Commit | Line | Data |
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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; |
012b3a21 | 67 | struct ui_out; |
0f71a2f6 | 68 | |
8a526fa6 PA |
69 | #include "regcache.h" |
70 | ||
6ecd4729 PA |
71 | /* The architecture associated with the inferior through the |
72 | connection to the target. | |
73 | ||
74 | The architecture vector provides some information that is really a | |
75 | property of the inferior, accessed through a particular target: | |
76 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
77 | vector; etc. To differentiate architecture accesses to | |
78 | per-inferior/target properties from | |
79 | per-thread/per-frame/per-objfile properties, accesses to | |
80 | per-inferior/target properties should be made through this | |
81 | gdbarch. */ | |
82 | ||
83 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 84 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 | 85 | |
19630284 JB |
86 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
87 | gdbarch method. */ | |
88 | ||
89 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
90 | (struct objfile *objfile, void *cb_data); | |
91 | ||
1528345d AA |
92 | /* Callback type for regset section iterators. The callback usually |
93 | invokes the REGSET's supply or collect method, to which it must | |
94 | pass a buffer with at least the given SIZE. SECT_NAME is a BFD | |
95 | section name, and HUMAN_NAME is used for diagnostic messages. | |
96 | CB_DATA should have been passed unchanged through the iterator. */ | |
97 | ||
5aa82d05 | 98 | typedef void (iterate_over_regset_sections_cb) |
8f0435f7 AA |
99 | (const char *sect_name, int size, const struct regset *regset, |
100 | const char *human_name, void *cb_data); | |
5aa82d05 | 101 | |
0f71a2f6 | 102 | |
0963b4bd | 103 | /* The following are pre-initialized by GDBARCH. */ |
0f71a2f6 | 104 | |
104c1213 | 105 | extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch); |
0963b4bd | 106 | /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */ |
0f71a2f6 | 107 | |
94123b4f | 108 | extern enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch); |
0963b4bd | 109 | /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
0f71a2f6 | 110 | |
94123b4f | 111 | extern enum bfd_endian gdbarch_byte_order_for_code (struct gdbarch *gdbarch); |
0963b4bd | 112 | /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */ |
9d4fde75 | 113 | |
4be87837 | 114 | extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch); |
0963b4bd | 115 | /* set_gdbarch_osabi() - not applicable - pre-initialized. */ |
4be87837 | 116 | |
424163ea | 117 | extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch); |
0963b4bd | 118 | /* set_gdbarch_target_desc() - not applicable - pre-initialized. */ |
424163ea | 119 | |
0f71a2f6 | 120 | |
0963b4bd | 121 | /* The following are initialized by the target dependent code. */ |
0f71a2f6 | 122 | |
32c9a795 MD |
123 | /* The bit byte-order has to do just with numbering of bits in debugging symbols |
124 | and such. Conceptually, it's quite separate from byte/word byte order. */ | |
125 | ||
126 | extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch); | |
127 | extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian); | |
128 | ||
66b43ecb AC |
129 | /* Number of bits in a char or unsigned char for the target machine. |
130 | Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 131 | v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
132 | |
133 | Number of bits in a short or unsigned short for the target machine. */ | |
c4093a6a | 134 | |
104c1213 JM |
135 | extern int gdbarch_short_bit (struct gdbarch *gdbarch); |
136 | extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit); | |
0f71a2f6 | 137 | |
66b43ecb AC |
138 | /* Number of bits in an int or unsigned int for the target machine. */ |
139 | ||
104c1213 JM |
140 | extern int gdbarch_int_bit (struct gdbarch *gdbarch); |
141 | extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); | |
0f71a2f6 | 142 | |
66b43ecb AC |
143 | /* Number of bits in a long or unsigned long for the target machine. */ |
144 | ||
104c1213 JM |
145 | extern int gdbarch_long_bit (struct gdbarch *gdbarch); |
146 | extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); | |
0f71a2f6 | 147 | |
66b43ecb AC |
148 | /* Number of bits in a long long or unsigned long long for the target |
149 | machine. */ | |
150 | ||
104c1213 JM |
151 | extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); |
152 | extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); | |
0f71a2f6 | 153 | |
205c306f DM |
154 | /* Alignment of a long long or unsigned long long for the target |
155 | machine. */ | |
156 | ||
157 | extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); | |
158 | extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); | |
159 | ||
f9e9243a UW |
160 | /* The ABI default bit-size and format for "half", "float", "double", and |
161 | "long double". These bit/format pairs should eventually be combined | |
162 | into a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
163 | Each format describes both the big and little endian layouts (if |
164 | useful). */ | |
66b43ecb | 165 | |
f9e9243a UW |
166 | extern int gdbarch_half_bit (struct gdbarch *gdbarch); |
167 | extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit); | |
168 | ||
169 | extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch); | |
170 | extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format); | |
171 | ||
104c1213 JM |
172 | extern int gdbarch_float_bit (struct gdbarch *gdbarch); |
173 | extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit); | |
0f71a2f6 | 174 | |
8da61cc4 DJ |
175 | extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch); |
176 | extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format); | |
66b43ecb | 177 | |
104c1213 JM |
178 | extern int gdbarch_double_bit (struct gdbarch *gdbarch); |
179 | extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit); | |
0f71a2f6 | 180 | |
8da61cc4 DJ |
181 | extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch); |
182 | extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format); | |
66b43ecb | 183 | |
104c1213 JM |
184 | extern int gdbarch_long_double_bit (struct gdbarch *gdbarch); |
185 | extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit); | |
0f71a2f6 | 186 | |
8da61cc4 DJ |
187 | extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch); |
188 | extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format); | |
456fcf94 | 189 | |
52204a0b DT |
190 | /* For most targets, a pointer on the target and its representation as an |
191 | address in GDB have the same size and "look the same". For such a | |
17a912b6 | 192 | target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
193 | / addr_bit will be set from it. |
194 | ||
17a912b6 | 195 | If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
8da614df CV |
196 | also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
197 | gdbarch_address_to_pointer as well. | |
52204a0b DT |
198 | |
199 | ptr_bit is the size of a pointer on the target */ | |
66b43ecb | 200 | |
66b43ecb AC |
201 | extern int gdbarch_ptr_bit (struct gdbarch *gdbarch); |
202 | extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit); | |
66b43ecb | 203 | |
52204a0b DT |
204 | /* addr_bit is the size of a target address as represented in gdb */ |
205 | ||
52204a0b DT |
206 | extern int gdbarch_addr_bit (struct gdbarch *gdbarch); |
207 | extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit); | |
66b43ecb | 208 | |
8da614df CV |
209 | /* dwarf2_addr_size is the target address size as used in the Dwarf debug |
210 | info. For .debug_frame FDEs, this is supposed to be the target address | |
211 | size from the associated CU header, and which is equivalent to the | |
212 | DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. | |
213 | Unfortunately there is no good way to determine this value. Therefore | |
214 | dwarf2_addr_size simply defaults to the target pointer size. | |
215 | ||
216 | dwarf2_addr_size is not used for .eh_frame FDEs, which are generally | |
217 | defined using the target's pointer size so far. | |
218 | ||
219 | Note that dwarf2_addr_size only needs to be redefined by a target if the | |
220 | GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, | |
221 | and if Dwarf versions < 4 need to be supported. */ | |
222 | ||
223 | extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch); | |
224 | extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size); | |
225 | ||
4e409299 JB |
226 | /* One if `char' acts like `signed char', zero if `unsigned char'. */ |
227 | ||
4e409299 JB |
228 | extern int gdbarch_char_signed (struct gdbarch *gdbarch); |
229 | extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed); | |
4e409299 | 230 | |
cde9ea48 | 231 | extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); |
61a1198a UW |
232 | |
233 | typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache); | |
234 | extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache); | |
104c1213 | 235 | extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc); |
61a1198a UW |
236 | |
237 | extern int gdbarch_write_pc_p (struct gdbarch *gdbarch); | |
238 | ||
239 | typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val); | |
240 | extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val); | |
104c1213 | 241 | extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc); |
0f71a2f6 | 242 | |
39d4ef09 AC |
243 | /* Function for getting target's idea of a frame pointer. FIXME: GDB's |
244 | whole scheme for dealing with "frames" and "frame pointers" needs a | |
245 | serious shakedown. */ | |
246 | ||
a54fba4c | 247 | typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
39d4ef09 AC |
248 | extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
249 | extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer); | |
39d4ef09 | 250 | |
d8124050 | 251 | extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); |
61a0eb5b | 252 | |
05d1431c PA |
253 | typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
254 | extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); | |
d8124050 | 255 | extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); |
61a0eb5b | 256 | |
3543a589 TT |
257 | /* Read a register into a new struct value. If the register is wholly |
258 | or partly unavailable, this should call mark_value_bytes_unavailable | |
259 | as appropriate. If this is defined, then pseudo_register_read will | |
260 | never be called. */ | |
261 | ||
262 | extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); | |
263 | ||
264 | typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
265 | extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
266 | extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); | |
267 | ||
d8124050 | 268 | extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); |
61a0eb5b | 269 | |
b60c417a AC |
270 | typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
271 | extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); | |
d8124050 | 272 | extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write); |
61a0eb5b | 273 | |
104c1213 JM |
274 | extern int gdbarch_num_regs (struct gdbarch *gdbarch); |
275 | extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs); | |
0f71a2f6 | 276 | |
34620563 AC |
277 | /* This macro gives the number of pseudo-registers that live in the |
278 | register namespace but do not get fetched or stored on the target. | |
279 | These pseudo-registers may be aliases for other registers, | |
280 | combinations of other registers, or they may be computed by GDB. */ | |
281 | ||
0aba1244 EZ |
282 | extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch); |
283 | extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs); | |
0aba1244 | 284 | |
175ff332 HZ |
285 | /* Assemble agent expression bytecode to collect pseudo-register REG. |
286 | Return -1 if something goes wrong, 0 otherwise. */ | |
287 | ||
288 | extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch); | |
289 | ||
290 | typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
291 | extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
292 | extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect); | |
293 | ||
294 | /* Assemble agent expression bytecode to push the value of pseudo-register | |
295 | REG on the interpreter stack. | |
296 | Return -1 if something goes wrong, 0 otherwise. */ | |
297 | ||
298 | extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch); | |
299 | ||
300 | typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
301 | extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
302 | extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack); | |
303 | ||
012b3a21 WT |
304 | /* Some targets/architectures can do extra processing/display of |
305 | segmentation faults. E.g., Intel MPX boundary faults. | |
306 | Call the architecture dependent function to handle the fault. | |
307 | UIOUT is the output stream where the handler will place information. */ | |
308 | ||
309 | extern int gdbarch_handle_segmentation_fault_p (struct gdbarch *gdbarch); | |
310 | ||
311 | typedef void (gdbarch_handle_segmentation_fault_ftype) (struct gdbarch *gdbarch, struct ui_out *uiout); | |
312 | extern void gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, struct ui_out *uiout); | |
313 | extern void set_gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, gdbarch_handle_segmentation_fault_ftype *handle_segmentation_fault); | |
314 | ||
c2169756 AC |
315 | /* GDB's standard (or well known) register numbers. These can map onto |
316 | a real register or a pseudo (computed) register or not be defined at | |
a9e5fdc2 | 317 | all (-1). |
3e8c568d | 318 | gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */ |
1200cd6e | 319 | |
104c1213 JM |
320 | extern int gdbarch_sp_regnum (struct gdbarch *gdbarch); |
321 | extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); | |
0f71a2f6 | 322 | |
104c1213 JM |
323 | extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); |
324 | extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); | |
0f71a2f6 | 325 | |
c2169756 AC |
326 | extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); |
327 | extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); | |
c2169756 | 328 | |
60054393 MS |
329 | extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch); |
330 | extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum); | |
60054393 | 331 | |
88c72b7d AC |
332 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ |
333 | ||
d3f73121 | 334 | typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr); |
88c72b7d AC |
335 | extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr); |
336 | extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum); | |
88c72b7d AC |
337 | |
338 | /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */ | |
339 | ||
d3f73121 | 340 | typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr); |
88c72b7d AC |
341 | extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr); |
342 | extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum); | |
88c72b7d | 343 | |
77949794 | 344 | /* Convert from an sdb register number to an internal gdb register number. */ |
88c72b7d | 345 | |
d3f73121 | 346 | typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr); |
88c72b7d AC |
347 | extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr); |
348 | extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum); | |
88c72b7d | 349 | |
0fde2c53 DE |
350 | /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
351 | Return -1 for bad REGNUM. Note: Several targets get this wrong. */ | |
ba2b1c56 | 352 | |
d3f73121 | 353 | typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr); |
88c72b7d AC |
354 | extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr); |
355 | extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum); | |
88c72b7d | 356 | |
d93859e2 | 357 | typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr); |
fa88f677 | 358 | extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr); |
104c1213 | 359 | extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name); |
0f71a2f6 | 360 | |
7b9ee6a8 DJ |
361 | /* Return the type of a register specified by the architecture. Only |
362 | the register cache should call this function directly; others should | |
363 | use "register_type". */ | |
9c04cab7 AC |
364 | |
365 | extern int gdbarch_register_type_p (struct gdbarch *gdbarch); | |
366 | ||
367 | typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr); | |
368 | extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr); | |
369 | extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type); | |
370 | ||
669fac23 | 371 | extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch); |
f3be58bc | 372 | |
669fac23 DJ |
373 | typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame); |
374 | extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame); | |
375 | extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id); | |
f3be58bc | 376 | |
669fac23 | 377 | /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete |
064f5156 | 378 | deprecated_fp_regnum. */ |
f3be58bc | 379 | |
f3be58bc AC |
380 | extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch); |
381 | extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum); | |
f3be58bc | 382 | |
b8de8283 AC |
383 | extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch); |
384 | ||
7d9b040b RC |
385 | 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); |
386 | 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 |
387 | extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call); |
388 | ||
b8de8283 AC |
389 | extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch); |
390 | extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location); | |
b8de8283 | 391 | |
b8de8283 AC |
392 | extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch); |
393 | ||
82585c72 UW |
394 | 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); |
395 | 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 |
396 | extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code); |
397 | ||
7eb89530 YQ |
398 | /* Return true if the code of FRAME is writable. */ |
399 | ||
400 | typedef int (gdbarch_code_of_frame_writable_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); | |
401 | extern int gdbarch_code_of_frame_writable (struct gdbarch *gdbarch, struct frame_info *frame); | |
402 | extern void set_gdbarch_code_of_frame_writable (struct gdbarch *gdbarch, gdbarch_code_of_frame_writable_ftype *code_of_frame_writable); | |
403 | ||
0ab7a791 AC |
404 | typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
405 | extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); | |
406 | extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info); | |
407 | ||
23e3a7ac AC |
408 | typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
409 | extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
5e74b15c | 410 | extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info); |
5e74b15c | 411 | |
e76f1f2e AC |
412 | extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch); |
413 | ||
414 | typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
415 | extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
416 | extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info); | |
417 | ||
7c7651b2 AC |
418 | /* MAP a GDB RAW register number onto a simulator register number. See |
419 | also include/...-sim.h. */ | |
420 | ||
e7faf938 | 421 | typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr); |
7c7651b2 AC |
422 | extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr); |
423 | extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno); | |
7c7651b2 | 424 | |
64a3914f | 425 | typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
426 | extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum); |
427 | extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register); | |
01fb7433 | 428 | |
64a3914f | 429 | typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
430 | extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum); |
431 | extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register); | |
01fb7433 | 432 | |
eade6471 JB |
433 | /* Determine the address where a longjmp will land and save this address |
434 | in PC. Return nonzero on success. | |
435 | ||
436 | FRAME corresponds to the longjmp frame. */ | |
9df628e0 | 437 | |
9df628e0 | 438 | extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch); |
0f71a2f6 | 439 | |
60ade65d UW |
440 | typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc); |
441 | extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc); | |
b8de8283 | 442 | extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target); |
0f71a2f6 | 443 | |
104c1213 JM |
444 | extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch); |
445 | extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion); | |
0f71a2f6 | 446 | |
0abe36f5 | 447 | typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type); |
ff2e87ac | 448 | extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type); |
13d01224 | 449 | extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p); |
13d01224 | 450 | |
8dccd430 PA |
451 | typedef int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
452 | 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 | 453 | extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value); |
13d01224 | 454 | |
b60c417a AC |
455 | typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
456 | extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); | |
13d01224 | 457 | extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register); |
13d01224 | 458 | |
9acbedc0 | 459 | /* Construct a value representing the contents of register REGNUM in |
2ed3c037 | 460 | frame FRAME_ID, interpreted as type TYPE. The routine needs to |
9acbedc0 UW |
461 | allocate and return a struct value with all value attributes |
462 | (but not the value contents) filled in. */ | |
463 | ||
2ed3c037 UW |
464 | typedef struct value * (gdbarch_value_from_register_ftype) (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); |
465 | extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); | |
9acbedc0 UW |
466 | extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register); |
467 | ||
9898f801 | 468 | typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
b60c417a | 469 | extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
4478b372 | 470 | extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address); |
33489c5b | 471 | |
9898f801 | 472 | typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
b60c417a | 473 | extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
4478b372 | 474 | extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer); |
33489c5b | 475 | |
fc0c74b1 | 476 | extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch); |
fc0c74b1 | 477 | |
fc1a4b47 AC |
478 | typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
479 | extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); | |
fc0c74b1 | 480 | extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address); |
fc0c74b1 | 481 | |
6a3a010b MR |
482 | /* Return the return-value convention that will be used by FUNCTION |
483 | to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
484 | case the return convention is computed based only on VALTYPE. |
485 | ||
486 | If READBUF is not NULL, extract the return value and save it in this buffer. | |
487 | ||
488 | If WRITEBUF is not NULL, it contains a return value which will be | |
489 | stored into the appropriate register. This can be used when we want | |
490 | to force the value returned by a function (see the "return" command | |
491 | for instance). */ | |
92ad9cd9 AC |
492 | |
493 | extern int gdbarch_return_value_p (struct gdbarch *gdbarch); | |
494 | ||
6a3a010b MR |
495 | 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); |
496 | 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 |
497 | extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value); |
498 | ||
18648a37 YQ |
499 | /* Return true if the return value of function is stored in the first hidden |
500 | parameter. In theory, this feature should be language-dependent, specified | |
501 | by language and its ABI, such as C++. Unfortunately, compiler may | |
502 | implement it to a target-dependent feature. So that we need such hook here | |
503 | to be aware of this in GDB. */ | |
504 | ||
505 | typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type); | |
506 | extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type); | |
507 | 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); | |
508 | ||
6093d2eb | 509 | typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
104c1213 JM |
510 | extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
511 | extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue); | |
0f71a2f6 | 512 | |
4309257c PM |
513 | extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch); |
514 | ||
515 | typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); | |
516 | extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); | |
517 | extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue); | |
518 | ||
591a12a1 UW |
519 | /* On some platforms, a single function may provide multiple entry points, |
520 | e.g. one that is used for function-pointer calls and a different one | |
521 | that is used for direct function calls. | |
522 | In order to ensure that breakpoints set on the function will trigger | |
523 | no matter via which entry point the function is entered, a platform | |
524 | may provide the skip_entrypoint callback. It is called with IP set | |
525 | to the main entry point of a function (as determined by the symbol table), | |
526 | and should return the address of the innermost entry point, where the | |
527 | actual breakpoint needs to be set. Note that skip_entrypoint is used | |
528 | by GDB common code even when debugging optimized code, where skip_prologue | |
529 | is not used. */ | |
530 | ||
531 | extern int gdbarch_skip_entrypoint_p (struct gdbarch *gdbarch); | |
532 | ||
533 | typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); | |
534 | extern CORE_ADDR gdbarch_skip_entrypoint (struct gdbarch *gdbarch, CORE_ADDR ip); | |
535 | extern void set_gdbarch_skip_entrypoint (struct gdbarch *gdbarch, gdbarch_skip_entrypoint_ftype *skip_entrypoint); | |
536 | ||
104c1213 JM |
537 | typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs); |
538 | extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs); | |
539 | extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than); | |
0f71a2f6 | 540 | |
67d57894 | 541 | typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
fc1a4b47 | 542 | extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
104c1213 | 543 | extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc); |
33489c5b | 544 | |
a1dcb23a DJ |
545 | /* Return the adjusted address and kind to use for Z0/Z1 packets. |
546 | KIND is usually the memory length of the breakpoint, but may have a | |
547 | different target-specific meaning. */ | |
548 | ||
549 | typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
550 | extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
551 | extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc); | |
552 | ||
a1131521 KB |
553 | extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch); |
554 | ||
555 | typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
556 | extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
557 | extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address); | |
558 | ||
ae4b2284 | 559 | typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 560 | extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 561 | extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint); |
33489c5b | 562 | |
ae4b2284 | 563 | typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 564 | extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 565 | extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint); |
917317f4 | 566 | |
104c1213 JM |
567 | extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch); |
568 | extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break); | |
0f71a2f6 | 569 | |
782263ab AC |
570 | /* A function can be addressed by either it's "pointer" (possibly a |
571 | descriptor address) or "entry point" (first executable instruction). | |
572 | The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 573 | latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
574 | a simplified subset of that functionality - the function's address |
575 | corresponds to the "function pointer" and the function's start | |
576 | corresponds to the "function entry point" - and hence is redundant. */ | |
577 | ||
578 | extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch); | |
579 | extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset); | |
0f71a2f6 | 580 | |
123dc839 DJ |
581 | /* Return the remote protocol register number associated with this |
582 | register. Normally the identity mapping. */ | |
583 | ||
584 | typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno); | |
585 | extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno); | |
586 | extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number); | |
587 | ||
b2756930 KB |
588 | /* Fetch the target specific address used to represent a load module. */ |
589 | ||
b2756930 | 590 | extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch); |
b2756930 KB |
591 | |
592 | typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile); | |
593 | extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile); | |
594 | 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 | 595 | |
104c1213 JM |
596 | extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch); |
597 | extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip); | |
0f71a2f6 | 598 | |
12cc2063 AC |
599 | extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch); |
600 | ||
601 | typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
602 | extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
603 | extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc); | |
604 | ||
a9e5fdc2 AC |
605 | extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch); |
606 | ||
607 | typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
608 | extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
609 | extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp); | |
610 | ||
42efa47a AC |
611 | /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
612 | frame-base. Enable frame-base before frame-unwind. */ | |
613 | ||
983a287a | 614 | extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch); |
983a287a | 615 | |
104c1213 JM |
616 | typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame); |
617 | extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame); | |
618 | extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args); | |
0f71a2f6 | 619 | |
dc604539 AC |
620 | extern int gdbarch_frame_align_p (struct gdbarch *gdbarch); |
621 | ||
622 | typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address); | |
623 | extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address); | |
624 | extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align); | |
625 | ||
192cb3d4 MK |
626 | typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type); |
627 | extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type); | |
628 | extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr); | |
629 | ||
8b148df9 AC |
630 | extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch); |
631 | extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size); | |
8b148df9 | 632 | |
e2d0e7eb AC |
633 | typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
634 | extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); | |
f517ea4e | 635 | 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 | 636 | |
875e1767 AC |
637 | /* On some machines there are bits in addresses which are not really |
638 | part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 639 | for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
640 | we get a "real" address such as one would find in a symbol table. |
641 | This is used only for addresses of instructions, and even then I'm | |
642 | not sure it's used in all contexts. It exists to deal with there | |
643 | being a few stray bits in the PC which would mislead us, not as some | |
644 | sort of generic thing to handle alignment or segmentation (it's | |
645 | possible it should be in TARGET_READ_PC instead). */ | |
646 | ||
24568a2c | 647 | typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
875e1767 AC |
648 | extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); |
649 | extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); | |
875e1767 | 650 | |
e6590a1b UW |
651 | /* FIXME/cagney/2001-01-18: This should be split in two. A target method that |
652 | indicates if the target needs software single step. An ISA method to | |
653 | implement it. | |
64c4637f | 654 | |
e6590a1b UW |
655 | FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
656 | target can single step. If not, then implement single step using breakpoints. | |
657 | ||
f17b6955 | 658 | A return value of 1 means that the software_single_step breakpoints |
21edc42f YQ |
659 | were inserted; 0 means they were not. Multiple breakpoints may be |
660 | inserted for some instructions such as conditional branch. However, | |
661 | each implementation must always evaluate the condition and only put | |
662 | the breakpoint at the branch destination if the condition is true, so | |
663 | that we ensure forward progress when stepping past a conditional | |
664 | branch to self. */ | |
64c4637f | 665 | |
64c4637f | 666 | extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch); |
64c4637f | 667 | |
0b1b3e42 UW |
668 | typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame); |
669 | extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame); | |
64c4637f | 670 | extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step); |
64c4637f | 671 | |
3352ef37 AC |
672 | /* Return non-zero if the processor is executing a delay slot and a |
673 | further single-step is needed before the instruction finishes. */ | |
674 | ||
675 | extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch); | |
676 | ||
677 | typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); | |
678 | extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); | |
679 | extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); | |
680 | ||
f6c40618 | 681 | /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 682 | disassembler. Perhaps objdump can handle it? */ |
f6c40618 | 683 | |
a89aa300 AC |
684 | typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info); |
685 | extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info); | |
2bf0cb65 | 686 | extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn); |
2bf0cb65 | 687 | |
52f729a7 UW |
688 | typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc); |
689 | extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc); | |
bdcd319a | 690 | extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code); |
bdcd319a | 691 | |
cfd8ab24 | 692 | /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
693 | evaluates non-zero, this is the address where the debugger will place |
694 | a step-resume breakpoint to get us past the dynamic linker. */ | |
695 | ||
4c8c40e6 | 696 | typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); |
dea0c52f MK |
697 | extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc); |
698 | extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver); | |
dea0c52f | 699 | |
d50355b6 MS |
700 | /* Some systems also have trampoline code for returning from shared libs. */ |
701 | ||
2c02bd72 DE |
702 | typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
703 | extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); | |
d50355b6 | 704 | extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); |
d50355b6 | 705 | |
c12260ac CV |
706 | /* A target might have problems with watchpoints as soon as the stack |
707 | frame of the current function has been destroyed. This mostly happens | |
c9cf6e20 | 708 | as the first action in a function's epilogue. stack_frame_destroyed_p() |
c12260ac CV |
709 | is defined to return a non-zero value if either the given addr is one |
710 | instruction after the stack destroying instruction up to the trailing | |
711 | return instruction or if we can figure out that the stack frame has | |
712 | already been invalidated regardless of the value of addr. Targets | |
713 | which don't suffer from that problem could just let this functionality | |
714 | untouched. */ | |
715 | ||
c9cf6e20 MG |
716 | typedef int (gdbarch_stack_frame_destroyed_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
717 | extern int gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR addr); | |
718 | extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, gdbarch_stack_frame_destroyed_p_ftype *stack_frame_destroyed_p); | |
c12260ac | 719 | |
3e29f34a MR |
720 | /* Process an ELF symbol in the minimal symbol table in a backend-specific |
721 | way. Normally this hook is supposed to do nothing, however if required, | |
722 | then this hook can be used to apply tranformations to symbols that are | |
723 | considered special in some way. For example the MIPS backend uses it | |
724 | to interpret `st_other' information to mark compressed code symbols so | |
725 | that they can be treated in the appropriate manner in the processing of | |
726 | the main symbol table and DWARF-2 records. */ | |
727 | ||
728 | extern int gdbarch_elf_make_msymbol_special_p (struct gdbarch *gdbarch); | |
729 | ||
a2cf933a EZ |
730 | typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym); |
731 | extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym); | |
732 | extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special); | |
a2cf933a | 733 | |
a2cf933a EZ |
734 | typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym); |
735 | extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym); | |
736 | extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special); | |
a2cf933a | 737 | |
3e29f34a MR |
738 | /* Process a symbol in the main symbol table in a backend-specific way. |
739 | Normally this hook is supposed to do nothing, however if required, | |
740 | then this hook can be used to apply tranformations to symbols that | |
741 | are considered special in some way. This is currently used by the | |
742 | MIPS backend to make sure compressed code symbols have the ISA bit | |
743 | set. This in turn is needed for symbol values seen in GDB to match | |
744 | the values used at the runtime by the program itself, for function | |
745 | and label references. */ | |
746 | ||
747 | typedef void (gdbarch_make_symbol_special_ftype) (struct symbol *sym, struct objfile *objfile); | |
748 | extern void gdbarch_make_symbol_special (struct gdbarch *gdbarch, struct symbol *sym, struct objfile *objfile); | |
749 | extern void set_gdbarch_make_symbol_special (struct gdbarch *gdbarch, gdbarch_make_symbol_special_ftype *make_symbol_special); | |
750 | ||
751 | /* Adjust the address retrieved from a DWARF-2 record other than a line | |
752 | entry in a backend-specific way. Normally this hook is supposed to | |
753 | return the address passed unchanged, however if that is incorrect for | |
754 | any reason, then this hook can be used to fix the address up in the | |
755 | required manner. This is currently used by the MIPS backend to make | |
756 | sure addresses in FDE, range records, etc. referring to compressed | |
757 | code have the ISA bit set, matching line information and the symbol | |
758 | table. */ | |
759 | ||
760 | typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype) (CORE_ADDR pc); | |
761 | extern CORE_ADDR gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, CORE_ADDR pc); | |
762 | extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_addr_ftype *adjust_dwarf2_addr); | |
763 | ||
764 | /* Adjust the address updated by a line entry in a backend-specific way. | |
765 | Normally this hook is supposed to return the address passed unchanged, | |
766 | however in the case of inconsistencies in these records, this hook can | |
767 | be used to fix them up in the required manner. This is currently used | |
768 | by the MIPS backend to make sure all line addresses in compressed code | |
769 | are presented with the ISA bit set, which is not always the case. This | |
770 | in turn ensures breakpoint addresses are correctly matched against the | |
771 | stop PC. */ | |
772 | ||
773 | typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype) (CORE_ADDR addr, int rel); | |
774 | extern CORE_ADDR gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, CORE_ADDR addr, int rel); | |
775 | extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_line_ftype *adjust_dwarf2_line); | |
776 | ||
c4ed33b9 AC |
777 | extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch); |
778 | extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint); | |
c4ed33b9 | 779 | |
f74fa174 MM |
780 | extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch); |
781 | extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint); | |
f74fa174 | 782 | |
8b2dbe47 | 783 | extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch); |
8b2dbe47 | 784 | |
8b2dbe47 KB |
785 | typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class); |
786 | extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class); | |
787 | extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags); | |
8b2dbe47 | 788 | |
8b2dbe47 | 789 | extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch); |
8b2dbe47 | 790 | |
321432c0 KB |
791 | typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags); |
792 | extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags); | |
8b2dbe47 | 793 | 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 | 794 | |
69f97648 SM |
795 | /* Return the appropriate type_flags for the supplied address class. |
796 | This function should return 1 if the address class was recognized and | |
797 | type_flags was set, zero otherwise. */ | |
798 | ||
8b2dbe47 | 799 | extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch); |
8b2dbe47 | 800 | |
321432c0 KB |
801 | typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
802 | extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); | |
8b2dbe47 | 803 | 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 | 804 | |
b59ff9d5 AC |
805 | /* Is a register in a group */ |
806 | ||
807 | typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
808 | extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
809 | extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p); | |
810 | ||
2e092625 | 811 | /* Fetch the pointer to the ith function argument. */ |
143985b7 | 812 | |
143985b7 | 813 | extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch); |
143985b7 | 814 | |
143985b7 AF |
815 | typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type); |
816 | extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type); | |
817 | extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument); | |
143985b7 | 818 | |
5aa82d05 AA |
819 | /* Iterate over all supported register notes in a core file. For each |
820 | supported register note section, the iterator must call CB and pass | |
821 | CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit | |
822 | the supported register note sections based on the current register | |
823 | values. Otherwise it should enumerate all supported register note | |
824 | sections. */ | |
825 | ||
826 | extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch); | |
17ea7499 | 827 | |
5aa82d05 AA |
828 | typedef void (gdbarch_iterate_over_regset_sections_ftype) (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); |
829 | extern void gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); | |
830 | extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, gdbarch_iterate_over_regset_sections_ftype *iterate_over_regset_sections); | |
17ea7499 | 831 | |
6432734d UW |
832 | /* Create core file notes */ |
833 | ||
834 | extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch); | |
835 | ||
836 | typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
837 | extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
838 | extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes); | |
839 | ||
b3ac9c77 SDJ |
840 | /* The elfcore writer hook to use to write Linux prpsinfo notes to core |
841 | files. Most Linux architectures use the same prpsinfo32 or | |
842 | prpsinfo64 layouts, and so won't need to provide this hook, as we | |
843 | call the Linux generic routines in bfd to write prpsinfo notes by | |
844 | default. */ | |
845 | ||
846 | extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch *gdbarch); | |
847 | ||
848 | typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype) (bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); | |
849 | 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); | |
850 | extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, gdbarch_elfcore_write_linux_prpsinfo_ftype *elfcore_write_linux_prpsinfo); | |
851 | ||
35c2fab7 UW |
852 | /* Find core file memory regions */ |
853 | ||
854 | extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch); | |
855 | ||
856 | typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
857 | extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
858 | extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions); | |
859 | ||
de584861 | 860 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
c09f20e4 YQ |
861 | core file into buffer READBUF with length LEN. Return the number of bytes read |
862 | (zero indicates failure). | |
863 | failed, otherwise, return the red length of READBUF. */ | |
de584861 PA |
864 | |
865 | extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch); | |
866 | ||
c09f20e4 YQ |
867 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
868 | extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); | |
de584861 PA |
869 | extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries); |
870 | ||
356a5233 | 871 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
c09f20e4 YQ |
872 | libraries list from core file into buffer READBUF with length LEN. |
873 | Return the number of bytes read (zero indicates failure). */ | |
356a5233 JB |
874 | |
875 | extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch *gdbarch); | |
876 | ||
c09f20e4 YQ |
877 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
878 | extern ULONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); | |
356a5233 JB |
879 | extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_aix_ftype *core_xfer_shared_libraries_aix); |
880 | ||
c0edd9ed | 881 | /* How the core target converts a PTID from a core file to a string. */ |
28439f5e PA |
882 | |
883 | extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch); | |
884 | ||
885 | typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
886 | extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); | |
887 | extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); | |
888 | ||
4dfc5dbc JB |
889 | /* How the core target extracts the name of a thread from a core file. */ |
890 | ||
891 | extern int gdbarch_core_thread_name_p (struct gdbarch *gdbarch); | |
892 | ||
893 | typedef const char * (gdbarch_core_thread_name_ftype) (struct gdbarch *gdbarch, struct thread_info *thr); | |
894 | extern const char * gdbarch_core_thread_name (struct gdbarch *gdbarch, struct thread_info *thr); | |
895 | extern void set_gdbarch_core_thread_name (struct gdbarch *gdbarch, gdbarch_core_thread_name_ftype *core_thread_name); | |
896 | ||
a78c2d62 UW |
897 | /* BFD target to use when generating a core file. */ |
898 | ||
899 | extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch); | |
900 | ||
901 | extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch); | |
902 | extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target); | |
903 | ||
0d5de010 DJ |
904 | /* If the elements of C++ vtables are in-place function descriptors rather |
905 | than normal function pointers (which may point to code or a descriptor), | |
906 | set this to one. */ | |
907 | ||
908 | extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch); | |
909 | extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors); | |
910 | ||
911 | /* Set if the least significant bit of the delta is used instead of the least | |
912 | significant bit of the pfn for pointers to virtual member functions. */ | |
913 | ||
914 | extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch); | |
915 | extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta); | |
916 | ||
6d350bb5 UW |
917 | /* Advance PC to next instruction in order to skip a permanent breakpoint. */ |
918 | ||
6d350bb5 UW |
919 | typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache); |
920 | extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache); | |
921 | extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint); | |
922 | ||
1668ae25 | 923 | /* The maximum length of an instruction on this architecture in bytes. */ |
237fc4c9 PA |
924 | |
925 | extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch); | |
926 | ||
927 | extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch); | |
928 | extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length); | |
929 | ||
930 | /* Copy the instruction at FROM to TO, and make any adjustments | |
931 | necessary to single-step it at that address. | |
932 | ||
933 | REGS holds the state the thread's registers will have before | |
934 | executing the copied instruction; the PC in REGS will refer to FROM, | |
935 | not the copy at TO. The caller should update it to point at TO later. | |
936 | ||
937 | Return a pointer to data of the architecture's choice to be passed | |
938 | to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
939 | the instruction's effects have been completely simulated, with the | |
940 | resulting state written back to REGS. | |
941 | ||
942 | For a general explanation of displaced stepping and how GDB uses it, | |
943 | see the comments in infrun.c. | |
944 | ||
945 | The TO area is only guaranteed to have space for | |
946 | gdbarch_max_insn_length (arch) bytes, so this function must not | |
947 | write more bytes than that to that area. | |
948 | ||
949 | If you do not provide this function, GDB assumes that the | |
950 | architecture does not support displaced stepping. | |
951 | ||
952 | If your architecture doesn't need to adjust instructions before | |
953 | single-stepping them, consider using simple_displaced_step_copy_insn | |
7f03bd92 | 954 | here. |
8d749320 | 955 | |
7f03bd92 PA |
956 | If the instruction cannot execute out of line, return NULL. The |
957 | core falls back to stepping past the instruction in-line instead in | |
958 | that case. */ | |
237fc4c9 PA |
959 | |
960 | extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch); | |
961 | ||
962 | typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
963 | extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
964 | extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn); | |
965 | ||
99e40580 UW |
966 | /* Return true if GDB should use hardware single-stepping to execute |
967 | the displaced instruction identified by CLOSURE. If false, | |
968 | GDB will simply restart execution at the displaced instruction | |
969 | location, and it is up to the target to ensure GDB will receive | |
970 | control again (e.g. by placing a software breakpoint instruction | |
971 | into the displaced instruction buffer). | |
972 | ||
973 | The default implementation returns false on all targets that | |
974 | provide a gdbarch_software_single_step routine, and true otherwise. */ | |
975 | ||
976 | typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
977 | extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
978 | extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep); | |
979 | ||
237fc4c9 PA |
980 | /* Fix up the state resulting from successfully single-stepping a |
981 | displaced instruction, to give the result we would have gotten from | |
982 | stepping the instruction in its original location. | |
983 | ||
984 | REGS is the register state resulting from single-stepping the | |
985 | displaced instruction. | |
986 | ||
987 | CLOSURE is the result from the matching call to | |
988 | gdbarch_displaced_step_copy_insn. | |
989 | ||
990 | If you provide gdbarch_displaced_step_copy_insn.but not this | |
991 | function, then GDB assumes that no fixup is needed after | |
992 | single-stepping the instruction. | |
993 | ||
994 | For a general explanation of displaced stepping and how GDB uses it, | |
995 | see the comments in infrun.c. */ | |
996 | ||
997 | extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch); | |
998 | ||
999 | typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
1000 | extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
1001 | extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup); | |
1002 | ||
1003 | /* Free a closure returned by gdbarch_displaced_step_copy_insn. | |
1004 | ||
1005 | If you provide gdbarch_displaced_step_copy_insn, you must provide | |
1006 | this function as well. | |
1007 | ||
1008 | If your architecture uses closures that don't need to be freed, then | |
1009 | you can use simple_displaced_step_free_closure here. | |
1010 | ||
1011 | For a general explanation of displaced stepping and how GDB uses it, | |
1012 | see the comments in infrun.c. */ | |
1013 | ||
1014 | typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
1015 | extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
1016 | extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure); | |
1017 | ||
1018 | /* Return the address of an appropriate place to put displaced | |
1019 | instructions while we step over them. There need only be one such | |
1020 | place, since we're only stepping one thread over a breakpoint at a | |
1021 | time. | |
1022 | ||
1023 | For a general explanation of displaced stepping and how GDB uses it, | |
1024 | see the comments in infrun.c. */ | |
1025 | ||
1026 | typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch); | |
1027 | extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch); | |
1028 | extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location); | |
1029 | ||
dde08ee1 PA |
1030 | /* Relocate an instruction to execute at a different address. OLDLOC |
1031 | is the address in the inferior memory where the instruction to | |
1032 | relocate is currently at. On input, TO points to the destination | |
1033 | where we want the instruction to be copied (and possibly adjusted) | |
1034 | to. On output, it points to one past the end of the resulting | |
1035 | instruction(s). The effect of executing the instruction at TO shall | |
1036 | be the same as if executing it at FROM. For example, call | |
1037 | instructions that implicitly push the return address on the stack | |
1038 | should be adjusted to return to the instruction after OLDLOC; | |
1039 | relative branches, and other PC-relative instructions need the | |
1040 | offset adjusted; etc. */ | |
1041 | ||
1042 | extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); | |
1043 | ||
1044 | typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
1045 | extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
1046 | extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); | |
1047 | ||
1c772458 UW |
1048 | /* Refresh overlay mapped state for section OSECT. */ |
1049 | ||
1050 | extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); | |
1051 | ||
1052 | typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect); | |
1053 | extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect); | |
1054 | extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update); | |
1055 | ||
4eb0ad19 DJ |
1056 | extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch); |
1057 | ||
1058 | typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
1059 | extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
1060 | extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description); | |
1061 | ||
149ad273 UW |
1062 | /* Handle special encoding of static variables in stabs debug info. */ |
1063 | ||
1064 | extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch); | |
1065 | ||
0d5cff50 DE |
1066 | typedef const char * (gdbarch_static_transform_name_ftype) (const char *name); |
1067 | extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name); | |
149ad273 UW |
1068 | extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name); |
1069 | ||
203c3895 UW |
1070 | /* Set if the address in N_SO or N_FUN stabs may be zero. */ |
1071 | ||
1072 | extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch); | |
1073 | extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing); | |
1074 | ||
0508c3ec HZ |
1075 | /* Parse the instruction at ADDR storing in the record execution log |
1076 | the registers REGCACHE and memory ranges that will be affected when | |
1077 | the instruction executes, along with their current values. | |
1078 | Return -1 if something goes wrong, 0 otherwise. */ | |
1079 | ||
1080 | extern int gdbarch_process_record_p (struct gdbarch *gdbarch); | |
1081 | ||
1082 | typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
1083 | extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
1084 | extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record); | |
3846b520 HZ |
1085 | |
1086 | /* Save process state after a signal. | |
1087 | Return -1 if something goes wrong, 0 otherwise. */ | |
1088 | ||
1089 | extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch); | |
1090 | ||
2ea28649 PA |
1091 | typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
1092 | extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); | |
3846b520 | 1093 | extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal); |
0508c3ec | 1094 | |
22203bbf | 1095 | /* Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
1096 | into GDB's representation. The implementation of this method must |
1097 | be host independent. IOW, don't rely on symbols of the NAT_FILE | |
1098 | header (the nm-*.h files), the host <signal.h> header, or similar | |
1099 | headers. This is mainly used when cross-debugging core files --- | |
1100 | "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
1101 | (target_wait, target_resume, etc.). */ |
1102 | ||
1103 | extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch); | |
22203bbf PA |
1104 | |
1105 | typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo); | |
1106 | extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo); | |
1107 | extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target); | |
1cded358 | 1108 | |
eb14d406 SDJ |
1109 | /* Signal translation: translate the GDB's internal signal number into |
1110 | the inferior's signal (target's) representation. The implementation | |
1111 | of this method must be host independent. IOW, don't rely on symbols | |
1112 | of the NAT_FILE header (the nm-*.h files), the host <signal.h> | |
1113 | header, or similar headers. | |
1114 | Return the target signal number if found, or -1 if the GDB internal | |
1115 | signal number is invalid. */ | |
1116 | ||
1117 | extern int gdbarch_gdb_signal_to_target_p (struct gdbarch *gdbarch); | |
1118 | ||
1119 | typedef int (gdbarch_gdb_signal_to_target_ftype) (struct gdbarch *gdbarch, enum gdb_signal signal); | |
1120 | extern int gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, enum gdb_signal signal); | |
1121 | extern void set_gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_to_target_ftype *gdb_signal_to_target); | |
1122 | ||
4aa995e1 | 1123 | /* Extra signal info inspection. |
959b8724 | 1124 | |
4aa995e1 PA |
1125 | Return a type suitable to inspect extra signal information. */ |
1126 | ||
1127 | extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch); | |
1128 | ||
1129 | typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch); | |
1130 | extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch); | |
1131 | extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type); | |
1132 | ||
60c5725c DJ |
1133 | /* Record architecture-specific information from the symbol table. */ |
1134 | ||
1135 | extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch); | |
1136 | ||
1137 | typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
1138 | extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
1139 | extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol); | |
1140 | ||
a96d9b2e SDJ |
1141 | /* Function for the 'catch syscall' feature. |
1142 | Get architecture-specific system calls information from registers. */ | |
1143 | ||
1144 | extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch); | |
1145 | ||
1146 | typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
1147 | extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid); | |
1148 | extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number); | |
1149 | ||
458c8db8 SDJ |
1150 | /* The filename of the XML syscall for this architecture. */ |
1151 | ||
1152 | extern const char * gdbarch_xml_syscall_file (struct gdbarch *gdbarch); | |
1153 | extern void set_gdbarch_xml_syscall_file (struct gdbarch *gdbarch, const char * xml_syscall_file); | |
1154 | ||
1155 | /* Information about system calls from this architecture */ | |
1156 | ||
1157 | extern struct syscalls_info * gdbarch_syscalls_info (struct gdbarch *gdbarch); | |
1158 | extern void set_gdbarch_syscalls_info (struct gdbarch *gdbarch, struct syscalls_info * syscalls_info); | |
1159 | ||
55aa24fb | 1160 | /* SystemTap related fields and functions. |
05c0465e SDJ |
1161 | A NULL-terminated array of prefixes used to mark an integer constant |
1162 | on the architecture's assembly. | |
55aa24fb SDJ |
1163 | For example, on x86 integer constants are written as: |
1164 | ||
1165 | $10 ;; integer constant 10 | |
1166 | ||
1167 | in this case, this prefix would be the character `$'. */ | |
1168 | ||
05c0465e SDJ |
1169 | extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch); |
1170 | extern void set_gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch, const char *const * stap_integer_prefixes); | |
55aa24fb | 1171 | |
05c0465e SDJ |
1172 | /* A NULL-terminated array of suffixes used to mark an integer constant |
1173 | on the architecture's assembly. */ | |
55aa24fb | 1174 | |
05c0465e SDJ |
1175 | extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch); |
1176 | extern void set_gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch, const char *const * stap_integer_suffixes); | |
55aa24fb | 1177 | |
05c0465e SDJ |
1178 | /* A NULL-terminated array of prefixes used to mark a register name on |
1179 | the architecture's assembly. | |
55aa24fb SDJ |
1180 | For example, on x86 the register name is written as: |
1181 | ||
1182 | %eax ;; register eax | |
1183 | ||
1184 | in this case, this prefix would be the character `%'. */ | |
1185 | ||
05c0465e SDJ |
1186 | extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch *gdbarch); |
1187 | extern void set_gdbarch_stap_register_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_prefixes); | |
55aa24fb | 1188 | |
05c0465e SDJ |
1189 | /* A NULL-terminated array of suffixes used to mark a register name on |
1190 | the architecture's assembly. */ | |
55aa24fb | 1191 | |
05c0465e SDJ |
1192 | extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch *gdbarch); |
1193 | extern void set_gdbarch_stap_register_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_suffixes); | |
55aa24fb | 1194 | |
05c0465e SDJ |
1195 | /* A NULL-terminated array of prefixes used to mark a register |
1196 | indirection on the architecture's assembly. | |
55aa24fb SDJ |
1197 | For example, on x86 the register indirection is written as: |
1198 | ||
1199 | (%eax) ;; indirecting eax | |
1200 | ||
1201 | in this case, this prefix would be the charater `('. | |
1202 | ||
1203 | Please note that we use the indirection prefix also for register | |
1204 | displacement, e.g., `4(%eax)' on x86. */ | |
1205 | ||
05c0465e SDJ |
1206 | extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch); |
1207 | extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_prefixes); | |
55aa24fb | 1208 | |
05c0465e SDJ |
1209 | /* A NULL-terminated array of suffixes used to mark a register |
1210 | indirection on the architecture's assembly. | |
55aa24fb SDJ |
1211 | For example, on x86 the register indirection is written as: |
1212 | ||
1213 | (%eax) ;; indirecting eax | |
1214 | ||
1215 | in this case, this prefix would be the charater `)'. | |
1216 | ||
1217 | Please note that we use the indirection suffix also for register | |
1218 | displacement, e.g., `4(%eax)' on x86. */ | |
1219 | ||
05c0465e SDJ |
1220 | extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch); |
1221 | extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_suffixes); | |
55aa24fb | 1222 | |
05c0465e | 1223 | /* Prefix(es) used to name a register using GDB's nomenclature. |
55aa24fb SDJ |
1224 | |
1225 | For example, on PPC a register is represented by a number in the assembly | |
1226 | language (e.g., `10' is the 10th general-purpose register). However, | |
1227 | inside GDB this same register has an `r' appended to its name, so the 10th | |
1228 | register would be represented as `r10' internally. */ | |
1229 | ||
1230 | extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch); | |
1231 | extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix); | |
1232 | ||
1233 | /* Suffix used to name a register using GDB's nomenclature. */ | |
1234 | ||
1235 | extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch); | |
1236 | extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix); | |
1237 | ||
1238 | /* Check if S is a single operand. | |
1239 | ||
1240 | Single operands can be: | |
1241 | - Literal integers, e.g. `$10' on x86 | |
1242 | - Register access, e.g. `%eax' on x86 | |
1243 | - Register indirection, e.g. `(%eax)' on x86 | |
1244 | - Register displacement, e.g. `4(%eax)' on x86 | |
1245 | ||
1246 | This function should check for these patterns on the string | |
1247 | and return 1 if some were found, or zero otherwise. Please try to match | |
1248 | as much info as you can from the string, i.e., if you have to match | |
1249 | something like `(%', do not match just the `('. */ | |
1250 | ||
1251 | extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch); | |
1252 | ||
1253 | typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s); | |
1254 | extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s); | |
1255 | extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand); | |
1256 | ||
1257 | /* Function used to handle a "special case" in the parser. | |
1258 | ||
1259 | A "special case" is considered to be an unknown token, i.e., a token | |
1260 | that the parser does not know how to parse. A good example of special | |
1261 | case would be ARM's register displacement syntax: | |
1262 | ||
1263 | [R0, #4] ;; displacing R0 by 4 | |
1264 | ||
1265 | Since the parser assumes that a register displacement is of the form: | |
1266 | ||
1267 | <number> <indirection_prefix> <register_name> <indirection_suffix> | |
1268 | ||
1269 | it means that it will not be able to recognize and parse this odd syntax. | |
1270 | Therefore, we should add a special case function that will handle this token. | |
1271 | ||
1272 | This function should generate the proper expression form of the expression | |
1273 | using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode' | |
1274 | and so on). It should also return 1 if the parsing was successful, or zero | |
1275 | if the token was not recognized as a special token (in this case, returning | |
1276 | zero means that the special parser is deferring the parsing to the generic | |
1277 | parser), and should advance the buffer pointer (p->arg). */ | |
1278 | ||
1279 | extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch); | |
1280 | ||
1281 | typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1282 | extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1283 | extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token); | |
1284 | ||
8b367e17 JM |
1285 | /* DTrace related functions. |
1286 | The expression to compute the NARTGth+1 argument to a DTrace USDT probe. | |
1287 | NARG must be >= 0. */ | |
1288 | ||
1289 | extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch); | |
1290 | ||
1291 | typedef void (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); | |
1292 | extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); | |
1293 | extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument); | |
1294 | ||
1295 | /* True if the given ADDR does not contain the instruction sequence | |
1296 | corresponding to a disabled DTrace is-enabled probe. */ | |
1297 | ||
1298 | extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch *gdbarch); | |
1299 | ||
1300 | typedef int (gdbarch_dtrace_probe_is_enabled_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1301 | extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1302 | extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled); | |
1303 | ||
1304 | /* Enable a DTrace is-enabled probe at ADDR. */ | |
1305 | ||
1306 | extern int gdbarch_dtrace_enable_probe_p (struct gdbarch *gdbarch); | |
1307 | ||
1308 | typedef void (gdbarch_dtrace_enable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1309 | extern void gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1310 | extern void set_gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe); | |
1311 | ||
1312 | /* Disable a DTrace is-enabled probe at ADDR. */ | |
1313 | ||
1314 | extern int gdbarch_dtrace_disable_probe_p (struct gdbarch *gdbarch); | |
1315 | ||
1316 | typedef void (gdbarch_dtrace_disable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1317 | extern void gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1318 | extern void set_gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_disable_probe_ftype *dtrace_disable_probe); | |
1319 | ||
50c71eaf | 1320 | /* True if the list of shared libraries is one and only for all |
9bc9e927 | 1321 | processes, as opposed to a list of shared libraries per inferior. |
2567c7d9 PA |
1322 | This usually means that all processes, although may or may not share |
1323 | an address space, will see the same set of symbols at the same | |
1324 | addresses. */ | |
50c71eaf PA |
1325 | |
1326 | extern int gdbarch_has_global_solist (struct gdbarch *gdbarch); | |
1327 | extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist); | |
1328 | ||
2567c7d9 PA |
1329 | /* On some targets, even though each inferior has its own private |
1330 | address space, the debug interface takes care of making breakpoints | |
1331 | visible to all address spaces automatically. For such cases, | |
1332 | this property should be set to true. */ | |
1333 | ||
1334 | extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch); | |
1335 | extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints); | |
1336 | ||
6c95b8df PA |
1337 | /* True if inferiors share an address space (e.g., uClinux). */ |
1338 | ||
1339 | typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch); | |
1340 | extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch); | |
1341 | extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space); | |
1342 | ||
7a697b8d SS |
1343 | /* True if a fast tracepoint can be set at an address. */ |
1344 | ||
6b940e6a PL |
1345 | typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); |
1346 | extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); | |
7a697b8d SS |
1347 | extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); |
1348 | ||
5f034a78 MK |
1349 | /* Guess register state based on tracepoint location. Used for tracepoints |
1350 | where no registers have been collected, but there's only one location, | |
1351 | allowing us to guess the PC value, and perhaps some other registers. | |
1352 | On entry, regcache has all registers marked as unavailable. */ | |
1353 | ||
1354 | typedef void (gdbarch_guess_tracepoint_registers_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
1355 | extern void gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
1356 | extern void set_gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, gdbarch_guess_tracepoint_registers_ftype *guess_tracepoint_registers); | |
1357 | ||
f870a310 TT |
1358 | /* Return the "auto" target charset. */ |
1359 | ||
1360 | typedef const char * (gdbarch_auto_charset_ftype) (void); | |
1361 | extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch); | |
1362 | extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset); | |
1363 | ||
1364 | /* Return the "auto" target wide charset. */ | |
1365 | ||
1366 | typedef const char * (gdbarch_auto_wide_charset_ftype) (void); | |
1367 | extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch); | |
1368 | extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset); | |
1369 | ||
08105857 PA |
1370 | /* If non-empty, this is a file extension that will be opened in place |
1371 | of the file extension reported by the shared library list. | |
1372 | ||
1373 | This is most useful for toolchains that use a post-linker tool, | |
1374 | where the names of the files run on the target differ in extension | |
1375 | compared to the names of the files GDB should load for debug info. */ | |
1376 | ||
1377 | extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch); | |
1378 | extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension); | |
1379 | ||
1412f70b HZ |
1380 | /* If true, the target OS has DOS-based file system semantics. That |
1381 | is, absolute paths include a drive name, and the backslash is | |
1382 | considered a directory separator. */ | |
ab38a727 PA |
1383 | |
1384 | extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); | |
1385 | extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); | |
1386 | ||
6710bf39 SS |
1387 | /* Generate bytecodes to collect the return address in a frame. |
1388 | Since the bytecodes run on the target, possibly with GDB not even | |
1389 | connected, the full unwinding machinery is not available, and | |
1390 | typically this function will issue bytecodes for one or more likely | |
1391 | places that the return address may be found. */ | |
1392 | ||
1393 | typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1394 | extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1395 | extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); | |
1396 | ||
3030c96e UW |
1397 | /* Implement the "info proc" command. */ |
1398 | ||
1399 | extern int gdbarch_info_proc_p (struct gdbarch *gdbarch); | |
1400 | ||
7bc112c1 TT |
1401 | typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
1402 | extern void gdbarch_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); | |
3030c96e UW |
1403 | extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc); |
1404 | ||
451b7c33 TT |
1405 | /* Implement the "info proc" command for core files. Noe that there |
1406 | are two "info_proc"-like methods on gdbarch -- one for core files, | |
1407 | one for live targets. */ | |
1408 | ||
1409 | extern int gdbarch_core_info_proc_p (struct gdbarch *gdbarch); | |
1410 | ||
7bc112c1 TT |
1411 | typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
1412 | extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); | |
451b7c33 TT |
1413 | extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc); |
1414 | ||
19630284 JB |
1415 | /* Iterate over all objfiles in the order that makes the most sense |
1416 | for the architecture to make global symbol searches. | |
1417 | ||
1418 | CB is a callback function where OBJFILE is the objfile to be searched, | |
1419 | and CB_DATA a pointer to user-defined data (the same data that is passed | |
1420 | when calling this gdbarch method). The iteration stops if this function | |
1421 | returns nonzero. | |
1422 | ||
1423 | CB_DATA is a pointer to some user-defined data to be passed to | |
1424 | the callback. | |
1425 | ||
1426 | If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
1427 | inspected when the symbol search was requested. */ | |
1428 | ||
1429 | 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); | |
1430 | 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); | |
1431 | 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); | |
1432 | ||
7e35103a JB |
1433 | /* Ravenscar arch-dependent ops. */ |
1434 | ||
1435 | extern struct ravenscar_arch_ops * gdbarch_ravenscar_ops (struct gdbarch *gdbarch); | |
1436 | extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops); | |
1437 | ||
c2170eef MM |
1438 | /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */ |
1439 | ||
1440 | typedef int (gdbarch_insn_is_call_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1441 | extern int gdbarch_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1442 | extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call); | |
1443 | ||
1444 | /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */ | |
1445 | ||
1446 | typedef int (gdbarch_insn_is_ret_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1447 | extern int gdbarch_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1448 | extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret); | |
1449 | ||
1450 | /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */ | |
1451 | ||
1452 | typedef int (gdbarch_insn_is_jump_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1453 | extern int gdbarch_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr); | |
1454 | extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump); | |
1455 | ||
27a48a92 MK |
1456 | /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR. |
1457 | Return 0 if *READPTR is already at the end of the buffer. | |
1458 | Return -1 if there is insufficient buffer for a whole entry. | |
1459 | Return 1 if an entry was read into *TYPEP and *VALP. */ | |
1460 | ||
1461 | extern int gdbarch_auxv_parse_p (struct gdbarch *gdbarch); | |
1462 | ||
1463 | typedef int (gdbarch_auxv_parse_ftype) (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); | |
1464 | extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); | |
1465 | extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse); | |
1466 | ||
2faa3447 JB |
1467 | /* Print the description of a single auxv entry described by TYPE and VAL |
1468 | to FILE. */ | |
1469 | ||
1470 | typedef void (gdbarch_print_auxv_entry_ftype) (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val); | |
1471 | extern void gdbarch_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val); | |
1472 | extern void set_gdbarch_print_auxv_entry (struct gdbarch *gdbarch, gdbarch_print_auxv_entry_ftype *print_auxv_entry); | |
1473 | ||
3437254d PA |
1474 | /* Find the address range of the current inferior's vsyscall/vDSO, and |
1475 | write it to *RANGE. If the vsyscall's length can't be determined, a | |
1476 | range with zero length is returned. Returns true if the vsyscall is | |
1477 | found, false otherwise. */ | |
1478 | ||
1479 | typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_range *range); | |
1480 | extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range); | |
1481 | extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range); | |
1482 | ||
f208eee0 JK |
1483 | /* Allocate SIZE bytes of PROT protected page aligned memory in inferior. |
1484 | PROT has GDB_MMAP_PROT_* bitmask format. | |
1485 | Throw an error if it is not possible. Returned address is always valid. */ | |
1486 | ||
1487 | typedef CORE_ADDR (gdbarch_infcall_mmap_ftype) (CORE_ADDR size, unsigned prot); | |
1488 | extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot); | |
1489 | extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap); | |
1490 | ||
7f361056 JK |
1491 | /* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap. |
1492 | Print a warning if it is not possible. */ | |
1493 | ||
1494 | typedef void (gdbarch_infcall_munmap_ftype) (CORE_ADDR addr, CORE_ADDR size); | |
1495 | extern void gdbarch_infcall_munmap (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR size); | |
1496 | extern void set_gdbarch_infcall_munmap (struct gdbarch *gdbarch, gdbarch_infcall_munmap_ftype *infcall_munmap); | |
1497 | ||
f208eee0 JK |
1498 | /* Return string (caller has to use xfree for it) with options for GCC |
1499 | to produce code for this target, typically "-m64", "-m32" or "-m31". | |
1500 | These options are put before CU's DW_AT_producer compilation options so that | |
1501 | they can override it. Method may also return NULL. */ | |
1502 | ||
1503 | typedef char * (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch); | |
1504 | extern char * gdbarch_gcc_target_options (struct gdbarch *gdbarch); | |
1505 | extern void set_gdbarch_gcc_target_options (struct gdbarch *gdbarch, gdbarch_gcc_target_options_ftype *gcc_target_options); | |
1506 | ||
ac04f72b TT |
1507 | /* Return a regular expression that matches names used by this |
1508 | architecture in GNU configury triplets. The result is statically | |
1509 | allocated and must not be freed. The default implementation simply | |
1510 | returns the BFD architecture name, which is correct in nearly every | |
1511 | case. */ | |
1512 | ||
1513 | typedef const char * (gdbarch_gnu_triplet_regexp_ftype) (struct gdbarch *gdbarch); | |
1514 | extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch); | |
1515 | extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp); | |
1516 | ||
3374165f SM |
1517 | /* Return the size in 8-bit bytes of an addressable memory unit on this |
1518 | architecture. This corresponds to the number of 8-bit bytes associated to | |
1519 | each address in memory. */ | |
1520 | ||
1521 | typedef int (gdbarch_addressable_memory_unit_size_ftype) (struct gdbarch *gdbarch); | |
1522 | extern int gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch); | |
1523 | extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size); | |
1524 | ||
a96d9b2e SDJ |
1525 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1526 | #define UNKNOWN_SYSCALL (-1) | |
1527 | ||
104c1213 | 1528 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
0f71a2f6 JM |
1529 | |
1530 | ||
1531 | /* Mechanism for co-ordinating the selection of a specific | |
1532 | architecture. | |
1533 | ||
1534 | GDB targets (*-tdep.c) can register an interest in a specific | |
1535 | architecture. Other GDB components can register a need to maintain | |
1536 | per-architecture data. | |
1537 | ||
1538 | The mechanisms below ensures that there is only a loose connection | |
1539 | between the set-architecture command and the various GDB | |
99e7bb18 | 1540 | components. Each component can independently register their need |
0f71a2f6 JM |
1541 | to maintain architecture specific data with gdbarch. |
1542 | ||
1543 | Pragmatics: | |
1544 | ||
1545 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1546 | didn't scale. | |
1547 | ||
1548 | The more traditional mega-struct containing architecture specific | |
1549 | data for all the various GDB components was also considered. Since | |
99e7bb18 | 1550 | GDB is built from a variable number of (fairly independent) |
0f71a2f6 | 1551 | components it was determined that the global aproach was not |
0963b4bd | 1552 | applicable. */ |
0f71a2f6 JM |
1553 | |
1554 | ||
1555 | /* Register a new architectural family with GDB. | |
1556 | ||
1557 | Register support for the specified ARCHITECTURE with GDB. When | |
1558 | gdbarch determines that the specified architecture has been | |
1559 | selected, the corresponding INIT function is called. | |
1560 | ||
1561 | -- | |
1562 | ||
1563 | The INIT function takes two parameters: INFO which contains the | |
1564 | information available to gdbarch about the (possibly new) | |
1565 | architecture; ARCHES which is a list of the previously created | |
1566 | ``struct gdbarch'' for this architecture. | |
1567 | ||
0f79675b | 1568 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1569 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1570 | |
1571 | The ARCHES parameter is a linked list (sorted most recently used) | |
1572 | of all the previously created architures for this architecture | |
1573 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1574 | values from the previously selected architecture for this | |
59837fe0 | 1575 | architecture family. |
0f71a2f6 JM |
1576 | |
1577 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1578 | doesn't recognize the selected architecture; an existing ``struct |
0f71a2f6 JM |
1579 | gdbarch'' from the ARCHES list - indicating that the new |
1580 | architecture is just a synonym for an earlier architecture (see | |
1581 | gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch'' | |
4b9b3959 AC |
1582 | - that describes the selected architecture (see gdbarch_alloc()). |
1583 | ||
1584 | The DUMP_TDEP function shall print out all target specific values. | |
1585 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1586 | multi-arch and non- multi-arch cases. */ |
0f71a2f6 | 1587 | |
adf40b2e JM |
1588 | struct gdbarch_list |
1589 | { | |
1590 | struct gdbarch *gdbarch; | |
1591 | struct gdbarch_list *next; | |
1592 | }; | |
0f71a2f6 | 1593 | |
adf40b2e JM |
1594 | struct gdbarch_info |
1595 | { | |
0963b4bd | 1596 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1597 | const struct bfd_arch_info *bfd_arch_info; |
0f71a2f6 | 1598 | |
428721aa | 1599 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
94123b4f | 1600 | enum bfd_endian byte_order; |
0f71a2f6 | 1601 | |
94123b4f | 1602 | enum bfd_endian byte_order_for_code; |
9d4fde75 | 1603 | |
0963b4bd | 1604 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1605 | bfd *abfd; |
0f71a2f6 | 1606 | |
0963b4bd | 1607 | /* Use default: NULL (ZERO). */ |
ede5f151 | 1608 | void *tdep_info; |
4be87837 DJ |
1609 | |
1610 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1611 | enum gdb_osabi osabi; | |
424163ea DJ |
1612 | |
1613 | /* Use default: NULL (ZERO). */ | |
1614 | const struct target_desc *target_desc; | |
adf40b2e | 1615 | }; |
0f71a2f6 | 1616 | |
104c1213 | 1617 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
4b9b3959 | 1618 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1619 | |
4b9b3959 | 1620 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 | 1621 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
0f71a2f6 | 1622 | |
4b9b3959 AC |
1623 | extern void gdbarch_register (enum bfd_architecture architecture, |
1624 | gdbarch_init_ftype *, | |
1625 | gdbarch_dump_tdep_ftype *); | |
1626 | ||
0f71a2f6 | 1627 | |
b4a20239 AC |
1628 | /* Return a freshly allocated, NULL terminated, array of the valid |
1629 | architecture names. Since architectures are registered during the | |
1630 | _initialize phase this function only returns useful information | |
0963b4bd | 1631 | once initialization has been completed. */ |
b4a20239 AC |
1632 | |
1633 | extern const char **gdbarch_printable_names (void); | |
1634 | ||
1635 | ||
0f71a2f6 | 1636 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1637 | matches the information provided by INFO. */ |
0f71a2f6 | 1638 | |
424163ea | 1639 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
0f71a2f6 JM |
1640 | |
1641 | ||
1642 | /* Helper function. Create a preliminary ``struct gdbarch''. Perform | |
424163ea | 1643 | basic initialization using values obtained from the INFO and TDEP |
0f71a2f6 | 1644 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1645 | initialization of the object. */ |
0f71a2f6 | 1646 | |
104c1213 | 1647 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
0f71a2f6 JM |
1648 | |
1649 | ||
4b9b3959 AC |
1650 | /* Helper function. Free a partially-constructed ``struct gdbarch''. |
1651 | It is assumed that the caller freeds the ``struct | |
0963b4bd | 1652 | gdbarch_tdep''. */ |
4b9b3959 | 1653 | |
058f20d5 JB |
1654 | extern void gdbarch_free (struct gdbarch *); |
1655 | ||
1656 | ||
aebd7893 AC |
1657 | /* Helper function. Allocate memory from the ``struct gdbarch'' |
1658 | obstack. The memory is freed when the corresponding architecture | |
1659 | is also freed. */ | |
1660 | ||
1661 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1662 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1663 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1664 | ||
6c214e7c PP |
1665 | /* Duplicate STRING, returning an equivalent string that's allocated on the |
1666 | obstack associated with GDBARCH. The string is freed when the corresponding | |
1667 | architecture is also freed. */ | |
1668 | ||
1669 | extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string); | |
aebd7893 | 1670 | |
0963b4bd | 1671 | /* Helper function. Force an update of the current architecture. |
0f71a2f6 | 1672 | |
b732d07d AC |
1673 | The actual architecture selected is determined by INFO, ``(gdb) set |
1674 | architecture'' et.al., the existing architecture and BFD's default | |
1675 | architecture. INFO should be initialized to zero and then selected | |
1676 | fields should be updated. | |
0f71a2f6 | 1677 | |
0963b4bd | 1678 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1679 | |
1680 | extern int gdbarch_update_p (struct gdbarch_info info); | |
0f71a2f6 JM |
1681 | |
1682 | ||
ebdba546 AC |
1683 | /* Helper function. Find an architecture matching info. |
1684 | ||
1685 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1686 | set, and then finished using gdbarch_info_fill. | |
1687 | ||
1688 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1689 | architecture was found. */ |
ebdba546 AC |
1690 | |
1691 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1692 | ||
1693 | ||
aff68abb | 1694 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1695 | |
aff68abb | 1696 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1697 | |
0f71a2f6 JM |
1698 | |
1699 | /* Register per-architecture data-pointer. | |
1700 | ||
1701 | Reserve space for a per-architecture data-pointer. An identifier | |
1702 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1703 | be saved in a local static variable. |
0f71a2f6 | 1704 | |
fcc1c85c AC |
1705 | Memory for the per-architecture data shall be allocated using |
1706 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1707 | corresponding architecture object is deleted. | |
0f71a2f6 | 1708 | |
95160752 AC |
1709 | When a previously created architecture is re-selected, the |
1710 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1711 | restored. INIT() is not re-called. |
0f71a2f6 JM |
1712 | |
1713 | Multiple registrarants for any architecture are allowed (and | |
1714 | strongly encouraged). */ | |
1715 | ||
95160752 | 1716 | struct gdbarch_data; |
0f71a2f6 | 1717 | |
030f20e1 AC |
1718 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1719 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1720 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1721 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1722 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1723 | struct gdbarch_data *data, | |
1724 | void *pointer); | |
0f71a2f6 | 1725 | |
451fbdda | 1726 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
0f71a2f6 JM |
1727 | |
1728 | ||
99e7bb18 | 1729 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1730 | byte-order, ...) using information found in the BFD. */ |
c906108c | 1731 | |
104c1213 | 1732 | extern void set_gdbarch_from_file (bfd *); |
c906108c SS |
1733 | |
1734 | ||
e514a9d6 JM |
1735 | /* Initialize the current architecture to the "first" one we find on |
1736 | our list. */ | |
1737 | ||
1738 | extern void initialize_current_architecture (void); | |
1739 | ||
c906108c | 1740 | /* gdbarch trace variable */ |
ccce17b0 | 1741 | extern unsigned int gdbarch_debug; |
c906108c | 1742 | |
4b9b3959 | 1743 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1744 | |
c906108c | 1745 | #endif |