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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 | |
618f726f | 6 | Copyright (C) 1998-2016 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. |
618f726f | 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. | |
618f726f | 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; |
3e29f34a MR |
54 | struct objfile; |
55 | struct symbol; | |
237fc4c9 | 56 | struct displaced_step_closure; |
a96d9b2e | 57 | struct syscall; |
175ff332 | 58 | struct agent_expr; |
6710bf39 | 59 | struct axs_value; |
55aa24fb | 60 | struct stap_parse_info; |
8b367e17 | 61 | struct parser_state; |
7e35103a | 62 | struct ravenscar_arch_ops; |
b3ac9c77 | 63 | struct elf_internal_linux_prpsinfo; |
3437254d | 64 | struct mem_range; |
458c8db8 | 65 | struct syscalls_info; |
4dfc5dbc | 66 | struct thread_info; |
0f71a2f6 | 67 | |
8a526fa6 PA |
68 | #include "regcache.h" |
69 | ||
6ecd4729 PA |
70 | /* The architecture associated with the inferior through the |
71 | connection to the target. | |
72 | ||
73 | The architecture vector provides some information that is really a | |
74 | property of the inferior, accessed through a particular target: | |
75 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
76 | vector; etc. To differentiate architecture accesses to | |
77 | per-inferior/target properties from | |
78 | per-thread/per-frame/per-objfile properties, accesses to | |
79 | per-inferior/target properties should be made through this | |
80 | gdbarch. */ | |
81 | ||
82 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 83 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 | 84 | |
19630284 JB |
85 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
86 | gdbarch method. */ | |
87 | ||
88 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
89 | (struct objfile *objfile, void *cb_data); | |
90 | ||
1528345d AA |
91 | /* Callback type for regset section iterators. The callback usually |
92 | invokes the REGSET's supply or collect method, to which it must | |
93 | pass a buffer with at least the given SIZE. SECT_NAME is a BFD | |
94 | section name, and HUMAN_NAME is used for diagnostic messages. | |
95 | CB_DATA should have been passed unchanged through the iterator. */ | |
96 | ||
5aa82d05 | 97 | typedef void (iterate_over_regset_sections_cb) |
8f0435f7 AA |
98 | (const char *sect_name, int size, const struct regset *regset, |
99 | const char *human_name, void *cb_data); | |
5aa82d05 | 100 | |
0f71a2f6 | 101 | |
0963b4bd | 102 | /* The following are pre-initialized by GDBARCH. */ |
0f71a2f6 | 103 | |
104c1213 | 104 | extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch); |
0963b4bd | 105 | /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */ |
0f71a2f6 | 106 | |
94123b4f | 107 | extern enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch); |
0963b4bd | 108 | /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
0f71a2f6 | 109 | |
94123b4f | 110 | extern enum bfd_endian gdbarch_byte_order_for_code (struct gdbarch *gdbarch); |
0963b4bd | 111 | /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */ |
9d4fde75 | 112 | |
4be87837 | 113 | extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch); |
0963b4bd | 114 | /* set_gdbarch_osabi() - not applicable - pre-initialized. */ |
4be87837 | 115 | |
424163ea | 116 | extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch); |
0963b4bd | 117 | /* set_gdbarch_target_desc() - not applicable - pre-initialized. */ |
424163ea | 118 | |
0f71a2f6 | 119 | |
0963b4bd | 120 | /* The following are initialized by the target dependent code. */ |
0f71a2f6 | 121 | |
32c9a795 MD |
122 | /* The bit byte-order has to do just with numbering of bits in debugging symbols |
123 | and such. Conceptually, it's quite separate from byte/word byte order. */ | |
124 | ||
125 | extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch); | |
126 | extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian); | |
127 | ||
66b43ecb AC |
128 | /* Number of bits in a char or unsigned char for the target machine. |
129 | Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 130 | v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
131 | |
132 | Number of bits in a short or unsigned short for the target machine. */ | |
c4093a6a | 133 | |
104c1213 JM |
134 | extern int gdbarch_short_bit (struct gdbarch *gdbarch); |
135 | extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit); | |
0f71a2f6 | 136 | |
66b43ecb AC |
137 | /* Number of bits in an int or unsigned int for the target machine. */ |
138 | ||
104c1213 JM |
139 | extern int gdbarch_int_bit (struct gdbarch *gdbarch); |
140 | extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); | |
0f71a2f6 | 141 | |
66b43ecb AC |
142 | /* Number of bits in a long or unsigned long for the target machine. */ |
143 | ||
104c1213 JM |
144 | extern int gdbarch_long_bit (struct gdbarch *gdbarch); |
145 | extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); | |
0f71a2f6 | 146 | |
66b43ecb AC |
147 | /* Number of bits in a long long or unsigned long long for the target |
148 | machine. */ | |
149 | ||
104c1213 JM |
150 | extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); |
151 | extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); | |
0f71a2f6 | 152 | |
205c306f DM |
153 | /* Alignment of a long long or unsigned long long for the target |
154 | machine. */ | |
155 | ||
156 | extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); | |
157 | extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); | |
158 | ||
f9e9243a UW |
159 | /* The ABI default bit-size and format for "half", "float", "double", and |
160 | "long double". These bit/format pairs should eventually be combined | |
161 | into a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
162 | Each format describes both the big and little endian layouts (if |
163 | useful). */ | |
66b43ecb | 164 | |
f9e9243a UW |
165 | extern int gdbarch_half_bit (struct gdbarch *gdbarch); |
166 | extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit); | |
167 | ||
168 | extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch); | |
169 | extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format); | |
170 | ||
104c1213 JM |
171 | extern int gdbarch_float_bit (struct gdbarch *gdbarch); |
172 | extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit); | |
0f71a2f6 | 173 | |
8da61cc4 DJ |
174 | extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch); |
175 | extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format); | |
66b43ecb | 176 | |
104c1213 JM |
177 | extern int gdbarch_double_bit (struct gdbarch *gdbarch); |
178 | extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit); | |
0f71a2f6 | 179 | |
8da61cc4 DJ |
180 | extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch); |
181 | extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format); | |
66b43ecb | 182 | |
104c1213 JM |
183 | extern int gdbarch_long_double_bit (struct gdbarch *gdbarch); |
184 | extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit); | |
0f71a2f6 | 185 | |
8da61cc4 DJ |
186 | extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch); |
187 | extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format); | |
456fcf94 | 188 | |
52204a0b DT |
189 | /* For most targets, a pointer on the target and its representation as an |
190 | address in GDB have the same size and "look the same". For such a | |
17a912b6 | 191 | target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
192 | / addr_bit will be set from it. |
193 | ||
17a912b6 | 194 | If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
8da614df CV |
195 | also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
196 | gdbarch_address_to_pointer as well. | |
52204a0b DT |
197 | |
198 | ptr_bit is the size of a pointer on the target */ | |
66b43ecb | 199 | |
66b43ecb AC |
200 | extern int gdbarch_ptr_bit (struct gdbarch *gdbarch); |
201 | extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit); | |
66b43ecb | 202 | |
52204a0b DT |
203 | /* addr_bit is the size of a target address as represented in gdb */ |
204 | ||
52204a0b DT |
205 | extern int gdbarch_addr_bit (struct gdbarch *gdbarch); |
206 | extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit); | |
66b43ecb | 207 | |
8da614df CV |
208 | /* dwarf2_addr_size is the target address size as used in the Dwarf debug |
209 | info. For .debug_frame FDEs, this is supposed to be the target address | |
210 | size from the associated CU header, and which is equivalent to the | |
211 | DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. | |
212 | Unfortunately there is no good way to determine this value. Therefore | |
213 | dwarf2_addr_size simply defaults to the target pointer size. | |
214 | ||
215 | dwarf2_addr_size is not used for .eh_frame FDEs, which are generally | |
216 | defined using the target's pointer size so far. | |
217 | ||
218 | Note that dwarf2_addr_size only needs to be redefined by a target if the | |
219 | GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, | |
220 | and if Dwarf versions < 4 need to be supported. */ | |
221 | ||
222 | extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch); | |
223 | extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size); | |
224 | ||
4e409299 JB |
225 | /* One if `char' acts like `signed char', zero if `unsigned char'. */ |
226 | ||
4e409299 JB |
227 | extern int gdbarch_char_signed (struct gdbarch *gdbarch); |
228 | extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed); | |
4e409299 | 229 | |
cde9ea48 | 230 | extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); |
61a1198a UW |
231 | |
232 | typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache); | |
233 | extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache); | |
104c1213 | 234 | extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc); |
61a1198a UW |
235 | |
236 | extern int gdbarch_write_pc_p (struct gdbarch *gdbarch); | |
237 | ||
238 | typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val); | |
239 | extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val); | |
104c1213 | 240 | extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc); |
0f71a2f6 | 241 | |
39d4ef09 AC |
242 | /* Function for getting target's idea of a frame pointer. FIXME: GDB's |
243 | whole scheme for dealing with "frames" and "frame pointers" needs a | |
244 | serious shakedown. */ | |
245 | ||
a54fba4c | 246 | typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
39d4ef09 AC |
247 | extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
248 | extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer); | |
39d4ef09 | 249 | |
d8124050 | 250 | extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); |
61a0eb5b | 251 | |
05d1431c PA |
252 | typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
253 | extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); | |
d8124050 | 254 | extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); |
61a0eb5b | 255 | |
3543a589 TT |
256 | /* Read a register into a new struct value. If the register is wholly |
257 | or partly unavailable, this should call mark_value_bytes_unavailable | |
258 | as appropriate. If this is defined, then pseudo_register_read will | |
259 | never be called. */ | |
260 | ||
261 | extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); | |
262 | ||
263 | typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
264 | extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
265 | extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); | |
266 | ||
d8124050 | 267 | extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); |
61a0eb5b | 268 | |
b60c417a AC |
269 | typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
270 | extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); | |
d8124050 | 271 | extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write); |
61a0eb5b | 272 | |
104c1213 JM |
273 | extern int gdbarch_num_regs (struct gdbarch *gdbarch); |
274 | extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs); | |
0f71a2f6 | 275 | |
34620563 AC |
276 | /* This macro gives the number of pseudo-registers that live in the |
277 | register namespace but do not get fetched or stored on the target. | |
278 | These pseudo-registers may be aliases for other registers, | |
279 | combinations of other registers, or they may be computed by GDB. */ | |
280 | ||
0aba1244 EZ |
281 | extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch); |
282 | extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs); | |
0aba1244 | 283 | |
175ff332 HZ |
284 | /* Assemble agent expression bytecode to collect pseudo-register REG. |
285 | Return -1 if something goes wrong, 0 otherwise. */ | |
286 | ||
287 | extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch); | |
288 | ||
289 | typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
290 | extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
291 | extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect); | |
292 | ||
293 | /* Assemble agent expression bytecode to push the value of pseudo-register | |
294 | REG on the interpreter stack. | |
295 | Return -1 if something goes wrong, 0 otherwise. */ | |
296 | ||
297 | extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch); | |
298 | ||
299 | typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
300 | extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
301 | extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack); | |
302 | ||
c2169756 AC |
303 | /* GDB's standard (or well known) register numbers. These can map onto |
304 | a real register or a pseudo (computed) register or not be defined at | |
a9e5fdc2 | 305 | all (-1). |
3e8c568d | 306 | gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */ |
1200cd6e | 307 | |
104c1213 JM |
308 | extern int gdbarch_sp_regnum (struct gdbarch *gdbarch); |
309 | extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); | |
0f71a2f6 | 310 | |
104c1213 JM |
311 | extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); |
312 | extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); | |
0f71a2f6 | 313 | |
c2169756 AC |
314 | extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); |
315 | extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); | |
c2169756 | 316 | |
60054393 MS |
317 | extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch); |
318 | extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum); | |
60054393 | 319 | |
88c72b7d AC |
320 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ |
321 | ||
d3f73121 | 322 | typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr); |
88c72b7d AC |
323 | extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr); |
324 | extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum); | |
88c72b7d AC |
325 | |
326 | /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */ | |
327 | ||
d3f73121 | 328 | typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr); |
88c72b7d AC |
329 | extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr); |
330 | extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum); | |
88c72b7d | 331 | |
77949794 | 332 | /* Convert from an sdb register number to an internal gdb register number. */ |
88c72b7d | 333 | |
d3f73121 | 334 | typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr); |
88c72b7d AC |
335 | extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr); |
336 | extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum); | |
88c72b7d | 337 | |
0fde2c53 DE |
338 | /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
339 | Return -1 for bad REGNUM. Note: Several targets get this wrong. */ | |
ba2b1c56 | 340 | |
d3f73121 | 341 | typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr); |
88c72b7d AC |
342 | extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr); |
343 | extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum); | |
88c72b7d | 344 | |
d93859e2 | 345 | typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr); |
fa88f677 | 346 | extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr); |
104c1213 | 347 | extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name); |
0f71a2f6 | 348 | |
7b9ee6a8 DJ |
349 | /* Return the type of a register specified by the architecture. Only |
350 | the register cache should call this function directly; others should | |
351 | use "register_type". */ | |
9c04cab7 AC |
352 | |
353 | extern int gdbarch_register_type_p (struct gdbarch *gdbarch); | |
354 | ||
355 | typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr); | |
356 | extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr); | |
357 | extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type); | |
358 | ||
669fac23 | 359 | extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch); |
f3be58bc | 360 | |
669fac23 DJ |
361 | typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame); |
362 | extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame); | |
363 | extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id); | |
f3be58bc | 364 | |
669fac23 | 365 | /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete |
064f5156 | 366 | deprecated_fp_regnum. */ |
f3be58bc | 367 | |
f3be58bc AC |
368 | extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch); |
369 | extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum); | |
f3be58bc | 370 | |
b8de8283 AC |
371 | extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch); |
372 | ||
7d9b040b RC |
373 | 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); |
374 | 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 |
375 | extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call); |
376 | ||
b8de8283 AC |
377 | extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch); |
378 | extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location); | |
b8de8283 | 379 | |
b8de8283 AC |
380 | extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch); |
381 | ||
82585c72 UW |
382 | 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); |
383 | 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 |
384 | extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code); |
385 | ||
0ab7a791 AC |
386 | typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
387 | extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); | |
388 | extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info); | |
389 | ||
23e3a7ac AC |
390 | typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
391 | extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
5e74b15c | 392 | extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info); |
5e74b15c | 393 | |
e76f1f2e AC |
394 | extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch); |
395 | ||
396 | typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
397 | extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
398 | extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info); | |
399 | ||
7c7651b2 AC |
400 | /* MAP a GDB RAW register number onto a simulator register number. See |
401 | also include/...-sim.h. */ | |
402 | ||
e7faf938 | 403 | typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr); |
7c7651b2 AC |
404 | extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr); |
405 | extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno); | |
7c7651b2 | 406 | |
64a3914f | 407 | typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
408 | extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum); |
409 | extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register); | |
01fb7433 | 410 | |
64a3914f | 411 | typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
412 | extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum); |
413 | extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register); | |
01fb7433 | 414 | |
eade6471 JB |
415 | /* Determine the address where a longjmp will land and save this address |
416 | in PC. Return nonzero on success. | |
417 | ||
418 | FRAME corresponds to the longjmp frame. */ | |
9df628e0 | 419 | |
9df628e0 | 420 | extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch); |
0f71a2f6 | 421 | |
60ade65d UW |
422 | typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc); |
423 | extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc); | |
b8de8283 | 424 | extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target); |
0f71a2f6 | 425 | |
104c1213 JM |
426 | extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch); |
427 | extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion); | |
0f71a2f6 | 428 | |
0abe36f5 | 429 | typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type); |
ff2e87ac | 430 | extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type); |
13d01224 | 431 | extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p); |
13d01224 | 432 | |
8dccd430 PA |
433 | typedef int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
434 | 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 | 435 | extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value); |
13d01224 | 436 | |
b60c417a AC |
437 | typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
438 | extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); | |
13d01224 | 439 | extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register); |
13d01224 | 440 | |
9acbedc0 | 441 | /* Construct a value representing the contents of register REGNUM in |
2ed3c037 | 442 | frame FRAME_ID, interpreted as type TYPE. The routine needs to |
9acbedc0 UW |
443 | allocate and return a struct value with all value attributes |
444 | (but not the value contents) filled in. */ | |
445 | ||
2ed3c037 UW |
446 | typedef struct value * (gdbarch_value_from_register_ftype) (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); |
447 | extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); | |
9acbedc0 UW |
448 | extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register); |
449 | ||
9898f801 | 450 | typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
b60c417a | 451 | extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
4478b372 | 452 | extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address); |
33489c5b | 453 | |
9898f801 | 454 | typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
b60c417a | 455 | extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
4478b372 | 456 | extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer); |
33489c5b | 457 | |
fc0c74b1 | 458 | extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch); |
fc0c74b1 | 459 | |
fc1a4b47 AC |
460 | typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
461 | extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); | |
fc0c74b1 | 462 | extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address); |
fc0c74b1 | 463 | |
6a3a010b MR |
464 | /* Return the return-value convention that will be used by FUNCTION |
465 | to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
466 | case the return convention is computed based only on VALTYPE. |
467 | ||
468 | If READBUF is not NULL, extract the return value and save it in this buffer. | |
469 | ||
470 | If WRITEBUF is not NULL, it contains a return value which will be | |
471 | stored into the appropriate register. This can be used when we want | |
472 | to force the value returned by a function (see the "return" command | |
473 | for instance). */ | |
92ad9cd9 AC |
474 | |
475 | extern int gdbarch_return_value_p (struct gdbarch *gdbarch); | |
476 | ||
6a3a010b MR |
477 | 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); |
478 | 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 |
479 | extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value); |
480 | ||
18648a37 YQ |
481 | /* Return true if the return value of function is stored in the first hidden |
482 | parameter. In theory, this feature should be language-dependent, specified | |
483 | by language and its ABI, such as C++. Unfortunately, compiler may | |
484 | implement it to a target-dependent feature. So that we need such hook here | |
485 | to be aware of this in GDB. */ | |
486 | ||
487 | typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type); | |
488 | extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type); | |
489 | 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); | |
490 | ||
6093d2eb | 491 | typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
104c1213 JM |
492 | extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
493 | extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue); | |
0f71a2f6 | 494 | |
4309257c PM |
495 | extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch); |
496 | ||
497 | typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); | |
498 | extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); | |
499 | extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue); | |
500 | ||
591a12a1 UW |
501 | /* On some platforms, a single function may provide multiple entry points, |
502 | e.g. one that is used for function-pointer calls and a different one | |
503 | that is used for direct function calls. | |
504 | In order to ensure that breakpoints set on the function will trigger | |
505 | no matter via which entry point the function is entered, a platform | |
506 | may provide the skip_entrypoint callback. It is called with IP set | |
507 | to the main entry point of a function (as determined by the symbol table), | |
508 | and should return the address of the innermost entry point, where the | |
509 | actual breakpoint needs to be set. Note that skip_entrypoint is used | |
510 | by GDB common code even when debugging optimized code, where skip_prologue | |
511 | is not used. */ | |
512 | ||
513 | extern int gdbarch_skip_entrypoint_p (struct gdbarch *gdbarch); | |
514 | ||
515 | typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); | |
516 | extern CORE_ADDR gdbarch_skip_entrypoint (struct gdbarch *gdbarch, CORE_ADDR ip); | |
517 | extern void set_gdbarch_skip_entrypoint (struct gdbarch *gdbarch, gdbarch_skip_entrypoint_ftype *skip_entrypoint); | |
518 | ||
104c1213 JM |
519 | typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs); |
520 | extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs); | |
521 | extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than); | |
0f71a2f6 | 522 | |
67d57894 | 523 | typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
fc1a4b47 | 524 | extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
104c1213 | 525 | extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc); |
33489c5b | 526 | |
a1dcb23a DJ |
527 | /* Return the adjusted address and kind to use for Z0/Z1 packets. |
528 | KIND is usually the memory length of the breakpoint, but may have a | |
529 | different target-specific meaning. */ | |
530 | ||
531 | typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
532 | extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
533 | extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc); | |
534 | ||
a1131521 KB |
535 | extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch); |
536 | ||
537 | typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
538 | extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
539 | extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address); | |
540 | ||
ae4b2284 | 541 | typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 542 | extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 543 | extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint); |
33489c5b | 544 | |
ae4b2284 | 545 | typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 546 | extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 547 | extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint); |
917317f4 | 548 | |
104c1213 JM |
549 | extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch); |
550 | extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break); | |
0f71a2f6 | 551 | |
782263ab AC |
552 | /* A function can be addressed by either it's "pointer" (possibly a |
553 | descriptor address) or "entry point" (first executable instruction). | |
554 | The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 555 | latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
556 | a simplified subset of that functionality - the function's address |
557 | corresponds to the "function pointer" and the function's start | |
558 | corresponds to the "function entry point" - and hence is redundant. */ | |
559 | ||
560 | extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch); | |
561 | extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset); | |
0f71a2f6 | 562 | |
123dc839 DJ |
563 | /* Return the remote protocol register number associated with this |
564 | register. Normally the identity mapping. */ | |
565 | ||
566 | typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno); | |
567 | extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno); | |
568 | extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number); | |
569 | ||
b2756930 KB |
570 | /* Fetch the target specific address used to represent a load module. */ |
571 | ||
b2756930 | 572 | extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch); |
b2756930 KB |
573 | |
574 | typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile); | |
575 | extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile); | |
576 | 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 | 577 | |
104c1213 JM |
578 | extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch); |
579 | extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip); | |
0f71a2f6 | 580 | |
12cc2063 AC |
581 | extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch); |
582 | ||
583 | typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
584 | extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
585 | extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc); | |
586 | ||
a9e5fdc2 AC |
587 | extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch); |
588 | ||
589 | typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
590 | extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
591 | extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp); | |
592 | ||
42efa47a AC |
593 | /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
594 | frame-base. Enable frame-base before frame-unwind. */ | |
595 | ||
983a287a | 596 | extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch); |
983a287a | 597 | |
104c1213 JM |
598 | typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame); |
599 | extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame); | |
600 | extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args); | |
0f71a2f6 | 601 | |
dc604539 AC |
602 | extern int gdbarch_frame_align_p (struct gdbarch *gdbarch); |
603 | ||
604 | typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address); | |
605 | extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address); | |
606 | extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align); | |
607 | ||
192cb3d4 MK |
608 | typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type); |
609 | extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type); | |
610 | extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr); | |
611 | ||
8b148df9 AC |
612 | extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch); |
613 | extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size); | |
8b148df9 | 614 | |
e2d0e7eb AC |
615 | typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
616 | extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); | |
f517ea4e | 617 | 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 | 618 | |
875e1767 AC |
619 | /* On some machines there are bits in addresses which are not really |
620 | part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 621 | for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
622 | we get a "real" address such as one would find in a symbol table. |
623 | This is used only for addresses of instructions, and even then I'm | |
624 | not sure it's used in all contexts. It exists to deal with there | |
625 | being a few stray bits in the PC which would mislead us, not as some | |
626 | sort of generic thing to handle alignment or segmentation (it's | |
627 | possible it should be in TARGET_READ_PC instead). */ | |
628 | ||
24568a2c | 629 | typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
875e1767 AC |
630 | extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); |
631 | extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); | |
875e1767 | 632 | |
e6590a1b UW |
633 | /* FIXME/cagney/2001-01-18: This should be split in two. A target method that |
634 | indicates if the target needs software single step. An ISA method to | |
635 | implement it. | |
64c4637f | 636 | |
e6590a1b UW |
637 | FIXME/cagney/2001-01-18: This should be replaced with something that inserts |
638 | breakpoints using the breakpoint system instead of blatting memory directly | |
639 | (as with rs6000). | |
64c4637f | 640 | |
e6590a1b UW |
641 | FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
642 | target can single step. If not, then implement single step using breakpoints. | |
643 | ||
f17b6955 | 644 | A return value of 1 means that the software_single_step breakpoints |
e6590a1b | 645 | were inserted; 0 means they were not. */ |
64c4637f | 646 | |
64c4637f | 647 | extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch); |
64c4637f | 648 | |
0b1b3e42 UW |
649 | typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame); |
650 | extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame); | |
64c4637f | 651 | extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step); |
64c4637f | 652 | |
3352ef37 AC |
653 | /* Return non-zero if the processor is executing a delay slot and a |
654 | further single-step is needed before the instruction finishes. */ | |
655 | ||
656 | extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch); | |
657 | ||
658 | typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); | |
659 | extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); | |
660 | extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); | |
661 | ||
f6c40618 | 662 | /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 663 | disassembler. Perhaps objdump can handle it? */ |
f6c40618 | 664 | |
a89aa300 AC |
665 | typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info); |
666 | extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info); | |
2bf0cb65 | 667 | extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn); |
2bf0cb65 | 668 | |
52f729a7 UW |
669 | typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc); |
670 | extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc); | |
bdcd319a | 671 | extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code); |
bdcd319a | 672 | |
cfd8ab24 | 673 | /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
674 | evaluates non-zero, this is the address where the debugger will place |
675 | a step-resume breakpoint to get us past the dynamic linker. */ | |
676 | ||
4c8c40e6 | 677 | typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); |
dea0c52f MK |
678 | extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc); |
679 | extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver); | |
dea0c52f | 680 | |
d50355b6 MS |
681 | /* Some systems also have trampoline code for returning from shared libs. */ |
682 | ||
2c02bd72 DE |
683 | typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
684 | extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); | |
d50355b6 | 685 | extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); |
d50355b6 | 686 | |
c12260ac CV |
687 | /* A target might have problems with watchpoints as soon as the stack |
688 | frame of the current function has been destroyed. This mostly happens | |
c9cf6e20 | 689 | as the first action in a function's epilogue. stack_frame_destroyed_p() |
c12260ac CV |
690 | is defined to return a non-zero value if either the given addr is one |
691 | instruction after the stack destroying instruction up to the trailing | |
692 | return instruction or if we can figure out that the stack frame has | |
693 | already been invalidated regardless of the value of addr. Targets | |
694 | which don't suffer from that problem could just let this functionality | |
695 | untouched. */ | |
696 | ||
c9cf6e20 MG |
697 | typedef int (gdbarch_stack_frame_destroyed_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
698 | extern int gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR addr); | |
699 | extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, gdbarch_stack_frame_destroyed_p_ftype *stack_frame_destroyed_p); | |
c12260ac | 700 | |
3e29f34a MR |
701 | /* Process an ELF symbol in the minimal symbol table in a backend-specific |
702 | way. Normally this hook is supposed to do nothing, however if required, | |
703 | then this hook can be used to apply tranformations to symbols that are | |
704 | considered special in some way. For example the MIPS backend uses it | |
705 | to interpret `st_other' information to mark compressed code symbols so | |
706 | that they can be treated in the appropriate manner in the processing of | |
707 | the main symbol table and DWARF-2 records. */ | |
708 | ||
709 | extern int gdbarch_elf_make_msymbol_special_p (struct gdbarch *gdbarch); | |
710 | ||
a2cf933a EZ |
711 | typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym); |
712 | extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym); | |
713 | extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special); | |
a2cf933a | 714 | |
a2cf933a EZ |
715 | typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym); |
716 | extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym); | |
717 | extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special); | |
a2cf933a | 718 | |
3e29f34a MR |
719 | /* Process a symbol in the main symbol table in a backend-specific way. |
720 | Normally this hook is supposed to do nothing, however if required, | |
721 | then this hook can be used to apply tranformations to symbols that | |
722 | are considered special in some way. This is currently used by the | |
723 | MIPS backend to make sure compressed code symbols have the ISA bit | |
724 | set. This in turn is needed for symbol values seen in GDB to match | |
725 | the values used at the runtime by the program itself, for function | |
726 | and label references. */ | |
727 | ||
728 | typedef void (gdbarch_make_symbol_special_ftype) (struct symbol *sym, struct objfile *objfile); | |
729 | extern void gdbarch_make_symbol_special (struct gdbarch *gdbarch, struct symbol *sym, struct objfile *objfile); | |
730 | extern void set_gdbarch_make_symbol_special (struct gdbarch *gdbarch, gdbarch_make_symbol_special_ftype *make_symbol_special); | |
731 | ||
732 | /* Adjust the address retrieved from a DWARF-2 record other than a line | |
733 | entry in a backend-specific way. Normally this hook is supposed to | |
734 | return the address passed unchanged, however if that is incorrect for | |
735 | any reason, then this hook can be used to fix the address up in the | |
736 | required manner. This is currently used by the MIPS backend to make | |
737 | sure addresses in FDE, range records, etc. referring to compressed | |
738 | code have the ISA bit set, matching line information and the symbol | |
739 | table. */ | |
740 | ||
741 | typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype) (CORE_ADDR pc); | |
742 | extern CORE_ADDR gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, CORE_ADDR pc); | |
743 | extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_addr_ftype *adjust_dwarf2_addr); | |
744 | ||
745 | /* Adjust the address updated by a line entry in a backend-specific way. | |
746 | Normally this hook is supposed to return the address passed unchanged, | |
747 | however in the case of inconsistencies in these records, this hook can | |
748 | be used to fix them up in the required manner. This is currently used | |
749 | by the MIPS backend to make sure all line addresses in compressed code | |
750 | are presented with the ISA bit set, which is not always the case. This | |
751 | in turn ensures breakpoint addresses are correctly matched against the | |
752 | stop PC. */ | |
753 | ||
754 | typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype) (CORE_ADDR addr, int rel); | |
755 | extern CORE_ADDR gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, CORE_ADDR addr, int rel); | |
756 | extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_line_ftype *adjust_dwarf2_line); | |
757 | ||
c4ed33b9 AC |
758 | extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch); |
759 | extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint); | |
c4ed33b9 | 760 | |
f74fa174 MM |
761 | extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch); |
762 | extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint); | |
f74fa174 | 763 | |
8b2dbe47 | 764 | extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch); |
8b2dbe47 | 765 | |
8b2dbe47 KB |
766 | typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class); |
767 | extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class); | |
768 | extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags); | |
8b2dbe47 | 769 | |
8b2dbe47 | 770 | extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch); |
8b2dbe47 | 771 | |
321432c0 KB |
772 | typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags); |
773 | extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags); | |
8b2dbe47 | 774 | 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 | 775 | |
69f97648 SM |
776 | /* Return the appropriate type_flags for the supplied address class. |
777 | This function should return 1 if the address class was recognized and | |
778 | type_flags was set, zero otherwise. */ | |
779 | ||
8b2dbe47 | 780 | extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch); |
8b2dbe47 | 781 | |
321432c0 KB |
782 | typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
783 | extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); | |
8b2dbe47 | 784 | 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 | 785 | |
b59ff9d5 AC |
786 | /* Is a register in a group */ |
787 | ||
788 | typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
789 | extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
790 | extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p); | |
791 | ||
2e092625 | 792 | /* Fetch the pointer to the ith function argument. */ |
143985b7 | 793 | |
143985b7 | 794 | extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch); |
143985b7 | 795 | |
143985b7 AF |
796 | typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type); |
797 | extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type); | |
798 | extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument); | |
143985b7 | 799 | |
5aa82d05 AA |
800 | /* Iterate over all supported register notes in a core file. For each |
801 | supported register note section, the iterator must call CB and pass | |
802 | CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit | |
803 | the supported register note sections based on the current register | |
804 | values. Otherwise it should enumerate all supported register note | |
805 | sections. */ | |
806 | ||
807 | extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch); | |
17ea7499 | 808 | |
5aa82d05 AA |
809 | typedef void (gdbarch_iterate_over_regset_sections_ftype) (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); |
810 | extern void gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); | |
811 | extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, gdbarch_iterate_over_regset_sections_ftype *iterate_over_regset_sections); | |
17ea7499 | 812 | |
6432734d UW |
813 | /* Create core file notes */ |
814 | ||
815 | extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch); | |
816 | ||
817 | typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
818 | extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
819 | extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes); | |
820 | ||
b3ac9c77 SDJ |
821 | /* The elfcore writer hook to use to write Linux prpsinfo notes to core |
822 | files. Most Linux architectures use the same prpsinfo32 or | |
823 | prpsinfo64 layouts, and so won't need to provide this hook, as we | |
824 | call the Linux generic routines in bfd to write prpsinfo notes by | |
825 | default. */ | |
826 | ||
827 | extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch *gdbarch); | |
828 | ||
829 | typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype) (bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); | |
830 | 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); | |
831 | extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, gdbarch_elfcore_write_linux_prpsinfo_ftype *elfcore_write_linux_prpsinfo); | |
832 | ||
35c2fab7 UW |
833 | /* Find core file memory regions */ |
834 | ||
835 | extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch); | |
836 | ||
837 | typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
838 | extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
839 | extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions); | |
840 | ||
de584861 | 841 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
c09f20e4 YQ |
842 | core file into buffer READBUF with length LEN. Return the number of bytes read |
843 | (zero indicates failure). | |
844 | failed, otherwise, return the red length of READBUF. */ | |
de584861 PA |
845 | |
846 | extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch); | |
847 | ||
c09f20e4 YQ |
848 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
849 | extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); | |
de584861 PA |
850 | extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries); |
851 | ||
356a5233 | 852 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
c09f20e4 YQ |
853 | libraries list from core file into buffer READBUF with length LEN. |
854 | Return the number of bytes read (zero indicates failure). */ | |
356a5233 JB |
855 | |
856 | extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch *gdbarch); | |
857 | ||
c09f20e4 YQ |
858 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
859 | extern ULONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); | |
356a5233 JB |
860 | extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_aix_ftype *core_xfer_shared_libraries_aix); |
861 | ||
c0edd9ed | 862 | /* How the core target converts a PTID from a core file to a string. */ |
28439f5e PA |
863 | |
864 | extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch); | |
865 | ||
866 | typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
867 | extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); | |
868 | extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); | |
869 | ||
4dfc5dbc JB |
870 | /* How the core target extracts the name of a thread from a core file. */ |
871 | ||
872 | extern int gdbarch_core_thread_name_p (struct gdbarch *gdbarch); | |
873 | ||
874 | typedef const char * (gdbarch_core_thread_name_ftype) (struct gdbarch *gdbarch, struct thread_info *thr); | |
875 | extern const char * gdbarch_core_thread_name (struct gdbarch *gdbarch, struct thread_info *thr); | |
876 | extern void set_gdbarch_core_thread_name (struct gdbarch *gdbarch, gdbarch_core_thread_name_ftype *core_thread_name); | |
877 | ||
a78c2d62 UW |
878 | /* BFD target to use when generating a core file. */ |
879 | ||
880 | extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch); | |
881 | ||
882 | extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch); | |
883 | extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target); | |
884 | ||
0d5de010 DJ |
885 | /* If the elements of C++ vtables are in-place function descriptors rather |
886 | than normal function pointers (which may point to code or a descriptor), | |
887 | set this to one. */ | |
888 | ||
889 | extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch); | |
890 | extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors); | |
891 | ||
892 | /* Set if the least significant bit of the delta is used instead of the least | |
893 | significant bit of the pfn for pointers to virtual member functions. */ | |
894 | ||
895 | extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch); | |
896 | extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta); | |
897 | ||
6d350bb5 UW |
898 | /* Advance PC to next instruction in order to skip a permanent breakpoint. */ |
899 | ||
6d350bb5 UW |
900 | typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache); |
901 | extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache); | |
902 | extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint); | |
903 | ||
1668ae25 | 904 | /* The maximum length of an instruction on this architecture in bytes. */ |
237fc4c9 PA |
905 | |
906 | extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch); | |
907 | ||
908 | extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch); | |
909 | extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length); | |
910 | ||
911 | /* Copy the instruction at FROM to TO, and make any adjustments | |
912 | necessary to single-step it at that address. | |
913 | ||
914 | REGS holds the state the thread's registers will have before | |
915 | executing the copied instruction; the PC in REGS will refer to FROM, | |
916 | not the copy at TO. The caller should update it to point at TO later. | |
917 | ||
918 | Return a pointer to data of the architecture's choice to be passed | |
919 | to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
920 | the instruction's effects have been completely simulated, with the | |
921 | resulting state written back to REGS. | |
922 | ||
923 | For a general explanation of displaced stepping and how GDB uses it, | |
924 | see the comments in infrun.c. | |
925 | ||
926 | The TO area is only guaranteed to have space for | |
927 | gdbarch_max_insn_length (arch) bytes, so this function must not | |
928 | write more bytes than that to that area. | |
929 | ||
930 | If you do not provide this function, GDB assumes that the | |
931 | architecture does not support displaced stepping. | |
932 | ||
933 | If your architecture doesn't need to adjust instructions before | |
934 | single-stepping them, consider using simple_displaced_step_copy_insn | |
7f03bd92 | 935 | here. |
8d749320 | 936 | |
7f03bd92 PA |
937 | If the instruction cannot execute out of line, return NULL. The |
938 | core falls back to stepping past the instruction in-line instead in | |
939 | that case. */ | |
237fc4c9 PA |
940 | |
941 | extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch); | |
942 | ||
943 | typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
944 | extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
945 | extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn); | |
946 | ||
99e40580 UW |
947 | /* Return true if GDB should use hardware single-stepping to execute |
948 | the displaced instruction identified by CLOSURE. If false, | |
949 | GDB will simply restart execution at the displaced instruction | |
950 | location, and it is up to the target to ensure GDB will receive | |
951 | control again (e.g. by placing a software breakpoint instruction | |
952 | into the displaced instruction buffer). | |
953 | ||
954 | The default implementation returns false on all targets that | |
955 | provide a gdbarch_software_single_step routine, and true otherwise. */ | |
956 | ||
957 | typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
958 | extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
959 | extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep); | |
960 | ||
237fc4c9 PA |
961 | /* Fix up the state resulting from successfully single-stepping a |
962 | displaced instruction, to give the result we would have gotten from | |
963 | stepping the instruction in its original location. | |
964 | ||
965 | REGS is the register state resulting from single-stepping the | |
966 | displaced instruction. | |
967 | ||
968 | CLOSURE is the result from the matching call to | |
969 | gdbarch_displaced_step_copy_insn. | |
970 | ||
971 | If you provide gdbarch_displaced_step_copy_insn.but not this | |
972 | function, then GDB assumes that no fixup is needed after | |
973 | single-stepping the instruction. | |
974 | ||
975 | For a general explanation of displaced stepping and how GDB uses it, | |
976 | see the comments in infrun.c. */ | |
977 | ||
978 | extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch); | |
979 | ||
980 | typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
981 | extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
982 | extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup); | |
983 | ||
984 | /* Free a closure returned by gdbarch_displaced_step_copy_insn. | |
985 | ||
986 | If you provide gdbarch_displaced_step_copy_insn, you must provide | |
987 | this function as well. | |
988 | ||
989 | If your architecture uses closures that don't need to be freed, then | |
990 | you can use simple_displaced_step_free_closure here. | |
991 | ||
992 | For a general explanation of displaced stepping and how GDB uses it, | |
993 | see the comments in infrun.c. */ | |
994 | ||
995 | typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
996 | extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
997 | extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure); | |
998 | ||
999 | /* Return the address of an appropriate place to put displaced | |
1000 | instructions while we step over them. There need only be one such | |
1001 | place, since we're only stepping one thread over a breakpoint at a | |
1002 | time. | |
1003 | ||
1004 | For a general explanation of displaced stepping and how GDB uses it, | |
1005 | see the comments in infrun.c. */ | |
1006 | ||
1007 | typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch); | |
1008 | extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch); | |
1009 | extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location); | |
1010 | ||
dde08ee1 PA |
1011 | /* Relocate an instruction to execute at a different address. OLDLOC |
1012 | is the address in the inferior memory where the instruction to | |
1013 | relocate is currently at. On input, TO points to the destination | |
1014 | where we want the instruction to be copied (and possibly adjusted) | |
1015 | to. On output, it points to one past the end of the resulting | |
1016 | instruction(s). The effect of executing the instruction at TO shall | |
1017 | be the same as if executing it at FROM. For example, call | |
1018 | instructions that implicitly push the return address on the stack | |
1019 | should be adjusted to return to the instruction after OLDLOC; | |
1020 | relative branches, and other PC-relative instructions need the | |
1021 | offset adjusted; etc. */ | |
1022 | ||
1023 | extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); | |
1024 | ||
1025 | typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
1026 | extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
1027 | extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); | |
1028 | ||
1c772458 UW |
1029 | /* Refresh overlay mapped state for section OSECT. */ |
1030 | ||
1031 | extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); | |
1032 | ||
1033 | typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect); | |
1034 | extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect); | |
1035 | extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update); | |
1036 | ||
4eb0ad19 DJ |
1037 | extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch); |
1038 | ||
1039 | typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
1040 | extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
1041 | extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description); | |
1042 | ||
149ad273 UW |
1043 | /* Handle special encoding of static variables in stabs debug info. */ |
1044 | ||
1045 | extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch); | |
1046 | ||
0d5cff50 DE |
1047 | typedef const char * (gdbarch_static_transform_name_ftype) (const char *name); |
1048 | extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name); | |
149ad273 UW |
1049 | extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name); |
1050 | ||
203c3895 UW |
1051 | /* Set if the address in N_SO or N_FUN stabs may be zero. */ |
1052 | ||
1053 | extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch); | |
1054 | extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing); | |
1055 | ||
0508c3ec HZ |
1056 | /* Parse the instruction at ADDR storing in the record execution log |
1057 | the registers REGCACHE and memory ranges that will be affected when | |
1058 | the instruction executes, along with their current values. | |
1059 | Return -1 if something goes wrong, 0 otherwise. */ | |
1060 | ||
1061 | extern int gdbarch_process_record_p (struct gdbarch *gdbarch); | |
1062 | ||
1063 | typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
1064 | extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
1065 | extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record); | |
3846b520 HZ |
1066 | |
1067 | /* Save process state after a signal. | |
1068 | Return -1 if something goes wrong, 0 otherwise. */ | |
1069 | ||
1070 | extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch); | |
1071 | ||
2ea28649 PA |
1072 | typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
1073 | extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); | |
3846b520 | 1074 | extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal); |
0508c3ec | 1075 | |
22203bbf | 1076 | /* Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
1077 | into GDB's representation. The implementation of this method must |
1078 | be host independent. IOW, don't rely on symbols of the NAT_FILE | |
1079 | header (the nm-*.h files), the host <signal.h> header, or similar | |
1080 | headers. This is mainly used when cross-debugging core files --- | |
1081 | "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
1082 | (target_wait, target_resume, etc.). */ |
1083 | ||
1084 | extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch); | |
22203bbf PA |
1085 | |
1086 | typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo); | |
1087 | extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo); | |
1088 | extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target); | |
1cded358 | 1089 | |
eb14d406 SDJ |
1090 | /* Signal translation: translate the GDB's internal signal number into |
1091 | the inferior's signal (target's) representation. The implementation | |
1092 | of this method must be host independent. IOW, don't rely on symbols | |
1093 | of the NAT_FILE header (the nm-*.h files), the host <signal.h> | |
1094 | header, or similar headers. | |
1095 | Return the target signal number if found, or -1 if the GDB internal | |
1096 | signal number is invalid. */ | |
1097 | ||
1098 | extern int gdbarch_gdb_signal_to_target_p (struct gdbarch *gdbarch); | |
1099 | ||
1100 | typedef int (gdbarch_gdb_signal_to_target_ftype) (struct gdbarch *gdbarch, enum gdb_signal signal); | |
1101 | extern int gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, enum gdb_signal signal); | |
1102 | extern void set_gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_to_target_ftype *gdb_signal_to_target); | |
1103 | ||
4aa995e1 | 1104 | /* Extra signal info inspection. |
959b8724 | 1105 | |
4aa995e1 PA |
1106 | Return a type suitable to inspect extra signal information. */ |
1107 | ||
1108 | extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch); | |
1109 | ||
1110 | typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch); | |
1111 | extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch); | |
1112 | extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type); | |
1113 | ||
60c5725c DJ |
1114 | /* Record architecture-specific information from the symbol table. */ |
1115 | ||
1116 | extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch); | |
1117 | ||
1118 | typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
1119 | extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
1120 | extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol); | |
1121 | ||
a96d9b2e SDJ |
1122 | /* Function for the 'catch syscall' feature. |
1123 | Get architecture-specific system calls information from registers. */ | |
1124 | ||
1125 | extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch); | |
1126 | ||
1127 | typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
1128 | extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid); | |
1129 | extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number); | |
1130 | ||
458c8db8 SDJ |
1131 | /* The filename of the XML syscall for this architecture. */ |
1132 | ||
1133 | extern const char * gdbarch_xml_syscall_file (struct gdbarch *gdbarch); | |
1134 | extern void set_gdbarch_xml_syscall_file (struct gdbarch *gdbarch, const char * xml_syscall_file); | |
1135 | ||
1136 | /* Information about system calls from this architecture */ | |
1137 | ||
1138 | extern struct syscalls_info * gdbarch_syscalls_info (struct gdbarch *gdbarch); | |
1139 | extern void set_gdbarch_syscalls_info (struct gdbarch *gdbarch, struct syscalls_info * syscalls_info); | |
1140 | ||
55aa24fb | 1141 | /* SystemTap related fields and functions. |
05c0465e SDJ |
1142 | A NULL-terminated array of prefixes used to mark an integer constant |
1143 | on the architecture's assembly. | |
55aa24fb SDJ |
1144 | For example, on x86 integer constants are written as: |
1145 | ||
1146 | $10 ;; integer constant 10 | |
1147 | ||
1148 | in this case, this prefix would be the character `$'. */ | |
1149 | ||
05c0465e SDJ |
1150 | extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch); |
1151 | extern void set_gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch, const char *const * stap_integer_prefixes); | |
55aa24fb | 1152 | |
05c0465e SDJ |
1153 | /* A NULL-terminated array of suffixes used to mark an integer constant |
1154 | on the architecture's assembly. */ | |
55aa24fb | 1155 | |
05c0465e SDJ |
1156 | extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch); |
1157 | extern void set_gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch, const char *const * stap_integer_suffixes); | |
55aa24fb | 1158 | |
05c0465e SDJ |
1159 | /* A NULL-terminated array of prefixes used to mark a register name on |
1160 | the architecture's assembly. | |
55aa24fb SDJ |
1161 | For example, on x86 the register name is written as: |
1162 | ||
1163 | %eax ;; register eax | |
1164 | ||
1165 | in this case, this prefix would be the character `%'. */ | |
1166 | ||
05c0465e SDJ |
1167 | extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch *gdbarch); |
1168 | extern void set_gdbarch_stap_register_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_prefixes); | |
55aa24fb | 1169 | |
05c0465e SDJ |
1170 | /* A NULL-terminated array of suffixes used to mark a register name on |
1171 | the architecture's assembly. */ | |
55aa24fb | 1172 | |
05c0465e SDJ |
1173 | extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch *gdbarch); |
1174 | extern void set_gdbarch_stap_register_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_suffixes); | |
55aa24fb | 1175 | |
05c0465e SDJ |
1176 | /* A NULL-terminated array of prefixes used to mark a register |
1177 | indirection on the architecture's assembly. | |
55aa24fb SDJ |
1178 | For example, on x86 the register indirection is written as: |
1179 | ||
1180 | (%eax) ;; indirecting eax | |
1181 | ||
1182 | in this case, this prefix would be the charater `('. | |
1183 | ||
1184 | Please note that we use the indirection prefix also for register | |
1185 | displacement, e.g., `4(%eax)' on x86. */ | |
1186 | ||
05c0465e SDJ |
1187 | extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch); |
1188 | extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_prefixes); | |
55aa24fb | 1189 | |
05c0465e SDJ |
1190 | /* A NULL-terminated array of suffixes used to mark a register |
1191 | indirection on the architecture's assembly. | |
55aa24fb SDJ |
1192 | For example, on x86 the register indirection is written as: |
1193 | ||
1194 | (%eax) ;; indirecting eax | |
1195 | ||
1196 | in this case, this prefix would be the charater `)'. | |
1197 | ||
1198 | Please note that we use the indirection suffix also for register | |
1199 | displacement, e.g., `4(%eax)' on x86. */ | |
1200 | ||
05c0465e SDJ |
1201 | extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch); |
1202 | extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_suffixes); | |
55aa24fb | 1203 | |
05c0465e | 1204 | /* Prefix(es) used to name a register using GDB's nomenclature. |
55aa24fb SDJ |
1205 | |
1206 | For example, on PPC a register is represented by a number in the assembly | |
1207 | language (e.g., `10' is the 10th general-purpose register). However, | |
1208 | inside GDB this same register has an `r' appended to its name, so the 10th | |
1209 | register would be represented as `r10' internally. */ | |
1210 | ||
1211 | extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch); | |
1212 | extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix); | |
1213 | ||
1214 | /* Suffix used to name a register using GDB's nomenclature. */ | |
1215 | ||
1216 | extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch); | |
1217 | extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix); | |
1218 | ||
1219 | /* Check if S is a single operand. | |
1220 | ||
1221 | Single operands can be: | |
1222 | - Literal integers, e.g. `$10' on x86 | |
1223 | - Register access, e.g. `%eax' on x86 | |
1224 | - Register indirection, e.g. `(%eax)' on x86 | |
1225 | - Register displacement, e.g. `4(%eax)' on x86 | |
1226 | ||
1227 | This function should check for these patterns on the string | |
1228 | and return 1 if some were found, or zero otherwise. Please try to match | |
1229 | as much info as you can from the string, i.e., if you have to match | |
1230 | something like `(%', do not match just the `('. */ | |
1231 | ||
1232 | extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch); | |
1233 | ||
1234 | typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s); | |
1235 | extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s); | |
1236 | extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand); | |
1237 | ||
1238 | /* Function used to handle a "special case" in the parser. | |
1239 | ||
1240 | A "special case" is considered to be an unknown token, i.e., a token | |
1241 | that the parser does not know how to parse. A good example of special | |
1242 | case would be ARM's register displacement syntax: | |
1243 | ||
1244 | [R0, #4] ;; displacing R0 by 4 | |
1245 | ||
1246 | Since the parser assumes that a register displacement is of the form: | |
1247 | ||
1248 | <number> <indirection_prefix> <register_name> <indirection_suffix> | |
1249 | ||
1250 | it means that it will not be able to recognize and parse this odd syntax. | |
1251 | Therefore, we should add a special case function that will handle this token. | |
1252 | ||
1253 | This function should generate the proper expression form of the expression | |
1254 | using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode' | |
1255 | and so on). It should also return 1 if the parsing was successful, or zero | |
1256 | if the token was not recognized as a special token (in this case, returning | |
1257 | zero means that the special parser is deferring the parsing to the generic | |
1258 | parser), and should advance the buffer pointer (p->arg). */ | |
1259 | ||
1260 | extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch); | |
1261 | ||
1262 | typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1263 | extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1264 | extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token); | |
1265 | ||
8b367e17 JM |
1266 | /* DTrace related functions. |
1267 | The expression to compute the NARTGth+1 argument to a DTrace USDT probe. | |
1268 | NARG must be >= 0. */ | |
1269 | ||
1270 | extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch); | |
1271 | ||
1272 | typedef void (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); | |
1273 | extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); | |
1274 | extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument); | |
1275 | ||
1276 | /* True if the given ADDR does not contain the instruction sequence | |
1277 | corresponding to a disabled DTrace is-enabled probe. */ | |
1278 | ||
1279 | extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch *gdbarch); | |
1280 | ||
1281 | typedef int (gdbarch_dtrace_probe_is_enabled_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1282 | extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1283 | extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled); | |
1284 | ||
1285 | /* Enable a DTrace is-enabled probe at ADDR. */ | |
1286 | ||
1287 | extern int gdbarch_dtrace_enable_probe_p (struct gdbarch *gdbarch); | |
1288 | ||
1289 | typedef void (gdbarch_dtrace_enable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1290 | extern void gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1291 | extern void set_gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe); | |
1292 | ||
1293 | /* Disable a DTrace is-enabled probe at ADDR. */ | |
1294 | ||
1295 | extern int gdbarch_dtrace_disable_probe_p (struct gdbarch *gdbarch); | |
1296 | ||
1297 | typedef void (gdbarch_dtrace_disable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1298 | extern void gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1299 | extern void set_gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_disable_probe_ftype *dtrace_disable_probe); | |
1300 | ||
50c71eaf | 1301 | /* True if the list of shared libraries is one and only for all |
9bc9e927 | 1302 | processes, as opposed to a list of shared libraries per inferior. |
2567c7d9 PA |
1303 | This usually means that all processes, although may or may not share |
1304 | an address space, will see the same set of symbols at the same | |
1305 | addresses. */ | |
50c71eaf PA |
1306 | |
1307 | extern int gdbarch_has_global_solist (struct gdbarch *gdbarch); | |
1308 | extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist); | |
1309 | ||
2567c7d9 PA |
1310 | /* On some targets, even though each inferior has its own private |
1311 | address space, the debug interface takes care of making breakpoints | |
1312 | visible to all address spaces automatically. For such cases, | |
1313 | this property should be set to true. */ | |
1314 | ||
1315 | extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch); | |
1316 | extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints); | |
1317 | ||
6c95b8df PA |
1318 | /* True if inferiors share an address space (e.g., uClinux). */ |
1319 | ||
1320 | typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch); | |
1321 | extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch); | |
1322 | extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space); | |
1323 | ||
7a697b8d SS |
1324 | /* True if a fast tracepoint can be set at an address. */ |
1325 | ||
6b940e6a PL |
1326 | typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); |
1327 | extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); | |
7a697b8d SS |
1328 | extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); |
1329 | ||
f870a310 TT |
1330 | /* Return the "auto" target charset. */ |
1331 | ||
1332 | typedef const char * (gdbarch_auto_charset_ftype) (void); | |
1333 | extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch); | |
1334 | extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset); | |
1335 | ||
1336 | /* Return the "auto" target wide charset. */ | |
1337 | ||
1338 | typedef const char * (gdbarch_auto_wide_charset_ftype) (void); | |
1339 | extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch); | |
1340 | extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset); | |
1341 | ||
08105857 PA |
1342 | /* If non-empty, this is a file extension that will be opened in place |
1343 | of the file extension reported by the shared library list. | |
1344 | ||
1345 | This is most useful for toolchains that use a post-linker tool, | |
1346 | where the names of the files run on the target differ in extension | |
1347 | compared to the names of the files GDB should load for debug info. */ | |
1348 | ||
1349 | extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch); | |
1350 | extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension); | |
1351 | ||
1412f70b HZ |
1352 | /* If true, the target OS has DOS-based file system semantics. That |
1353 | is, absolute paths include a drive name, and the backslash is | |
1354 | considered a directory separator. */ | |
ab38a727 PA |
1355 | |
1356 | extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); | |
1357 | extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); | |
1358 | ||
6710bf39 SS |
1359 | /* Generate bytecodes to collect the return address in a frame. |
1360 | Since the bytecodes run on the target, possibly with GDB not even | |
1361 | connected, the full unwinding machinery is not available, and | |
1362 | typically this function will issue bytecodes for one or more likely | |
1363 | places that the return address may be found. */ | |
1364 | ||
1365 | typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1366 | extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1367 | extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); | |
1368 | ||
3030c96e UW |
1369 | /* Implement the "info proc" command. */ |
1370 | ||
1371 | extern int gdbarch_info_proc_p (struct gdbarch *gdbarch); | |
1372 | ||
7bc112c1 TT |
1373 | typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
1374 | extern void gdbarch_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); | |
3030c96e UW |
1375 | extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc); |
1376 | ||
451b7c33 TT |
1377 | /* Implement the "info proc" command for core files. Noe that there |
1378 | are two "info_proc"-like methods on gdbarch -- one for core files, | |
1379 | one for live targets. */ | |
1380 | ||
1381 | extern int gdbarch_core_info_proc_p (struct gdbarch *gdbarch); | |
1382 | ||
7bc112c1 TT |
1383 | typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
1384 | extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); | |
451b7c33 TT |
1385 | extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc); |
1386 | ||
19630284 JB |
1387 | /* Iterate over all objfiles in the order that makes the most sense |
1388 | for the architecture to make global symbol searches. | |
1389 | ||
1390 | CB is a callback function where OBJFILE is the objfile to be searched, | |
1391 | and CB_DATA a pointer to user-defined data (the same data that is passed | |
1392 | when calling this gdbarch method). The iteration stops if this function | |
1393 | returns nonzero. | |
1394 | ||
1395 | CB_DATA is a pointer to some user-defined data to be passed to | |
1396 | the callback. | |
1397 | ||
1398 | If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
1399 | inspected when the symbol search was requested. */ | |
1400 | ||
1401 | 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); | |
1402 | 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); | |
1403 | 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); | |
1404 | ||
7e35103a JB |
1405 | /* Ravenscar arch-dependent ops. */ |
1406 | ||
1407 | extern struct ravenscar_arch_ops * gdbarch_ravenscar_ops (struct gdbarch *gdbarch); | |
1408 | extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops); | |
1409 | ||
c2170eef MM |
1410 | /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */ |
1411 | ||
1412 | typedef int (gdbarch_insn_is_call_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1413 | extern int gdbarch_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1414 | extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call); | |
1415 | ||
1416 | /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */ | |
1417 | ||
1418 | typedef int (gdbarch_insn_is_ret_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1419 | extern int gdbarch_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1420 | extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret); | |
1421 | ||
1422 | /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */ | |
1423 | ||
1424 | typedef int (gdbarch_insn_is_jump_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1425 | extern int gdbarch_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1426 | extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump); | |
1427 | ||
27a48a92 MK |
1428 | /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR. |
1429 | Return 0 if *READPTR is already at the end of the buffer. | |
1430 | Return -1 if there is insufficient buffer for a whole entry. | |
1431 | Return 1 if an entry was read into *TYPEP and *VALP. */ | |
1432 | ||
1433 | extern int gdbarch_auxv_parse_p (struct gdbarch *gdbarch); | |
1434 | ||
1435 | typedef int (gdbarch_auxv_parse_ftype) (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); | |
1436 | extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); | |
1437 | extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse); | |
1438 | ||
3437254d PA |
1439 | /* Find the address range of the current inferior's vsyscall/vDSO, and |
1440 | write it to *RANGE. If the vsyscall's length can't be determined, a | |
1441 | range with zero length is returned. Returns true if the vsyscall is | |
1442 | found, false otherwise. */ | |
1443 | ||
1444 | typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_range *range); | |
1445 | extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range); | |
1446 | extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range); | |
1447 | ||
f208eee0 JK |
1448 | /* Allocate SIZE bytes of PROT protected page aligned memory in inferior. |
1449 | PROT has GDB_MMAP_PROT_* bitmask format. | |
1450 | Throw an error if it is not possible. Returned address is always valid. */ | |
1451 | ||
1452 | typedef CORE_ADDR (gdbarch_infcall_mmap_ftype) (CORE_ADDR size, unsigned prot); | |
1453 | extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot); | |
1454 | extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap); | |
1455 | ||
7f361056 JK |
1456 | /* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap. |
1457 | Print a warning if it is not possible. */ | |
1458 | ||
1459 | typedef void (gdbarch_infcall_munmap_ftype) (CORE_ADDR addr, CORE_ADDR size); | |
1460 | extern void gdbarch_infcall_munmap (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR size); | |
1461 | extern void set_gdbarch_infcall_munmap (struct gdbarch *gdbarch, gdbarch_infcall_munmap_ftype *infcall_munmap); | |
1462 | ||
f208eee0 JK |
1463 | /* Return string (caller has to use xfree for it) with options for GCC |
1464 | to produce code for this target, typically "-m64", "-m32" or "-m31". | |
1465 | These options are put before CU's DW_AT_producer compilation options so that | |
1466 | they can override it. Method may also return NULL. */ | |
1467 | ||
1468 | typedef char * (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch); | |
1469 | extern char * gdbarch_gcc_target_options (struct gdbarch *gdbarch); | |
1470 | extern void set_gdbarch_gcc_target_options (struct gdbarch *gdbarch, gdbarch_gcc_target_options_ftype *gcc_target_options); | |
1471 | ||
ac04f72b TT |
1472 | /* Return a regular expression that matches names used by this |
1473 | architecture in GNU configury triplets. The result is statically | |
1474 | allocated and must not be freed. The default implementation simply | |
1475 | returns the BFD architecture name, which is correct in nearly every | |
1476 | case. */ | |
1477 | ||
1478 | typedef const char * (gdbarch_gnu_triplet_regexp_ftype) (struct gdbarch *gdbarch); | |
1479 | extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch); | |
1480 | extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp); | |
1481 | ||
3374165f SM |
1482 | /* Return the size in 8-bit bytes of an addressable memory unit on this |
1483 | architecture. This corresponds to the number of 8-bit bytes associated to | |
1484 | each address in memory. */ | |
1485 | ||
1486 | typedef int (gdbarch_addressable_memory_unit_size_ftype) (struct gdbarch *gdbarch); | |
1487 | extern int gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch); | |
1488 | extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size); | |
1489 | ||
a96d9b2e SDJ |
1490 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1491 | #define UNKNOWN_SYSCALL (-1) | |
1492 | ||
104c1213 | 1493 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
0f71a2f6 JM |
1494 | |
1495 | ||
1496 | /* Mechanism for co-ordinating the selection of a specific | |
1497 | architecture. | |
1498 | ||
1499 | GDB targets (*-tdep.c) can register an interest in a specific | |
1500 | architecture. Other GDB components can register a need to maintain | |
1501 | per-architecture data. | |
1502 | ||
1503 | The mechanisms below ensures that there is only a loose connection | |
1504 | between the set-architecture command and the various GDB | |
99e7bb18 | 1505 | components. Each component can independently register their need |
0f71a2f6 JM |
1506 | to maintain architecture specific data with gdbarch. |
1507 | ||
1508 | Pragmatics: | |
1509 | ||
1510 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1511 | didn't scale. | |
1512 | ||
1513 | The more traditional mega-struct containing architecture specific | |
1514 | data for all the various GDB components was also considered. Since | |
99e7bb18 | 1515 | GDB is built from a variable number of (fairly independent) |
0f71a2f6 | 1516 | components it was determined that the global aproach was not |
0963b4bd | 1517 | applicable. */ |
0f71a2f6 JM |
1518 | |
1519 | ||
1520 | /* Register a new architectural family with GDB. | |
1521 | ||
1522 | Register support for the specified ARCHITECTURE with GDB. When | |
1523 | gdbarch determines that the specified architecture has been | |
1524 | selected, the corresponding INIT function is called. | |
1525 | ||
1526 | -- | |
1527 | ||
1528 | The INIT function takes two parameters: INFO which contains the | |
1529 | information available to gdbarch about the (possibly new) | |
1530 | architecture; ARCHES which is a list of the previously created | |
1531 | ``struct gdbarch'' for this architecture. | |
1532 | ||
0f79675b | 1533 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1534 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1535 | |
1536 | The ARCHES parameter is a linked list (sorted most recently used) | |
1537 | of all the previously created architures for this architecture | |
1538 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1539 | values from the previously selected architecture for this | |
59837fe0 | 1540 | architecture family. |
0f71a2f6 JM |
1541 | |
1542 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1543 | doesn't recognize the selected architecture; an existing ``struct |
0f71a2f6 JM |
1544 | gdbarch'' from the ARCHES list - indicating that the new |
1545 | architecture is just a synonym for an earlier architecture (see | |
1546 | gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch'' | |
4b9b3959 AC |
1547 | - that describes the selected architecture (see gdbarch_alloc()). |
1548 | ||
1549 | The DUMP_TDEP function shall print out all target specific values. | |
1550 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1551 | multi-arch and non- multi-arch cases. */ |
0f71a2f6 | 1552 | |
adf40b2e JM |
1553 | struct gdbarch_list |
1554 | { | |
1555 | struct gdbarch *gdbarch; | |
1556 | struct gdbarch_list *next; | |
1557 | }; | |
0f71a2f6 | 1558 | |
adf40b2e JM |
1559 | struct gdbarch_info |
1560 | { | |
0963b4bd | 1561 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1562 | const struct bfd_arch_info *bfd_arch_info; |
0f71a2f6 | 1563 | |
428721aa | 1564 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
94123b4f | 1565 | enum bfd_endian byte_order; |
0f71a2f6 | 1566 | |
94123b4f | 1567 | enum bfd_endian byte_order_for_code; |
9d4fde75 | 1568 | |
0963b4bd | 1569 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1570 | bfd *abfd; |
0f71a2f6 | 1571 | |
0963b4bd | 1572 | /* Use default: NULL (ZERO). */ |
ede5f151 | 1573 | void *tdep_info; |
4be87837 DJ |
1574 | |
1575 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1576 | enum gdb_osabi osabi; | |
424163ea DJ |
1577 | |
1578 | /* Use default: NULL (ZERO). */ | |
1579 | const struct target_desc *target_desc; | |
adf40b2e | 1580 | }; |
0f71a2f6 | 1581 | |
104c1213 | 1582 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
4b9b3959 | 1583 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1584 | |
4b9b3959 | 1585 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 | 1586 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
0f71a2f6 | 1587 | |
4b9b3959 AC |
1588 | extern void gdbarch_register (enum bfd_architecture architecture, |
1589 | gdbarch_init_ftype *, | |
1590 | gdbarch_dump_tdep_ftype *); | |
1591 | ||
0f71a2f6 | 1592 | |
b4a20239 AC |
1593 | /* Return a freshly allocated, NULL terminated, array of the valid |
1594 | architecture names. Since architectures are registered during the | |
1595 | _initialize phase this function only returns useful information | |
0963b4bd | 1596 | once initialization has been completed. */ |
b4a20239 AC |
1597 | |
1598 | extern const char **gdbarch_printable_names (void); | |
1599 | ||
1600 | ||
0f71a2f6 | 1601 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1602 | matches the information provided by INFO. */ |
0f71a2f6 | 1603 | |
424163ea | 1604 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
0f71a2f6 JM |
1605 | |
1606 | ||
1607 | /* Helper function. Create a preliminary ``struct gdbarch''. Perform | |
424163ea | 1608 | basic initialization using values obtained from the INFO and TDEP |
0f71a2f6 | 1609 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1610 | initialization of the object. */ |
0f71a2f6 | 1611 | |
104c1213 | 1612 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
0f71a2f6 JM |
1613 | |
1614 | ||
4b9b3959 AC |
1615 | /* Helper function. Free a partially-constructed ``struct gdbarch''. |
1616 | It is assumed that the caller freeds the ``struct | |
0963b4bd | 1617 | gdbarch_tdep''. */ |
4b9b3959 | 1618 | |
058f20d5 JB |
1619 | extern void gdbarch_free (struct gdbarch *); |
1620 | ||
1621 | ||
aebd7893 AC |
1622 | /* Helper function. Allocate memory from the ``struct gdbarch'' |
1623 | obstack. The memory is freed when the corresponding architecture | |
1624 | is also freed. */ | |
1625 | ||
1626 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1627 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1628 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1629 | ||
6c214e7c PP |
1630 | /* Duplicate STRING, returning an equivalent string that's allocated on the |
1631 | obstack associated with GDBARCH. The string is freed when the corresponding | |
1632 | architecture is also freed. */ | |
1633 | ||
1634 | extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string); | |
aebd7893 | 1635 | |
0963b4bd | 1636 | /* Helper function. Force an update of the current architecture. |
0f71a2f6 | 1637 | |
b732d07d AC |
1638 | The actual architecture selected is determined by INFO, ``(gdb) set |
1639 | architecture'' et.al., the existing architecture and BFD's default | |
1640 | architecture. INFO should be initialized to zero and then selected | |
1641 | fields should be updated. | |
0f71a2f6 | 1642 | |
0963b4bd | 1643 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1644 | |
1645 | extern int gdbarch_update_p (struct gdbarch_info info); | |
0f71a2f6 JM |
1646 | |
1647 | ||
ebdba546 AC |
1648 | /* Helper function. Find an architecture matching info. |
1649 | ||
1650 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1651 | set, and then finished using gdbarch_info_fill. | |
1652 | ||
1653 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1654 | architecture was found. */ |
ebdba546 AC |
1655 | |
1656 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1657 | ||
1658 | ||
aff68abb | 1659 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1660 | |
aff68abb | 1661 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1662 | |
0f71a2f6 JM |
1663 | |
1664 | /* Register per-architecture data-pointer. | |
1665 | ||
1666 | Reserve space for a per-architecture data-pointer. An identifier | |
1667 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1668 | be saved in a local static variable. |
0f71a2f6 | 1669 | |
fcc1c85c AC |
1670 | Memory for the per-architecture data shall be allocated using |
1671 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1672 | corresponding architecture object is deleted. | |
0f71a2f6 | 1673 | |
95160752 AC |
1674 | When a previously created architecture is re-selected, the |
1675 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1676 | restored. INIT() is not re-called. |
0f71a2f6 JM |
1677 | |
1678 | Multiple registrarants for any architecture are allowed (and | |
1679 | strongly encouraged). */ | |
1680 | ||
95160752 | 1681 | struct gdbarch_data; |
0f71a2f6 | 1682 | |
030f20e1 AC |
1683 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1684 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1685 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1686 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1687 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1688 | struct gdbarch_data *data, | |
1689 | void *pointer); | |
0f71a2f6 | 1690 | |
451fbdda | 1691 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
0f71a2f6 JM |
1692 | |
1693 | ||
99e7bb18 | 1694 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1695 | byte-order, ...) using information found in the BFD. */ |
c906108c | 1696 | |
104c1213 | 1697 | extern void set_gdbarch_from_file (bfd *); |
c906108c SS |
1698 | |
1699 | ||
e514a9d6 JM |
1700 | /* Initialize the current architecture to the "first" one we find on |
1701 | our list. */ | |
1702 | ||
1703 | extern void initialize_current_architecture (void); | |
1704 | ||
c906108c | 1705 | /* gdbarch trace variable */ |
ccce17b0 | 1706 | extern unsigned int gdbarch_debug; |
c906108c | 1707 | |
4b9b3959 | 1708 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1709 | |
c906108c | 1710 | #endif |