1 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
3 /* Dynamic architecture support for GDB, the GNU debugger.
5 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
6 Free Software Foundation, Inc.
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., 51 Franklin Street, Fifth Floor,
23 Boston, MA 02110-1301, USA. */
25 /* This file was created with the aid of ``gdbarch.sh''.
27 The Bourne shell script ``gdbarch.sh'' creates the files
28 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
29 against the existing ``gdbarch.[hc]''. Any differences found
32 If editing this file, please also run gdbarch.sh and merge any
33 changes into that script. Conversely, when making sweeping changes
34 to this file, modifying gdbarch.sh and using its output may prove
46 struct minimal_symbol
;
50 struct disassemble_info
;
53 struct bp_target_info
;
56 extern struct gdbarch
*current_gdbarch
;
59 /* The following are pre-initialized by GDBARCH. */
61 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
62 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
63 #if !defined (GDB_TM_FILE) && defined (TARGET_ARCHITECTURE)
64 #error "Non multi-arch definition of TARGET_ARCHITECTURE"
66 #if !defined (TARGET_ARCHITECTURE)
67 #define TARGET_ARCHITECTURE (gdbarch_bfd_arch_info (current_gdbarch))
70 extern int gdbarch_byte_order (struct gdbarch
*gdbarch
);
71 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
73 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
74 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
76 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
77 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
80 /* The following are initialized by the target dependent code. */
82 /* Number of bits in a char or unsigned char for the target machine.
83 Just like CHAR_BIT in <limits.h> but describes the target machine.
84 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
86 Number of bits in a short or unsigned short for the target machine. */
88 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
89 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
90 #if !defined (GDB_TM_FILE) && defined (TARGET_SHORT_BIT)
91 #error "Non multi-arch definition of TARGET_SHORT_BIT"
93 #if !defined (TARGET_SHORT_BIT)
94 #define TARGET_SHORT_BIT (gdbarch_short_bit (current_gdbarch))
97 /* Number of bits in an int or unsigned int for the target machine. */
99 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
100 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
101 #if !defined (GDB_TM_FILE) && defined (TARGET_INT_BIT)
102 #error "Non multi-arch definition of TARGET_INT_BIT"
104 #if !defined (TARGET_INT_BIT)
105 #define TARGET_INT_BIT (gdbarch_int_bit (current_gdbarch))
108 /* Number of bits in a long or unsigned long for the target machine. */
110 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
111 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
112 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_BIT)
113 #error "Non multi-arch definition of TARGET_LONG_BIT"
115 #if !defined (TARGET_LONG_BIT)
116 #define TARGET_LONG_BIT (gdbarch_long_bit (current_gdbarch))
119 /* Number of bits in a long long or unsigned long long for the target
122 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
123 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
124 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_LONG_BIT)
125 #error "Non multi-arch definition of TARGET_LONG_LONG_BIT"
127 #if !defined (TARGET_LONG_LONG_BIT)
128 #define TARGET_LONG_LONG_BIT (gdbarch_long_long_bit (current_gdbarch))
131 /* The ABI default bit-size and format for "float", "double", and "long
132 double". These bit/format pairs should eventually be combined into
133 a single object. For the moment, just initialize them as a pair.
134 Each format describes both the big and little endian layouts (if
137 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
138 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
139 #if !defined (GDB_TM_FILE) && defined (TARGET_FLOAT_BIT)
140 #error "Non multi-arch definition of TARGET_FLOAT_BIT"
142 #if !defined (TARGET_FLOAT_BIT)
143 #define TARGET_FLOAT_BIT (gdbarch_float_bit (current_gdbarch))
146 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
147 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
148 #if !defined (GDB_TM_FILE) && defined (TARGET_FLOAT_FORMAT)
149 #error "Non multi-arch definition of TARGET_FLOAT_FORMAT"
151 #if !defined (TARGET_FLOAT_FORMAT)
152 #define TARGET_FLOAT_FORMAT (gdbarch_float_format (current_gdbarch))
155 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
156 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
157 #if !defined (GDB_TM_FILE) && defined (TARGET_DOUBLE_BIT)
158 #error "Non multi-arch definition of TARGET_DOUBLE_BIT"
160 #if !defined (TARGET_DOUBLE_BIT)
161 #define TARGET_DOUBLE_BIT (gdbarch_double_bit (current_gdbarch))
164 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
165 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
166 #if !defined (GDB_TM_FILE) && defined (TARGET_DOUBLE_FORMAT)
167 #error "Non multi-arch definition of TARGET_DOUBLE_FORMAT"
169 #if !defined (TARGET_DOUBLE_FORMAT)
170 #define TARGET_DOUBLE_FORMAT (gdbarch_double_format (current_gdbarch))
173 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
174 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
175 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_DOUBLE_BIT)
176 #error "Non multi-arch definition of TARGET_LONG_DOUBLE_BIT"
178 #if !defined (TARGET_LONG_DOUBLE_BIT)
179 #define TARGET_LONG_DOUBLE_BIT (gdbarch_long_double_bit (current_gdbarch))
182 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
183 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
184 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_DOUBLE_FORMAT)
185 #error "Non multi-arch definition of TARGET_LONG_DOUBLE_FORMAT"
187 #if !defined (TARGET_LONG_DOUBLE_FORMAT)
188 #define TARGET_LONG_DOUBLE_FORMAT (gdbarch_long_double_format (current_gdbarch))
191 /* For most targets, a pointer on the target and its representation as an
192 address in GDB have the same size and "look the same". For such a
193 target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
194 / addr_bit will be set from it.
196 If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
197 also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer
200 ptr_bit is the size of a pointer on the target */
202 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
203 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
204 #if !defined (GDB_TM_FILE) && defined (TARGET_PTR_BIT)
205 #error "Non multi-arch definition of TARGET_PTR_BIT"
207 #if !defined (TARGET_PTR_BIT)
208 #define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
211 /* addr_bit is the size of a target address as represented in gdb */
213 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
214 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
215 #if !defined (GDB_TM_FILE) && defined (TARGET_ADDR_BIT)
216 #error "Non multi-arch definition of TARGET_ADDR_BIT"
218 #if !defined (TARGET_ADDR_BIT)
219 #define TARGET_ADDR_BIT (gdbarch_addr_bit (current_gdbarch))
222 /* Number of bits in a BFD_VMA for the target object file format. */
224 extern int gdbarch_bfd_vma_bit (struct gdbarch
*gdbarch
);
225 extern void set_gdbarch_bfd_vma_bit (struct gdbarch
*gdbarch
, int bfd_vma_bit
);
226 #if !defined (GDB_TM_FILE) && defined (TARGET_BFD_VMA_BIT)
227 #error "Non multi-arch definition of TARGET_BFD_VMA_BIT"
229 #if !defined (TARGET_BFD_VMA_BIT)
230 #define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
233 /* One if `char' acts like `signed char', zero if `unsigned char'. */
235 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
236 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
238 #if defined (TARGET_READ_PC)
239 /* Legacy for systems yet to multi-arch TARGET_READ_PC */
240 #if !defined (TARGET_READ_PC_P)
241 #define TARGET_READ_PC_P() (1)
245 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
246 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC_P)
247 #error "Non multi-arch definition of TARGET_READ_PC"
249 #if !defined (TARGET_READ_PC_P)
250 #define TARGET_READ_PC_P() (gdbarch_read_pc_p (current_gdbarch))
253 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (ptid_t ptid
);
254 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, ptid_t ptid
);
255 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
256 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC)
257 #error "Non multi-arch definition of TARGET_READ_PC"
259 #if !defined (TARGET_READ_PC)
260 #define TARGET_READ_PC(ptid) (gdbarch_read_pc (current_gdbarch, ptid))
263 typedef void (gdbarch_write_pc_ftype
) (CORE_ADDR val
, ptid_t ptid
);
264 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, CORE_ADDR val
, ptid_t ptid
);
265 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
266 #if !defined (GDB_TM_FILE) && defined (TARGET_WRITE_PC)
267 #error "Non multi-arch definition of TARGET_WRITE_PC"
269 #if !defined (TARGET_WRITE_PC)
270 #define TARGET_WRITE_PC(val, ptid) (gdbarch_write_pc (current_gdbarch, val, ptid))
273 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
274 whole scheme for dealing with "frames" and "frame pointers" needs a
275 serious shakedown. */
277 typedef void (gdbarch_virtual_frame_pointer_ftype
) (CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
278 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
279 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
280 #if !defined (GDB_TM_FILE) && defined (TARGET_VIRTUAL_FRAME_POINTER)
281 #error "Non multi-arch definition of TARGET_VIRTUAL_FRAME_POINTER"
283 #if !defined (TARGET_VIRTUAL_FRAME_POINTER)
284 #define TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset) (gdbarch_virtual_frame_pointer (current_gdbarch, pc, frame_regnum, frame_offset))
287 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
289 typedef void (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
290 extern void gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
291 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
293 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
295 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
296 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
297 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
299 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
300 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
302 /* This macro gives the number of pseudo-registers that live in the
303 register namespace but do not get fetched or stored on the target.
304 These pseudo-registers may be aliases for other registers,
305 combinations of other registers, or they may be computed by GDB. */
307 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
308 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
310 /* GDB's standard (or well known) register numbers. These can map onto
311 a real register or a pseudo (computed) register or not be defined at
313 SP_REGNUM will hopefully be replaced by UNWIND_SP. */
315 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
316 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
317 #if !defined (GDB_TM_FILE) && defined (SP_REGNUM)
318 #error "Non multi-arch definition of SP_REGNUM"
320 #if !defined (SP_REGNUM)
321 #define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
324 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
325 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
326 #if !defined (GDB_TM_FILE) && defined (PC_REGNUM)
327 #error "Non multi-arch definition of PC_REGNUM"
329 #if !defined (PC_REGNUM)
330 #define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
333 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
334 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
335 #if !defined (GDB_TM_FILE) && defined (PS_REGNUM)
336 #error "Non multi-arch definition of PS_REGNUM"
338 #if !defined (PS_REGNUM)
339 #define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch))
342 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
343 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
344 #if !defined (GDB_TM_FILE) && defined (FP0_REGNUM)
345 #error "Non multi-arch definition of FP0_REGNUM"
347 #if !defined (FP0_REGNUM)
348 #define FP0_REGNUM (gdbarch_fp0_regnum (current_gdbarch))
351 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
353 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (int stab_regnr
);
354 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
355 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
356 #if !defined (GDB_TM_FILE) && defined (STAB_REG_TO_REGNUM)
357 #error "Non multi-arch definition of STAB_REG_TO_REGNUM"
359 #if !defined (STAB_REG_TO_REGNUM)
360 #define STAB_REG_TO_REGNUM(stab_regnr) (gdbarch_stab_reg_to_regnum (current_gdbarch, stab_regnr))
363 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
365 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (int ecoff_regnr
);
366 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
367 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
368 #if !defined (GDB_TM_FILE) && defined (ECOFF_REG_TO_REGNUM)
369 #error "Non multi-arch definition of ECOFF_REG_TO_REGNUM"
371 #if !defined (ECOFF_REG_TO_REGNUM)
372 #define ECOFF_REG_TO_REGNUM(ecoff_regnr) (gdbarch_ecoff_reg_to_regnum (current_gdbarch, ecoff_regnr))
375 /* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
377 typedef int (gdbarch_dwarf_reg_to_regnum_ftype
) (int dwarf_regnr
);
378 extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf_regnr
);
379 extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf_reg_to_regnum_ftype
*dwarf_reg_to_regnum
);
380 #if !defined (GDB_TM_FILE) && defined (DWARF_REG_TO_REGNUM)
381 #error "Non multi-arch definition of DWARF_REG_TO_REGNUM"
383 #if !defined (DWARF_REG_TO_REGNUM)
384 #define DWARF_REG_TO_REGNUM(dwarf_regnr) (gdbarch_dwarf_reg_to_regnum (current_gdbarch, dwarf_regnr))
387 /* Convert from an sdb register number to an internal gdb register number. */
389 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (int sdb_regnr
);
390 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
391 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
392 #if !defined (GDB_TM_FILE) && defined (SDB_REG_TO_REGNUM)
393 #error "Non multi-arch definition of SDB_REG_TO_REGNUM"
395 #if !defined (SDB_REG_TO_REGNUM)
396 #define SDB_REG_TO_REGNUM(sdb_regnr) (gdbarch_sdb_reg_to_regnum (current_gdbarch, sdb_regnr))
399 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (int dwarf2_regnr
);
400 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
401 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
402 #if !defined (GDB_TM_FILE) && defined (DWARF2_REG_TO_REGNUM)
403 #error "Non multi-arch definition of DWARF2_REG_TO_REGNUM"
405 #if !defined (DWARF2_REG_TO_REGNUM)
406 #define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (gdbarch_dwarf2_reg_to_regnum (current_gdbarch, dwarf2_regnr))
409 typedef const char * (gdbarch_register_name_ftype
) (int regnr
);
410 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
411 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
413 /* Return the type of a register specified by the architecture. Only
414 the register cache should call this function directly; others should
415 use "register_type". */
417 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
419 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
420 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
421 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
423 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
425 extern int gdbarch_unwind_dummy_id_p (struct gdbarch
*gdbarch
);
427 typedef struct frame_id (gdbarch_unwind_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*info
);
428 extern struct frame_id
gdbarch_unwind_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*info
);
429 extern void set_gdbarch_unwind_dummy_id (struct gdbarch
*gdbarch
, gdbarch_unwind_dummy_id_ftype
*unwind_dummy_id
);
431 /* Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
432 DEPRECATED_FP_REGNUM. */
434 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
435 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
436 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FP_REGNUM)
437 #error "Non multi-arch definition of DEPRECATED_FP_REGNUM"
439 #if !defined (DEPRECATED_FP_REGNUM)
440 #define DEPRECATED_FP_REGNUM (gdbarch_deprecated_fp_regnum (current_gdbarch))
443 /* See gdbint.texinfo. See infcall.c. */
445 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
447 typedef CORE_ADDR (gdbarch_push_dummy_call_ftype
) (struct gdbarch
*gdbarch
, struct value
*function
, struct regcache
*regcache
, CORE_ADDR bp_addr
, int nargs
, struct value
**args
, CORE_ADDR sp
, int struct_return
, CORE_ADDR struct_addr
);
448 extern CORE_ADDR
gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, struct value
*function
, struct regcache
*regcache
, CORE_ADDR bp_addr
, int nargs
, struct value
**args
, CORE_ADDR sp
, int struct_return
, CORE_ADDR struct_addr
);
449 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
451 /* DEPRECATED_REGISTER_SIZE can be deleted. */
453 extern int gdbarch_deprecated_register_size (struct gdbarch
*gdbarch
);
454 extern void set_gdbarch_deprecated_register_size (struct gdbarch
*gdbarch
, int deprecated_register_size
);
455 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_SIZE)
456 #error "Non multi-arch definition of DEPRECATED_REGISTER_SIZE"
458 #if !defined (DEPRECATED_REGISTER_SIZE)
459 #define DEPRECATED_REGISTER_SIZE (gdbarch_deprecated_register_size (current_gdbarch))
462 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
463 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
465 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
467 typedef CORE_ADDR (gdbarch_push_dummy_code_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR sp
, CORE_ADDR funaddr
, int using_gcc
, struct value
**args
, int nargs
, struct type
*value_type
, CORE_ADDR
*real_pc
, CORE_ADDR
*bp_addr
);
468 extern CORE_ADDR
gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, CORE_ADDR sp
, CORE_ADDR funaddr
, int using_gcc
, struct value
**args
, int nargs
, struct type
*value_type
, CORE_ADDR
*real_pc
, CORE_ADDR
*bp_addr
);
469 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
471 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
472 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
473 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
475 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
477 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
478 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
479 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
481 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
483 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
484 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
485 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
487 /* MAP a GDB RAW register number onto a simulator register number. See
488 also include/...-sim.h. */
490 typedef int (gdbarch_register_sim_regno_ftype
) (int reg_nr
);
491 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
492 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
493 #if !defined (GDB_TM_FILE) && defined (REGISTER_SIM_REGNO)
494 #error "Non multi-arch definition of REGISTER_SIM_REGNO"
496 #if !defined (REGISTER_SIM_REGNO)
497 #define REGISTER_SIM_REGNO(reg_nr) (gdbarch_register_sim_regno (current_gdbarch, reg_nr))
500 typedef int (gdbarch_cannot_fetch_register_ftype
) (int regnum
);
501 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
502 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
504 typedef int (gdbarch_cannot_store_register_ftype
) (int regnum
);
505 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
506 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
508 /* setjmp/longjmp support. */
510 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
512 typedef int (gdbarch_get_longjmp_target_ftype
) (CORE_ADDR
*pc
);
513 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, CORE_ADDR
*pc
);
514 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
516 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
517 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
518 #if !defined (GDB_TM_FILE) && defined (BELIEVE_PCC_PROMOTION)
519 #error "Non multi-arch definition of BELIEVE_PCC_PROMOTION"
521 #if !defined (BELIEVE_PCC_PROMOTION)
522 #define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
525 typedef int (gdbarch_convert_register_p_ftype
) (int regnum
, struct type
*type
);
526 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
527 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
528 #if !defined (GDB_TM_FILE) && defined (CONVERT_REGISTER_P)
529 #error "Non multi-arch definition of CONVERT_REGISTER_P"
531 #if !defined (CONVERT_REGISTER_P)
532 #define CONVERT_REGISTER_P(regnum, type) (gdbarch_convert_register_p (current_gdbarch, regnum, type))
535 typedef void (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
536 extern void gdbarch_register_to_value (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
537 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
538 #if !defined (GDB_TM_FILE) && defined (REGISTER_TO_VALUE)
539 #error "Non multi-arch definition of REGISTER_TO_VALUE"
541 #if !defined (REGISTER_TO_VALUE)
542 #define REGISTER_TO_VALUE(frame, regnum, type, buf) (gdbarch_register_to_value (current_gdbarch, frame, regnum, type, buf))
545 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
546 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
547 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
548 #if !defined (GDB_TM_FILE) && defined (VALUE_TO_REGISTER)
549 #error "Non multi-arch definition of VALUE_TO_REGISTER"
551 #if !defined (VALUE_TO_REGISTER)
552 #define VALUE_TO_REGISTER(frame, regnum, type, buf) (gdbarch_value_to_register (current_gdbarch, frame, regnum, type, buf))
555 /* Construct a value representing the contents of register REGNUM in
556 frame FRAME, interpreted as type TYPE. The routine needs to
557 allocate and return a struct value with all value attributes
558 (but not the value contents) filled in. */
560 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct type
*type
, int regnum
, struct frame_info
*frame
);
561 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_info
*frame
);
562 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
564 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct type
*type
, const gdb_byte
*buf
);
565 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
566 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
568 typedef void (gdbarch_address_to_pointer_ftype
) (struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
569 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
570 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
572 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
574 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
575 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
576 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
578 /* It has been suggested that this, well actually its predecessor,
579 should take the type/value of the function to be called and not the
580 return type. This is left as an exercise for the reader.
581 NOTE: cagney/2004-06-13: The function stack.c:return_command uses
582 the predicate with default hack to avoid calling STORE_RETURN_VALUE
583 (via legacy_return_value), when a small struct is involved. */
585 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
587 typedef enum return_value_convention (gdbarch_return_value_ftype
) (struct gdbarch
*gdbarch
, struct type
*valtype
, struct regcache
*regcache
, gdb_byte
*readbuf
, const gdb_byte
*writebuf
);
588 extern enum return_value_convention
gdbarch_return_value (struct gdbarch
*gdbarch
, struct type
*valtype
, struct regcache
*regcache
, gdb_byte
*readbuf
, const gdb_byte
*writebuf
);
589 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
591 /* The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE,
592 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
593 DEPRECATED_USE_STRUCT_CONVENTION have all been folded into
596 typedef void (gdbarch_extract_return_value_ftype
) (struct type
*type
, struct regcache
*regcache
, gdb_byte
*valbuf
);
597 extern void gdbarch_extract_return_value (struct gdbarch
*gdbarch
, struct type
*type
, struct regcache
*regcache
, gdb_byte
*valbuf
);
598 extern void set_gdbarch_extract_return_value (struct gdbarch
*gdbarch
, gdbarch_extract_return_value_ftype
*extract_return_value
);
599 #if !defined (GDB_TM_FILE) && defined (EXTRACT_RETURN_VALUE)
600 #error "Non multi-arch definition of EXTRACT_RETURN_VALUE"
602 #if !defined (EXTRACT_RETURN_VALUE)
603 #define EXTRACT_RETURN_VALUE(type, regcache, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regcache, valbuf))
606 typedef void (gdbarch_store_return_value_ftype
) (struct type
*type
, struct regcache
*regcache
, const gdb_byte
*valbuf
);
607 extern void gdbarch_store_return_value (struct gdbarch
*gdbarch
, struct type
*type
, struct regcache
*regcache
, const gdb_byte
*valbuf
);
608 extern void set_gdbarch_store_return_value (struct gdbarch
*gdbarch
, gdbarch_store_return_value_ftype
*store_return_value
);
609 #if !defined (GDB_TM_FILE) && defined (STORE_RETURN_VALUE)
610 #error "Non multi-arch definition of STORE_RETURN_VALUE"
612 #if !defined (STORE_RETURN_VALUE)
613 #define STORE_RETURN_VALUE(type, regcache, valbuf) (gdbarch_store_return_value (current_gdbarch, type, regcache, valbuf))
616 typedef int (gdbarch_deprecated_use_struct_convention_ftype
) (int gcc_p
, struct type
*value_type
);
617 extern int gdbarch_deprecated_use_struct_convention (struct gdbarch
*gdbarch
, int gcc_p
, struct type
*value_type
);
618 extern void set_gdbarch_deprecated_use_struct_convention (struct gdbarch
*gdbarch
, gdbarch_deprecated_use_struct_convention_ftype
*deprecated_use_struct_convention
);
619 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_USE_STRUCT_CONVENTION)
620 #error "Non multi-arch definition of DEPRECATED_USE_STRUCT_CONVENTION"
622 #if !defined (DEPRECATED_USE_STRUCT_CONVENTION)
623 #define DEPRECATED_USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_deprecated_use_struct_convention (current_gdbarch, gcc_p, value_type))
626 /* As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
627 ABI suitable for the implementation of a robust extract
628 struct-convention return-value address method (the sparc saves the
629 address in the callers frame). All the other cases so far examined,
630 the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
631 erreneous - the code was incorrectly assuming that the return-value
632 address, stored in a register, was preserved across the entire
634 For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
635 the ABIs that are still to be analyzed - perhaps this should simply
636 be deleted. The commented out extract_returned_value_address method
637 is provided as a starting point for the 32-bit SPARC. It, or
638 something like it, along with changes to both infcmd.c and stack.c
639 will be needed for that case to work. NB: It is passed the callers
640 frame since it is only after the callee has returned that this
642 M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame */
644 #if defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
645 /* Legacy for systems yet to multi-arch DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS */
646 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
647 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
651 extern int gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch
*gdbarch
);
652 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
653 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
655 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
656 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_deprecated_extract_struct_value_address_p (current_gdbarch))
659 typedef CORE_ADDR (gdbarch_deprecated_extract_struct_value_address_ftype
) (struct regcache
*regcache
);
660 extern CORE_ADDR
gdbarch_deprecated_extract_struct_value_address (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
661 extern void set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch
*gdbarch
, gdbarch_deprecated_extract_struct_value_address_ftype
*deprecated_extract_struct_value_address
);
662 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
663 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
665 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
666 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regcache) (gdbarch_deprecated_extract_struct_value_address (current_gdbarch, regcache))
669 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (CORE_ADDR ip
);
670 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
671 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
672 #if !defined (GDB_TM_FILE) && defined (SKIP_PROLOGUE)
673 #error "Non multi-arch definition of SKIP_PROLOGUE"
675 #if !defined (SKIP_PROLOGUE)
676 #define SKIP_PROLOGUE(ip) (gdbarch_skip_prologue (current_gdbarch, ip))
679 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
680 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
681 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
683 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (CORE_ADDR
*pcptr
, int *lenptr
);
684 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
685 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
686 #if !defined (GDB_TM_FILE) && defined (BREAKPOINT_FROM_PC)
687 #error "Non multi-arch definition of BREAKPOINT_FROM_PC"
689 #if !defined (BREAKPOINT_FROM_PC)
690 #define BREAKPOINT_FROM_PC(pcptr, lenptr) (gdbarch_breakpoint_from_pc (current_gdbarch, pcptr, lenptr))
693 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
695 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
696 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
697 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
699 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct bp_target_info
*bp_tgt
);
700 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
701 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
703 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct bp_target_info
*bp_tgt
);
704 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
705 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
707 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
708 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
710 /* A function can be addressed by either it's "pointer" (possibly a
711 descriptor address) or "entry point" (first executable instruction).
712 The method "convert_from_func_ptr_addr" converting the former to the
713 latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement
714 a simplified subset of that functionality - the function's address
715 corresponds to the "function pointer" and the function's start
716 corresponds to the "function entry point" - and hence is redundant. */
718 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
719 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
720 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FUNCTION_START_OFFSET)
721 #error "Non multi-arch definition of DEPRECATED_FUNCTION_START_OFFSET"
723 #if !defined (DEPRECATED_FUNCTION_START_OFFSET)
724 #define DEPRECATED_FUNCTION_START_OFFSET (gdbarch_deprecated_function_start_offset (current_gdbarch))
727 /* Return the remote protocol register number associated with this
728 register. Normally the identity mapping. */
730 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
731 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
732 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
734 /* Fetch the target specific address used to represent a load module. */
736 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
738 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
739 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
740 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
742 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
743 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
745 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
747 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
748 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
749 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
751 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
753 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
754 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
755 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
757 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
758 frame-base. Enable frame-base before frame-unwind. */
760 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
762 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
763 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
764 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
766 /* DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
767 to frame_align and the requirement that methods such as
768 push_dummy_call and frame_red_zone_size maintain correct stack/frame
771 #if defined (DEPRECATED_STACK_ALIGN)
772 /* Legacy for systems yet to multi-arch DEPRECATED_STACK_ALIGN */
773 #if !defined (DEPRECATED_STACK_ALIGN_P)
774 #define DEPRECATED_STACK_ALIGN_P() (1)
778 extern int gdbarch_deprecated_stack_align_p (struct gdbarch
*gdbarch
);
779 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_STACK_ALIGN_P)
780 #error "Non multi-arch definition of DEPRECATED_STACK_ALIGN"
782 #if !defined (DEPRECATED_STACK_ALIGN_P)
783 #define DEPRECATED_STACK_ALIGN_P() (gdbarch_deprecated_stack_align_p (current_gdbarch))
786 typedef CORE_ADDR (gdbarch_deprecated_stack_align_ftype
) (CORE_ADDR sp
);
787 extern CORE_ADDR
gdbarch_deprecated_stack_align (struct gdbarch
*gdbarch
, CORE_ADDR sp
);
788 extern void set_gdbarch_deprecated_stack_align (struct gdbarch
*gdbarch
, gdbarch_deprecated_stack_align_ftype
*deprecated_stack_align
);
789 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_STACK_ALIGN)
790 #error "Non multi-arch definition of DEPRECATED_STACK_ALIGN"
792 #if !defined (DEPRECATED_STACK_ALIGN)
793 #define DEPRECATED_STACK_ALIGN(sp) (gdbarch_deprecated_stack_align (current_gdbarch, sp))
796 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
798 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
799 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
800 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
802 /* DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
803 stabs_argument_has_addr. */
805 #if defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
806 /* Legacy for systems yet to multi-arch DEPRECATED_REG_STRUCT_HAS_ADDR */
807 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
808 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (1)
812 extern int gdbarch_deprecated_reg_struct_has_addr_p (struct gdbarch
*gdbarch
);
813 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
814 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
816 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
817 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (gdbarch_deprecated_reg_struct_has_addr_p (current_gdbarch))
820 typedef int (gdbarch_deprecated_reg_struct_has_addr_ftype
) (int gcc_p
, struct type
*type
);
821 extern int gdbarch_deprecated_reg_struct_has_addr (struct gdbarch
*gdbarch
, int gcc_p
, struct type
*type
);
822 extern void set_gdbarch_deprecated_reg_struct_has_addr (struct gdbarch
*gdbarch
, gdbarch_deprecated_reg_struct_has_addr_ftype
*deprecated_reg_struct_has_addr
);
823 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
824 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
826 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
827 #define DEPRECATED_REG_STRUCT_HAS_ADDR(gcc_p, type) (gdbarch_deprecated_reg_struct_has_addr (current_gdbarch, gcc_p, type))
830 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
831 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
832 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
834 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
835 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
837 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
838 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
839 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
841 /* On some machines there are bits in addresses which are not really
842 part of the address, but are used by the kernel, the hardware, etc.
843 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
844 we get a "real" address such as one would find in a symbol table.
845 This is used only for addresses of instructions, and even then I'm
846 not sure it's used in all contexts. It exists to deal with there
847 being a few stray bits in the PC which would mislead us, not as some
848 sort of generic thing to handle alignment or segmentation (it's
849 possible it should be in TARGET_READ_PC instead). */
851 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (CORE_ADDR addr
);
852 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
853 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
855 /* It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
856 gdbarch_addr_bits_remove. */
858 typedef CORE_ADDR (gdbarch_smash_text_address_ftype
) (CORE_ADDR addr
);
859 extern CORE_ADDR
gdbarch_smash_text_address (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
860 extern void set_gdbarch_smash_text_address (struct gdbarch
*gdbarch
, gdbarch_smash_text_address_ftype
*smash_text_address
);
861 #if !defined (GDB_TM_FILE) && defined (SMASH_TEXT_ADDRESS)
862 #error "Non multi-arch definition of SMASH_TEXT_ADDRESS"
864 #if !defined (SMASH_TEXT_ADDRESS)
865 #define SMASH_TEXT_ADDRESS(addr) (gdbarch_smash_text_address (current_gdbarch, addr))
868 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
869 indicates if the target needs software single step. An ISA method to
872 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
873 breakpoints using the breakpoint system instead of blatting memory directly
876 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
877 target can single step. If not, then implement single step using breakpoints.
879 A return value of 1 means that the software_single_step breakpoints
880 were inserted; 0 means they were not. */
882 #if defined (SOFTWARE_SINGLE_STEP)
883 /* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
884 #if !defined (SOFTWARE_SINGLE_STEP_P)
885 #define SOFTWARE_SINGLE_STEP_P() (1)
889 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
890 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP_P)
891 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
893 #if !defined (SOFTWARE_SINGLE_STEP_P)
894 #define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
897 typedef int (gdbarch_software_single_step_ftype
) (struct regcache
*regcache
);
898 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
899 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
900 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP)
901 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
903 #if !defined (SOFTWARE_SINGLE_STEP)
904 #define SOFTWARE_SINGLE_STEP(regcache) (gdbarch_software_single_step (current_gdbarch, regcache))
907 /* Return non-zero if the processor is executing a delay slot and a
908 further single-step is needed before the instruction finishes. */
910 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
912 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
913 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
914 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
916 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
917 disassembler. Perhaps objdump can handle it? */
919 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
920 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
921 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
922 #if !defined (GDB_TM_FILE) && defined (TARGET_PRINT_INSN)
923 #error "Non multi-arch definition of TARGET_PRINT_INSN"
925 #if !defined (TARGET_PRINT_INSN)
926 #define TARGET_PRINT_INSN(vma, info) (gdbarch_print_insn (current_gdbarch, vma, info))
929 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (CORE_ADDR pc
);
930 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
931 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
932 #if !defined (GDB_TM_FILE) && defined (SKIP_TRAMPOLINE_CODE)
933 #error "Non multi-arch definition of SKIP_TRAMPOLINE_CODE"
935 #if !defined (SKIP_TRAMPOLINE_CODE)
936 #define SKIP_TRAMPOLINE_CODE(pc) (gdbarch_skip_trampoline_code (current_gdbarch, pc))
939 /* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
940 evaluates non-zero, this is the address where the debugger will place
941 a step-resume breakpoint to get us past the dynamic linker. */
943 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
944 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
945 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
947 /* Some systems also have trampoline code for returning from shared libs. */
949 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (CORE_ADDR pc
, char *name
);
950 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, char *name
);
951 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
952 #if !defined (GDB_TM_FILE) && defined (IN_SOLIB_RETURN_TRAMPOLINE)
953 #error "Non multi-arch definition of IN_SOLIB_RETURN_TRAMPOLINE"
955 #if !defined (IN_SOLIB_RETURN_TRAMPOLINE)
956 #define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) (gdbarch_in_solib_return_trampoline (current_gdbarch, pc, name))
959 /* A target might have problems with watchpoints as soon as the stack
960 frame of the current function has been destroyed. This mostly happens
961 as the first action in a funtion's epilogue. in_function_epilogue_p()
962 is defined to return a non-zero value if either the given addr is one
963 instruction after the stack destroying instruction up to the trailing
964 return instruction or if we can figure out that the stack frame has
965 already been invalidated regardless of the value of addr. Targets
966 which don't suffer from that problem could just let this functionality
969 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
970 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
971 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
973 /* Given a vector of command-line arguments, return a newly allocated
974 string which, when passed to the create_inferior function, will be
975 parsed (on Unix systems, by the shell) to yield the same vector.
976 This function should call error() if the argument vector is not
977 representable for this target or if this target does not support
978 command-line arguments.
979 ARGC is the number of elements in the vector.
980 ARGV is an array of strings, one per argument. */
982 typedef char * (gdbarch_construct_inferior_arguments_ftype
) (struct gdbarch
*gdbarch
, int argc
, char **argv
);
983 extern char * gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, int argc
, char **argv
);
984 extern void set_gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, gdbarch_construct_inferior_arguments_ftype
*construct_inferior_arguments
);
986 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
987 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
988 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
990 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
991 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
992 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
994 extern const char * gdbarch_name_of_malloc (struct gdbarch
*gdbarch
);
995 extern void set_gdbarch_name_of_malloc (struct gdbarch
*gdbarch
, const char * name_of_malloc
);
996 #if !defined (GDB_TM_FILE) && defined (NAME_OF_MALLOC)
997 #error "Non multi-arch definition of NAME_OF_MALLOC"
999 #if !defined (NAME_OF_MALLOC)
1000 #define NAME_OF_MALLOC (gdbarch_name_of_malloc (current_gdbarch))
1003 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
1004 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
1006 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
1007 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
1009 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
1011 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
1012 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
1013 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
1015 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
1017 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
1018 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
1019 extern void set_gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_to_name_ftype
*address_class_type_flags_to_name
);
1021 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
1023 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
1024 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
1025 extern void set_gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_name_to_type_flags_ftype
*address_class_name_to_type_flags
);
1027 /* Is a register in a group */
1029 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
1030 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
1031 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
1033 /* Fetch the pointer to the ith function argument. */
1035 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
1037 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
1038 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
1039 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
1041 /* Return the appropriate register set for a core file section with
1042 name SECT_NAME and size SECT_SIZE. */
1044 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
1046 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
1047 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
1048 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
1050 /* If the elements of C++ vtables are in-place function descriptors rather
1051 than normal function pointers (which may point to code or a descriptor),
1054 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
1055 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
1057 /* Set if the least significant bit of the delta is used instead of the least
1058 significant bit of the pfn for pointers to virtual member functions. */
1060 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
1061 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
1063 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
1065 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
1067 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
1068 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
1069 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
1071 /* Refresh overlay mapped state for section OSECT. */
1073 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
1075 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
1076 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
1077 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
1079 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1082 /* Mechanism for co-ordinating the selection of a specific
1085 GDB targets (*-tdep.c) can register an interest in a specific
1086 architecture. Other GDB components can register a need to maintain
1087 per-architecture data.
1089 The mechanisms below ensures that there is only a loose connection
1090 between the set-architecture command and the various GDB
1091 components. Each component can independently register their need
1092 to maintain architecture specific data with gdbarch.
1096 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1099 The more traditional mega-struct containing architecture specific
1100 data for all the various GDB components was also considered. Since
1101 GDB is built from a variable number of (fairly independent)
1102 components it was determined that the global aproach was not
1106 /* Register a new architectural family with GDB.
1108 Register support for the specified ARCHITECTURE with GDB. When
1109 gdbarch determines that the specified architecture has been
1110 selected, the corresponding INIT function is called.
1114 The INIT function takes two parameters: INFO which contains the
1115 information available to gdbarch about the (possibly new)
1116 architecture; ARCHES which is a list of the previously created
1117 ``struct gdbarch'' for this architecture.
1119 The INFO parameter is, as far as possible, be pre-initialized with
1120 information obtained from INFO.ABFD or the global defaults.
1122 The ARCHES parameter is a linked list (sorted most recently used)
1123 of all the previously created architures for this architecture
1124 family. The (possibly NULL) ARCHES->gdbarch can used to access
1125 values from the previously selected architecture for this
1126 architecture family. The global ``current_gdbarch'' shall not be
1129 The INIT function shall return any of: NULL - indicating that it
1130 doesn't recognize the selected architecture; an existing ``struct
1131 gdbarch'' from the ARCHES list - indicating that the new
1132 architecture is just a synonym for an earlier architecture (see
1133 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1134 - that describes the selected architecture (see gdbarch_alloc()).
1136 The DUMP_TDEP function shall print out all target specific values.
1137 Care should be taken to ensure that the function works in both the
1138 multi-arch and non- multi-arch cases. */
1142 struct gdbarch
*gdbarch
;
1143 struct gdbarch_list
*next
;
1148 /* Use default: NULL (ZERO). */
1149 const struct bfd_arch_info
*bfd_arch_info
;
1151 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1154 /* Use default: NULL (ZERO). */
1157 /* Use default: NULL (ZERO). */
1158 struct gdbarch_tdep_info
*tdep_info
;
1160 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1161 enum gdb_osabi osabi
;
1163 /* Use default: NULL (ZERO). */
1164 const struct target_desc
*target_desc
;
1167 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1168 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1170 /* DEPRECATED - use gdbarch_register() */
1171 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1173 extern void gdbarch_register (enum bfd_architecture architecture
,
1174 gdbarch_init_ftype
*,
1175 gdbarch_dump_tdep_ftype
*);
1178 /* Return a freshly allocated, NULL terminated, array of the valid
1179 architecture names. Since architectures are registered during the
1180 _initialize phase this function only returns useful information
1181 once initialization has been completed. */
1183 extern const char **gdbarch_printable_names (void);
1186 /* Helper function. Search the list of ARCHES for a GDBARCH that
1187 matches the information provided by INFO. */
1189 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1192 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1193 basic initialization using values obtained from the INFO and TDEP
1194 parameters. set_gdbarch_*() functions are called to complete the
1195 initialization of the object. */
1197 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1200 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1201 It is assumed that the caller freeds the ``struct
1204 extern void gdbarch_free (struct gdbarch
*);
1207 /* Helper function. Allocate memory from the ``struct gdbarch''
1208 obstack. The memory is freed when the corresponding architecture
1211 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1212 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1213 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1216 /* Helper function. Force an update of the current architecture.
1218 The actual architecture selected is determined by INFO, ``(gdb) set
1219 architecture'' et.al., the existing architecture and BFD's default
1220 architecture. INFO should be initialized to zero and then selected
1221 fields should be updated.
1223 Returns non-zero if the update succeeds */
1225 extern int gdbarch_update_p (struct gdbarch_info info
);
1228 /* Helper function. Find an architecture matching info.
1230 INFO should be initialized using gdbarch_info_init, relevant fields
1231 set, and then finished using gdbarch_info_fill.
1233 Returns the corresponding architecture, or NULL if no matching
1234 architecture was found. "current_gdbarch" is not updated. */
1236 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1239 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1241 FIXME: kettenis/20031124: Of the functions that follow, only
1242 gdbarch_from_bfd is supposed to survive. The others will
1243 dissappear since in the future GDB will (hopefully) be truly
1244 multi-arch. However, for now we're still stuck with the concept of
1245 a single active architecture. */
1247 extern void deprecated_current_gdbarch_select_hack (struct gdbarch
*gdbarch
);
1250 /* Register per-architecture data-pointer.
1252 Reserve space for a per-architecture data-pointer. An identifier
1253 for the reserved data-pointer is returned. That identifer should
1254 be saved in a local static variable.
1256 Memory for the per-architecture data shall be allocated using
1257 gdbarch_obstack_zalloc. That memory will be deleted when the
1258 corresponding architecture object is deleted.
1260 When a previously created architecture is re-selected, the
1261 per-architecture data-pointer for that previous architecture is
1262 restored. INIT() is not re-called.
1264 Multiple registrarants for any architecture are allowed (and
1265 strongly encouraged). */
1267 struct gdbarch_data
;
1269 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1270 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1271 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1272 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1273 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1274 struct gdbarch_data
*data
,
1277 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1281 /* Register per-architecture memory region.
1283 Provide a memory-region swap mechanism. Per-architecture memory
1284 region are created. These memory regions are swapped whenever the
1285 architecture is changed. For a new architecture, the memory region
1286 is initialized with zero (0) and the INIT function is called.
1288 Memory regions are swapped / initialized in the order that they are
1289 registered. NULL DATA and/or INIT values can be specified.
1291 New code should use gdbarch_data_register_*(). */
1293 typedef void (gdbarch_swap_ftype
) (void);
1294 extern void deprecated_register_gdbarch_swap (void *data
, unsigned long size
, gdbarch_swap_ftype
*init
);
1295 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1299 /* Set the dynamic target-system-dependent parameters (architecture,
1300 byte-order, ...) using information found in the BFD */
1302 extern void set_gdbarch_from_file (bfd
*);
1305 /* Initialize the current architecture to the "first" one we find on
1308 extern void initialize_current_architecture (void);
1310 /* gdbarch trace variable */
1311 extern int gdbarch_debug
;
1313 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);