1 /* Target machine sub-parameters for SPARC, for GDB, the GNU debugger.
2 This is included by other tm-*.h files to define SPARC cpu-related info.
3 Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
4 1998, 1999, 2000, 2001, 2002, 2003
5 Free Software Foundation, Inc.
6 Contributed by Michael Tiemann (tiemann@mcc.com)
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
32 * The following enums are purely for the convenience of the GDB
33 * developer, when debugging GDB.
36 enum { /* Sparc general registers, for all sparc versions. */
37 G0_REGNUM, G1_REGNUM, G2_REGNUM, G3_REGNUM,
38 G4_REGNUM, G5_REGNUM, G6_REGNUM, G7_REGNUM,
39 O0_REGNUM, O1_REGNUM, O2_REGNUM, O3_REGNUM,
40 O4_REGNUM, O5_REGNUM, O6_REGNUM, O7_REGNUM,
41 L0_REGNUM, L1_REGNUM, L2_REGNUM, L3_REGNUM,
42 L4_REGNUM, L5_REGNUM, L6_REGNUM, L7_REGNUM,
43 I0_REGNUM, I1_REGNUM, I2_REGNUM, I3_REGNUM,
44 I4_REGNUM, I5_REGNUM, I6_REGNUM, I7_REGNUM,
45 FP0_REGNUM /* Floating point register 0 */
48 enum { /* Sparc general registers, alternate names. */
49 R0_REGNUM, R1_REGNUM, R2_REGNUM, R3_REGNUM,
50 R4_REGNUM, R5_REGNUM, R6_REGNUM, R7_REGNUM,
51 R8_REGNUM, R9_REGNUM, R10_REGNUM, R11_REGNUM,
52 R12_REGNUM, R13_REGNUM, R14_REGNUM, R15_REGNUM,
53 R16_REGNUM, R17_REGNUM, R18_REGNUM, R19_REGNUM,
54 R20_REGNUM, R21_REGNUM, R22_REGNUM, R23_REGNUM,
55 R24_REGNUM, R25_REGNUM, R26_REGNUM, R27_REGNUM,
56 R28_REGNUM, R29_REGNUM, R30_REGNUM, R31_REGNUM
59 enum { /* Sparc32 control registers. */
60 PS_REGNUM = 65, /* PC, NPC, and Y are omitted because */
61 WIM_REGNUM = 66, /* they have different values depending on */
62 TBR_REGNUM = 67, /* 32-bit / 64-bit mode. */
67 /* v9 misc. and priv. regs */
69 /* Note: specifying values explicitly for documentation purposes. */
70 enum { /* Sparc64 control registers, excluding Y, PC, and NPC. */
71 CCR_REGNUM = 82, /* Condition Code Register (%xcc,%icc) */
72 FSR_REGNUM = 83, /* Floating Point State */
73 FPRS_REGNUM = 84, /* Floating Point Registers State */
74 ASI_REGNUM = 86, /* Alternate Space Identifier */
75 VER_REGNUM = 87, /* Version register */
76 TICK_REGNUM = 88, /* Tick register */
77 PIL_REGNUM = 89, /* Processor Interrupt Level */
78 PSTATE_REGNUM = 90, /* Processor State */
79 TSTATE_REGNUM = 91, /* Trap State */
80 TBA_REGNUM = 92, /* Trap Base Address */
81 TL_REGNUM = 93, /* Trap Level */
82 TT_REGNUM = 94, /* Trap Type */
83 TPC_REGNUM = 95, /* Trap pc */
84 TNPC_REGNUM = 96, /* Trap npc */
85 WSTATE_REGNUM = 97, /* Window State */
86 CWP_REGNUM = 98, /* Current Window Pointer */
87 CANSAVE_REGNUM = 99, /* Savable Windows */
88 CANRESTORE_REGNUM = 100, /* Restorable Windows */
89 CLEANWIN_REGNUM = 101, /* Clean Windows */
90 OTHERWIN_REGNUM = 102, /* Other Windows */
91 ASR16_REGNUM = 103, /* Ancillary State Registers */
107 ICC_REGNUM = 119, /* 32 bit condition codes */
108 XCC_REGNUM = 120, /* 64 bit condition codes */
109 FCC0_REGNUM = 121, /* fp cc reg 0 */
110 FCC1_REGNUM = 122, /* fp cc reg 1 */
111 FCC2_REGNUM = 123, /* fp cc reg 2 */
112 FCC3_REGNUM = 124 /* fp cc reg 3 */
116 * Make sparc target multi-archable: April 2000
119 #if defined (GDB_MULTI_ARCH) && (GDB_MULTI_ARCH > 0)
121 /* Multi-arch definition of TARGET_IS_SPARC64, TARGET_ELF64 */
122 #undef GDB_TARGET_IS_SPARC64
123 #define GDB_TARGET_IS_SPARC64 \
124 (sparc_intreg_size () == 8)
126 #define TARGET_ELF64 \
127 (sparc_intreg_size () == 8)
128 extern int sparc_intreg_size (void);
131 /* Non-multi-arch: if it isn't defined, define it to zero. */
132 #ifndef GDB_TARGET_IS_SPARC64
133 #define GDB_TARGET_IS_SPARC64 0
136 #define TARGET_ELF64 0
140 #if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
142 * The following defines must go away for MULTI_ARCH
145 /* Initializer for an array of names of registers.
146 There should be NUM_REGS strings in this initializer. */
148 #define REGISTER_NAMES \
149 { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
150 "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", \
151 "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", \
152 "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", \
154 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
155 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
156 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
157 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
159 "y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr" \
162 /* Offset from address of function to start of its code.
163 Zero on most machines. */
165 #define FUNCTION_START_OFFSET 0
167 /* Amount PC must be decremented by after a breakpoint. This is often
168 the number of bytes returned by BREAKPOINT_FROM_PC but not always. */
170 #define DECR_PC_AFTER_BREAK 0
172 /* Say how long (ordinary) registers are. This is a piece of bogosity
173 used in push_word and a few other places; REGISTER_RAW_SIZE is the
174 real way to know how big a register is. */
176 #define DEPRECATED_REGISTER_SIZE 4
178 /* Number of machine registers */
182 #define SP_REGNUM 14 /* Contains address of top of stack, \
183 which is also the bottom of the frame. */
184 #define DEPRECATED_FP_REGNUM 30 /* Contains address of executing stack frame */
186 #define FP0_REGNUM 32 /* Floating point register 0 */
188 #define Y_REGNUM 64 /* Temp register for multiplication, etc. */
190 #define PC_REGNUM 68 /* Contains program counter */
192 #define NPC_REGNUM 69 /* Contains next PC */
195 /* Total amount of space needed to store our copies of the machine's
196 register state, the array `registers'. On the sparc, `registers'
197 contains the ins and locals, even though they are saved on the
198 stack rather than with the other registers, and this causes hair
199 and confusion in places like pop_frame. It might be better to
200 remove the ins and locals from `registers', make sure that
201 frame_register() can get them from the stack (even in the innermost
202 frame), and make this the way to access them. For the frame
203 pointer we would do that via DEPRECATED_TARGET_READ_FP. On the
204 other hand, that is likely to be confusing or worse for flat
207 #define DEPRECATED_REGISTER_BYTES (32*4+32*4+8*4)
209 /* Index within `registers' of the first byte of the space for
212 #define REGISTER_BYTE(N) ((N)*4)
214 /* Number of bytes of storage in the actual machine representation for
217 /* On the SPARC, all regs are 4 bytes (except Sparc64, where they're 8). */
219 #define REGISTER_RAW_SIZE(N) (4)
221 /* Number of bytes of storage in the program's representation
224 /* On the SPARC, all regs are 4 bytes (except Sparc64, where they're 8). */
226 #define REGISTER_VIRTUAL_SIZE(N) (4)
228 /* Largest value REGISTER_RAW_SIZE can have. */
230 #define DEPRECATED_MAX_REGISTER_RAW_SIZE 8
232 /* Largest value REGISTER_VIRTUAL_SIZE can have. */
234 #define DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE 8
236 /* Return the GDB type object for the "standard" data type
237 of data in register N. */
239 #define REGISTER_VIRTUAL_TYPE(N) \
240 ((N) < 32 ? builtin_type_int : (N) < 64 ? builtin_type_float : \
243 /* Sun /bin/cc gets this right as of SunOS 4.1.x. We need to define
244 BELIEVE_PCC_PROMOTION to get this right now that the code which
245 detects gcc2_compiled. is broken. This loses for SunOS 4.0.x and
248 #define BELIEVE_PCC_PROMOTION 1
250 /* Advance PC across any function entry prologue instructions
251 to reach some "real" code. */
253 extern CORE_ADDR sparc_skip_prologue (CORE_ADDR);
254 #define SKIP_PROLOGUE(PC) sparc_skip_prologue (PC)
256 /* Immediately after a function call, return the saved pc.
257 Can't go through the frames for this because on some machines
258 the new frame is not set up until the new function executes
259 some instructions. */
261 #define DEPRECATED_SAVED_PC_AFTER_CALL(FRAME) PC_ADJUST (read_register (RP_REGNUM))
263 /* Stack grows downward. */
265 #define INNER_THAN(LHS,RHS) ((LHS) < (RHS))
267 /* Write into appropriate registers a function return value of type
268 TYPE, given in virtual format. */
270 #define STORE_RETURN_VALUE(TYPE, REGCACHE, VALBUF) \
271 sparc32_store_return_value (TYPE, REGCACHE, VALBUF)
272 extern void sparc32_store_return_value (struct type *, struct regcache *,
275 /* Extract from REGCACHE the address in which a function should return
276 its structure value. */
278 #define EXTRACT_STRUCT_VALUE_ADDRESS(REGCACHE) \
279 sparc_extract_struct_value_address (REGCACHE)
280 extern CORE_ADDR sparc_extract_struct_value_address (struct regcache *);
282 /* Stack must be aligned on 64-bit boundaries when synthesizing
283 function calls (128-bit for sparc64). */
285 #define STACK_ALIGN(ADDR) sparc32_stack_align (ADDR)
286 extern CORE_ADDR sparc32_stack_align (CORE_ADDR addr);
288 /* The Sparc returns long doubles on the stack. */
290 #define RETURN_VALUE_ON_STACK(TYPE) \
291 (TYPE_CODE(TYPE) == TYPE_CODE_FLT \
292 && TYPE_LENGTH(TYPE) > 8)
294 /* When passing a structure to a function, Sun cc passes the address
295 not the structure itself. It (under SunOS4) creates two symbols,
296 which we need to combine to a LOC_REGPARM. Gcc version two (as of
297 1.92) behaves like sun cc. REG_STRUCT_HAS_ADDR is smart enough to
298 distinguish between Sun cc, gcc version 1 and gcc version 2. */
300 #define REG_STRUCT_HAS_ADDR(GCC_P, TYPE) \
301 sparc_reg_struct_has_addr (GCC_P, TYPE)
302 extern int sparc_reg_struct_has_addr (int, struct type *);
304 /* Is the prologue at PC frameless? */
305 #define PROLOGUE_FRAMELESS_P(PC) sparc_prologue_frameless_p (PC)
306 extern int sparc_prologue_frameless_p (CORE_ADDR);
308 #endif /* GDB_MULTI_ARCH */
310 #if defined (GDB_MULTI_ARCH) && (GDB_MULTI_ARCH > 0)
312 * The following defines should ONLY appear for MULTI_ARCH.
315 /* Multi-arch the nPC and Y registers. */
316 #define Y_REGNUM (sparc_y_regnum ())
317 extern int sparc_npc_regnum (void);
318 extern int sparc_y_regnum (void);
320 #endif /* GDB_MULTI_ARCH */
322 /* On the Sun 4 under SunOS, the compile will leave a fake insn which
323 encodes the structure size being returned. If we detect such
324 a fake insn, step past it. */
326 #define PC_ADJUST(PC) sparc_pc_adjust (PC)
327 extern CORE_ADDR sparc_pc_adjust (CORE_ADDR);
329 /* If an argument is declared "register", Sun cc will keep it in a register,
330 never saving it onto the stack. So we better not believe the "p" symbol
333 #define USE_REGISTER_NOT_ARG
335 /* For acc, there's no need to correct LBRAC entries by guessing how
336 they should work. In fact, this is harmful because the LBRAC
337 entries now all appear at the end of the function, not intermixed
338 with the SLINE entries. n_opt_found detects acc for Solaris binaries;
339 function_stab_type detects acc for SunOS4 binaries.
341 For binary from SunOS4 /bin/cc, need to correct LBRAC's.
343 For gcc, like acc, don't correct. */
345 #define SUN_FIXED_LBRAC_BUG \
347 || function_stab_type == N_STSYM \
348 || function_stab_type == N_GSYM \
349 || processing_gcc_compilation)
351 /* Do variables in the debug stabs occur after the N_LBRAC or before it?
352 acc: after, gcc: before, SunOS4 /bin/cc: before. */
354 #define VARIABLES_INSIDE_BLOCK(desc, gcc_p) \
357 || function_stab_type == N_STSYM \
358 || function_stab_type == N_GSYM))
360 /* Sequence of bytes for breakpoint instruction (ta 1). */
362 extern const unsigned char *sparc_breakpoint_from_pc (CORE_ADDR *pc, int *len);
363 #define BREAKPOINT_FROM_PC(PC,LEN) sparc_breakpoint_from_pc ((PC), (LEN))
365 /* Register numbers of various important registers.
366 Note that some of these values are "real" register numbers,
367 and correspond to the general registers of the machine,
368 and some are "phony" register numbers which are too large
369 to be actual register numbers as far as the user is concerned
370 but do serve to get the desired values when passed to read_register. */
372 #define G0_REGNUM 0 /* %g0 */
373 #define G1_REGNUM 1 /* %g1 */
374 #define O0_REGNUM 8 /* %o0 */
375 #define RP_REGNUM 15 /* Contains return address value, *before* \
376 any windows get switched. */
377 #define O7_REGNUM 15 /* Last local reg not saved on stack frame */
378 #define L0_REGNUM 16 /* First local reg that's saved on stack frame
379 rather than in machine registers */
380 #define I0_REGNUM 24 /* %i0 */
381 #define I7_REGNUM 31 /* Last local reg saved on stack frame */
382 #define PS_REGNUM 65 /* Contains processor status */
383 #define PS_FLAG_CARRY 0x100000 /* Carry bit in PS */
384 #define WIM_REGNUM 66 /* Window Invalid Mask (not really supported) */
385 #define TBR_REGNUM 67 /* Trap Base Register (not really supported) */
386 #define FPS_REGNUM 70 /* Floating point status register */
387 #define CPS_REGNUM 71 /* Coprocessor status register */
389 /* Writing to %g0 is a noop (not an error or exception or anything like
392 #define CANNOT_STORE_REGISTER(regno) ((regno) == G0_REGNUM)
395 * DEPRECATED_FRAME_CHAIN and FRAME_INFO definitions, collected here
396 * for convenience. */
398 #if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
400 * The following defines must go away for MULTI_ARCH.
403 /* Describe the pointer in each stack frame to the previous stack frame
406 /* DEPRECATED_FRAME_CHAIN takes a frame's nominal address and produces
407 the frame's chain-pointer. */
409 /* We need to override DEPRECATED_GET_SAVED_REGISTER so that we can
410 deal with the way outs change into ins in different frames. */
412 void sparc_get_saved_register (char *raw_buffer,
415 struct frame_info *frame,
416 int regnum, enum lval_type *lvalp);
418 #define DEPRECATED_GET_SAVED_REGISTER(RAW_BUFFER, OPTIMIZED, ADDRP, FRAME, REGNUM, LVAL) \
419 sparc_get_saved_register (RAW_BUFFER, OPTIMIZED, ADDRP, \
422 #define DEPRECATED_FRAME_INIT_SAVED_REGS(FP) /*no-op */
424 #define DEPRECATED_INIT_EXTRA_FRAME_INFO(FROMLEAF, FCI) \
425 sparc_init_extra_frame_info (FROMLEAF, FCI)
426 extern void sparc_init_extra_frame_info (int, struct frame_info *);
428 #define DEPRECATED_FRAME_CHAIN(THISFRAME) (sparc_frame_chain (THISFRAME))
429 extern CORE_ADDR sparc_frame_chain (struct frame_info *);
431 /* A macro that tells us whether the function invocation represented
432 by FI does not have a frame on the stack associated with it. If it
433 does not, FRAMELESS is set to 1, else 0. */
435 #define FRAMELESS_FUNCTION_INVOCATION(FI) \
436 frameless_look_for_prologue (FI)
438 /* Where is the PC for a specific frame */
440 #define DEPRECATED_FRAME_SAVED_PC(FRAME) sparc_frame_saved_pc (FRAME)
441 extern CORE_ADDR sparc_frame_saved_pc (struct frame_info *);
443 /* If the argument is on the stack, it will be here. */
444 #define DEPRECATED_FRAME_ARGS_ADDRESS(FI) (get_frame_base (FI))
446 #define DEPRECATED_FRAME_LOCALS_ADDRESS(FI) (get_frame_base (FI))
448 /* Set VAL to the number of args passed to frame described by FI.
449 Can set VAL to -1, meaning no way to tell. */
451 /* Return number of bytes at start of arglist that are not really args. */
453 #define FRAME_ARGS_SKIP 68
455 #endif /* GDB_MULTI_ARCH */
457 #define PRINT_EXTRA_FRAME_INFO(FI) \
458 sparc_print_extra_frame_info (FI)
459 extern void sparc_print_extra_frame_info (struct frame_info *);
461 /* DEPRECATED_INIT_EXTRA_FRAME_INFO needs the PC to detect flat
464 /* NOTE: cagney/2002-12-08: Add local declaration of
465 init_frame_pc_noop() because it isn't possible to include
466 "arch-utils.h" here. */
467 extern CORE_ADDR init_frame_pc_noop (int fromleaf, struct frame_info *prev);
468 #define DEPRECATED_INIT_FRAME_PC(FROMLEAF, PREV) (init_frame_pc_noop (FROMLEAF, PREV))
469 #define DEPRECATED_INIT_FRAME_PC_FIRST(FROMLEAF, PREV) \
470 ((FROMLEAF) ? DEPRECATED_SAVED_PC_AFTER_CALL ((PREV)->next) : \
471 (PREV)->next ? DEPRECATED_FRAME_SAVED_PC ((PREV)->next) : read_pc ())
473 /* Define other aspects of the stack frame. */
475 /* The location of I0 w.r.t SP. This is actually dependent on how the
476 system's window overflow/underflow routines are written. Most
477 vendors save the L regs followed by the I regs (at the higher
478 address). Some vendors get it wrong. */
480 #define FRAME_SAVED_L0 0
481 #define FRAME_SAVED_I0 (8 * REGISTER_RAW_SIZE (L0_REGNUM))
483 #define FRAME_STRUCT_ARGS_ADDRESS(FI) (get_frame_base (FI))
485 /* Things needed for making the inferior call functions. */
487 * First of all, let me give my opinion of what the DUMMY_FRAME
488 * actually looks like.
492 * + - - - - - - - - - - - - - - - - +<-- fp (level 0)
497 * | Frame of innermost program |
504 * |---------------------------------|<-- sp (level 0), fp (c)
508 * | ------ |<-- fp - 0x80
509 * FRAME | g0-7 |<-- fp - 0xa0
510 * | i0-7 |<-- fp - 0xc0
511 * | other |<-- fp - 0xe0
514 * |---------------------------------|<-- sp' = fp - 0x140
517 * sp' + 0x94 -->| CALL_DUMMY (x code) |
520 * |---------------------------------|<-- sp'' = fp - 0x200
521 * | align sp to 8 byte boundary |
522 * | ==> args to fn <== |
524 * i & l's + agg | CALL_DUMMY_STACK_ADJUST = 0x0x44|
525 * |---------------------------------|<-- final sp (variable)
527 * | Where function called will |
532 * I understand everything in this picture except what the space
533 * between fp - 0xe0 and fp - 0x140 is used for. Oh, and I don't
534 * understand why there's a large chunk of CALL_DUMMY that never gets
535 * executed (its function is superceeded by
536 * DEPRECATED_PUSH_DUMMY_FRAME; they are designed to do the same
539 * DEPRECATED_PUSH_DUMMY_FRAME saves the registers above sp' and
540 * pushes the * register file stack down one.
542 * call_function then writes CALL_DUMMY, pushes the args onto the
543 * stack, and adjusts the stack pointer.
545 call_function_by_hand then starts execution (in the middle of
546 CALL_DUMMY, as directed by call_function). */
549 /* This sequence of words is the instructions
551 00: bc 10 00 01 mov %g1, %fp
552 04: 9d e3 80 00 save %sp, %g0, %sp
553 08: bc 10 00 02 mov %g2, %fp
554 0c: be 10 00 03 mov %g3, %i7
555 10: da 03 a0 58 ld [ %sp + 0x58 ], %o5
556 14: d8 03 a0 54 ld [ %sp + 0x54 ], %o4
557 18: d6 03 a0 50 ld [ %sp + 0x50 ], %o3
558 1c: d4 03 a0 4c ld [ %sp + 0x4c ], %o2
559 20: d2 03 a0 48 ld [ %sp + 0x48 ], %o1
560 24: 40 00 00 00 call <fun>
561 28: d0 03 a0 44 ld [ %sp + 0x44 ], %o0
567 * the first four instructions are necessary only on the simulator.
568 * this is a multiple of 8 (not only 4) bytes.
569 * the `call' insn is a relative, not an absolute call.
570 * the `nop' at the end is needed to keep the trap from
571 clobbering things (if NPC pointed to garbage instead).
574 #if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
576 * The following defines must go away for MULTI_ARCH.
579 #define CALL_DUMMY { 0xbc100001, 0x9de38000, 0xbc100002, 0xbe100003, \
580 0xda03a058, 0xd803a054, 0xd603a050, 0xd403a04c, \
581 0xd203a048, 0x40000000, 0xd003a044, 0x01000000, \
582 0x91d02001, 0x01000000 }
585 /* Size of the call dummy in bytes. */
587 #define DEPRECATED_CALL_DUMMY_LENGTH 0x38
589 /* Offset within call dummy of first instruction to execute. */
591 #define DEPRECATED_CALL_DUMMY_START_OFFSET 0
593 /* Offset within CALL_DUMMY of the 'call' instruction. */
595 #define CALL_DUMMY_CALL_OFFSET (DEPRECATED_CALL_DUMMY_START_OFFSET + 0x24)
597 /* Offset within CALL_DUMMY of the 'ta 1' trap instruction. */
599 #define DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET (DEPRECATED_CALL_DUMMY_START_OFFSET + 0x30)
601 #define DEPRECATED_CALL_DUMMY_STACK_ADJUST 68
603 /* Call dummy method (eg. on stack, at entry point, etc.) */
605 #define CALL_DUMMY_LOCATION ON_STACK
607 /* Method for detecting dummy frames. */
609 #define DEPRECATED_PC_IN_CALL_DUMMY(PC, SP, FRAME_ADDRESS) \
610 deprecated_pc_in_call_dummy_on_stack (PC, SP, FRAME_ADDRESS)
612 #endif /* GDB_MULTI_ARCH */
614 #endif /* CALL_DUMMY */
616 #if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
618 * The following defines must go away for MULTI_ARCH.
621 /* Insert the specified number of args and function address
622 into a call sequence of the above form stored at DUMMYNAME. */
624 #define DEPRECATED_FIX_CALL_DUMMY(DUMMYNAME, PC, FUN, NARGS, ARGS, TYPE, GCC_P) \
625 sparc_fix_call_dummy (DUMMYNAME, PC, FUN, TYPE, GCC_P)
626 void sparc_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun,
627 struct type *value_type, int using_gcc);
629 /* Arguments smaller than an int must be promoted to ints when
630 synthesizing function calls. */
632 /* Push an empty stack frame, to record the current PC, etc. */
634 #define DEPRECATED_PUSH_DUMMY_FRAME sparc_push_dummy_frame ()
635 #define DEPRECATED_POP_FRAME sparc_pop_frame ()
637 void sparc_push_dummy_frame (void);
638 void sparc_pop_frame (void);
640 #define DEPRECATED_PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
641 sparc32_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)
643 extern CORE_ADDR sparc32_push_arguments (int, struct value **, CORE_ADDR, int,
646 /* Store the address of the place in which to copy the structure the
647 subroutine will return. This is called from call_function_by_hand.
648 The ultimate mystery is, tho, what is the value "16"? */
650 #define STORE_STRUCT_RETURN(ADDR, SP) \
652 store_unsigned_integer (val, 4, (ADDR)); \
653 write_memory ((SP)+(16*4), val, 4); }
655 /* Default definition of USE_STRUCT_CONVENTION. */
657 #ifndef USE_STRUCT_CONVENTION
658 #define USE_STRUCT_CONVENTION(GCC_P, TYPE) \
659 generic_use_struct_convention (GCC_P, TYPE)
662 /* Extract from an array REGBUF containing the (raw) register state a
663 function return value of type TYPE, and copy that, in virtual
664 format, into VALBUF. */
666 #define EXTRACT_RETURN_VALUE(TYPE, REGCACHE, VALBUF) \
667 sparc32_extract_return_value (TYPE, REGCACHE, VALBUF)
668 extern void sparc32_extract_return_value (struct type *, struct regcache *,
671 #endif /* GDB_MULTI_ARCH */
674 /* Sparc has no reliable single step ptrace call */
676 #define SOFTWARE_SINGLE_STEP_P() 1
677 extern void sparc_software_single_step (enum target_signal, int);
678 #define SOFTWARE_SINGLE_STEP(sig,bp_p) sparc_software_single_step (sig,bp_p)
680 /* We need more arguments in a frame specification for the
681 "frame" or "info frame" command. */
683 #define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv)
684 extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *);
686 extern void sparc_do_registers_info (int regnum, int all);
687 #undef DEPRECATED_DO_REGISTERS_INFO
688 #define DEPRECATED_DO_REGISTERS_INFO(REGNUM,ALL) sparc_do_registers_info (REGNUM, ALL)
690 /* Optimization for storing registers to the inferior. The hook
692 actually executes any deferred stores. It is called any time
693 we are going to proceed the child, or read its registers.
694 The hook CLEAR_DEFERRED_STORES is called when we want to throw
695 away the inferior process, e.g. when it dies or we kill it.
696 FIXME, this does not handle remote debugging cleanly. */
698 extern int deferred_stores;
699 #define DO_DEFERRED_STORES \
700 if (deferred_stores) \
701 target_store_registers (-2);
702 #define CLEAR_DEFERRED_STORES \
705 /* Select the sparc disassembler */
707 #define TM_PRINT_INSN_MACH bfd_mach_sparc
709 #define DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED 1