1 /* Target-dependent code for UltraSPARC.
3 Copyright (C) 2003-2014 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/>. */
21 #include "arch-utils.h"
22 #include "dwarf2-frame.h"
23 #include "floatformat.h"
25 #include "frame-base.h"
26 #include "frame-unwind.h"
37 #include "gdb_assert.h"
40 #include "sparc64-tdep.h"
42 /* This file implements the SPARC 64-bit ABI as defined by the
43 section "Low-Level System Information" of the SPARC Compliance
44 Definition (SCD) 2.4.1, which is the 64-bit System V psABI for
47 /* Please use the sparc32_-prefix for 32-bit specific code, the
48 sparc64_-prefix for 64-bit specific code and the sparc_-prefix for
49 code can handle both. */
51 /* The functions on this page are intended to be used to classify
52 function arguments. */
54 /* Check whether TYPE is "Integral or Pointer". */
57 sparc64_integral_or_pointer_p (const struct type *type)
59 switch (TYPE_CODE (type))
67 int len = TYPE_LENGTH (type);
68 gdb_assert (len == 1 || len == 2 || len == 4 || len == 8);
74 int len = TYPE_LENGTH (type);
75 gdb_assert (len == 8);
85 /* Check whether TYPE is "Floating". */
88 sparc64_floating_p (const struct type *type)
90 switch (TYPE_CODE (type))
94 int len = TYPE_LENGTH (type);
95 gdb_assert (len == 4 || len == 8 || len == 16);
105 /* Check whether TYPE is "Complex Floating". */
108 sparc64_complex_floating_p (const struct type *type)
110 switch (TYPE_CODE (type))
112 case TYPE_CODE_COMPLEX:
114 int len = TYPE_LENGTH (type);
115 gdb_assert (len == 8 || len == 16 || len == 32);
125 /* Check whether TYPE is "Structure or Union".
127 In terms of Ada subprogram calls, arrays are treated the same as
128 struct and union types. So this function also returns non-zero
132 sparc64_structure_or_union_p (const struct type *type)
134 switch (TYPE_CODE (type))
136 case TYPE_CODE_STRUCT:
137 case TYPE_CODE_UNION:
138 case TYPE_CODE_ARRAY:
148 /* Construct types for ISA-specific registers. */
151 sparc64_pstate_type (struct gdbarch *gdbarch)
153 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
155 if (!tdep->sparc64_pstate_type)
159 type = arch_flags_type (gdbarch, "builtin_type_sparc64_pstate", 8);
160 append_flags_type_flag (type, 0, "AG");
161 append_flags_type_flag (type, 1, "IE");
162 append_flags_type_flag (type, 2, "PRIV");
163 append_flags_type_flag (type, 3, "AM");
164 append_flags_type_flag (type, 4, "PEF");
165 append_flags_type_flag (type, 5, "RED");
166 append_flags_type_flag (type, 8, "TLE");
167 append_flags_type_flag (type, 9, "CLE");
168 append_flags_type_flag (type, 10, "PID0");
169 append_flags_type_flag (type, 11, "PID1");
171 tdep->sparc64_pstate_type = type;
174 return tdep->sparc64_pstate_type;
178 sparc64_fsr_type (struct gdbarch *gdbarch)
180 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
182 if (!tdep->sparc64_fsr_type)
186 type = arch_flags_type (gdbarch, "builtin_type_sparc64_fsr", 8);
187 append_flags_type_flag (type, 0, "NXA");
188 append_flags_type_flag (type, 1, "DZA");
189 append_flags_type_flag (type, 2, "UFA");
190 append_flags_type_flag (type, 3, "OFA");
191 append_flags_type_flag (type, 4, "NVA");
192 append_flags_type_flag (type, 5, "NXC");
193 append_flags_type_flag (type, 6, "DZC");
194 append_flags_type_flag (type, 7, "UFC");
195 append_flags_type_flag (type, 8, "OFC");
196 append_flags_type_flag (type, 9, "NVC");
197 append_flags_type_flag (type, 22, "NS");
198 append_flags_type_flag (type, 23, "NXM");
199 append_flags_type_flag (type, 24, "DZM");
200 append_flags_type_flag (type, 25, "UFM");
201 append_flags_type_flag (type, 26, "OFM");
202 append_flags_type_flag (type, 27, "NVM");
204 tdep->sparc64_fsr_type = type;
207 return tdep->sparc64_fsr_type;
211 sparc64_fprs_type (struct gdbarch *gdbarch)
213 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
215 if (!tdep->sparc64_fprs_type)
219 type = arch_flags_type (gdbarch, "builtin_type_sparc64_fprs", 8);
220 append_flags_type_flag (type, 0, "DL");
221 append_flags_type_flag (type, 1, "DU");
222 append_flags_type_flag (type, 2, "FEF");
224 tdep->sparc64_fprs_type = type;
227 return tdep->sparc64_fprs_type;
231 /* Register information. */
233 static const char *sparc64_register_names[] =
235 "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
236 "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",
237 "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
238 "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",
240 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
241 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
242 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
243 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
244 "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
245 "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
249 /* FIXME: Give "state" a name until we start using register groups. */
256 /* Total number of registers. */
257 #define SPARC64_NUM_REGS ARRAY_SIZE (sparc64_register_names)
259 /* We provide the aliases %d0..%d62 and %q0..%q60 for the floating
260 registers as "psuedo" registers. */
262 static const char *sparc64_pseudo_register_names[] =
264 "cwp", "pstate", "asi", "ccr",
266 "d0", "d2", "d4", "d6", "d8", "d10", "d12", "d14",
267 "d16", "d18", "d20", "d22", "d24", "d26", "d28", "d30",
268 "d32", "d34", "d36", "d38", "d40", "d42", "d44", "d46",
269 "d48", "d50", "d52", "d54", "d56", "d58", "d60", "d62",
271 "q0", "q4", "q8", "q12", "q16", "q20", "q24", "q28",
272 "q32", "q36", "q40", "q44", "q48", "q52", "q56", "q60",
275 /* Total number of pseudo registers. */
276 #define SPARC64_NUM_PSEUDO_REGS ARRAY_SIZE (sparc64_pseudo_register_names)
278 /* Return the name of register REGNUM. */
281 sparc64_register_name (struct gdbarch *gdbarch, int regnum)
283 if (regnum >= 0 && regnum < SPARC64_NUM_REGS)
284 return sparc64_register_names[regnum];
286 if (regnum >= SPARC64_NUM_REGS
287 && regnum < SPARC64_NUM_REGS + SPARC64_NUM_PSEUDO_REGS)
288 return sparc64_pseudo_register_names[regnum - SPARC64_NUM_REGS];
293 /* Return the GDB type object for the "standard" data type of data in
297 sparc64_register_type (struct gdbarch *gdbarch, int regnum)
301 if (regnum == SPARC_SP_REGNUM || regnum == SPARC_FP_REGNUM)
302 return builtin_type (gdbarch)->builtin_data_ptr;
303 if (regnum >= SPARC_G0_REGNUM && regnum <= SPARC_I7_REGNUM)
304 return builtin_type (gdbarch)->builtin_int64;
305 if (regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
306 return builtin_type (gdbarch)->builtin_float;
307 if (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM)
308 return builtin_type (gdbarch)->builtin_double;
309 if (regnum == SPARC64_PC_REGNUM || regnum == SPARC64_NPC_REGNUM)
310 return builtin_type (gdbarch)->builtin_func_ptr;
311 /* This raw register contains the contents of %cwp, %pstate, %asi
312 and %ccr as laid out in a %tstate register. */
313 if (regnum == SPARC64_STATE_REGNUM)
314 return builtin_type (gdbarch)->builtin_int64;
315 if (regnum == SPARC64_FSR_REGNUM)
316 return sparc64_fsr_type (gdbarch);
317 if (regnum == SPARC64_FPRS_REGNUM)
318 return sparc64_fprs_type (gdbarch);
319 /* "Although Y is a 64-bit register, its high-order 32 bits are
320 reserved and always read as 0." */
321 if (regnum == SPARC64_Y_REGNUM)
322 return builtin_type (gdbarch)->builtin_int64;
324 /* Pseudo registers. */
326 if (regnum == SPARC64_CWP_REGNUM)
327 return builtin_type (gdbarch)->builtin_int64;
328 if (regnum == SPARC64_PSTATE_REGNUM)
329 return sparc64_pstate_type (gdbarch);
330 if (regnum == SPARC64_ASI_REGNUM)
331 return builtin_type (gdbarch)->builtin_int64;
332 if (regnum == SPARC64_CCR_REGNUM)
333 return builtin_type (gdbarch)->builtin_int64;
334 if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D62_REGNUM)
335 return builtin_type (gdbarch)->builtin_double;
336 if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q60_REGNUM)
337 return builtin_type (gdbarch)->builtin_long_double;
339 internal_error (__FILE__, __LINE__, _("invalid regnum"));
342 static enum register_status
343 sparc64_pseudo_register_read (struct gdbarch *gdbarch,
344 struct regcache *regcache,
345 int regnum, gdb_byte *buf)
347 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
348 enum register_status status;
350 gdb_assert (regnum >= SPARC64_NUM_REGS);
352 if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D30_REGNUM)
354 regnum = SPARC_F0_REGNUM + 2 * (regnum - SPARC64_D0_REGNUM);
355 status = regcache_raw_read (regcache, regnum, buf);
356 if (status == REG_VALID)
357 status = regcache_raw_read (regcache, regnum + 1, buf + 4);
360 else if (regnum >= SPARC64_D32_REGNUM && regnum <= SPARC64_D62_REGNUM)
362 regnum = SPARC64_F32_REGNUM + (regnum - SPARC64_D32_REGNUM);
363 return regcache_raw_read (regcache, regnum, buf);
365 else if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q28_REGNUM)
367 regnum = SPARC_F0_REGNUM + 4 * (regnum - SPARC64_Q0_REGNUM);
369 status = regcache_raw_read (regcache, regnum, buf);
370 if (status == REG_VALID)
371 status = regcache_raw_read (regcache, regnum + 1, buf + 4);
372 if (status == REG_VALID)
373 status = regcache_raw_read (regcache, regnum + 2, buf + 8);
374 if (status == REG_VALID)
375 status = regcache_raw_read (regcache, regnum + 3, buf + 12);
379 else if (regnum >= SPARC64_Q32_REGNUM && regnum <= SPARC64_Q60_REGNUM)
381 regnum = SPARC64_F32_REGNUM + 2 * (regnum - SPARC64_Q32_REGNUM);
383 status = regcache_raw_read (regcache, regnum, buf);
384 if (status == REG_VALID)
385 status = regcache_raw_read (regcache, regnum + 1, buf + 8);
389 else if (regnum == SPARC64_CWP_REGNUM
390 || regnum == SPARC64_PSTATE_REGNUM
391 || regnum == SPARC64_ASI_REGNUM
392 || regnum == SPARC64_CCR_REGNUM)
396 status = regcache_raw_read_unsigned (regcache, SPARC64_STATE_REGNUM, &state);
397 if (status != REG_VALID)
402 case SPARC64_CWP_REGNUM:
403 state = (state >> 0) & ((1 << 5) - 1);
405 case SPARC64_PSTATE_REGNUM:
406 state = (state >> 8) & ((1 << 12) - 1);
408 case SPARC64_ASI_REGNUM:
409 state = (state >> 24) & ((1 << 8) - 1);
411 case SPARC64_CCR_REGNUM:
412 state = (state >> 32) & ((1 << 8) - 1);
415 store_unsigned_integer (buf, 8, byte_order, state);
422 sparc64_pseudo_register_write (struct gdbarch *gdbarch,
423 struct regcache *regcache,
424 int regnum, const gdb_byte *buf)
426 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
427 gdb_assert (regnum >= SPARC64_NUM_REGS);
429 if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D30_REGNUM)
431 regnum = SPARC_F0_REGNUM + 2 * (regnum - SPARC64_D0_REGNUM);
432 regcache_raw_write (regcache, regnum, buf);
433 regcache_raw_write (regcache, regnum + 1, buf + 4);
435 else if (regnum >= SPARC64_D32_REGNUM && regnum <= SPARC64_D62_REGNUM)
437 regnum = SPARC64_F32_REGNUM + (regnum - SPARC64_D32_REGNUM);
438 regcache_raw_write (regcache, regnum, buf);
440 else if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q28_REGNUM)
442 regnum = SPARC_F0_REGNUM + 4 * (regnum - SPARC64_Q0_REGNUM);
443 regcache_raw_write (regcache, regnum, buf);
444 regcache_raw_write (regcache, regnum + 1, buf + 4);
445 regcache_raw_write (regcache, regnum + 2, buf + 8);
446 regcache_raw_write (regcache, regnum + 3, buf + 12);
448 else if (regnum >= SPARC64_Q32_REGNUM && regnum <= SPARC64_Q60_REGNUM)
450 regnum = SPARC64_F32_REGNUM + 2 * (regnum - SPARC64_Q32_REGNUM);
451 regcache_raw_write (regcache, regnum, buf);
452 regcache_raw_write (regcache, regnum + 1, buf + 8);
454 else if (regnum == SPARC64_CWP_REGNUM
455 || regnum == SPARC64_PSTATE_REGNUM
456 || regnum == SPARC64_ASI_REGNUM
457 || regnum == SPARC64_CCR_REGNUM)
459 ULONGEST state, bits;
461 regcache_raw_read_unsigned (regcache, SPARC64_STATE_REGNUM, &state);
462 bits = extract_unsigned_integer (buf, 8, byte_order);
465 case SPARC64_CWP_REGNUM:
466 state |= ((bits & ((1 << 5) - 1)) << 0);
468 case SPARC64_PSTATE_REGNUM:
469 state |= ((bits & ((1 << 12) - 1)) << 8);
471 case SPARC64_ASI_REGNUM:
472 state |= ((bits & ((1 << 8) - 1)) << 24);
474 case SPARC64_CCR_REGNUM:
475 state |= ((bits & ((1 << 8) - 1)) << 32);
478 regcache_raw_write_unsigned (regcache, SPARC64_STATE_REGNUM, state);
483 /* Return PC of first real instruction of the function starting at
487 sparc64_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
489 struct symtab_and_line sal;
490 CORE_ADDR func_start, func_end;
491 struct sparc_frame_cache cache;
493 /* This is the preferred method, find the end of the prologue by
494 using the debugging information. */
495 if (find_pc_partial_function (start_pc, NULL, &func_start, &func_end))
497 sal = find_pc_line (func_start, 0);
499 if (sal.end < func_end
500 && start_pc <= sal.end)
504 return sparc_analyze_prologue (gdbarch, start_pc, 0xffffffffffffffffULL,
510 static struct sparc_frame_cache *
511 sparc64_frame_cache (struct frame_info *this_frame, void **this_cache)
513 return sparc_frame_cache (this_frame, this_cache);
517 sparc64_frame_this_id (struct frame_info *this_frame, void **this_cache,
518 struct frame_id *this_id)
520 struct sparc_frame_cache *cache =
521 sparc64_frame_cache (this_frame, this_cache);
523 /* This marks the outermost frame. */
524 if (cache->base == 0)
527 (*this_id) = frame_id_build (cache->base, cache->pc);
530 static struct value *
531 sparc64_frame_prev_register (struct frame_info *this_frame, void **this_cache,
534 struct gdbarch *gdbarch = get_frame_arch (this_frame);
535 struct sparc_frame_cache *cache =
536 sparc64_frame_cache (this_frame, this_cache);
538 if (regnum == SPARC64_PC_REGNUM || regnum == SPARC64_NPC_REGNUM)
540 CORE_ADDR pc = (regnum == SPARC64_NPC_REGNUM) ? 4 : 0;
543 (cache->copied_regs_mask & 0x80) ? SPARC_I7_REGNUM : SPARC_O7_REGNUM;
544 pc += get_frame_register_unsigned (this_frame, regnum) + 8;
545 return frame_unwind_got_constant (this_frame, regnum, pc);
548 /* Handle StackGhost. */
550 ULONGEST wcookie = sparc_fetch_wcookie (gdbarch);
552 if (wcookie != 0 && !cache->frameless_p && regnum == SPARC_I7_REGNUM)
554 CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
557 /* Read the value in from memory. */
558 i7 = get_frame_memory_unsigned (this_frame, addr, 8);
559 return frame_unwind_got_constant (this_frame, regnum, i7 ^ wcookie);
563 /* The previous frame's `local' and `in' registers may have been saved
564 in the register save area. */
565 if (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM
566 && (cache->saved_regs_mask & (1 << (regnum - SPARC_L0_REGNUM))))
568 CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
570 return frame_unwind_got_memory (this_frame, regnum, addr);
573 /* The previous frame's `out' registers may be accessible as the current
574 frame's `in' registers. */
575 if (regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM
576 && (cache->copied_regs_mask & (1 << (regnum - SPARC_O0_REGNUM))))
577 regnum += (SPARC_I0_REGNUM - SPARC_O0_REGNUM);
579 return frame_unwind_got_register (this_frame, regnum, regnum);
582 static const struct frame_unwind sparc64_frame_unwind =
585 default_frame_unwind_stop_reason,
586 sparc64_frame_this_id,
587 sparc64_frame_prev_register,
589 default_frame_sniffer
594 sparc64_frame_base_address (struct frame_info *this_frame, void **this_cache)
596 struct sparc_frame_cache *cache =
597 sparc64_frame_cache (this_frame, this_cache);
602 static const struct frame_base sparc64_frame_base =
604 &sparc64_frame_unwind,
605 sparc64_frame_base_address,
606 sparc64_frame_base_address,
607 sparc64_frame_base_address
610 /* Check whether TYPE must be 16-byte aligned. */
613 sparc64_16_byte_align_p (struct type *type)
615 if (sparc64_floating_p (type) && TYPE_LENGTH (type) == 16)
618 if (sparc64_structure_or_union_p (type))
622 for (i = 0; i < TYPE_NFIELDS (type); i++)
624 struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, i));
626 if (sparc64_16_byte_align_p (subtype))
634 /* Store floating fields of element ELEMENT of an "parameter array"
635 that has type TYPE and is stored at BITPOS in VALBUF in the
636 apropriate registers of REGCACHE. This function can be called
637 recursively and therefore handles floating types in addition to
641 sparc64_store_floating_fields (struct regcache *regcache, struct type *type,
642 const gdb_byte *valbuf, int element, int bitpos)
644 int len = TYPE_LENGTH (type);
646 gdb_assert (element < 16);
648 if (sparc64_floating_p (type)
649 || (sparc64_complex_floating_p (type) && len <= 16))
655 gdb_assert (bitpos == 0);
656 gdb_assert ((element % 2) == 0);
658 regnum = SPARC64_Q0_REGNUM + element / 2;
659 regcache_cooked_write (regcache, regnum, valbuf);
663 gdb_assert (bitpos == 0 || bitpos == 64);
665 regnum = SPARC64_D0_REGNUM + element + bitpos / 64;
666 regcache_cooked_write (regcache, regnum, valbuf + (bitpos / 8));
670 gdb_assert (len == 4);
671 gdb_assert (bitpos % 32 == 0 && bitpos >= 0 && bitpos < 128);
673 regnum = SPARC_F0_REGNUM + element * 2 + bitpos / 32;
674 regcache_cooked_write (regcache, regnum, valbuf + (bitpos / 8));
677 else if (sparc64_structure_or_union_p (type))
681 for (i = 0; i < TYPE_NFIELDS (type); i++)
683 struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, i));
684 int subpos = bitpos + TYPE_FIELD_BITPOS (type, i);
686 sparc64_store_floating_fields (regcache, subtype, valbuf,
690 /* GCC has an interesting bug. If TYPE is a structure that has
691 a single `float' member, GCC doesn't treat it as a structure
692 at all, but rather as an ordinary `float' argument. This
693 argument will be stored in %f1, as required by the psABI.
694 However, as a member of a structure the psABI requires it to
695 be stored in %f0. This bug is present in GCC 3.3.2, but
696 probably in older releases to. To appease GCC, if a
697 structure has only a single `float' member, we store its
698 value in %f1 too (we already have stored in %f0). */
699 if (TYPE_NFIELDS (type) == 1)
701 struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, 0));
703 if (sparc64_floating_p (subtype) && TYPE_LENGTH (subtype) == 4)
704 regcache_cooked_write (regcache, SPARC_F1_REGNUM, valbuf);
709 /* Fetch floating fields from a variable of type TYPE from the
710 appropriate registers for BITPOS in REGCACHE and store it at BITPOS
711 in VALBUF. This function can be called recursively and therefore
712 handles floating types in addition to structures. */
715 sparc64_extract_floating_fields (struct regcache *regcache, struct type *type,
716 gdb_byte *valbuf, int bitpos)
718 if (sparc64_floating_p (type))
720 int len = TYPE_LENGTH (type);
725 gdb_assert (bitpos == 0 || bitpos == 128);
727 regnum = SPARC64_Q0_REGNUM + bitpos / 128;
728 regcache_cooked_read (regcache, regnum, valbuf + (bitpos / 8));
732 gdb_assert (bitpos % 64 == 0 && bitpos >= 0 && bitpos < 256);
734 regnum = SPARC64_D0_REGNUM + bitpos / 64;
735 regcache_cooked_read (regcache, regnum, valbuf + (bitpos / 8));
739 gdb_assert (len == 4);
740 gdb_assert (bitpos % 32 == 0 && bitpos >= 0 && bitpos < 256);
742 regnum = SPARC_F0_REGNUM + bitpos / 32;
743 regcache_cooked_read (regcache, regnum, valbuf + (bitpos / 8));
746 else if (sparc64_structure_or_union_p (type))
750 for (i = 0; i < TYPE_NFIELDS (type); i++)
752 struct type *subtype = check_typedef (TYPE_FIELD_TYPE (type, i));
753 int subpos = bitpos + TYPE_FIELD_BITPOS (type, i);
755 sparc64_extract_floating_fields (regcache, subtype, valbuf, subpos);
760 /* Store the NARGS arguments ARGS and STRUCT_ADDR (if STRUCT_RETURN is
761 non-zero) in REGCACHE and on the stack (starting from address SP). */
764 sparc64_store_arguments (struct regcache *regcache, int nargs,
765 struct value **args, CORE_ADDR sp,
766 int struct_return, CORE_ADDR struct_addr)
768 struct gdbarch *gdbarch = get_regcache_arch (regcache);
769 /* Number of extended words in the "parameter array". */
770 int num_elements = 0;
774 /* Take BIAS into account. */
777 /* First we calculate the number of extended words in the "parameter
778 array". While doing so we also convert some of the arguments. */
783 for (i = 0; i < nargs; i++)
785 struct type *type = value_type (args[i]);
786 int len = TYPE_LENGTH (type);
788 if (sparc64_structure_or_union_p (type)
789 || (sparc64_complex_floating_p (type) && len == 32))
791 /* Structure or Union arguments. */
794 if (num_elements % 2 && sparc64_16_byte_align_p (type))
796 num_elements += ((len + 7) / 8);
800 /* The psABI says that "Structures or unions larger than
801 sixteen bytes are copied by the caller and passed
802 indirectly; the caller will pass the address of a
803 correctly aligned structure value. This sixty-four
804 bit address will occupy one word in the parameter
805 array, and may be promoted to an %o register like any
806 other pointer value." Allocate memory for these
807 values on the stack. */
810 /* Use 16-byte alignment for these values. That's
811 always correct, and wasting a few bytes shouldn't be
815 write_memory (sp, value_contents (args[i]), len);
816 args[i] = value_from_pointer (lookup_pointer_type (type), sp);
820 else if (sparc64_floating_p (type) || sparc64_complex_floating_p (type))
822 /* Floating arguments. */
825 /* The psABI says that "Each quad-precision parameter
826 value will be assigned to two extended words in the
830 /* The psABI says that "Long doubles must be
831 quad-aligned, and thus a hole might be introduced
832 into the parameter array to force alignment." Skip
833 an element if necessary. */
834 if ((num_elements % 2) && sparc64_16_byte_align_p (type))
842 /* Integral and pointer arguments. */
843 gdb_assert (sparc64_integral_or_pointer_p (type));
845 /* The psABI says that "Each argument value of integral type
846 smaller than an extended word will be widened by the
847 caller to an extended word according to the signed-ness
848 of the argument type." */
850 args[i] = value_cast (builtin_type (gdbarch)->builtin_int64,
856 /* Allocate the "parameter array". */
857 sp -= num_elements * 8;
859 /* The psABI says that "Every stack frame must be 16-byte aligned." */
862 /* Now we store the arguments in to the "paramater array". Some
863 Integer or Pointer arguments and Structure or Union arguments
864 will be passed in %o registers. Some Floating arguments and
865 floating members of structures are passed in floating-point
866 registers. However, for functions with variable arguments,
867 floating arguments are stored in an %0 register, and for
868 functions without a prototype floating arguments are stored in
869 both a floating-point and an %o registers, or a floating-point
870 register and memory. To simplify the logic here we always pass
871 arguments in memory, an %o register, and a floating-point
872 register if appropriate. This should be no problem since the
873 contents of any unused memory or registers in the "parameter
874 array" are undefined. */
878 regcache_cooked_write_unsigned (regcache, SPARC_O0_REGNUM, struct_addr);
882 for (i = 0; i < nargs; i++)
884 const gdb_byte *valbuf = value_contents (args[i]);
885 struct type *type = value_type (args[i]);
886 int len = TYPE_LENGTH (type);
890 if (sparc64_structure_or_union_p (type)
891 || (sparc64_complex_floating_p (type) && len == 32))
893 /* Structure, Union or long double Complex arguments. */
894 gdb_assert (len <= 16);
895 memset (buf, 0, sizeof (buf));
896 valbuf = memcpy (buf, valbuf, len);
898 if (element % 2 && sparc64_16_byte_align_p (type))
903 regnum = SPARC_O0_REGNUM + element;
904 if (len > 8 && element < 5)
905 regcache_cooked_write (regcache, regnum + 1, valbuf + 8);
909 sparc64_store_floating_fields (regcache, type, valbuf, element, 0);
911 else if (sparc64_complex_floating_p (type))
913 /* Float Complex or double Complex arguments. */
916 regnum = SPARC64_D0_REGNUM + element;
920 if (regnum < SPARC64_D30_REGNUM)
921 regcache_cooked_write (regcache, regnum + 1, valbuf + 8);
922 if (regnum < SPARC64_D10_REGNUM)
923 regcache_cooked_write (regcache,
924 SPARC_O0_REGNUM + element + 1,
929 else if (sparc64_floating_p (type))
931 /* Floating arguments. */
937 regnum = SPARC64_Q0_REGNUM + element / 2;
942 regnum = SPARC64_D0_REGNUM + element;
946 /* The psABI says "Each single-precision parameter value
947 will be assigned to one extended word in the
948 parameter array, and right-justified within that
949 word; the left half (even float register) is
950 undefined." Even though the psABI says that "the
951 left half is undefined", set it to zero here. */
953 memcpy (buf + 4, valbuf, 4);
957 regnum = SPARC64_D0_REGNUM + element;
962 /* Integral and pointer arguments. */
963 gdb_assert (len == 8);
965 regnum = SPARC_O0_REGNUM + element;
970 regcache_cooked_write (regcache, regnum, valbuf);
972 /* If we're storing the value in a floating-point register,
973 also store it in the corresponding %0 register(s). */
974 if (regnum >= SPARC64_D0_REGNUM && regnum <= SPARC64_D10_REGNUM)
976 gdb_assert (element < 6);
977 regnum = SPARC_O0_REGNUM + element;
978 regcache_cooked_write (regcache, regnum, valbuf);
980 else if (regnum >= SPARC64_Q0_REGNUM && regnum <= SPARC64_Q8_REGNUM)
982 gdb_assert (element < 5);
983 regnum = SPARC_O0_REGNUM + element;
984 regcache_cooked_write (regcache, regnum, valbuf);
985 regcache_cooked_write (regcache, regnum + 1, valbuf + 8);
989 /* Always store the argument in memory. */
990 write_memory (sp + element * 8, valbuf, len);
991 element += ((len + 7) / 8);
994 gdb_assert (element == num_elements);
996 /* Take BIAS into account. */
1002 sparc64_frame_align (struct gdbarch *gdbarch, CORE_ADDR address)
1004 /* The ABI requires 16-byte alignment. */
1005 return address & ~0xf;
1009 sparc64_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
1010 struct regcache *regcache, CORE_ADDR bp_addr,
1011 int nargs, struct value **args, CORE_ADDR sp,
1012 int struct_return, CORE_ADDR struct_addr)
1014 /* Set return address. */
1015 regcache_cooked_write_unsigned (regcache, SPARC_O7_REGNUM, bp_addr - 8);
1017 /* Set up function arguments. */
1018 sp = sparc64_store_arguments (regcache, nargs, args, sp,
1019 struct_return, struct_addr);
1021 /* Allocate the register save area. */
1024 /* Stack should be 16-byte aligned at this point. */
1025 gdb_assert ((sp + BIAS) % 16 == 0);
1027 /* Finally, update the stack pointer. */
1028 regcache_cooked_write_unsigned (regcache, SPARC_SP_REGNUM, sp);
1034 /* Extract from an array REGBUF containing the (raw) register state, a
1035 function return value of TYPE, and copy that into VALBUF. */
1038 sparc64_extract_return_value (struct type *type, struct regcache *regcache,
1041 int len = TYPE_LENGTH (type);
1045 if (sparc64_structure_or_union_p (type))
1047 /* Structure or Union return values. */
1048 gdb_assert (len <= 32);
1050 for (i = 0; i < ((len + 7) / 8); i++)
1051 regcache_cooked_read (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
1052 if (TYPE_CODE (type) != TYPE_CODE_UNION)
1053 sparc64_extract_floating_fields (regcache, type, buf, 0);
1054 memcpy (valbuf, buf, len);
1056 else if (sparc64_floating_p (type) || sparc64_complex_floating_p (type))
1058 /* Floating return values. */
1059 for (i = 0; i < len / 4; i++)
1060 regcache_cooked_read (regcache, SPARC_F0_REGNUM + i, buf + i * 4);
1061 memcpy (valbuf, buf, len);
1063 else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
1065 /* Small arrays are returned the same way as small structures. */
1066 gdb_assert (len <= 32);
1068 for (i = 0; i < ((len + 7) / 8); i++)
1069 regcache_cooked_read (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
1070 memcpy (valbuf, buf, len);
1074 /* Integral and pointer return values. */
1075 gdb_assert (sparc64_integral_or_pointer_p (type));
1077 /* Just stripping off any unused bytes should preserve the
1078 signed-ness just fine. */
1079 regcache_cooked_read (regcache, SPARC_O0_REGNUM, buf);
1080 memcpy (valbuf, buf + 8 - len, len);
1084 /* Write into the appropriate registers a function return value stored
1085 in VALBUF of type TYPE. */
1088 sparc64_store_return_value (struct type *type, struct regcache *regcache,
1089 const gdb_byte *valbuf)
1091 int len = TYPE_LENGTH (type);
1095 if (sparc64_structure_or_union_p (type))
1097 /* Structure or Union return values. */
1098 gdb_assert (len <= 32);
1100 /* Simplify matters by storing the complete value (including
1101 floating members) into %o0 and %o1. Floating members are
1102 also store in the appropriate floating-point registers. */
1103 memset (buf, 0, sizeof (buf));
1104 memcpy (buf, valbuf, len);
1105 for (i = 0; i < ((len + 7) / 8); i++)
1106 regcache_cooked_write (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
1107 if (TYPE_CODE (type) != TYPE_CODE_UNION)
1108 sparc64_store_floating_fields (regcache, type, buf, 0, 0);
1110 else if (sparc64_floating_p (type) || sparc64_complex_floating_p (type))
1112 /* Floating return values. */
1113 memcpy (buf, valbuf, len);
1114 for (i = 0; i < len / 4; i++)
1115 regcache_cooked_write (regcache, SPARC_F0_REGNUM + i, buf + i * 4);
1117 else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
1119 /* Small arrays are returned the same way as small structures. */
1120 gdb_assert (len <= 32);
1122 memset (buf, 0, sizeof (buf));
1123 memcpy (buf, valbuf, len);
1124 for (i = 0; i < ((len + 7) / 8); i++)
1125 regcache_cooked_write (regcache, SPARC_O0_REGNUM + i, buf + i * 8);
1129 /* Integral and pointer return values. */
1130 gdb_assert (sparc64_integral_or_pointer_p (type));
1132 /* ??? Do we need to do any sign-extension here? */
1134 memcpy (buf + 8 - len, valbuf, len);
1135 regcache_cooked_write (regcache, SPARC_O0_REGNUM, buf);
1139 static enum return_value_convention
1140 sparc64_return_value (struct gdbarch *gdbarch, struct value *function,
1141 struct type *type, struct regcache *regcache,
1142 gdb_byte *readbuf, const gdb_byte *writebuf)
1144 if (TYPE_LENGTH (type) > 32)
1145 return RETURN_VALUE_STRUCT_CONVENTION;
1148 sparc64_extract_return_value (type, regcache, readbuf);
1150 sparc64_store_return_value (type, regcache, writebuf);
1152 return RETURN_VALUE_REGISTER_CONVENTION;
1157 sparc64_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
1158 struct dwarf2_frame_state_reg *reg,
1159 struct frame_info *this_frame)
1163 case SPARC_G0_REGNUM:
1164 /* Since %g0 is always zero, there is no point in saving it, and
1165 people will be inclined omit it from the CFI. Make sure we
1166 don't warn about that. */
1167 reg->how = DWARF2_FRAME_REG_SAME_VALUE;
1169 case SPARC_SP_REGNUM:
1170 reg->how = DWARF2_FRAME_REG_CFA;
1172 case SPARC64_PC_REGNUM:
1173 reg->how = DWARF2_FRAME_REG_RA_OFFSET;
1174 reg->loc.offset = 8;
1176 case SPARC64_NPC_REGNUM:
1177 reg->how = DWARF2_FRAME_REG_RA_OFFSET;
1178 reg->loc.offset = 12;
1184 sparc64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1186 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1188 tdep->pc_regnum = SPARC64_PC_REGNUM;
1189 tdep->npc_regnum = SPARC64_NPC_REGNUM;
1191 /* This is what all the fuss is about. */
1192 set_gdbarch_long_bit (gdbarch, 64);
1193 set_gdbarch_long_long_bit (gdbarch, 64);
1194 set_gdbarch_ptr_bit (gdbarch, 64);
1196 set_gdbarch_num_regs (gdbarch, SPARC64_NUM_REGS);
1197 set_gdbarch_register_name (gdbarch, sparc64_register_name);
1198 set_gdbarch_register_type (gdbarch, sparc64_register_type);
1199 set_gdbarch_num_pseudo_regs (gdbarch, SPARC64_NUM_PSEUDO_REGS);
1200 set_gdbarch_pseudo_register_read (gdbarch, sparc64_pseudo_register_read);
1201 set_gdbarch_pseudo_register_write (gdbarch, sparc64_pseudo_register_write);
1203 /* Register numbers of various important registers. */
1204 set_gdbarch_pc_regnum (gdbarch, SPARC64_PC_REGNUM); /* %pc */
1206 /* Call dummy code. */
1207 set_gdbarch_frame_align (gdbarch, sparc64_frame_align);
1208 set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
1209 set_gdbarch_push_dummy_code (gdbarch, NULL);
1210 set_gdbarch_push_dummy_call (gdbarch, sparc64_push_dummy_call);
1212 set_gdbarch_return_value (gdbarch, sparc64_return_value);
1213 set_gdbarch_stabs_argument_has_addr
1214 (gdbarch, default_stabs_argument_has_addr);
1216 set_gdbarch_skip_prologue (gdbarch, sparc64_skip_prologue);
1217 set_gdbarch_in_function_epilogue_p (gdbarch, sparc_in_function_epilogue_p);
1219 /* Hook in the DWARF CFI frame unwinder. */
1220 dwarf2_frame_set_init_reg (gdbarch, sparc64_dwarf2_frame_init_reg);
1221 /* FIXME: kettenis/20050423: Don't enable the unwinder until the
1222 StackGhost issues have been resolved. */
1224 frame_unwind_append_unwinder (gdbarch, &sparc64_frame_unwind);
1225 frame_base_set_default (gdbarch, &sparc64_frame_base);
1229 /* Helper functions for dealing with register sets. */
1231 #define TSTATE_CWP 0x000000000000001fULL
1232 #define TSTATE_ICC 0x0000000f00000000ULL
1233 #define TSTATE_XCC 0x000000f000000000ULL
1235 #define PSR_S 0x00000080
1236 #define PSR_ICC 0x00f00000
1237 #define PSR_VERS 0x0f000000
1238 #define PSR_IMPL 0xf0000000
1239 #define PSR_V8PLUS 0xff000000
1240 #define PSR_XCC 0x000f0000
1243 sparc64_supply_gregset (const struct sparc_gregmap *gregmap,
1244 struct regcache *regcache,
1245 int regnum, const void *gregs)
1247 struct gdbarch *gdbarch = get_regcache_arch (regcache);
1248 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
1249 int sparc32 = (gdbarch_ptr_bit (gdbarch) == 32);
1250 const gdb_byte *regs = gregs;
1251 gdb_byte zero[8] = { 0 };
1256 if (regnum == SPARC32_PSR_REGNUM || regnum == -1)
1258 int offset = gregmap->r_tstate_offset;
1259 ULONGEST tstate, psr;
1262 tstate = extract_unsigned_integer (regs + offset, 8, byte_order);
1263 psr = ((tstate & TSTATE_CWP) | PSR_S | ((tstate & TSTATE_ICC) >> 12)
1264 | ((tstate & TSTATE_XCC) >> 20) | PSR_V8PLUS);
1265 store_unsigned_integer (buf, 4, byte_order, psr);
1266 regcache_raw_supply (regcache, SPARC32_PSR_REGNUM, buf);
1269 if (regnum == SPARC32_PC_REGNUM || regnum == -1)
1270 regcache_raw_supply (regcache, SPARC32_PC_REGNUM,
1271 regs + gregmap->r_pc_offset + 4);
1273 if (regnum == SPARC32_NPC_REGNUM || regnum == -1)
1274 regcache_raw_supply (regcache, SPARC32_NPC_REGNUM,
1275 regs + gregmap->r_npc_offset + 4);
1277 if (regnum == SPARC32_Y_REGNUM || regnum == -1)
1279 int offset = gregmap->r_y_offset + 8 - gregmap->r_y_size;
1280 regcache_raw_supply (regcache, SPARC32_Y_REGNUM, regs + offset);
1285 if (regnum == SPARC64_STATE_REGNUM || regnum == -1)
1286 regcache_raw_supply (regcache, SPARC64_STATE_REGNUM,
1287 regs + gregmap->r_tstate_offset);
1289 if (regnum == SPARC64_PC_REGNUM || regnum == -1)
1290 regcache_raw_supply (regcache, SPARC64_PC_REGNUM,
1291 regs + gregmap->r_pc_offset);
1293 if (regnum == SPARC64_NPC_REGNUM || regnum == -1)
1294 regcache_raw_supply (regcache, SPARC64_NPC_REGNUM,
1295 regs + gregmap->r_npc_offset);
1297 if (regnum == SPARC64_Y_REGNUM || regnum == -1)
1302 memcpy (buf + 8 - gregmap->r_y_size,
1303 regs + gregmap->r_y_offset, gregmap->r_y_size);
1304 regcache_raw_supply (regcache, SPARC64_Y_REGNUM, buf);
1307 if ((regnum == SPARC64_FPRS_REGNUM || regnum == -1)
1308 && gregmap->r_fprs_offset != -1)
1309 regcache_raw_supply (regcache, SPARC64_FPRS_REGNUM,
1310 regs + gregmap->r_fprs_offset);
1313 if (regnum == SPARC_G0_REGNUM || regnum == -1)
1314 regcache_raw_supply (regcache, SPARC_G0_REGNUM, &zero);
1316 if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_O7_REGNUM) || regnum == -1)
1318 int offset = gregmap->r_g1_offset;
1323 for (i = SPARC_G1_REGNUM; i <= SPARC_O7_REGNUM; i++)
1325 if (regnum == i || regnum == -1)
1326 regcache_raw_supply (regcache, i, regs + offset);
1331 if ((regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM) || regnum == -1)
1333 /* Not all of the register set variants include Locals and
1334 Inputs. For those that don't, we read them off the stack. */
1335 if (gregmap->r_l0_offset == -1)
1339 regcache_cooked_read_unsigned (regcache, SPARC_SP_REGNUM, &sp);
1340 sparc_supply_rwindow (regcache, sp, regnum);
1344 int offset = gregmap->r_l0_offset;
1349 for (i = SPARC_L0_REGNUM; i <= SPARC_I7_REGNUM; i++)
1351 if (regnum == i || regnum == -1)
1352 regcache_raw_supply (regcache, i, regs + offset);
1360 sparc64_collect_gregset (const struct sparc_gregmap *gregmap,
1361 const struct regcache *regcache,
1362 int regnum, void *gregs)
1364 struct gdbarch *gdbarch = get_regcache_arch (regcache);
1365 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
1366 int sparc32 = (gdbarch_ptr_bit (gdbarch) == 32);
1367 gdb_byte *regs = gregs;
1372 if (regnum == SPARC32_PSR_REGNUM || regnum == -1)
1374 int offset = gregmap->r_tstate_offset;
1375 ULONGEST tstate, psr;
1378 tstate = extract_unsigned_integer (regs + offset, 8, byte_order);
1379 regcache_raw_collect (regcache, SPARC32_PSR_REGNUM, buf);
1380 psr = extract_unsigned_integer (buf, 4, byte_order);
1381 tstate |= (psr & PSR_ICC) << 12;
1382 if ((psr & (PSR_VERS | PSR_IMPL)) == PSR_V8PLUS)
1383 tstate |= (psr & PSR_XCC) << 20;
1384 store_unsigned_integer (buf, 8, byte_order, tstate);
1385 memcpy (regs + offset, buf, 8);
1388 if (regnum == SPARC32_PC_REGNUM || regnum == -1)
1389 regcache_raw_collect (regcache, SPARC32_PC_REGNUM,
1390 regs + gregmap->r_pc_offset + 4);
1392 if (regnum == SPARC32_NPC_REGNUM || regnum == -1)
1393 regcache_raw_collect (regcache, SPARC32_NPC_REGNUM,
1394 regs + gregmap->r_npc_offset + 4);
1396 if (regnum == SPARC32_Y_REGNUM || regnum == -1)
1398 int offset = gregmap->r_y_offset + 8 - gregmap->r_y_size;
1399 regcache_raw_collect (regcache, SPARC32_Y_REGNUM, regs + offset);
1404 if (regnum == SPARC64_STATE_REGNUM || regnum == -1)
1405 regcache_raw_collect (regcache, SPARC64_STATE_REGNUM,
1406 regs + gregmap->r_tstate_offset);
1408 if (regnum == SPARC64_PC_REGNUM || regnum == -1)
1409 regcache_raw_collect (regcache, SPARC64_PC_REGNUM,
1410 regs + gregmap->r_pc_offset);
1412 if (regnum == SPARC64_NPC_REGNUM || regnum == -1)
1413 regcache_raw_collect (regcache, SPARC64_NPC_REGNUM,
1414 regs + gregmap->r_npc_offset);
1416 if (regnum == SPARC64_Y_REGNUM || regnum == -1)
1420 regcache_raw_collect (regcache, SPARC64_Y_REGNUM, buf);
1421 memcpy (regs + gregmap->r_y_offset,
1422 buf + 8 - gregmap->r_y_size, gregmap->r_y_size);
1425 if ((regnum == SPARC64_FPRS_REGNUM || regnum == -1)
1426 && gregmap->r_fprs_offset != -1)
1427 regcache_raw_collect (regcache, SPARC64_FPRS_REGNUM,
1428 regs + gregmap->r_fprs_offset);
1432 if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_O7_REGNUM) || regnum == -1)
1434 int offset = gregmap->r_g1_offset;
1439 /* %g0 is always zero. */
1440 for (i = SPARC_G1_REGNUM; i <= SPARC_O7_REGNUM; i++)
1442 if (regnum == i || regnum == -1)
1443 regcache_raw_collect (regcache, i, regs + offset);
1448 if ((regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM) || regnum == -1)
1450 /* Not all of the register set variants include Locals and
1451 Inputs. For those that don't, we read them off the stack. */
1452 if (gregmap->r_l0_offset != -1)
1454 int offset = gregmap->r_l0_offset;
1459 for (i = SPARC_L0_REGNUM; i <= SPARC_I7_REGNUM; i++)
1461 if (regnum == i || regnum == -1)
1462 regcache_raw_collect (regcache, i, regs + offset);
1470 sparc64_supply_fpregset (const struct sparc_fpregmap *fpregmap,
1471 struct regcache *regcache,
1472 int regnum, const void *fpregs)
1474 int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
1475 const gdb_byte *regs = fpregs;
1478 for (i = 0; i < 32; i++)
1480 if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
1481 regcache_raw_supply (regcache, SPARC_F0_REGNUM + i,
1482 regs + fpregmap->r_f0_offset + (i * 4));
1487 if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
1488 regcache_raw_supply (regcache, SPARC32_FSR_REGNUM,
1489 regs + fpregmap->r_fsr_offset);
1493 for (i = 0; i < 16; i++)
1495 if (regnum == (SPARC64_F32_REGNUM + i) || regnum == -1)
1496 regcache_raw_supply (regcache, SPARC64_F32_REGNUM + i,
1497 (regs + fpregmap->r_f0_offset
1498 + (32 * 4) + (i * 8)));
1501 if (regnum == SPARC64_FSR_REGNUM || regnum == -1)
1502 regcache_raw_supply (regcache, SPARC64_FSR_REGNUM,
1503 regs + fpregmap->r_fsr_offset);
1508 sparc64_collect_fpregset (const struct sparc_fpregmap *fpregmap,
1509 const struct regcache *regcache,
1510 int regnum, void *fpregs)
1512 int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
1513 gdb_byte *regs = fpregs;
1516 for (i = 0; i < 32; i++)
1518 if (regnum == (SPARC_F0_REGNUM + i) || regnum == -1)
1519 regcache_raw_collect (regcache, SPARC_F0_REGNUM + i,
1520 regs + fpregmap->r_f0_offset + (i * 4));
1525 if (regnum == SPARC32_FSR_REGNUM || regnum == -1)
1526 regcache_raw_collect (regcache, SPARC32_FSR_REGNUM,
1527 regs + fpregmap->r_fsr_offset);
1531 for (i = 0; i < 16; i++)
1533 if (regnum == (SPARC64_F32_REGNUM + i) || regnum == -1)
1534 regcache_raw_collect (regcache, SPARC64_F32_REGNUM + i,
1535 (regs + fpregmap->r_f0_offset
1536 + (32 * 4) + (i * 8)));
1539 if (regnum == SPARC64_FSR_REGNUM || regnum == -1)
1540 regcache_raw_collect (regcache, SPARC64_FSR_REGNUM,
1541 regs + fpregmap->r_fsr_offset);
1545 const struct sparc_fpregmap sparc64_bsd_fpregmap =