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, 2007
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 3 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, see <http://www.gnu.org/licenses/>. */
23 /* This file was created with the aid of ``gdbarch.sh''.
25 The Bourne shell script ``gdbarch.sh'' creates the files
26 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
27 against the existing ``gdbarch.[hc]''. Any differences found
30 If editing this file, please also run gdbarch.sh and merge any
31 changes into that script. Conversely, when making sweeping changes
32 to this file, modifying gdbarch.sh and using its output may prove
44 struct minimal_symbol;
48 struct disassemble_info;
51 struct bp_target_info;
54 extern struct gdbarch *current_gdbarch;
57 /* The following are pre-initialized by GDBARCH. */
59 extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
60 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
62 extern int gdbarch_byte_order (struct gdbarch *gdbarch);
63 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
65 extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch);
66 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
68 extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch);
69 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
72 /* The following are initialized by the target dependent code. */
74 /* Number of bits in a char or unsigned char for the target machine.
75 Just like CHAR_BIT in <limits.h> but describes the target machine.
76 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
78 Number of bits in a short or unsigned short for the target machine. */
80 extern int gdbarch_short_bit (struct gdbarch *gdbarch);
81 extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
83 /* Number of bits in an int or unsigned int for the target machine. */
85 extern int gdbarch_int_bit (struct gdbarch *gdbarch);
86 extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
88 /* Number of bits in a long or unsigned long for the target machine. */
90 extern int gdbarch_long_bit (struct gdbarch *gdbarch);
91 extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
93 /* Number of bits in a long long or unsigned long long for the target
96 extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
97 extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
99 /* The ABI default bit-size and format for "float", "double", and "long
100 double". These bit/format pairs should eventually be combined into
101 a single object. For the moment, just initialize them as a pair.
102 Each format describes both the big and little endian layouts (if
105 extern int gdbarch_float_bit (struct gdbarch *gdbarch);
106 extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
108 extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch);
109 extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format);
111 extern int gdbarch_double_bit (struct gdbarch *gdbarch);
112 extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
114 extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch);
115 extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format);
117 extern int gdbarch_long_double_bit (struct gdbarch *gdbarch);
118 extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit);
120 extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch);
121 extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format);
123 /* For most targets, a pointer on the target and its representation as an
124 address in GDB have the same size and "look the same". For such a
125 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
126 / addr_bit will be set from it.
128 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
129 also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer
132 ptr_bit is the size of a pointer on the target */
134 extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
135 extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
137 /* addr_bit is the size of a target address as represented in gdb */
139 extern int gdbarch_addr_bit (struct gdbarch *gdbarch);
140 extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit);
142 /* One if `char' acts like `signed char', zero if `unsigned char'. */
144 extern int gdbarch_char_signed (struct gdbarch *gdbarch);
145 extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed);
147 extern int gdbarch_read_pc_p (struct gdbarch *gdbarch);
149 typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache);
150 extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache);
151 extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
153 extern int gdbarch_write_pc_p (struct gdbarch *gdbarch);
155 typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val);
156 extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val);
157 extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
159 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
160 whole scheme for dealing with "frames" and "frame pointers" needs a
161 serious shakedown. */
163 typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
164 extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
165 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
167 extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch);
169 typedef void (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
170 extern void gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
171 extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read);
173 extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch);
175 typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
176 extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
177 extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write);
179 extern int gdbarch_num_regs (struct gdbarch *gdbarch);
180 extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs);
182 /* This macro gives the number of pseudo-registers that live in the
183 register namespace but do not get fetched or stored on the target.
184 These pseudo-registers may be aliases for other registers,
185 combinations of other registers, or they may be computed by GDB. */
187 extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch);
188 extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs);
190 /* GDB's standard (or well known) register numbers. These can map onto
191 a real register or a pseudo (computed) register or not be defined at
193 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
195 extern int gdbarch_sp_regnum (struct gdbarch *gdbarch);
196 extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum);
198 extern int gdbarch_pc_regnum (struct gdbarch *gdbarch);
199 extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
201 extern int gdbarch_ps_regnum (struct gdbarch *gdbarch);
202 extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum);
204 extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch);
205 extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum);
207 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
209 typedef int (gdbarch_stab_reg_to_regnum_ftype) (int stab_regnr);
210 extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
211 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
213 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
215 typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (int ecoff_regnr);
216 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
217 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
219 /* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
221 typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (int dwarf_regnr);
222 extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
223 extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
225 /* Convert from an sdb register number to an internal gdb register number. */
227 typedef int (gdbarch_sdb_reg_to_regnum_ftype) (int sdb_regnr);
228 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
229 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
231 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (int dwarf2_regnr);
232 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
233 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
235 typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr);
236 extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr);
237 extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
239 /* Return the type of a register specified by the architecture. Only
240 the register cache should call this function directly; others should
241 use "register_type". */
243 extern int gdbarch_register_type_p (struct gdbarch *gdbarch);
245 typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr);
246 extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr);
247 extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type);
249 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
251 extern int gdbarch_unwind_dummy_id_p (struct gdbarch *gdbarch);
253 typedef struct frame_id (gdbarch_unwind_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *info);
254 extern struct frame_id gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *info);
255 extern void set_gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, gdbarch_unwind_dummy_id_ftype *unwind_dummy_id);
257 /* Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
258 deprecated_fp_regnum. */
260 extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch);
261 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum);
263 /* See gdbint.texinfo. See infcall.c. */
265 extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch);
267 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);
268 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);
269 extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call);
271 extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch);
272 extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location);
274 extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch);
276 typedef CORE_ADDR (gdbarch_push_dummy_code_ftype) (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
277 extern CORE_ADDR gdbarch_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
278 extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code);
280 typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all);
281 extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all);
282 extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info);
284 extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch);
286 typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
287 extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
288 extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
290 extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch);
292 typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
293 extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
294 extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info);
296 /* MAP a GDB RAW register number onto a simulator register number. See
297 also include/...-sim.h. */
299 typedef int (gdbarch_register_sim_regno_ftype) (int reg_nr);
300 extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
301 extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
303 typedef int (gdbarch_cannot_fetch_register_ftype) (int regnum);
304 extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum);
305 extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register);
307 typedef int (gdbarch_cannot_store_register_ftype) (int regnum);
308 extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
309 extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
311 /* setjmp/longjmp support. */
313 extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
315 typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc);
316 extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc);
317 extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
319 extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch);
320 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
322 typedef int (gdbarch_convert_register_p_ftype) (int regnum, struct type *type);
323 extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type);
324 extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p);
326 typedef void (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf);
327 extern void gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf);
328 extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value);
330 typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf);
331 extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf);
332 extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register);
334 /* Construct a value representing the contents of register REGNUM in
335 frame FRAME, interpreted as type TYPE. The routine needs to
336 allocate and return a struct value with all value attributes
337 (but not the value contents) filled in. */
339 typedef struct value * (gdbarch_value_from_register_ftype) (struct type *type, int regnum, struct frame_info *frame);
340 extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame);
341 extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register);
343 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct type *type, const gdb_byte *buf);
344 extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
345 extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address);
347 typedef void (gdbarch_address_to_pointer_ftype) (struct type *type, gdb_byte *buf, CORE_ADDR addr);
348 extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
349 extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer);
351 extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch);
353 typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
354 extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
355 extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
357 /* It has been suggested that this, well actually its predecessor,
358 should take the type/value of the function to be called and not the
359 return type. This is left as an exercise for the reader. */
361 extern int gdbarch_return_value_p (struct gdbarch *gdbarch);
363 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);
364 extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
365 extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value);
367 typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (CORE_ADDR ip);
368 extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
369 extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
371 typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
372 extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
373 extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
375 typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
376 extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
377 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
379 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch);
381 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
382 extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
383 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address);
385 typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct bp_target_info *bp_tgt);
386 extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
387 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
389 typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct bp_target_info *bp_tgt);
390 extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
391 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
393 extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch);
394 extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break);
396 /* A function can be addressed by either it's "pointer" (possibly a
397 descriptor address) or "entry point" (first executable instruction).
398 The method "convert_from_func_ptr_addr" converting the former to the
399 latter. gdbarch_deprecated_function_start_offset is being used to implement
400 a simplified subset of that functionality - the function's address
401 corresponds to the "function pointer" and the function's start
402 corresponds to the "function entry point" - and hence is redundant. */
404 extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch);
405 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset);
407 /* Return the remote protocol register number associated with this
408 register. Normally the identity mapping. */
410 typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno);
411 extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno);
412 extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number);
414 /* Fetch the target specific address used to represent a load module. */
416 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch);
418 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile);
419 extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile);
420 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address);
422 extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch);
423 extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip);
425 extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch);
427 typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame);
428 extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame);
429 extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc);
431 extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch);
433 typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame);
434 extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame);
435 extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp);
437 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
438 frame-base. Enable frame-base before frame-unwind. */
440 extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch);
442 typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame);
443 extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame);
444 extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);
446 extern int gdbarch_frame_align_p (struct gdbarch *gdbarch);
448 typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address);
449 extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address);
450 extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align);
452 typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type);
453 extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type);
454 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr);
456 extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch);
457 extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size);
459 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
460 extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
461 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr);
463 /* On some machines there are bits in addresses which are not really
464 part of the address, but are used by the kernel, the hardware, etc.
465 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
466 we get a "real" address such as one would find in a symbol table.
467 This is used only for addresses of instructions, and even then I'm
468 not sure it's used in all contexts. It exists to deal with there
469 being a few stray bits in the PC which would mislead us, not as some
470 sort of generic thing to handle alignment or segmentation (it's
471 possible it should be in TARGET_READ_PC instead). */
473 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (CORE_ADDR addr);
474 extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
475 extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
477 /* It is not at all clear why gdbarch_smash_text_address is not folded into
478 gdbarch_addr_bits_remove. */
480 typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (CORE_ADDR addr);
481 extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
482 extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
484 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
485 indicates if the target needs software single step. An ISA method to
488 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
489 breakpoints using the breakpoint system instead of blatting memory directly
492 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
493 target can single step. If not, then implement single step using breakpoints.
495 A return value of 1 means that the software_single_step breakpoints
496 were inserted; 0 means they were not. */
498 extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
500 typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame);
501 extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame);
502 extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
504 /* Return non-zero if the processor is executing a delay slot and a
505 further single-step is needed before the instruction finishes. */
507 extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch);
509 typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame);
510 extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame);
511 extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay);
513 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
514 disassembler. Perhaps objdump can handle it? */
516 typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info);
517 extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info);
518 extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
520 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc);
521 extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc);
522 extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
524 /* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
525 evaluates non-zero, this is the address where the debugger will place
526 a step-resume breakpoint to get us past the dynamic linker. */
528 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc);
529 extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc);
530 extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver);
532 /* Some systems also have trampoline code for returning from shared libs. */
534 typedef int (gdbarch_in_solib_return_trampoline_ftype) (CORE_ADDR pc, char *name);
535 extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
536 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline);
538 /* A target might have problems with watchpoints as soon as the stack
539 frame of the current function has been destroyed. This mostly happens
540 as the first action in a funtion's epilogue. in_function_epilogue_p()
541 is defined to return a non-zero value if either the given addr is one
542 instruction after the stack destroying instruction up to the trailing
543 return instruction or if we can figure out that the stack frame has
544 already been invalidated regardless of the value of addr. Targets
545 which don't suffer from that problem could just let this functionality
548 typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
549 extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
550 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
552 /* Given a vector of command-line arguments, return a newly allocated
553 string which, when passed to the create_inferior function, will be
554 parsed (on Unix systems, by the shell) to yield the same vector.
555 This function should call error() if the argument vector is not
556 representable for this target or if this target does not support
557 command-line arguments.
558 ARGC is the number of elements in the vector.
559 ARGV is an array of strings, one per argument. */
561 typedef char * (gdbarch_construct_inferior_arguments_ftype) (struct gdbarch *gdbarch, int argc, char **argv);
562 extern char * gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv);
563 extern void set_gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments);
565 typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
566 extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
567 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
569 typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym);
570 extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
571 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
573 extern const char * gdbarch_name_of_malloc (struct gdbarch *gdbarch);
574 extern void set_gdbarch_name_of_malloc (struct gdbarch *gdbarch, const char * name_of_malloc);
576 extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch);
577 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
579 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch);
580 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint);
582 extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch);
584 typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class);
585 extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class);
586 extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags);
588 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch);
590 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags);
591 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags);
592 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);
594 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch);
596 typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr);
597 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr);
598 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);
600 /* Is a register in a group */
602 typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup);
603 extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup);
604 extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p);
606 /* Fetch the pointer to the ith function argument. */
608 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch);
610 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type);
611 extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type);
612 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument);
614 /* Return the appropriate register set for a core file section with
615 name SECT_NAME and size SECT_SIZE. */
617 extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch);
619 typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
620 extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
621 extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section);
623 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
624 core file into buffer READBUF with length LEN. */
626 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
628 typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
629 extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
630 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries);
632 /* If the elements of C++ vtables are in-place function descriptors rather
633 than normal function pointers (which may point to code or a descriptor),
636 extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch);
637 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors);
639 /* Set if the least significant bit of the delta is used instead of the least
640 significant bit of the pfn for pointers to virtual member functions. */
642 extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch);
643 extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta);
645 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
647 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch);
649 typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache);
650 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
651 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
653 /* Refresh overlay mapped state for section OSECT. */
655 extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);
657 typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect);
658 extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect);
659 extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update);
661 extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch);
663 typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
664 extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
665 extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description);
667 /* Handle special encoding of static variables in stabs debug info. */
669 extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch);
671 typedef char * (gdbarch_static_transform_name_ftype) (char *name);
672 extern char * gdbarch_static_transform_name (struct gdbarch *gdbarch, char *name);
673 extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name);
675 /* Set if the address in N_SO or N_FUN stabs may be zero. */
677 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch);
678 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing);
680 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
683 /* Mechanism for co-ordinating the selection of a specific
686 GDB targets (*-tdep.c) can register an interest in a specific
687 architecture. Other GDB components can register a need to maintain
688 per-architecture data.
690 The mechanisms below ensures that there is only a loose connection
691 between the set-architecture command and the various GDB
692 components. Each component can independently register their need
693 to maintain architecture specific data with gdbarch.
697 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
700 The more traditional mega-struct containing architecture specific
701 data for all the various GDB components was also considered. Since
702 GDB is built from a variable number of (fairly independent)
703 components it was determined that the global aproach was not
707 /* Register a new architectural family with GDB.
709 Register support for the specified ARCHITECTURE with GDB. When
710 gdbarch determines that the specified architecture has been
711 selected, the corresponding INIT function is called.
715 The INIT function takes two parameters: INFO which contains the
716 information available to gdbarch about the (possibly new)
717 architecture; ARCHES which is a list of the previously created
718 ``struct gdbarch'' for this architecture.
720 The INFO parameter is, as far as possible, be pre-initialized with
721 information obtained from INFO.ABFD or the global defaults.
723 The ARCHES parameter is a linked list (sorted most recently used)
724 of all the previously created architures for this architecture
725 family. The (possibly NULL) ARCHES->gdbarch can used to access
726 values from the previously selected architecture for this
727 architecture family. The global ``current_gdbarch'' shall not be
730 The INIT function shall return any of: NULL - indicating that it
731 doesn't recognize the selected architecture; an existing ``struct
732 gdbarch'' from the ARCHES list - indicating that the new
733 architecture is just a synonym for an earlier architecture (see
734 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
735 - that describes the selected architecture (see gdbarch_alloc()).
737 The DUMP_TDEP function shall print out all target specific values.
738 Care should be taken to ensure that the function works in both the
739 multi-arch and non- multi-arch cases. */
743 struct gdbarch *gdbarch;
744 struct gdbarch_list *next;
749 /* Use default: NULL (ZERO). */
750 const struct bfd_arch_info *bfd_arch_info;
752 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
755 /* Use default: NULL (ZERO). */
758 /* Use default: NULL (ZERO). */
759 struct gdbarch_tdep_info *tdep_info;
761 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
762 enum gdb_osabi osabi;
764 /* Use default: NULL (ZERO). */
765 const struct target_desc *target_desc;
768 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
769 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
771 /* DEPRECATED - use gdbarch_register() */
772 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
774 extern void gdbarch_register (enum bfd_architecture architecture,
775 gdbarch_init_ftype *,
776 gdbarch_dump_tdep_ftype *);
779 /* Return a freshly allocated, NULL terminated, array of the valid
780 architecture names. Since architectures are registered during the
781 _initialize phase this function only returns useful information
782 once initialization has been completed. */
784 extern const char **gdbarch_printable_names (void);
787 /* Helper function. Search the list of ARCHES for a GDBARCH that
788 matches the information provided by INFO. */
790 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
793 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
794 basic initialization using values obtained from the INFO and TDEP
795 parameters. set_gdbarch_*() functions are called to complete the
796 initialization of the object. */
798 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
801 /* Helper function. Free a partially-constructed ``struct gdbarch''.
802 It is assumed that the caller freeds the ``struct
805 extern void gdbarch_free (struct gdbarch *);
808 /* Helper function. Allocate memory from the ``struct gdbarch''
809 obstack. The memory is freed when the corresponding architecture
812 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
813 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
814 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
817 /* Helper function. Force an update of the current architecture.
819 The actual architecture selected is determined by INFO, ``(gdb) set
820 architecture'' et.al., the existing architecture and BFD's default
821 architecture. INFO should be initialized to zero and then selected
822 fields should be updated.
824 Returns non-zero if the update succeeds */
826 extern int gdbarch_update_p (struct gdbarch_info info);
829 /* Helper function. Find an architecture matching info.
831 INFO should be initialized using gdbarch_info_init, relevant fields
832 set, and then finished using gdbarch_info_fill.
834 Returns the corresponding architecture, or NULL if no matching
835 architecture was found. "current_gdbarch" is not updated. */
837 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
840 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
842 FIXME: kettenis/20031124: Of the functions that follow, only
843 gdbarch_from_bfd is supposed to survive. The others will
844 dissappear since in the future GDB will (hopefully) be truly
845 multi-arch. However, for now we're still stuck with the concept of
846 a single active architecture. */
848 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
851 /* Register per-architecture data-pointer.
853 Reserve space for a per-architecture data-pointer. An identifier
854 for the reserved data-pointer is returned. That identifer should
855 be saved in a local static variable.
857 Memory for the per-architecture data shall be allocated using
858 gdbarch_obstack_zalloc. That memory will be deleted when the
859 corresponding architecture object is deleted.
861 When a previously created architecture is re-selected, the
862 per-architecture data-pointer for that previous architecture is
863 restored. INIT() is not re-called.
865 Multiple registrarants for any architecture are allowed (and
866 strongly encouraged). */
870 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
871 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
872 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
873 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
874 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
875 struct gdbarch_data *data,
878 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
881 /* Set the dynamic target-system-dependent parameters (architecture,
882 byte-order, ...) using information found in the BFD */
884 extern void set_gdbarch_from_file (bfd *);
887 /* Initialize the current architecture to the "first" one we find on
890 extern void initialize_current_architecture (void);
892 /* gdbarch trace variable */
893 extern int gdbarch_debug;
895 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);