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