| 1 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
| 2 | /* vi:set ro: */ |
| 3 | |
| 4 | /* Dynamic architecture support for GDB, the GNU debugger. |
| 5 | |
| 6 | Copyright (C) 1998-2016 Free Software Foundation, Inc. |
| 7 | |
| 8 | This file is part of GDB. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 22 | |
| 23 | /* This file was created with the aid of ``gdbarch.sh''. |
| 24 | |
| 25 | The Bourne shell script ``gdbarch.sh'' creates the files |
| 26 | ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them |
| 27 | against the existing ``gdbarch.[hc]''. Any differences found |
| 28 | being reported. |
| 29 | |
| 30 | If editing this file, please also run gdbarch.sh and merge any |
| 31 | changes into that script. Conversely, when making sweeping changes |
| 32 | to this file, modifying gdbarch.sh and using its output may prove |
| 33 | easier. */ |
| 34 | |
| 35 | #ifndef GDBARCH_H |
| 36 | #define GDBARCH_H |
| 37 | |
| 38 | #include "frame.h" |
| 39 | |
| 40 | struct floatformat; |
| 41 | struct ui_file; |
| 42 | struct value; |
| 43 | struct objfile; |
| 44 | struct obj_section; |
| 45 | struct minimal_symbol; |
| 46 | struct regcache; |
| 47 | struct reggroup; |
| 48 | struct regset; |
| 49 | struct disassemble_info; |
| 50 | struct target_ops; |
| 51 | struct obstack; |
| 52 | struct bp_target_info; |
| 53 | struct target_desc; |
| 54 | struct objfile; |
| 55 | struct symbol; |
| 56 | struct displaced_step_closure; |
| 57 | struct syscall; |
| 58 | struct agent_expr; |
| 59 | struct axs_value; |
| 60 | struct stap_parse_info; |
| 61 | struct parser_state; |
| 62 | struct ravenscar_arch_ops; |
| 63 | struct elf_internal_linux_prpsinfo; |
| 64 | struct mem_range; |
| 65 | struct syscalls_info; |
| 66 | struct thread_info; |
| 67 | struct ui_out; |
| 68 | |
| 69 | #include "regcache.h" |
| 70 | |
| 71 | /* The architecture associated with the inferior through the |
| 72 | connection to the target. |
| 73 | |
| 74 | The architecture vector provides some information that is really a |
| 75 | property of the inferior, accessed through a particular target: |
| 76 | ptrace operations; the layout of certain RSP packets; the solib_ops |
| 77 | vector; etc. To differentiate architecture accesses to |
| 78 | per-inferior/target properties from |
| 79 | per-thread/per-frame/per-objfile properties, accesses to |
| 80 | per-inferior/target properties should be made through this |
| 81 | gdbarch. */ |
| 82 | |
| 83 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ |
| 84 | extern struct gdbarch *target_gdbarch (void); |
| 85 | |
| 86 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
| 87 | gdbarch method. */ |
| 88 | |
| 89 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) |
| 90 | (struct objfile *objfile, void *cb_data); |
| 91 | |
| 92 | /* Callback type for regset section iterators. The callback usually |
| 93 | invokes the REGSET's supply or collect method, to which it must |
| 94 | pass a buffer with at least the given SIZE. SECT_NAME is a BFD |
| 95 | section name, and HUMAN_NAME is used for diagnostic messages. |
| 96 | CB_DATA should have been passed unchanged through the iterator. */ |
| 97 | |
| 98 | typedef void (iterate_over_regset_sections_cb) |
| 99 | (const char *sect_name, int size, const struct regset *regset, |
| 100 | const char *human_name, void *cb_data); |
| 101 | |
| 102 | |
| 103 | /* The following are pre-initialized by GDBARCH. */ |
| 104 | |
| 105 | extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch); |
| 106 | /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */ |
| 107 | |
| 108 | extern enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch); |
| 109 | /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
| 110 | |
| 111 | extern enum bfd_endian gdbarch_byte_order_for_code (struct gdbarch *gdbarch); |
| 112 | /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */ |
| 113 | |
| 114 | extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch); |
| 115 | /* set_gdbarch_osabi() - not applicable - pre-initialized. */ |
| 116 | |
| 117 | extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch); |
| 118 | /* set_gdbarch_target_desc() - not applicable - pre-initialized. */ |
| 119 | |
| 120 | |
| 121 | /* The following are initialized by the target dependent code. */ |
| 122 | |
| 123 | /* The bit byte-order has to do just with numbering of bits in debugging symbols |
| 124 | and such. Conceptually, it's quite separate from byte/word byte order. */ |
| 125 | |
| 126 | extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch); |
| 127 | extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian); |
| 128 | |
| 129 | /* Number of bits in a char or unsigned char for the target machine. |
| 130 | Just like CHAR_BIT in <limits.h> but describes the target machine. |
| 131 | v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
| 132 | |
| 133 | Number of bits in a short or unsigned short for the target machine. */ |
| 134 | |
| 135 | extern int gdbarch_short_bit (struct gdbarch *gdbarch); |
| 136 | extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit); |
| 137 | |
| 138 | /* Number of bits in an int or unsigned int for the target machine. */ |
| 139 | |
| 140 | extern int gdbarch_int_bit (struct gdbarch *gdbarch); |
| 141 | extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); |
| 142 | |
| 143 | /* Number of bits in a long or unsigned long for the target machine. */ |
| 144 | |
| 145 | extern int gdbarch_long_bit (struct gdbarch *gdbarch); |
| 146 | extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); |
| 147 | |
| 148 | /* Number of bits in a long long or unsigned long long for the target |
| 149 | machine. */ |
| 150 | |
| 151 | extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); |
| 152 | extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); |
| 153 | |
| 154 | /* Alignment of a long long or unsigned long long for the target |
| 155 | machine. */ |
| 156 | |
| 157 | extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); |
| 158 | extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); |
| 159 | |
| 160 | /* The ABI default bit-size and format for "half", "float", "double", and |
| 161 | "long double". These bit/format pairs should eventually be combined |
| 162 | into a single object. For the moment, just initialize them as a pair. |
| 163 | Each format describes both the big and little endian layouts (if |
| 164 | useful). */ |
| 165 | |
| 166 | extern int gdbarch_half_bit (struct gdbarch *gdbarch); |
| 167 | extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit); |
| 168 | |
| 169 | extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch); |
| 170 | extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format); |
| 171 | |
| 172 | extern int gdbarch_float_bit (struct gdbarch *gdbarch); |
| 173 | extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit); |
| 174 | |
| 175 | extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch); |
| 176 | extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format); |
| 177 | |
| 178 | extern int gdbarch_double_bit (struct gdbarch *gdbarch); |
| 179 | extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit); |
| 180 | |
| 181 | extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch); |
| 182 | extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format); |
| 183 | |
| 184 | extern int gdbarch_long_double_bit (struct gdbarch *gdbarch); |
| 185 | extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit); |
| 186 | |
| 187 | extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch); |
| 188 | extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format); |
| 189 | |
| 190 | /* For most targets, a pointer on the target and its representation as an |
| 191 | address in GDB have the same size and "look the same". For such a |
| 192 | target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
| 193 | / addr_bit will be set from it. |
| 194 | |
| 195 | If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
| 196 | also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
| 197 | gdbarch_address_to_pointer as well. |
| 198 | |
| 199 | ptr_bit is the size of a pointer on the target */ |
| 200 | |
| 201 | extern int gdbarch_ptr_bit (struct gdbarch *gdbarch); |
| 202 | extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit); |
| 203 | |
| 204 | /* addr_bit is the size of a target address as represented in gdb */ |
| 205 | |
| 206 | extern int gdbarch_addr_bit (struct gdbarch *gdbarch); |
| 207 | extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit); |
| 208 | |
| 209 | /* dwarf2_addr_size is the target address size as used in the Dwarf debug |
| 210 | info. For .debug_frame FDEs, this is supposed to be the target address |
| 211 | size from the associated CU header, and which is equivalent to the |
| 212 | DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. |
| 213 | Unfortunately there is no good way to determine this value. Therefore |
| 214 | dwarf2_addr_size simply defaults to the target pointer size. |
| 215 | |
| 216 | dwarf2_addr_size is not used for .eh_frame FDEs, which are generally |
| 217 | defined using the target's pointer size so far. |
| 218 | |
| 219 | Note that dwarf2_addr_size only needs to be redefined by a target if the |
| 220 | GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, |
| 221 | and if Dwarf versions < 4 need to be supported. */ |
| 222 | |
| 223 | extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch); |
| 224 | extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size); |
| 225 | |
| 226 | /* One if `char' acts like `signed char', zero if `unsigned char'. */ |
| 227 | |
| 228 | extern int gdbarch_char_signed (struct gdbarch *gdbarch); |
| 229 | extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed); |
| 230 | |
| 231 | extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); |
| 232 | |
| 233 | typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache); |
| 234 | extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache); |
| 235 | extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc); |
| 236 | |
| 237 | extern int gdbarch_write_pc_p (struct gdbarch *gdbarch); |
| 238 | |
| 239 | typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val); |
| 240 | extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val); |
| 241 | extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc); |
| 242 | |
| 243 | /* Function for getting target's idea of a frame pointer. FIXME: GDB's |
| 244 | whole scheme for dealing with "frames" and "frame pointers" needs a |
| 245 | serious shakedown. */ |
| 246 | |
| 247 | typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
| 248 | extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
| 249 | extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer); |
| 250 | |
| 251 | extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); |
| 252 | |
| 253 | typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
| 254 | extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
| 255 | extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); |
| 256 | |
| 257 | /* Read a register into a new struct value. If the register is wholly |
| 258 | or partly unavailable, this should call mark_value_bytes_unavailable |
| 259 | as appropriate. If this is defined, then pseudo_register_read will |
| 260 | never be called. */ |
| 261 | |
| 262 | extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); |
| 263 | |
| 264 | typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); |
| 265 | extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); |
| 266 | extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); |
| 267 | |
| 268 | extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); |
| 269 | |
| 270 | typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
| 271 | extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
| 272 | extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write); |
| 273 | |
| 274 | extern int gdbarch_num_regs (struct gdbarch *gdbarch); |
| 275 | extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs); |
| 276 | |
| 277 | /* This macro gives the number of pseudo-registers that live in the |
| 278 | register namespace but do not get fetched or stored on the target. |
| 279 | These pseudo-registers may be aliases for other registers, |
| 280 | combinations of other registers, or they may be computed by GDB. */ |
| 281 | |
| 282 | extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch); |
| 283 | extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs); |
| 284 | |
| 285 | /* Assemble agent expression bytecode to collect pseudo-register REG. |
| 286 | Return -1 if something goes wrong, 0 otherwise. */ |
| 287 | |
| 288 | extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch); |
| 289 | |
| 290 | typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 291 | extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 292 | extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect); |
| 293 | |
| 294 | /* Assemble agent expression bytecode to push the value of pseudo-register |
| 295 | REG on the interpreter stack. |
| 296 | Return -1 if something goes wrong, 0 otherwise. */ |
| 297 | |
| 298 | extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch); |
| 299 | |
| 300 | typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 301 | extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 302 | extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack); |
| 303 | |
| 304 | /* Some targets/architectures can do extra processing/display of |
| 305 | segmentation faults. E.g., Intel MPX boundary faults. |
| 306 | Call the architecture dependent function to handle the fault. |
| 307 | UIOUT is the output stream where the handler will place information. */ |
| 308 | |
| 309 | extern int gdbarch_handle_segmentation_fault_p (struct gdbarch *gdbarch); |
| 310 | |
| 311 | typedef void (gdbarch_handle_segmentation_fault_ftype) (struct gdbarch *gdbarch, struct ui_out *uiout); |
| 312 | extern void gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, struct ui_out *uiout); |
| 313 | extern void set_gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, gdbarch_handle_segmentation_fault_ftype *handle_segmentation_fault); |
| 314 | |
| 315 | /* GDB's standard (or well known) register numbers. These can map onto |
| 316 | a real register or a pseudo (computed) register or not be defined at |
| 317 | all (-1). |
| 318 | gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */ |
| 319 | |
| 320 | extern int gdbarch_sp_regnum (struct gdbarch *gdbarch); |
| 321 | extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); |
| 322 | |
| 323 | extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); |
| 324 | extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); |
| 325 | |
| 326 | extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); |
| 327 | extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); |
| 328 | |
| 329 | extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch); |
| 330 | extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum); |
| 331 | |
| 332 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ |
| 333 | |
| 334 | typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr); |
| 335 | extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr); |
| 336 | extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum); |
| 337 | |
| 338 | /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */ |
| 339 | |
| 340 | typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr); |
| 341 | extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr); |
| 342 | extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum); |
| 343 | |
| 344 | /* Convert from an sdb register number to an internal gdb register number. */ |
| 345 | |
| 346 | typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr); |
| 347 | extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr); |
| 348 | extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum); |
| 349 | |
| 350 | /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
| 351 | Return -1 for bad REGNUM. Note: Several targets get this wrong. */ |
| 352 | |
| 353 | typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr); |
| 354 | extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr); |
| 355 | extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum); |
| 356 | |
| 357 | typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr); |
| 358 | extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr); |
| 359 | extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name); |
| 360 | |
| 361 | /* Return the type of a register specified by the architecture. Only |
| 362 | the register cache should call this function directly; others should |
| 363 | use "register_type". */ |
| 364 | |
| 365 | extern int gdbarch_register_type_p (struct gdbarch *gdbarch); |
| 366 | |
| 367 | typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr); |
| 368 | extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr); |
| 369 | extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type); |
| 370 | |
| 371 | extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch); |
| 372 | |
| 373 | typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame); |
| 374 | extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame); |
| 375 | extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id); |
| 376 | |
| 377 | /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete |
| 378 | deprecated_fp_regnum. */ |
| 379 | |
| 380 | extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch); |
| 381 | extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum); |
| 382 | |
| 383 | extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch); |
| 384 | |
| 385 | typedef CORE_ADDR (gdbarch_push_dummy_call_ftype) (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr); |
| 386 | extern CORE_ADDR gdbarch_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr); |
| 387 | extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call); |
| 388 | |
| 389 | extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch); |
| 390 | extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location); |
| 391 | |
| 392 | extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch); |
| 393 | |
| 394 | typedef CORE_ADDR (gdbarch_push_dummy_code_ftype) (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache); |
| 395 | extern CORE_ADDR gdbarch_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache); |
| 396 | extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code); |
| 397 | |
| 398 | typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
| 399 | extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
| 400 | extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info); |
| 401 | |
| 402 | typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 403 | extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 404 | extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info); |
| 405 | |
| 406 | extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch); |
| 407 | |
| 408 | typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 409 | extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 410 | extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info); |
| 411 | |
| 412 | /* MAP a GDB RAW register number onto a simulator register number. See |
| 413 | also include/...-sim.h. */ |
| 414 | |
| 415 | typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr); |
| 416 | extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr); |
| 417 | extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno); |
| 418 | |
| 419 | typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum); |
| 420 | extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum); |
| 421 | extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register); |
| 422 | |
| 423 | typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum); |
| 424 | extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum); |
| 425 | extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register); |
| 426 | |
| 427 | /* Determine the address where a longjmp will land and save this address |
| 428 | in PC. Return nonzero on success. |
| 429 | |
| 430 | FRAME corresponds to the longjmp frame. */ |
| 431 | |
| 432 | extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch); |
| 433 | |
| 434 | typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc); |
| 435 | extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc); |
| 436 | extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target); |
| 437 | |
| 438 | extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch); |
| 439 | extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion); |
| 440 | |
| 441 | typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type); |
| 442 | extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type); |
| 443 | extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p); |
| 444 | |
| 445 | typedef int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
| 446 | 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); |
| 447 | extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value); |
| 448 | |
| 449 | typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
| 450 | extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
| 451 | extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register); |
| 452 | |
| 453 | /* Construct a value representing the contents of register REGNUM in |
| 454 | frame FRAME_ID, interpreted as type TYPE. The routine needs to |
| 455 | allocate and return a struct value with all value attributes |
| 456 | (but not the value contents) filled in. */ |
| 457 | |
| 458 | typedef struct value * (gdbarch_value_from_register_ftype) (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); |
| 459 | extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); |
| 460 | extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register); |
| 461 | |
| 462 | typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 463 | extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 464 | extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address); |
| 465 | |
| 466 | typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
| 467 | extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
| 468 | extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer); |
| 469 | |
| 470 | extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch); |
| 471 | |
| 472 | typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 473 | extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 474 | extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address); |
| 475 | |
| 476 | /* Return the return-value convention that will be used by FUNCTION |
| 477 | to return a value of type VALTYPE. FUNCTION may be NULL in which |
| 478 | case the return convention is computed based only on VALTYPE. |
| 479 | |
| 480 | If READBUF is not NULL, extract the return value and save it in this buffer. |
| 481 | |
| 482 | If WRITEBUF is not NULL, it contains a return value which will be |
| 483 | stored into the appropriate register. This can be used when we want |
| 484 | to force the value returned by a function (see the "return" command |
| 485 | for instance). */ |
| 486 | |
| 487 | extern int gdbarch_return_value_p (struct gdbarch *gdbarch); |
| 488 | |
| 489 | 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); |
| 490 | 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); |
| 491 | extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value); |
| 492 | |
| 493 | /* Return true if the return value of function is stored in the first hidden |
| 494 | parameter. In theory, this feature should be language-dependent, specified |
| 495 | by language and its ABI, such as C++. Unfortunately, compiler may |
| 496 | implement it to a target-dependent feature. So that we need such hook here |
| 497 | to be aware of this in GDB. */ |
| 498 | |
| 499 | typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type); |
| 500 | extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type); |
| 501 | 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); |
| 502 | |
| 503 | typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 504 | extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 505 | extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue); |
| 506 | |
| 507 | extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch); |
| 508 | |
| 509 | typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 510 | extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 511 | extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue); |
| 512 | |
| 513 | /* On some platforms, a single function may provide multiple entry points, |
| 514 | e.g. one that is used for function-pointer calls and a different one |
| 515 | that is used for direct function calls. |
| 516 | In order to ensure that breakpoints set on the function will trigger |
| 517 | no matter via which entry point the function is entered, a platform |
| 518 | may provide the skip_entrypoint callback. It is called with IP set |
| 519 | to the main entry point of a function (as determined by the symbol table), |
| 520 | and should return the address of the innermost entry point, where the |
| 521 | actual breakpoint needs to be set. Note that skip_entrypoint is used |
| 522 | by GDB common code even when debugging optimized code, where skip_prologue |
| 523 | is not used. */ |
| 524 | |
| 525 | extern int gdbarch_skip_entrypoint_p (struct gdbarch *gdbarch); |
| 526 | |
| 527 | typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 528 | extern CORE_ADDR gdbarch_skip_entrypoint (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 529 | extern void set_gdbarch_skip_entrypoint (struct gdbarch *gdbarch, gdbarch_skip_entrypoint_ftype *skip_entrypoint); |
| 530 | |
| 531 | typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs); |
| 532 | extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs); |
| 533 | extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than); |
| 534 | |
| 535 | typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
| 536 | extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
| 537 | extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc); |
| 538 | |
| 539 | /* Return the adjusted address and kind to use for Z0/Z1 packets. |
| 540 | KIND is usually the memory length of the breakpoint, but may have a |
| 541 | different target-specific meaning. */ |
| 542 | |
| 543 | typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); |
| 544 | extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); |
| 545 | extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc); |
| 546 | |
| 547 | extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch); |
| 548 | |
| 549 | typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr); |
| 550 | extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr); |
| 551 | extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address); |
| 552 | |
| 553 | typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 554 | extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 555 | extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint); |
| 556 | |
| 557 | typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 558 | extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 559 | extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint); |
| 560 | |
| 561 | extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch); |
| 562 | extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break); |
| 563 | |
| 564 | /* A function can be addressed by either it's "pointer" (possibly a |
| 565 | descriptor address) or "entry point" (first executable instruction). |
| 566 | The method "convert_from_func_ptr_addr" converting the former to the |
| 567 | latter. gdbarch_deprecated_function_start_offset is being used to implement |
| 568 | a simplified subset of that functionality - the function's address |
| 569 | corresponds to the "function pointer" and the function's start |
| 570 | corresponds to the "function entry point" - and hence is redundant. */ |
| 571 | |
| 572 | extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch); |
| 573 | extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset); |
| 574 | |
| 575 | /* Return the remote protocol register number associated with this |
| 576 | register. Normally the identity mapping. */ |
| 577 | |
| 578 | typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno); |
| 579 | extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno); |
| 580 | extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number); |
| 581 | |
| 582 | /* Fetch the target specific address used to represent a load module. */ |
| 583 | |
| 584 | extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch); |
| 585 | |
| 586 | typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile); |
| 587 | extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile); |
| 588 | extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address); |
| 589 | |
| 590 | extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch); |
| 591 | extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip); |
| 592 | |
| 593 | extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch); |
| 594 | |
| 595 | typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 596 | extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 597 | extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc); |
| 598 | |
| 599 | extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch); |
| 600 | |
| 601 | typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 602 | extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 603 | extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp); |
| 604 | |
| 605 | /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
| 606 | frame-base. Enable frame-base before frame-unwind. */ |
| 607 | |
| 608 | extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch); |
| 609 | |
| 610 | typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame); |
| 611 | extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame); |
| 612 | extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args); |
| 613 | |
| 614 | extern int gdbarch_frame_align_p (struct gdbarch *gdbarch); |
| 615 | |
| 616 | typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address); |
| 617 | extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address); |
| 618 | extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align); |
| 619 | |
| 620 | typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type); |
| 621 | extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type); |
| 622 | extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr); |
| 623 | |
| 624 | extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch); |
| 625 | extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size); |
| 626 | |
| 627 | typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
| 628 | extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
| 629 | extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr); |
| 630 | |
| 631 | /* On some machines there are bits in addresses which are not really |
| 632 | part of the address, but are used by the kernel, the hardware, etc. |
| 633 | for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
| 634 | we get a "real" address such as one would find in a symbol table. |
| 635 | This is used only for addresses of instructions, and even then I'm |
| 636 | not sure it's used in all contexts. It exists to deal with there |
| 637 | being a few stray bits in the PC which would mislead us, not as some |
| 638 | sort of generic thing to handle alignment or segmentation (it's |
| 639 | possible it should be in TARGET_READ_PC instead). */ |
| 640 | |
| 641 | typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 642 | extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 643 | extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); |
| 644 | |
| 645 | /* FIXME/cagney/2001-01-18: This should be split in two. A target method that |
| 646 | indicates if the target needs software single step. An ISA method to |
| 647 | implement it. |
| 648 | |
| 649 | FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
| 650 | target can single step. If not, then implement single step using breakpoints. |
| 651 | |
| 652 | A return value of 1 means that the software_single_step breakpoints |
| 653 | were inserted; 0 means they were not. */ |
| 654 | |
| 655 | extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch); |
| 656 | |
| 657 | typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame); |
| 658 | extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame); |
| 659 | extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step); |
| 660 | |
| 661 | /* Return non-zero if the processor is executing a delay slot and a |
| 662 | further single-step is needed before the instruction finishes. */ |
| 663 | |
| 664 | extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch); |
| 665 | |
| 666 | typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); |
| 667 | extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); |
| 668 | extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); |
| 669 | |
| 670 | /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
| 671 | disassembler. Perhaps objdump can handle it? */ |
| 672 | |
| 673 | typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info); |
| 674 | extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info); |
| 675 | extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn); |
| 676 | |
| 677 | typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc); |
| 678 | extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc); |
| 679 | extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code); |
| 680 | |
| 681 | /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
| 682 | evaluates non-zero, this is the address where the debugger will place |
| 683 | a step-resume breakpoint to get us past the dynamic linker. */ |
| 684 | |
| 685 | typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); |
| 686 | extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc); |
| 687 | extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver); |
| 688 | |
| 689 | /* Some systems also have trampoline code for returning from shared libs. */ |
| 690 | |
| 691 | typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
| 692 | extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
| 693 | extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); |
| 694 | |
| 695 | /* A target might have problems with watchpoints as soon as the stack |
| 696 | frame of the current function has been destroyed. This mostly happens |
| 697 | as the first action in a function's epilogue. stack_frame_destroyed_p() |
| 698 | is defined to return a non-zero value if either the given addr is one |
| 699 | instruction after the stack destroying instruction up to the trailing |
| 700 | return instruction or if we can figure out that the stack frame has |
| 701 | already been invalidated regardless of the value of addr. Targets |
| 702 | which don't suffer from that problem could just let this functionality |
| 703 | untouched. */ |
| 704 | |
| 705 | typedef int (gdbarch_stack_frame_destroyed_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 706 | extern int gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 707 | extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, gdbarch_stack_frame_destroyed_p_ftype *stack_frame_destroyed_p); |
| 708 | |
| 709 | /* Process an ELF symbol in the minimal symbol table in a backend-specific |
| 710 | way. Normally this hook is supposed to do nothing, however if required, |
| 711 | then this hook can be used to apply tranformations to symbols that are |
| 712 | considered special in some way. For example the MIPS backend uses it |
| 713 | to interpret `st_other' information to mark compressed code symbols so |
| 714 | that they can be treated in the appropriate manner in the processing of |
| 715 | the main symbol table and DWARF-2 records. */ |
| 716 | |
| 717 | extern int gdbarch_elf_make_msymbol_special_p (struct gdbarch *gdbarch); |
| 718 | |
| 719 | typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym); |
| 720 | extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym); |
| 721 | extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special); |
| 722 | |
| 723 | typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym); |
| 724 | extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym); |
| 725 | extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special); |
| 726 | |
| 727 | /* Process a symbol in the main symbol table in a backend-specific way. |
| 728 | Normally this hook is supposed to do nothing, however if required, |
| 729 | then this hook can be used to apply tranformations to symbols that |
| 730 | are considered special in some way. This is currently used by the |
| 731 | MIPS backend to make sure compressed code symbols have the ISA bit |
| 732 | set. This in turn is needed for symbol values seen in GDB to match |
| 733 | the values used at the runtime by the program itself, for function |
| 734 | and label references. */ |
| 735 | |
| 736 | typedef void (gdbarch_make_symbol_special_ftype) (struct symbol *sym, struct objfile *objfile); |
| 737 | extern void gdbarch_make_symbol_special (struct gdbarch *gdbarch, struct symbol *sym, struct objfile *objfile); |
| 738 | extern void set_gdbarch_make_symbol_special (struct gdbarch *gdbarch, gdbarch_make_symbol_special_ftype *make_symbol_special); |
| 739 | |
| 740 | /* Adjust the address retrieved from a DWARF-2 record other than a line |
| 741 | entry in a backend-specific way. Normally this hook is supposed to |
| 742 | return the address passed unchanged, however if that is incorrect for |
| 743 | any reason, then this hook can be used to fix the address up in the |
| 744 | required manner. This is currently used by the MIPS backend to make |
| 745 | sure addresses in FDE, range records, etc. referring to compressed |
| 746 | code have the ISA bit set, matching line information and the symbol |
| 747 | table. */ |
| 748 | |
| 749 | typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype) (CORE_ADDR pc); |
| 750 | extern CORE_ADDR gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, CORE_ADDR pc); |
| 751 | extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_addr_ftype *adjust_dwarf2_addr); |
| 752 | |
| 753 | /* Adjust the address updated by a line entry in a backend-specific way. |
| 754 | Normally this hook is supposed to return the address passed unchanged, |
| 755 | however in the case of inconsistencies in these records, this hook can |
| 756 | be used to fix them up in the required manner. This is currently used |
| 757 | by the MIPS backend to make sure all line addresses in compressed code |
| 758 | are presented with the ISA bit set, which is not always the case. This |
| 759 | in turn ensures breakpoint addresses are correctly matched against the |
| 760 | stop PC. */ |
| 761 | |
| 762 | typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype) (CORE_ADDR addr, int rel); |
| 763 | extern CORE_ADDR gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, CORE_ADDR addr, int rel); |
| 764 | extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_line_ftype *adjust_dwarf2_line); |
| 765 | |
| 766 | extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch); |
| 767 | extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint); |
| 768 | |
| 769 | extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch); |
| 770 | extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint); |
| 771 | |
| 772 | extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch); |
| 773 | |
| 774 | typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class); |
| 775 | extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class); |
| 776 | extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags); |
| 777 | |
| 778 | extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch); |
| 779 | |
| 780 | typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags); |
| 781 | extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags); |
| 782 | 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); |
| 783 | |
| 784 | /* Return the appropriate type_flags for the supplied address class. |
| 785 | This function should return 1 if the address class was recognized and |
| 786 | type_flags was set, zero otherwise. */ |
| 787 | |
| 788 | extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch); |
| 789 | |
| 790 | typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
| 791 | extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
| 792 | 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); |
| 793 | |
| 794 | /* Is a register in a group */ |
| 795 | |
| 796 | typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); |
| 797 | extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); |
| 798 | extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p); |
| 799 | |
| 800 | /* Fetch the pointer to the ith function argument. */ |
| 801 | |
| 802 | extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch); |
| 803 | |
| 804 | typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type); |
| 805 | extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type); |
| 806 | extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument); |
| 807 | |
| 808 | /* Iterate over all supported register notes in a core file. For each |
| 809 | supported register note section, the iterator must call CB and pass |
| 810 | CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit |
| 811 | the supported register note sections based on the current register |
| 812 | values. Otherwise it should enumerate all supported register note |
| 813 | sections. */ |
| 814 | |
| 815 | extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch); |
| 816 | |
| 817 | typedef void (gdbarch_iterate_over_regset_sections_ftype) (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); |
| 818 | extern void gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); |
| 819 | extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, gdbarch_iterate_over_regset_sections_ftype *iterate_over_regset_sections); |
| 820 | |
| 821 | /* Create core file notes */ |
| 822 | |
| 823 | extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch); |
| 824 | |
| 825 | typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size); |
| 826 | extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size); |
| 827 | extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes); |
| 828 | |
| 829 | /* The elfcore writer hook to use to write Linux prpsinfo notes to core |
| 830 | files. Most Linux architectures use the same prpsinfo32 or |
| 831 | prpsinfo64 layouts, and so won't need to provide this hook, as we |
| 832 | call the Linux generic routines in bfd to write prpsinfo notes by |
| 833 | default. */ |
| 834 | |
| 835 | extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch *gdbarch); |
| 836 | |
| 837 | typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype) (bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); |
| 838 | extern char * gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); |
| 839 | extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, gdbarch_elfcore_write_linux_prpsinfo_ftype *elfcore_write_linux_prpsinfo); |
| 840 | |
| 841 | /* Find core file memory regions */ |
| 842 | |
| 843 | extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch); |
| 844 | |
| 845 | typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); |
| 846 | extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); |
| 847 | extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions); |
| 848 | |
| 849 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
| 850 | core file into buffer READBUF with length LEN. Return the number of bytes read |
| 851 | (zero indicates failure). |
| 852 | failed, otherwise, return the red length of READBUF. */ |
| 853 | |
| 854 | extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch); |
| 855 | |
| 856 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| 857 | extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| 858 | extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries); |
| 859 | |
| 860 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
| 861 | libraries list from core file into buffer READBUF with length LEN. |
| 862 | Return the number of bytes read (zero indicates failure). */ |
| 863 | |
| 864 | extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch *gdbarch); |
| 865 | |
| 866 | typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| 867 | extern ULONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| 868 | extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_aix_ftype *core_xfer_shared_libraries_aix); |
| 869 | |
| 870 | /* How the core target converts a PTID from a core file to a string. */ |
| 871 | |
| 872 | extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch); |
| 873 | |
| 874 | typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); |
| 875 | extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); |
| 876 | extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); |
| 877 | |
| 878 | /* How the core target extracts the name of a thread from a core file. */ |
| 879 | |
| 880 | extern int gdbarch_core_thread_name_p (struct gdbarch *gdbarch); |
| 881 | |
| 882 | typedef const char * (gdbarch_core_thread_name_ftype) (struct gdbarch *gdbarch, struct thread_info *thr); |
| 883 | extern const char * gdbarch_core_thread_name (struct gdbarch *gdbarch, struct thread_info *thr); |
| 884 | extern void set_gdbarch_core_thread_name (struct gdbarch *gdbarch, gdbarch_core_thread_name_ftype *core_thread_name); |
| 885 | |
| 886 | /* BFD target to use when generating a core file. */ |
| 887 | |
| 888 | extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch); |
| 889 | |
| 890 | extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch); |
| 891 | extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target); |
| 892 | |
| 893 | /* If the elements of C++ vtables are in-place function descriptors rather |
| 894 | than normal function pointers (which may point to code or a descriptor), |
| 895 | set this to one. */ |
| 896 | |
| 897 | extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch); |
| 898 | extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors); |
| 899 | |
| 900 | /* Set if the least significant bit of the delta is used instead of the least |
| 901 | significant bit of the pfn for pointers to virtual member functions. */ |
| 902 | |
| 903 | extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch); |
| 904 | extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta); |
| 905 | |
| 906 | /* Advance PC to next instruction in order to skip a permanent breakpoint. */ |
| 907 | |
| 908 | typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache); |
| 909 | extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache); |
| 910 | extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint); |
| 911 | |
| 912 | /* The maximum length of an instruction on this architecture in bytes. */ |
| 913 | |
| 914 | extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch); |
| 915 | |
| 916 | extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch); |
| 917 | extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length); |
| 918 | |
| 919 | /* Copy the instruction at FROM to TO, and make any adjustments |
| 920 | necessary to single-step it at that address. |
| 921 | |
| 922 | REGS holds the state the thread's registers will have before |
| 923 | executing the copied instruction; the PC in REGS will refer to FROM, |
| 924 | not the copy at TO. The caller should update it to point at TO later. |
| 925 | |
| 926 | Return a pointer to data of the architecture's choice to be passed |
| 927 | to gdbarch_displaced_step_fixup. Or, return NULL to indicate that |
| 928 | the instruction's effects have been completely simulated, with the |
| 929 | resulting state written back to REGS. |
| 930 | |
| 931 | For a general explanation of displaced stepping and how GDB uses it, |
| 932 | see the comments in infrun.c. |
| 933 | |
| 934 | The TO area is only guaranteed to have space for |
| 935 | gdbarch_max_insn_length (arch) bytes, so this function must not |
| 936 | write more bytes than that to that area. |
| 937 | |
| 938 | If you do not provide this function, GDB assumes that the |
| 939 | architecture does not support displaced stepping. |
| 940 | |
| 941 | If your architecture doesn't need to adjust instructions before |
| 942 | single-stepping them, consider using simple_displaced_step_copy_insn |
| 943 | here. |
| 944 | |
| 945 | If the instruction cannot execute out of line, return NULL. The |
| 946 | core falls back to stepping past the instruction in-line instead in |
| 947 | that case. */ |
| 948 | |
| 949 | extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch); |
| 950 | |
| 951 | typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 952 | extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 953 | extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn); |
| 954 | |
| 955 | /* Return true if GDB should use hardware single-stepping to execute |
| 956 | the displaced instruction identified by CLOSURE. If false, |
| 957 | GDB will simply restart execution at the displaced instruction |
| 958 | location, and it is up to the target to ensure GDB will receive |
| 959 | control again (e.g. by placing a software breakpoint instruction |
| 960 | into the displaced instruction buffer). |
| 961 | |
| 962 | The default implementation returns false on all targets that |
| 963 | provide a gdbarch_software_single_step routine, and true otherwise. */ |
| 964 | |
| 965 | typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 966 | extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 967 | extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep); |
| 968 | |
| 969 | /* Fix up the state resulting from successfully single-stepping a |
| 970 | displaced instruction, to give the result we would have gotten from |
| 971 | stepping the instruction in its original location. |
| 972 | |
| 973 | REGS is the register state resulting from single-stepping the |
| 974 | displaced instruction. |
| 975 | |
| 976 | CLOSURE is the result from the matching call to |
| 977 | gdbarch_displaced_step_copy_insn. |
| 978 | |
| 979 | If you provide gdbarch_displaced_step_copy_insn.but not this |
| 980 | function, then GDB assumes that no fixup is needed after |
| 981 | single-stepping the instruction. |
| 982 | |
| 983 | For a general explanation of displaced stepping and how GDB uses it, |
| 984 | see the comments in infrun.c. */ |
| 985 | |
| 986 | extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch); |
| 987 | |
| 988 | typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 989 | extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 990 | extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup); |
| 991 | |
| 992 | /* Free a closure returned by gdbarch_displaced_step_copy_insn. |
| 993 | |
| 994 | If you provide gdbarch_displaced_step_copy_insn, you must provide |
| 995 | this function as well. |
| 996 | |
| 997 | If your architecture uses closures that don't need to be freed, then |
| 998 | you can use simple_displaced_step_free_closure here. |
| 999 | |
| 1000 | For a general explanation of displaced stepping and how GDB uses it, |
| 1001 | see the comments in infrun.c. */ |
| 1002 | |
| 1003 | typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 1004 | extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 1005 | extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure); |
| 1006 | |
| 1007 | /* Return the address of an appropriate place to put displaced |
| 1008 | instructions while we step over them. There need only be one such |
| 1009 | place, since we're only stepping one thread over a breakpoint at a |
| 1010 | time. |
| 1011 | |
| 1012 | For a general explanation of displaced stepping and how GDB uses it, |
| 1013 | see the comments in infrun.c. */ |
| 1014 | |
| 1015 | typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch); |
| 1016 | extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch); |
| 1017 | extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location); |
| 1018 | |
| 1019 | /* Relocate an instruction to execute at a different address. OLDLOC |
| 1020 | is the address in the inferior memory where the instruction to |
| 1021 | relocate is currently at. On input, TO points to the destination |
| 1022 | where we want the instruction to be copied (and possibly adjusted) |
| 1023 | to. On output, it points to one past the end of the resulting |
| 1024 | instruction(s). The effect of executing the instruction at TO shall |
| 1025 | be the same as if executing it at FROM. For example, call |
| 1026 | instructions that implicitly push the return address on the stack |
| 1027 | should be adjusted to return to the instruction after OLDLOC; |
| 1028 | relative branches, and other PC-relative instructions need the |
| 1029 | offset adjusted; etc. */ |
| 1030 | |
| 1031 | extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); |
| 1032 | |
| 1033 | typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); |
| 1034 | extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); |
| 1035 | extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); |
| 1036 | |
| 1037 | /* Refresh overlay mapped state for section OSECT. */ |
| 1038 | |
| 1039 | extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); |
| 1040 | |
| 1041 | typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect); |
| 1042 | extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect); |
| 1043 | extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update); |
| 1044 | |
| 1045 | extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch); |
| 1046 | |
| 1047 | typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); |
| 1048 | extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); |
| 1049 | extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description); |
| 1050 | |
| 1051 | /* Handle special encoding of static variables in stabs debug info. */ |
| 1052 | |
| 1053 | extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch); |
| 1054 | |
| 1055 | typedef const char * (gdbarch_static_transform_name_ftype) (const char *name); |
| 1056 | extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name); |
| 1057 | extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name); |
| 1058 | |
| 1059 | /* Set if the address in N_SO or N_FUN stabs may be zero. */ |
| 1060 | |
| 1061 | extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch); |
| 1062 | extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing); |
| 1063 | |
| 1064 | /* Parse the instruction at ADDR storing in the record execution log |
| 1065 | the registers REGCACHE and memory ranges that will be affected when |
| 1066 | the instruction executes, along with their current values. |
| 1067 | Return -1 if something goes wrong, 0 otherwise. */ |
| 1068 | |
| 1069 | extern int gdbarch_process_record_p (struct gdbarch *gdbarch); |
| 1070 | |
| 1071 | typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| 1072 | extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| 1073 | extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record); |
| 1074 | |
| 1075 | /* Save process state after a signal. |
| 1076 | Return -1 if something goes wrong, 0 otherwise. */ |
| 1077 | |
| 1078 | extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch); |
| 1079 | |
| 1080 | typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
| 1081 | extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
| 1082 | extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal); |
| 1083 | |
| 1084 | /* Signal translation: translate inferior's signal (target's) number |
| 1085 | into GDB's representation. The implementation of this method must |
| 1086 | be host independent. IOW, don't rely on symbols of the NAT_FILE |
| 1087 | header (the nm-*.h files), the host <signal.h> header, or similar |
| 1088 | headers. This is mainly used when cross-debugging core files --- |
| 1089 | "Live" targets hide the translation behind the target interface |
| 1090 | (target_wait, target_resume, etc.). */ |
| 1091 | |
| 1092 | extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch); |
| 1093 | |
| 1094 | typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo); |
| 1095 | extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo); |
| 1096 | extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target); |
| 1097 | |
| 1098 | /* Signal translation: translate the GDB's internal signal number into |
| 1099 | the inferior's signal (target's) representation. The implementation |
| 1100 | of this method must be host independent. IOW, don't rely on symbols |
| 1101 | of the NAT_FILE header (the nm-*.h files), the host <signal.h> |
| 1102 | header, or similar headers. |
| 1103 | Return the target signal number if found, or -1 if the GDB internal |
| 1104 | signal number is invalid. */ |
| 1105 | |
| 1106 | extern int gdbarch_gdb_signal_to_target_p (struct gdbarch *gdbarch); |
| 1107 | |
| 1108 | typedef int (gdbarch_gdb_signal_to_target_ftype) (struct gdbarch *gdbarch, enum gdb_signal signal); |
| 1109 | extern int gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, enum gdb_signal signal); |
| 1110 | extern void set_gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_to_target_ftype *gdb_signal_to_target); |
| 1111 | |
| 1112 | /* Extra signal info inspection. |
| 1113 | |
| 1114 | Return a type suitable to inspect extra signal information. */ |
| 1115 | |
| 1116 | extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch); |
| 1117 | |
| 1118 | typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch); |
| 1119 | extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch); |
| 1120 | extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type); |
| 1121 | |
| 1122 | /* Record architecture-specific information from the symbol table. */ |
| 1123 | |
| 1124 | extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch); |
| 1125 | |
| 1126 | typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); |
| 1127 | extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); |
| 1128 | extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol); |
| 1129 | |
| 1130 | /* Function for the 'catch syscall' feature. |
| 1131 | Get architecture-specific system calls information from registers. */ |
| 1132 | |
| 1133 | extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch); |
| 1134 | |
| 1135 | typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid); |
| 1136 | extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid); |
| 1137 | extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number); |
| 1138 | |
| 1139 | /* The filename of the XML syscall for this architecture. */ |
| 1140 | |
| 1141 | extern const char * gdbarch_xml_syscall_file (struct gdbarch *gdbarch); |
| 1142 | extern void set_gdbarch_xml_syscall_file (struct gdbarch *gdbarch, const char * xml_syscall_file); |
| 1143 | |
| 1144 | /* Information about system calls from this architecture */ |
| 1145 | |
| 1146 | extern struct syscalls_info * gdbarch_syscalls_info (struct gdbarch *gdbarch); |
| 1147 | extern void set_gdbarch_syscalls_info (struct gdbarch *gdbarch, struct syscalls_info * syscalls_info); |
| 1148 | |
| 1149 | /* SystemTap related fields and functions. |
| 1150 | A NULL-terminated array of prefixes used to mark an integer constant |
| 1151 | on the architecture's assembly. |
| 1152 | For example, on x86 integer constants are written as: |
| 1153 | |
| 1154 | $10 ;; integer constant 10 |
| 1155 | |
| 1156 | in this case, this prefix would be the character `$'. */ |
| 1157 | |
| 1158 | extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch); |
| 1159 | extern void set_gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch, const char *const * stap_integer_prefixes); |
| 1160 | |
| 1161 | /* A NULL-terminated array of suffixes used to mark an integer constant |
| 1162 | on the architecture's assembly. */ |
| 1163 | |
| 1164 | extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch); |
| 1165 | extern void set_gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch, const char *const * stap_integer_suffixes); |
| 1166 | |
| 1167 | /* A NULL-terminated array of prefixes used to mark a register name on |
| 1168 | the architecture's assembly. |
| 1169 | For example, on x86 the register name is written as: |
| 1170 | |
| 1171 | %eax ;; register eax |
| 1172 | |
| 1173 | in this case, this prefix would be the character `%'. */ |
| 1174 | |
| 1175 | extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch *gdbarch); |
| 1176 | extern void set_gdbarch_stap_register_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_prefixes); |
| 1177 | |
| 1178 | /* A NULL-terminated array of suffixes used to mark a register name on |
| 1179 | the architecture's assembly. */ |
| 1180 | |
| 1181 | extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch *gdbarch); |
| 1182 | extern void set_gdbarch_stap_register_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_suffixes); |
| 1183 | |
| 1184 | /* A NULL-terminated array of prefixes used to mark a register |
| 1185 | indirection on the architecture's assembly. |
| 1186 | For example, on x86 the register indirection is written as: |
| 1187 | |
| 1188 | (%eax) ;; indirecting eax |
| 1189 | |
| 1190 | in this case, this prefix would be the charater `('. |
| 1191 | |
| 1192 | Please note that we use the indirection prefix also for register |
| 1193 | displacement, e.g., `4(%eax)' on x86. */ |
| 1194 | |
| 1195 | extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch); |
| 1196 | extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_prefixes); |
| 1197 | |
| 1198 | /* A NULL-terminated array of suffixes used to mark a register |
| 1199 | indirection on the architecture's assembly. |
| 1200 | For example, on x86 the register indirection is written as: |
| 1201 | |
| 1202 | (%eax) ;; indirecting eax |
| 1203 | |
| 1204 | in this case, this prefix would be the charater `)'. |
| 1205 | |
| 1206 | Please note that we use the indirection suffix also for register |
| 1207 | displacement, e.g., `4(%eax)' on x86. */ |
| 1208 | |
| 1209 | extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch); |
| 1210 | extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_suffixes); |
| 1211 | |
| 1212 | /* Prefix(es) used to name a register using GDB's nomenclature. |
| 1213 | |
| 1214 | For example, on PPC a register is represented by a number in the assembly |
| 1215 | language (e.g., `10' is the 10th general-purpose register). However, |
| 1216 | inside GDB this same register has an `r' appended to its name, so the 10th |
| 1217 | register would be represented as `r10' internally. */ |
| 1218 | |
| 1219 | extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch); |
| 1220 | extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix); |
| 1221 | |
| 1222 | /* Suffix used to name a register using GDB's nomenclature. */ |
| 1223 | |
| 1224 | extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch); |
| 1225 | extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix); |
| 1226 | |
| 1227 | /* Check if S is a single operand. |
| 1228 | |
| 1229 | Single operands can be: |
| 1230 | - Literal integers, e.g. `$10' on x86 |
| 1231 | - Register access, e.g. `%eax' on x86 |
| 1232 | - Register indirection, e.g. `(%eax)' on x86 |
| 1233 | - Register displacement, e.g. `4(%eax)' on x86 |
| 1234 | |
| 1235 | This function should check for these patterns on the string |
| 1236 | and return 1 if some were found, or zero otherwise. Please try to match |
| 1237 | as much info as you can from the string, i.e., if you have to match |
| 1238 | something like `(%', do not match just the `('. */ |
| 1239 | |
| 1240 | extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch); |
| 1241 | |
| 1242 | typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s); |
| 1243 | extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s); |
| 1244 | extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand); |
| 1245 | |
| 1246 | /* Function used to handle a "special case" in the parser. |
| 1247 | |
| 1248 | A "special case" is considered to be an unknown token, i.e., a token |
| 1249 | that the parser does not know how to parse. A good example of special |
| 1250 | case would be ARM's register displacement syntax: |
| 1251 | |
| 1252 | [R0, #4] ;; displacing R0 by 4 |
| 1253 | |
| 1254 | Since the parser assumes that a register displacement is of the form: |
| 1255 | |
| 1256 | <number> <indirection_prefix> <register_name> <indirection_suffix> |
| 1257 | |
| 1258 | it means that it will not be able to recognize and parse this odd syntax. |
| 1259 | Therefore, we should add a special case function that will handle this token. |
| 1260 | |
| 1261 | This function should generate the proper expression form of the expression |
| 1262 | using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode' |
| 1263 | and so on). It should also return 1 if the parsing was successful, or zero |
| 1264 | if the token was not recognized as a special token (in this case, returning |
| 1265 | zero means that the special parser is deferring the parsing to the generic |
| 1266 | parser), and should advance the buffer pointer (p->arg). */ |
| 1267 | |
| 1268 | extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch); |
| 1269 | |
| 1270 | typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p); |
| 1271 | extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p); |
| 1272 | extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token); |
| 1273 | |
| 1274 | /* DTrace related functions. |
| 1275 | The expression to compute the NARTGth+1 argument to a DTrace USDT probe. |
| 1276 | NARG must be >= 0. */ |
| 1277 | |
| 1278 | extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch); |
| 1279 | |
| 1280 | typedef void (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); |
| 1281 | extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); |
| 1282 | extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument); |
| 1283 | |
| 1284 | /* True if the given ADDR does not contain the instruction sequence |
| 1285 | corresponding to a disabled DTrace is-enabled probe. */ |
| 1286 | |
| 1287 | extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch *gdbarch); |
| 1288 | |
| 1289 | typedef int (gdbarch_dtrace_probe_is_enabled_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1290 | extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1291 | extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled); |
| 1292 | |
| 1293 | /* Enable a DTrace is-enabled probe at ADDR. */ |
| 1294 | |
| 1295 | extern int gdbarch_dtrace_enable_probe_p (struct gdbarch *gdbarch); |
| 1296 | |
| 1297 | typedef void (gdbarch_dtrace_enable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1298 | extern void gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1299 | extern void set_gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe); |
| 1300 | |
| 1301 | /* Disable a DTrace is-enabled probe at ADDR. */ |
| 1302 | |
| 1303 | extern int gdbarch_dtrace_disable_probe_p (struct gdbarch *gdbarch); |
| 1304 | |
| 1305 | typedef void (gdbarch_dtrace_disable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1306 | extern void gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1307 | extern void set_gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_disable_probe_ftype *dtrace_disable_probe); |
| 1308 | |
| 1309 | /* True if the list of shared libraries is one and only for all |
| 1310 | processes, as opposed to a list of shared libraries per inferior. |
| 1311 | This usually means that all processes, although may or may not share |
| 1312 | an address space, will see the same set of symbols at the same |
| 1313 | addresses. */ |
| 1314 | |
| 1315 | extern int gdbarch_has_global_solist (struct gdbarch *gdbarch); |
| 1316 | extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist); |
| 1317 | |
| 1318 | /* On some targets, even though each inferior has its own private |
| 1319 | address space, the debug interface takes care of making breakpoints |
| 1320 | visible to all address spaces automatically. For such cases, |
| 1321 | this property should be set to true. */ |
| 1322 | |
| 1323 | extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch); |
| 1324 | extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints); |
| 1325 | |
| 1326 | /* True if inferiors share an address space (e.g., uClinux). */ |
| 1327 | |
| 1328 | typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch); |
| 1329 | extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch); |
| 1330 | extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space); |
| 1331 | |
| 1332 | /* True if a fast tracepoint can be set at an address. */ |
| 1333 | |
| 1334 | typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); |
| 1335 | extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); |
| 1336 | extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); |
| 1337 | |
| 1338 | /* Guess register state based on tracepoint location. Used for tracepoints |
| 1339 | where no registers have been collected, but there's only one location, |
| 1340 | allowing us to guess the PC value, and perhaps some other registers. |
| 1341 | On entry, regcache has all registers marked as unavailable. */ |
| 1342 | |
| 1343 | typedef void (gdbarch_guess_tracepoint_registers_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| 1344 | extern void gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| 1345 | extern void set_gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, gdbarch_guess_tracepoint_registers_ftype *guess_tracepoint_registers); |
| 1346 | |
| 1347 | /* Return the "auto" target charset. */ |
| 1348 | |
| 1349 | typedef const char * (gdbarch_auto_charset_ftype) (void); |
| 1350 | extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch); |
| 1351 | extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset); |
| 1352 | |
| 1353 | /* Return the "auto" target wide charset. */ |
| 1354 | |
| 1355 | typedef const char * (gdbarch_auto_wide_charset_ftype) (void); |
| 1356 | extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch); |
| 1357 | extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset); |
| 1358 | |
| 1359 | /* If non-empty, this is a file extension that will be opened in place |
| 1360 | of the file extension reported by the shared library list. |
| 1361 | |
| 1362 | This is most useful for toolchains that use a post-linker tool, |
| 1363 | where the names of the files run on the target differ in extension |
| 1364 | compared to the names of the files GDB should load for debug info. */ |
| 1365 | |
| 1366 | extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch); |
| 1367 | extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension); |
| 1368 | |
| 1369 | /* If true, the target OS has DOS-based file system semantics. That |
| 1370 | is, absolute paths include a drive name, and the backslash is |
| 1371 | considered a directory separator. */ |
| 1372 | |
| 1373 | extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); |
| 1374 | extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); |
| 1375 | |
| 1376 | /* Generate bytecodes to collect the return address in a frame. |
| 1377 | Since the bytecodes run on the target, possibly with GDB not even |
| 1378 | connected, the full unwinding machinery is not available, and |
| 1379 | typically this function will issue bytecodes for one or more likely |
| 1380 | places that the return address may be found. */ |
| 1381 | |
| 1382 | typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); |
| 1383 | extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); |
| 1384 | extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); |
| 1385 | |
| 1386 | /* Implement the "info proc" command. */ |
| 1387 | |
| 1388 | extern int gdbarch_info_proc_p (struct gdbarch *gdbarch); |
| 1389 | |
| 1390 | typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| 1391 | extern void gdbarch_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| 1392 | extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc); |
| 1393 | |
| 1394 | /* Implement the "info proc" command for core files. Noe that there |
| 1395 | are two "info_proc"-like methods on gdbarch -- one for core files, |
| 1396 | one for live targets. */ |
| 1397 | |
| 1398 | extern int gdbarch_core_info_proc_p (struct gdbarch *gdbarch); |
| 1399 | |
| 1400 | typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| 1401 | extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| 1402 | extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc); |
| 1403 | |
| 1404 | /* Iterate over all objfiles in the order that makes the most sense |
| 1405 | for the architecture to make global symbol searches. |
| 1406 | |
| 1407 | CB is a callback function where OBJFILE is the objfile to be searched, |
| 1408 | and CB_DATA a pointer to user-defined data (the same data that is passed |
| 1409 | when calling this gdbarch method). The iteration stops if this function |
| 1410 | returns nonzero. |
| 1411 | |
| 1412 | CB_DATA is a pointer to some user-defined data to be passed to |
| 1413 | the callback. |
| 1414 | |
| 1415 | If not NULL, CURRENT_OBJFILE corresponds to the objfile being |
| 1416 | inspected when the symbol search was requested. */ |
| 1417 | |
| 1418 | 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); |
| 1419 | 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); |
| 1420 | 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); |
| 1421 | |
| 1422 | /* Ravenscar arch-dependent ops. */ |
| 1423 | |
| 1424 | extern struct ravenscar_arch_ops * gdbarch_ravenscar_ops (struct gdbarch *gdbarch); |
| 1425 | extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops); |
| 1426 | |
| 1427 | /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */ |
| 1428 | |
| 1429 | typedef int (gdbarch_insn_is_call_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1430 | extern int gdbarch_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1431 | extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call); |
| 1432 | |
| 1433 | /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */ |
| 1434 | |
| 1435 | typedef int (gdbarch_insn_is_ret_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1436 | extern int gdbarch_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1437 | extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret); |
| 1438 | |
| 1439 | /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */ |
| 1440 | |
| 1441 | typedef int (gdbarch_insn_is_jump_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1442 | extern int gdbarch_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 1443 | extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump); |
| 1444 | |
| 1445 | /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR. |
| 1446 | Return 0 if *READPTR is already at the end of the buffer. |
| 1447 | Return -1 if there is insufficient buffer for a whole entry. |
| 1448 | Return 1 if an entry was read into *TYPEP and *VALP. */ |
| 1449 | |
| 1450 | extern int gdbarch_auxv_parse_p (struct gdbarch *gdbarch); |
| 1451 | |
| 1452 | typedef int (gdbarch_auxv_parse_ftype) (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); |
| 1453 | extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); |
| 1454 | extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse); |
| 1455 | |
| 1456 | /* Find the address range of the current inferior's vsyscall/vDSO, and |
| 1457 | write it to *RANGE. If the vsyscall's length can't be determined, a |
| 1458 | range with zero length is returned. Returns true if the vsyscall is |
| 1459 | found, false otherwise. */ |
| 1460 | |
| 1461 | typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_range *range); |
| 1462 | extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range); |
| 1463 | extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range); |
| 1464 | |
| 1465 | /* Allocate SIZE bytes of PROT protected page aligned memory in inferior. |
| 1466 | PROT has GDB_MMAP_PROT_* bitmask format. |
| 1467 | Throw an error if it is not possible. Returned address is always valid. */ |
| 1468 | |
| 1469 | typedef CORE_ADDR (gdbarch_infcall_mmap_ftype) (CORE_ADDR size, unsigned prot); |
| 1470 | extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot); |
| 1471 | extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap); |
| 1472 | |
| 1473 | /* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap. |
| 1474 | Print a warning if it is not possible. */ |
| 1475 | |
| 1476 | typedef void (gdbarch_infcall_munmap_ftype) (CORE_ADDR addr, CORE_ADDR size); |
| 1477 | extern void gdbarch_infcall_munmap (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR size); |
| 1478 | extern void set_gdbarch_infcall_munmap (struct gdbarch *gdbarch, gdbarch_infcall_munmap_ftype *infcall_munmap); |
| 1479 | |
| 1480 | /* Return string (caller has to use xfree for it) with options for GCC |
| 1481 | to produce code for this target, typically "-m64", "-m32" or "-m31". |
| 1482 | These options are put before CU's DW_AT_producer compilation options so that |
| 1483 | they can override it. Method may also return NULL. */ |
| 1484 | |
| 1485 | typedef char * (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch); |
| 1486 | extern char * gdbarch_gcc_target_options (struct gdbarch *gdbarch); |
| 1487 | extern void set_gdbarch_gcc_target_options (struct gdbarch *gdbarch, gdbarch_gcc_target_options_ftype *gcc_target_options); |
| 1488 | |
| 1489 | /* Return a regular expression that matches names used by this |
| 1490 | architecture in GNU configury triplets. The result is statically |
| 1491 | allocated and must not be freed. The default implementation simply |
| 1492 | returns the BFD architecture name, which is correct in nearly every |
| 1493 | case. */ |
| 1494 | |
| 1495 | typedef const char * (gdbarch_gnu_triplet_regexp_ftype) (struct gdbarch *gdbarch); |
| 1496 | extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch); |
| 1497 | extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp); |
| 1498 | |
| 1499 | /* Return the size in 8-bit bytes of an addressable memory unit on this |
| 1500 | architecture. This corresponds to the number of 8-bit bytes associated to |
| 1501 | each address in memory. */ |
| 1502 | |
| 1503 | typedef int (gdbarch_addressable_memory_unit_size_ftype) (struct gdbarch *gdbarch); |
| 1504 | extern int gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch); |
| 1505 | extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size); |
| 1506 | |
| 1507 | /* Definition for an unknown syscall, used basically in error-cases. */ |
| 1508 | #define UNKNOWN_SYSCALL (-1) |
| 1509 | |
| 1510 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
| 1511 | |
| 1512 | |
| 1513 | /* Mechanism for co-ordinating the selection of a specific |
| 1514 | architecture. |
| 1515 | |
| 1516 | GDB targets (*-tdep.c) can register an interest in a specific |
| 1517 | architecture. Other GDB components can register a need to maintain |
| 1518 | per-architecture data. |
| 1519 | |
| 1520 | The mechanisms below ensures that there is only a loose connection |
| 1521 | between the set-architecture command and the various GDB |
| 1522 | components. Each component can independently register their need |
| 1523 | to maintain architecture specific data with gdbarch. |
| 1524 | |
| 1525 | Pragmatics: |
| 1526 | |
| 1527 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It |
| 1528 | didn't scale. |
| 1529 | |
| 1530 | The more traditional mega-struct containing architecture specific |
| 1531 | data for all the various GDB components was also considered. Since |
| 1532 | GDB is built from a variable number of (fairly independent) |
| 1533 | components it was determined that the global aproach was not |
| 1534 | applicable. */ |
| 1535 | |
| 1536 | |
| 1537 | /* Register a new architectural family with GDB. |
| 1538 | |
| 1539 | Register support for the specified ARCHITECTURE with GDB. When |
| 1540 | gdbarch determines that the specified architecture has been |
| 1541 | selected, the corresponding INIT function is called. |
| 1542 | |
| 1543 | -- |
| 1544 | |
| 1545 | The INIT function takes two parameters: INFO which contains the |
| 1546 | information available to gdbarch about the (possibly new) |
| 1547 | architecture; ARCHES which is a list of the previously created |
| 1548 | ``struct gdbarch'' for this architecture. |
| 1549 | |
| 1550 | The INFO parameter is, as far as possible, be pre-initialized with |
| 1551 | information obtained from INFO.ABFD or the global defaults. |
| 1552 | |
| 1553 | The ARCHES parameter is a linked list (sorted most recently used) |
| 1554 | of all the previously created architures for this architecture |
| 1555 | family. The (possibly NULL) ARCHES->gdbarch can used to access |
| 1556 | values from the previously selected architecture for this |
| 1557 | architecture family. |
| 1558 | |
| 1559 | The INIT function shall return any of: NULL - indicating that it |
| 1560 | doesn't recognize the selected architecture; an existing ``struct |
| 1561 | gdbarch'' from the ARCHES list - indicating that the new |
| 1562 | architecture is just a synonym for an earlier architecture (see |
| 1563 | gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch'' |
| 1564 | - that describes the selected architecture (see gdbarch_alloc()). |
| 1565 | |
| 1566 | The DUMP_TDEP function shall print out all target specific values. |
| 1567 | Care should be taken to ensure that the function works in both the |
| 1568 | multi-arch and non- multi-arch cases. */ |
| 1569 | |
| 1570 | struct gdbarch_list |
| 1571 | { |
| 1572 | struct gdbarch *gdbarch; |
| 1573 | struct gdbarch_list *next; |
| 1574 | }; |
| 1575 | |
| 1576 | struct gdbarch_info |
| 1577 | { |
| 1578 | /* Use default: NULL (ZERO). */ |
| 1579 | const struct bfd_arch_info *bfd_arch_info; |
| 1580 | |
| 1581 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
| 1582 | enum bfd_endian byte_order; |
| 1583 | |
| 1584 | enum bfd_endian byte_order_for_code; |
| 1585 | |
| 1586 | /* Use default: NULL (ZERO). */ |
| 1587 | bfd *abfd; |
| 1588 | |
| 1589 | /* Use default: NULL (ZERO). */ |
| 1590 | void *tdep_info; |
| 1591 | |
| 1592 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ |
| 1593 | enum gdb_osabi osabi; |
| 1594 | |
| 1595 | /* Use default: NULL (ZERO). */ |
| 1596 | const struct target_desc *target_desc; |
| 1597 | }; |
| 1598 | |
| 1599 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
| 1600 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
| 1601 | |
| 1602 | /* DEPRECATED - use gdbarch_register() */ |
| 1603 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
| 1604 | |
| 1605 | extern void gdbarch_register (enum bfd_architecture architecture, |
| 1606 | gdbarch_init_ftype *, |
| 1607 | gdbarch_dump_tdep_ftype *); |
| 1608 | |
| 1609 | |
| 1610 | /* Return a freshly allocated, NULL terminated, array of the valid |
| 1611 | architecture names. Since architectures are registered during the |
| 1612 | _initialize phase this function only returns useful information |
| 1613 | once initialization has been completed. */ |
| 1614 | |
| 1615 | extern const char **gdbarch_printable_names (void); |
| 1616 | |
| 1617 | |
| 1618 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
| 1619 | matches the information provided by INFO. */ |
| 1620 | |
| 1621 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
| 1622 | |
| 1623 | |
| 1624 | /* Helper function. Create a preliminary ``struct gdbarch''. Perform |
| 1625 | basic initialization using values obtained from the INFO and TDEP |
| 1626 | parameters. set_gdbarch_*() functions are called to complete the |
| 1627 | initialization of the object. */ |
| 1628 | |
| 1629 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
| 1630 | |
| 1631 | |
| 1632 | /* Helper function. Free a partially-constructed ``struct gdbarch''. |
| 1633 | It is assumed that the caller freeds the ``struct |
| 1634 | gdbarch_tdep''. */ |
| 1635 | |
| 1636 | extern void gdbarch_free (struct gdbarch *); |
| 1637 | |
| 1638 | |
| 1639 | /* Helper function. Allocate memory from the ``struct gdbarch'' |
| 1640 | obstack. The memory is freed when the corresponding architecture |
| 1641 | is also freed. */ |
| 1642 | |
| 1643 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); |
| 1644 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) |
| 1645 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) |
| 1646 | |
| 1647 | /* Duplicate STRING, returning an equivalent string that's allocated on the |
| 1648 | obstack associated with GDBARCH. The string is freed when the corresponding |
| 1649 | architecture is also freed. */ |
| 1650 | |
| 1651 | extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string); |
| 1652 | |
| 1653 | /* Helper function. Force an update of the current architecture. |
| 1654 | |
| 1655 | The actual architecture selected is determined by INFO, ``(gdb) set |
| 1656 | architecture'' et.al., the existing architecture and BFD's default |
| 1657 | architecture. INFO should be initialized to zero and then selected |
| 1658 | fields should be updated. |
| 1659 | |
| 1660 | Returns non-zero if the update succeeds. */ |
| 1661 | |
| 1662 | extern int gdbarch_update_p (struct gdbarch_info info); |
| 1663 | |
| 1664 | |
| 1665 | /* Helper function. Find an architecture matching info. |
| 1666 | |
| 1667 | INFO should be initialized using gdbarch_info_init, relevant fields |
| 1668 | set, and then finished using gdbarch_info_fill. |
| 1669 | |
| 1670 | Returns the corresponding architecture, or NULL if no matching |
| 1671 | architecture was found. */ |
| 1672 | |
| 1673 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); |
| 1674 | |
| 1675 | |
| 1676 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
| 1677 | |
| 1678 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
| 1679 | |
| 1680 | |
| 1681 | /* Register per-architecture data-pointer. |
| 1682 | |
| 1683 | Reserve space for a per-architecture data-pointer. An identifier |
| 1684 | for the reserved data-pointer is returned. That identifer should |
| 1685 | be saved in a local static variable. |
| 1686 | |
| 1687 | Memory for the per-architecture data shall be allocated using |
| 1688 | gdbarch_obstack_zalloc. That memory will be deleted when the |
| 1689 | corresponding architecture object is deleted. |
| 1690 | |
| 1691 | When a previously created architecture is re-selected, the |
| 1692 | per-architecture data-pointer for that previous architecture is |
| 1693 | restored. INIT() is not re-called. |
| 1694 | |
| 1695 | Multiple registrarants for any architecture are allowed (and |
| 1696 | strongly encouraged). */ |
| 1697 | |
| 1698 | struct gdbarch_data; |
| 1699 | |
| 1700 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
| 1701 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); |
| 1702 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); |
| 1703 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); |
| 1704 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
| 1705 | struct gdbarch_data *data, |
| 1706 | void *pointer); |
| 1707 | |
| 1708 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
| 1709 | |
| 1710 | |
| 1711 | /* Set the dynamic target-system-dependent parameters (architecture, |
| 1712 | byte-order, ...) using information found in the BFD. */ |
| 1713 | |
| 1714 | extern void set_gdbarch_from_file (bfd *); |
| 1715 | |
| 1716 | |
| 1717 | /* Initialize the current architecture to the "first" one we find on |
| 1718 | our list. */ |
| 1719 | |
| 1720 | extern void initialize_current_architecture (void); |
| 1721 | |
| 1722 | /* gdbarch trace variable */ |
| 1723 | extern unsigned int gdbarch_debug; |
| 1724 | |
| 1725 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
| 1726 | |
| 1727 | #endif |