| 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, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
| 7 | 2007, 2008, 2009 Free Software Foundation, Inc. |
| 8 | |
| 9 | This file is part of GDB. |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 3 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 23 | |
| 24 | /* This file was created with the aid of ``gdbarch.sh''. |
| 25 | |
| 26 | The Bourne shell script ``gdbarch.sh'' creates the files |
| 27 | ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them |
| 28 | against the existing ``gdbarch.[hc]''. Any differences found |
| 29 | being reported. |
| 30 | |
| 31 | If editing this file, please also run gdbarch.sh and merge any |
| 32 | changes into that script. Conversely, when making sweeping changes |
| 33 | to this file, modifying gdbarch.sh and using its output may prove |
| 34 | easier. */ |
| 35 | |
| 36 | #ifndef GDBARCH_H |
| 37 | #define GDBARCH_H |
| 38 | |
| 39 | struct floatformat; |
| 40 | struct ui_file; |
| 41 | struct frame_info; |
| 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 displaced_step_closure; |
| 55 | struct core_regset_section; |
| 56 | struct syscall; |
| 57 | struct agent_expr; |
| 58 | struct axs_value; |
| 59 | struct stap_parse_info; |
| 60 | |
| 61 | /* The architecture associated with the inferior through the |
| 62 | connection to the target. |
| 63 | |
| 64 | The architecture vector provides some information that is really a |
| 65 | property of the inferior, accessed through a particular target: |
| 66 | ptrace operations; the layout of certain RSP packets; the solib_ops |
| 67 | vector; etc. To differentiate architecture accesses to |
| 68 | per-inferior/target properties from |
| 69 | per-thread/per-frame/per-objfile properties, accesses to |
| 70 | per-inferior/target properties should be made through this |
| 71 | gdbarch. */ |
| 72 | |
| 73 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ |
| 74 | extern struct gdbarch *target_gdbarch (void); |
| 75 | |
| 76 | /* The initial, default architecture. It uses host values (for want of a better |
| 77 | choice). */ |
| 78 | extern struct gdbarch startup_gdbarch; |
| 79 | |
| 80 | |
| 81 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
| 82 | gdbarch method. */ |
| 83 | |
| 84 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) |
| 85 | (struct objfile *objfile, void *cb_data); |
| 86 | |
| 87 | |
| 88 | /* The following are pre-initialized by GDBARCH. */ |
| 89 | |
| 90 | extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch); |
| 91 | /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */ |
| 92 | |
| 93 | extern int gdbarch_byte_order (struct gdbarch *gdbarch); |
| 94 | /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
| 95 | |
| 96 | extern int gdbarch_byte_order_for_code (struct gdbarch *gdbarch); |
| 97 | /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */ |
| 98 | |
| 99 | extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch); |
| 100 | /* set_gdbarch_osabi() - not applicable - pre-initialized. */ |
| 101 | |
| 102 | extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch); |
| 103 | /* set_gdbarch_target_desc() - not applicable - pre-initialized. */ |
| 104 | |
| 105 | |
| 106 | /* The following are initialized by the target dependent code. */ |
| 107 | |
| 108 | /* The bit byte-order has to do just with numbering of bits in debugging symbols |
| 109 | and such. Conceptually, it's quite separate from byte/word byte order. */ |
| 110 | |
| 111 | extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch); |
| 112 | extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian); |
| 113 | |
| 114 | /* Number of bits in a char or unsigned char for the target machine. |
| 115 | Just like CHAR_BIT in <limits.h> but describes the target machine. |
| 116 | v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
| 117 | |
| 118 | Number of bits in a short or unsigned short for the target machine. */ |
| 119 | |
| 120 | extern int gdbarch_short_bit (struct gdbarch *gdbarch); |
| 121 | extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit); |
| 122 | |
| 123 | /* Number of bits in an int or unsigned int for the target machine. */ |
| 124 | |
| 125 | extern int gdbarch_int_bit (struct gdbarch *gdbarch); |
| 126 | extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); |
| 127 | |
| 128 | /* Number of bits in a long or unsigned long for the target machine. */ |
| 129 | |
| 130 | extern int gdbarch_long_bit (struct gdbarch *gdbarch); |
| 131 | extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); |
| 132 | |
| 133 | /* Number of bits in a long long or unsigned long long for the target |
| 134 | machine. */ |
| 135 | |
| 136 | extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); |
| 137 | extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); |
| 138 | |
| 139 | /* Alignment of a long long or unsigned long long for the target |
| 140 | machine. */ |
| 141 | |
| 142 | extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); |
| 143 | extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); |
| 144 | |
| 145 | /* The ABI default bit-size and format for "half", "float", "double", and |
| 146 | "long double". These bit/format pairs should eventually be combined |
| 147 | into a single object. For the moment, just initialize them as a pair. |
| 148 | Each format describes both the big and little endian layouts (if |
| 149 | useful). */ |
| 150 | |
| 151 | extern int gdbarch_half_bit (struct gdbarch *gdbarch); |
| 152 | extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit); |
| 153 | |
| 154 | extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch); |
| 155 | extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format); |
| 156 | |
| 157 | extern int gdbarch_float_bit (struct gdbarch *gdbarch); |
| 158 | extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit); |
| 159 | |
| 160 | extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch); |
| 161 | extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format); |
| 162 | |
| 163 | extern int gdbarch_double_bit (struct gdbarch *gdbarch); |
| 164 | extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit); |
| 165 | |
| 166 | extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch); |
| 167 | extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format); |
| 168 | |
| 169 | extern int gdbarch_long_double_bit (struct gdbarch *gdbarch); |
| 170 | extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit); |
| 171 | |
| 172 | extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch); |
| 173 | extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format); |
| 174 | |
| 175 | /* For most targets, a pointer on the target and its representation as an |
| 176 | address in GDB have the same size and "look the same". For such a |
| 177 | target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
| 178 | / addr_bit will be set from it. |
| 179 | |
| 180 | If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
| 181 | also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
| 182 | gdbarch_address_to_pointer as well. |
| 183 | |
| 184 | ptr_bit is the size of a pointer on the target */ |
| 185 | |
| 186 | extern int gdbarch_ptr_bit (struct gdbarch *gdbarch); |
| 187 | extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit); |
| 188 | |
| 189 | /* addr_bit is the size of a target address as represented in gdb */ |
| 190 | |
| 191 | extern int gdbarch_addr_bit (struct gdbarch *gdbarch); |
| 192 | extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit); |
| 193 | |
| 194 | /* dwarf2_addr_size is the target address size as used in the Dwarf debug |
| 195 | info. For .debug_frame FDEs, this is supposed to be the target address |
| 196 | size from the associated CU header, and which is equivalent to the |
| 197 | DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. |
| 198 | Unfortunately there is no good way to determine this value. Therefore |
| 199 | dwarf2_addr_size simply defaults to the target pointer size. |
| 200 | |
| 201 | dwarf2_addr_size is not used for .eh_frame FDEs, which are generally |
| 202 | defined using the target's pointer size so far. |
| 203 | |
| 204 | Note that dwarf2_addr_size only needs to be redefined by a target if the |
| 205 | GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, |
| 206 | and if Dwarf versions < 4 need to be supported. */ |
| 207 | |
| 208 | extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch); |
| 209 | extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size); |
| 210 | |
| 211 | /* One if `char' acts like `signed char', zero if `unsigned char'. */ |
| 212 | |
| 213 | extern int gdbarch_char_signed (struct gdbarch *gdbarch); |
| 214 | extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed); |
| 215 | |
| 216 | extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); |
| 217 | |
| 218 | typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache); |
| 219 | extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache); |
| 220 | extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc); |
| 221 | |
| 222 | extern int gdbarch_write_pc_p (struct gdbarch *gdbarch); |
| 223 | |
| 224 | typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val); |
| 225 | extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val); |
| 226 | extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc); |
| 227 | |
| 228 | /* Function for getting target's idea of a frame pointer. FIXME: GDB's |
| 229 | whole scheme for dealing with "frames" and "frame pointers" needs a |
| 230 | serious shakedown. */ |
| 231 | |
| 232 | typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
| 233 | extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset); |
| 234 | extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer); |
| 235 | |
| 236 | extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); |
| 237 | |
| 238 | typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
| 239 | extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
| 240 | extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); |
| 241 | |
| 242 | /* Read a register into a new struct value. If the register is wholly |
| 243 | or partly unavailable, this should call mark_value_bytes_unavailable |
| 244 | as appropriate. If this is defined, then pseudo_register_read will |
| 245 | never be called. */ |
| 246 | |
| 247 | extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); |
| 248 | |
| 249 | typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); |
| 250 | extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); |
| 251 | extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); |
| 252 | |
| 253 | extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); |
| 254 | |
| 255 | typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
| 256 | extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
| 257 | extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write); |
| 258 | |
| 259 | extern int gdbarch_num_regs (struct gdbarch *gdbarch); |
| 260 | extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs); |
| 261 | |
| 262 | /* This macro gives the number of pseudo-registers that live in the |
| 263 | register namespace but do not get fetched or stored on the target. |
| 264 | These pseudo-registers may be aliases for other registers, |
| 265 | combinations of other registers, or they may be computed by GDB. */ |
| 266 | |
| 267 | extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch); |
| 268 | extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs); |
| 269 | |
| 270 | /* Assemble agent expression bytecode to collect pseudo-register REG. |
| 271 | Return -1 if something goes wrong, 0 otherwise. */ |
| 272 | |
| 273 | extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch); |
| 274 | |
| 275 | typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 276 | extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 277 | extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect); |
| 278 | |
| 279 | /* Assemble agent expression bytecode to push the value of pseudo-register |
| 280 | REG on the interpreter stack. |
| 281 | Return -1 if something goes wrong, 0 otherwise. */ |
| 282 | |
| 283 | extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch); |
| 284 | |
| 285 | typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 286 | extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| 287 | extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack); |
| 288 | |
| 289 | /* GDB's standard (or well known) register numbers. These can map onto |
| 290 | a real register or a pseudo (computed) register or not be defined at |
| 291 | all (-1). |
| 292 | gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */ |
| 293 | |
| 294 | extern int gdbarch_sp_regnum (struct gdbarch *gdbarch); |
| 295 | extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum); |
| 296 | |
| 297 | extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); |
| 298 | extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); |
| 299 | |
| 300 | extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); |
| 301 | extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); |
| 302 | |
| 303 | extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch); |
| 304 | extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum); |
| 305 | |
| 306 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ |
| 307 | |
| 308 | typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr); |
| 309 | extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr); |
| 310 | extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum); |
| 311 | |
| 312 | /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */ |
| 313 | |
| 314 | typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr); |
| 315 | extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr); |
| 316 | extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum); |
| 317 | |
| 318 | /* Convert from an sdb register number to an internal gdb register number. */ |
| 319 | |
| 320 | typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr); |
| 321 | extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr); |
| 322 | extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum); |
| 323 | |
| 324 | /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */ |
| 325 | |
| 326 | typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr); |
| 327 | extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr); |
| 328 | extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum); |
| 329 | |
| 330 | typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr); |
| 331 | extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr); |
| 332 | extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name); |
| 333 | |
| 334 | /* Return the type of a register specified by the architecture. Only |
| 335 | the register cache should call this function directly; others should |
| 336 | use "register_type". */ |
| 337 | |
| 338 | extern int gdbarch_register_type_p (struct gdbarch *gdbarch); |
| 339 | |
| 340 | typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr); |
| 341 | extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr); |
| 342 | extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type); |
| 343 | |
| 344 | /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */ |
| 345 | |
| 346 | extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch); |
| 347 | |
| 348 | typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame); |
| 349 | extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame); |
| 350 | extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id); |
| 351 | |
| 352 | /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete |
| 353 | deprecated_fp_regnum. */ |
| 354 | |
| 355 | extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch); |
| 356 | extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum); |
| 357 | |
| 358 | /* See gdbint.texinfo. See infcall.c. */ |
| 359 | |
| 360 | extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch); |
| 361 | |
| 362 | 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); |
| 363 | 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); |
| 364 | extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call); |
| 365 | |
| 366 | extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch); |
| 367 | extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location); |
| 368 | |
| 369 | extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch); |
| 370 | |
| 371 | 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); |
| 372 | 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); |
| 373 | extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code); |
| 374 | |
| 375 | typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
| 376 | extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
| 377 | extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info); |
| 378 | |
| 379 | extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch); |
| 380 | |
| 381 | typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 382 | extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 383 | extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info); |
| 384 | |
| 385 | extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch); |
| 386 | |
| 387 | typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 388 | extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| 389 | extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info); |
| 390 | |
| 391 | /* MAP a GDB RAW register number onto a simulator register number. See |
| 392 | also include/...-sim.h. */ |
| 393 | |
| 394 | typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr); |
| 395 | extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr); |
| 396 | extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno); |
| 397 | |
| 398 | typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum); |
| 399 | extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum); |
| 400 | extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register); |
| 401 | |
| 402 | typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum); |
| 403 | extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum); |
| 404 | extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register); |
| 405 | |
| 406 | /* setjmp/longjmp support. */ |
| 407 | |
| 408 | extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch); |
| 409 | |
| 410 | typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc); |
| 411 | extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc); |
| 412 | extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target); |
| 413 | |
| 414 | extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch); |
| 415 | extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion); |
| 416 | |
| 417 | typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type); |
| 418 | extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type); |
| 419 | extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p); |
| 420 | |
| 421 | typedef int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
| 422 | 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); |
| 423 | extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value); |
| 424 | |
| 425 | typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
| 426 | extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
| 427 | extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register); |
| 428 | |
| 429 | /* Construct a value representing the contents of register REGNUM in |
| 430 | frame FRAME, interpreted as type TYPE. The routine needs to |
| 431 | allocate and return a struct value with all value attributes |
| 432 | (but not the value contents) filled in. */ |
| 433 | |
| 434 | typedef struct value * (gdbarch_value_from_register_ftype) (struct type *type, int regnum, struct frame_info *frame); |
| 435 | extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame); |
| 436 | extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register); |
| 437 | |
| 438 | typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 439 | extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 440 | extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address); |
| 441 | |
| 442 | typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
| 443 | extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
| 444 | extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer); |
| 445 | |
| 446 | extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch); |
| 447 | |
| 448 | typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 449 | extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 450 | extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address); |
| 451 | |
| 452 | /* Return the return-value convention that will be used by FUNCTION |
| 453 | to return a value of type VALTYPE. FUNCTION may be NULL in which |
| 454 | case the return convention is computed based only on VALTYPE. |
| 455 | |
| 456 | If READBUF is not NULL, extract the return value and save it in this buffer. |
| 457 | |
| 458 | If WRITEBUF is not NULL, it contains a return value which will be |
| 459 | stored into the appropriate register. This can be used when we want |
| 460 | to force the value returned by a function (see the "return" command |
| 461 | for instance). */ |
| 462 | |
| 463 | extern int gdbarch_return_value_p (struct gdbarch *gdbarch); |
| 464 | |
| 465 | 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); |
| 466 | 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); |
| 467 | extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value); |
| 468 | |
| 469 | /* Return true if the return value of function is stored in the first hidden |
| 470 | parameter. In theory, this feature should be language-dependent, specified |
| 471 | by language and its ABI, such as C++. Unfortunately, compiler may |
| 472 | implement it to a target-dependent feature. So that we need such hook here |
| 473 | to be aware of this in GDB. */ |
| 474 | |
| 475 | typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type); |
| 476 | extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type); |
| 477 | 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); |
| 478 | |
| 479 | typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 480 | extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 481 | extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue); |
| 482 | |
| 483 | extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch); |
| 484 | |
| 485 | typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 486 | extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip); |
| 487 | extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue); |
| 488 | |
| 489 | typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs); |
| 490 | extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs); |
| 491 | extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than); |
| 492 | |
| 493 | typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
| 494 | extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr); |
| 495 | extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc); |
| 496 | |
| 497 | /* Return the adjusted address and kind to use for Z0/Z1 packets. |
| 498 | KIND is usually the memory length of the breakpoint, but may have a |
| 499 | different target-specific meaning. */ |
| 500 | |
| 501 | typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); |
| 502 | extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); |
| 503 | extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc); |
| 504 | |
| 505 | extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch); |
| 506 | |
| 507 | typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr); |
| 508 | extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr); |
| 509 | extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address); |
| 510 | |
| 511 | typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 512 | extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 513 | extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint); |
| 514 | |
| 515 | typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 516 | extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt); |
| 517 | extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint); |
| 518 | |
| 519 | extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch); |
| 520 | extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break); |
| 521 | |
| 522 | /* A function can be addressed by either it's "pointer" (possibly a |
| 523 | descriptor address) or "entry point" (first executable instruction). |
| 524 | The method "convert_from_func_ptr_addr" converting the former to the |
| 525 | latter. gdbarch_deprecated_function_start_offset is being used to implement |
| 526 | a simplified subset of that functionality - the function's address |
| 527 | corresponds to the "function pointer" and the function's start |
| 528 | corresponds to the "function entry point" - and hence is redundant. */ |
| 529 | |
| 530 | extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch); |
| 531 | extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset); |
| 532 | |
| 533 | /* Return the remote protocol register number associated with this |
| 534 | register. Normally the identity mapping. */ |
| 535 | |
| 536 | typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno); |
| 537 | extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno); |
| 538 | extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number); |
| 539 | |
| 540 | /* Fetch the target specific address used to represent a load module. */ |
| 541 | |
| 542 | extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch); |
| 543 | |
| 544 | typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile); |
| 545 | extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile); |
| 546 | extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address); |
| 547 | |
| 548 | extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch); |
| 549 | extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip); |
| 550 | |
| 551 | extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch); |
| 552 | |
| 553 | typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 554 | extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 555 | extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc); |
| 556 | |
| 557 | extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch); |
| 558 | |
| 559 | typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 560 | extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| 561 | extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp); |
| 562 | |
| 563 | /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
| 564 | frame-base. Enable frame-base before frame-unwind. */ |
| 565 | |
| 566 | extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch); |
| 567 | |
| 568 | typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame); |
| 569 | extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame); |
| 570 | extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args); |
| 571 | |
| 572 | extern int gdbarch_frame_align_p (struct gdbarch *gdbarch); |
| 573 | |
| 574 | typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address); |
| 575 | extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address); |
| 576 | extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align); |
| 577 | |
| 578 | typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type); |
| 579 | extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type); |
| 580 | extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr); |
| 581 | |
| 582 | extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch); |
| 583 | extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size); |
| 584 | |
| 585 | typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
| 586 | extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
| 587 | extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr); |
| 588 | |
| 589 | /* On some machines there are bits in addresses which are not really |
| 590 | part of the address, but are used by the kernel, the hardware, etc. |
| 591 | for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
| 592 | we get a "real" address such as one would find in a symbol table. |
| 593 | This is used only for addresses of instructions, and even then I'm |
| 594 | not sure it's used in all contexts. It exists to deal with there |
| 595 | being a few stray bits in the PC which would mislead us, not as some |
| 596 | sort of generic thing to handle alignment or segmentation (it's |
| 597 | possible it should be in TARGET_READ_PC instead). */ |
| 598 | |
| 599 | typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 600 | extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 601 | extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); |
| 602 | |
| 603 | /* FIXME/cagney/2001-01-18: This should be split in two. A target method that |
| 604 | indicates if the target needs software single step. An ISA method to |
| 605 | implement it. |
| 606 | |
| 607 | FIXME/cagney/2001-01-18: This should be replaced with something that inserts |
| 608 | breakpoints using the breakpoint system instead of blatting memory directly |
| 609 | (as with rs6000). |
| 610 | |
| 611 | FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
| 612 | target can single step. If not, then implement single step using breakpoints. |
| 613 | |
| 614 | A return value of 1 means that the software_single_step breakpoints |
| 615 | were inserted; 0 means they were not. */ |
| 616 | |
| 617 | extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch); |
| 618 | |
| 619 | typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame); |
| 620 | extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame); |
| 621 | extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step); |
| 622 | |
| 623 | /* Return non-zero if the processor is executing a delay slot and a |
| 624 | further single-step is needed before the instruction finishes. */ |
| 625 | |
| 626 | extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch); |
| 627 | |
| 628 | typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); |
| 629 | extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); |
| 630 | extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); |
| 631 | |
| 632 | /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
| 633 | disassembler. Perhaps objdump can handle it? */ |
| 634 | |
| 635 | typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info); |
| 636 | extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info); |
| 637 | extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn); |
| 638 | |
| 639 | typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc); |
| 640 | extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc); |
| 641 | extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code); |
| 642 | |
| 643 | /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
| 644 | evaluates non-zero, this is the address where the debugger will place |
| 645 | a step-resume breakpoint to get us past the dynamic linker. */ |
| 646 | |
| 647 | typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); |
| 648 | extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc); |
| 649 | extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver); |
| 650 | |
| 651 | /* Some systems also have trampoline code for returning from shared libs. */ |
| 652 | |
| 653 | typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
| 654 | extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
| 655 | extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); |
| 656 | |
| 657 | /* A target might have problems with watchpoints as soon as the stack |
| 658 | frame of the current function has been destroyed. This mostly happens |
| 659 | as the first action in a funtion's epilogue. in_function_epilogue_p() |
| 660 | is defined to return a non-zero value if either the given addr is one |
| 661 | instruction after the stack destroying instruction up to the trailing |
| 662 | return instruction or if we can figure out that the stack frame has |
| 663 | already been invalidated regardless of the value of addr. Targets |
| 664 | which don't suffer from that problem could just let this functionality |
| 665 | untouched. */ |
| 666 | |
| 667 | typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 668 | extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr); |
| 669 | extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p); |
| 670 | |
| 671 | typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym); |
| 672 | extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym); |
| 673 | extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special); |
| 674 | |
| 675 | typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym); |
| 676 | extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym); |
| 677 | extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special); |
| 678 | |
| 679 | extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch); |
| 680 | extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint); |
| 681 | |
| 682 | extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch); |
| 683 | extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint); |
| 684 | |
| 685 | extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch); |
| 686 | |
| 687 | typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class); |
| 688 | extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class); |
| 689 | extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags); |
| 690 | |
| 691 | extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch); |
| 692 | |
| 693 | typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags); |
| 694 | extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags); |
| 695 | 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); |
| 696 | |
| 697 | extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch); |
| 698 | |
| 699 | typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
| 700 | extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
| 701 | 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); |
| 702 | |
| 703 | /* Is a register in a group */ |
| 704 | |
| 705 | typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); |
| 706 | extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); |
| 707 | extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p); |
| 708 | |
| 709 | /* Fetch the pointer to the ith function argument. */ |
| 710 | |
| 711 | extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch); |
| 712 | |
| 713 | typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type); |
| 714 | extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type); |
| 715 | extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument); |
| 716 | |
| 717 | /* Return the appropriate register set for a core file section with |
| 718 | name SECT_NAME and size SECT_SIZE. */ |
| 719 | |
| 720 | extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch); |
| 721 | |
| 722 | typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size); |
| 723 | extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size); |
| 724 | extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section); |
| 725 | |
| 726 | /* Supported register notes in a core file. */ |
| 727 | |
| 728 | extern struct core_regset_section * gdbarch_core_regset_sections (struct gdbarch *gdbarch); |
| 729 | extern void set_gdbarch_core_regset_sections (struct gdbarch *gdbarch, struct core_regset_section * core_regset_sections); |
| 730 | |
| 731 | /* Create core file notes */ |
| 732 | |
| 733 | extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch); |
| 734 | |
| 735 | typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size); |
| 736 | extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size); |
| 737 | extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes); |
| 738 | |
| 739 | /* Find core file memory regions */ |
| 740 | |
| 741 | extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch); |
| 742 | |
| 743 | typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); |
| 744 | extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); |
| 745 | extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions); |
| 746 | |
| 747 | /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
| 748 | core file into buffer READBUF with length LEN. */ |
| 749 | |
| 750 | extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch); |
| 751 | |
| 752 | typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len); |
| 753 | extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len); |
| 754 | extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries); |
| 755 | |
| 756 | /* How the core target converts a PTID from a core file to a string. */ |
| 757 | |
| 758 | extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch); |
| 759 | |
| 760 | typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); |
| 761 | extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); |
| 762 | extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); |
| 763 | |
| 764 | /* BFD target to use when generating a core file. */ |
| 765 | |
| 766 | extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch); |
| 767 | |
| 768 | extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch); |
| 769 | extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target); |
| 770 | |
| 771 | /* If the elements of C++ vtables are in-place function descriptors rather |
| 772 | than normal function pointers (which may point to code or a descriptor), |
| 773 | set this to one. */ |
| 774 | |
| 775 | extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch); |
| 776 | extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors); |
| 777 | |
| 778 | /* Set if the least significant bit of the delta is used instead of the least |
| 779 | significant bit of the pfn for pointers to virtual member functions. */ |
| 780 | |
| 781 | extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch); |
| 782 | extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta); |
| 783 | |
| 784 | /* Advance PC to next instruction in order to skip a permanent breakpoint. */ |
| 785 | |
| 786 | extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch); |
| 787 | |
| 788 | typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache); |
| 789 | extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache); |
| 790 | extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint); |
| 791 | |
| 792 | /* The maximum length of an instruction on this architecture in bytes. */ |
| 793 | |
| 794 | extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch); |
| 795 | |
| 796 | extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch); |
| 797 | extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length); |
| 798 | |
| 799 | /* Copy the instruction at FROM to TO, and make any adjustments |
| 800 | necessary to single-step it at that address. |
| 801 | |
| 802 | REGS holds the state the thread's registers will have before |
| 803 | executing the copied instruction; the PC in REGS will refer to FROM, |
| 804 | not the copy at TO. The caller should update it to point at TO later. |
| 805 | |
| 806 | Return a pointer to data of the architecture's choice to be passed |
| 807 | to gdbarch_displaced_step_fixup. Or, return NULL to indicate that |
| 808 | the instruction's effects have been completely simulated, with the |
| 809 | resulting state written back to REGS. |
| 810 | |
| 811 | For a general explanation of displaced stepping and how GDB uses it, |
| 812 | see the comments in infrun.c. |
| 813 | |
| 814 | The TO area is only guaranteed to have space for |
| 815 | gdbarch_max_insn_length (arch) bytes, so this function must not |
| 816 | write more bytes than that to that area. |
| 817 | |
| 818 | If you do not provide this function, GDB assumes that the |
| 819 | architecture does not support displaced stepping. |
| 820 | |
| 821 | If your architecture doesn't need to adjust instructions before |
| 822 | single-stepping them, consider using simple_displaced_step_copy_insn |
| 823 | here. */ |
| 824 | |
| 825 | extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch); |
| 826 | |
| 827 | typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 828 | extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 829 | extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn); |
| 830 | |
| 831 | /* Return true if GDB should use hardware single-stepping to execute |
| 832 | the displaced instruction identified by CLOSURE. If false, |
| 833 | GDB will simply restart execution at the displaced instruction |
| 834 | location, and it is up to the target to ensure GDB will receive |
| 835 | control again (e.g. by placing a software breakpoint instruction |
| 836 | into the displaced instruction buffer). |
| 837 | |
| 838 | The default implementation returns false on all targets that |
| 839 | provide a gdbarch_software_single_step routine, and true otherwise. */ |
| 840 | |
| 841 | typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 842 | extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 843 | extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep); |
| 844 | |
| 845 | /* Fix up the state resulting from successfully single-stepping a |
| 846 | displaced instruction, to give the result we would have gotten from |
| 847 | stepping the instruction in its original location. |
| 848 | |
| 849 | REGS is the register state resulting from single-stepping the |
| 850 | displaced instruction. |
| 851 | |
| 852 | CLOSURE is the result from the matching call to |
| 853 | gdbarch_displaced_step_copy_insn. |
| 854 | |
| 855 | If you provide gdbarch_displaced_step_copy_insn.but not this |
| 856 | function, then GDB assumes that no fixup is needed after |
| 857 | single-stepping the instruction. |
| 858 | |
| 859 | For a general explanation of displaced stepping and how GDB uses it, |
| 860 | see the comments in infrun.c. */ |
| 861 | |
| 862 | extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch); |
| 863 | |
| 864 | typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 865 | extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); |
| 866 | extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup); |
| 867 | |
| 868 | /* Free a closure returned by gdbarch_displaced_step_copy_insn. |
| 869 | |
| 870 | If you provide gdbarch_displaced_step_copy_insn, you must provide |
| 871 | this function as well. |
| 872 | |
| 873 | If your architecture uses closures that don't need to be freed, then |
| 874 | you can use simple_displaced_step_free_closure here. |
| 875 | |
| 876 | For a general explanation of displaced stepping and how GDB uses it, |
| 877 | see the comments in infrun.c. */ |
| 878 | |
| 879 | typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 880 | extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| 881 | extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure); |
| 882 | |
| 883 | /* Return the address of an appropriate place to put displaced |
| 884 | instructions while we step over them. There need only be one such |
| 885 | place, since we're only stepping one thread over a breakpoint at a |
| 886 | time. |
| 887 | |
| 888 | For a general explanation of displaced stepping and how GDB uses it, |
| 889 | see the comments in infrun.c. */ |
| 890 | |
| 891 | typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch); |
| 892 | extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch); |
| 893 | extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location); |
| 894 | |
| 895 | /* Relocate an instruction to execute at a different address. OLDLOC |
| 896 | is the address in the inferior memory where the instruction to |
| 897 | relocate is currently at. On input, TO points to the destination |
| 898 | where we want the instruction to be copied (and possibly adjusted) |
| 899 | to. On output, it points to one past the end of the resulting |
| 900 | instruction(s). The effect of executing the instruction at TO shall |
| 901 | be the same as if executing it at FROM. For example, call |
| 902 | instructions that implicitly push the return address on the stack |
| 903 | should be adjusted to return to the instruction after OLDLOC; |
| 904 | relative branches, and other PC-relative instructions need the |
| 905 | offset adjusted; etc. */ |
| 906 | |
| 907 | extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); |
| 908 | |
| 909 | typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); |
| 910 | extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); |
| 911 | extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); |
| 912 | |
| 913 | /* Refresh overlay mapped state for section OSECT. */ |
| 914 | |
| 915 | extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); |
| 916 | |
| 917 | typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect); |
| 918 | extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect); |
| 919 | extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update); |
| 920 | |
| 921 | extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch); |
| 922 | |
| 923 | typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); |
| 924 | extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd); |
| 925 | extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description); |
| 926 | |
| 927 | /* Handle special encoding of static variables in stabs debug info. */ |
| 928 | |
| 929 | extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch); |
| 930 | |
| 931 | typedef const char * (gdbarch_static_transform_name_ftype) (const char *name); |
| 932 | extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name); |
| 933 | extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name); |
| 934 | |
| 935 | /* Set if the address in N_SO or N_FUN stabs may be zero. */ |
| 936 | |
| 937 | extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch); |
| 938 | extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing); |
| 939 | |
| 940 | /* Parse the instruction at ADDR storing in the record execution log |
| 941 | the registers REGCACHE and memory ranges that will be affected when |
| 942 | the instruction executes, along with their current values. |
| 943 | Return -1 if something goes wrong, 0 otherwise. */ |
| 944 | |
| 945 | extern int gdbarch_process_record_p (struct gdbarch *gdbarch); |
| 946 | |
| 947 | typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| 948 | extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| 949 | extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record); |
| 950 | |
| 951 | /* Save process state after a signal. |
| 952 | Return -1 if something goes wrong, 0 otherwise. */ |
| 953 | |
| 954 | extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch); |
| 955 | |
| 956 | typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
| 957 | extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
| 958 | extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal); |
| 959 | |
| 960 | /* Signal translation: translate inferior's signal (target's) number |
| 961 | into GDB's representation. The implementation of this method must |
| 962 | be host independent. IOW, don't rely on symbols of the NAT_FILE |
| 963 | header (the nm-*.h files), the host <signal.h> header, or similar |
| 964 | headers. This is mainly used when cross-debugging core files --- |
| 965 | "Live" targets hide the translation behind the target interface |
| 966 | (target_wait, target_resume, etc.). */ |
| 967 | |
| 968 | extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch); |
| 969 | |
| 970 | typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo); |
| 971 | extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo); |
| 972 | extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target); |
| 973 | |
| 974 | /* Extra signal info inspection. |
| 975 | |
| 976 | Return a type suitable to inspect extra signal information. */ |
| 977 | |
| 978 | extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch); |
| 979 | |
| 980 | typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch); |
| 981 | extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch); |
| 982 | extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type); |
| 983 | |
| 984 | /* Record architecture-specific information from the symbol table. */ |
| 985 | |
| 986 | extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch); |
| 987 | |
| 988 | typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); |
| 989 | extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym); |
| 990 | extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol); |
| 991 | |
| 992 | /* Function for the 'catch syscall' feature. |
| 993 | Get architecture-specific system calls information from registers. */ |
| 994 | |
| 995 | extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch); |
| 996 | |
| 997 | typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid); |
| 998 | extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid); |
| 999 | extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number); |
| 1000 | |
| 1001 | /* SystemTap related fields and functions. |
| 1002 | Prefix used to mark an integer constant on the architecture's assembly |
| 1003 | For example, on x86 integer constants are written as: |
| 1004 | |
| 1005 | $10 ;; integer constant 10 |
| 1006 | |
| 1007 | in this case, this prefix would be the character `$'. */ |
| 1008 | |
| 1009 | extern const char * gdbarch_stap_integer_prefix (struct gdbarch *gdbarch); |
| 1010 | extern void set_gdbarch_stap_integer_prefix (struct gdbarch *gdbarch, const char * stap_integer_prefix); |
| 1011 | |
| 1012 | /* Suffix used to mark an integer constant on the architecture's assembly. */ |
| 1013 | |
| 1014 | extern const char * gdbarch_stap_integer_suffix (struct gdbarch *gdbarch); |
| 1015 | extern void set_gdbarch_stap_integer_suffix (struct gdbarch *gdbarch, const char * stap_integer_suffix); |
| 1016 | |
| 1017 | /* Prefix used to mark a register name on the architecture's assembly. |
| 1018 | For example, on x86 the register name is written as: |
| 1019 | |
| 1020 | %eax ;; register eax |
| 1021 | |
| 1022 | in this case, this prefix would be the character `%'. */ |
| 1023 | |
| 1024 | extern const char * gdbarch_stap_register_prefix (struct gdbarch *gdbarch); |
| 1025 | extern void set_gdbarch_stap_register_prefix (struct gdbarch *gdbarch, const char * stap_register_prefix); |
| 1026 | |
| 1027 | /* Suffix used to mark a register name on the architecture's assembly */ |
| 1028 | |
| 1029 | extern const char * gdbarch_stap_register_suffix (struct gdbarch *gdbarch); |
| 1030 | extern void set_gdbarch_stap_register_suffix (struct gdbarch *gdbarch, const char * stap_register_suffix); |
| 1031 | |
| 1032 | /* Prefix used to mark a register indirection on the architecture's assembly. |
| 1033 | For example, on x86 the register indirection is written as: |
| 1034 | |
| 1035 | (%eax) ;; indirecting eax |
| 1036 | |
| 1037 | in this case, this prefix would be the charater `('. |
| 1038 | |
| 1039 | Please note that we use the indirection prefix also for register |
| 1040 | displacement, e.g., `4(%eax)' on x86. */ |
| 1041 | |
| 1042 | extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch); |
| 1043 | extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch, const char * stap_register_indirection_prefix); |
| 1044 | |
| 1045 | /* Suffix used to mark a register indirection on the architecture's assembly. |
| 1046 | For example, on x86 the register indirection is written as: |
| 1047 | |
| 1048 | (%eax) ;; indirecting eax |
| 1049 | |
| 1050 | in this case, this prefix would be the charater `)'. |
| 1051 | |
| 1052 | Please note that we use the indirection suffix also for register |
| 1053 | displacement, e.g., `4(%eax)' on x86. */ |
| 1054 | |
| 1055 | extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch); |
| 1056 | extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch, const char * stap_register_indirection_suffix); |
| 1057 | |
| 1058 | /* Prefix used to name a register using GDB's nomenclature. |
| 1059 | |
| 1060 | For example, on PPC a register is represented by a number in the assembly |
| 1061 | language (e.g., `10' is the 10th general-purpose register). However, |
| 1062 | inside GDB this same register has an `r' appended to its name, so the 10th |
| 1063 | register would be represented as `r10' internally. */ |
| 1064 | |
| 1065 | extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch); |
| 1066 | extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix); |
| 1067 | |
| 1068 | /* Suffix used to name a register using GDB's nomenclature. */ |
| 1069 | |
| 1070 | extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch); |
| 1071 | extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix); |
| 1072 | |
| 1073 | /* Check if S is a single operand. |
| 1074 | |
| 1075 | Single operands can be: |
| 1076 | - Literal integers, e.g. `$10' on x86 |
| 1077 | - Register access, e.g. `%eax' on x86 |
| 1078 | - Register indirection, e.g. `(%eax)' on x86 |
| 1079 | - Register displacement, e.g. `4(%eax)' on x86 |
| 1080 | |
| 1081 | This function should check for these patterns on the string |
| 1082 | and return 1 if some were found, or zero otherwise. Please try to match |
| 1083 | as much info as you can from the string, i.e., if you have to match |
| 1084 | something like `(%', do not match just the `('. */ |
| 1085 | |
| 1086 | extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch); |
| 1087 | |
| 1088 | typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s); |
| 1089 | extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s); |
| 1090 | extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand); |
| 1091 | |
| 1092 | /* Function used to handle a "special case" in the parser. |
| 1093 | |
| 1094 | A "special case" is considered to be an unknown token, i.e., a token |
| 1095 | that the parser does not know how to parse. A good example of special |
| 1096 | case would be ARM's register displacement syntax: |
| 1097 | |
| 1098 | [R0, #4] ;; displacing R0 by 4 |
| 1099 | |
| 1100 | Since the parser assumes that a register displacement is of the form: |
| 1101 | |
| 1102 | <number> <indirection_prefix> <register_name> <indirection_suffix> |
| 1103 | |
| 1104 | it means that it will not be able to recognize and parse this odd syntax. |
| 1105 | Therefore, we should add a special case function that will handle this token. |
| 1106 | |
| 1107 | This function should generate the proper expression form of the expression |
| 1108 | using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode' |
| 1109 | and so on). It should also return 1 if the parsing was successful, or zero |
| 1110 | if the token was not recognized as a special token (in this case, returning |
| 1111 | zero means that the special parser is deferring the parsing to the generic |
| 1112 | parser), and should advance the buffer pointer (p->arg). */ |
| 1113 | |
| 1114 | extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch); |
| 1115 | |
| 1116 | typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p); |
| 1117 | extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p); |
| 1118 | extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token); |
| 1119 | |
| 1120 | /* True if the list of shared libraries is one and only for all |
| 1121 | processes, as opposed to a list of shared libraries per inferior. |
| 1122 | This usually means that all processes, although may or may not share |
| 1123 | an address space, will see the same set of symbols at the same |
| 1124 | addresses. */ |
| 1125 | |
| 1126 | extern int gdbarch_has_global_solist (struct gdbarch *gdbarch); |
| 1127 | extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist); |
| 1128 | |
| 1129 | /* On some targets, even though each inferior has its own private |
| 1130 | address space, the debug interface takes care of making breakpoints |
| 1131 | visible to all address spaces automatically. For such cases, |
| 1132 | this property should be set to true. */ |
| 1133 | |
| 1134 | extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch); |
| 1135 | extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints); |
| 1136 | |
| 1137 | /* True if inferiors share an address space (e.g., uClinux). */ |
| 1138 | |
| 1139 | typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch); |
| 1140 | extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch); |
| 1141 | extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space); |
| 1142 | |
| 1143 | /* True if a fast tracepoint can be set at an address. */ |
| 1144 | |
| 1145 | typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg); |
| 1146 | extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg); |
| 1147 | extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); |
| 1148 | |
| 1149 | /* Return the "auto" target charset. */ |
| 1150 | |
| 1151 | typedef const char * (gdbarch_auto_charset_ftype) (void); |
| 1152 | extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch); |
| 1153 | extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset); |
| 1154 | |
| 1155 | /* Return the "auto" target wide charset. */ |
| 1156 | |
| 1157 | typedef const char * (gdbarch_auto_wide_charset_ftype) (void); |
| 1158 | extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch); |
| 1159 | extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset); |
| 1160 | |
| 1161 | /* If non-empty, this is a file extension that will be opened in place |
| 1162 | of the file extension reported by the shared library list. |
| 1163 | |
| 1164 | This is most useful for toolchains that use a post-linker tool, |
| 1165 | where the names of the files run on the target differ in extension |
| 1166 | compared to the names of the files GDB should load for debug info. */ |
| 1167 | |
| 1168 | extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch); |
| 1169 | extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension); |
| 1170 | |
| 1171 | /* If true, the target OS has DOS-based file system semantics. That |
| 1172 | is, absolute paths include a drive name, and the backslash is |
| 1173 | considered a directory separator. */ |
| 1174 | |
| 1175 | extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); |
| 1176 | extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); |
| 1177 | |
| 1178 | /* Generate bytecodes to collect the return address in a frame. |
| 1179 | Since the bytecodes run on the target, possibly with GDB not even |
| 1180 | connected, the full unwinding machinery is not available, and |
| 1181 | typically this function will issue bytecodes for one or more likely |
| 1182 | places that the return address may be found. */ |
| 1183 | |
| 1184 | typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); |
| 1185 | extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); |
| 1186 | extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); |
| 1187 | |
| 1188 | /* Implement the "info proc" command. */ |
| 1189 | |
| 1190 | extern int gdbarch_info_proc_p (struct gdbarch *gdbarch); |
| 1191 | |
| 1192 | typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, char *args, enum info_proc_what what); |
| 1193 | extern void gdbarch_info_proc (struct gdbarch *gdbarch, char *args, enum info_proc_what what); |
| 1194 | extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc); |
| 1195 | |
| 1196 | /* Implement the "info proc" command for core files. Noe that there |
| 1197 | are two "info_proc"-like methods on gdbarch -- one for core files, |
| 1198 | one for live targets. */ |
| 1199 | |
| 1200 | extern int gdbarch_core_info_proc_p (struct gdbarch *gdbarch); |
| 1201 | |
| 1202 | typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, char *args, enum info_proc_what what); |
| 1203 | extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, char *args, enum info_proc_what what); |
| 1204 | extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc); |
| 1205 | |
| 1206 | /* Iterate over all objfiles in the order that makes the most sense |
| 1207 | for the architecture to make global symbol searches. |
| 1208 | |
| 1209 | CB is a callback function where OBJFILE is the objfile to be searched, |
| 1210 | and CB_DATA a pointer to user-defined data (the same data that is passed |
| 1211 | when calling this gdbarch method). The iteration stops if this function |
| 1212 | returns nonzero. |
| 1213 | |
| 1214 | CB_DATA is a pointer to some user-defined data to be passed to |
| 1215 | the callback. |
| 1216 | |
| 1217 | If not NULL, CURRENT_OBJFILE corresponds to the objfile being |
| 1218 | inspected when the symbol search was requested. */ |
| 1219 | |
| 1220 | 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); |
| 1221 | 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); |
| 1222 | 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); |
| 1223 | |
| 1224 | /* Definition for an unknown syscall, used basically in error-cases. */ |
| 1225 | #define UNKNOWN_SYSCALL (-1) |
| 1226 | |
| 1227 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
| 1228 | |
| 1229 | |
| 1230 | /* Mechanism for co-ordinating the selection of a specific |
| 1231 | architecture. |
| 1232 | |
| 1233 | GDB targets (*-tdep.c) can register an interest in a specific |
| 1234 | architecture. Other GDB components can register a need to maintain |
| 1235 | per-architecture data. |
| 1236 | |
| 1237 | The mechanisms below ensures that there is only a loose connection |
| 1238 | between the set-architecture command and the various GDB |
| 1239 | components. Each component can independently register their need |
| 1240 | to maintain architecture specific data with gdbarch. |
| 1241 | |
| 1242 | Pragmatics: |
| 1243 | |
| 1244 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It |
| 1245 | didn't scale. |
| 1246 | |
| 1247 | The more traditional mega-struct containing architecture specific |
| 1248 | data for all the various GDB components was also considered. Since |
| 1249 | GDB is built from a variable number of (fairly independent) |
| 1250 | components it was determined that the global aproach was not |
| 1251 | applicable. */ |
| 1252 | |
| 1253 | |
| 1254 | /* Register a new architectural family with GDB. |
| 1255 | |
| 1256 | Register support for the specified ARCHITECTURE with GDB. When |
| 1257 | gdbarch determines that the specified architecture has been |
| 1258 | selected, the corresponding INIT function is called. |
| 1259 | |
| 1260 | -- |
| 1261 | |
| 1262 | The INIT function takes two parameters: INFO which contains the |
| 1263 | information available to gdbarch about the (possibly new) |
| 1264 | architecture; ARCHES which is a list of the previously created |
| 1265 | ``struct gdbarch'' for this architecture. |
| 1266 | |
| 1267 | The INFO parameter is, as far as possible, be pre-initialized with |
| 1268 | information obtained from INFO.ABFD or the global defaults. |
| 1269 | |
| 1270 | The ARCHES parameter is a linked list (sorted most recently used) |
| 1271 | of all the previously created architures for this architecture |
| 1272 | family. The (possibly NULL) ARCHES->gdbarch can used to access |
| 1273 | values from the previously selected architecture for this |
| 1274 | architecture family. |
| 1275 | |
| 1276 | The INIT function shall return any of: NULL - indicating that it |
| 1277 | doesn't recognize the selected architecture; an existing ``struct |
| 1278 | gdbarch'' from the ARCHES list - indicating that the new |
| 1279 | architecture is just a synonym for an earlier architecture (see |
| 1280 | gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch'' |
| 1281 | - that describes the selected architecture (see gdbarch_alloc()). |
| 1282 | |
| 1283 | The DUMP_TDEP function shall print out all target specific values. |
| 1284 | Care should be taken to ensure that the function works in both the |
| 1285 | multi-arch and non- multi-arch cases. */ |
| 1286 | |
| 1287 | struct gdbarch_list |
| 1288 | { |
| 1289 | struct gdbarch *gdbarch; |
| 1290 | struct gdbarch_list *next; |
| 1291 | }; |
| 1292 | |
| 1293 | struct gdbarch_info |
| 1294 | { |
| 1295 | /* Use default: NULL (ZERO). */ |
| 1296 | const struct bfd_arch_info *bfd_arch_info; |
| 1297 | |
| 1298 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
| 1299 | int byte_order; |
| 1300 | |
| 1301 | int byte_order_for_code; |
| 1302 | |
| 1303 | /* Use default: NULL (ZERO). */ |
| 1304 | bfd *abfd; |
| 1305 | |
| 1306 | /* Use default: NULL (ZERO). */ |
| 1307 | struct gdbarch_tdep_info *tdep_info; |
| 1308 | |
| 1309 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ |
| 1310 | enum gdb_osabi osabi; |
| 1311 | |
| 1312 | /* Use default: NULL (ZERO). */ |
| 1313 | const struct target_desc *target_desc; |
| 1314 | }; |
| 1315 | |
| 1316 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
| 1317 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
| 1318 | |
| 1319 | /* DEPRECATED - use gdbarch_register() */ |
| 1320 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
| 1321 | |
| 1322 | extern void gdbarch_register (enum bfd_architecture architecture, |
| 1323 | gdbarch_init_ftype *, |
| 1324 | gdbarch_dump_tdep_ftype *); |
| 1325 | |
| 1326 | |
| 1327 | /* Return a freshly allocated, NULL terminated, array of the valid |
| 1328 | architecture names. Since architectures are registered during the |
| 1329 | _initialize phase this function only returns useful information |
| 1330 | once initialization has been completed. */ |
| 1331 | |
| 1332 | extern const char **gdbarch_printable_names (void); |
| 1333 | |
| 1334 | |
| 1335 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
| 1336 | matches the information provided by INFO. */ |
| 1337 | |
| 1338 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
| 1339 | |
| 1340 | |
| 1341 | /* Helper function. Create a preliminary ``struct gdbarch''. Perform |
| 1342 | basic initialization using values obtained from the INFO and TDEP |
| 1343 | parameters. set_gdbarch_*() functions are called to complete the |
| 1344 | initialization of the object. */ |
| 1345 | |
| 1346 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
| 1347 | |
| 1348 | |
| 1349 | /* Helper function. Free a partially-constructed ``struct gdbarch''. |
| 1350 | It is assumed that the caller freeds the ``struct |
| 1351 | gdbarch_tdep''. */ |
| 1352 | |
| 1353 | extern void gdbarch_free (struct gdbarch *); |
| 1354 | |
| 1355 | |
| 1356 | /* Helper function. Allocate memory from the ``struct gdbarch'' |
| 1357 | obstack. The memory is freed when the corresponding architecture |
| 1358 | is also freed. */ |
| 1359 | |
| 1360 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); |
| 1361 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) |
| 1362 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) |
| 1363 | |
| 1364 | |
| 1365 | /* Helper function. Force an update of the current architecture. |
| 1366 | |
| 1367 | The actual architecture selected is determined by INFO, ``(gdb) set |
| 1368 | architecture'' et.al., the existing architecture and BFD's default |
| 1369 | architecture. INFO should be initialized to zero and then selected |
| 1370 | fields should be updated. |
| 1371 | |
| 1372 | Returns non-zero if the update succeeds. */ |
| 1373 | |
| 1374 | extern int gdbarch_update_p (struct gdbarch_info info); |
| 1375 | |
| 1376 | |
| 1377 | /* Helper function. Find an architecture matching info. |
| 1378 | |
| 1379 | INFO should be initialized using gdbarch_info_init, relevant fields |
| 1380 | set, and then finished using gdbarch_info_fill. |
| 1381 | |
| 1382 | Returns the corresponding architecture, or NULL if no matching |
| 1383 | architecture was found. */ |
| 1384 | |
| 1385 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); |
| 1386 | |
| 1387 | |
| 1388 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
| 1389 | |
| 1390 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
| 1391 | |
| 1392 | |
| 1393 | /* Register per-architecture data-pointer. |
| 1394 | |
| 1395 | Reserve space for a per-architecture data-pointer. An identifier |
| 1396 | for the reserved data-pointer is returned. That identifer should |
| 1397 | be saved in a local static variable. |
| 1398 | |
| 1399 | Memory for the per-architecture data shall be allocated using |
| 1400 | gdbarch_obstack_zalloc. That memory will be deleted when the |
| 1401 | corresponding architecture object is deleted. |
| 1402 | |
| 1403 | When a previously created architecture is re-selected, the |
| 1404 | per-architecture data-pointer for that previous architecture is |
| 1405 | restored. INIT() is not re-called. |
| 1406 | |
| 1407 | Multiple registrarants for any architecture are allowed (and |
| 1408 | strongly encouraged). */ |
| 1409 | |
| 1410 | struct gdbarch_data; |
| 1411 | |
| 1412 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
| 1413 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); |
| 1414 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); |
| 1415 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); |
| 1416 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
| 1417 | struct gdbarch_data *data, |
| 1418 | void *pointer); |
| 1419 | |
| 1420 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
| 1421 | |
| 1422 | |
| 1423 | /* Set the dynamic target-system-dependent parameters (architecture, |
| 1424 | byte-order, ...) using information found in the BFD. */ |
| 1425 | |
| 1426 | extern void set_gdbarch_from_file (bfd *); |
| 1427 | |
| 1428 | |
| 1429 | /* Initialize the current architecture to the "first" one we find on |
| 1430 | our list. */ |
| 1431 | |
| 1432 | extern void initialize_current_architecture (void); |
| 1433 | |
| 1434 | /* gdbarch trace variable */ |
| 1435 | extern unsigned int gdbarch_debug; |
| 1436 | |
| 1437 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
| 1438 | |
| 1439 | #endif |