 "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15"
6790 static const char *const gprs_lower
[] = {
6791 "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
6792 "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l"
6794 static const char *const gprs_upper
[] = {
6795 "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
6796 "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h"
6798 static const char *const tdb_regs
[] = {
6799 "tdb0", "tac", "tct", "atia",
6800 "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7",
6801 "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
6803 static const char *const vxrs_low
[] = {
6804 "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l",
6805 "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l",
6807 static const char *const vxrs_high
[] = {
6808 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
6809 "v25", "v26", "v27", "v28", "v29", "v30", "v31",
6811 static const char *const gs_cb
[] = {
6812 "gsd", "gssm", "gsepla",
6814 static const char *const gs_bc
[] = {
6815 "bc_gsd", "bc_gssm", "bc_gsepla",
6818 const struct target_desc
*tdesc
= tdep
->tdesc
;
6819 const struct tdesc_feature
*feature
;
6821 if (!tdesc_has_registers (tdesc
))
6824 /* Core registers, i.e. general purpose and PSW. */
6825 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.core");
6826 if (feature
== NULL
)
6829 s390_validate_reg_range (feature
, tdesc_data
, S390_PSWM_REGNUM
, psw
);
6831 if (tdesc_unnumbered_register (feature
, "r0"))
6833 s390_validate_reg_range (feature
, tdesc_data
, S390_R0_REGNUM
, gprs
);
6837 tdep
->have_upper
= true;
6838 s390_validate_reg_range (feature
, tdesc_data
, S390_R0_REGNUM
,
6840 s390_validate_reg_range (feature
, tdesc_data
, S390_R0_UPPER_REGNUM
,
6844 /* Floating point registers. */
6845 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.fpr");
6846 if (feature
== NULL
)
6849 if (!tdesc_numbered_register (feature
, tdesc_data
, S390_FPC_REGNUM
, "fpc"))
6852 s390_validate_reg_range (feature
, tdesc_data
, S390_F0_REGNUM
, fprs
);
6854 /* Access control registers. */
6855 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.acr");
6856 if (feature
== NULL
)
6859 s390_validate_reg_range (feature
, tdesc_data
, S390_A0_REGNUM
, acrs
);
6861 /* Optional GNU/Linux-specific "registers". */
6862 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.linux");
6865 tdesc_numbered_register (feature
, tdesc_data
,
6866 S390_ORIG_R2_REGNUM
, "orig_r2");
6868 if (tdesc_numbered_register (feature
, tdesc_data
,
6869 S390_LAST_BREAK_REGNUM
, "last_break"))
6870 tdep
->have_linux_v1
= true;
6872 if (tdesc_numbered_register (feature
, tdesc_data
,
6873 S390_SYSTEM_CALL_REGNUM
, "system_call"))
6874 tdep
->have_linux_v2
= true;
6876 if (tdep
->have_linux_v2
&& !tdep
->have_linux_v1
)
6880 /* Transaction diagnostic block. */
6881 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.tdb");
6884 s390_validate_reg_range (feature
, tdesc_data
, S390_TDB_DWORD0_REGNUM
,
6886 tdep
->have_tdb
= true;
6889 /* Vector registers. */
6890 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.vx");
6893 s390_validate_reg_range (feature
, tdesc_data
, S390_V0_LOWER_REGNUM
,
6895 s390_validate_reg_range (feature
, tdesc_data
, S390_V16_REGNUM
,
6897 tdep
->have_vx
= true;
6900 /* Guarded-storage registers. */
6901 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.gs");
6904 s390_validate_reg_range (feature
, tdesc_data
, S390_GSD_REGNUM
, gs_cb
);
6905 tdep
->have_gs
= true;
6908 /* Guarded-storage broadcast control. */
6909 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.s390.gsbc");
6914 s390_validate_reg_range (feature
, tdesc_data
, S390_BC_GSD_REGNUM
,
6921 /* Allocate and initialize new gdbarch_tdep. Caller is responsible to free
6922 memory after use. */
6924 static struct gdbarch_tdep
*
6925 s390_gdbarch_tdep_alloc ()
6927 struct gdbarch_tdep
*tdep
= XCNEW (struct gdbarch_tdep
);
6931 tdep
->abi
= ABI_NONE
;
6932 tdep
->vector_abi
= S390_VECTOR_ABI_NONE
;
6934 tdep
->gpr_full_regnum
= -1;
6935 tdep
->v0_full_regnum
= -1;
6936 tdep
->pc_regnum
= -1;
6937 tdep
->cc_regnum
= -1;
6939 tdep
->have_upper
= false;
6940 tdep
->have_linux_v1
= false;
6941 tdep
->have_linux_v2
= false;
6942 tdep
->have_tdb
= false;
6943 tdep
->have_vx
= false;
6944 tdep
->have_gs
= false;
6946 tdep
->s390_syscall_record
= NULL
;
6951 /* Set up gdbarch struct. */
6953 static struct gdbarch
*
6954 s390_gdbarch_init (struct gdbarch_info info
, struct gdbarch_list
*arches
)
6956 const struct target_desc
*tdesc
= info
.target_desc
;
6957 int first_pseudo_reg
, last_pseudo_reg
;
6958 static const char *const stap_register_prefixes
[] = { "%", NULL
};
6959 static const char *const stap_register_indirection_prefixes
[] = { "(",
6961 static const char *const stap_register_indirection_suffixes
[] = { ")",
6964 struct gdbarch_tdep
*tdep
= s390_gdbarch_tdep_alloc ();
6965 struct gdbarch
*gdbarch
= gdbarch_alloc (&info
, tdep
);
6966 struct tdesc_arch_data
*tdesc_data
= tdesc_data_alloc ();
6967 info
.tdesc_data
= tdesc_data
;
6969 set_gdbarch_believe_pcc_promotion (gdbarch
, 0);
6970 set_gdbarch_char_signed (gdbarch
, 0);
6972 /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
6973 We can safely let them default to 128-bit, since the debug info
6974 will give the size of type actually used in each case. */
6975 set_gdbarch_long_double_bit (gdbarch
, 128);
6976 set_gdbarch_long_double_format (gdbarch
, floatformats_ia64_quad
);
6978 set_gdbarch_type_align (gdbarch
, s390_type_align
);
6981 /* Amount PC must be decremented by after a breakpoint. This is
6982 often the number of bytes returned by gdbarch_breakpoint_from_pc but not
6984 set_gdbarch_decr_pc_after_break (gdbarch
, 2);
6985 set_gdbarch_breakpoint_kind_from_pc (gdbarch
, s390_breakpoint::kind_from_pc
);
6986 set_gdbarch_sw_breakpoint_from_kind (gdbarch
, s390_breakpoint::bp_from_kind
);
6988 /* Displaced stepping. */
6989 set_gdbarch_displaced_step_copy_insn (gdbarch
,
6990 s390_displaced_step_copy_insn
);
6991 set_gdbarch_displaced_step_fixup (gdbarch
, s390_displaced_step_fixup
);
6992 set_gdbarch_displaced_step_location (gdbarch
, linux_displaced_step_location
);
6993 set_gdbarch_displaced_step_hw_singlestep (gdbarch
, s390_displaced_step_hw_singlestep
);
6994 set_gdbarch_software_single_step (gdbarch
, s390_software_single_step
);
6995 set_gdbarch_max_insn_length (gdbarch
, S390_MAX_INSTR_SIZE
);
6997 /* Prologue analysis. */
6998 set_gdbarch_skip_prologue (gdbarch
, s390_skip_prologue
);
7000 /* Register handling. */
7001 set_gdbarch_num_regs (gdbarch
, S390_NUM_REGS
);
7002 set_gdbarch_sp_regnum (gdbarch
, S390_SP_REGNUM
);
7003 set_gdbarch_fp0_regnum (gdbarch
, S390_F0_REGNUM
);
7004 set_gdbarch_guess_tracepoint_registers (gdbarch
,
7005 s390_guess_tracepoint_registers
);
7006 set_gdbarch_stab_reg_to_regnum (gdbarch
, s390_dwarf_reg_to_regnum
);
7007 set_gdbarch_dwarf2_reg_to_regnum (gdbarch
, s390_dwarf_reg_to_regnum
);
7008 set_gdbarch_value_from_register (gdbarch
, s390_value_from_register
);
7010 /* Pseudo registers. */
7011 set_gdbarch_pseudo_register_read (gdbarch
, s390_pseudo_register_read
);
7012 set_gdbarch_pseudo_register_write (gdbarch
, s390_pseudo_register_write
);
7013 set_tdesc_pseudo_register_name (gdbarch
, s390_pseudo_register_name
);
7014 set_tdesc_pseudo_register_type (gdbarch
, s390_pseudo_register_type
);
7015 set_tdesc_pseudo_register_reggroup_p (gdbarch
,
7016 s390_pseudo_register_reggroup_p
);
7017 set_gdbarch_ax_pseudo_register_collect (gdbarch
,
7018 s390_ax_pseudo_register_collect
);
7019 set_gdbarch_ax_pseudo_register_push_stack
7020 (gdbarch
, s390_ax_pseudo_register_push_stack
);
7021 set_gdbarch_gen_return_address (gdbarch
, s390_gen_return_address
);
7023 /* Inferior function calls. */
7024 set_gdbarch_push_dummy_call (gdbarch
, s390_push_dummy_call
);
7025 set_gdbarch_dummy_id (gdbarch
, s390_dummy_id
);
7026 set_gdbarch_frame_align (gdbarch
, s390_frame_align
);
7027 set_gdbarch_return_value (gdbarch
, s390_return_value
);
7029 /* Frame handling. */
7030 /* Stack grows downward. */
7031 set_gdbarch_inner_than (gdbarch
, core_addr_lessthan
);
7032 set_gdbarch_stack_frame_destroyed_p (gdbarch
, s390_stack_frame_destroyed_p
);
7033 dwarf2_frame_set_init_reg (gdbarch
, s390_dwarf2_frame_init_reg
);
7034 dwarf2_frame_set_adjust_regnum (gdbarch
, s390_adjust_frame_regnum
);
7035 dwarf2_append_unwinders (gdbarch
);
7036 set_gdbarch_unwind_pc (gdbarch
, s390_unwind_pc
);
7037 set_gdbarch_unwind_sp (gdbarch
, s390_unwind_sp
);
7039 switch (info
.bfd_arch_info
->mach
)
7041 case bfd_mach_s390_31
:
7042 set_gdbarch_addr_bits_remove (gdbarch
, s390_addr_bits_remove
);
7045 case bfd_mach_s390_64
:
7046 set_gdbarch_long_bit (gdbarch
, 64);
7047 set_gdbarch_long_long_bit (gdbarch
, 64);
7048 set_gdbarch_ptr_bit (gdbarch
, 64);
7049 set_gdbarch_address_class_type_flags (gdbarch
,
7050 s390_address_class_type_flags
);
7051 set_gdbarch_address_class_type_flags_to_name (gdbarch
,
7052 s390_address_class_type_flags_to_name
);
7053 set_gdbarch_address_class_name_to_type_flags (gdbarch
,
7054 s390_address_class_name_to_type_flags
);
7058 /* SystemTap functions. */
7059 set_gdbarch_stap_register_prefixes (gdbarch
, stap_register_prefixes
);
7060 set_gdbarch_stap_register_indirection_prefixes (gdbarch
,
7061 stap_register_indirection_prefixes
);
7062 set_gdbarch_stap_register_indirection_suffixes (gdbarch
,
7063 stap_register_indirection_suffixes
);
7065 set_gdbarch_disassembler_options (gdbarch
, &s390_disassembler_options
);
7066 set_gdbarch_valid_disassembler_options (gdbarch
,
7067 disassembler_options_s390 ());
7069 /* Process record-replay */
7070 set_gdbarch_process_record (gdbarch
, s390_process_record
);
7072 /* Miscellaneous. */
7073 set_gdbarch_stap_is_single_operand (gdbarch
, s390_stap_is_single_operand
);
7074 set_gdbarch_gcc_target_options (gdbarch
, s390_gcc_target_options
);
7075 set_gdbarch_gnu_triplet_regexp (gdbarch
, s390_gnu_triplet_regexp
);
7077 /* Initialize the OSABI. */
7078 gdbarch_init_osabi (info
, gdbarch
);
7080 /* Always create a default tdesc. Otherwise commands like 'set osabi'
7081 cause GDB to crash with an internal error when the user tries to set
7082 an unsupported OSABI. */
7083 if (!tdesc_has_registers (tdesc
))
7085 if (info
.bfd_arch_info
->mach
== bfd_mach_s390_31
)
7086 tdesc
= tdesc_s390_linux32
;
7088 tdesc
= tdesc_s390x_linux64
;
7090 tdep
->tdesc
= tdesc
;
7092 /* Check any target description for validity. */
7093 if (!s390_tdesc_valid (tdep
, tdesc_data
))
7095 tdesc_data_cleanup (tdesc_data
);
7097 gdbarch_free (gdbarch
);
7101 /* Determine vector ABI. */
7104 && info
.abfd
!= NULL
7105 && info
.abfd
->format
== bfd_object
7106 && bfd_get_flavour (info
.abfd
) == bfd_target_elf_flavour
7107 && bfd_elf_get_obj_attr_int (info
.abfd
, OBJ_ATTR_GNU
,
7108 Tag_GNU_S390_ABI_Vector
) == 2)
7109 tdep
->vector_abi
= S390_VECTOR_ABI_128
;
7112 /* Find a candidate among extant architectures. */
7113 for (arches
= gdbarch_list_lookup_by_info (arches
, &info
);
7115 arches
= gdbarch_list_lookup_by_info (arches
->next
, &info
))
7117 struct gdbarch_tdep
*tmp
= gdbarch_tdep (arches
->gdbarch
);
7120 /* A program can 'choose' not to use the vector registers when they
7121 are present. Leading to the same tdesc but different tdep and
7122 thereby a different gdbarch. */
7123 if (tmp
->vector_abi
!= tdep
->vector_abi
)
7126 tdesc_data_cleanup (tdesc_data
);
7128 gdbarch_free (gdbarch
);
7129 return arches
->gdbarch
;
7132 tdesc_use_registers (gdbarch
, tdep
->tdesc
, tdesc_data
);
7133 set_gdbarch_register_name (gdbarch
, s390_register_name
);
7135 /* Assign pseudo register numbers. */
7136 first_pseudo_reg
= gdbarch_num_regs (gdbarch
);
7137 last_pseudo_reg
= first_pseudo_reg
;
7138 if (tdep
->have_upper
)
7140 tdep
->gpr_full_regnum
= last_pseudo_reg
;
7141 last_pseudo_reg
+= 16;
7145 tdep
->v0_full_regnum
= last_pseudo_reg
;
7146 last_pseudo_reg
+= 16;
7148 tdep
->pc_regnum
= last_pseudo_reg
++;
7149 tdep
->cc_regnum
= last_pseudo_reg
++;
7150 set_gdbarch_pc_regnum (gdbarch
, tdep
->pc_regnum
);
7151 set_gdbarch_num_pseudo_regs (gdbarch
, last_pseudo_reg
- first_pseudo_reg
);
7153 /* Frame handling. */
7154 frame_base_append_sniffer (gdbarch
, dwarf2_frame_base_sniffer
);
7155 frame_unwind_append_unwinder (gdbarch
, &s390_stub_frame_unwind
);
7156 frame_unwind_append_unwinder (gdbarch
, &s390_frame_unwind
);
7157 frame_base_set_default (gdbarch
, &s390_frame_base
);
7163 _initialize_s390_tdep (void)
7165 /* Hook us into the gdbarch mechanism. */
7166 register_gdbarch_init (bfd_arch_s390
, s390_gdbarch_init
);
7168 initialize_tdesc_s390_linux32 ();
7169 initialize_tdesc_s390x_linux64 ();