Commit | Line | Data |
---|---|---|
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 | |
f801e1e0 MS |
6 | Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
7 | 2007, 2008, 2009 Free Software Foundation, Inc. | |
c906108c | 8 | |
c5aa993b | 9 | This file is part of GDB. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is free software; you can redistribute it and/or modify |
12 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 13 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 14 | (at your option) any later version. |
de584861 | 15 | |
c5aa993b JM |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
de584861 | 20 | |
c5aa993b | 21 | You should have received a copy of the GNU General Public License |
a9762ec7 | 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 23 | |
104c1213 JM |
24 | /* This file was created with the aid of ``gdbarch.sh''. |
25 | ||
52204a0b | 26 | The Bourne shell script ``gdbarch.sh'' creates the files |
104c1213 JM |
27 | ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them |
28 | against the existing ``gdbarch.[hc]''. Any differences found | |
29 | being reported. | |
30 | ||
31 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 32 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 33 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 34 | easier. */ |
adf40b2e | 35 | |
c906108c SS |
36 | #ifndef GDBARCH_H |
37 | #define GDBARCH_H | |
38 | ||
da3331ec AC |
39 | struct floatformat; |
40 | struct ui_file; | |
cce74817 JM |
41 | struct frame_info; |
42 | struct value; | |
b6af0555 | 43 | struct objfile; |
1c772458 | 44 | struct obj_section; |
a2cf933a | 45 | struct minimal_symbol; |
049ee0e4 | 46 | struct regcache; |
b59ff9d5 | 47 | struct reggroup; |
6ce6d90f | 48 | struct regset; |
a89aa300 | 49 | struct disassemble_info; |
e2d0e7eb | 50 | struct target_ops; |
030f20e1 | 51 | struct obstack; |
8181d85f | 52 | struct bp_target_info; |
424163ea | 53 | struct target_desc; |
237fc4c9 | 54 | struct displaced_step_closure; |
17ea7499 | 55 | struct core_regset_section; |
a96d9b2e | 56 | struct syscall; |
175ff332 | 57 | struct agent_expr; |
6710bf39 | 58 | struct axs_value; |
55aa24fb | 59 | struct stap_parse_info; |
0f71a2f6 | 60 | |
6b614274 JB |
61 | /* The architecture associated with the connection to the target. |
62 | ||
63 | The architecture vector provides some information that is really | |
64 | a property of the target: The layout of certain packets, for instance; | |
65 | or the solib_ops vector. Etc. To differentiate architecture accesses | |
66 | to per-target properties from per-thread/per-frame/per-objfile properties, | |
67 | accesses to per-target properties should be made through target_gdbarch. | |
68 | ||
69 | Eventually, when support for multiple targets is implemented in | |
70 | GDB, this global should be made target-specific. */ | |
1cf3db46 | 71 | extern struct gdbarch *target_gdbarch; |
0f71a2f6 | 72 | |
19630284 JB |
73 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
74 | gdbarch method. */ | |
75 | ||
76 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
77 | (struct objfile *objfile, void *cb_data); | |
78 | ||
0f71a2f6 | 79 | |
0963b4bd | 80 | /* The following are pre-initialized by GDBARCH. */ |
0f71a2f6 | 81 | |
104c1213 | 82 | extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch); |
0963b4bd | 83 | /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */ |
0f71a2f6 | 84 | |
104c1213 | 85 | extern int gdbarch_byte_order (struct gdbarch *gdbarch); |
0963b4bd | 86 | /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
0f71a2f6 | 87 | |
9d4fde75 | 88 | extern int gdbarch_byte_order_for_code (struct gdbarch *gdbarch); |
0963b4bd | 89 | /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */ |
9d4fde75 | 90 | |
4be87837 | 91 | extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch); |
0963b4bd | 92 | /* set_gdbarch_osabi() - not applicable - pre-initialized. */ |
4be87837 | 93 | |
424163ea | 94 | extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch); |
0963b4bd | 95 | /* set_gdbarch_target_desc() - not applicable - pre-initialized. */ |
424163ea | 96 | |
0f71a2f6 | 97 | |
0963b4bd | 98 | /* The following are initialized by the target dependent code. */ |
0f71a2f6 | 99 | |
32c9a795 MD |
100 | /* The bit byte-order has to do just with numbering of bits in debugging symbols |
101 | and such. Conceptually, it's quite separate from byte/word byte order. */ | |
102 | ||
103 | extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch); | |
104 | extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian); | |
105 | ||
66b43ecb AC |
106 | /* Number of bits in a char or unsigned char for the target machine. |
107 | Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 108 | v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
109 | |
110 | Number of bits in a short or unsigned short for the target machine. */ | |
c4093a6a | 111 | |
104c1213 JM |
112 | extern int gdbarch_short_bit (struct gdbarch *gdbarch); |
113 | extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit); | |
0f71a2f6 | 114 | |
66b43ecb AC |
115 | /* Number of bits in an int or unsigned int for the target machine. */ |
116 | ||
104c1213 JM |
117 | extern int gdbarch_int_bit (struct gdbarch *gdbarch); |
118 | extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); | |
0f71a2f6 | 119 | |
66b43ecb AC |
120 | /* Number of bits in a long or unsigned long for the target machine. */ |
121 | ||
104c1213 JM |
122 | extern int gdbarch_long_bit (struct gdbarch *gdbarch); |
123 | extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); | |
0f71a2f6 | 124 | |
66b43ecb AC |
125 | /* Number of bits in a long long or unsigned long long for the target |
126 | machine. */ | |
127 | ||
104c1213 JM |
128 | extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); |
129 | extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); | |
0f71a2f6 | 130 | |
205c306f DM |
131 | /* Alignment of a long long or unsigned long long for the target |
132 | machine. */ | |
133 | ||
134 | extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); | |
135 | extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); | |
136 | ||
f9e9243a UW |
137 | /* The ABI default bit-size and format for "half", "float", "double", and |
138 | "long double". These bit/format pairs should eventually be combined | |
139 | into a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
140 | Each format describes both the big and little endian layouts (if |
141 | useful). */ | |
66b43ecb | 142 | |
f9e9243a UW |
143 | extern int gdbarch_half_bit (struct gdbarch *gdbarch); |
144 | extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit); | |
145 | ||
146 | extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch); | |
147 | extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format); | |
148 | ||
104c1213 JM |
149 | extern int gdbarch_float_bit (struct gdbarch *gdbarch); |
150 | extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit); | |
0f71a2f6 | 151 | |
8da61cc4 DJ |
152 | extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch); |
153 | extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format); | |
66b43ecb | 154 | |
104c1213 JM |
155 | extern int gdbarch_double_bit (struct gdbarch *gdbarch); |
156 | extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit); | |
0f71a2f6 | 157 | |
8da61cc4 DJ |
158 | extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch); |
159 | extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format); | |
66b43ecb | 160 | |
104c1213 JM |
161 | extern int gdbarch_long_double_bit (struct gdbarch *gdbarch); |
162 | extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit); | |
0f71a2f6 | 163 | |
8da61cc4 DJ |
164 | extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch); |
165 | extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format); | |
456fcf94 | 166 | |
52204a0b DT |
167 | /* For most targets, a pointer on the target and its representation as an |
168 | address in GDB have the same size and "look the same". For such a | |
17a912b6 | 169 | target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
170 | / addr_bit will be set from it. |
171 | ||
17a912b6 | 172 | If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
8da614df CV |
173 | also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
174 | gdbarch_address_to_pointer as well. | |
52204a0b DT |
175 | |
176 | ptr_bit is the size of a pointer on the target */ | |
66b43ecb | 177 | |
66b43ecb AC |
178 | extern int gdbarch_ptr_bit (struct gdbarch *gdbarch); |
179 | extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit); | |
66b43ecb | 180 | |
52204a0b DT |
181 | /* addr_bit is the size of a target address as represented in gdb */ |
182 | ||
52204a0b DT |
183 | extern int gdbarch_addr_bit (struct gdbarch *gdbarch); |
184 | extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit); | |
66b43ecb | 185 | |
8da614df CV |
186 | /* dwarf2_addr_size is the target address size as used in the Dwarf debug |
187 | info. For .debug_frame FDEs, this is supposed to be the target address | |
188 | size from the associated CU header, and which is equivalent to the | |
189 | DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. | |
190 | Unfortunately there is no good way to determine this value. Therefore | |
191 | dwarf2_addr_size simply defaults to the target pointer size. | |
192 | ||
193 | dwarf2_addr_size is not used for .eh_frame FDEs, which are generally | |
194 | defined using the target's pointer size so far. | |
195 | ||
196 | Note that dwarf2_addr_size only needs to be redefined by a target if the | |
197 | GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, | |
198 | and if Dwarf versions < 4 need to be supported. */ | |
199 | ||
200 | extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch); | |
201 | extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size); | |
202 | ||
4e409299 JB |
203 | /* One if `char' acts like `signed char', zero if `unsigned char'. */ |
204 | ||
4e409299 JB |
205 | extern int gdbarch_char_signed (struct gdbarch *gdbarch); |
206 | extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed); | |
4e409299 | 207 | |
cde9ea48 | 208 | extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); |
61a1198a UW |
209 | |
210 | typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache); | |
211 | extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache); | |
104c1213 | 212 | extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc); |
61a1198a UW |
213 | |
214 | extern int gdbarch_write_pc_p (struct gdbarch *gdbarch); | |
215 | ||
216 | typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val); | |
217 | extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val); | |
104c1213 | 218 | extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc); |
0f71a2f6 | 219 | |
39d4ef09 AC |
220 | /* Function for getting target's idea of a frame pointer. FIXME: GDB's |
221 | whole scheme for dealing with "frames" and "frame pointers" needs a | |
222 | serious shakedown. */ | |
223 | ||
a54fba4c | 224 | typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
39d4ef09 AC |
225 | extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
226 | extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer); | |
39d4ef09 | 227 | |
d8124050 | 228 | extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); |
61a0eb5b | 229 | |
05d1431c PA |
230 | typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
231 | extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); | |
d8124050 | 232 | extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); |
61a0eb5b | 233 | |
3543a589 TT |
234 | /* Read a register into a new struct value. If the register is wholly |
235 | or partly unavailable, this should call mark_value_bytes_unavailable | |
236 | as appropriate. If this is defined, then pseudo_register_read will | |
237 | never be called. */ | |
238 | ||
239 | extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); | |
240 | ||
241 | typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
242 | extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); | |
243 | extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); | |
244 | ||
d8124050 | 245 | extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); |
61a0eb5b | 246 | |
b60c417a AC |
247 | typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
248 | extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); | |
d8124050 | 249 | extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write); |
61a0eb5b | 250 | |
104c1213 JM |
251 | extern int gdbarch_num_regs (struct gdbarch *gdbarch); |
252 | extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs); | |
0f71a2f6 | 253 | |
34620563 AC |
254 | /* This macro gives the number of pseudo-registers that live in the |
255 | register namespace but do not get fetched or stored on the target. | |
256 | These pseudo-registers may be aliases for other registers, | |
257 | combinations of other registers, or they may be computed by GDB. */ | |
258 | ||
0aba1244 EZ |
259 | extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch); |
260 | extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs); | |
0aba1244 | 261 | |
175ff332 HZ |
262 | /* Assemble agent expression bytecode to collect pseudo-register REG. |
263 | Return -1 if something goes wrong, 0 otherwise. */ | |
264 | ||
265 | extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch); | |
266 | ||
267 | typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
268 | extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
269 | extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect); | |
270 | ||
271 | /* Assemble agent expression bytecode to push the value of pseudo-register | |
272 | REG on the interpreter stack. | |
273 | Return -1 if something goes wrong, 0 otherwise. */ | |
274 | ||
275 | extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch); | |
276 | ||
277 | typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
278 | extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); | |
279 | extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack); | |
280 | ||
c2169756 AC |
281 | /* GDB's standard (or well known) register numbers. These can map onto |
282 | a real register or a pseudo (computed) register or not be defined at | |
a9e5fdc2 | 283 | all (-1). |
3e8c568d | 284 | gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */ |
1200cd6e | 285 | |
104c1213 JM |
286 | extern int gdbarch_sp_regnum (struct gdbarch *gdbarch); |
287 | extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); | |
0f71a2f6 | 288 | |
104c1213 JM |
289 | extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); |
290 | extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); | |
0f71a2f6 | 291 | |
c2169756 AC |
292 | extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); |
293 | extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); | |
c2169756 | 294 | |
60054393 MS |
295 | extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch); |
296 | extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum); | |
60054393 | 297 | |
88c72b7d AC |
298 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ |
299 | ||
d3f73121 | 300 | typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr); |
88c72b7d AC |
301 | extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr); |
302 | extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum); | |
88c72b7d AC |
303 | |
304 | /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */ | |
305 | ||
d3f73121 | 306 | typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr); |
88c72b7d AC |
307 | extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr); |
308 | extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum); | |
88c72b7d | 309 | |
77949794 | 310 | /* Convert from an sdb register number to an internal gdb register number. */ |
88c72b7d | 311 | |
d3f73121 | 312 | typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr); |
88c72b7d AC |
313 | extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr); |
314 | extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum); | |
88c72b7d | 315 | |
ba2b1c56 DJ |
316 | /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */ |
317 | ||
d3f73121 | 318 | typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr); |
88c72b7d AC |
319 | extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr); |
320 | extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum); | |
88c72b7d | 321 | |
d93859e2 | 322 | typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr); |
fa88f677 | 323 | extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr); |
104c1213 | 324 | extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name); |
0f71a2f6 | 325 | |
7b9ee6a8 DJ |
326 | /* Return the type of a register specified by the architecture. Only |
327 | the register cache should call this function directly; others should | |
328 | use "register_type". */ | |
9c04cab7 AC |
329 | |
330 | extern int gdbarch_register_type_p (struct gdbarch *gdbarch); | |
331 | ||
332 | typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr); | |
333 | extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr); | |
334 | extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type); | |
335 | ||
f3be58bc AC |
336 | /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */ |
337 | ||
669fac23 | 338 | extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch); |
f3be58bc | 339 | |
669fac23 DJ |
340 | typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame); |
341 | extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame); | |
342 | extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id); | |
f3be58bc | 343 | |
669fac23 | 344 | /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete |
064f5156 | 345 | deprecated_fp_regnum. */ |
f3be58bc | 346 | |
f3be58bc AC |
347 | extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch); |
348 | extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum); | |
f3be58bc | 349 | |
a86c5fc9 | 350 | /* See gdbint.texinfo. See infcall.c. */ |
b8de8283 AC |
351 | |
352 | extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch); | |
353 | ||
7d9b040b RC |
354 | 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); |
355 | 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 |
356 | extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call); |
357 | ||
b8de8283 AC |
358 | extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch); |
359 | extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location); | |
b8de8283 | 360 | |
b8de8283 AC |
361 | extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch); |
362 | ||
82585c72 UW |
363 | 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); |
364 | 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 |
365 | extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code); |
366 | ||
0ab7a791 AC |
367 | typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
368 | extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); | |
369 | extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info); | |
370 | ||
23e3a7ac AC |
371 | extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch); |
372 | ||
373 | typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
374 | extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
5e74b15c | 375 | extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info); |
5e74b15c | 376 | |
e76f1f2e AC |
377 | extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch); |
378 | ||
379 | typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
380 | extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); | |
381 | extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info); | |
382 | ||
7c7651b2 AC |
383 | /* MAP a GDB RAW register number onto a simulator register number. See |
384 | also include/...-sim.h. */ | |
385 | ||
e7faf938 | 386 | typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr); |
7c7651b2 AC |
387 | extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr); |
388 | extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno); | |
7c7651b2 | 389 | |
64a3914f | 390 | typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
391 | extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum); |
392 | extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register); | |
01fb7433 | 393 | |
64a3914f | 394 | typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum); |
01fb7433 AC |
395 | extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum); |
396 | extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register); | |
01fb7433 | 397 | |
9df628e0 RE |
398 | /* setjmp/longjmp support. */ |
399 | ||
9df628e0 | 400 | extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch); |
0f71a2f6 | 401 | |
60ade65d UW |
402 | typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc); |
403 | extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc); | |
b8de8283 | 404 | extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target); |
0f71a2f6 | 405 | |
104c1213 JM |
406 | extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch); |
407 | extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion); | |
0f71a2f6 | 408 | |
0abe36f5 | 409 | typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type); |
ff2e87ac | 410 | extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type); |
13d01224 | 411 | extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p); |
13d01224 | 412 | |
8dccd430 PA |
413 | typedef int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
414 | 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 | 415 | extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value); |
13d01224 | 416 | |
b60c417a AC |
417 | typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
418 | extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); | |
13d01224 | 419 | extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register); |
13d01224 | 420 | |
9acbedc0 UW |
421 | /* Construct a value representing the contents of register REGNUM in |
422 | frame FRAME, interpreted as type TYPE. The routine needs to | |
423 | allocate and return a struct value with all value attributes | |
424 | (but not the value contents) filled in. */ | |
425 | ||
426 | typedef struct value * (gdbarch_value_from_register_ftype) (struct type *type, int regnum, struct frame_info *frame); | |
427 | extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame); | |
428 | extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register); | |
429 | ||
9898f801 | 430 | typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
b60c417a | 431 | extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
4478b372 | 432 | extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address); |
33489c5b | 433 | |
9898f801 | 434 | typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
b60c417a | 435 | extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
4478b372 | 436 | extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer); |
33489c5b | 437 | |
fc0c74b1 | 438 | extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch); |
fc0c74b1 | 439 | |
fc1a4b47 AC |
440 | typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
441 | extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); | |
fc0c74b1 | 442 | extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address); |
fc0c74b1 | 443 | |
6a3a010b MR |
444 | /* Return the return-value convention that will be used by FUNCTION |
445 | to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
446 | case the return convention is computed based only on VALTYPE. |
447 | ||
448 | If READBUF is not NULL, extract the return value and save it in this buffer. | |
449 | ||
450 | If WRITEBUF is not NULL, it contains a return value which will be | |
451 | stored into the appropriate register. This can be used when we want | |
452 | to force the value returned by a function (see the "return" command | |
453 | for instance). */ | |
92ad9cd9 AC |
454 | |
455 | extern int gdbarch_return_value_p (struct gdbarch *gdbarch); | |
456 | ||
6a3a010b MR |
457 | 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); |
458 | 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 |
459 | extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value); |
460 | ||
18648a37 YQ |
461 | /* Return true if the return value of function is stored in the first hidden |
462 | parameter. In theory, this feature should be language-dependent, specified | |
463 | by language and its ABI, such as C++. Unfortunately, compiler may | |
464 | implement it to a target-dependent feature. So that we need such hook here | |
465 | to be aware of this in GDB. */ | |
466 | ||
467 | typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type); | |
468 | extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type); | |
469 | 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); | |
470 | ||
6093d2eb | 471 | typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
104c1213 JM |
472 | extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
473 | extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue); | |
0f71a2f6 | 474 | |
4309257c PM |
475 | extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch); |
476 | ||
477 | typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); | |
478 | extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); | |
479 | extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue); | |
480 | ||
104c1213 JM |
481 | typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs); |
482 | extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs); | |
483 | extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than); | |
0f71a2f6 | 484 | |
67d57894 | 485 | typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
fc1a4b47 | 486 | extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
104c1213 | 487 | extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc); |
33489c5b | 488 | |
a1dcb23a DJ |
489 | /* Return the adjusted address and kind to use for Z0/Z1 packets. |
490 | KIND is usually the memory length of the breakpoint, but may have a | |
491 | different target-specific meaning. */ | |
492 | ||
493 | typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
494 | extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); | |
495 | extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc); | |
496 | ||
a1131521 KB |
497 | extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch); |
498 | ||
499 | typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
500 | extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr); | |
501 | extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address); | |
502 | ||
ae4b2284 | 503 | typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 504 | extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 505 | extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint); |
33489c5b | 506 | |
ae4b2284 | 507 | typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
8181d85f | 508 | extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
917317f4 | 509 | extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint); |
917317f4 | 510 | |
104c1213 JM |
511 | extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch); |
512 | extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break); | |
0f71a2f6 | 513 | |
782263ab AC |
514 | /* A function can be addressed by either it's "pointer" (possibly a |
515 | descriptor address) or "entry point" (first executable instruction). | |
516 | The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 517 | latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
518 | a simplified subset of that functionality - the function's address |
519 | corresponds to the "function pointer" and the function's start | |
520 | corresponds to the "function entry point" - and hence is redundant. */ | |
521 | ||
522 | extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch); | |
523 | extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset); | |
0f71a2f6 | 524 | |
123dc839 DJ |
525 | /* Return the remote protocol register number associated with this |
526 | register. Normally the identity mapping. */ | |
527 | ||
528 | typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno); | |
529 | extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno); | |
530 | extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number); | |
531 | ||
b2756930 KB |
532 | /* Fetch the target specific address used to represent a load module. */ |
533 | ||
b2756930 | 534 | extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch); |
b2756930 KB |
535 | |
536 | typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile); | |
537 | extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile); | |
538 | 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 | 539 | |
104c1213 JM |
540 | extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch); |
541 | extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip); | |
0f71a2f6 | 542 | |
12cc2063 AC |
543 | extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch); |
544 | ||
545 | typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
546 | extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
547 | extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc); | |
548 | ||
a9e5fdc2 AC |
549 | extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch); |
550 | ||
551 | typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
552 | extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame); | |
553 | extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp); | |
554 | ||
42efa47a AC |
555 | /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
556 | frame-base. Enable frame-base before frame-unwind. */ | |
557 | ||
983a287a | 558 | extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch); |
983a287a | 559 | |
104c1213 JM |
560 | typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame); |
561 | extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame); | |
562 | extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args); | |
0f71a2f6 | 563 | |
dc604539 AC |
564 | extern int gdbarch_frame_align_p (struct gdbarch *gdbarch); |
565 | ||
566 | typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address); | |
567 | extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address); | |
568 | extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align); | |
569 | ||
192cb3d4 MK |
570 | typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type); |
571 | extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type); | |
572 | extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr); | |
573 | ||
8b148df9 AC |
574 | extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch); |
575 | extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size); | |
8b148df9 | 576 | |
e2d0e7eb AC |
577 | typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
578 | extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); | |
f517ea4e | 579 | 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 | 580 | |
875e1767 AC |
581 | /* On some machines there are bits in addresses which are not really |
582 | part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 583 | for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
584 | we get a "real" address such as one would find in a symbol table. |
585 | This is used only for addresses of instructions, and even then I'm | |
586 | not sure it's used in all contexts. It exists to deal with there | |
587 | being a few stray bits in the PC which would mislead us, not as some | |
588 | sort of generic thing to handle alignment or segmentation (it's | |
589 | possible it should be in TARGET_READ_PC instead). */ | |
590 | ||
24568a2c | 591 | typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
875e1767 AC |
592 | extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); |
593 | extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); | |
875e1767 | 594 | |
260edbc2 | 595 | /* It is not at all clear why gdbarch_smash_text_address is not folded into |
bf6ae464 | 596 | gdbarch_addr_bits_remove. */ |
181c1381 | 597 | |
24568a2c | 598 | typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
181c1381 RE |
599 | extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr); |
600 | extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address); | |
181c1381 | 601 | |
e6590a1b UW |
602 | /* FIXME/cagney/2001-01-18: This should be split in two. A target method that |
603 | indicates if the target needs software single step. An ISA method to | |
604 | implement it. | |
64c4637f | 605 | |
e6590a1b UW |
606 | FIXME/cagney/2001-01-18: This should be replaced with something that inserts |
607 | breakpoints using the breakpoint system instead of blatting memory directly | |
608 | (as with rs6000). | |
64c4637f | 609 | |
e6590a1b UW |
610 | FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
611 | target can single step. If not, then implement single step using breakpoints. | |
612 | ||
f17b6955 | 613 | A return value of 1 means that the software_single_step breakpoints |
e6590a1b | 614 | were inserted; 0 means they were not. */ |
64c4637f | 615 | |
64c4637f | 616 | extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch); |
64c4637f | 617 | |
0b1b3e42 UW |
618 | typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame); |
619 | extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame); | |
64c4637f | 620 | extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step); |
64c4637f | 621 | |
3352ef37 AC |
622 | /* Return non-zero if the processor is executing a delay slot and a |
623 | further single-step is needed before the instruction finishes. */ | |
624 | ||
625 | extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch); | |
626 | ||
627 | typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); | |
628 | extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); | |
629 | extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); | |
630 | ||
f6c40618 | 631 | /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 632 | disassembler. Perhaps objdump can handle it? */ |
f6c40618 | 633 | |
a89aa300 AC |
634 | typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info); |
635 | extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info); | |
2bf0cb65 | 636 | extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn); |
2bf0cb65 | 637 | |
52f729a7 UW |
638 | typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc); |
639 | extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc); | |
bdcd319a | 640 | extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code); |
bdcd319a | 641 | |
cfd8ab24 | 642 | /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
643 | evaluates non-zero, this is the address where the debugger will place |
644 | a step-resume breakpoint to get us past the dynamic linker. */ | |
645 | ||
4c8c40e6 | 646 | typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); |
dea0c52f MK |
647 | extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc); |
648 | extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver); | |
dea0c52f | 649 | |
d50355b6 MS |
650 | /* Some systems also have trampoline code for returning from shared libs. */ |
651 | ||
2c02bd72 DE |
652 | typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
653 | extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); | |
d50355b6 | 654 | extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); |
d50355b6 | 655 | |
c12260ac CV |
656 | /* A target might have problems with watchpoints as soon as the stack |
657 | frame of the current function has been destroyed. This mostly happens | |
658 | as the first action in a funtion's epilogue. in_function_epilogue_p() | |
659 | is defined to return a non-zero value if either the given addr is one | |
660 | instruction after the stack destroying instruction up to the trailing | |
661 | return instruction or if we can figure out that the stack frame has | |
662 | already been invalidated regardless of the value of addr. Targets | |
663 | which don't suffer from that problem could just let this functionality | |
664 | untouched. */ | |
665 | ||
666 | typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); | |
667 | extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr); | |
668 | extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p); | |
669 | ||
a2cf933a EZ |
670 | typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym); |
671 | extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym); | |
672 | extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special); | |
a2cf933a | 673 | |
a2cf933a EZ |
674 | typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym); |
675 | extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym); | |
676 | extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special); | |
a2cf933a | 677 | |
c4ed33b9 AC |
678 | extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch); |
679 | extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint); | |
c4ed33b9 | 680 | |
f74fa174 MM |
681 | extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch); |
682 | extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint); | |
f74fa174 | 683 | |
8b2dbe47 | 684 | extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch); |
8b2dbe47 | 685 | |
8b2dbe47 KB |
686 | typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class); |
687 | extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class); | |
688 | extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags); | |
8b2dbe47 | 689 | |
8b2dbe47 | 690 | extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch); |
8b2dbe47 | 691 | |
321432c0 KB |
692 | typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags); |
693 | extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags); | |
8b2dbe47 | 694 | 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 KB |
695 | |
696 | extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch); | |
8b2dbe47 | 697 | |
321432c0 KB |
698 | typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
699 | extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); | |
8b2dbe47 | 700 | 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 | 701 | |
b59ff9d5 AC |
702 | /* Is a register in a group */ |
703 | ||
704 | typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
705 | extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); | |
706 | extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p); | |
707 | ||
2e092625 | 708 | /* Fetch the pointer to the ith function argument. */ |
143985b7 | 709 | |
143985b7 | 710 | extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch); |
143985b7 | 711 | |
143985b7 AF |
712 | typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type); |
713 | extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type); | |
714 | extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument); | |
143985b7 | 715 | |
6ce6d90f MK |
716 | /* Return the appropriate register set for a core file section with |
717 | name SECT_NAME and size SECT_SIZE. */ | |
718 | ||
719 | extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch); | |
720 | ||
721 | typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size); | |
722 | extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size); | |
723 | extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section); | |
724 | ||
17ea7499 CES |
725 | /* Supported register notes in a core file. */ |
726 | ||
727 | extern struct core_regset_section * gdbarch_core_regset_sections (struct gdbarch *gdbarch); | |
728 | extern void set_gdbarch_core_regset_sections (struct gdbarch *gdbarch, struct core_regset_section * core_regset_sections); | |
729 | ||
6432734d UW |
730 | /* Create core file notes */ |
731 | ||
732 | extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch); | |
733 | ||
734 | typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
735 | extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size); | |
736 | extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes); | |
737 | ||
35c2fab7 UW |
738 | /* Find core file memory regions */ |
739 | ||
740 | extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch); | |
741 | ||
742 | typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
743 | extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); | |
744 | extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions); | |
745 | ||
de584861 PA |
746 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
747 | core file into buffer READBUF with length LEN. */ | |
748 | ||
749 | extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch); | |
750 | ||
751 | typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len); | |
752 | extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len); | |
753 | extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries); | |
754 | ||
c0edd9ed | 755 | /* How the core target converts a PTID from a core file to a string. */ |
28439f5e PA |
756 | |
757 | extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch); | |
758 | ||
759 | typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
760 | extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); | |
761 | extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); | |
762 | ||
a78c2d62 UW |
763 | /* BFD target to use when generating a core file. */ |
764 | ||
765 | extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch); | |
766 | ||
767 | extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch); | |
768 | extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target); | |
769 | ||
0d5de010 DJ |
770 | /* If the elements of C++ vtables are in-place function descriptors rather |
771 | than normal function pointers (which may point to code or a descriptor), | |
772 | set this to one. */ | |
773 | ||
774 | extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch); | |
775 | extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors); | |
776 | ||
777 | /* Set if the least significant bit of the delta is used instead of the least | |
778 | significant bit of the pfn for pointers to virtual member functions. */ | |
779 | ||
780 | extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch); | |
781 | extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta); | |
782 | ||
6d350bb5 UW |
783 | /* Advance PC to next instruction in order to skip a permanent breakpoint. */ |
784 | ||
785 | extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch); | |
786 | ||
787 | typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache); | |
788 | extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache); | |
789 | extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint); | |
790 | ||
1668ae25 | 791 | /* The maximum length of an instruction on this architecture in bytes. */ |
237fc4c9 PA |
792 | |
793 | extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch); | |
794 | ||
795 | extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch); | |
796 | extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length); | |
797 | ||
798 | /* Copy the instruction at FROM to TO, and make any adjustments | |
799 | necessary to single-step it at that address. | |
800 | ||
801 | REGS holds the state the thread's registers will have before | |
802 | executing the copied instruction; the PC in REGS will refer to FROM, | |
803 | not the copy at TO. The caller should update it to point at TO later. | |
804 | ||
805 | Return a pointer to data of the architecture's choice to be passed | |
806 | to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
807 | the instruction's effects have been completely simulated, with the | |
808 | resulting state written back to REGS. | |
809 | ||
810 | For a general explanation of displaced stepping and how GDB uses it, | |
811 | see the comments in infrun.c. | |
812 | ||
813 | The TO area is only guaranteed to have space for | |
814 | gdbarch_max_insn_length (arch) bytes, so this function must not | |
815 | write more bytes than that to that area. | |
816 | ||
817 | If you do not provide this function, GDB assumes that the | |
818 | architecture does not support displaced stepping. | |
819 | ||
820 | If your architecture doesn't need to adjust instructions before | |
821 | single-stepping them, consider using simple_displaced_step_copy_insn | |
822 | here. */ | |
823 | ||
824 | extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch); | |
825 | ||
826 | typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
827 | extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
828 | extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn); | |
829 | ||
99e40580 UW |
830 | /* Return true if GDB should use hardware single-stepping to execute |
831 | the displaced instruction identified by CLOSURE. If false, | |
832 | GDB will simply restart execution at the displaced instruction | |
833 | location, and it is up to the target to ensure GDB will receive | |
834 | control again (e.g. by placing a software breakpoint instruction | |
835 | into the displaced instruction buffer). | |
836 | ||
837 | The default implementation returns false on all targets that | |
838 | provide a gdbarch_software_single_step routine, and true otherwise. */ | |
839 | ||
840 | typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
841 | extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
842 | extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep); | |
843 | ||
237fc4c9 PA |
844 | /* Fix up the state resulting from successfully single-stepping a |
845 | displaced instruction, to give the result we would have gotten from | |
846 | stepping the instruction in its original location. | |
847 | ||
848 | REGS is the register state resulting from single-stepping the | |
849 | displaced instruction. | |
850 | ||
851 | CLOSURE is the result from the matching call to | |
852 | gdbarch_displaced_step_copy_insn. | |
853 | ||
854 | If you provide gdbarch_displaced_step_copy_insn.but not this | |
855 | function, then GDB assumes that no fixup is needed after | |
856 | single-stepping the instruction. | |
857 | ||
858 | For a general explanation of displaced stepping and how GDB uses it, | |
859 | see the comments in infrun.c. */ | |
860 | ||
861 | extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch); | |
862 | ||
863 | typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
864 | extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); | |
865 | extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup); | |
866 | ||
867 | /* Free a closure returned by gdbarch_displaced_step_copy_insn. | |
868 | ||
869 | If you provide gdbarch_displaced_step_copy_insn, you must provide | |
870 | this function as well. | |
871 | ||
872 | If your architecture uses closures that don't need to be freed, then | |
873 | you can use simple_displaced_step_free_closure here. | |
874 | ||
875 | For a general explanation of displaced stepping and how GDB uses it, | |
876 | see the comments in infrun.c. */ | |
877 | ||
878 | typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
879 | extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure); | |
880 | extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure); | |
881 | ||
882 | /* Return the address of an appropriate place to put displaced | |
883 | instructions while we step over them. There need only be one such | |
884 | place, since we're only stepping one thread over a breakpoint at a | |
885 | time. | |
886 | ||
887 | For a general explanation of displaced stepping and how GDB uses it, | |
888 | see the comments in infrun.c. */ | |
889 | ||
890 | typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch); | |
891 | extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch); | |
892 | extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location); | |
893 | ||
dde08ee1 PA |
894 | /* Relocate an instruction to execute at a different address. OLDLOC |
895 | is the address in the inferior memory where the instruction to | |
896 | relocate is currently at. On input, TO points to the destination | |
897 | where we want the instruction to be copied (and possibly adjusted) | |
898 | to. On output, it points to one past the end of the resulting | |
899 | instruction(s). The effect of executing the instruction at TO shall | |
900 | be the same as if executing it at FROM. For example, call | |
901 | instructions that implicitly push the return address on the stack | |
902 | should be adjusted to return to the instruction after OLDLOC; | |
903 | relative branches, and other PC-relative instructions need the | |
904 | offset adjusted; etc. */ | |
905 | ||
906 | extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); | |
907 | ||
908 | typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
909 | extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); | |
910 | extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); | |
911 | ||
1c772458 UW |
912 | /* Refresh overlay mapped state for section OSECT. */ |
913 | ||
914 | extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); | |
915 | ||
916 | typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect); | |
917 | extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect); | |
918 | extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update); | |
919 | ||
4eb0ad19 DJ |
920 | extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch); |
921 | ||
922 | typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
923 | extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); | |
924 | extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description); | |
925 | ||
149ad273 UW |
926 | /* Handle special encoding of static variables in stabs debug info. */ |
927 | ||
928 | extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch); | |
929 | ||
0d5cff50 DE |
930 | typedef const char * (gdbarch_static_transform_name_ftype) (const char *name); |
931 | extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name); | |
149ad273 UW |
932 | extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name); |
933 | ||
203c3895 UW |
934 | /* Set if the address in N_SO or N_FUN stabs may be zero. */ |
935 | ||
936 | extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch); | |
937 | extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing); | |
938 | ||
0508c3ec HZ |
939 | /* Parse the instruction at ADDR storing in the record execution log |
940 | the registers REGCACHE and memory ranges that will be affected when | |
941 | the instruction executes, along with their current values. | |
942 | Return -1 if something goes wrong, 0 otherwise. */ | |
943 | ||
944 | extern int gdbarch_process_record_p (struct gdbarch *gdbarch); | |
945 | ||
946 | typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
947 | extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); | |
948 | extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record); | |
3846b520 HZ |
949 | |
950 | /* Save process state after a signal. | |
951 | Return -1 if something goes wrong, 0 otherwise. */ | |
952 | ||
953 | extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch); | |
954 | ||
2ea28649 PA |
955 | typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
956 | extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); | |
3846b520 | 957 | extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal); |
0508c3ec | 958 | |
22203bbf | 959 | /* Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
960 | into GDB's representation. The implementation of this method must |
961 | be host independent. IOW, don't rely on symbols of the NAT_FILE | |
962 | header (the nm-*.h files), the host <signal.h> header, or similar | |
963 | headers. This is mainly used when cross-debugging core files --- | |
964 | "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
965 | (target_wait, target_resume, etc.). */ |
966 | ||
967 | extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch); | |
22203bbf PA |
968 | |
969 | typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo); | |
970 | extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo); | |
971 | extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target); | |
1cded358 | 972 | |
4aa995e1 | 973 | /* Extra signal info inspection. |
959b8724 | 974 | |
4aa995e1 PA |
975 | Return a type suitable to inspect extra signal information. */ |
976 | ||
977 | extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch); | |
978 | ||
979 | typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch); | |
980 | extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch); | |
981 | extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type); | |
982 | ||
60c5725c DJ |
983 | /* Record architecture-specific information from the symbol table. */ |
984 | ||
985 | extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch); | |
986 | ||
987 | typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
988 | extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); | |
989 | extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol); | |
990 | ||
a96d9b2e SDJ |
991 | /* Function for the 'catch syscall' feature. |
992 | Get architecture-specific system calls information from registers. */ | |
993 | ||
994 | extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch); | |
995 | ||
996 | typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid); | |
997 | extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid); | |
998 | extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number); | |
999 | ||
55aa24fb SDJ |
1000 | /* SystemTap related fields and functions. |
1001 | Prefix used to mark an integer constant on the architecture's assembly | |
1002 | For example, on x86 integer constants are written as: | |
1003 | ||
1004 | $10 ;; integer constant 10 | |
1005 | ||
1006 | in this case, this prefix would be the character `$'. */ | |
1007 | ||
1008 | extern const char * gdbarch_stap_integer_prefix (struct gdbarch *gdbarch); | |
1009 | extern void set_gdbarch_stap_integer_prefix (struct gdbarch *gdbarch, const char * stap_integer_prefix); | |
1010 | ||
1011 | /* Suffix used to mark an integer constant on the architecture's assembly. */ | |
1012 | ||
1013 | extern const char * gdbarch_stap_integer_suffix (struct gdbarch *gdbarch); | |
1014 | extern void set_gdbarch_stap_integer_suffix (struct gdbarch *gdbarch, const char * stap_integer_suffix); | |
1015 | ||
1016 | /* Prefix used to mark a register name on the architecture's assembly. | |
1017 | For example, on x86 the register name is written as: | |
1018 | ||
1019 | %eax ;; register eax | |
1020 | ||
1021 | in this case, this prefix would be the character `%'. */ | |
1022 | ||
1023 | extern const char * gdbarch_stap_register_prefix (struct gdbarch *gdbarch); | |
1024 | extern void set_gdbarch_stap_register_prefix (struct gdbarch *gdbarch, const char * stap_register_prefix); | |
1025 | ||
1026 | /* Suffix used to mark a register name on the architecture's assembly */ | |
1027 | ||
1028 | extern const char * gdbarch_stap_register_suffix (struct gdbarch *gdbarch); | |
1029 | extern void set_gdbarch_stap_register_suffix (struct gdbarch *gdbarch, const char * stap_register_suffix); | |
1030 | ||
1031 | /* Prefix used to mark a register indirection on the architecture's assembly. | |
1032 | For example, on x86 the register indirection is written as: | |
1033 | ||
1034 | (%eax) ;; indirecting eax | |
1035 | ||
1036 | in this case, this prefix would be the charater `('. | |
1037 | ||
1038 | Please note that we use the indirection prefix also for register | |
1039 | displacement, e.g., `4(%eax)' on x86. */ | |
1040 | ||
1041 | extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch); | |
1042 | extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch, const char * stap_register_indirection_prefix); | |
1043 | ||
1044 | /* Suffix used to mark a register indirection on the architecture's assembly. | |
1045 | For example, on x86 the register indirection is written as: | |
1046 | ||
1047 | (%eax) ;; indirecting eax | |
1048 | ||
1049 | in this case, this prefix would be the charater `)'. | |
1050 | ||
1051 | Please note that we use the indirection suffix also for register | |
1052 | displacement, e.g., `4(%eax)' on x86. */ | |
1053 | ||
1054 | extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch); | |
1055 | extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch, const char * stap_register_indirection_suffix); | |
1056 | ||
1057 | /* Prefix used to name a register using GDB's nomenclature. | |
1058 | ||
1059 | For example, on PPC a register is represented by a number in the assembly | |
1060 | language (e.g., `10' is the 10th general-purpose register). However, | |
1061 | inside GDB this same register has an `r' appended to its name, so the 10th | |
1062 | register would be represented as `r10' internally. */ | |
1063 | ||
1064 | extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch); | |
1065 | extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix); | |
1066 | ||
1067 | /* Suffix used to name a register using GDB's nomenclature. */ | |
1068 | ||
1069 | extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch); | |
1070 | extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix); | |
1071 | ||
1072 | /* Check if S is a single operand. | |
1073 | ||
1074 | Single operands can be: | |
1075 | - Literal integers, e.g. `$10' on x86 | |
1076 | - Register access, e.g. `%eax' on x86 | |
1077 | - Register indirection, e.g. `(%eax)' on x86 | |
1078 | - Register displacement, e.g. `4(%eax)' on x86 | |
1079 | ||
1080 | This function should check for these patterns on the string | |
1081 | and return 1 if some were found, or zero otherwise. Please try to match | |
1082 | as much info as you can from the string, i.e., if you have to match | |
1083 | something like `(%', do not match just the `('. */ | |
1084 | ||
1085 | extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch); | |
1086 | ||
1087 | typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s); | |
1088 | extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s); | |
1089 | extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand); | |
1090 | ||
1091 | /* Function used to handle a "special case" in the parser. | |
1092 | ||
1093 | A "special case" is considered to be an unknown token, i.e., a token | |
1094 | that the parser does not know how to parse. A good example of special | |
1095 | case would be ARM's register displacement syntax: | |
1096 | ||
1097 | [R0, #4] ;; displacing R0 by 4 | |
1098 | ||
1099 | Since the parser assumes that a register displacement is of the form: | |
1100 | ||
1101 | <number> <indirection_prefix> <register_name> <indirection_suffix> | |
1102 | ||
1103 | it means that it will not be able to recognize and parse this odd syntax. | |
1104 | Therefore, we should add a special case function that will handle this token. | |
1105 | ||
1106 | This function should generate the proper expression form of the expression | |
1107 | using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode' | |
1108 | and so on). It should also return 1 if the parsing was successful, or zero | |
1109 | if the token was not recognized as a special token (in this case, returning | |
1110 | zero means that the special parser is deferring the parsing to the generic | |
1111 | parser), and should advance the buffer pointer (p->arg). */ | |
1112 | ||
1113 | extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch); | |
1114 | ||
1115 | typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1116 | extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p); | |
1117 | extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token); | |
1118 | ||
50c71eaf | 1119 | /* True if the list of shared libraries is one and only for all |
9bc9e927 | 1120 | processes, as opposed to a list of shared libraries per inferior. |
2567c7d9 PA |
1121 | This usually means that all processes, although may or may not share |
1122 | an address space, will see the same set of symbols at the same | |
1123 | addresses. */ | |
50c71eaf PA |
1124 | |
1125 | extern int gdbarch_has_global_solist (struct gdbarch *gdbarch); | |
1126 | extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist); | |
1127 | ||
2567c7d9 PA |
1128 | /* On some targets, even though each inferior has its own private |
1129 | address space, the debug interface takes care of making breakpoints | |
1130 | visible to all address spaces automatically. For such cases, | |
1131 | this property should be set to true. */ | |
1132 | ||
1133 | extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch); | |
1134 | extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints); | |
1135 | ||
6c95b8df PA |
1136 | /* True if inferiors share an address space (e.g., uClinux). */ |
1137 | ||
1138 | typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch); | |
1139 | extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch); | |
1140 | extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space); | |
1141 | ||
7a697b8d SS |
1142 | /* True if a fast tracepoint can be set at an address. */ |
1143 | ||
1144 | typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg); | |
1145 | extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg); | |
1146 | extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); | |
1147 | ||
f870a310 TT |
1148 | /* Return the "auto" target charset. */ |
1149 | ||
1150 | typedef const char * (gdbarch_auto_charset_ftype) (void); | |
1151 | extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch); | |
1152 | extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset); | |
1153 | ||
1154 | /* Return the "auto" target wide charset. */ | |
1155 | ||
1156 | typedef const char * (gdbarch_auto_wide_charset_ftype) (void); | |
1157 | extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch); | |
1158 | extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset); | |
1159 | ||
08105857 PA |
1160 | /* If non-empty, this is a file extension that will be opened in place |
1161 | of the file extension reported by the shared library list. | |
1162 | ||
1163 | This is most useful for toolchains that use a post-linker tool, | |
1164 | where the names of the files run on the target differ in extension | |
1165 | compared to the names of the files GDB should load for debug info. */ | |
1166 | ||
1167 | extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch); | |
1168 | extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension); | |
1169 | ||
1412f70b HZ |
1170 | /* If true, the target OS has DOS-based file system semantics. That |
1171 | is, absolute paths include a drive name, and the backslash is | |
1172 | considered a directory separator. */ | |
ab38a727 PA |
1173 | |
1174 | extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); | |
1175 | extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); | |
1176 | ||
6710bf39 SS |
1177 | /* Generate bytecodes to collect the return address in a frame. |
1178 | Since the bytecodes run on the target, possibly with GDB not even | |
1179 | connected, the full unwinding machinery is not available, and | |
1180 | typically this function will issue bytecodes for one or more likely | |
1181 | places that the return address may be found. */ | |
1182 | ||
1183 | typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1184 | extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); | |
1185 | extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); | |
1186 | ||
3030c96e UW |
1187 | /* Implement the "info proc" command. */ |
1188 | ||
1189 | extern int gdbarch_info_proc_p (struct gdbarch *gdbarch); | |
1190 | ||
1191 | typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, char *args, enum info_proc_what what); | |
1192 | extern void gdbarch_info_proc (struct gdbarch *gdbarch, char *args, enum info_proc_what what); | |
1193 | extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc); | |
1194 | ||
19630284 JB |
1195 | /* Iterate over all objfiles in the order that makes the most sense |
1196 | for the architecture to make global symbol searches. | |
1197 | ||
1198 | CB is a callback function where OBJFILE is the objfile to be searched, | |
1199 | and CB_DATA a pointer to user-defined data (the same data that is passed | |
1200 | when calling this gdbarch method). The iteration stops if this function | |
1201 | returns nonzero. | |
1202 | ||
1203 | CB_DATA is a pointer to some user-defined data to be passed to | |
1204 | the callback. | |
1205 | ||
1206 | If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
1207 | inspected when the symbol search was requested. */ | |
1208 | ||
1209 | 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); | |
1210 | 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); | |
1211 | 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); | |
1212 | ||
a96d9b2e SDJ |
1213 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1214 | #define UNKNOWN_SYSCALL (-1) | |
1215 | ||
104c1213 | 1216 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
0f71a2f6 JM |
1217 | |
1218 | ||
1219 | /* Mechanism for co-ordinating the selection of a specific | |
1220 | architecture. | |
1221 | ||
1222 | GDB targets (*-tdep.c) can register an interest in a specific | |
1223 | architecture. Other GDB components can register a need to maintain | |
1224 | per-architecture data. | |
1225 | ||
1226 | The mechanisms below ensures that there is only a loose connection | |
1227 | between the set-architecture command and the various GDB | |
99e7bb18 | 1228 | components. Each component can independently register their need |
0f71a2f6 JM |
1229 | to maintain architecture specific data with gdbarch. |
1230 | ||
1231 | Pragmatics: | |
1232 | ||
1233 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1234 | didn't scale. | |
1235 | ||
1236 | The more traditional mega-struct containing architecture specific | |
1237 | data for all the various GDB components was also considered. Since | |
99e7bb18 | 1238 | GDB is built from a variable number of (fairly independent) |
0f71a2f6 | 1239 | components it was determined that the global aproach was not |
0963b4bd | 1240 | applicable. */ |
0f71a2f6 JM |
1241 | |
1242 | ||
1243 | /* Register a new architectural family with GDB. | |
1244 | ||
1245 | Register support for the specified ARCHITECTURE with GDB. When | |
1246 | gdbarch determines that the specified architecture has been | |
1247 | selected, the corresponding INIT function is called. | |
1248 | ||
1249 | -- | |
1250 | ||
1251 | The INIT function takes two parameters: INFO which contains the | |
1252 | information available to gdbarch about the (possibly new) | |
1253 | architecture; ARCHES which is a list of the previously created | |
1254 | ``struct gdbarch'' for this architecture. | |
1255 | ||
0f79675b | 1256 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1257 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1258 | |
1259 | The ARCHES parameter is a linked list (sorted most recently used) | |
1260 | of all the previously created architures for this architecture | |
1261 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1262 | values from the previously selected architecture for this | |
59837fe0 | 1263 | architecture family. |
0f71a2f6 JM |
1264 | |
1265 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1266 | doesn't recognize the selected architecture; an existing ``struct |
0f71a2f6 JM |
1267 | gdbarch'' from the ARCHES list - indicating that the new |
1268 | architecture is just a synonym for an earlier architecture (see | |
1269 | gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch'' | |
4b9b3959 AC |
1270 | - that describes the selected architecture (see gdbarch_alloc()). |
1271 | ||
1272 | The DUMP_TDEP function shall print out all target specific values. | |
1273 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1274 | multi-arch and non- multi-arch cases. */ |
0f71a2f6 | 1275 | |
adf40b2e JM |
1276 | struct gdbarch_list |
1277 | { | |
1278 | struct gdbarch *gdbarch; | |
1279 | struct gdbarch_list *next; | |
1280 | }; | |
0f71a2f6 | 1281 | |
adf40b2e JM |
1282 | struct gdbarch_info |
1283 | { | |
0963b4bd | 1284 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1285 | const struct bfd_arch_info *bfd_arch_info; |
0f71a2f6 | 1286 | |
428721aa | 1287 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
adf40b2e | 1288 | int byte_order; |
0f71a2f6 | 1289 | |
9d4fde75 SS |
1290 | int byte_order_for_code; |
1291 | ||
0963b4bd | 1292 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1293 | bfd *abfd; |
0f71a2f6 | 1294 | |
0963b4bd | 1295 | /* Use default: NULL (ZERO). */ |
adf40b2e | 1296 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1297 | |
1298 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1299 | enum gdb_osabi osabi; | |
424163ea DJ |
1300 | |
1301 | /* Use default: NULL (ZERO). */ | |
1302 | const struct target_desc *target_desc; | |
adf40b2e | 1303 | }; |
0f71a2f6 | 1304 | |
104c1213 | 1305 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
4b9b3959 | 1306 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1307 | |
4b9b3959 | 1308 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 | 1309 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
0f71a2f6 | 1310 | |
4b9b3959 AC |
1311 | extern void gdbarch_register (enum bfd_architecture architecture, |
1312 | gdbarch_init_ftype *, | |
1313 | gdbarch_dump_tdep_ftype *); | |
1314 | ||
0f71a2f6 | 1315 | |
b4a20239 AC |
1316 | /* Return a freshly allocated, NULL terminated, array of the valid |
1317 | architecture names. Since architectures are registered during the | |
1318 | _initialize phase this function only returns useful information | |
0963b4bd | 1319 | once initialization has been completed. */ |
b4a20239 AC |
1320 | |
1321 | extern const char **gdbarch_printable_names (void); | |
1322 | ||
1323 | ||
0f71a2f6 | 1324 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1325 | matches the information provided by INFO. */ |
0f71a2f6 | 1326 | |
424163ea | 1327 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
0f71a2f6 JM |
1328 | |
1329 | ||
1330 | /* Helper function. Create a preliminary ``struct gdbarch''. Perform | |
424163ea | 1331 | basic initialization using values obtained from the INFO and TDEP |
0f71a2f6 | 1332 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1333 | initialization of the object. */ |
0f71a2f6 | 1334 | |
104c1213 | 1335 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
0f71a2f6 JM |
1336 | |
1337 | ||
4b9b3959 AC |
1338 | /* Helper function. Free a partially-constructed ``struct gdbarch''. |
1339 | It is assumed that the caller freeds the ``struct | |
0963b4bd | 1340 | gdbarch_tdep''. */ |
4b9b3959 | 1341 | |
058f20d5 JB |
1342 | extern void gdbarch_free (struct gdbarch *); |
1343 | ||
1344 | ||
aebd7893 AC |
1345 | /* Helper function. Allocate memory from the ``struct gdbarch'' |
1346 | obstack. The memory is freed when the corresponding architecture | |
1347 | is also freed. */ | |
1348 | ||
1349 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1350 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1351 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1352 | ||
1353 | ||
0963b4bd | 1354 | /* Helper function. Force an update of the current architecture. |
0f71a2f6 | 1355 | |
b732d07d AC |
1356 | The actual architecture selected is determined by INFO, ``(gdb) set |
1357 | architecture'' et.al., the existing architecture and BFD's default | |
1358 | architecture. INFO should be initialized to zero and then selected | |
1359 | fields should be updated. | |
0f71a2f6 | 1360 | |
0963b4bd | 1361 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1362 | |
1363 | extern int gdbarch_update_p (struct gdbarch_info info); | |
0f71a2f6 JM |
1364 | |
1365 | ||
ebdba546 AC |
1366 | /* Helper function. Find an architecture matching info. |
1367 | ||
1368 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1369 | set, and then finished using gdbarch_info_fill. | |
1370 | ||
1371 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1372 | architecture was found. */ |
ebdba546 AC |
1373 | |
1374 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1375 | ||
1376 | ||
59837fe0 | 1377 | /* Helper function. Set the global "target_gdbarch" to "gdbarch". |
ebdba546 AC |
1378 | |
1379 | FIXME: kettenis/20031124: Of the functions that follow, only | |
1380 | gdbarch_from_bfd is supposed to survive. The others will | |
1381 | dissappear since in the future GDB will (hopefully) be truly | |
1382 | multi-arch. However, for now we're still stuck with the concept of | |
1383 | a single active architecture. */ | |
1384 | ||
59837fe0 | 1385 | extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch); |
ebdba546 | 1386 | |
0f71a2f6 JM |
1387 | |
1388 | /* Register per-architecture data-pointer. | |
1389 | ||
1390 | Reserve space for a per-architecture data-pointer. An identifier | |
1391 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1392 | be saved in a local static variable. |
0f71a2f6 | 1393 | |
fcc1c85c AC |
1394 | Memory for the per-architecture data shall be allocated using |
1395 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1396 | corresponding architecture object is deleted. | |
0f71a2f6 | 1397 | |
95160752 AC |
1398 | When a previously created architecture is re-selected, the |
1399 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1400 | restored. INIT() is not re-called. |
0f71a2f6 JM |
1401 | |
1402 | Multiple registrarants for any architecture are allowed (and | |
1403 | strongly encouraged). */ | |
1404 | ||
95160752 | 1405 | struct gdbarch_data; |
0f71a2f6 | 1406 | |
030f20e1 AC |
1407 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1408 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1409 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1410 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1411 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1412 | struct gdbarch_data *data, | |
1413 | void *pointer); | |
0f71a2f6 | 1414 | |
451fbdda | 1415 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
0f71a2f6 JM |
1416 | |
1417 | ||
99e7bb18 | 1418 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1419 | byte-order, ...) using information found in the BFD. */ |
c906108c | 1420 | |
104c1213 | 1421 | extern void set_gdbarch_from_file (bfd *); |
c906108c SS |
1422 | |
1423 | ||
e514a9d6 JM |
1424 | /* Initialize the current architecture to the "first" one we find on |
1425 | our list. */ | |
1426 | ||
1427 | extern void initialize_current_architecture (void); | |
1428 | ||
c906108c | 1429 | /* gdbarch trace variable */ |
adf40b2e | 1430 | extern int gdbarch_debug; |
c906108c | 1431 | |
4b9b3959 | 1432 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
0f71a2f6 | 1433 | |
c906108c | 1434 | #endif |