1 /* Architecture commands for GDB, the GNU debugger.
2 Copyright 1998-1999, Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
30 #ifndef GDB_MULTI_ARCH
31 #define GDB_MULTI_ARCH 0
34 extern struct gdbarch *current_gdbarch;
37 /* See gdb/doc/gdbint.texi for a discussion of the GDB_MULTI_ARCH
41 /* If any of the following are defined, the target wasn't correctly
45 #if defined (CALL_DUMMY)
46 #error "CALL_DUMMY: replaced by CALL_DUMMY_WORDS/SIZEOF_CALL_DUMMY_WORDS"
51 #if defined (REGISTER_NAMES)
52 #error "REGISTER_NAMES: replaced by REGISTER_NAME"
57 #if defined (EXTRA_FRAME_INFO)
58 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
63 #if defined (FRAME_FIND_SAVED_REGS)
64 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
69 /* The following are pre-initialized by GDBARCH. */
71 extern const struct bfd_arch_info * gdbarch_bfd_arch_info PARAMS ((struct gdbarch *gdbarch));
72 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
74 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_ARCHITECTURE)
75 #define TARGET_ARCHITECTURE (gdbarch_bfd_arch_info (current_gdbarch))
79 extern int gdbarch_byte_order PARAMS ((struct gdbarch *gdbarch));
80 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
82 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_BYTE_ORDER)
83 #define TARGET_BYTE_ORDER (gdbarch_byte_order (current_gdbarch))
88 /* The following are initialized by the target dependant code. */
90 extern int gdbarch_ptr_bit PARAMS ((struct gdbarch *gdbarch));
91 extern void set_gdbarch_ptr_bit PARAMS ((struct gdbarch *gdbarch, int ptr_bit));
93 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_PTR_BIT)
94 #define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
98 extern int gdbarch_short_bit PARAMS ((struct gdbarch *gdbarch));
99 extern void set_gdbarch_short_bit PARAMS ((struct gdbarch *gdbarch, int short_bit));
101 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_SHORT_BIT)
102 #define TARGET_SHORT_BIT (gdbarch_short_bit (current_gdbarch))
106 extern int gdbarch_int_bit PARAMS ((struct gdbarch *gdbarch));
107 extern void set_gdbarch_int_bit PARAMS ((struct gdbarch *gdbarch, int int_bit));
109 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_INT_BIT)
110 #define TARGET_INT_BIT (gdbarch_int_bit (current_gdbarch))
114 extern int gdbarch_long_bit PARAMS ((struct gdbarch *gdbarch));
115 extern void set_gdbarch_long_bit PARAMS ((struct gdbarch *gdbarch, int long_bit));
117 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_BIT)
118 #define TARGET_LONG_BIT (gdbarch_long_bit (current_gdbarch))
122 extern int gdbarch_long_long_bit PARAMS ((struct gdbarch *gdbarch));
123 extern void set_gdbarch_long_long_bit PARAMS ((struct gdbarch *gdbarch, int long_long_bit));
125 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_LONG_BIT)
126 #define TARGET_LONG_LONG_BIT (gdbarch_long_long_bit (current_gdbarch))
130 extern int gdbarch_float_bit PARAMS ((struct gdbarch *gdbarch));
131 extern void set_gdbarch_float_bit PARAMS ((struct gdbarch *gdbarch, int float_bit));
133 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_FLOAT_BIT)
134 #define TARGET_FLOAT_BIT (gdbarch_float_bit (current_gdbarch))
138 extern int gdbarch_double_bit PARAMS ((struct gdbarch *gdbarch));
139 extern void set_gdbarch_double_bit PARAMS ((struct gdbarch *gdbarch, int double_bit));
141 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_DOUBLE_BIT)
142 #define TARGET_DOUBLE_BIT (gdbarch_double_bit (current_gdbarch))
146 extern int gdbarch_long_double_bit PARAMS ((struct gdbarch *gdbarch));
147 extern void set_gdbarch_long_double_bit PARAMS ((struct gdbarch *gdbarch, int long_double_bit));
149 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_DOUBLE_BIT)
150 #define TARGET_LONG_DOUBLE_BIT (gdbarch_long_double_bit (current_gdbarch))
154 typedef CORE_ADDR (gdbarch_read_pc_ftype) PARAMS ((int pid));
155 extern CORE_ADDR gdbarch_read_pc PARAMS ((struct gdbarch *gdbarch, int pid));
156 extern void set_gdbarch_read_pc PARAMS ((struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc));
158 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_PC)
159 #define TARGET_READ_PC(pid) (gdbarch_read_pc (current_gdbarch, pid))
163 typedef void (gdbarch_write_pc_ftype) PARAMS ((CORE_ADDR val, int pid));
164 extern void gdbarch_write_pc PARAMS ((struct gdbarch *gdbarch, CORE_ADDR val, int pid));
165 extern void set_gdbarch_write_pc PARAMS ((struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc));
167 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_PC)
168 #define TARGET_WRITE_PC(val, pid) (gdbarch_write_pc (current_gdbarch, val, pid))
172 typedef CORE_ADDR (gdbarch_read_fp_ftype) PARAMS ((void));
173 extern CORE_ADDR gdbarch_read_fp PARAMS ((struct gdbarch *gdbarch));
174 extern void set_gdbarch_read_fp PARAMS ((struct gdbarch *gdbarch, gdbarch_read_fp_ftype *read_fp));
176 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_FP)
177 #define TARGET_READ_FP() (gdbarch_read_fp (current_gdbarch))
181 typedef void (gdbarch_write_fp_ftype) PARAMS ((CORE_ADDR val));
182 extern void gdbarch_write_fp PARAMS ((struct gdbarch *gdbarch, CORE_ADDR val));
183 extern void set_gdbarch_write_fp PARAMS ((struct gdbarch *gdbarch, gdbarch_write_fp_ftype *write_fp));
185 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_FP)
186 #define TARGET_WRITE_FP(val) (gdbarch_write_fp (current_gdbarch, val))
190 typedef CORE_ADDR (gdbarch_read_sp_ftype) PARAMS ((void));
191 extern CORE_ADDR gdbarch_read_sp PARAMS ((struct gdbarch *gdbarch));
192 extern void set_gdbarch_read_sp PARAMS ((struct gdbarch *gdbarch, gdbarch_read_sp_ftype *read_sp));
194 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_SP)
195 #define TARGET_READ_SP() (gdbarch_read_sp (current_gdbarch))
199 typedef void (gdbarch_write_sp_ftype) PARAMS ((CORE_ADDR val));
200 extern void gdbarch_write_sp PARAMS ((struct gdbarch *gdbarch, CORE_ADDR val));
201 extern void set_gdbarch_write_sp PARAMS ((struct gdbarch *gdbarch, gdbarch_write_sp_ftype *write_sp));
203 #if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_SP)
204 #define TARGET_WRITE_SP(val) (gdbarch_write_sp (current_gdbarch, val))
208 extern int gdbarch_num_regs PARAMS ((struct gdbarch *gdbarch));
209 extern void set_gdbarch_num_regs PARAMS ((struct gdbarch *gdbarch, int num_regs));
211 #if (GDB_MULTI_ARCH > 1) || !defined (NUM_REGS)
212 #define NUM_REGS (gdbarch_num_regs (current_gdbarch))
216 extern int gdbarch_sp_regnum PARAMS ((struct gdbarch *gdbarch));
217 extern void set_gdbarch_sp_regnum PARAMS ((struct gdbarch *gdbarch, int sp_regnum));
219 #if (GDB_MULTI_ARCH > 1) || !defined (SP_REGNUM)
220 #define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
224 extern int gdbarch_fp_regnum PARAMS ((struct gdbarch *gdbarch));
225 extern void set_gdbarch_fp_regnum PARAMS ((struct gdbarch *gdbarch, int fp_regnum));
227 #if (GDB_MULTI_ARCH > 1) || !defined (FP_REGNUM)
228 #define FP_REGNUM (gdbarch_fp_regnum (current_gdbarch))
232 extern int gdbarch_pc_regnum PARAMS ((struct gdbarch *gdbarch));
233 extern void set_gdbarch_pc_regnum PARAMS ((struct gdbarch *gdbarch, int pc_regnum));
235 #if (GDB_MULTI_ARCH > 1) || !defined (PC_REGNUM)
236 #define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
240 typedef char * (gdbarch_register_name_ftype) PARAMS ((int regnr));
241 extern char * gdbarch_register_name PARAMS ((struct gdbarch *gdbarch, int regnr));
242 extern void set_gdbarch_register_name PARAMS ((struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name));
244 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_NAME)
245 #define REGISTER_NAME(regnr) (gdbarch_register_name (current_gdbarch, regnr))
249 extern int gdbarch_register_size PARAMS ((struct gdbarch *gdbarch));
250 extern void set_gdbarch_register_size PARAMS ((struct gdbarch *gdbarch, int register_size));
252 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_SIZE)
253 #define REGISTER_SIZE (gdbarch_register_size (current_gdbarch))
257 extern int gdbarch_register_bytes PARAMS ((struct gdbarch *gdbarch));
258 extern void set_gdbarch_register_bytes PARAMS ((struct gdbarch *gdbarch, int register_bytes));
260 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_BYTES)
261 #define REGISTER_BYTES (gdbarch_register_bytes (current_gdbarch))
265 typedef int (gdbarch_register_byte_ftype) PARAMS ((int reg_nr));
266 extern int gdbarch_register_byte PARAMS ((struct gdbarch *gdbarch, int reg_nr));
267 extern void set_gdbarch_register_byte PARAMS ((struct gdbarch *gdbarch, gdbarch_register_byte_ftype *register_byte));
269 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_BYTE)
270 #define REGISTER_BYTE(reg_nr) (gdbarch_register_byte (current_gdbarch, reg_nr))
274 typedef int (gdbarch_register_raw_size_ftype) PARAMS ((int reg_nr));
275 extern int gdbarch_register_raw_size PARAMS ((struct gdbarch *gdbarch, int reg_nr));
276 extern void set_gdbarch_register_raw_size PARAMS ((struct gdbarch *gdbarch, gdbarch_register_raw_size_ftype *register_raw_size));
278 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_RAW_SIZE)
279 #define REGISTER_RAW_SIZE(reg_nr) (gdbarch_register_raw_size (current_gdbarch, reg_nr))
283 extern int gdbarch_max_register_raw_size PARAMS ((struct gdbarch *gdbarch));
284 extern void set_gdbarch_max_register_raw_size PARAMS ((struct gdbarch *gdbarch, int max_register_raw_size));
286 #if (GDB_MULTI_ARCH > 1) || !defined (MAX_REGISTER_RAW_SIZE)
287 #define MAX_REGISTER_RAW_SIZE (gdbarch_max_register_raw_size (current_gdbarch))
291 typedef int (gdbarch_register_virtual_size_ftype) PARAMS ((int reg_nr));
292 extern int gdbarch_register_virtual_size PARAMS ((struct gdbarch *gdbarch, int reg_nr));
293 extern void set_gdbarch_register_virtual_size PARAMS ((struct gdbarch *gdbarch, gdbarch_register_virtual_size_ftype *register_virtual_size));
295 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_VIRTUAL_SIZE)
296 #define REGISTER_VIRTUAL_SIZE(reg_nr) (gdbarch_register_virtual_size (current_gdbarch, reg_nr))
300 extern int gdbarch_max_register_virtual_size PARAMS ((struct gdbarch *gdbarch));
301 extern void set_gdbarch_max_register_virtual_size PARAMS ((struct gdbarch *gdbarch, int max_register_virtual_size));
303 #if (GDB_MULTI_ARCH > 1) || !defined (MAX_REGISTER_VIRTUAL_SIZE)
304 #define MAX_REGISTER_VIRTUAL_SIZE (gdbarch_max_register_virtual_size (current_gdbarch))
308 typedef struct type * (gdbarch_register_virtual_type_ftype) PARAMS ((int reg_nr));
309 extern struct type * gdbarch_register_virtual_type PARAMS ((struct gdbarch *gdbarch, int reg_nr));
310 extern void set_gdbarch_register_virtual_type PARAMS ((struct gdbarch *gdbarch, gdbarch_register_virtual_type_ftype *register_virtual_type));
312 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_VIRTUAL_TYPE)
313 #define REGISTER_VIRTUAL_TYPE(reg_nr) (gdbarch_register_virtual_type (current_gdbarch, reg_nr))
317 extern int gdbarch_use_generic_dummy_frames PARAMS ((struct gdbarch *gdbarch));
318 extern void set_gdbarch_use_generic_dummy_frames PARAMS ((struct gdbarch *gdbarch, int use_generic_dummy_frames));
320 #if (GDB_MULTI_ARCH > 1) || !defined (USE_GENERIC_DUMMY_FRAMES)
321 #define USE_GENERIC_DUMMY_FRAMES (gdbarch_use_generic_dummy_frames (current_gdbarch))
325 extern int gdbarch_call_dummy_location PARAMS ((struct gdbarch *gdbarch));
326 extern void set_gdbarch_call_dummy_location PARAMS ((struct gdbarch *gdbarch, int call_dummy_location));
328 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_LOCATION)
329 #define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch))
333 typedef CORE_ADDR (gdbarch_call_dummy_address_ftype) PARAMS ((void));
334 extern CORE_ADDR gdbarch_call_dummy_address PARAMS ((struct gdbarch *gdbarch));
335 extern void set_gdbarch_call_dummy_address PARAMS ((struct gdbarch *gdbarch, gdbarch_call_dummy_address_ftype *call_dummy_address));
337 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_ADDRESS)
338 #define CALL_DUMMY_ADDRESS() (gdbarch_call_dummy_address (current_gdbarch))
342 extern CORE_ADDR gdbarch_call_dummy_start_offset PARAMS ((struct gdbarch *gdbarch));
343 extern void set_gdbarch_call_dummy_start_offset PARAMS ((struct gdbarch *gdbarch, CORE_ADDR call_dummy_start_offset));
345 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_START_OFFSET)
346 #define CALL_DUMMY_START_OFFSET (gdbarch_call_dummy_start_offset (current_gdbarch))
350 extern CORE_ADDR gdbarch_call_dummy_breakpoint_offset PARAMS ((struct gdbarch *gdbarch));
351 extern void set_gdbarch_call_dummy_breakpoint_offset PARAMS ((struct gdbarch *gdbarch, CORE_ADDR call_dummy_breakpoint_offset));
353 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET)
354 #define CALL_DUMMY_BREAKPOINT_OFFSET (gdbarch_call_dummy_breakpoint_offset (current_gdbarch))
358 extern int gdbarch_call_dummy_breakpoint_offset_p PARAMS ((struct gdbarch *gdbarch));
359 extern void set_gdbarch_call_dummy_breakpoint_offset_p PARAMS ((struct gdbarch *gdbarch, int call_dummy_breakpoint_offset_p));
361 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
362 #define CALL_DUMMY_BREAKPOINT_OFFSET_P (gdbarch_call_dummy_breakpoint_offset_p (current_gdbarch))
366 extern int gdbarch_call_dummy_length PARAMS ((struct gdbarch *gdbarch));
367 extern void set_gdbarch_call_dummy_length PARAMS ((struct gdbarch *gdbarch, int call_dummy_length));
369 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_LENGTH)
370 #define CALL_DUMMY_LENGTH (gdbarch_call_dummy_length (current_gdbarch))
374 typedef int (gdbarch_pc_in_call_dummy_ftype) PARAMS ((CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address));
375 extern int gdbarch_pc_in_call_dummy PARAMS ((struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address));
376 extern void set_gdbarch_pc_in_call_dummy PARAMS ((struct gdbarch *gdbarch, gdbarch_pc_in_call_dummy_ftype *pc_in_call_dummy));
378 #if (GDB_MULTI_ARCH > 1) || !defined (PC_IN_CALL_DUMMY)
379 #define PC_IN_CALL_DUMMY(pc, sp, frame_address) (gdbarch_pc_in_call_dummy (current_gdbarch, pc, sp, frame_address))
383 extern int gdbarch_call_dummy_p PARAMS ((struct gdbarch *gdbarch));
384 extern void set_gdbarch_call_dummy_p PARAMS ((struct gdbarch *gdbarch, int call_dummy_p));
386 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_P)
387 #define CALL_DUMMY_P (gdbarch_call_dummy_p (current_gdbarch))
391 extern LONGEST * gdbarch_call_dummy_words PARAMS ((struct gdbarch *gdbarch));
392 extern void set_gdbarch_call_dummy_words PARAMS ((struct gdbarch *gdbarch, LONGEST * call_dummy_words));
394 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_WORDS)
395 #define CALL_DUMMY_WORDS (gdbarch_call_dummy_words (current_gdbarch))
399 extern int gdbarch_sizeof_call_dummy_words PARAMS ((struct gdbarch *gdbarch));
400 extern void set_gdbarch_sizeof_call_dummy_words PARAMS ((struct gdbarch *gdbarch, int sizeof_call_dummy_words));
402 #if (GDB_MULTI_ARCH > 1) || !defined (SIZEOF_CALL_DUMMY_WORDS)
403 #define SIZEOF_CALL_DUMMY_WORDS (gdbarch_sizeof_call_dummy_words (current_gdbarch))
407 extern int gdbarch_call_dummy_stack_adjust_p PARAMS ((struct gdbarch *gdbarch));
408 extern void set_gdbarch_call_dummy_stack_adjust_p PARAMS ((struct gdbarch *gdbarch, int call_dummy_stack_adjust_p));
410 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_STACK_ADJUST_P)
411 #define CALL_DUMMY_STACK_ADJUST_P (gdbarch_call_dummy_stack_adjust_p (current_gdbarch))
415 extern int gdbarch_call_dummy_stack_adjust PARAMS ((struct gdbarch *gdbarch));
416 extern void set_gdbarch_call_dummy_stack_adjust PARAMS ((struct gdbarch *gdbarch, int call_dummy_stack_adjust));
418 #if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_STACK_ADJUST)
419 #define CALL_DUMMY_STACK_ADJUST (gdbarch_call_dummy_stack_adjust (current_gdbarch))
423 typedef void (gdbarch_fix_call_dummy_ftype) PARAMS ((char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p));
424 extern void gdbarch_fix_call_dummy PARAMS ((struct gdbarch *gdbarch, char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p));
425 extern void set_gdbarch_fix_call_dummy PARAMS ((struct gdbarch *gdbarch, gdbarch_fix_call_dummy_ftype *fix_call_dummy));
427 #if (GDB_MULTI_ARCH > 1) || !defined (FIX_CALL_DUMMY)
428 #define FIX_CALL_DUMMY(dummy, pc, fun, nargs, args, type, gcc_p) (gdbarch_fix_call_dummy (current_gdbarch, dummy, pc, fun, nargs, args, type, gcc_p))
432 extern int gdbarch_believe_pcc_promotion PARAMS ((struct gdbarch *gdbarch));
433 extern void set_gdbarch_believe_pcc_promotion PARAMS ((struct gdbarch *gdbarch, int believe_pcc_promotion));
435 #if (GDB_MULTI_ARCH > 1) || !defined (BELIEVE_PCC_PROMOTION)
436 #define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
440 extern int gdbarch_believe_pcc_promotion_type PARAMS ((struct gdbarch *gdbarch));
441 extern void set_gdbarch_believe_pcc_promotion_type PARAMS ((struct gdbarch *gdbarch, int believe_pcc_promotion_type));
443 #if (GDB_MULTI_ARCH > 1) || !defined (BELIEVE_PCC_PROMOTION_TYPE)
444 #define BELIEVE_PCC_PROMOTION_TYPE (gdbarch_believe_pcc_promotion_type (current_gdbarch))
448 typedef void (gdbarch_get_saved_register_ftype) PARAMS ((char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval));
449 extern void gdbarch_get_saved_register PARAMS ((struct gdbarch *gdbarch, char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval));
450 extern void set_gdbarch_get_saved_register PARAMS ((struct gdbarch *gdbarch, gdbarch_get_saved_register_ftype *get_saved_register));
452 #if (GDB_MULTI_ARCH > 1) || !defined (GET_SAVED_REGISTER)
453 #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) (gdbarch_get_saved_register (current_gdbarch, raw_buffer, optimized, addrp, frame, regnum, lval))
457 typedef int (gdbarch_register_convertible_ftype) PARAMS ((int nr));
458 extern int gdbarch_register_convertible PARAMS ((struct gdbarch *gdbarch, int nr));
459 extern void set_gdbarch_register_convertible PARAMS ((struct gdbarch *gdbarch, gdbarch_register_convertible_ftype *register_convertible));
461 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERTIBLE)
462 #define REGISTER_CONVERTIBLE(nr) (gdbarch_register_convertible (current_gdbarch, nr))
466 typedef void (gdbarch_register_convert_to_virtual_ftype) PARAMS ((int regnum, struct type *type, char *from, char *to));
467 extern void gdbarch_register_convert_to_virtual PARAMS ((struct gdbarch *gdbarch, int regnum, struct type *type, char *from, char *to));
468 extern void set_gdbarch_register_convert_to_virtual PARAMS ((struct gdbarch *gdbarch, gdbarch_register_convert_to_virtual_ftype *register_convert_to_virtual));
470 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERT_TO_VIRTUAL)
471 #define REGISTER_CONVERT_TO_VIRTUAL(regnum, type, from, to) (gdbarch_register_convert_to_virtual (current_gdbarch, regnum, type, from, to))
475 typedef void (gdbarch_register_convert_to_raw_ftype) PARAMS ((struct type *type, int regnum, char *from, char *to));
476 extern void gdbarch_register_convert_to_raw PARAMS ((struct gdbarch *gdbarch, struct type *type, int regnum, char *from, char *to));
477 extern void set_gdbarch_register_convert_to_raw PARAMS ((struct gdbarch *gdbarch, gdbarch_register_convert_to_raw_ftype *register_convert_to_raw));
479 #if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERT_TO_RAW)
480 #define REGISTER_CONVERT_TO_RAW(type, regnum, from, to) (gdbarch_register_convert_to_raw (current_gdbarch, type, regnum, from, to))
484 typedef void (gdbarch_extract_return_value_ftype) PARAMS ((struct type *type, char *regbuf, char *valbuf));
485 extern void gdbarch_extract_return_value PARAMS ((struct gdbarch *gdbarch, struct type *type, char *regbuf, char *valbuf));
486 extern void set_gdbarch_extract_return_value PARAMS ((struct gdbarch *gdbarch, gdbarch_extract_return_value_ftype *extract_return_value));
488 #if (GDB_MULTI_ARCH > 1) || !defined (EXTRACT_RETURN_VALUE)
489 #define EXTRACT_RETURN_VALUE(type, regbuf, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regbuf, valbuf))
493 typedef CORE_ADDR (gdbarch_push_arguments_ftype) PARAMS ((int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr));
494 extern CORE_ADDR gdbarch_push_arguments PARAMS ((struct gdbarch *gdbarch, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr));
495 extern void set_gdbarch_push_arguments PARAMS ((struct gdbarch *gdbarch, gdbarch_push_arguments_ftype *push_arguments));
497 #if (GDB_MULTI_ARCH > 1) || !defined (PUSH_ARGUMENTS)
498 #define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) (gdbarch_push_arguments (current_gdbarch, nargs, args, sp, struct_return, struct_addr))
502 typedef void (gdbarch_push_dummy_frame_ftype) PARAMS ((void));
503 extern void gdbarch_push_dummy_frame PARAMS ((struct gdbarch *gdbarch));
504 extern void set_gdbarch_push_dummy_frame PARAMS ((struct gdbarch *gdbarch, gdbarch_push_dummy_frame_ftype *push_dummy_frame));
506 #if (GDB_MULTI_ARCH > 1) || !defined (PUSH_DUMMY_FRAME)
507 #define PUSH_DUMMY_FRAME (gdbarch_push_dummy_frame (current_gdbarch))
511 typedef CORE_ADDR (gdbarch_push_return_address_ftype) PARAMS ((CORE_ADDR pc, CORE_ADDR sp));
512 extern CORE_ADDR gdbarch_push_return_address PARAMS ((struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp));
513 extern void set_gdbarch_push_return_address PARAMS ((struct gdbarch *gdbarch, gdbarch_push_return_address_ftype *push_return_address));
515 #if (GDB_MULTI_ARCH > 1) || !defined (PUSH_RETURN_ADDRESS)
516 #define PUSH_RETURN_ADDRESS(pc, sp) (gdbarch_push_return_address (current_gdbarch, pc, sp))
520 typedef void (gdbarch_pop_frame_ftype) PARAMS ((void));
521 extern void gdbarch_pop_frame PARAMS ((struct gdbarch *gdbarch));
522 extern void set_gdbarch_pop_frame PARAMS ((struct gdbarch *gdbarch, gdbarch_pop_frame_ftype *pop_frame));
524 #if (GDB_MULTI_ARCH > 1) || !defined (POP_FRAME)
525 #define POP_FRAME (gdbarch_pop_frame (current_gdbarch))
529 typedef CORE_ADDR (gdbarch_d10v_make_daddr_ftype) PARAMS ((CORE_ADDR x));
530 extern CORE_ADDR gdbarch_d10v_make_daddr PARAMS ((struct gdbarch *gdbarch, CORE_ADDR x));
531 extern void set_gdbarch_d10v_make_daddr PARAMS ((struct gdbarch *gdbarch, gdbarch_d10v_make_daddr_ftype *d10v_make_daddr));
533 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_MAKE_DADDR)
534 #define D10V_MAKE_DADDR(x) (gdbarch_d10v_make_daddr (current_gdbarch, x))
538 typedef CORE_ADDR (gdbarch_d10v_make_iaddr_ftype) PARAMS ((CORE_ADDR x));
539 extern CORE_ADDR gdbarch_d10v_make_iaddr PARAMS ((struct gdbarch *gdbarch, CORE_ADDR x));
540 extern void set_gdbarch_d10v_make_iaddr PARAMS ((struct gdbarch *gdbarch, gdbarch_d10v_make_iaddr_ftype *d10v_make_iaddr));
542 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_MAKE_IADDR)
543 #define D10V_MAKE_IADDR(x) (gdbarch_d10v_make_iaddr (current_gdbarch, x))
547 typedef int (gdbarch_d10v_daddr_p_ftype) PARAMS ((CORE_ADDR x));
548 extern int gdbarch_d10v_daddr_p PARAMS ((struct gdbarch *gdbarch, CORE_ADDR x));
549 extern void set_gdbarch_d10v_daddr_p PARAMS ((struct gdbarch *gdbarch, gdbarch_d10v_daddr_p_ftype *d10v_daddr_p));
551 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_DADDR_P)
552 #define D10V_DADDR_P(x) (gdbarch_d10v_daddr_p (current_gdbarch, x))
556 typedef int (gdbarch_d10v_iaddr_p_ftype) PARAMS ((CORE_ADDR x));
557 extern int gdbarch_d10v_iaddr_p PARAMS ((struct gdbarch *gdbarch, CORE_ADDR x));
558 extern void set_gdbarch_d10v_iaddr_p PARAMS ((struct gdbarch *gdbarch, gdbarch_d10v_iaddr_p_ftype *d10v_iaddr_p));
560 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_IADDR_P)
561 #define D10V_IADDR_P(x) (gdbarch_d10v_iaddr_p (current_gdbarch, x))
565 typedef CORE_ADDR (gdbarch_d10v_convert_daddr_to_raw_ftype) PARAMS ((CORE_ADDR x));
566 extern CORE_ADDR gdbarch_d10v_convert_daddr_to_raw PARAMS ((struct gdbarch *gdbarch, CORE_ADDR x));
567 extern void set_gdbarch_d10v_convert_daddr_to_raw PARAMS ((struct gdbarch *gdbarch, gdbarch_d10v_convert_daddr_to_raw_ftype *d10v_convert_daddr_to_raw));
569 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_CONVERT_DADDR_TO_RAW)
570 #define D10V_CONVERT_DADDR_TO_RAW(x) (gdbarch_d10v_convert_daddr_to_raw (current_gdbarch, x))
574 typedef CORE_ADDR (gdbarch_d10v_convert_iaddr_to_raw_ftype) PARAMS ((CORE_ADDR x));
575 extern CORE_ADDR gdbarch_d10v_convert_iaddr_to_raw PARAMS ((struct gdbarch *gdbarch, CORE_ADDR x));
576 extern void set_gdbarch_d10v_convert_iaddr_to_raw PARAMS ((struct gdbarch *gdbarch, gdbarch_d10v_convert_iaddr_to_raw_ftype *d10v_convert_iaddr_to_raw));
578 #if (GDB_MULTI_ARCH > 1) || !defined (D10V_CONVERT_IADDR_TO_RAW)
579 #define D10V_CONVERT_IADDR_TO_RAW(x) (gdbarch_d10v_convert_iaddr_to_raw (current_gdbarch, x))
583 typedef void (gdbarch_store_struct_return_ftype) PARAMS ((CORE_ADDR addr, CORE_ADDR sp));
584 extern void gdbarch_store_struct_return PARAMS ((struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR sp));
585 extern void set_gdbarch_store_struct_return PARAMS ((struct gdbarch *gdbarch, gdbarch_store_struct_return_ftype *store_struct_return));
587 #if (GDB_MULTI_ARCH > 1) || !defined (STORE_STRUCT_RETURN)
588 #define STORE_STRUCT_RETURN(addr, sp) (gdbarch_store_struct_return (current_gdbarch, addr, sp))
592 typedef void (gdbarch_store_return_value_ftype) PARAMS ((struct type *type, char *valbuf));
593 extern void gdbarch_store_return_value PARAMS ((struct gdbarch *gdbarch, struct type *type, char *valbuf));
594 extern void set_gdbarch_store_return_value PARAMS ((struct gdbarch *gdbarch, gdbarch_store_return_value_ftype *store_return_value));
596 #if (GDB_MULTI_ARCH > 1) || !defined (STORE_RETURN_VALUE)
597 #define STORE_RETURN_VALUE(type, valbuf) (gdbarch_store_return_value (current_gdbarch, type, valbuf))
601 typedef CORE_ADDR (gdbarch_extract_struct_value_address_ftype) PARAMS ((char *regbuf));
602 extern CORE_ADDR gdbarch_extract_struct_value_address PARAMS ((struct gdbarch *gdbarch, char *regbuf));
603 extern void set_gdbarch_extract_struct_value_address PARAMS ((struct gdbarch *gdbarch, gdbarch_extract_struct_value_address_ftype *extract_struct_value_address));
605 #if (GDB_MULTI_ARCH > 1) || !defined (EXTRACT_STRUCT_VALUE_ADDRESS)
606 #define EXTRACT_STRUCT_VALUE_ADDRESS(regbuf) (gdbarch_extract_struct_value_address (current_gdbarch, regbuf))
610 typedef int (gdbarch_use_struct_convention_ftype) PARAMS ((int gcc_p, struct type *value_type));
611 extern int gdbarch_use_struct_convention PARAMS ((struct gdbarch *gdbarch, int gcc_p, struct type *value_type));
612 extern void set_gdbarch_use_struct_convention PARAMS ((struct gdbarch *gdbarch, gdbarch_use_struct_convention_ftype *use_struct_convention));
614 #if (GDB_MULTI_ARCH > 1) || !defined (USE_STRUCT_CONVENTION)
615 #define USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_use_struct_convention (current_gdbarch, gcc_p, value_type))
619 typedef void (gdbarch_frame_init_saved_regs_ftype) PARAMS ((struct frame_info *frame));
620 extern void gdbarch_frame_init_saved_regs PARAMS ((struct gdbarch *gdbarch, struct frame_info *frame));
621 extern void set_gdbarch_frame_init_saved_regs PARAMS ((struct gdbarch *gdbarch, gdbarch_frame_init_saved_regs_ftype *frame_init_saved_regs));
623 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_INIT_SAVED_REGS)
624 #define FRAME_INIT_SAVED_REGS(frame) (gdbarch_frame_init_saved_regs (current_gdbarch, frame))
628 typedef void (gdbarch_init_extra_frame_info_ftype) PARAMS ((int fromleaf, struct frame_info *frame));
629 extern void gdbarch_init_extra_frame_info PARAMS ((struct gdbarch *gdbarch, int fromleaf, struct frame_info *frame));
630 extern void set_gdbarch_init_extra_frame_info PARAMS ((struct gdbarch *gdbarch, gdbarch_init_extra_frame_info_ftype *init_extra_frame_info));
632 #if (GDB_MULTI_ARCH > 1) || !defined (INIT_EXTRA_FRAME_INFO)
633 #define INIT_EXTRA_FRAME_INFO(fromleaf, frame) (gdbarch_init_extra_frame_info (current_gdbarch, fromleaf, frame))
637 typedef CORE_ADDR (gdbarch_skip_prologue_ftype) PARAMS ((CORE_ADDR ip));
638 extern CORE_ADDR gdbarch_skip_prologue PARAMS ((struct gdbarch *gdbarch, CORE_ADDR ip));
639 extern void set_gdbarch_skip_prologue PARAMS ((struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue));
641 #if (GDB_MULTI_ARCH > 1) || !defined (SKIP_PROLOGUE)
642 #define SKIP_PROLOGUE(ip) (gdbarch_skip_prologue (current_gdbarch, ip))
646 typedef int (gdbarch_inner_than_ftype) PARAMS ((CORE_ADDR lhs, CORE_ADDR rhs));
647 extern int gdbarch_inner_than PARAMS ((struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs));
648 extern void set_gdbarch_inner_than PARAMS ((struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than));
650 #if (GDB_MULTI_ARCH > 1) || !defined (INNER_THAN)
651 #define INNER_THAN(lhs, rhs) (gdbarch_inner_than (current_gdbarch, lhs, rhs))
655 typedef unsigned char * (gdbarch_breakpoint_from_pc_ftype) PARAMS ((CORE_ADDR *pcptr, int *lenptr));
656 extern unsigned char * gdbarch_breakpoint_from_pc PARAMS ((struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr));
657 extern void set_gdbarch_breakpoint_from_pc PARAMS ((struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc));
659 #if (GDB_MULTI_ARCH > 1) || !defined (BREAKPOINT_FROM_PC)
660 #define BREAKPOINT_FROM_PC(pcptr, lenptr) (gdbarch_breakpoint_from_pc (current_gdbarch, pcptr, lenptr))
664 extern CORE_ADDR gdbarch_decr_pc_after_break PARAMS ((struct gdbarch *gdbarch));
665 extern void set_gdbarch_decr_pc_after_break PARAMS ((struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break));
667 #if (GDB_MULTI_ARCH > 1) || !defined (DECR_PC_AFTER_BREAK)
668 #define DECR_PC_AFTER_BREAK (gdbarch_decr_pc_after_break (current_gdbarch))
672 extern CORE_ADDR gdbarch_function_start_offset PARAMS ((struct gdbarch *gdbarch));
673 extern void set_gdbarch_function_start_offset PARAMS ((struct gdbarch *gdbarch, CORE_ADDR function_start_offset));
675 #if (GDB_MULTI_ARCH > 1) || !defined (FUNCTION_START_OFFSET)
676 #define FUNCTION_START_OFFSET (gdbarch_function_start_offset (current_gdbarch))
680 typedef void (gdbarch_remote_translate_xfer_address_ftype) PARAMS ((CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len));
681 extern void gdbarch_remote_translate_xfer_address PARAMS ((struct gdbarch *gdbarch, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len));
682 extern void set_gdbarch_remote_translate_xfer_address PARAMS ((struct gdbarch *gdbarch, gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address));
684 #if (GDB_MULTI_ARCH > 1) || !defined (REMOTE_TRANSLATE_XFER_ADDRESS)
685 #define REMOTE_TRANSLATE_XFER_ADDRESS(gdb_addr, gdb_len, rem_addr, rem_len) (gdbarch_remote_translate_xfer_address (current_gdbarch, gdb_addr, gdb_len, rem_addr, rem_len))
689 extern CORE_ADDR gdbarch_frame_args_skip PARAMS ((struct gdbarch *gdbarch));
690 extern void set_gdbarch_frame_args_skip PARAMS ((struct gdbarch *gdbarch, CORE_ADDR frame_args_skip));
692 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_ARGS_SKIP)
693 #define FRAME_ARGS_SKIP (gdbarch_frame_args_skip (current_gdbarch))
697 typedef int (gdbarch_frameless_function_invocation_ftype) PARAMS ((struct frame_info *fi));
698 extern int gdbarch_frameless_function_invocation PARAMS ((struct gdbarch *gdbarch, struct frame_info *fi));
699 extern void set_gdbarch_frameless_function_invocation PARAMS ((struct gdbarch *gdbarch, gdbarch_frameless_function_invocation_ftype *frameless_function_invocation));
701 #if (GDB_MULTI_ARCH > 1) || !defined (FRAMELESS_FUNCTION_INVOCATION)
702 #define FRAMELESS_FUNCTION_INVOCATION(fi) (gdbarch_frameless_function_invocation (current_gdbarch, fi))
706 typedef CORE_ADDR (gdbarch_frame_chain_ftype) PARAMS ((struct frame_info *frame));
707 extern CORE_ADDR gdbarch_frame_chain PARAMS ((struct gdbarch *gdbarch, struct frame_info *frame));
708 extern void set_gdbarch_frame_chain PARAMS ((struct gdbarch *gdbarch, gdbarch_frame_chain_ftype *frame_chain));
710 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_CHAIN)
711 #define FRAME_CHAIN(frame) (gdbarch_frame_chain (current_gdbarch, frame))
715 typedef int (gdbarch_frame_chain_valid_ftype) PARAMS ((CORE_ADDR chain, struct frame_info *thisframe));
716 extern int gdbarch_frame_chain_valid PARAMS ((struct gdbarch *gdbarch, CORE_ADDR chain, struct frame_info *thisframe));
717 extern void set_gdbarch_frame_chain_valid PARAMS ((struct gdbarch *gdbarch, gdbarch_frame_chain_valid_ftype *frame_chain_valid));
719 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_CHAIN_VALID)
720 #define FRAME_CHAIN_VALID(chain, thisframe) (gdbarch_frame_chain_valid (current_gdbarch, chain, thisframe))
724 typedef CORE_ADDR (gdbarch_frame_saved_pc_ftype) PARAMS ((struct frame_info *fi));
725 extern CORE_ADDR gdbarch_frame_saved_pc PARAMS ((struct gdbarch *gdbarch, struct frame_info *fi));
726 extern void set_gdbarch_frame_saved_pc PARAMS ((struct gdbarch *gdbarch, gdbarch_frame_saved_pc_ftype *frame_saved_pc));
728 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_SAVED_PC)
729 #define FRAME_SAVED_PC(fi) (gdbarch_frame_saved_pc (current_gdbarch, fi))
733 typedef CORE_ADDR (gdbarch_frame_args_address_ftype) PARAMS ((struct frame_info *fi));
734 extern CORE_ADDR gdbarch_frame_args_address PARAMS ((struct gdbarch *gdbarch, struct frame_info *fi));
735 extern void set_gdbarch_frame_args_address PARAMS ((struct gdbarch *gdbarch, gdbarch_frame_args_address_ftype *frame_args_address));
737 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_ARGS_ADDRESS)
738 #define FRAME_ARGS_ADDRESS(fi) (gdbarch_frame_args_address (current_gdbarch, fi))
742 typedef CORE_ADDR (gdbarch_frame_locals_address_ftype) PARAMS ((struct frame_info *fi));
743 extern CORE_ADDR gdbarch_frame_locals_address PARAMS ((struct gdbarch *gdbarch, struct frame_info *fi));
744 extern void set_gdbarch_frame_locals_address PARAMS ((struct gdbarch *gdbarch, gdbarch_frame_locals_address_ftype *frame_locals_address));
746 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_LOCALS_ADDRESS)
747 #define FRAME_LOCALS_ADDRESS(fi) (gdbarch_frame_locals_address (current_gdbarch, fi))
751 typedef CORE_ADDR (gdbarch_saved_pc_after_call_ftype) PARAMS ((struct frame_info *frame));
752 extern CORE_ADDR gdbarch_saved_pc_after_call PARAMS ((struct gdbarch *gdbarch, struct frame_info *frame));
753 extern void set_gdbarch_saved_pc_after_call PARAMS ((struct gdbarch *gdbarch, gdbarch_saved_pc_after_call_ftype *saved_pc_after_call));
755 #if (GDB_MULTI_ARCH > 1) || !defined (SAVED_PC_AFTER_CALL)
756 #define SAVED_PC_AFTER_CALL(frame) (gdbarch_saved_pc_after_call (current_gdbarch, frame))
760 typedef int (gdbarch_frame_num_args_ftype) PARAMS ((struct frame_info *frame));
761 extern int gdbarch_frame_num_args PARAMS ((struct gdbarch *gdbarch, struct frame_info *frame));
762 extern void set_gdbarch_frame_num_args PARAMS ((struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args));
764 #if (GDB_MULTI_ARCH > 1) || !defined (FRAME_NUM_ARGS)
765 #define FRAME_NUM_ARGS(frame) (gdbarch_frame_num_args (current_gdbarch, frame))
769 extern struct gdbarch_tdep *gdbarch_tdep PARAMS ((struct gdbarch *gdbarch));
772 /* Mechanism for co-ordinating the selection of a specific
775 GDB targets (*-tdep.c) can register an interest in a specific
776 architecture. Other GDB components can register a need to maintain
777 per-architecture data.
779 The mechanisms below ensures that there is only a loose connection
780 between the set-architecture command and the various GDB
781 components. Each component can independantly register their need
782 to maintain architecture specific data with gdbarch.
786 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
789 The more traditional mega-struct containing architecture specific
790 data for all the various GDB components was also considered. Since
791 GDB is built from a variable number of (fairly independant)
792 components it was determined that the global aproach was not
796 /* Register a new architectural family with GDB.
798 Register support for the specified ARCHITECTURE with GDB. When
799 gdbarch determines that the specified architecture has been
800 selected, the corresponding INIT function is called.
804 The INIT function takes two parameters: INFO which contains the
805 information available to gdbarch about the (possibly new)
806 architecture; ARCHES which is a list of the previously created
807 ``struct gdbarch'' for this architecture.
809 The INIT function parameter INFO shall, as far as possible, be
810 pre-initialized with information obtained from INFO.ABFD or
811 previously selected architecture (if similar). INIT shall ensure
812 that the INFO.BYTE_ORDER is non-zero.
814 The INIT function shall return any of: NULL - indicating that it
815 doesn't reconize the selected architecture; an existing ``struct
816 gdbarch'' from the ARCHES list - indicating that the new
817 architecture is just a synonym for an earlier architecture (see
818 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
819 - that describes the selected architecture (see
824 struct gdbarch *gdbarch;
825 struct gdbarch_list *next;
830 /* Use default: bfd_arch_unknown (ZERO). */
831 enum bfd_architecture bfd_architecture;
833 /* Use default: NULL (ZERO). */
834 const struct bfd_arch_info *bfd_arch_info;
836 /* Use default: 0 (ZERO). */
839 /* Use default: NULL (ZERO). */
842 /* Use default: NULL (ZERO). */
843 struct gdbarch_tdep_info *tdep_info;
846 typedef struct gdbarch *(gdbarch_init_ftype) PARAMS ((struct gdbarch_info info, struct gdbarch_list *arches));
848 extern void register_gdbarch_init PARAMS ((enum bfd_architecture architecture, gdbarch_init_ftype *));
851 /* Helper function. Search the list of ARCHES for a GDBARCH that
852 matches the information provided by INFO. */
854 extern struct gdbarch_list *gdbarch_list_lookup_by_info PARAMS ((struct gdbarch_list *arches, const struct gdbarch_info *info));
857 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
858 basic initialization using values obtained from the INFO andTDEP
859 parameters. set_gdbarch_*() functions are called to complete the
860 initialization of the object. */
862 extern struct gdbarch *gdbarch_alloc PARAMS ((const struct gdbarch_info *info, struct gdbarch_tdep *tdep));
865 /* Helper function. Force an update of the current architecture. Used
866 by legacy targets that have added their own target specific
867 architecture manipulation commands.
869 The INFO parameter shall be fully initialized (``memset (&INFO,
870 sizeof (info), 0)'' set relevant fields) before gdbarch_update() is
871 called. gdbarch_update() shall initialize any ``default'' fields
872 using information obtained from the previous architecture or
873 INFO.ABFD (if specified) before calling the corresponding
874 architectures INIT function. */
876 extern int gdbarch_update PARAMS ((struct gdbarch_info info));
880 /* Register per-architecture data-pointer.
882 Reserve space for a per-architecture data-pointer. An identifier
883 for the reserved data-pointer is returned. That identifer should
884 be saved in a local static.
886 When a new architecture is selected, INIT() is called. When a
887 previous architecture is re-selected, the per-architecture
888 data-pointer for that previous architecture is restored (INIT() is
891 INIT() shall return the initial value for the per-architecture
892 data-pointer for the current architecture.
894 Multiple registrarants for any architecture are allowed (and
895 strongly encouraged). */
897 typedef void *(gdbarch_data_ftype) PARAMS ((void));
898 extern struct gdbarch_data *register_gdbarch_data PARAMS ((gdbarch_data_ftype *init));
900 /* Return the value of the per-architecture data-pointer for the
901 current architecture. */
903 extern void *gdbarch_data PARAMS ((struct gdbarch_data*));
907 /* Register per-architecture memory region.
909 Provide a memory-region swap mechanism. Per-architecture memory
910 region are created. These memory regions are swapped whenever the
911 architecture is changed. For a new architecture, the memory region
912 is initialized with zero (0) and the INIT function is called.
914 Memory regions are swapped / initialized in the order that they are
915 registered. NULL DATA and/or INIT values can be specified.
917 New code should use register_gdbarch_data(). */
919 typedef void (gdbarch_swap_ftype) PARAMS ((void));
920 extern void register_gdbarch_swap PARAMS ((void *data, unsigned long size, gdbarch_swap_ftype *init));
924 /* The target-system-dependant byte order is dynamic */
926 /* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
927 is selectable at runtime. The user can use the ``set endian''
928 command to change it. TARGET_BYTE_ORDER_AUTO is nonzero when
929 target_byte_order should be auto-detected (from the program image
933 /* Multi-arch GDB is always bi-endian. */
934 #define TARGET_BYTE_ORDER_SELECTABLE_P 1
937 #ifndef TARGET_BYTE_ORDER_SELECTABLE_P
938 /* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE
939 when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */
940 #ifdef TARGET_BYTE_ORDER_SELECTABLE
941 #define TARGET_BYTE_ORDER_SELECTABLE_P 1
943 #define TARGET_BYTE_ORDER_SELECTABLE_P 0
947 extern int target_byte_order;
948 #ifdef TARGET_BYTE_ORDER_SELECTABLE
949 /* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE
950 and expect defs.h to re-define TARGET_BYTE_ORDER. */
951 #undef TARGET_BYTE_ORDER
953 #ifndef TARGET_BYTE_ORDER
954 #define TARGET_BYTE_ORDER (target_byte_order + 0)
957 extern int target_byte_order_auto;
958 #ifndef TARGET_BYTE_ORDER_AUTO
959 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
964 /* The target-system-dependant BFD architecture is dynamic */
966 extern int target_architecture_auto;
967 #ifndef TARGET_ARCHITECTURE_AUTO
968 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
971 extern const struct bfd_arch_info *target_architecture;
972 #ifndef TARGET_ARCHITECTURE
973 #define TARGET_ARCHITECTURE (target_architecture + 0)
976 /* Notify the target dependant backend of a change to the selected
977 architecture. A zero return status indicates that the target did
978 not like the change. */
980 extern int (*target_architecture_hook) PARAMS ((const struct bfd_arch_info *));
984 /* The target-system-dependant disassembler is semi-dynamic */
986 #include "dis-asm.h" /* Get defs for disassemble_info */
988 extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
989 int len, disassemble_info *info));
991 extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
992 disassemble_info *info));
994 extern void dis_asm_print_address PARAMS ((bfd_vma addr,
995 disassemble_info *info));
997 extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
998 extern disassemble_info tm_print_insn_info;
999 #ifndef TARGET_PRINT_INSN
1000 #define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info)
1002 #ifndef TARGET_PRINT_INSN_INFO
1003 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1008 /* Explicit test for D10V architecture.
1009 USE of these macro's is *STRONGLY* discouraged. */
1011 #define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v)
1012 #ifndef D10V_MAKE_DADDR
1013 #define D10V_MAKE_DADDR(X) (fatal ("gdbarch: D10V_MAKE_DADDR"), 0)
1015 #ifndef D10V_MAKE_IADDR
1016 #define D10V_MAKE_IADDR(X) (fatal ("gdbarch: D10V_MAKE_IADDR"), 0)
1020 /* Fallback definition of FRAMELESS_FUNCTION_INVOCATION */
1021 #ifndef FRAMELESS_FUNCTION_INVOCATION
1022 #define FRAMELESS_FUNCTION_INVOCATION(FI) (0)
1026 /* Fallback definition of REGISTER_CONVERTIBLE etc */
1027 extern int generic_register_convertible_not PARAMS ((int reg_nr));
1028 #ifndef REGISTER_CONVERTIBLE
1029 #define REGISTER_CONVERTIBLE(x) (0)
1031 #ifndef REGISTER_CONVERT_TO_VIRTUAL
1032 #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a)
1034 #ifndef REGISTER_CONVERT_TO_RAW
1035 #define REGISTER_CONVERT_TO_RAW(x, y, z, a)
1039 /* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */
1040 #ifndef EXTRACT_STRUCT_VALUE_ADDRESS
1041 #define EXTRACT_STRUCT_VALUE_ADDRESS_P (0)
1042 #define EXTRACT_STRUCT_VALUE_ADDRESS(X) (fatal ("gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
1044 #ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P
1045 #define EXTRACT_STRUCT_VALUE_ADDRESS_P (1)
1050 /* Fallback definition for REGISTER_NAME for systems still defining
1052 #ifndef REGISTER_NAME
1053 extern char *gdb_register_names[];
1054 #define REGISTER_NAME(i) gdb_register_names[i]
1058 /* Set the dynamic target-system-dependant parameters (architecture,
1059 byte-order, ...) using information found in the BFD */
1061 extern void set_gdbarch_from_file PARAMS ((bfd *));
1064 /* Explicitly set the dynamic target-system-dependant parameters based
1065 on bfd_architecture and machine. */
1067 extern void set_architecture_from_arch_mach PARAMS ((enum bfd_architecture, unsigned long));
1070 /* Helper function for targets that don't know how my arguments are
1073 extern int frame_num_args_unknown PARAMS ((struct frame_info *fi));
1076 /* gdbarch trace variable */
1077 extern int gdbarch_debug;
1079 extern void gdbarch_dump PARAMS ((void));