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c4bfde41 JK |
1 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
2 | /* vi:set ro: */ | |
59233f88 | 3 | |
adf40b2e | 4 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 5 | |
ecd75fc8 | 6 | Copyright (C) 1998-2014 Free Software Foundation, Inc. |
c906108c | 7 | |
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
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 | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 13 | (at your option) any later version. |
de584861 | 14 | |
c5aa993b JM |
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. | |
de584861 | 19 | |
c5aa993b | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 22 | |
104c1213 JM |
23 | /* This file was created with the aid of ``gdbarch.sh''. |
24 | ||
52204a0b | 25 | The Bourne shell script ``gdbarch.sh'' creates the files |
104c1213 JM |
26 | ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them |
27 | against the existing ``gdbarch.[hc]''. Any differences found | |
28 | being reported. | |
29 | ||
30 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 31 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 32 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 33 | easier. */ |
adf40b2e | 34 | |
c906108c SS |
35 | #ifndef GDBARCH_H |
36 | #define GDBARCH_H | |
37 | ||
eb7a547a JB |
38 | #include "frame.h" |
39 | ||
da3331ec AC |
40 | struct floatformat; |
41 | struct ui_file; | |
cce74817 | 42 | struct value; |
b6af0555 | 43 | struct objfile; |
1c772458 | 44 | struct obj_section; |
a2cf933a | 45 | struct minimal_symbol; |
049ee0e4 | 46 | struct regcache; |
b59ff9d5 | 47 | struct reggroup; |
6ce6d90f | 48 | struct regset; |
a89aa300 | 49 | struct disassemble_info; |
e2d0e7eb | 50 | struct target_ops; |
030f20e1 | 51 | struct obstack; |
8181d85f | 52 | struct bp_target_info; |
424163ea | 53 | struct target_desc; |
237fc4c9 | 54 | struct displaced_step_closure; |
17ea7499 | 55 | struct core_regset_section; |
a96d9b2e | 56 | struct syscall; |
175ff332 | 57 | struct agent_expr; |
6710bf39 | 58 | struct axs_value; |
55aa24fb | 59 | struct stap_parse_info; |
7e35103a | 60 | struct ravenscar_arch_ops; |
b3ac9c77 | 61 | struct elf_internal_linux_prpsinfo; |
3437254d | 62 | struct mem_range; |
0f71a2f6 | 63 | |
6ecd4729 PA |
64 | /* The architecture associated with the inferior through the |
65 | connection to the target. | |
66 | ||
67 | The architecture vector provides some information that is really a | |
68 | property of the inferior, accessed through a particular target: | |
69 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
70 | vector; etc. To differentiate architecture accesses to | |
71 | per-inferior/target properties from | |
72 | per-thread/per-frame/per-objfile properties, accesses to | |
73 | per-inferior/target properties should be made through this | |
74 | gdbarch. */ | |
75 | ||
76 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 77 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 | 78 | |
19630284 JB |
79 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
80 | gdbarch method. */ | |
81 | ||
82 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
83 | (struct objfile *objfile, void *cb_data); | |
84 | ||
5aa82d05 | 85 | typedef void (iterate_over_regset_sections_cb) |
8f0435f7 AA |
86 | (const char *sect_name, int size, const struct regset *regset, |
87 | const char *human_name, void *cb_data); | |
5aa82d05 | 88 | |
0f71a2f6 | 89 | |
0963b4bd | 90 | /* The following are pre-initialized by GDBARCH. */ |
0f71a2f6 | 91 | |
104c1213 | 92 | extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch); |
0963b4bd | 93 | /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */ |
0f71a2f6 | 94 | |
94123b4f | 95 | extern enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch); |
0963b4bd | 96 | /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
0f71a2f6 | 97 | |
94123b4f | 98 | extern enum bfd_endian gdbarch_byte_order_for_code (struct gdbarch *gdbarch); |
0963b4bd | 99 | /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */ |
9d4fde75 | 100 | |
4be87837 | 101 | extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch); |
0963b4bd | 102 | /* set_gdbarch_osabi() - not applicable - pre-initialized. */ |
4be87837 | 103 | |
424163ea | 104 | extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch); |
0963b4bd | 105 | /* set_gdbarch_target_desc() - not applicable - pre-initialized. */ |
424163ea | 106 | |
0f71a2f6 | 107 | |
0963b4bd | 108 | /* The following are initialized by the target dependent code. */ |
0f71a2f6 | 109 | |
32c9a795 MD |
110 | /* The bit byte-order has to do just with numbering of bits in debugging symbols |
111 | and such. Conceptually, it's quite separate from byte/word byte order. */ | |
112 | ||
113 | extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch); | |
114 | extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian); | |
115 | ||
66b43ecb AC |
116 | /* Number of bits in a char or unsigned char for the target machine. |
117 | Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 118 | v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
119 | |
120 | Number of bits in a short or unsigned short for the target machine. */ | |
c4093a6a | 121 | |
104c1213 JM |
122 | extern int gdbarch_short_bit (struct gdbarch *gdbarch); |
123 | extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit); | |
0f71a2f6 | 124 | |
66b43ecb AC |
125 | /* Number of bits in an int or unsigned int for the target machine. */ |
126 | ||
104c1213 JM |
127 | extern int gdbarch_int_bit (struct gdbarch *gdbarch); |
128 | extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); | |
0f71a2f6 | 129 | |
66b43ecb AC |
130 | /* Number of bits in a long or unsigned long for the target machine. */ |
131 | ||
104c1213 JM |
132 | extern int gdbarch_long_bit (struct gdbarch *gdbarch); |
133 | extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); | |
0f71a2f6 | 134 | |
66b43ecb AC |
135 | /* Number of bits in a long long or unsigned long long for the target |
136 | machine. */ | |
137 | ||
104c1213 JM |
138 | extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); |
139 | extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); | |
0f71a2f6 | 140 | |
205c306f DM |
141 | /* Alignment of a long long or unsigned long long for the target |
142 | machine. */ | |
143 | ||
144 | extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); | |
145 | extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); | |
146 | ||
f9e9243a UW |
147 | /* The ABI default bit-size and format for "half", "float", "double", and |
148 | "long double". These bit/format pairs should eventually be combined | |
149 | into a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
150 | Each format describes both the big and little endian layouts (if |
151 | useful). */ | |
66b43ecb | 152 | |
f9e9243a UW |
153 | extern int gdbarch_half_bit (struct gdbarch *gdbarch); |
154 | extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit); | |
155 | ||
156 | extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch); | |
157 | extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format); | |
158 | ||
104c1213 JM |
159 | extern int gdbarch_float_bit (struct gdbarch *gdbarch); |
160 | extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit); | |
0f71a2f6 | 161 | |
8da61cc4 DJ |
162 | extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch); |
163 | extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format); | |
66b43ecb | 164 | |
104c1213 JM |
165 | extern int gdbarch_double_bit (struct gdbarch *gdbarch); |
166 | extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit); | |
0f71a2f6 | 167 | |
8da61cc4 DJ |
168 | extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch); |
169 | extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format); | |
66b43ecb | 170 | |
104c1213 JM |
171 | extern int gdbarch_long_double_bit (struct gdbarch *gdbarch); |
172 | extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit); | |
0f71a2f6 | 173 | |
8da61cc4 DJ |
174 | extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch); |
175 | extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format); | |
456fcf94 | 176 | |
52204a0b DT |
177 | /* For most targets, a pointer on the target and its representation as an |
178 | address in GDB have the same size and "look the same". For such a | |
17a912b6 | 179 | target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
180 | / addr_bit will be set from it. |
181 | ||
17a912b6 | 182 | If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
8da614df CV |
183 | also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
184 | gdbarch_address_to_pointer as well. | |
52204a0b DT |
185 | |
186 | ptr_bit is the size of a pointer on the target */ | |
66b43ecb | 187 | |
66b43ecb AC |
188 | extern int gdbarch_ptr_bit (struct gdbarch *gdbarch); |
189 | extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit); | |
66b43ecb | 190 | |
52204a0b DT |
191 | /* addr_bit is the size of a target address as represented in gdb */ |
192 | ||
52204a0b DT |
193 | extern int gdbarch_addr_bit (struct gdbarch *gdbarch); |
194 | extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit); | |
66b43ecb | 195 | |
8da614df CV |
196 | /* dwarf2_addr_size is the target address size as used in the Dwarf debug |
197 | info. For .debug_frame FDEs, this is supposed to be the target address | |
198 | size from the associated CU header, and which is equivalent to the | |
199 | DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. | |
200 | Unfortunately there is no good way to determine this value. Therefore | |
201 | dwarf2_addr_size simply defaults to the target pointer size. | |
202 | ||
203 | dwarf2_addr_size is not used for .eh_frame FDEs, which are generally | |
204 | defined using the target's pointer size so far. | |
205 | ||
206 | Note that dwarf2_addr_size only needs to be redefined by a target if the | |
207 | GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, | |
208 | and if Dwarf versions < 4 need to be supported. */ | |
209 | ||
210 | extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch); | |
211 | extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size); | |
212 | ||
4e409299 JB |
213 | /* One if `char' acts like `signed char', zero if `unsigned char'. */ |
214 | ||
4e409299 JB |
215 | extern int gdbarch_char_signed (struct gdbarch *gdbarch); |
216 | extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed); | |
4e409299 | 217 | |
cde9ea48 | 218 | extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); |
61a1198a UW |
219 | |
220 | typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache); | |
221 | extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache); | |
104c1213 | 222 | extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc); |
61a1198a UW |
223 | |
224 | extern int gdbarch_write_pc_p (struct gdbarch *gdbarch); | |
225 | ||
226 | typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val); | |
227 | extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val); | |
104c1213 | 228 | extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc); |
0f71a2f6 | 229 | |
39d4ef09 AC |
230 | /* Function for getting target's idea of a frame pointer. FIXME: GDB's |
231 | whole scheme for dealing with "frames" and "frame pointers" needs a | |
232 | serious shakedown. */ | |
233 | ||
a54fba4c | 234 | typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
39d4ef09 AC |
235 | extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
236 | extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer); | |
39d4ef09 | 237 | |
d8124050 | 238 | extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); |
61a0eb5b | 239 | |
05d1431c PA |
240 | typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
241 | extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); | |
d8124050 | 242 | extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); |
61a0eb5b | 243 | |
3543a589 TT |
244 | /* Read a register into a new struct value. If the register is wholly |
245 | or partly unavailable, this should call mark_value_bytes_unavailable | |
246 | as appropriate. If this is defined, then pseudo_register_read will | |
247 | never be called. */ | |
248 | ||
249 | extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); | |
250 | ||
251 | typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
252 | extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
253 | extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); | |
254 | ||
d8124050 | 255 | extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); |
61a0eb5b | 256 | |
b60c417a AC |
257 | typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
258 | extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); | |
d8124050 | 259 | extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write); |
61a0eb5b | 260 | |
104c1213 JM |
261 | extern int gdbarch_num_regs (struct gdbarch *gdbarch); |
262 | extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs); | |
0f71a2f6 | 263 | |
34620563 AC |
264 | /* This macro gives the number of pseudo-registers that live in the |
265 | register namespace but do not get fetched or stored on the target. | |
266 | These pseudo-registers may be aliases for other registers, | |
267 | combinations of other registers, or they may be computed by GDB. */ | |
268 | ||
0aba1244 EZ |
269 | extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch); |
270 | extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs); | |
0aba1244 | 271 | |
175ff332 HZ |
272 | /* Assemble agent expression bytecode to collect pseudo-register REG. |
273 | Return -1 if something goes wrong, 0 otherwise. */ | |
274 | ||
275 | extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch); | |
276 | ||
277 | typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
278 | extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
279 | extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect); | |
280 | ||
281 | /* Assemble agent expression bytecode to push the value of pseudo-register | |
282 | REG on the interpreter stack. | |
283 | Return -1 if something goes wrong, 0 otherwise. */ | |
284 | ||
285 | extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch); | |
286 | ||
287 | typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
288 | extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
289 | extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack); | |
290 | ||
c2169756 AC |
291 | /* GDB's standard (or well known) register numbers. These can map onto |
292 | a real register or a pseudo (computed) register or not be defined at | |
a9e5fdc2 | 293 | all (-1). |
3e8c568d | 294 | gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */ |
1200cd6e | 295 | |
104c1213 JM |
296 | extern int gdbarch_sp_regnum (struct gdbarch *gdbarch); |
297 | extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); | |
0f71a2f6 | 298 | |
104c1213 JM |
299 | extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); |
300 | extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); | |
0f71a2f6 | 301 | |
c2169756 AC |
302 | extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); |
303 | extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); | |
c2169756 | 304 | |
60054393 MS |
305 | extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch); |
306 | extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum); | |
60054393 | 307 | |
88c72b7d AC |
308 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ |
309 | ||
d3f73121 | 310 | typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr); |
88c72b7d AC |
311 | extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr); |
312 | extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum); | |
88c72b7d AC |
313 | |
314 | /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */ | |
315 | ||
d3f73121 | 316 | typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr); |
88c72b7d AC |
317 | extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr); |
318 | extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum); | |
88c72b7d | 319 | |
77949794 | 320 | /* Convert from an sdb register number to an internal gdb register number. */ |
88c72b7d | 321 | |
d3f73121 | 322 | typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr); |
88c72b7d AC |
323 | extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr); |
324 | extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum); | |
88c72b7d | 325 | |
ba2b1c56 DJ |
326 | /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */ |
327 | ||
d3f73121 | 328 | typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr); |
88c72b7d AC |
329 | extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr); |
330 | extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum); | |
88c72b7d | 331 | |
d93859e2 | 332 | typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr); |
fa88f677 | 333 | extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr); |
104c1213 | 334 | extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name); |
0f71a2f6 | 335 | |
7b9ee6a8 DJ |
336 | /* Return the type of a register specified by the architecture. Only |
337 | the register cache should call this function directly; others should | |
338 | use "register_type". */ | |
9c04cab7 AC |
339 | |
340 | extern int gdbarch_register_type_p (struct gdbarch *gdbarch); | |
341 | ||
342 | typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr); | |
343 | extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr); | |
344 | extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type); | |
345 | ||
669fac23 | 346 | extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch); |
f3be58bc | 347 | |
669fac23 DJ |
348 | typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame); |
349 | extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame); | |
350 | extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id); | |
f3be58bc | 351 | |
669fac23 | 352 | /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete |
064f5156 | 353 | deprecated_fp_regnum. */ |
f3be58bc | 354 | |
f3be58bc AC |
355 | extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch); |
356 | extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum); | |
f3be58bc | 357 | |
b8de8283 AC |
358 | extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch); |
359 | ||
7d9b040b RC |
360 | 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); |
361 | 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); | |
b8de8283 AC |
362 | extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call); |
363 | ||
b8de8283 AC |
364 | extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch); |
365 | extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location); | |
b8de8283 | 366 | |
b8de8283 AC |
367 | extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch); |
368 | ||
82585c72 UW |
369 | 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); |
370 | 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); | |
b8de8283 AC |
371 | extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code); |
372 | ||
0ab7a791 AC |
373 | typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
374 | extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); | |
375 | extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info); | |
376 | ||
23e3a7ac AC |
377 | extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch); |
378 | ||
379 | typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
380 | extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
5e74b15c | 381 | extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info); |
5e74b15c | 382 | |
e76f1f2e AC |
383 | extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch); |
384 | ||
385 | typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
386 | extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
387 | extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info); | |
388 | ||
7c7651b2 AC |
389 | /* MAP a GDB RAW register number onto a simulator register number. See |
390 | also include/...-sim.h. */ | |
391 | ||
e7faf938 | 392 | typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr); |
7c7651b2 AC |
393 | extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr); |
394 | extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno); | |
7c7651b2 | 395 | |
64a3914f | 396 | typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
397 | extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum); |
398 | extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register); | |
01fb7433 | 399 | |
64a3914f | 400 | typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
401 | extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum); |
402 | extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register); | |
01fb7433 | 403 | |
eade6471 JB |
404 | /* Determine the address where a longjmp will land and save this address |
405 | in PC. Return nonzero on success. | |
406 | ||
407 | FRAME corresponds to the longjmp frame. */ | |
9df628e0 | 408 | |
9df628e0 | 409 | extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch); |
0f71a2f6 | 410 | |
60ade65d UW |
411 | typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc); |
412 | extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc); | |
b8de8283 | 413 | extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target); |
0f71a2f6 | 414 | |
104c1213 JM |
415 | extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch); |
416 | extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion); | |
0f71a2f6 | 417 | |
0abe36f5 | 418 | typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type); |
ff2e87ac | 419 | extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type); |
13d01224 | 420 | extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p); |
13d01224 | 421 | |
8dccd430 PA |
422 | typedef int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
423 | extern int gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); | |
13d01224 | 424 | extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value); |
13d01224 | 425 | |
b60c417a AC |
426 | typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
427 | extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); | |
13d01224 | 428 | extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register); |
13d01224 | 429 | |
9acbedc0 | 430 | /* Construct a value representing the contents of register REGNUM in |
2ed3c037 | 431 | frame FRAME_ID, interpreted as type TYPE. The routine needs to |
9acbedc0 UW |
432 | allocate and return a struct value with all value attributes |
433 | (but not the value contents) filled in. */ | |
434 | ||
2ed3c037 UW |
435 | typedef struct value * (gdbarch_value_from_register_ftype) (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); |
436 | extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); | |
9acbedc0 UW |
437 | extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register); |
438 | ||
9898f801 | 439 | typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
b60c417a | 440 | extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
4478b372 | 441 | extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address); |
33489c5b | 442 | |
9898f801 | 443 | typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
b60c417a | 444 | extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
4478b372 | 445 | extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer); |
33489c5b | 446 | |
fc0c74b1 | 447 | extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch); |
fc0c74b1 | 448 | |
fc1a4b47 AC |
449 | typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
450 | extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); | |
fc0c74b1 | 451 | extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address); |
fc0c74b1 | 452 | |
6a3a010b MR |
453 | /* Return the return-value convention that will be used by FUNCTION |
454 | to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
455 | case the return convention is computed based only on VALTYPE. |
456 | ||
457 | If READBUF is not NULL, extract the return value and save it in this buffer. | |
458 | ||
459 | If WRITEBUF is not NULL, it contains a return value which will be | |
460 | stored into the appropriate register. This can be used when we want | |
461 | to force the value returned by a function (see the "return" command | |
462 | for instance). */ | |
92ad9cd9 AC |
463 | |
464 | extern int gdbarch_return_value_p (struct gdbarch *gdbarch); | |
465 | ||
6a3a010b MR |
466 | typedef enum return_value_convention (gdbarch_return_value_ftype) (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf); |
467 | extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf); | |
92ad9cd9 AC |
468 | extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value); |
469 | ||
18648a37 YQ |
470 | /* Return true if the return value of function is stored in the first hidden |
471 | parameter. In theory, this feature should be language-dependent, specified | |
472 | by language and its ABI, such as C++. Unfortunately, compiler may | |
473 | implement it to a target-dependent feature. So that we need such hook here | |
474 | to be aware of this in GDB. */ | |
475 | ||
476 | typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type); | |
477 | extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type); | |
478 | extern void set_gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, gdbarch_return_in_first_hidden_param_p_ftype *return_in_first_hidden_param_p); | |
479 | ||
6093d2eb | 480 | typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
104c1213 JM |
481 | extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
482 | extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue); | |
0f71a2f6 | 483 | |
4309257c PM |
484 | extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch); |
485 | ||
486 | typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); | |
487 | extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); | |
488 | extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue); | |
489 | ||
591a12a1 UW |
490 | /* On some platforms, a single function may provide multiple entry points, |
491 | e.g. one that is used for function-pointer calls and a different one | |
492 | that is used for direct function calls. | |
493 | In order to ensure that breakpoints set on the function will trigger | |
494 | no matter via which entry point the function is entered, a platform | |
495 | may provide the skip_entrypoint callback. It is called with IP set | |
496 | to the main entry point of a function (as determined by the symbol table), | |
497 | and should return the address of the innermost entry point, where the | |
498 | actual breakpoint needs to be set. Note that skip_entrypoint is used | |
499 | by GDB common code even when debugging optimized code, where skip_prologue | |
500 | is not used. */ | |
501 | ||
502 | extern int gdbarch_skip_entrypoint_p (struct gdbarch *gdbarch); | |
503 | ||
504 | typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); | |
505 | extern CORE_ADDR gdbarch_skip_entrypoint (struct gdbarch *gdbarch, CORE_ADDR ip); | |
506 | extern void set_gdbarch_skip_entrypoint (struct gdbarch *gdbarch, gdbarch_skip_entrypoint_ftype *skip_entrypoint); | |
507 | ||
104c1213 JM |
508 | typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs); |
509 | extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs); | |
510 | extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than); | |
0f71a2f6 | 511 | |
67d57894 | 512 | typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
fc1a4b47 | 513 | extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
104c1213 | 514 | extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc); |
33489c5b | 515 | |
a1dcb23a DJ |
516 | /* Return the adjusted address and kind to use for Z0/Z1 packets. |
517 | KIND is usually the memory length of the breakpoint, but may have a | |
518 | different target-specific meaning. */ | |
519 | ||
520 | typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
521 | extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
522 | extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc); | |
523 | ||
a1131521 KB |
524 | extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch); |
525 | ||
526 | typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
527 | extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
528 | extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address); | |
529 | ||
ae4b2284 | 530 | typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 531 | extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 532 | extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint); |
33489c5b | 533 | |
ae4b2284 | 534 | typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 535 | extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 536 | extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint); |
917317f4 | 537 | |
104c1213 JM |
538 | extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch); |
539 | extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break); | |
0f71a2f6 | 540 | |
782263ab AC |
541 | /* A function can be addressed by either it's "pointer" (possibly a |
542 | descriptor address) or "entry point" (first executable instruction). | |
543 | The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 544 | latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
545 | a simplified subset of that functionality - the function's address |
546 | corresponds to the "function pointer" and the function's start | |
547 | corresponds to the "function entry point" - and hence is redundant. */ | |
548 | ||
549 | extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch); | |
550 | extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset); | |
0f71a2f6 | 551 | |
123dc839 DJ |
552 | /* Return the remote protocol register number associated with this |
553 | register. Normally the identity mapping. */ | |
554 | ||
555 | typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno); | |
556 | extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno); | |
557 | extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number); | |
558 | ||
b2756930 KB |
559 | /* Fetch the target specific address used to represent a load module. */ |
560 | ||
b2756930 | 561 | extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch); |
b2756930 KB |
562 | |
563 | typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile); | |
564 | extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile); | |
565 | extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address); | |
b2756930 | 566 | |
104c1213 JM |
567 | extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch); |
568 | extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip); | |
0f71a2f6 | 569 | |
12cc2063 AC |
570 | extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch); |
571 | ||
572 | typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
573 | extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
574 | extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc); | |
575 | ||
a9e5fdc2 AC |
576 | extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch); |
577 | ||
578 | typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
579 | extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
580 | extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp); | |
581 | ||
42efa47a AC |
582 | /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
583 | frame-base. Enable frame-base before frame-unwind. */ | |
584 | ||
983a287a | 585 | extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch); |
983a287a | 586 | |
104c1213 JM |
587 | typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame); |
588 | extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame); | |
589 | extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args); | |
0f71a2f6 | 590 | |
dc604539 AC |
591 | extern int gdbarch_frame_align_p (struct gdbarch *gdbarch); |
592 | ||
593 | typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address); | |
594 | extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address); | |
595 | extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align); | |
596 | ||
192cb3d4 MK |
597 | typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type); |
598 | extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type); | |
599 | extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr); | |
600 | ||
8b148df9 AC |
601 | extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch); |
602 | extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size); | |
8b148df9 | 603 | |
e2d0e7eb AC |
604 | typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
605 | extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); | |
f517ea4e | 606 | extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr); |
f517ea4e | 607 | |
875e1767 AC |
608 | /* On some machines there are bits in addresses which are not really |
609 | part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 610 | for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
611 | we get a "real" address such as one would find in a symbol table. |
612 | This is used only for addresses of instructions, and even then I'm | |
613 | not sure it's used in all contexts. It exists to deal with there | |
614 | being a few stray bits in the PC which would mislead us, not as some | |
615 | sort of generic thing to handle alignment or segmentation (it's | |
616 | possible it should be in TARGET_READ_PC instead). */ | |
617 | ||
24568a2c | 618 | typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
875e1767 AC |
619 | extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); |
620 | extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); | |
875e1767 | 621 | |
e6590a1b UW |
622 | /* FIXME/cagney/2001-01-18: This should be split in two. A target method that |
623 | indicates if the target needs software single step. An ISA method to | |
624 | implement it. | |
64c4637f | 625 | |
e6590a1b UW |
626 | FIXME/cagney/2001-01-18: This should be replaced with something that inserts |
627 | breakpoints using the breakpoint system instead of blatting memory directly | |
628 | (as with rs6000). | |
64c4637f | 629 | |
e6590a1b UW |
630 | FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
631 | target can single step. If not, then implement single step using breakpoints. | |
632 | ||
f17b6955 | 633 | A return value of 1 means that the software_single_step breakpoints |
e6590a1b | 634 | were inserted; 0 means they were not. */ |
64c4637f | 635 | |
64c4637f | 636 | extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch); |
64c4637f | 637 | |
0b1b3e42 UW |
638 | typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame); |
639 | extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame); | |
64c4637f | 640 | extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step); |
64c4637f | 641 | |
3352ef37 AC |
642 | /* Return non-zero if the processor is executing a delay slot and a |
643 | further single-step is needed before the instruction finishes. */ | |
644 | ||
645 | extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch); | |
646 | ||
647 | typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); | |
648 | extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); | |
649 | extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); | |
650 | ||
f6c40618 | 651 | /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 652 | disassembler. Perhaps objdump can handle it? */ |
f6c40618 | 653 | |
a89aa300 AC |
654 | typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info); |
655 | extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info); | |
2bf0cb65 | 656 | extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn); |
2bf0cb65 | 657 | |
52f729a7 UW |
658 | typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc); |
659 | extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc); | |
bdcd319a | 660 | extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code); |
bdcd319a | 661 | |
cfd8ab24 | 662 | /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
663 | evaluates non-zero, this is the address where the debugger will place |
664 | a step-resume breakpoint to get us past the dynamic linker. */ | |
665 | ||
4c8c40e6 | 666 | typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); |
dea0c52f MK |
667 | extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc); |
668 | extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver); | |
dea0c52f | 669 | |
d50355b6 MS |
670 | /* Some systems also have trampoline code for returning from shared libs. */ |
671 | ||
2c02bd72 DE |
672 | typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
673 | extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); | |
d50355b6 | 674 | extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); |
d50355b6 | 675 | |
c12260ac CV |
676 | /* A target might have problems with watchpoints as soon as the stack |
677 | frame of the current function has been destroyed. This mostly happens | |
678 | as the first action in a funtion's epilogue. in_function_epilogue_p() | |
679 | is defined to return a non-zero value if either the given addr is one | |
680 | instruction after the stack destroying instruction up to the trailing | |
681 | return instruction or if we can figure out that the stack frame has | |
682 | already been invalidated regardless of the value of addr. Targets | |
683 | which don't suffer from that problem could just let this functionality | |
684 | untouched. */ | |
685 | ||
686 | typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
687 | extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr); | |
688 | extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p); | |
689 | ||
a2cf933a EZ |
690 | typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym); |
691 | extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym); | |
692 | extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special); | |
a2cf933a | 693 | |
a2cf933a EZ |
694 | typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym); |
695 | extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym); | |
696 | extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special); | |
a2cf933a | 697 | |
c4ed33b9 AC |
698 | extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch); |
699 | extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint); | |
c4ed33b9 | 700 | |
f74fa174 MM |
701 | extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch); |
702 | extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint); | |
f74fa174 | 703 | |
8b2dbe47 | 704 | extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch); |
8b2dbe47 | 705 | |
8b2dbe47 KB |
706 | typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class); |
707 | extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class); | |
708 | extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags); | |
8b2dbe47 | 709 | |
8b2dbe47 | 710 | extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch); |
8b2dbe47 | 711 | |
321432c0 KB |
712 | typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags); |
713 | extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags); | |
8b2dbe47 | 714 | 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); |
8b2dbe47 | 715 | |
69f97648 SM |
716 | /* Return the appropriate type_flags for the supplied address class. |
717 | This function should return 1 if the address class was recognized and | |
718 | type_flags was set, zero otherwise. */ | |
719 | ||
8b2dbe47 | 720 | extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch); |
8b2dbe47 | 721 | |
321432c0 KB |
722 | typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
723 | extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); | |
8b2dbe47 | 724 | 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); |
8b2dbe47 | 725 | |
b59ff9d5 AC |
726 | /* Is a register in a group */ |
727 | ||
728 | typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
729 | extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
730 | extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p); | |
731 | ||
2e092625 | 732 | /* Fetch the pointer to the ith function argument. */ |
143985b7 | 733 | |
143985b7 | 734 | extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch); |
143985b7 | 735 | |
143985b7 AF |
736 | typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type); |
737 | extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type); | |
738 | extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument); | |
143985b7 | 739 | |
5aa82d05 AA |
740 | /* Iterate over all supported register notes in a core file. For each |
741 | supported register note section, the iterator must call CB and pass | |
742 | CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit | |
743 | the supported register note sections based on the current register | |
744 | values. Otherwise it should enumerate all supported register note | |
745 | sections. */ | |
746 | ||
747 | extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch); | |
17ea7499 | 748 | |
5aa82d05 AA |
749 | typedef void (gdbarch_iterate_over_regset_sections_ftype) (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); |
750 | extern void gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); | |
751 | extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, gdbarch_iterate_over_regset_sections_ftype *iterate_over_regset_sections); | |
17ea7499 | 752 | |
6432734d UW |
753 | /* Create core file notes */ |
754 | ||
755 | extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch); | |
756 | ||
757 | typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
758 | extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
759 | extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes); | |
760 | ||
b3ac9c77 SDJ |
761 | /* The elfcore writer hook to use to write Linux prpsinfo notes to core |
762 | files. Most Linux architectures use the same prpsinfo32 or | |
763 | prpsinfo64 layouts, and so won't need to provide this hook, as we | |
764 | call the Linux generic routines in bfd to write prpsinfo notes by | |
765 | default. */ | |
766 | ||
767 | extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch *gdbarch); | |
768 | ||
769 | typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype) (bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); | |
770 | extern char * gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); | |
771 | extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, gdbarch_elfcore_write_linux_prpsinfo_ftype *elfcore_write_linux_prpsinfo); | |
772 | ||
35c2fab7 UW |
773 | /* Find core file memory regions */ |
774 | ||
775 | extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch); | |
776 | ||
777 | typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
778 | extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
779 | extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions); | |
780 | ||
de584861 | 781 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
c09f20e4 YQ |
782 | core file into buffer READBUF with length LEN. Return the number of bytes read |
783 | (zero indicates failure). | |
784 | failed, otherwise, return the red length of READBUF. */ | |
de584861 PA |
785 | |
786 | extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch); | |
787 | ||
c09f20e4 YQ |
788 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
789 | extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); | |
de584861 PA |
790 | extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries); |
791 | ||
356a5233 | 792 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
c09f20e4 YQ |
793 | libraries list from core file into buffer READBUF with length LEN. |
794 | Return the number of bytes read (zero indicates failure). */ | |
356a5233 JB |
795 | |
796 | extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch *gdbarch); | |
797 | ||
c09f20e4 YQ |
798 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
799 | extern ULONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); | |
356a5233 JB |
800 | extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_aix_ftype *core_xfer_shared_libraries_aix); |
801 | ||
c0edd9ed | 802 | /* How the core target converts a PTID from a core file to a string. */ |
28439f5e PA |
803 | |
804 | extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch); | |
805 | ||
806 | typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
807 | extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); | |
808 | extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); | |
809 | ||
a78c2d62 UW |
810 | /* BFD target to use when generating a core file. */ |
811 | ||
812 | extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch); | |
813 | ||
814 | extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch); | |
815 | extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target); | |
816 | ||
0d5de010 DJ |
817 | /* If the elements of C++ vtables are in-place function descriptors rather |
818 | than normal function pointers (which may point to code or a descriptor), | |
819 | set this to one. */ | |
820 | ||
821 | extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch); | |
822 | extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors); | |
823 | ||
824 | /* Set if the least significant bit of the delta is used instead of the least | |
825 | significant bit of the pfn for pointers to virtual member functions. */ | |
826 | ||
827 | extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch); | |
828 | extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta); | |
829 | ||
6d350bb5 UW |
830 | /* Advance PC to next instruction in order to skip a permanent breakpoint. */ |
831 | ||
832 | extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch); | |
833 | ||
834 | typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache); | |
835 | extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache); | |
836 | extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint); | |
837 | ||
1668ae25 | 838 | /* The maximum length of an instruction on this architecture in bytes. */ |
237fc4c9 PA |
839 | |
840 | extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch); | |
841 | ||
842 | extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch); | |
843 | extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length); | |
844 | ||
845 | /* Copy the instruction at FROM to TO, and make any adjustments | |
846 | necessary to single-step it at that address. | |
847 | ||
848 | REGS holds the state the thread's registers will have before | |
849 | executing the copied instruction; the PC in REGS will refer to FROM, | |
850 | not the copy at TO. The caller should update it to point at TO later. | |
851 | ||
852 | Return a pointer to data of the architecture's choice to be passed | |
853 | to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
854 | the instruction's effects have been completely simulated, with the | |
855 | resulting state written back to REGS. | |
856 | ||
857 | For a general explanation of displaced stepping and how GDB uses it, | |
858 | see the comments in infrun.c. | |
859 | ||
860 | The TO area is only guaranteed to have space for | |
861 | gdbarch_max_insn_length (arch) bytes, so this function must not | |
862 | write more bytes than that to that area. | |
863 | ||
864 | If you do not provide this function, GDB assumes that the | |
865 | architecture does not support displaced stepping. | |
866 | ||
867 | If your architecture doesn't need to adjust instructions before | |
868 | single-stepping them, consider using simple_displaced_step_copy_insn | |
869 | here. */ | |
870 | ||
871 | extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch); | |
872 | ||
873 | typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
874 | extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
875 | extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn); | |
876 | ||
99e40580 UW |
877 | /* Return true if GDB should use hardware single-stepping to execute |
878 | the displaced instruction identified by CLOSURE. If false, | |
879 | GDB will simply restart execution at the displaced instruction | |
880 | location, and it is up to the target to ensure GDB will receive | |
881 | control again (e.g. by placing a software breakpoint instruction | |
882 | into the displaced instruction buffer). | |
883 | ||
884 | The default implementation returns false on all targets that | |
885 | provide a gdbarch_software_single_step routine, and true otherwise. */ | |
886 | ||
887 | typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
888 | extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
889 | extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep); | |
890 | ||
237fc4c9 PA |
891 | /* Fix up the state resulting from successfully single-stepping a |
892 | displaced instruction, to give the result we would have gotten from | |
893 | stepping the instruction in its original location. | |
894 | ||
895 | REGS is the register state resulting from single-stepping the | |
896 | displaced instruction. | |
897 | ||
898 | CLOSURE is the result from the matching call to | |
899 | gdbarch_displaced_step_copy_insn. | |
900 | ||
901 | If you provide gdbarch_displaced_step_copy_insn.but not this | |
902 | function, then GDB assumes that no fixup is needed after | |
903 | single-stepping the instruction. | |
904 | ||
905 | For a general explanation of displaced stepping and how GDB uses it, | |
906 | see the comments in infrun.c. */ | |
907 | ||
908 | extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch); | |
909 | ||
910 | typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
911 | extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
912 | extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup); | |
913 | ||
914 | /* Free a closure returned by gdbarch_displaced_step_copy_insn. | |
915 | ||
916 | If you provide gdbarch_displaced_step_copy_insn, you must provide | |
917 | this function as well. | |
918 | ||
919 | If your architecture uses closures that don't need to be freed, then | |
920 | you can use simple_displaced_step_free_closure here. | |
921 | ||
922 | For a general explanation of displaced stepping and how GDB uses it, | |
923 | see the comments in infrun.c. */ | |
924 | ||
925 | typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
926 | extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
927 | extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure); | |
928 | ||
929 | /* Return the address of an appropriate place to put displaced | |
930 | instructions while we step over them. There need only be one such | |
931 | place, since we're only stepping one thread over a breakpoint at a | |
932 | time. | |
933 | ||
934 | For a general explanation of displaced stepping and how GDB uses it, | |
935 | see the comments in infrun.c. */ | |
936 | ||
937 | typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch); | |
938 | extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch); | |
939 | extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location); | |
940 | ||
dde08ee1 PA |
941 | /* Relocate an instruction to execute at a different address. OLDLOC |
942 | is the address in the inferior memory where the instruction to | |
943 | relocate is currently at. On input, TO points to the destination | |
944 | where we want the instruction to be copied (and possibly adjusted) | |
945 | to. On output, it points to one past the end of the resulting | |
946 | instruction(s). The effect of executing the instruction at TO shall | |
947 | be the same as if executing it at FROM. For example, call | |
948 | instructions that implicitly push the return address on the stack | |
949 | should be adjusted to return to the instruction after OLDLOC; | |
950 | relative branches, and other PC-relative instructions need the | |
951 | offset adjusted; etc. */ | |
952 | ||
953 | extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); | |
954 | ||
955 | typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
956 | extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
957 | extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); | |
958 | ||
1c772458 UW |
959 | /* Refresh overlay mapped state for section OSECT. */ |
960 | ||
961 | extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); | |
962 | ||
963 | typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect); | |
964 | extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect); | |
965 | extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update); | |
966 | ||
4eb0ad19 DJ |
967 | extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch); |
968 | ||
969 | typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
970 | extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
971 | extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description); | |
972 | ||
149ad273 UW |
973 | /* Handle special encoding of static variables in stabs debug info. */ |
974 | ||
975 | extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch); | |
976 | ||
0d5cff50 DE |
977 | typedef const char * (gdbarch_static_transform_name_ftype) (const char *name); |
978 | extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name); | |
149ad273 UW |
979 | extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name); |
980 | ||
203c3895 UW |
981 | /* Set if the address in N_SO or N_FUN stabs may be zero. */ |
982 | ||
983 | extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch); | |
984 | extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing); | |
985 | ||
0508c3ec HZ |
986 | /* Parse the instruction at ADDR storing in the record execution log |
987 | the registers REGCACHE and memory ranges that will be affected when | |
988 | the instruction executes, along with their current values. | |
989 | Return -1 if something goes wrong, 0 otherwise. */ | |
990 | ||
991 | extern int gdbarch_process_record_p (struct gdbarch *gdbarch); | |
992 | ||
993 | typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
994 | extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
995 | extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record); | |
3846b520 HZ |
996 | |
997 | /* Save process state after a signal. | |
998 | Return -1 if something goes wrong, 0 otherwise. */ | |
999 | ||
1000 | extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch); | |
1001 | ||
2ea28649 PA |
1002 | typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
1003 | extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); | |
3846b520 | 1004 | extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal); |
0508c3ec | 1005 | |
22203bbf | 1006 | /* Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
1007 | into GDB's representation. The implementation of this method must |
1008 | be host independent. IOW, don't rely on symbols of the NAT_FILE | |
1009 | header (the nm-*.h files), the host <signal.h> header, or similar | |
1010 | headers. This is mainly used when cross-debugging core files --- | |
1011 | "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
1012 | (target_wait, target_resume, etc.). */ |
1013 | ||
1014 | extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch); | |
22203bbf PA |
1015 | |
1016 | typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo); | |
1017 | extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo); | |
1018 | extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target); | |
1cded358 | 1019 | |
eb14d406 SDJ |
1020 | /* Signal translation: translate the GDB's internal signal number into |
1021 | the inferior's signal (target's) representation. The implementation | |
1022 | of this method must be host independent. IOW, don't rely on symbols | |
1023 | of the NAT_FILE header (the nm-*.h files), the host <signal.h> | |
1024 | header, or similar headers. | |
1025 | Return the target signal number if found, or -1 if the GDB internal | |
1026 | signal number is invalid. */ | |
1027 | ||
1028 | extern int gdbarch_gdb_signal_to_target_p (struct gdbarch *gdbarch); | |
1029 | ||
1030 | typedef int (gdbarch_gdb_signal_to_target_ftype) (struct gdbarch *gdbarch, enum gdb_signal signal); | |
1031 | extern int gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, enum gdb_signal signal); | |
1032 | extern void set_gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_to_target_ftype *gdb_signal_to_target); | |
1033 | ||
4aa995e1 | 1034 | /* Extra signal info inspection. |
959b8724 | 1035 | |
4aa995e1 PA |
1036 | Return a type suitable to inspect extra signal information. */ |
1037 | ||
1038 | extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch); | |
1039 | ||
1040 | typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch); | |
1041 | extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch); | |
1042 | extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type); | |
1043 | ||
60c5725c DJ |
1044 | /* Record architecture-specific information from the symbol table. */ |
1045 | ||
1046 | extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch); | |
1047 | ||
1048 | typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
1049 | extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
1050 | extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol); | |
1051 | ||
a96d9b2e SDJ |
1052 | /* Function for the 'catch syscall' feature. |
1053 | Get architecture-specific system calls information from registers. */ | |
1054 | ||
1055 | extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch); | |
1056 | ||
1057 | typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
1058 | extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid); | |
1059 | extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number); | |
1060 | ||
55aa24fb | 1061 | /* SystemTap related fields and functions. |
05c0465e SDJ |
1062 | A NULL-terminated array of prefixes used to mark an integer constant |
1063 | on the architecture's assembly. | |
55aa24fb SDJ |
1064 | For example, on x86 integer constants are written as: |
1065 | ||
1066 | $10 ;; integer constant 10 | |
1067 | ||
1068 | in this case, this prefix would be the character `$'. */ | |
1069 | ||
05c0465e SDJ |
1070 | extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch); |
1071 | extern void set_gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch, const char *const * stap_integer_prefixes); | |
55aa24fb | 1072 | |
05c0465e SDJ |
1073 | /* A NULL-terminated array of suffixes used to mark an integer constant |
1074 | on the architecture's assembly. */ | |
55aa24fb | 1075 | |
05c0465e SDJ |
1076 | extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch); |
1077 | extern void set_gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch, const char *const * stap_integer_suffixes); | |
55aa24fb | 1078 | |
05c0465e SDJ |
1079 | /* A NULL-terminated array of prefixes used to mark a register name on |
1080 | the architecture's assembly. | |
55aa24fb SDJ |
1081 | For example, on x86 the register name is written as: |
1082 | ||
1083 | %eax ;; register eax | |
1084 | ||
1085 | in this case, this prefix would be the character `%'. */ | |
1086 | ||
05c0465e SDJ |
1087 | extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch *gdbarch); |
1088 | extern void set_gdbarch_stap_register_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_prefixes); | |
55aa24fb | 1089 | |
05c0465e SDJ |
1090 | /* A NULL-terminated array of suffixes used to mark a register name on |
1091 | the architecture's assembly. */ | |
55aa24fb | 1092 | |
05c0465e SDJ |
1093 | extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch *gdbarch); |
1094 | extern void set_gdbarch_stap_register_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_suffixes); | |
55aa24fb | 1095 | |
05c0465e SDJ |
1096 | /* A NULL-terminated array of prefixes used to mark a register |
1097 | indirection on the architecture's assembly. | |
55aa24fb SDJ |
1098 | For example, on x86 the register indirection is written as: |
1099 | ||
1100 | (%eax) ;; indirecting eax | |
1101 | ||
1102 | in this case, this prefix would be the charater `('. | |
1103 | ||
1104 | Please note that we use the indirection prefix also for register | |
1105 | displacement, e.g., `4(%eax)' on x86. */ | |
1106 | ||
05c0465e SDJ |
1107 | extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch); |
1108 | extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_prefixes); | |
55aa24fb | 1109 | |
05c0465e SDJ |
1110 | /* A NULL-terminated array of suffixes used to mark a register |
1111 | indirection on the architecture's assembly. | |
55aa24fb SDJ |
1112 | For example, on x86 the register indirection is written as: |
1113 | ||
1114 | (%eax) ;; indirecting eax | |
1115 | ||
1116 | in this case, this prefix would be the charater `)'. | |
1117 | ||
1118 | Please note that we use the indirection suffix also for register | |
1119 | displacement, e.g., `4(%eax)' on x86. */ | |
1120 | ||
05c0465e SDJ |
1121 | extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch); |
1122 | extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_suffixes); | |
55aa24fb | 1123 | |
05c0465e | 1124 | /* Prefix(es) used to name a register using GDB's nomenclature. |
55aa24fb SDJ |
1125 | |
1126 | For example, on PPC a register is represented by a number in the assembly | |
1127 | language (e.g., `10' is the 10th general-purpose register). However, | |
1128 | inside GDB this same register has an `r' appended to its name, so the 10th | |
1129 | register would be represented as `r10' internally. */ | |
1130 | ||
1131 | extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch); | |
1132 | extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix); | |
1133 | ||
1134 | /* Suffix used to name a register using GDB's nomenclature. */ | |
1135 | ||
1136 | extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch); | |
1137 | extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix); | |
1138 | ||
1139 | /* Check if S is a single operand. | |
1140 | ||
1141 | Single operands can be: | |
1142 | - Literal integers, e.g. `$10' on x86 | |
1143 | - Register access, e.g. `%eax' on x86 | |
1144 | - Register indirection, e.g. `(%eax)' on x86 | |
1145 | - Register displacement, e.g. `4(%eax)' on x86 | |
1146 | ||
1147 | This function should check for these patterns on the string | |
1148 | and return 1 if some were found, or zero otherwise. Please try to match | |
1149 | as much info as you can from the string, i.e., if you have to match | |
1150 | something like `(%', do not match just the `('. */ | |
1151 | ||
1152 | extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch); | |
1153 | ||
1154 | typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s); | |
1155 | extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s); | |
1156 | extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand); | |
1157 | ||
1158 | /* Function used to handle a "special case" in the parser. | |
1159 | ||
1160 | A "special case" is considered to be an unknown token, i.e., a token | |
1161 | that the parser does not know how to parse. A good example of special | |
1162 | case would be ARM's register displacement syntax: | |
1163 | ||
1164 | [R0, #4] ;; displacing R0 by 4 | |
1165 | ||
1166 | Since the parser assumes that a register displacement is of the form: | |
1167 | ||
1168 | <number> <indirection_prefix> <register_name> <indirection_suffix> | |
1169 | ||
1170 | it means that it will not be able to recognize and parse this odd syntax. | |
1171 | Therefore, we should add a special case function that will handle this token. | |
1172 | ||
1173 | This function should generate the proper expression form of the expression | |
1174 | using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode' | |
1175 | and so on). It should also return 1 if the parsing was successful, or zero | |
1176 | if the token was not recognized as a special token (in this case, returning | |
1177 | zero means that the special parser is deferring the parsing to the generic | |
1178 | parser), and should advance the buffer pointer (p->arg). */ | |
1179 | ||
1180 | extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch); | |
1181 | ||
1182 | typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1183 | extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1184 | extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token); | |
1185 | ||
50c71eaf | 1186 | /* True if the list of shared libraries is one and only for all |
9bc9e927 | 1187 | processes, as opposed to a list of shared libraries per inferior. |
2567c7d9 PA |
1188 | This usually means that all processes, although may or may not share |
1189 | an address space, will see the same set of symbols at the same | |
1190 | addresses. */ | |
50c71eaf PA |
1191 | |
1192 | extern int gdbarch_has_global_solist (struct gdbarch *gdbarch); | |
1193 | extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist); | |
1194 | ||
2567c7d9 PA |
1195 | /* On some targets, even though each inferior has its own private |
1196 | address space, the debug interface takes care of making breakpoints | |
1197 | visible to all address spaces automatically. For such cases, | |
1198 | this property should be set to true. */ | |
1199 | ||
1200 | extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch); | |
1201 | extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints); | |
1202 | ||
6c95b8df PA |
1203 | /* True if inferiors share an address space (e.g., uClinux). */ |
1204 | ||
1205 | typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch); | |
1206 | extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch); | |
1207 | extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space); | |
1208 | ||
7a697b8d SS |
1209 | /* True if a fast tracepoint can be set at an address. */ |
1210 | ||
1211 | typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg); | |
1212 | extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg); | |
1213 | extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); | |
1214 | ||
f870a310 TT |
1215 | /* Return the "auto" target charset. */ |
1216 | ||
1217 | typedef const char * (gdbarch_auto_charset_ftype) (void); | |
1218 | extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch); | |
1219 | extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset); | |
1220 | ||
1221 | /* Return the "auto" target wide charset. */ | |
1222 | ||
1223 | typedef const char * (gdbarch_auto_wide_charset_ftype) (void); | |
1224 | extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch); | |
1225 | extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset); | |
1226 | ||
08105857 PA |
1227 | /* If non-empty, this is a file extension that will be opened in place |
1228 | of the file extension reported by the shared library list. | |
1229 | ||
1230 | This is most useful for toolchains that use a post-linker tool, | |
1231 | where the names of the files run on the target differ in extension | |
1232 | compared to the names of the files GDB should load for debug info. */ | |
1233 | ||
1234 | extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch); | |
1235 | extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension); | |
1236 | ||
1412f70b HZ |
1237 | /* If true, the target OS has DOS-based file system semantics. That |
1238 | is, absolute paths include a drive name, and the backslash is | |
1239 | considered a directory separator. */ | |
ab38a727 PA |
1240 | |
1241 | extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); | |
1242 | extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); | |
1243 | ||
6710bf39 SS |
1244 | /* Generate bytecodes to collect the return address in a frame. |
1245 | Since the bytecodes run on the target, possibly with GDB not even | |
1246 | connected, the full unwinding machinery is not available, and | |
1247 | typically this function will issue bytecodes for one or more likely | |
1248 | places that the return address may be found. */ | |
1249 | ||
1250 | typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1251 | extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1252 | extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); | |
1253 | ||
3030c96e UW |
1254 | /* Implement the "info proc" command. */ |
1255 | ||
1256 | extern int gdbarch_info_proc_p (struct gdbarch *gdbarch); | |
1257 | ||
7bc112c1 TT |
1258 | typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
1259 | extern void gdbarch_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); | |
3030c96e UW |
1260 | extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc); |
1261 | ||
451b7c33 TT |
1262 | /* Implement the "info proc" command for core files. Noe that there |
1263 | are two "info_proc"-like methods on gdbarch -- one for core files, | |
1264 | one for live targets. */ | |
1265 | ||
1266 | extern int gdbarch_core_info_proc_p (struct gdbarch *gdbarch); | |
1267 | ||
7bc112c1 TT |
1268 | typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
1269 | extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); | |
451b7c33 TT |
1270 | extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc); |
1271 | ||
19630284 JB |
1272 | /* Iterate over all objfiles in the order that makes the most sense |
1273 | for the architecture to make global symbol searches. | |
1274 | ||
1275 | CB is a callback function where OBJFILE is the objfile to be searched, | |
1276 | and CB_DATA a pointer to user-defined data (the same data that is passed | |
1277 | when calling this gdbarch method). The iteration stops if this function | |
1278 | returns nonzero. | |
1279 | ||
1280 | CB_DATA is a pointer to some user-defined data to be passed to | |
1281 | the callback. | |
1282 | ||
1283 | If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
1284 | inspected when the symbol search was requested. */ | |
1285 | ||
1286 | typedef void (gdbarch_iterate_over_objfiles_in_search_order_ftype) (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile); | |
1287 | extern void gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile); | |
1288 | extern void set_gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, gdbarch_iterate_over_objfiles_in_search_order_ftype *iterate_over_objfiles_in_search_order); | |
1289 | ||
7e35103a JB |
1290 | /* Ravenscar arch-dependent ops. */ |
1291 | ||
1292 | extern struct ravenscar_arch_ops * gdbarch_ravenscar_ops (struct gdbarch *gdbarch); | |
1293 | extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops); | |
1294 | ||
c2170eef MM |
1295 | /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */ |
1296 | ||
1297 | typedef int (gdbarch_insn_is_call_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1298 | extern int gdbarch_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1299 | extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call); | |
1300 | ||
1301 | /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */ | |
1302 | ||
1303 | typedef int (gdbarch_insn_is_ret_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1304 | extern int gdbarch_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1305 | extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret); | |
1306 | ||
1307 | /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */ | |
1308 | ||
1309 | typedef int (gdbarch_insn_is_jump_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1310 | extern int gdbarch_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1311 | extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump); | |
1312 | ||
27a48a92 MK |
1313 | /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR. |
1314 | Return 0 if *READPTR is already at the end of the buffer. | |
1315 | Return -1 if there is insufficient buffer for a whole entry. | |
1316 | Return 1 if an entry was read into *TYPEP and *VALP. */ | |
1317 | ||
1318 | extern int gdbarch_auxv_parse_p (struct gdbarch *gdbarch); | |
1319 | ||
1320 | typedef int (gdbarch_auxv_parse_ftype) (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); | |
1321 | extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); | |
1322 | extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse); | |
1323 | ||
3437254d PA |
1324 | /* Find the address range of the current inferior's vsyscall/vDSO, and |
1325 | write it to *RANGE. If the vsyscall's length can't be determined, a | |
1326 | range with zero length is returned. Returns true if the vsyscall is | |
1327 | found, false otherwise. */ | |
1328 | ||
1329 | typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_range *range); | |
1330 | extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range); | |
1331 | extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range); | |
1332 | ||
a96d9b2e SDJ |
1333 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1334 | #define UNKNOWN_SYSCALL (-1) | |
1335 | ||
104c1213 | 1336 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
0f71a2f6 JM |
1337 | |
1338 | ||
1339 | /* Mechanism for co-ordinating the selection of a specific | |
1340 | architecture. | |
1341 | ||
1342 | GDB targets (*-tdep.c) can register an interest in a specific | |
1343 | architecture. Other GDB components can register a need to maintain | |
1344 | per-architecture data. | |
1345 | ||
1346 | The mechanisms below ensures that there is only a loose connection | |
1347 | between the set-architecture command and the various GDB | |
99e7bb18 | 1348 | components. Each component can independently register their need |
0f71a2f6 JM |
1349 | to maintain architecture specific data with gdbarch. |
1350 | ||
1351 | Pragmatics: | |
1352 | ||
1353 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1354 | didn't scale. | |
1355 | ||
1356 | The more traditional mega-struct containing architecture specific | |
1357 | data for all the various GDB components was also considered. Since | |
99e7bb18 | 1358 | GDB is built from a variable number of (fairly independent) |
0f71a2f6 | 1359 | components it was determined that the global aproach was not |
0963b4bd | 1360 | applicable. */ |
0f71a2f6 JM |
1361 | |
1362 | ||
1363 | /* Register a new architectural family with GDB. | |
1364 | ||
1365 | Register support for the specified ARCHITECTURE with GDB. When | |
1366 | gdbarch determines that the specified architecture has been | |
1367 | selected, the corresponding INIT function is called. | |
1368 | ||
1369 | -- | |
1370 | ||
1371 | The INIT function takes two parameters: INFO which contains the | |
1372 | information available to gdbarch about the (possibly new) | |
1373 | architecture; ARCHES which is a list of the previously created | |
1374 | ``struct gdbarch'' for this architecture. | |
1375 | ||
0f79675b | 1376 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1377 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1378 | |
1379 | The ARCHES parameter is a linked list (sorted most recently used) | |
1380 | of all the previously created architures for this architecture | |
1381 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1382 | values from the previously selected architecture for this | |
59837fe0 | 1383 | architecture family. |
0f71a2f6 JM |
1384 | |
1385 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1386 | doesn't recognize the selected architecture; an existing ``struct |
0f71a2f6 JM |
1387 | gdbarch'' from the ARCHES list - indicating that the new |
1388 | architecture is just a synonym for an earlier architecture (see | |
1389 | gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch'' | |
4b9b3959 AC |
1390 | - that describes the selected architecture (see gdbarch_alloc()). |
1391 | ||
1392 | The DUMP_TDEP function shall print out all target specific values. | |
1393 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1394 | multi-arch and non- multi-arch cases. */ |
0f71a2f6 | 1395 | |
adf40b2e JM |
1396 | struct gdbarch_list |
1397 | { | |
1398 | struct gdbarch *gdbarch; | |
1399 | struct gdbarch_list *next; | |
1400 | }; | |
0f71a2f6 | 1401 | |
adf40b2e JM |
1402 | struct gdbarch_info |
1403 | { | |
0963b4bd | 1404 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1405 | const struct bfd_arch_info *bfd_arch_info; |
0f71a2f6 | 1406 | |
428721aa | 1407 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
94123b4f | 1408 | enum bfd_endian byte_order; |
0f71a2f6 | 1409 | |
94123b4f | 1410 | enum bfd_endian byte_order_for_code; |
9d4fde75 | 1411 | |
0963b4bd | 1412 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1413 | bfd *abfd; |
0f71a2f6 | 1414 | |
0963b4bd | 1415 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1416 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1417 | |
1418 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1419 | enum gdb_osabi osabi; | |
424163ea DJ |
1420 | |
1421 | /* Use default: NULL (ZERO). */ | |
1422 | const struct target_desc *target_desc; | |
adf40b2e | 1423 | }; |
0f71a2f6 | 1424 | |
104c1213 | 1425 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
4b9b3959 | 1426 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1427 | |
4b9b3959 | 1428 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 | 1429 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
0f71a2f6 | 1430 | |
4b9b3959 AC |
1431 | extern void gdbarch_register (enum bfd_architecture architecture, |
1432 | gdbarch_init_ftype *, | |
1433 | gdbarch_dump_tdep_ftype *); | |
1434 | ||
0f71a2f6 | 1435 | |
b4a20239 AC |
1436 | /* Return a freshly allocated, NULL terminated, array of the valid |
1437 | architecture names. Since architectures are registered during the | |
1438 | _initialize phase this function only returns useful information | |
0963b4bd | 1439 | once initialization has been completed. */ |
b4a20239 AC |
1440 | |
1441 | extern const char **gdbarch_printable_names (void); | |
1442 | ||
1443 | ||
0f71a2f6 | 1444 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1445 | matches the information provided by INFO. */ |
0f71a2f6 | 1446 | |
424163ea | 1447 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
0f71a2f6 JM |
1448 | |
1449 | ||
1450 | /* Helper function. Create a preliminary ``struct gdbarch''. Perform | |
424163ea | 1451 | basic initialization using values obtained from the INFO and TDEP |
0f71a2f6 | 1452 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1453 | initialization of the object. */ |
0f71a2f6 | 1454 | |
104c1213 | 1455 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
0f71a2f6 JM |
1456 | |
1457 | ||
4b9b3959 AC |
1458 | /* Helper function. Free a partially-constructed ``struct gdbarch''. |
1459 | It is assumed that the caller freeds the ``struct | |
0963b4bd | 1460 | gdbarch_tdep''. */ |
4b9b3959 | 1461 | |
058f20d5 JB |
1462 | extern void gdbarch_free (struct gdbarch *); |
1463 | ||
1464 | ||
aebd7893 AC |
1465 | /* Helper function. Allocate memory from the ``struct gdbarch'' |
1466 | obstack. The memory is freed when the corresponding architecture | |
1467 | is also freed. */ | |
1468 | ||
1469 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1470 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1471 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1472 | ||
1473 | ||
0963b4bd | 1474 | /* Helper function. Force an update of the current architecture. |
0f71a2f6 | 1475 | |
b732d07d AC |
1476 | The actual architecture selected is determined by INFO, ``(gdb) set |
1477 | architecture'' et.al., the existing architecture and BFD's default | |
1478 | architecture. INFO should be initialized to zero and then selected | |
1479 | fields should be updated. | |
0f71a2f6 | 1480 | |
0963b4bd | 1481 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1482 | |
1483 | extern int gdbarch_update_p (struct gdbarch_info info); | |
0f71a2f6 JM |
1484 | |
1485 | ||
ebdba546 AC |
1486 | /* Helper function. Find an architecture matching info. |
1487 | ||
1488 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1489 | set, and then finished using gdbarch_info_fill. | |
1490 | ||
1491 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1492 | architecture was found. */ |
ebdba546 AC |
1493 | |
1494 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1495 | ||
1496 | ||
aff68abb | 1497 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1498 | |
aff68abb | 1499 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1500 | |
0f71a2f6 JM |
1501 | |
1502 | /* Register per-architecture data-pointer. | |
1503 | ||
1504 | Reserve space for a per-architecture data-pointer. An identifier | |
1505 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1506 | be saved in a local static variable. |
0f71a2f6 | 1507 | |
fcc1c85c AC |
1508 | Memory for the per-architecture data shall be allocated using |
1509 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1510 | corresponding architecture object is deleted. | |
0f71a2f6 | 1511 | |
95160752 AC |
1512 | When a previously created architecture is re-selected, the |
1513 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1514 | restored. INIT() is not re-called. |
0f71a2f6 JM |
1515 | |
1516 | Multiple registrarants for any architecture are allowed (and | |
1517 | strongly encouraged). */ | |
1518 | ||
95160752 | 1519 | struct gdbarch_data; |
0f71a2f6 | 1520 | |
030f20e1 AC |
1521 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1522 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1523 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1524 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1525 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1526 | struct gdbarch_data *data, | |
1527 | void *pointer); | |
0f71a2f6 | 1528 | |
451fbdda | 1529 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
0f71a2f6 JM |
1530 | |
1531 | ||
99e7bb18 | 1532 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1533 | byte-order, ...) using information found in the BFD. */ |
c906108c | 1534 | |
104c1213 | 1535 | extern void set_gdbarch_from_file (bfd *); |
c906108c SS |
1536 | |
1537 | ||
e514a9d6 JM |
1538 | /* Initialize the current architecture to the "first" one we find on |
1539 | our list. */ | |
1540 | ||
1541 | extern void initialize_current_architecture (void); | |
1542 | ||
c906108c | 1543 | /* gdbarch trace variable */ |
ccce17b0 | 1544 | extern unsigned int gdbarch_debug; |
c906108c | 1545 | |
4b9b3959 | 1546 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1547 | |
c906108c | 1548 | #endif |