gdb/gdbarch.h

   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 /* It is not at all clear why gdbarch_smash_text_address is not folded into
 604    gdbarch_addr_bits_remove. */
 605
 606 typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
 607 extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
 608 extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
 609
 610 /* FIXME/cagney/2001-01-18: This should be split in two.  A target method that
 611    indicates if the target needs software single step.  An ISA method to
 612    implement it.
 613
 614    FIXME/cagney/2001-01-18: This should be replaced with something that inserts
 615    breakpoints using the breakpoint system instead of blatting memory directly
 616    (as with rs6000).
 617
 618    FIXME/cagney/2001-01-18: The logic is backwards.  It should be asking if the
 619    target can single step.  If not, then implement single step using breakpoints.
 620
 621    A return value of 1 means that the software_single_step breakpoints
 622    were inserted; 0 means they were not. */
 623
 624 extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
 625
 626 typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame);
 627 extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame);
 628 extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
 629
 630 /* Return non-zero if the processor is executing a delay slot and a
 631    further single-step is needed before the instruction finishes. */
 632
 633 extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch);
 634
 635 typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame);
 636 extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame);
 637 extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay);
 638
 639 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
 640    disassembler.  Perhaps objdump can handle it? */
 641
 642 typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info);
 643 extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info);
 644 extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
 645
 646 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc);
 647 extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc);
 648 extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
 649
 650 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
 651    evaluates non-zero, this is the address where the debugger will place
 652    a step-resume breakpoint to get us past the dynamic linker. */
 653
 654 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc);
 655 extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc);
 656 extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver);
 657
 658 /* Some systems also have trampoline code for returning from shared libs. */
 659
 660 typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
 661 extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
 662 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline);
 663
 664 /* A target might have problems with watchpoints as soon as the stack
 665    frame of the current function has been destroyed.  This mostly happens
 666    as the first action in a funtion's epilogue.  in_function_epilogue_p()
 667    is defined to return a non-zero value if either the given addr is one
 668    instruction after the stack destroying instruction up to the trailing
 669    return instruction or if we can figure out that the stack frame has
 670    already been invalidated regardless of the value of addr.  Targets
 671    which don't suffer from that problem could just let this functionality
 672    untouched. */
 673
 674 typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
 675 extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
 676 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
 677
 678 typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
 679 extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
 680 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
 681
 682 typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym);
 683 extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
 684 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
 685
 686 extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch);
 687 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
 688
 689 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch);
 690 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint);
 691
 692 extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch);
 693
 694 typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class);
 695 extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class);
 696 extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags);
 697
 698 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch);
 699
 700 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags);
 701 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags);
 702 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);
 703
 704 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch);
 705
 706 typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr);
 707 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr);
 708 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);
 709
 710 /* Is a register in a group */
 711
 712 typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup);
 713 extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup);
 714 extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p);
 715
 716 /* Fetch the pointer to the ith function argument. */
 717
 718 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch);
 719
 720 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type);
 721 extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type);
 722 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument);
 723
 724 /* Return the appropriate register set for a core file section with
 725    name SECT_NAME and size SECT_SIZE. */
 726
 727 extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch);
 728
 729 typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
 730 extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
 731 extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section);
 732
 733 /* Supported register notes in a core file. */
 734
 735 extern struct core_regset_section * gdbarch_core_regset_sections (struct gdbarch *gdbarch);
 736 extern void set_gdbarch_core_regset_sections (struct gdbarch *gdbarch, struct core_regset_section * core_regset_sections);
 737
 738 /* Create core file notes */
 739
 740 extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch);
 741
 742 typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size);
 743 extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size);
 744 extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes);
 745
 746 /* Find core file memory regions */
 747
 748 extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch);
 749
 750 typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data);
 751 extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data);
 752 extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions);
 753
 754 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
 755    core file into buffer READBUF with length LEN. */
 756
 757 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
 758
 759 typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
 760 extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
 761 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries);
 762
 763 /* How the core target converts a PTID from a core file to a string. */
 764
 765 extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch);
 766
 767 typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
 768 extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid);
 769 extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str);
 770
 771 /* BFD target to use when generating a core file. */
 772
 773 extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch);
 774
 775 extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch);
 776 extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target);
 777
 778 /* If the elements of C++ vtables are in-place function descriptors rather
 779    than normal function pointers (which may point to code or a descriptor),
 780    set this to one. */
 781
 782 extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch);
 783 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors);
 784
 785 /* Set if the least significant bit of the delta is used instead of the least
 786    significant bit of the pfn for pointers to virtual member functions. */
 787
 788 extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch);
 789 extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta);
 790
 791 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
 792
 793 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch);
 794
 795 typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache);
 796 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
 797 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
 798
 799 /* The maximum length of an instruction on this architecture in bytes. */
 800
 801 extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch);
 802
 803 extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch);
 804 extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length);
 805
 806 /* Copy the instruction at FROM to TO, and make any adjustments
 807    necessary to single-step it at that address.
 808
 809    REGS holds the state the thread's registers will have before
 810    executing the copied instruction; the PC in REGS will refer to FROM,
 811    not the copy at TO.  The caller should update it to point at TO later.
 812
 813    Return a pointer to data of the architecture's choice to be passed
 814    to gdbarch_displaced_step_fixup.  Or, return NULL to indicate that
 815    the instruction's effects have been completely simulated, with the
 816    resulting state written back to REGS.
 817
 818    For a general explanation of displaced stepping and how GDB uses it,
 819    see the comments in infrun.c.
 820
 821    The TO area is only guaranteed to have space for
 822    gdbarch_max_insn_length (arch) bytes, so this function must not
 823    write more bytes than that to that area.
 824
 825    If you do not provide this function, GDB assumes that the
 826    architecture does not support displaced stepping.
 827
 828    If your architecture doesn't need to adjust instructions before
 829    single-stepping them, consider using simple_displaced_step_copy_insn
 830    here. */
 831
 832 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch);
 833
 834 typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
 835 extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
 836 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn);
 837
 838 /* Return true if GDB should use hardware single-stepping to execute
 839    the displaced instruction identified by CLOSURE.  If false,
 840    GDB will simply restart execution at the displaced instruction
 841    location, and it is up to the target to ensure GDB will receive
 842    control again (e.g. by placing a software breakpoint instruction
 843    into the displaced instruction buffer).
 844
 845    The default implementation returns false on all targets that
 846    provide a gdbarch_software_single_step routine, and true otherwise. */
 847
 848 typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
 849 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
 850 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep);
 851
 852 /* Fix up the state resulting from successfully single-stepping a
 853    displaced instruction, to give the result we would have gotten from
 854    stepping the instruction in its original location.
 855
 856    REGS is the register state resulting from single-stepping the
 857    displaced instruction.
 858
 859    CLOSURE is the result from the matching call to
 860    gdbarch_displaced_step_copy_insn.
 861
 862    If you provide gdbarch_displaced_step_copy_insn.but not this
 863    function, then GDB assumes that no fixup is needed after
 864    single-stepping the instruction.
 865
 866    For a general explanation of displaced stepping and how GDB uses it,
 867    see the comments in infrun.c. */
 868
 869 extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch);
 870
 871 typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
 872 extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
 873 extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup);
 874
 875 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
 876
 877    If you provide gdbarch_displaced_step_copy_insn, you must provide
 878    this function as well.
 879
 880    If your architecture uses closures that don't need to be freed, then
 881    you can use simple_displaced_step_free_closure here.
 882
 883    For a general explanation of displaced stepping and how GDB uses it,
 884    see the comments in infrun.c. */
 885
 886 typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
 887 extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
 888 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure);
 889
 890 /* Return the address of an appropriate place to put displaced
 891    instructions while we step over them.  There need only be one such
 892    place, since we're only stepping one thread over a breakpoint at a
 893    time.
 894
 895    For a general explanation of displaced stepping and how GDB uses it,
 896    see the comments in infrun.c. */
 897
 898 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch);
 899 extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch);
 900 extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location);
 901
 902 /* Relocate an instruction to execute at a different address.  OLDLOC
 903    is the address in the inferior memory where the instruction to
 904    relocate is currently at.  On input, TO points to the destination
 905    where we want the instruction to be copied (and possibly adjusted)
 906    to.  On output, it points to one past the end of the resulting
 907    instruction(s).  The effect of executing the instruction at TO shall
 908    be the same as if executing it at FROM.  For example, call
 909    instructions that implicitly push the return address on the stack
 910    should be adjusted to return to the instruction after OLDLOC;
 911    relative branches, and other PC-relative instructions need the
 912    offset adjusted; etc. */
 913
 914 extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch);
 915
 916 typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
 917 extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
 918 extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction);
 919
 920 /* Refresh overlay mapped state for section OSECT. */
 921
 922 extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);
 923
 924 typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect);
 925 extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect);
 926 extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update);
 927
 928 extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch);
 929
 930 typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
 931 extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
 932 extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description);
 933
 934 /* Handle special encoding of static variables in stabs debug info. */
 935
 936 extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch);
 937
 938 typedef const char * (gdbarch_static_transform_name_ftype) (const char *name);
 939 extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const char *name);
 940 extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name);
 941
 942 /* Set if the address in N_SO or N_FUN stabs may be zero. */
 943
 944 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch);
 945 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing);
 946
 947 /* Parse the instruction at ADDR storing in the record execution log
 948    the registers REGCACHE and memory ranges that will be affected when
 949    the instruction executes, along with their current values.
 950    Return -1 if something goes wrong, 0 otherwise. */
 951
 952 extern int gdbarch_process_record_p (struct gdbarch *gdbarch);
 953
 954 typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
 955 extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
 956 extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record);
 957
 958 /* Save process state after a signal.
 959    Return -1 if something goes wrong, 0 otherwise. */
 960
 961 extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch);
 962
 963 typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
 964 extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
 965 extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal);
 966
 967 /* Signal translation: translate inferior's signal (target's) number
 968    into GDB's representation.  The implementation of this method must
 969    be host independent.  IOW, don't rely on symbols of the NAT_FILE
 970    header (the nm-*.h files), the host <signal.h> header, or similar
 971    headers.  This is mainly used when cross-debugging core files ---
 972    "Live" targets hide the translation behind the target interface
 973    (target_wait, target_resume, etc.). */
 974
 975 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch);
 976
 977 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo);
 978 extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo);
 979 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target);
 980
 981 /* Extra signal info inspection.
 982
 983    Return a type suitable to inspect extra signal information. */
 984
 985 extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch);
 986
 987 typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch);
 988 extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch);
 989 extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type);
 990
 991 /* Record architecture-specific information from the symbol table. */
 992
 993 extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch);
 994
 995 typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
 996 extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
 997 extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol);
 998
 999 /* Function for the 'catch syscall' feature.
1000    Get architecture-specific system calls information from registers. */
1001
1002 extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch);
1003
1004 typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
1005 extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid);
1006 extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number);
1007
1008 /* SystemTap related fields and functions.
1009    Prefix used to mark an integer constant on the architecture's assembly
1010    For example, on x86 integer constants are written as:
1011
1012     $10 ;; integer constant 10
1013
1014    in this case, this prefix would be the character `$'. */
1015
1016 extern const char * gdbarch_stap_integer_prefix (struct gdbarch *gdbarch);
1017 extern void set_gdbarch_stap_integer_prefix (struct gdbarch *gdbarch, const char * stap_integer_prefix);
1018
1019 /* Suffix used to mark an integer constant on the architecture's assembly. */
1020
1021 extern const char * gdbarch_stap_integer_suffix (struct gdbarch *gdbarch);
1022 extern void set_gdbarch_stap_integer_suffix (struct gdbarch *gdbarch, const char * stap_integer_suffix);
1023
1024 /* Prefix used to mark a register name on the architecture's assembly.
1025    For example, on x86 the register name is written as:
1026
1027     %eax ;; register eax
1028
1029    in this case, this prefix would be the character `%'. */
1030
1031 extern const char * gdbarch_stap_register_prefix (struct gdbarch *gdbarch);
1032 extern void set_gdbarch_stap_register_prefix (struct gdbarch *gdbarch, const char * stap_register_prefix);
1033
1034 /* Suffix used to mark a register name on the architecture's assembly */
1035
1036 extern const char * gdbarch_stap_register_suffix (struct gdbarch *gdbarch);
1037 extern void set_gdbarch_stap_register_suffix (struct gdbarch *gdbarch, const char * stap_register_suffix);
1038
1039 /* Prefix used to mark a register indirection on the architecture's assembly.
1040    For example, on x86 the register indirection is written as:
1041
1042     (%eax) ;; indirecting eax
1043
1044    in this case, this prefix would be the charater `('.
1045
1046    Please note that we use the indirection prefix also for register
1047    displacement, e.g., `4(%eax)' on x86. */
1048
1049 extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch);
1050 extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch, const char * stap_register_indirection_prefix);
1051
1052 /* Suffix used to mark a register indirection on the architecture's assembly.
1053    For example, on x86 the register indirection is written as:
1054
1055     (%eax) ;; indirecting eax
1056
1057    in this case, this prefix would be the charater `)'.
1058
1059    Please note that we use the indirection suffix also for register
1060    displacement, e.g., `4(%eax)' on x86. */
1061
1062 extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch);
1063 extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch, const char * stap_register_indirection_suffix);
1064
1065 /* Prefix used to name a register using GDB's nomenclature.
1066
1067    For example, on PPC a register is represented by a number in the assembly
1068    language (e.g., `10' is the 10th general-purpose register).  However,
1069    inside GDB this same register has an `r' appended to its name, so the 10th
1070    register would be represented as `r10' internally. */
1071
1072 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch);
1073 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix);
1074
1075 /* Suffix used to name a register using GDB's nomenclature. */
1076
1077 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch);
1078 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix);
1079
1080 /* Check if S is a single operand.
1081
1082    Single operands can be:
1083     - Literal integers, e.g. `$10' on x86
1084     - Register access, e.g. `%eax' on x86
1085     - Register indirection, e.g. `(%eax)' on x86
1086     - Register displacement, e.g. `4(%eax)' on x86
1087
1088    This function should check for these patterns on the string
1089    and return 1 if some were found, or zero otherwise.  Please try to match
1090    as much info as you can from the string, i.e., if you have to match
1091    something like `(%', do not match just the `('. */
1092
1093 extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch);
1094
1095 typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s);
1096 extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s);
1097 extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand);
1098
1099 /* Function used to handle a "special case" in the parser.
1100
1101    A "special case" is considered to be an unknown token, i.e., a token
1102    that the parser does not know how to parse.  A good example of special
1103    case would be ARM's register displacement syntax:
1104
1105     [R0, #4]  ;; displacing R0 by 4
1106
1107    Since the parser assumes that a register displacement is of the form:
1108
1109     <number> <indirection_prefix> <register_name> <indirection_suffix>
1110
1111    it means that it will not be able to recognize and parse this odd syntax.
1112    Therefore, we should add a special case function that will handle this token.
1113
1114    This function should generate the proper expression form of the expression
1115    using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1116    and so on).  It should also return 1 if the parsing was successful, or zero
1117    if the token was not recognized as a special token (in this case, returning
1118    zero means that the special parser is deferring the parsing to the generic
1119    parser), and should advance the buffer pointer (p->arg). */
1120
1121 extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch);
1122
1123 typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p);
1124 extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p);
1125 extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token);
1126
1127 /* True if the list of shared libraries is one and only for all
1128    processes, as opposed to a list of shared libraries per inferior.
1129    This usually means that all processes, although may or may not share
1130    an address space, will see the same set of symbols at the same
1131    addresses. */
1132
1133 extern int gdbarch_has_global_solist (struct gdbarch *gdbarch);
1134 extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist);
1135
1136 /* On some targets, even though each inferior has its own private
1137    address space, the debug interface takes care of making breakpoints
1138    visible to all address spaces automatically.  For such cases,
1139    this property should be set to true. */
1140
1141 extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch);
1142 extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints);
1143
1144 /* True if inferiors share an address space (e.g., uClinux). */
1145
1146 typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch);
1147 extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch);
1148 extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space);
1149
1150 /* True if a fast tracepoint can be set at an address. */
1151
1152 typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg);
1153 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg);
1154 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at);
1155
1156 /* Return the "auto" target charset. */
1157
1158 typedef const char * (gdbarch_auto_charset_ftype) (void);
1159 extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch);
1160 extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset);
1161
1162 /* Return the "auto" target wide charset. */
1163
1164 typedef const char * (gdbarch_auto_wide_charset_ftype) (void);
1165 extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch);
1166 extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset);
1167
1168 /* If non-empty, this is a file extension that will be opened in place
1169    of the file extension reported by the shared library list.
1170
1171    This is most useful for toolchains that use a post-linker tool,
1172    where the names of the files run on the target differ in extension
1173    compared to the names of the files GDB should load for debug info. */
1174
1175 extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch);
1176 extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension);
1177
1178 /* If true, the target OS has DOS-based file system semantics.  That
1179    is, absolute paths include a drive name, and the backslash is
1180    considered a directory separator. */
1181
1182 extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch);
1183 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system);
1184
1185 /* Generate bytecodes to collect the return address in a frame.
1186    Since the bytecodes run on the target, possibly with GDB not even
1187    connected, the full unwinding machinery is not available, and
1188    typically this function will issue bytecodes for one or more likely
1189    places that the return address may be found. */
1190
1191 typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
1192 extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
1193 extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address);
1194
1195 /* Implement the "info proc" command. */
1196
1197 extern int gdbarch_info_proc_p (struct gdbarch *gdbarch);
1198
1199 typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, char *args, enum info_proc_what what);
1200 extern void gdbarch_info_proc (struct gdbarch *gdbarch, char *args, enum info_proc_what what);
1201 extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc);
1202
1203 /* Iterate over all objfiles in the order that makes the most sense
1204    for the architecture to make global symbol searches.
1205
1206    CB is a callback function where OBJFILE is the objfile to be searched,
1207    and CB_DATA a pointer to user-defined data (the same data that is passed
1208    when calling this gdbarch method).  The iteration stops if this function
1209    returns nonzero.
1210
1211    CB_DATA is a pointer to some user-defined data to be passed to
1212    the callback.
1213
1214    If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1215    inspected when the symbol search was requested. */
1216
1217 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);
1218 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);
1219 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);
1220
1221 /* Definition for an unknown syscall, used basically in error-cases.  */
1222 #define UNKNOWN_SYSCALL (-1)
1223
1224 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1225
1226
1227 /* Mechanism for co-ordinating the selection of a specific
1228    architecture.
1229
1230    GDB targets (*-tdep.c) can register an interest in a specific
1231    architecture.  Other GDB components can register a need to maintain
1232    per-architecture data.
1233
1234    The mechanisms below ensures that there is only a loose connection
1235    between the set-architecture command and the various GDB
1236    components.  Each component can independently register their need
1237    to maintain architecture specific data with gdbarch.
1238
1239    Pragmatics:
1240
1241    Previously, a single TARGET_ARCHITECTURE_HOOK was provided.  It
1242    didn't scale.
1243
1244    The more traditional mega-struct containing architecture specific
1245    data for all the various GDB components was also considered.  Since
1246    GDB is built from a variable number of (fairly independent)
1247    components it was determined that the global aproach was not
1248    applicable.  */
1249
1250
1251 /* Register a new architectural family with GDB.
1252
1253    Register support for the specified ARCHITECTURE with GDB.  When
1254    gdbarch determines that the specified architecture has been
1255    selected, the corresponding INIT function is called.
1256
1257    --
1258
1259    The INIT function takes two parameters: INFO which contains the
1260    information available to gdbarch about the (possibly new)
1261    architecture; ARCHES which is a list of the previously created
1262    ``struct gdbarch'' for this architecture.
1263
1264    The INFO parameter is, as far as possible, be pre-initialized with
1265    information obtained from INFO.ABFD or the global defaults.
1266
1267    The ARCHES parameter is a linked list (sorted most recently used)
1268    of all the previously created architures for this architecture
1269    family.  The (possibly NULL) ARCHES->gdbarch can used to access
1270    values from the previously selected architecture for this
1271    architecture family.
1272
1273    The INIT function shall return any of: NULL - indicating that it
1274    doesn't recognize the selected architecture; an existing ``struct
1275    gdbarch'' from the ARCHES list - indicating that the new
1276    architecture is just a synonym for an earlier architecture (see
1277    gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1278    - that describes the selected architecture (see gdbarch_alloc()).
1279
1280    The DUMP_TDEP function shall print out all target specific values.
1281    Care should be taken to ensure that the function works in both the
1282    multi-arch and non- multi-arch cases.  */
1283
1284 struct gdbarch_list
1285 {
1286   struct gdbarch *gdbarch;
1287   struct gdbarch_list *next;
1288 };
1289
1290 struct gdbarch_info
1291 {
1292   /* Use default: NULL (ZERO).  */
1293   const struct bfd_arch_info *bfd_arch_info;
1294
1295   /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO).  */
1296   int byte_order;
1297
1298   int byte_order_for_code;
1299
1300   /* Use default: NULL (ZERO).  */
1301   bfd *abfd;
1302
1303   /* Use default: NULL (ZERO).  */
1304   struct gdbarch_tdep_info *tdep_info;
1305
1306   /* Use default: GDB_OSABI_UNINITIALIZED (-1).  */
1307   enum gdb_osabi osabi;
1308
1309   /* Use default: NULL (ZERO).  */
1310   const struct target_desc *target_desc;
1311 };
1312
1313 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1314 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1315
1316 /* DEPRECATED - use gdbarch_register() */
1317 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1318
1319 extern void gdbarch_register (enum bfd_architecture architecture,
1320                               gdbarch_init_ftype *,
1321                               gdbarch_dump_tdep_ftype *);
1322
1323
1324 /* Return a freshly allocated, NULL terminated, array of the valid
1325    architecture names.  Since architectures are registered during the
1326    _initialize phase this function only returns useful information
1327    once initialization has been completed.  */
1328
1329 extern const char **gdbarch_printable_names (void);
1330
1331
1332 /* Helper function.  Search the list of ARCHES for a GDBARCH that
1333    matches the information provided by INFO.  */
1334
1335 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1336
1337
1338 /* Helper function.  Create a preliminary ``struct gdbarch''.  Perform
1339    basic initialization using values obtained from the INFO and TDEP
1340    parameters.  set_gdbarch_*() functions are called to complete the
1341    initialization of the object.  */
1342
1343 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1344
1345
1346 /* Helper function.  Free a partially-constructed ``struct gdbarch''.
1347    It is assumed that the caller freeds the ``struct
1348    gdbarch_tdep''.  */
1349
1350 extern void gdbarch_free (struct gdbarch *);
1351
1352
1353 /* Helper function.  Allocate memory from the ``struct gdbarch''
1354    obstack.  The memory is freed when the corresponding architecture
1355    is also freed.  */
1356
1357 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1358 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1359 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1360
1361
1362 /* Helper function.  Force an update of the current architecture.
1363
1364    The actual architecture selected is determined by INFO, ``(gdb) set
1365    architecture'' et.al., the existing architecture and BFD's default
1366    architecture.  INFO should be initialized to zero and then selected
1367    fields should be updated.
1368
1369    Returns non-zero if the update succeeds.  */
1370
1371 extern int gdbarch_update_p (struct gdbarch_info info);
1372
1373
1374 /* Helper function.  Find an architecture matching info.
1375
1376    INFO should be initialized using gdbarch_info_init, relevant fields
1377    set, and then finished using gdbarch_info_fill.
1378
1379    Returns the corresponding architecture, or NULL if no matching
1380    architecture was found.  */
1381
1382 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1383
1384
1385 /* Helper function.  Set the target gdbarch to "gdbarch".  */
1386
1387 extern void set_target_gdbarch (struct gdbarch *gdbarch);
1388
1389
1390 /* Register per-architecture data-pointer.
1391
1392    Reserve space for a per-architecture data-pointer.  An identifier
1393    for the reserved data-pointer is returned.  That identifer should
1394    be saved in a local static variable.
1395
1396    Memory for the per-architecture data shall be allocated using
1397    gdbarch_obstack_zalloc.  That memory will be deleted when the
1398    corresponding architecture object is deleted.
1399
1400    When a previously created architecture is re-selected, the
1401    per-architecture data-pointer for that previous architecture is
1402    restored.  INIT() is not re-called.
1403
1404    Multiple registrarants for any architecture are allowed (and
1405    strongly encouraged).  */
1406
1407 struct gdbarch_data;
1408
1409 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
1410 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
1411 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
1412 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
1413 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1414                                          struct gdbarch_data *data,
1415                                          void *pointer);
1416
1417 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1418
1419
1420 /* Set the dynamic target-system-dependent parameters (architecture,
1421    byte-order, ...) using information found in the BFD.  */
1422
1423 extern void set_gdbarch_from_file (bfd *);
1424
1425
1426 /* Initialize the current architecture to the "first" one we find on
1427    our list.  */
1428
1429 extern void initialize_current_architecture (void);
1430
1431 /* gdbarch trace variable */
1432 extern unsigned int gdbarch_debug;
1433
1434 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1435
1436 #endif