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
45 struct minimal_symbol;
49 struct disassemble_info;
52 struct bp_target_info;
55 extern struct gdbarch *current_gdbarch;
58 /* The following are pre-initialized by GDBARCH. */
60 extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
61 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
62 #if !defined (GDB_TM_FILE) && defined (TARGET_ARCHITECTURE)
63 #error "Non multi-arch definition of TARGET_ARCHITECTURE"
65 #if !defined (TARGET_ARCHITECTURE)
66 #define TARGET_ARCHITECTURE (gdbarch_bfd_arch_info (current_gdbarch))
69 extern int gdbarch_byte_order (struct gdbarch *gdbarch);
70 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
71 #if !defined (GDB_TM_FILE) && defined (TARGET_BYTE_ORDER)
72 #error "Non multi-arch definition of TARGET_BYTE_ORDER"
74 #if !defined (TARGET_BYTE_ORDER)
75 #define TARGET_BYTE_ORDER (gdbarch_byte_order (current_gdbarch))
78 extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch);
79 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
80 #if !defined (GDB_TM_FILE) && defined (TARGET_OSABI)
81 #error "Non multi-arch definition of TARGET_OSABI"
83 #if !defined (TARGET_OSABI)
84 #define TARGET_OSABI (gdbarch_osabi (current_gdbarch))
87 extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch);
88 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
91 /* The following are initialized by the target dependent code. */
93 /* Number of bits in a char or unsigned char for the target machine.
94 Just like CHAR_BIT in <limits.h> but describes the target machine.
95 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
97 Number of bits in a short or unsigned short for the target machine. */
99 extern int gdbarch_short_bit (struct gdbarch *gdbarch);
100 extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
101 #if !defined (GDB_TM_FILE) && defined (TARGET_SHORT_BIT)
102 #error "Non multi-arch definition of TARGET_SHORT_BIT"
104 #if !defined (TARGET_SHORT_BIT)
105 #define TARGET_SHORT_BIT (gdbarch_short_bit (current_gdbarch))
108 /* Number of bits in an int or unsigned int for the target machine. */
110 extern int gdbarch_int_bit (struct gdbarch *gdbarch);
111 extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
112 #if !defined (GDB_TM_FILE) && defined (TARGET_INT_BIT)
113 #error "Non multi-arch definition of TARGET_INT_BIT"
115 #if !defined (TARGET_INT_BIT)
116 #define TARGET_INT_BIT (gdbarch_int_bit (current_gdbarch))
119 /* Number of bits in a long or unsigned long for the target machine. */
121 extern int gdbarch_long_bit (struct gdbarch *gdbarch);
122 extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
123 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_BIT)
124 #error "Non multi-arch definition of TARGET_LONG_BIT"
126 #if !defined (TARGET_LONG_BIT)
127 #define TARGET_LONG_BIT (gdbarch_long_bit (current_gdbarch))
130 /* Number of bits in a long long or unsigned long long for the target
133 extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
134 extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
135 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_LONG_BIT)
136 #error "Non multi-arch definition of TARGET_LONG_LONG_BIT"
138 #if !defined (TARGET_LONG_LONG_BIT)
139 #define TARGET_LONG_LONG_BIT (gdbarch_long_long_bit (current_gdbarch))
142 /* The ABI default bit-size and format for "float", "double", and "long
143 double". These bit/format pairs should eventually be combined into
144 a single object. For the moment, just initialize them as a pair. */
146 extern int gdbarch_float_bit (struct gdbarch *gdbarch);
147 extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
148 #if !defined (GDB_TM_FILE) && defined (TARGET_FLOAT_BIT)
149 #error "Non multi-arch definition of TARGET_FLOAT_BIT"
151 #if !defined (TARGET_FLOAT_BIT)
152 #define TARGET_FLOAT_BIT (gdbarch_float_bit (current_gdbarch))
155 extern const struct floatformat * gdbarch_float_format (struct gdbarch *gdbarch);
156 extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat * float_format);
157 #if !defined (GDB_TM_FILE) && defined (TARGET_FLOAT_FORMAT)
158 #error "Non multi-arch definition of TARGET_FLOAT_FORMAT"
160 #if !defined (TARGET_FLOAT_FORMAT)
161 #define TARGET_FLOAT_FORMAT (gdbarch_float_format (current_gdbarch))
164 extern int gdbarch_double_bit (struct gdbarch *gdbarch);
165 extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
166 #if !defined (GDB_TM_FILE) && defined (TARGET_DOUBLE_BIT)
167 #error "Non multi-arch definition of TARGET_DOUBLE_BIT"
169 #if !defined (TARGET_DOUBLE_BIT)
170 #define TARGET_DOUBLE_BIT (gdbarch_double_bit (current_gdbarch))
173 extern const struct floatformat * gdbarch_double_format (struct gdbarch *gdbarch);
174 extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat * double_format);
175 #if !defined (GDB_TM_FILE) && defined (TARGET_DOUBLE_FORMAT)
176 #error "Non multi-arch definition of TARGET_DOUBLE_FORMAT"
178 #if !defined (TARGET_DOUBLE_FORMAT)
179 #define TARGET_DOUBLE_FORMAT (gdbarch_double_format (current_gdbarch))
182 extern int gdbarch_long_double_bit (struct gdbarch *gdbarch);
183 extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit);
184 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_DOUBLE_BIT)
185 #error "Non multi-arch definition of TARGET_LONG_DOUBLE_BIT"
187 #if !defined (TARGET_LONG_DOUBLE_BIT)
188 #define TARGET_LONG_DOUBLE_BIT (gdbarch_long_double_bit (current_gdbarch))
191 extern const struct floatformat * gdbarch_long_double_format (struct gdbarch *gdbarch);
192 extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat * long_double_format);
193 #if !defined (GDB_TM_FILE) && defined (TARGET_LONG_DOUBLE_FORMAT)
194 #error "Non multi-arch definition of TARGET_LONG_DOUBLE_FORMAT"
196 #if !defined (TARGET_LONG_DOUBLE_FORMAT)
197 #define TARGET_LONG_DOUBLE_FORMAT (gdbarch_long_double_format (current_gdbarch))
200 /* For most targets, a pointer on the target and its representation as an
201 address in GDB have the same size and "look the same". For such a
202 target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
203 / addr_bit will be set from it.
205 If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
206 also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
208 ptr_bit is the size of a pointer on the target */
210 extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
211 extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
212 #if !defined (GDB_TM_FILE) && defined (TARGET_PTR_BIT)
213 #error "Non multi-arch definition of TARGET_PTR_BIT"
215 #if !defined (TARGET_PTR_BIT)
216 #define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
219 /* addr_bit is the size of a target address as represented in gdb */
221 extern int gdbarch_addr_bit (struct gdbarch *gdbarch);
222 extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit);
223 #if !defined (GDB_TM_FILE) && defined (TARGET_ADDR_BIT)
224 #error "Non multi-arch definition of TARGET_ADDR_BIT"
226 #if !defined (TARGET_ADDR_BIT)
227 #define TARGET_ADDR_BIT (gdbarch_addr_bit (current_gdbarch))
230 /* Number of bits in a BFD_VMA for the target object file format. */
232 extern int gdbarch_bfd_vma_bit (struct gdbarch *gdbarch);
233 extern void set_gdbarch_bfd_vma_bit (struct gdbarch *gdbarch, int bfd_vma_bit);
234 #if !defined (GDB_TM_FILE) && defined (TARGET_BFD_VMA_BIT)
235 #error "Non multi-arch definition of TARGET_BFD_VMA_BIT"
237 #if !defined (TARGET_BFD_VMA_BIT)
238 #define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
241 /* One if `char' acts like `signed char', zero if `unsigned char'. */
243 extern int gdbarch_char_signed (struct gdbarch *gdbarch);
244 extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed);
245 #if !defined (GDB_TM_FILE) && defined (TARGET_CHAR_SIGNED)
246 #error "Non multi-arch definition of TARGET_CHAR_SIGNED"
248 #if !defined (TARGET_CHAR_SIGNED)
249 #define TARGET_CHAR_SIGNED (gdbarch_char_signed (current_gdbarch))
252 #if defined (TARGET_READ_PC)
253 /* Legacy for systems yet to multi-arch TARGET_READ_PC */
254 #if !defined (TARGET_READ_PC_P)
255 #define TARGET_READ_PC_P() (1)
259 extern int gdbarch_read_pc_p (struct gdbarch *gdbarch);
260 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC_P)
261 #error "Non multi-arch definition of TARGET_READ_PC"
263 #if !defined (TARGET_READ_PC_P)
264 #define TARGET_READ_PC_P() (gdbarch_read_pc_p (current_gdbarch))
267 typedef CORE_ADDR (gdbarch_read_pc_ftype) (ptid_t ptid);
268 extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, ptid_t ptid);
269 extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
270 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC)
271 #error "Non multi-arch definition of TARGET_READ_PC"
273 #if !defined (TARGET_READ_PC)
274 #define TARGET_READ_PC(ptid) (gdbarch_read_pc (current_gdbarch, ptid))
277 typedef void (gdbarch_write_pc_ftype) (CORE_ADDR val, ptid_t ptid);
278 extern void gdbarch_write_pc (struct gdbarch *gdbarch, CORE_ADDR val, ptid_t ptid);
279 extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
280 #if !defined (GDB_TM_FILE) && defined (TARGET_WRITE_PC)
281 #error "Non multi-arch definition of TARGET_WRITE_PC"
283 #if !defined (TARGET_WRITE_PC)
284 #define TARGET_WRITE_PC(val, ptid) (gdbarch_write_pc (current_gdbarch, val, ptid))
287 /* UNWIND_SP is a direct replacement for TARGET_READ_SP. */
289 #if defined (TARGET_READ_SP)
290 /* Legacy for systems yet to multi-arch TARGET_READ_SP */
291 #if !defined (TARGET_READ_SP_P)
292 #define TARGET_READ_SP_P() (1)
296 extern int gdbarch_read_sp_p (struct gdbarch *gdbarch);
297 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_SP_P)
298 #error "Non multi-arch definition of TARGET_READ_SP"
300 #if !defined (TARGET_READ_SP_P)
301 #define TARGET_READ_SP_P() (gdbarch_read_sp_p (current_gdbarch))
304 typedef CORE_ADDR (gdbarch_read_sp_ftype) (void);
305 extern CORE_ADDR gdbarch_read_sp (struct gdbarch *gdbarch);
306 extern void set_gdbarch_read_sp (struct gdbarch *gdbarch, gdbarch_read_sp_ftype *read_sp);
307 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_SP)
308 #error "Non multi-arch definition of TARGET_READ_SP"
310 #if !defined (TARGET_READ_SP)
311 #define TARGET_READ_SP() (gdbarch_read_sp (current_gdbarch))
314 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
315 whole scheme for dealing with "frames" and "frame pointers" needs a
316 serious shakedown. */
318 typedef void (gdbarch_virtual_frame_pointer_ftype) (CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
319 extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
320 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
321 #if !defined (GDB_TM_FILE) && defined (TARGET_VIRTUAL_FRAME_POINTER)
322 #error "Non multi-arch definition of TARGET_VIRTUAL_FRAME_POINTER"
324 #if !defined (TARGET_VIRTUAL_FRAME_POINTER)
325 #define TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset) (gdbarch_virtual_frame_pointer (current_gdbarch, pc, frame_regnum, frame_offset))
328 extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch);
330 typedef void (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
331 extern void gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
332 extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read);
334 extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch);
336 typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
337 extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
338 extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write);
340 extern int gdbarch_num_regs (struct gdbarch *gdbarch);
341 extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs);
342 #if !defined (GDB_TM_FILE) && defined (NUM_REGS)
343 #error "Non multi-arch definition of NUM_REGS"
345 #if !defined (NUM_REGS)
346 #define NUM_REGS (gdbarch_num_regs (current_gdbarch))
349 /* This macro gives the number of pseudo-registers that live in the
350 register namespace but do not get fetched or stored on the target.
351 These pseudo-registers may be aliases for other registers,
352 combinations of other registers, or they may be computed by GDB. */
354 extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch);
355 extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs);
356 #if !defined (GDB_TM_FILE) && defined (NUM_PSEUDO_REGS)
357 #error "Non multi-arch definition of NUM_PSEUDO_REGS"
359 #if !defined (NUM_PSEUDO_REGS)
360 #define NUM_PSEUDO_REGS (gdbarch_num_pseudo_regs (current_gdbarch))
363 /* GDB's standard (or well known) register numbers. These can map onto
364 a real register or a pseudo (computed) register or not be defined at
366 SP_REGNUM will hopefully be replaced by UNWIND_SP. */
368 extern int gdbarch_sp_regnum (struct gdbarch *gdbarch);
369 extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum);
370 #if !defined (GDB_TM_FILE) && defined (SP_REGNUM)
371 #error "Non multi-arch definition of SP_REGNUM"
373 #if !defined (SP_REGNUM)
374 #define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
377 extern int gdbarch_pc_regnum (struct gdbarch *gdbarch);
378 extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
379 #if !defined (GDB_TM_FILE) && defined (PC_REGNUM)
380 #error "Non multi-arch definition of PC_REGNUM"
382 #if !defined (PC_REGNUM)
383 #define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
386 extern int gdbarch_ps_regnum (struct gdbarch *gdbarch);
387 extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum);
388 #if !defined (GDB_TM_FILE) && defined (PS_REGNUM)
389 #error "Non multi-arch definition of PS_REGNUM"
391 #if !defined (PS_REGNUM)
392 #define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch))
395 extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch);
396 extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum);
397 #if !defined (GDB_TM_FILE) && defined (FP0_REGNUM)
398 #error "Non multi-arch definition of FP0_REGNUM"
400 #if !defined (FP0_REGNUM)
401 #define FP0_REGNUM (gdbarch_fp0_regnum (current_gdbarch))
404 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
406 typedef int (gdbarch_stab_reg_to_regnum_ftype) (int stab_regnr);
407 extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
408 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
409 #if !defined (GDB_TM_FILE) && defined (STAB_REG_TO_REGNUM)
410 #error "Non multi-arch definition of STAB_REG_TO_REGNUM"
412 #if !defined (STAB_REG_TO_REGNUM)
413 #define STAB_REG_TO_REGNUM(stab_regnr) (gdbarch_stab_reg_to_regnum (current_gdbarch, stab_regnr))
416 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
418 typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (int ecoff_regnr);
419 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
420 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
421 #if !defined (GDB_TM_FILE) && defined (ECOFF_REG_TO_REGNUM)
422 #error "Non multi-arch definition of ECOFF_REG_TO_REGNUM"
424 #if !defined (ECOFF_REG_TO_REGNUM)
425 #define ECOFF_REG_TO_REGNUM(ecoff_regnr) (gdbarch_ecoff_reg_to_regnum (current_gdbarch, ecoff_regnr))
428 /* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
430 typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (int dwarf_regnr);
431 extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
432 extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
433 #if !defined (GDB_TM_FILE) && defined (DWARF_REG_TO_REGNUM)
434 #error "Non multi-arch definition of DWARF_REG_TO_REGNUM"
436 #if !defined (DWARF_REG_TO_REGNUM)
437 #define DWARF_REG_TO_REGNUM(dwarf_regnr) (gdbarch_dwarf_reg_to_regnum (current_gdbarch, dwarf_regnr))
440 /* Convert from an sdb register number to an internal gdb register number. */
442 typedef int (gdbarch_sdb_reg_to_regnum_ftype) (int sdb_regnr);
443 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
444 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
445 #if !defined (GDB_TM_FILE) && defined (SDB_REG_TO_REGNUM)
446 #error "Non multi-arch definition of SDB_REG_TO_REGNUM"
448 #if !defined (SDB_REG_TO_REGNUM)
449 #define SDB_REG_TO_REGNUM(sdb_regnr) (gdbarch_sdb_reg_to_regnum (current_gdbarch, sdb_regnr))
452 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (int dwarf2_regnr);
453 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
454 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
455 #if !defined (GDB_TM_FILE) && defined (DWARF2_REG_TO_REGNUM)
456 #error "Non multi-arch definition of DWARF2_REG_TO_REGNUM"
458 #if !defined (DWARF2_REG_TO_REGNUM)
459 #define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (gdbarch_dwarf2_reg_to_regnum (current_gdbarch, dwarf2_regnr))
462 typedef const char * (gdbarch_register_name_ftype) (int regnr);
463 extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr);
464 extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
465 #if !defined (GDB_TM_FILE) && defined (REGISTER_NAME)
466 #error "Non multi-arch definition of REGISTER_NAME"
468 #if !defined (REGISTER_NAME)
469 #define REGISTER_NAME(regnr) (gdbarch_register_name (current_gdbarch, regnr))
472 /* Return the type of a register specified by the architecture. Only
473 the register cache should call this function directly; others should
474 use "register_type". */
476 extern int gdbarch_register_type_p (struct gdbarch *gdbarch);
478 typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr);
479 extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr);
480 extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type);
482 /* If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
483 register offsets computed using just REGISTER_TYPE, this can be
484 deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
485 function with predicate has a valid (callable) initial value. As a
486 consequence, even when the predicate is false, the corresponding
487 function works. This simplifies the migration process - old code,
488 calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified. */
490 #if defined (DEPRECATED_REGISTER_BYTE)
491 /* Legacy for systems yet to multi-arch DEPRECATED_REGISTER_BYTE */
492 #if !defined (DEPRECATED_REGISTER_BYTE_P)
493 #define DEPRECATED_REGISTER_BYTE_P() (1)
497 extern int gdbarch_deprecated_register_byte_p (struct gdbarch *gdbarch);
498 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_BYTE_P)
499 #error "Non multi-arch definition of DEPRECATED_REGISTER_BYTE"
501 #if !defined (DEPRECATED_REGISTER_BYTE_P)
502 #define DEPRECATED_REGISTER_BYTE_P() (gdbarch_deprecated_register_byte_p (current_gdbarch))
505 typedef int (gdbarch_deprecated_register_byte_ftype) (int reg_nr);
506 extern int gdbarch_deprecated_register_byte (struct gdbarch *gdbarch, int reg_nr);
507 extern void set_gdbarch_deprecated_register_byte (struct gdbarch *gdbarch, gdbarch_deprecated_register_byte_ftype *deprecated_register_byte);
508 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_BYTE)
509 #error "Non multi-arch definition of DEPRECATED_REGISTER_BYTE"
511 #if !defined (DEPRECATED_REGISTER_BYTE)
512 #define DEPRECATED_REGISTER_BYTE(reg_nr) (gdbarch_deprecated_register_byte (current_gdbarch, reg_nr))
515 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
517 extern int gdbarch_unwind_dummy_id_p (struct gdbarch *gdbarch);
519 typedef struct frame_id (gdbarch_unwind_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *info);
520 extern struct frame_id gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *info);
521 extern void set_gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, gdbarch_unwind_dummy_id_ftype *unwind_dummy_id);
523 /* Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
524 DEPRECATED_FP_REGNUM. */
526 extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch);
527 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum);
528 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FP_REGNUM)
529 #error "Non multi-arch definition of DEPRECATED_FP_REGNUM"
531 #if !defined (DEPRECATED_FP_REGNUM)
532 #define DEPRECATED_FP_REGNUM (gdbarch_deprecated_fp_regnum (current_gdbarch))
535 /* See gdbint.texinfo. See infcall.c. */
537 extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch);
539 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);
540 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);
541 extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call);
543 /* DEPRECATED_REGISTER_SIZE can be deleted. */
545 extern int gdbarch_deprecated_register_size (struct gdbarch *gdbarch);
546 extern void set_gdbarch_deprecated_register_size (struct gdbarch *gdbarch, int deprecated_register_size);
547 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_SIZE)
548 #error "Non multi-arch definition of DEPRECATED_REGISTER_SIZE"
550 #if !defined (DEPRECATED_REGISTER_SIZE)
551 #define DEPRECATED_REGISTER_SIZE (gdbarch_deprecated_register_size (current_gdbarch))
554 extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch);
555 extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location);
556 #if !defined (GDB_TM_FILE) && defined (CALL_DUMMY_LOCATION)
557 #error "Non multi-arch definition of CALL_DUMMY_LOCATION"
559 #if !defined (CALL_DUMMY_LOCATION)
560 #define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch))
563 extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch);
565 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);
566 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);
567 extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code);
569 typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all);
570 extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all);
571 extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info);
573 extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch);
575 typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
576 extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
577 extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
579 extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch);
581 typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
582 extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
583 extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info);
585 /* MAP a GDB RAW register number onto a simulator register number. See
586 also include/...-sim.h. */
588 typedef int (gdbarch_register_sim_regno_ftype) (int reg_nr);
589 extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
590 extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
591 #if !defined (GDB_TM_FILE) && defined (REGISTER_SIM_REGNO)
592 #error "Non multi-arch definition of REGISTER_SIM_REGNO"
594 #if !defined (REGISTER_SIM_REGNO)
595 #define REGISTER_SIM_REGNO(reg_nr) (gdbarch_register_sim_regno (current_gdbarch, reg_nr))
598 #if defined (REGISTER_BYTES_OK)
599 /* Legacy for systems yet to multi-arch REGISTER_BYTES_OK */
600 #if !defined (REGISTER_BYTES_OK_P)
601 #define REGISTER_BYTES_OK_P() (1)
605 extern int gdbarch_register_bytes_ok_p (struct gdbarch *gdbarch);
606 #if !defined (GDB_TM_FILE) && defined (REGISTER_BYTES_OK_P)
607 #error "Non multi-arch definition of REGISTER_BYTES_OK"
609 #if !defined (REGISTER_BYTES_OK_P)
610 #define REGISTER_BYTES_OK_P() (gdbarch_register_bytes_ok_p (current_gdbarch))
613 typedef int (gdbarch_register_bytes_ok_ftype) (long nr_bytes);
614 extern int gdbarch_register_bytes_ok (struct gdbarch *gdbarch, long nr_bytes);
615 extern void set_gdbarch_register_bytes_ok (struct gdbarch *gdbarch, gdbarch_register_bytes_ok_ftype *register_bytes_ok);
616 #if !defined (GDB_TM_FILE) && defined (REGISTER_BYTES_OK)
617 #error "Non multi-arch definition of REGISTER_BYTES_OK"
619 #if !defined (REGISTER_BYTES_OK)
620 #define REGISTER_BYTES_OK(nr_bytes) (gdbarch_register_bytes_ok (current_gdbarch, nr_bytes))
623 typedef int (gdbarch_cannot_fetch_register_ftype) (int regnum);
624 extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum);
625 extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register);
626 #if !defined (GDB_TM_FILE) && defined (CANNOT_FETCH_REGISTER)
627 #error "Non multi-arch definition of CANNOT_FETCH_REGISTER"
629 #if !defined (CANNOT_FETCH_REGISTER)
630 #define CANNOT_FETCH_REGISTER(regnum) (gdbarch_cannot_fetch_register (current_gdbarch, regnum))
633 typedef int (gdbarch_cannot_store_register_ftype) (int regnum);
634 extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
635 extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
636 #if !defined (GDB_TM_FILE) && defined (CANNOT_STORE_REGISTER)
637 #error "Non multi-arch definition of CANNOT_STORE_REGISTER"
639 #if !defined (CANNOT_STORE_REGISTER)
640 #define CANNOT_STORE_REGISTER(regnum) (gdbarch_cannot_store_register (current_gdbarch, regnum))
643 /* setjmp/longjmp support. */
645 #if defined (GET_LONGJMP_TARGET)
646 /* Legacy for systems yet to multi-arch GET_LONGJMP_TARGET */
647 #if !defined (GET_LONGJMP_TARGET_P)
648 #define GET_LONGJMP_TARGET_P() (1)
652 extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
653 #if !defined (GDB_TM_FILE) && defined (GET_LONGJMP_TARGET_P)
654 #error "Non multi-arch definition of GET_LONGJMP_TARGET"
656 #if !defined (GET_LONGJMP_TARGET_P)
657 #define GET_LONGJMP_TARGET_P() (gdbarch_get_longjmp_target_p (current_gdbarch))
660 typedef int (gdbarch_get_longjmp_target_ftype) (CORE_ADDR *pc);
661 extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, CORE_ADDR *pc);
662 extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
663 #if !defined (GDB_TM_FILE) && defined (GET_LONGJMP_TARGET)
664 #error "Non multi-arch definition of GET_LONGJMP_TARGET"
666 #if !defined (GET_LONGJMP_TARGET)
667 #define GET_LONGJMP_TARGET(pc) (gdbarch_get_longjmp_target (current_gdbarch, pc))
670 extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch);
671 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
672 #if !defined (GDB_TM_FILE) && defined (BELIEVE_PCC_PROMOTION)
673 #error "Non multi-arch definition of BELIEVE_PCC_PROMOTION"
675 #if !defined (BELIEVE_PCC_PROMOTION)
676 #define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
679 typedef int (gdbarch_convert_register_p_ftype) (int regnum, struct type *type);
680 extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type);
681 extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p);
682 #if !defined (GDB_TM_FILE) && defined (CONVERT_REGISTER_P)
683 #error "Non multi-arch definition of CONVERT_REGISTER_P"
685 #if !defined (CONVERT_REGISTER_P)
686 #define CONVERT_REGISTER_P(regnum, type) (gdbarch_convert_register_p (current_gdbarch, regnum, type))
689 typedef void (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf);
690 extern void gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf);
691 extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value);
692 #if !defined (GDB_TM_FILE) && defined (REGISTER_TO_VALUE)
693 #error "Non multi-arch definition of REGISTER_TO_VALUE"
695 #if !defined (REGISTER_TO_VALUE)
696 #define REGISTER_TO_VALUE(frame, regnum, type, buf) (gdbarch_register_to_value (current_gdbarch, frame, regnum, type, buf))
699 typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf);
700 extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf);
701 extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register);
702 #if !defined (GDB_TM_FILE) && defined (VALUE_TO_REGISTER)
703 #error "Non multi-arch definition of VALUE_TO_REGISTER"
705 #if !defined (VALUE_TO_REGISTER)
706 #define VALUE_TO_REGISTER(frame, regnum, type, buf) (gdbarch_value_to_register (current_gdbarch, frame, regnum, type, buf))
709 /* Construct a value representing the contents of register REGNUM in
710 frame FRAME, interpreted as type TYPE. The routine needs to
711 allocate and return a struct value with all value attributes
712 (but not the value contents) filled in. */
714 typedef struct value * (gdbarch_value_from_register_ftype) (struct type *type, int regnum, struct frame_info *frame);
715 extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame);
716 extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register);
718 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct type *type, const gdb_byte *buf);
719 extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
720 extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address);
721 #if !defined (GDB_TM_FILE) && defined (POINTER_TO_ADDRESS)
722 #error "Non multi-arch definition of POINTER_TO_ADDRESS"
724 #if !defined (POINTER_TO_ADDRESS)
725 #define POINTER_TO_ADDRESS(type, buf) (gdbarch_pointer_to_address (current_gdbarch, type, buf))
728 typedef void (gdbarch_address_to_pointer_ftype) (struct type *type, gdb_byte *buf, CORE_ADDR addr);
729 extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
730 extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer);
731 #if !defined (GDB_TM_FILE) && defined (ADDRESS_TO_POINTER)
732 #error "Non multi-arch definition of ADDRESS_TO_POINTER"
734 #if !defined (ADDRESS_TO_POINTER)
735 #define ADDRESS_TO_POINTER(type, buf, addr) (gdbarch_address_to_pointer (current_gdbarch, type, buf, addr))
738 extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch);
740 typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
741 extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
742 extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
744 /* NOTE: kettenis/2005-09-01: Replaced by PUSH_DUMMY_CALL. */
746 #if defined (DEPRECATED_STORE_STRUCT_RETURN)
747 /* Legacy for systems yet to multi-arch DEPRECATED_STORE_STRUCT_RETURN */
748 #if !defined (DEPRECATED_STORE_STRUCT_RETURN_P)
749 #define DEPRECATED_STORE_STRUCT_RETURN_P() (1)
753 extern int gdbarch_deprecated_store_struct_return_p (struct gdbarch *gdbarch);
754 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_STORE_STRUCT_RETURN_P)
755 #error "Non multi-arch definition of DEPRECATED_STORE_STRUCT_RETURN"
757 #if !defined (DEPRECATED_STORE_STRUCT_RETURN_P)
758 #define DEPRECATED_STORE_STRUCT_RETURN_P() (gdbarch_deprecated_store_struct_return_p (current_gdbarch))
761 typedef void (gdbarch_deprecated_store_struct_return_ftype) (CORE_ADDR addr, CORE_ADDR sp);
762 extern void gdbarch_deprecated_store_struct_return (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR sp);
763 extern void set_gdbarch_deprecated_store_struct_return (struct gdbarch *gdbarch, gdbarch_deprecated_store_struct_return_ftype *deprecated_store_struct_return);
764 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_STORE_STRUCT_RETURN)
765 #error "Non multi-arch definition of DEPRECATED_STORE_STRUCT_RETURN"
767 #if !defined (DEPRECATED_STORE_STRUCT_RETURN)
768 #define DEPRECATED_STORE_STRUCT_RETURN(addr, sp) (gdbarch_deprecated_store_struct_return (current_gdbarch, addr, sp))
771 /* It has been suggested that this, well actually its predecessor,
772 should take the type/value of the function to be called and not the
773 return type. This is left as an exercise for the reader.
774 NOTE: cagney/2004-06-13: The function stack.c:return_command uses
775 the predicate with default hack to avoid calling STORE_RETURN_VALUE
776 (via legacy_return_value), when a small struct is involved. */
778 extern int gdbarch_return_value_p (struct gdbarch *gdbarch);
780 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);
781 extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
782 extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value);
784 /* The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE,
785 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
786 DEPRECATED_USE_STRUCT_CONVENTION have all been folded into
789 typedef void (gdbarch_extract_return_value_ftype) (struct type *type, struct regcache *regcache, gdb_byte *valbuf);
790 extern void gdbarch_extract_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, gdb_byte *valbuf);
791 extern void set_gdbarch_extract_return_value (struct gdbarch *gdbarch, gdbarch_extract_return_value_ftype *extract_return_value);
792 #if !defined (GDB_TM_FILE) && defined (EXTRACT_RETURN_VALUE)
793 #error "Non multi-arch definition of EXTRACT_RETURN_VALUE"
795 #if !defined (EXTRACT_RETURN_VALUE)
796 #define EXTRACT_RETURN_VALUE(type, regcache, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regcache, valbuf))
799 typedef void (gdbarch_store_return_value_ftype) (struct type *type, struct regcache *regcache, const gdb_byte *valbuf);
800 extern void gdbarch_store_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, const gdb_byte *valbuf);
801 extern void set_gdbarch_store_return_value (struct gdbarch *gdbarch, gdbarch_store_return_value_ftype *store_return_value);
802 #if !defined (GDB_TM_FILE) && defined (STORE_RETURN_VALUE)
803 #error "Non multi-arch definition of STORE_RETURN_VALUE"
805 #if !defined (STORE_RETURN_VALUE)
806 #define STORE_RETURN_VALUE(type, regcache, valbuf) (gdbarch_store_return_value (current_gdbarch, type, regcache, valbuf))
809 typedef int (gdbarch_deprecated_use_struct_convention_ftype) (int gcc_p, struct type *value_type);
810 extern int gdbarch_deprecated_use_struct_convention (struct gdbarch *gdbarch, int gcc_p, struct type *value_type);
811 extern void set_gdbarch_deprecated_use_struct_convention (struct gdbarch *gdbarch, gdbarch_deprecated_use_struct_convention_ftype *deprecated_use_struct_convention);
812 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_USE_STRUCT_CONVENTION)
813 #error "Non multi-arch definition of DEPRECATED_USE_STRUCT_CONVENTION"
815 #if !defined (DEPRECATED_USE_STRUCT_CONVENTION)
816 #define DEPRECATED_USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_deprecated_use_struct_convention (current_gdbarch, gcc_p, value_type))
819 /* As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
820 ABI suitable for the implementation of a robust extract
821 struct-convention return-value address method (the sparc saves the
822 address in the callers frame). All the other cases so far examined,
823 the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
824 erreneous - the code was incorrectly assuming that the return-value
825 address, stored in a register, was preserved across the entire
827 For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
828 the ABIs that are still to be analyzed - perhaps this should simply
829 be deleted. The commented out extract_returned_value_address method
830 is provided as a starting point for the 32-bit SPARC. It, or
831 something like it, along with changes to both infcmd.c and stack.c
832 will be needed for that case to work. NB: It is passed the callers
833 frame since it is only after the callee has returned that this
835 M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame */
837 #if defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
838 /* Legacy for systems yet to multi-arch DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS */
839 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
840 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
844 extern int gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch *gdbarch);
845 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
846 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
848 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
849 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_deprecated_extract_struct_value_address_p (current_gdbarch))
852 typedef CORE_ADDR (gdbarch_deprecated_extract_struct_value_address_ftype) (struct regcache *regcache);
853 extern CORE_ADDR gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, struct regcache *regcache);
854 extern void set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, gdbarch_deprecated_extract_struct_value_address_ftype *deprecated_extract_struct_value_address);
855 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
856 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
858 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
859 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regcache) (gdbarch_deprecated_extract_struct_value_address (current_gdbarch, regcache))
862 typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (CORE_ADDR ip);
863 extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
864 extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
865 #if !defined (GDB_TM_FILE) && defined (SKIP_PROLOGUE)
866 #error "Non multi-arch definition of SKIP_PROLOGUE"
868 #if !defined (SKIP_PROLOGUE)
869 #define SKIP_PROLOGUE(ip) (gdbarch_skip_prologue (current_gdbarch, ip))
872 typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
873 extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
874 extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
875 #if !defined (GDB_TM_FILE) && defined (INNER_THAN)
876 #error "Non multi-arch definition of INNER_THAN"
878 #if !defined (INNER_THAN)
879 #define INNER_THAN(lhs, rhs) (gdbarch_inner_than (current_gdbarch, lhs, rhs))
882 typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
883 extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
884 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
885 #if !defined (GDB_TM_FILE) && defined (BREAKPOINT_FROM_PC)
886 #error "Non multi-arch definition of BREAKPOINT_FROM_PC"
888 #if !defined (BREAKPOINT_FROM_PC)
889 #define BREAKPOINT_FROM_PC(pcptr, lenptr) (gdbarch_breakpoint_from_pc (current_gdbarch, pcptr, lenptr))
892 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch);
894 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
895 extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
896 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address);
898 typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct bp_target_info *bp_tgt);
899 extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
900 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
901 #if !defined (GDB_TM_FILE) && defined (MEMORY_INSERT_BREAKPOINT)
902 #error "Non multi-arch definition of MEMORY_INSERT_BREAKPOINT"
904 #if !defined (MEMORY_INSERT_BREAKPOINT)
905 #define MEMORY_INSERT_BREAKPOINT(bp_tgt) (gdbarch_memory_insert_breakpoint (current_gdbarch, bp_tgt))
908 typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct bp_target_info *bp_tgt);
909 extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
910 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
911 #if !defined (GDB_TM_FILE) && defined (MEMORY_REMOVE_BREAKPOINT)
912 #error "Non multi-arch definition of MEMORY_REMOVE_BREAKPOINT"
914 #if !defined (MEMORY_REMOVE_BREAKPOINT)
915 #define MEMORY_REMOVE_BREAKPOINT(bp_tgt) (gdbarch_memory_remove_breakpoint (current_gdbarch, bp_tgt))
918 extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch);
919 extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break);
920 #if !defined (GDB_TM_FILE) && defined (DECR_PC_AFTER_BREAK)
921 #error "Non multi-arch definition of DECR_PC_AFTER_BREAK"
923 #if !defined (DECR_PC_AFTER_BREAK)
924 #define DECR_PC_AFTER_BREAK (gdbarch_decr_pc_after_break (current_gdbarch))
927 /* A function can be addressed by either it's "pointer" (possibly a
928 descriptor address) or "entry point" (first executable instruction).
929 The method "convert_from_func_ptr_addr" converting the former to the
930 latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement
931 a simplified subset of that functionality - the function's address
932 corresponds to the "function pointer" and the function's start
933 corresponds to the "function entry point" - and hence is redundant. */
935 extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch);
936 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset);
937 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FUNCTION_START_OFFSET)
938 #error "Non multi-arch definition of DEPRECATED_FUNCTION_START_OFFSET"
940 #if !defined (DEPRECATED_FUNCTION_START_OFFSET)
941 #define DEPRECATED_FUNCTION_START_OFFSET (gdbarch_deprecated_function_start_offset (current_gdbarch))
944 typedef void (gdbarch_remote_translate_xfer_address_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
945 extern void gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
946 extern void set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address);
948 /* Fetch the target specific address used to represent a load module. */
950 #if defined (FETCH_TLS_LOAD_MODULE_ADDRESS)
951 /* Legacy for systems yet to multi-arch FETCH_TLS_LOAD_MODULE_ADDRESS */
952 #if !defined (FETCH_TLS_LOAD_MODULE_ADDRESS_P)
953 #define FETCH_TLS_LOAD_MODULE_ADDRESS_P() (1)
957 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch);
958 #if !defined (GDB_TM_FILE) && defined (FETCH_TLS_LOAD_MODULE_ADDRESS_P)
959 #error "Non multi-arch definition of FETCH_TLS_LOAD_MODULE_ADDRESS"
961 #if !defined (FETCH_TLS_LOAD_MODULE_ADDRESS_P)
962 #define FETCH_TLS_LOAD_MODULE_ADDRESS_P() (gdbarch_fetch_tls_load_module_address_p (current_gdbarch))
965 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile);
966 extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile);
967 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address);
968 #if !defined (GDB_TM_FILE) && defined (FETCH_TLS_LOAD_MODULE_ADDRESS)
969 #error "Non multi-arch definition of FETCH_TLS_LOAD_MODULE_ADDRESS"
971 #if !defined (FETCH_TLS_LOAD_MODULE_ADDRESS)
972 #define FETCH_TLS_LOAD_MODULE_ADDRESS(objfile) (gdbarch_fetch_tls_load_module_address (current_gdbarch, objfile))
975 extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch);
976 extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip);
977 #if !defined (GDB_TM_FILE) && defined (FRAME_ARGS_SKIP)
978 #error "Non multi-arch definition of FRAME_ARGS_SKIP"
980 #if !defined (FRAME_ARGS_SKIP)
981 #define FRAME_ARGS_SKIP (gdbarch_frame_args_skip (current_gdbarch))
984 extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch);
986 typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame);
987 extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame);
988 extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc);
990 extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch);
992 typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame);
993 extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame);
994 extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp);
996 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
997 frame-base. Enable frame-base before frame-unwind. */
999 #if defined (FRAME_NUM_ARGS)
1000 /* Legacy for systems yet to multi-arch FRAME_NUM_ARGS */
1001 #if !defined (FRAME_NUM_ARGS_P)
1002 #define FRAME_NUM_ARGS_P() (1)
1006 extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch);
1007 #if !defined (GDB_TM_FILE) && defined (FRAME_NUM_ARGS_P)
1008 #error "Non multi-arch definition of FRAME_NUM_ARGS"
1010 #if !defined (FRAME_NUM_ARGS_P)
1011 #define FRAME_NUM_ARGS_P() (gdbarch_frame_num_args_p (current_gdbarch))
1014 typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame);
1015 extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame);
1016 extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);
1017 #if !defined (GDB_TM_FILE) && defined (FRAME_NUM_ARGS)
1018 #error "Non multi-arch definition of FRAME_NUM_ARGS"
1020 #if !defined (FRAME_NUM_ARGS)
1021 #define FRAME_NUM_ARGS(frame) (gdbarch_frame_num_args (current_gdbarch, frame))
1024 /* DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
1025 to frame_align and the requirement that methods such as
1026 push_dummy_call and frame_red_zone_size maintain correct stack/frame
1029 #if defined (DEPRECATED_STACK_ALIGN)
1030 /* Legacy for systems yet to multi-arch DEPRECATED_STACK_ALIGN */
1031 #if !defined (DEPRECATED_STACK_ALIGN_P)
1032 #define DEPRECATED_STACK_ALIGN_P() (1)
1036 extern int gdbarch_deprecated_stack_align_p (struct gdbarch *gdbarch);
1037 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_STACK_ALIGN_P)
1038 #error "Non multi-arch definition of DEPRECATED_STACK_ALIGN"
1040 #if !defined (DEPRECATED_STACK_ALIGN_P)
1041 #define DEPRECATED_STACK_ALIGN_P() (gdbarch_deprecated_stack_align_p (current_gdbarch))
1044 typedef CORE_ADDR (gdbarch_deprecated_stack_align_ftype) (CORE_ADDR sp);
1045 extern CORE_ADDR gdbarch_deprecated_stack_align (struct gdbarch *gdbarch, CORE_ADDR sp);
1046 extern void set_gdbarch_deprecated_stack_align (struct gdbarch *gdbarch, gdbarch_deprecated_stack_align_ftype *deprecated_stack_align);
1047 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_STACK_ALIGN)
1048 #error "Non multi-arch definition of DEPRECATED_STACK_ALIGN"
1050 #if !defined (DEPRECATED_STACK_ALIGN)
1051 #define DEPRECATED_STACK_ALIGN(sp) (gdbarch_deprecated_stack_align (current_gdbarch, sp))
1054 extern int gdbarch_frame_align_p (struct gdbarch *gdbarch);
1056 typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address);
1057 extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address);
1058 extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align);
1060 /* DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
1061 stabs_argument_has_addr. */
1063 #if defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
1064 /* Legacy for systems yet to multi-arch DEPRECATED_REG_STRUCT_HAS_ADDR */
1065 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
1066 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (1)
1070 extern int gdbarch_deprecated_reg_struct_has_addr_p (struct gdbarch *gdbarch);
1071 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
1072 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
1074 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
1075 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (gdbarch_deprecated_reg_struct_has_addr_p (current_gdbarch))
1078 typedef int (gdbarch_deprecated_reg_struct_has_addr_ftype) (int gcc_p, struct type *type);
1079 extern int gdbarch_deprecated_reg_struct_has_addr (struct gdbarch *gdbarch, int gcc_p, struct type *type);
1080 extern void set_gdbarch_deprecated_reg_struct_has_addr (struct gdbarch *gdbarch, gdbarch_deprecated_reg_struct_has_addr_ftype *deprecated_reg_struct_has_addr);
1081 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
1082 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
1084 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
1085 #define DEPRECATED_REG_STRUCT_HAS_ADDR(gcc_p, type) (gdbarch_deprecated_reg_struct_has_addr (current_gdbarch, gcc_p, type))
1088 typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type);
1089 extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type);
1090 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr);
1092 extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch);
1093 extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size);
1094 #if !defined (GDB_TM_FILE) && defined (FRAME_RED_ZONE_SIZE)
1095 #error "Non multi-arch definition of FRAME_RED_ZONE_SIZE"
1097 #if !defined (FRAME_RED_ZONE_SIZE)
1098 #define FRAME_RED_ZONE_SIZE (gdbarch_frame_red_zone_size (current_gdbarch))
1101 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
1102 extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
1103 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr);
1105 /* On some machines there are bits in addresses which are not really
1106 part of the address, but are used by the kernel, the hardware, etc.
1107 for special purposes. ADDR_BITS_REMOVE takes out any such bits so
1108 we get a "real" address such as one would find in a symbol table.
1109 This is used only for addresses of instructions, and even then I'm
1110 not sure it's used in all contexts. It exists to deal with there
1111 being a few stray bits in the PC which would mislead us, not as some
1112 sort of generic thing to handle alignment or segmentation (it's
1113 possible it should be in TARGET_READ_PC instead). */
1115 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (CORE_ADDR addr);
1116 extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
1117 extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
1118 #if !defined (GDB_TM_FILE) && defined (ADDR_BITS_REMOVE)
1119 #error "Non multi-arch definition of ADDR_BITS_REMOVE"
1121 #if !defined (ADDR_BITS_REMOVE)
1122 #define ADDR_BITS_REMOVE(addr) (gdbarch_addr_bits_remove (current_gdbarch, addr))
1125 /* It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
1126 ADDR_BITS_REMOVE. */
1128 typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (CORE_ADDR addr);
1129 extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
1130 extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
1131 #if !defined (GDB_TM_FILE) && defined (SMASH_TEXT_ADDRESS)
1132 #error "Non multi-arch definition of SMASH_TEXT_ADDRESS"
1134 #if !defined (SMASH_TEXT_ADDRESS)
1135 #define SMASH_TEXT_ADDRESS(addr) (gdbarch_smash_text_address (current_gdbarch, addr))
1138 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
1139 the target needs software single step. An ISA method to implement it.
1141 FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
1142 using the breakpoint system instead of blatting memory directly (as with rs6000).
1144 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
1145 single step. If not, then implement single step using breakpoints. */
1147 #if defined (SOFTWARE_SINGLE_STEP)
1148 /* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
1149 #if !defined (SOFTWARE_SINGLE_STEP_P)
1150 #define SOFTWARE_SINGLE_STEP_P() (1)
1154 extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
1155 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP_P)
1156 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
1158 #if !defined (SOFTWARE_SINGLE_STEP_P)
1159 #define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
1162 typedef void (gdbarch_software_single_step_ftype) (enum target_signal sig, int insert_breakpoints_p);
1163 extern void gdbarch_software_single_step (struct gdbarch *gdbarch, enum target_signal sig, int insert_breakpoints_p);
1164 extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
1165 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP)
1166 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
1168 #if !defined (SOFTWARE_SINGLE_STEP)
1169 #define SOFTWARE_SINGLE_STEP(sig, insert_breakpoints_p) (gdbarch_software_single_step (current_gdbarch, sig, insert_breakpoints_p))
1172 /* Return non-zero if the processor is executing a delay slot and a
1173 further single-step is needed before the instruction finishes. */
1175 extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch);
1177 typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame);
1178 extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame);
1179 extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay);
1181 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
1182 disassembler. Perhaps objdump can handle it? */
1184 typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info);
1185 extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info);
1186 extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
1187 #if !defined (GDB_TM_FILE) && defined (TARGET_PRINT_INSN)
1188 #error "Non multi-arch definition of TARGET_PRINT_INSN"
1190 #if !defined (TARGET_PRINT_INSN)
1191 #define TARGET_PRINT_INSN(vma, info) (gdbarch_print_insn (current_gdbarch, vma, info))
1194 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (CORE_ADDR pc);
1195 extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, CORE_ADDR pc);
1196 extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
1197 #if !defined (GDB_TM_FILE) && defined (SKIP_TRAMPOLINE_CODE)
1198 #error "Non multi-arch definition of SKIP_TRAMPOLINE_CODE"
1200 #if !defined (SKIP_TRAMPOLINE_CODE)
1201 #define SKIP_TRAMPOLINE_CODE(pc) (gdbarch_skip_trampoline_code (current_gdbarch, pc))
1204 /* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
1205 evaluates non-zero, this is the address where the debugger will place
1206 a step-resume breakpoint to get us past the dynamic linker. */
1208 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc);
1209 extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc);
1210 extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver);
1212 /* Some systems also have trampoline code for returning from shared libs. */
1214 typedef int (gdbarch_in_solib_return_trampoline_ftype) (CORE_ADDR pc, char *name);
1215 extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
1216 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline);
1217 #if !defined (GDB_TM_FILE) && defined (IN_SOLIB_RETURN_TRAMPOLINE)
1218 #error "Non multi-arch definition of IN_SOLIB_RETURN_TRAMPOLINE"
1220 #if !defined (IN_SOLIB_RETURN_TRAMPOLINE)
1221 #define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) (gdbarch_in_solib_return_trampoline (current_gdbarch, pc, name))
1224 /* A target might have problems with watchpoints as soon as the stack
1225 frame of the current function has been destroyed. This mostly happens
1226 as the first action in a funtion's epilogue. in_function_epilogue_p()
1227 is defined to return a non-zero value if either the given addr is one
1228 instruction after the stack destroying instruction up to the trailing
1229 return instruction or if we can figure out that the stack frame has
1230 already been invalidated regardless of the value of addr. Targets
1231 which don't suffer from that problem could just let this functionality
1234 typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
1235 extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
1236 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
1238 /* Given a vector of command-line arguments, return a newly allocated
1239 string which, when passed to the create_inferior function, will be
1240 parsed (on Unix systems, by the shell) to yield the same vector.
1241 This function should call error() if the argument vector is not
1242 representable for this target or if this target does not support
1243 command-line arguments.
1244 ARGC is the number of elements in the vector.
1245 ARGV is an array of strings, one per argument. */
1247 typedef char * (gdbarch_construct_inferior_arguments_ftype) (struct gdbarch *gdbarch, int argc, char **argv);
1248 extern char * gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv);
1249 extern void set_gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments);
1251 typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
1252 extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
1253 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
1254 #if !defined (GDB_TM_FILE) && defined (ELF_MAKE_MSYMBOL_SPECIAL)
1255 #error "Non multi-arch definition of ELF_MAKE_MSYMBOL_SPECIAL"
1257 #if !defined (ELF_MAKE_MSYMBOL_SPECIAL)
1258 #define ELF_MAKE_MSYMBOL_SPECIAL(sym, msym) (gdbarch_elf_make_msymbol_special (current_gdbarch, sym, msym))
1261 typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym);
1262 extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
1263 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
1264 #if !defined (GDB_TM_FILE) && defined (COFF_MAKE_MSYMBOL_SPECIAL)
1265 #error "Non multi-arch definition of COFF_MAKE_MSYMBOL_SPECIAL"
1267 #if !defined (COFF_MAKE_MSYMBOL_SPECIAL)
1268 #define COFF_MAKE_MSYMBOL_SPECIAL(val, msym) (gdbarch_coff_make_msymbol_special (current_gdbarch, val, msym))
1271 extern const char * gdbarch_name_of_malloc (struct gdbarch *gdbarch);
1272 extern void set_gdbarch_name_of_malloc (struct gdbarch *gdbarch, const char * name_of_malloc);
1273 #if !defined (GDB_TM_FILE) && defined (NAME_OF_MALLOC)
1274 #error "Non multi-arch definition of NAME_OF_MALLOC"
1276 #if !defined (NAME_OF_MALLOC)
1277 #define NAME_OF_MALLOC (gdbarch_name_of_malloc (current_gdbarch))
1280 extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch);
1281 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
1282 #if !defined (GDB_TM_FILE) && defined (CANNOT_STEP_BREAKPOINT)
1283 #error "Non multi-arch definition of CANNOT_STEP_BREAKPOINT"
1285 #if !defined (CANNOT_STEP_BREAKPOINT)
1286 #define CANNOT_STEP_BREAKPOINT (gdbarch_cannot_step_breakpoint (current_gdbarch))
1289 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch);
1290 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint);
1291 #if !defined (GDB_TM_FILE) && defined (HAVE_NONSTEPPABLE_WATCHPOINT)
1292 #error "Non multi-arch definition of HAVE_NONSTEPPABLE_WATCHPOINT"
1294 #if !defined (HAVE_NONSTEPPABLE_WATCHPOINT)
1295 #define HAVE_NONSTEPPABLE_WATCHPOINT (gdbarch_have_nonsteppable_watchpoint (current_gdbarch))
1298 #if defined (ADDRESS_CLASS_TYPE_FLAGS)
1299 /* Legacy for systems yet to multi-arch ADDRESS_CLASS_TYPE_FLAGS */
1300 #if !defined (ADDRESS_CLASS_TYPE_FLAGS_P)
1301 #define ADDRESS_CLASS_TYPE_FLAGS_P() (1)
1305 extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch);
1306 #if !defined (GDB_TM_FILE) && defined (ADDRESS_CLASS_TYPE_FLAGS_P)
1307 #error "Non multi-arch definition of ADDRESS_CLASS_TYPE_FLAGS"
1309 #if !defined (ADDRESS_CLASS_TYPE_FLAGS_P)
1310 #define ADDRESS_CLASS_TYPE_FLAGS_P() (gdbarch_address_class_type_flags_p (current_gdbarch))
1313 typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class);
1314 extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class);
1315 extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags);
1316 #if !defined (GDB_TM_FILE) && defined (ADDRESS_CLASS_TYPE_FLAGS)
1317 #error "Non multi-arch definition of ADDRESS_CLASS_TYPE_FLAGS"
1319 #if !defined (ADDRESS_CLASS_TYPE_FLAGS)
1320 #define ADDRESS_CLASS_TYPE_FLAGS(byte_size, dwarf2_addr_class) (gdbarch_address_class_type_flags (current_gdbarch, byte_size, dwarf2_addr_class))
1323 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch);
1325 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags);
1326 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags);
1327 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);
1329 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch);
1331 typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr);
1332 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr);
1333 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);
1335 /* Is a register in a group */
1337 typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup);
1338 extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup);
1339 extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p);
1341 /* Fetch the pointer to the ith function argument. */
1343 #if defined (FETCH_POINTER_ARGUMENT)
1344 /* Legacy for systems yet to multi-arch FETCH_POINTER_ARGUMENT */
1345 #if !defined (FETCH_POINTER_ARGUMENT_P)
1346 #define FETCH_POINTER_ARGUMENT_P() (1)
1350 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch);
1351 #if !defined (GDB_TM_FILE) && defined (FETCH_POINTER_ARGUMENT_P)
1352 #error "Non multi-arch definition of FETCH_POINTER_ARGUMENT"
1354 #if !defined (FETCH_POINTER_ARGUMENT_P)
1355 #define FETCH_POINTER_ARGUMENT_P() (gdbarch_fetch_pointer_argument_p (current_gdbarch))
1358 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type);
1359 extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type);
1360 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument);
1361 #if !defined (GDB_TM_FILE) && defined (FETCH_POINTER_ARGUMENT)
1362 #error "Non multi-arch definition of FETCH_POINTER_ARGUMENT"
1364 #if !defined (FETCH_POINTER_ARGUMENT)
1365 #define FETCH_POINTER_ARGUMENT(frame, argi, type) (gdbarch_fetch_pointer_argument (current_gdbarch, frame, argi, type))
1368 /* Return the appropriate register set for a core file section with
1369 name SECT_NAME and size SECT_SIZE. */
1371 extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch);
1373 typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
1374 extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
1375 extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section);
1377 /* If the elements of C++ vtables are in-place function descriptors rather
1378 than normal function pointers (which may point to code or a descriptor),
1381 extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch);
1382 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors);
1384 /* Set if the least significant bit of the delta is used instead of the least
1385 significant bit of the pfn for pointers to virtual member functions. */
1387 extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch);
1388 extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta);
1390 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1393 /* Mechanism for co-ordinating the selection of a specific
1396 GDB targets (*-tdep.c) can register an interest in a specific
1397 architecture. Other GDB components can register a need to maintain
1398 per-architecture data.
1400 The mechanisms below ensures that there is only a loose connection
1401 between the set-architecture command and the various GDB
1402 components. Each component can independently register their need
1403 to maintain architecture specific data with gdbarch.
1407 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1410 The more traditional mega-struct containing architecture specific
1411 data for all the various GDB components was also considered. Since
1412 GDB is built from a variable number of (fairly independent)
1413 components it was determined that the global aproach was not
1417 /* Register a new architectural family with GDB.
1419 Register support for the specified ARCHITECTURE with GDB. When
1420 gdbarch determines that the specified architecture has been
1421 selected, the corresponding INIT function is called.
1425 The INIT function takes two parameters: INFO which contains the
1426 information available to gdbarch about the (possibly new)
1427 architecture; ARCHES which is a list of the previously created
1428 ``struct gdbarch'' for this architecture.
1430 The INFO parameter is, as far as possible, be pre-initialized with
1431 information obtained from INFO.ABFD or the global defaults.
1433 The ARCHES parameter is a linked list (sorted most recently used)
1434 of all the previously created architures for this architecture
1435 family. The (possibly NULL) ARCHES->gdbarch can used to access
1436 values from the previously selected architecture for this
1437 architecture family. The global ``current_gdbarch'' shall not be
1440 The INIT function shall return any of: NULL - indicating that it
1441 doesn't recognize the selected architecture; an existing ``struct
1442 gdbarch'' from the ARCHES list - indicating that the new
1443 architecture is just a synonym for an earlier architecture (see
1444 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1445 - that describes the selected architecture (see gdbarch_alloc()).
1447 The DUMP_TDEP function shall print out all target specific values.
1448 Care should be taken to ensure that the function works in both the
1449 multi-arch and non- multi-arch cases. */
1453 struct gdbarch *gdbarch;
1454 struct gdbarch_list *next;
1459 /* Use default: NULL (ZERO). */
1460 const struct bfd_arch_info *bfd_arch_info;
1462 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1465 /* Use default: NULL (ZERO). */
1468 /* Use default: NULL (ZERO). */
1469 struct gdbarch_tdep_info *tdep_info;
1471 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1472 enum gdb_osabi osabi;
1474 /* Use default: NULL (ZERO). */
1475 const struct target_desc *target_desc;
1478 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1479 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1481 /* DEPRECATED - use gdbarch_register() */
1482 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1484 extern void gdbarch_register (enum bfd_architecture architecture,
1485 gdbarch_init_ftype *,
1486 gdbarch_dump_tdep_ftype *);
1489 /* Return a freshly allocated, NULL terminated, array of the valid
1490 architecture names. Since architectures are registered during the
1491 _initialize phase this function only returns useful information
1492 once initialization has been completed. */
1494 extern const char **gdbarch_printable_names (void);
1497 /* Helper function. Search the list of ARCHES for a GDBARCH that
1498 matches the information provided by INFO. */
1500 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1503 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1504 basic initialization using values obtained from the INFO and TDEP
1505 parameters. set_gdbarch_*() functions are called to complete the
1506 initialization of the object. */
1508 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1511 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1512 It is assumed that the caller freeds the ``struct
1515 extern void gdbarch_free (struct gdbarch *);
1518 /* Helper function. Allocate memory from the ``struct gdbarch''
1519 obstack. The memory is freed when the corresponding architecture
1522 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1523 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1524 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1527 /* Helper function. Force an update of the current architecture.
1529 The actual architecture selected is determined by INFO, ``(gdb) set
1530 architecture'' et.al., the existing architecture and BFD's default
1531 architecture. INFO should be initialized to zero and then selected
1532 fields should be updated.
1534 Returns non-zero if the update succeeds */
1536 extern int gdbarch_update_p (struct gdbarch_info info);
1539 /* Helper function. Find an architecture matching info.
1541 INFO should be initialized using gdbarch_info_init, relevant fields
1542 set, and then finished using gdbarch_info_fill.
1544 Returns the corresponding architecture, or NULL if no matching
1545 architecture was found. "current_gdbarch" is not updated. */
1547 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1550 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1552 FIXME: kettenis/20031124: Of the functions that follow, only
1553 gdbarch_from_bfd is supposed to survive. The others will
1554 dissappear since in the future GDB will (hopefully) be truly
1555 multi-arch. However, for now we're still stuck with the concept of
1556 a single active architecture. */
1558 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1561 /* Register per-architecture data-pointer.
1563 Reserve space for a per-architecture data-pointer. An identifier
1564 for the reserved data-pointer is returned. That identifer should
1565 be saved in a local static variable.
1567 Memory for the per-architecture data shall be allocated using
1568 gdbarch_obstack_zalloc. That memory will be deleted when the
1569 corresponding architecture object is deleted.
1571 When a previously created architecture is re-selected, the
1572 per-architecture data-pointer for that previous architecture is
1573 restored. INIT() is not re-called.
1575 Multiple registrarants for any architecture are allowed (and
1576 strongly encouraged). */
1578 struct gdbarch_data;
1580 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
1581 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
1582 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
1583 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
1584 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1585 struct gdbarch_data *data,
1588 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1592 /* Register per-architecture memory region.
1594 Provide a memory-region swap mechanism. Per-architecture memory
1595 region are created. These memory regions are swapped whenever the
1596 architecture is changed. For a new architecture, the memory region
1597 is initialized with zero (0) and the INIT function is called.
1599 Memory regions are swapped / initialized in the order that they are
1600 registered. NULL DATA and/or INIT values can be specified.
1602 New code should use gdbarch_data_register_*(). */
1604 typedef void (gdbarch_swap_ftype) (void);
1605 extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1606 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1610 /* Set the dynamic target-system-dependent parameters (architecture,
1611 byte-order, ...) using information found in the BFD */
1613 extern void set_gdbarch_from_file (bfd *);
1616 /* Initialize the current architecture to the "first" one we find on
1619 extern void initialize_current_architecture (void);
1621 /* gdbarch trace variable */
1622 extern int gdbarch_debug;
1624 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);