| blob | 1d169c6e4f46559287c7322176ec60c1487edbb7 |
1 /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
2 /* vi:set ro: */
4 /* Dynamic architecture support for GDB, the GNU debugger.
6 Copyright (C) 1998-2023 Free Software Foundation, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* To regenerate this file, run:
24 ./gdbarch.py
25 */
29 /* The following are pre-initialized by GDBARCH. */
32 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
35 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
38 /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
41 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
44 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
47 /* The following are initialized by the target dependent code. */
49 /* Number of bits in a short or unsigned short for the target machine. */
54 /* Number of bits in an int or unsigned int for the target machine. */
59 /* Number of bits in a long or unsigned long for the target machine. */
64 /* Number of bits in a long long or unsigned long long for the target
65 machine. */
70 /* The ABI default bit-size and format for "bfloat16", "half", "float", "double", and
71 "long double". These bit/format pairs should eventually be combined
72 into a single object. For the moment, just initialize them as a pair.
73 Each format describes both the big and little endian layouts (if
74 useful). */
80 extern void set_gdbarch_bfloat16_format (struct gdbarch *gdbarch, const struct floatformat ** bfloat16_format);
86 extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format);
92 extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format);
98 extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format);
104 extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format);
106 /* The ABI default bit-size for "wchar_t". wchar_t is a built-in type
107 starting with C++11. */
112 /* One if `wchar_t' is signed, zero if unsigned. */
117 /* Returns the floating-point format to be used for values of length LENGTH.
118 NAME, if non-NULL, is the type name, which may be used to distinguish
119 different target formats of the same length. */
121 typedef const struct floatformat ** (gdbarch_floatformat_for_type_ftype) (struct gdbarch *gdbarch, const char *name, int length);
122 extern const struct floatformat ** gdbarch_floatformat_for_type (struct gdbarch *gdbarch, const char *name, int length);
123 extern void set_gdbarch_floatformat_for_type (struct gdbarch *gdbarch, gdbarch_floatformat_for_type_ftype *floatformat_for_type);
125 /* For most targets, a pointer on the target and its representation as an
126 address in GDB have the same size and "look the same". For such a
127 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
128 / addr_bit will be set from it.
130 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
131 also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
132 gdbarch_address_to_pointer as well.
134 ptr_bit is the size of a pointer on the target */
139 /* addr_bit is the size of a target address as represented in gdb */
144 /* dwarf2_addr_size is the target address size as used in the Dwarf debug
145 info. For .debug_frame FDEs, this is supposed to be the target address
146 size from the associated CU header, and which is equivalent to the
147 DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
148 Unfortunately there is no good way to determine this value. Therefore
149 dwarf2_addr_size simply defaults to the target pointer size.
151 dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
152 defined using the target's pointer size so far.
154 Note that dwarf2_addr_size only needs to be redefined by a target if the
155 GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
156 and if Dwarf versions < 4 need to be supported. */
161 /* One if `char' acts like `signed char', zero if `unsigned char'. */
175 extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val);
178 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
179 whole scheme for dealing with "frames" and "frame pointers" needs a
180 serious shakedown. */
182 typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
183 extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
184 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
188 typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum, gdb_byte *buf);
189 extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum, gdb_byte *buf);
190 extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read);
192 /* Read a register into a new struct value. If the register is wholly
193 or partly unavailable, this should call mark_value_bytes_unavailable
194 as appropriate. If this is defined, then pseudo_register_read will
195 never be called. */
199 typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum);
200 extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum);
201 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value);
205 typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
206 extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
207 extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write);
212 /* This macro gives the number of pseudo-registers that live in the
213 register namespace but do not get fetched or stored on the target.
214 These pseudo-registers may be aliases for other registers,
215 combinations of other registers, or they may be computed by GDB. */
220 /* Assemble agent expression bytecode to collect pseudo-register REG.
221 Return -1 if something goes wrong, 0 otherwise. */
225 typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
226 extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
227 extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect);
229 /* Assemble agent expression bytecode to push the value of pseudo-register
230 REG on the interpreter stack.
231 Return -1 if something goes wrong, 0 otherwise. */
235 typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
236 extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
237 extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack);
239 /* Some architectures can display additional information for specific
240 signals.
241 UIOUT is the output stream where the handler will place information. */
245 typedef void (gdbarch_report_signal_info_ftype) (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
246 extern void gdbarch_report_signal_info (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
247 extern void set_gdbarch_report_signal_info (struct gdbarch *gdbarch, gdbarch_report_signal_info_ftype *report_signal_info);
249 /* GDB's standard (or well known) register numbers. These can map onto
250 a real register or a pseudo (computed) register or not be defined at
251 all (-1).
252 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
266 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
270 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
272 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
276 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
278 /* Convert from an sdb register number to an internal gdb register number. */
282 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
284 /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM.
285 Return -1 for bad REGNUM. Note: Several targets get this wrong. */
289 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
291 /* Return the name of register REGNR for the specified architecture.
292 REGNR can be any value greater than, or equal to zero, and less than
293 'gdbarch_num_cooked_regs (GDBARCH)'. If REGNR is not supported for
294 GDBARCH, then this function will return an empty string, this function
295 should never return nullptr. */
299 extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
301 /* Return the type of a register specified by the architecture. Only
302 the register cache should call this function directly; others should
303 use "register_type". */
307 extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type);
309 /* Generate a dummy frame_id for THIS_FRAME assuming that the frame is
310 a dummy frame. A dummy frame is created before an inferior call,
311 the frame_id returned here must match the frame_id that was built
312 for the inferior call. Usually this means the returned frame_id's
313 stack address should match the address returned by
314 gdbarch_push_dummy_call, and the returned frame_id's code address
315 should match the address at which the breakpoint was set in the dummy
316 frame. */
318 typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, frame_info_ptr this_frame);
322 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
323 deprecated_fp_regnum. */
326 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum);
330 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, function_call_return_method return_method, CORE_ADDR struct_addr);
331 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, function_call_return_method return_method, CORE_ADDR struct_addr);
332 extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call);
335 extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, enum call_dummy_location_type call_dummy_location);
339 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);
340 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);
341 extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code);
343 /* Return true if the code of FRAME is writable. */
345 typedef int (gdbarch_code_of_frame_writable_ftype) (struct gdbarch *gdbarch, frame_info_ptr frame);
347 extern void set_gdbarch_code_of_frame_writable (struct gdbarch *gdbarch, gdbarch_code_of_frame_writable_ftype *code_of_frame_writable);
349 typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, frame_info_ptr frame, int regnum, int all);
350 extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, frame_info_ptr frame, int regnum, int all);
351 extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info);
353 typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, frame_info_ptr frame, const char *args);
354 extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, frame_info_ptr frame, const char *args);
355 extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
359 typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, frame_info_ptr frame, const char *args);
360 extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, frame_info_ptr frame, const char *args);
361 extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info);
363 /* MAP a GDB RAW register number onto a simulator register number. See
364 also include/...-sim.h. */
368 extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
372 extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register);
376 extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
378 /* Determine the address where a longjmp will land and save this address
379 in PC. Return nonzero on success.
381 FRAME corresponds to the longjmp frame. */
386 extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, frame_info_ptr frame, CORE_ADDR *pc);
387 extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
390 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
392 typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type);
394 extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p);
396 typedef int (gdbarch_register_to_value_ftype) (frame_info_ptr frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep);
397 extern int gdbarch_register_to_value (struct gdbarch *gdbarch, frame_info_ptr frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep);
398 extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value);
400 typedef void (gdbarch_value_to_register_ftype) (frame_info_ptr frame, int regnum, struct type *type, const gdb_byte *buf);
401 extern void gdbarch_value_to_register (struct gdbarch *gdbarch, frame_info_ptr frame, int regnum, struct type *type, const gdb_byte *buf);
402 extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register);
404 /* Construct a value representing the contents of register REGNUM in
405 frame FRAME_ID, interpreted as type TYPE. The routine needs to
406 allocate and return a struct value with all value attributes
407 (but not the value contents) filled in. */
409 typedef struct value * (gdbarch_value_from_register_ftype) (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id);
410 extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id);
411 extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register);
413 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
414 extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
415 extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address);
417 typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
418 extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
419 extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer);
423 typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
424 extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
425 extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
427 /* Return the return-value convention that will be used by FUNCTION
428 to return a value of type VALTYPE. FUNCTION may be NULL in which
429 case the return convention is computed based only on VALTYPE.
431 If READBUF is not NULL, extract the return value and save it in this buffer.
433 If WRITEBUF is not NULL, it contains a return value which will be
434 stored into the appropriate register. This can be used when we want
435 to force the value returned by a function (see the "return" command
436 for instance).
438 NOTE: it is better to implement return_value_as_value instead, as that
439 method can properly handle variably-sized types. */
441 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);
442 extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value);
444 /* Return the return-value convention that will be used by FUNCTION
445 to return a value of type VALTYPE. FUNCTION may be NULL in which
446 case the return convention is computed based only on VALTYPE.
448 If READ_VALUE is not NULL, extract the return value and save it in
449 this pointer.
451 If WRITEBUF is not NULL, it contains a return value which will be
452 stored into the appropriate register. This can be used when we want
453 to force the value returned by a function (see the "return" command
454 for instance). */
456 typedef enum return_value_convention (gdbarch_return_value_as_value_ftype) (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, struct value **read_value, const gdb_byte *writebuf);
457 extern enum return_value_convention gdbarch_return_value_as_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, struct value **read_value, const gdb_byte *writebuf);
458 extern void set_gdbarch_return_value_as_value (struct gdbarch *gdbarch, gdbarch_return_value_as_value_ftype *return_value_as_value);
460 /* Return the address at which the value being returned from
461 the current function will be stored. This routine is only
462 called if the current function uses the the "struct return
463 convention".
465 May return 0 when unable to determine that address. */
467 typedef CORE_ADDR (gdbarch_get_return_buf_addr_ftype) (struct type *val_type, frame_info_ptr cur_frame);
468 extern CORE_ADDR gdbarch_get_return_buf_addr (struct gdbarch *gdbarch, struct type *val_type, frame_info_ptr cur_frame);
469 extern void set_gdbarch_get_return_buf_addr (struct gdbarch *gdbarch, gdbarch_get_return_buf_addr_ftype *get_return_buf_addr);
471 /* Return true if the typedef record needs to be replaced.".
473 Return 0 by default */
475 typedef bool (gdbarch_dwarf2_omit_typedef_p_ftype) (struct type *target_type, const char *producer, const char *name);
476 extern bool gdbarch_dwarf2_omit_typedef_p (struct gdbarch *gdbarch, struct type *target_type, const char *producer, const char *name);
477 extern void set_gdbarch_dwarf2_omit_typedef_p (struct gdbarch *gdbarch, gdbarch_dwarf2_omit_typedef_p_ftype *dwarf2_omit_typedef_p);
479 /* Update PC when trying to find a call site. This is useful on
480 architectures where the call site PC, as reported in the DWARF, can be
481 incorrect for some reason.
483 The passed-in PC will be an address in the inferior. GDB will have
484 already failed to find a call site at this PC. This function may
485 simply return its parameter if it thinks that should be the correct
486 address. */
490 extern void set_gdbarch_update_call_site_pc (struct gdbarch *gdbarch, gdbarch_update_call_site_pc_ftype *update_call_site_pc);
492 /* Return true if the return value of function is stored in the first hidden
493 parameter. In theory, this feature should be language-dependent, specified
494 by language and its ABI, such as C++. Unfortunately, compiler may
495 implement it to a target-dependent feature. So that we need such hook here
496 to be aware of this in GDB. */
498 typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type);
500 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);
504 extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
510 extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue);
512 /* On some platforms, a single function may provide multiple entry points,
513 e.g. one that is used for function-pointer calls and a different one
514 that is used for direct function calls.
515 In order to ensure that breakpoints set on the function will trigger
516 no matter via which entry point the function is entered, a platform
517 may provide the skip_entrypoint callback. It is called with IP set
518 to the main entry point of a function (as determined by the symbol table),
519 and should return the address of the innermost entry point, where the
520 actual breakpoint needs to be set. Note that skip_entrypoint is used
521 by GDB common code even when debugging optimized code, where skip_prologue
522 is not used. */
528 extern void set_gdbarch_skip_entrypoint (struct gdbarch *gdbarch, gdbarch_skip_entrypoint_ftype *skip_entrypoint);
532 extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
534 typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
535 extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
536 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
538 /* Return the breakpoint kind for this target based on *PCPTR. */
540 typedef int (gdbarch_breakpoint_kind_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr);
542 extern void set_gdbarch_breakpoint_kind_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_kind_from_pc_ftype *breakpoint_kind_from_pc);
544 /* Return the software breakpoint from KIND. KIND can have target
545 specific meaning like the Z0 kind parameter.
546 SIZE is set to the software breakpoint's length in memory. */
548 typedef const gdb_byte * (gdbarch_sw_breakpoint_from_kind_ftype) (struct gdbarch *gdbarch, int kind, int *size);
549 extern const gdb_byte * gdbarch_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size);
550 extern void set_gdbarch_sw_breakpoint_from_kind (struct gdbarch *gdbarch, gdbarch_sw_breakpoint_from_kind_ftype *sw_breakpoint_from_kind);
552 /* Return the breakpoint kind for this target based on the current
553 processor state (e.g. the current instruction mode on ARM) and the
554 *PCPTR. In default, it is gdbarch->breakpoint_kind_from_pc. */
556 typedef int (gdbarch_breakpoint_kind_from_current_state_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR *pcptr);
557 extern int gdbarch_breakpoint_kind_from_current_state (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR *pcptr);
558 extern void set_gdbarch_breakpoint_kind_from_current_state (struct gdbarch *gdbarch, gdbarch_breakpoint_kind_from_current_state_ftype *breakpoint_kind_from_current_state);
562 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
564 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address);
566 typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
567 extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
568 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
570 typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
571 extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
572 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
575 extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break);
577 /* A function can be addressed by either its "pointer" (possibly a
578 descriptor address) or "entry point" (first executable instruction).
579 The method "convert_from_func_ptr_addr" converting the former to the
580 latter. gdbarch_deprecated_function_start_offset is being used to implement
581 a simplified subset of that functionality - the function's address
582 corresponds to the "function pointer" and the function's start
583 corresponds to the "function entry point" - and hence is redundant. */
586 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset);
588 /* Return the remote protocol register number associated with this
589 register. Normally the identity mapping. */
593 extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number);
595 /* Fetch the target specific address used to represent a load module. */
600 extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile);
601 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address);
603 /* Return the thread-local address at OFFSET in the thread-local
604 storage for the thread PTID and the shared library or executable
605 file given by LM_ADDR. If that block of thread-local storage hasn't
606 been allocated yet, this function may throw an error. LM_ADDR may
607 be zero for statically linked multithreaded inferiors. */
611 typedef CORE_ADDR (gdbarch_get_thread_local_address_ftype) (struct gdbarch *gdbarch, ptid_t ptid, CORE_ADDR lm_addr, CORE_ADDR offset);
612 extern CORE_ADDR gdbarch_get_thread_local_address (struct gdbarch *gdbarch, ptid_t ptid, CORE_ADDR lm_addr, CORE_ADDR offset);
613 extern void set_gdbarch_get_thread_local_address (struct gdbarch *gdbarch, gdbarch_get_thread_local_address_ftype *get_thread_local_address);
618 typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, frame_info_ptr next_frame);
620 extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc);
622 typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, frame_info_ptr next_frame);
624 extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp);
626 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
627 frame-base. Enable frame-base before frame-unwind. */
633 extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);
639 extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align);
641 typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type);
643 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr);
648 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
649 extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
650 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr);
652 /* On some machines there are bits in addresses which are not really
653 part of the address, but are used by the kernel, the hardware, etc.
654 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
655 we get a "real" address such as one would find in a symbol table.
656 This is used only for addresses of instructions, and even then I'm
657 not sure it's used in all contexts. It exists to deal with there
658 being a few stray bits in the PC which would mislead us, not as some
659 sort of generic thing to handle alignment or segmentation (it's
660 possible it should be in TARGET_READ_PC instead). */
664 extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
666 /* On some architectures, not all bits of a pointer are significant.
667 On AArch64, for example, the top bits of a pointer may carry a "tag", which
668 can be ignored by the kernel and the hardware. The "tag" can be regarded as
669 additional data associated with the pointer, but it is not part of the address.
671 Given a pointer for the architecture, this hook removes all the
672 non-significant bits and sign-extends things as needed. It gets used to remove
673 non-address bits from data pointers (for example, removing the AArch64 MTE tag
674 bits from a pointer) and from code pointers (removing the AArch64 PAC signature
675 from a pointer containing the return address). */
677 typedef CORE_ADDR (gdbarch_remove_non_address_bits_ftype) (struct gdbarch *gdbarch, CORE_ADDR pointer);
679 extern void set_gdbarch_remove_non_address_bits (struct gdbarch *gdbarch, gdbarch_remove_non_address_bits_ftype *remove_non_address_bits);
681 /* Return a string representation of the memory tag TAG. */
683 typedef std::string (gdbarch_memtag_to_string_ftype) (struct gdbarch *gdbarch, struct value *tag);
685 extern void set_gdbarch_memtag_to_string (struct gdbarch *gdbarch, gdbarch_memtag_to_string_ftype *memtag_to_string);
687 /* Return true if ADDRESS contains a tag and false otherwise. ADDRESS
688 must be either a pointer or a reference type. */
692 extern void set_gdbarch_tagged_address_p (struct gdbarch *gdbarch, gdbarch_tagged_address_p_ftype *tagged_address_p);
694 /* Return true if the tag from ADDRESS matches the memory tag for that
695 particular address. Return false otherwise. */
699 extern void set_gdbarch_memtag_matches_p (struct gdbarch *gdbarch, gdbarch_memtag_matches_p_ftype *memtag_matches_p);
701 /* Set the tags of type TAG_TYPE, for the memory address range
702 [ADDRESS, ADDRESS + LENGTH) to TAGS.
703 Return true if successful and false otherwise. */
705 typedef bool (gdbarch_set_memtags_ftype) (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, memtag_type tag_type);
706 extern bool gdbarch_set_memtags (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, memtag_type tag_type);
707 extern void set_gdbarch_set_memtags (struct gdbarch *gdbarch, gdbarch_set_memtags_ftype *set_memtags);
709 /* Return the tag of type TAG_TYPE associated with the memory address ADDRESS,
710 assuming ADDRESS is tagged. */
712 typedef struct value * (gdbarch_get_memtag_ftype) (struct gdbarch *gdbarch, struct value *address, memtag_type tag_type);
713 extern struct value * gdbarch_get_memtag (struct gdbarch *gdbarch, struct value *address, memtag_type tag_type);
714 extern void set_gdbarch_get_memtag (struct gdbarch *gdbarch, gdbarch_get_memtag_ftype *get_memtag);
716 /* memtag_granule_size is the size of the allocation tag granule, for
717 architectures that support memory tagging.
718 This is 0 for architectures that do not support memory tagging.
719 For a non-zero value, this represents the number of bytes of memory per tag. */
722 extern void set_gdbarch_memtag_granule_size (struct gdbarch *gdbarch, CORE_ADDR memtag_granule_size);
724 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
725 indicates if the target needs software single step. An ISA method to
726 implement it.
728 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
729 target can single step. If not, then implement single step using breakpoints.
731 Return a vector of addresses on which the software single step
732 breakpoints should be inserted. NULL means software single step is
733 not used.
734 Multiple breakpoints may be inserted for some instructions such as
735 conditional branch. However, each implementation must always evaluate
736 the condition and only put the breakpoint at the branch destination if
737 the condition is true, so that we ensure forward progress when stepping
738 past a conditional branch to self. */
742 typedef std::vector<CORE_ADDR> (gdbarch_software_single_step_ftype) (struct regcache *regcache);
743 extern std::vector<CORE_ADDR> gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache);
744 extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
746 /* Return non-zero if the processor is executing a delay slot and a
747 further single-step is needed before the instruction finishes. */
751 typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, frame_info_ptr frame);
753 extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay);
755 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
756 disassembler. Perhaps objdump can handle it? */
759 extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info);
760 extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
763 extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, frame_info_ptr frame, CORE_ADDR pc);
764 extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
766 /* Vtable of solib operations functions. */
771 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
772 evaluates non-zero, this is the address where the debugger will place
773 a step-resume breakpoint to get us past the dynamic linker. */
777 extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver);
779 /* Some systems also have trampoline code for returning from shared libs. */
781 typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
782 extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
783 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline);
785 /* Return true if PC lies inside an indirect branch thunk. */
789 extern void set_gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, gdbarch_in_indirect_branch_thunk_ftype *in_indirect_branch_thunk);
791 /* A target might have problems with watchpoints as soon as the stack
792 frame of the current function has been destroyed. This mostly happens
793 as the first action in a function's epilogue. stack_frame_destroyed_p()
794 is defined to return a non-zero value if either the given addr is one
795 instruction after the stack destroying instruction up to the trailing
796 return instruction or if we can figure out that the stack frame has
797 already been invalidated regardless of the value of addr. Targets
798 which don't suffer from that problem could just let this functionality
799 untouched. */
803 extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, gdbarch_stack_frame_destroyed_p_ftype *stack_frame_destroyed_p);
805 /* Process an ELF symbol in the minimal symbol table in a backend-specific
806 way. Normally this hook is supposed to do nothing, however if required,
807 then this hook can be used to apply tranformations to symbols that are
808 considered special in some way. For example the MIPS backend uses it
809 to interpret `st_other' information to mark compressed code symbols so
810 that they can be treated in the appropriate manner in the processing of
811 the main symbol table and DWARF-2 records. */
815 typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
816 extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
817 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
820 extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
821 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
823 /* Process a symbol in the main symbol table in a backend-specific way.
824 Normally this hook is supposed to do nothing, however if required,
825 then this hook can be used to apply tranformations to symbols that
826 are considered special in some way. This is currently used by the
827 MIPS backend to make sure compressed code symbols have the ISA bit
828 set. This in turn is needed for symbol values seen in GDB to match
829 the values used at the runtime by the program itself, for function
830 and label references. */
833 extern void gdbarch_make_symbol_special (struct gdbarch *gdbarch, struct symbol *sym, struct objfile *objfile);
834 extern void set_gdbarch_make_symbol_special (struct gdbarch *gdbarch, gdbarch_make_symbol_special_ftype *make_symbol_special);
836 /* Adjust the address retrieved from a DWARF-2 record other than a line
837 entry in a backend-specific way. Normally this hook is supposed to
838 return the address passed unchanged, however if that is incorrect for
839 any reason, then this hook can be used to fix the address up in the
840 required manner. This is currently used by the MIPS backend to make
841 sure addresses in FDE, range records, etc. referring to compressed
842 code have the ISA bit set, matching line information and the symbol
843 table. */
847 extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_addr_ftype *adjust_dwarf2_addr);
849 /* Adjust the address updated by a line entry in a backend-specific way.
850 Normally this hook is supposed to return the address passed unchanged,
851 however in the case of inconsistencies in these records, this hook can
852 be used to fix them up in the required manner. This is currently used
853 by the MIPS backend to make sure all line addresses in compressed code
854 are presented with the ISA bit set, which is not always the case. This
855 in turn ensures breakpoint addresses are correctly matched against the
856 stop PC. */
860 extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_line_ftype *adjust_dwarf2_line);
863 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
865 /* See comment in target.h about continuable, steppable and
866 non-steppable watchpoints. */
869 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint);
873 typedef type_instance_flags (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class);
874 extern type_instance_flags gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class);
875 extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags);
879 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, type_instance_flags type_flags);
880 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, type_instance_flags type_flags);
881 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);
883 /* Execute vendor-specific DWARF Call Frame Instruction. OP is the instruction.
884 FS are passed from the generic execute_cfa_program function. */
886 typedef bool (gdbarch_execute_dwarf_cfa_vendor_op_ftype) (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs);
887 extern bool gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs);
888 extern void set_gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdbarch_execute_dwarf_cfa_vendor_op_ftype *execute_dwarf_cfa_vendor_op);
890 /* Return the appropriate type_flags for the supplied address class.
891 This function should return true if the address class was recognized and
892 type_flags was set, false otherwise. */
896 typedef bool (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, type_instance_flags *type_flags_ptr);
897 extern bool gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, type_instance_flags *type_flags_ptr);
898 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);
900 /* Is a register in a group */
902 typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, const struct reggroup *reggroup);
903 extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, const struct reggroup *reggroup);
904 extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p);
906 /* Fetch the pointer to the ith function argument. */
910 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (frame_info_ptr frame, int argi, struct type *type);
911 extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, frame_info_ptr frame, int argi, struct type *type);
912 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument);
914 /* Iterate over all supported register notes in a core file. For each
915 supported register note section, the iterator must call CB and pass
916 CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit
917 the supported register note sections based on the current register
918 values. Otherwise it should enumerate all supported register note
919 sections. */
923 typedef void (gdbarch_iterate_over_regset_sections_ftype) (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache);
924 extern void gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache);
925 extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, gdbarch_iterate_over_regset_sections_ftype *iterate_over_regset_sections);
927 /* Create core file notes */
931 typedef gdb::unique_xmalloc_ptr<char> (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size);
932 extern gdb::unique_xmalloc_ptr<char> gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size);
933 extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes);
935 /* Find core file memory regions */
939 typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data);
940 extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data);
941 extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions);
943 /* Given a bfd OBFD, segment ADDRESS and SIZE, create a memory tag section to be dumped to a core file */
947 typedef asection * (gdbarch_create_memtag_section_ftype) (struct gdbarch *gdbarch, bfd *obfd, CORE_ADDR address, size_t size);
948 extern asection * gdbarch_create_memtag_section (struct gdbarch *gdbarch, bfd *obfd, CORE_ADDR address, size_t size);
949 extern void set_gdbarch_create_memtag_section (struct gdbarch *gdbarch, gdbarch_create_memtag_section_ftype *create_memtag_section);
951 /* Given a memory tag section OSEC, fill OSEC's contents with the appropriate tag data */
957 extern void set_gdbarch_fill_memtag_section (struct gdbarch *gdbarch, gdbarch_fill_memtag_section_ftype *fill_memtag_section);
959 /* Decode a memory tag SECTION and return the tags of type TYPE contained in
960 the memory range [ADDRESS, ADDRESS + LENGTH).
961 If no tags were found, return an empty vector. */
965 typedef gdb::byte_vector (gdbarch_decode_memtag_section_ftype) (struct gdbarch *gdbarch, bfd_section *section, int type, CORE_ADDR address, size_t length);
966 extern gdb::byte_vector gdbarch_decode_memtag_section (struct gdbarch *gdbarch, bfd_section *section, int type, CORE_ADDR address, size_t length);
967 extern void set_gdbarch_decode_memtag_section (struct gdbarch *gdbarch, gdbarch_decode_memtag_section_ftype *decode_memtag_section);
969 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
970 core file into buffer READBUF with length LEN. Return the number of bytes read
971 (zero indicates failure).
972 failed, otherwise, return the red length of READBUF. */
976 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
977 extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
978 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries);
980 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared
981 libraries list from core file into buffer READBUF with length LEN.
982 Return the number of bytes read (zero indicates failure). */
986 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
987 extern ULONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
988 extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_aix_ftype *core_xfer_shared_libraries_aix);
990 /* How the core target converts a PTID from a core file to a string. */
996 extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str);
998 /* How the core target extracts the name of a thread from a core file. */
1002 typedef const char * (gdbarch_core_thread_name_ftype) (struct gdbarch *gdbarch, struct thread_info *thr);
1003 extern const char * gdbarch_core_thread_name (struct gdbarch *gdbarch, struct thread_info *thr);
1004 extern void set_gdbarch_core_thread_name (struct gdbarch *gdbarch, gdbarch_core_thread_name_ftype *core_thread_name);
1006 /* Read offset OFFSET of TARGET_OBJECT_SIGNAL_INFO signal information
1007 from core file into buffer READBUF with length LEN. Return the number
1008 of bytes read (zero indicates EOF, a negative value indicates failure). */
1012 typedef LONGEST (gdbarch_core_xfer_siginfo_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
1013 extern LONGEST gdbarch_core_xfer_siginfo (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
1014 extern void set_gdbarch_core_xfer_siginfo (struct gdbarch *gdbarch, gdbarch_core_xfer_siginfo_ftype *core_xfer_siginfo);
1016 /* Read x86 XSAVE layout information from core file into XSAVE_LAYOUT.
1017 Returns true if the layout was read successfully. */
1021 typedef bool (gdbarch_core_read_x86_xsave_layout_ftype) (struct gdbarch *gdbarch, x86_xsave_layout &xsave_layout);
1022 extern bool gdbarch_core_read_x86_xsave_layout (struct gdbarch *gdbarch, x86_xsave_layout &xsave_layout);
1023 extern void set_gdbarch_core_read_x86_xsave_layout (struct gdbarch *gdbarch, gdbarch_core_read_x86_xsave_layout_ftype *core_read_x86_xsave_layout);
1025 /* BFD target to use when generating a core file. */
1030 extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target);
1032 /* If the elements of C++ vtables are in-place function descriptors rather
1033 than normal function pointers (which may point to code or a descriptor),
1034 set this to one. */
1037 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors);
1039 /* Set if the least significant bit of the delta is used instead of the least
1040 significant bit of the pfn for pointers to virtual member functions. */
1045 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
1048 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
1049 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
1051 /* The maximum length of an instruction on this architecture in bytes. */
1058 /* Copy the instruction at FROM to TO, and make any adjustments
1059 necessary to single-step it at that address.
1061 REGS holds the state the thread's registers will have before
1062 executing the copied instruction; the PC in REGS will refer to FROM,
1063 not the copy at TO. The caller should update it to point at TO later.
1065 Return a pointer to data of the architecture's choice to be passed
1066 to gdbarch_displaced_step_fixup.
1068 For a general explanation of displaced stepping and how GDB uses it,
1069 see the comments in infrun.c.
1071 The TO area is only guaranteed to have space for
1072 gdbarch_displaced_step_buffer_length (arch) octets, so this
1073 function must not write more octets than that to this area.
1075 If you do not provide this function, GDB assumes that the
1076 architecture does not support displaced stepping.
1078 If the instruction cannot execute out of line, return NULL. The
1079 core falls back to stepping past the instruction in-line instead in
1080 that case. */
1084 typedef displaced_step_copy_insn_closure_up (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
1085 extern displaced_step_copy_insn_closure_up gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
1086 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn);
1088 /* Return true if GDB should use hardware single-stepping to execute a displaced
1089 step instruction. If false, GDB will simply restart execution at the
1090 displaced instruction location, and it is up to the target to ensure GDB will
1091 receive control again (e.g. by placing a software breakpoint instruction into
1092 the displaced instruction buffer).
1094 The default implementation returns false on all targets that provide a
1095 gdbarch_software_single_step routine, and true otherwise. */
1099 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep);
1101 /* Fix up the state after attempting to single-step a displaced
1102 instruction, to give the result we would have gotten from stepping the
1103 instruction in its original location.
1105 REGS is the register state resulting from single-stepping the
1106 displaced instruction.
1108 CLOSURE is the result from the matching call to
1109 gdbarch_displaced_step_copy_insn.
1111 FROM is the address where the instruction was original located, TO is
1112 the address of the displaced buffer where the instruction was copied
1113 to for stepping.
1115 COMPLETED_P is true if GDB stopped as a result of the requested step
1116 having completed (e.g. the inferior stopped with SIGTRAP), otherwise
1117 COMPLETED_P is false and GDB stopped for some other reason. In the
1118 case where a single instruction is expanded to multiple replacement
1119 instructions for stepping then it may be necessary to read the current
1120 program counter from REGS in order to decide how far through the
1121 series of replacement instructions the inferior got before stopping,
1122 this may impact what will need fixing up in this function.
1124 For a general explanation of displaced stepping and how GDB uses it,
1125 see the comments in infrun.c. */
1127 typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_copy_insn_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs, bool completed_p);
1128 extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_copy_insn_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs, bool completed_p);
1129 extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup);
1131 /* Prepare THREAD for it to displaced step the instruction at its current PC.
1133 Throw an exception if any unexpected error happens. */
1137 typedef displaced_step_prepare_status (gdbarch_displaced_step_prepare_ftype) (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc);
1138 extern displaced_step_prepare_status gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc);
1139 extern void set_gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, gdbarch_displaced_step_prepare_ftype *displaced_step_prepare);
1141 /* Clean up after a displaced step of THREAD. */
1143 typedef displaced_step_finish_status (gdbarch_displaced_step_finish_ftype) (struct gdbarch *gdbarch, thread_info *thread, const target_waitstatus &ws);
1144 extern displaced_step_finish_status gdbarch_displaced_step_finish (struct gdbarch *gdbarch, thread_info *thread, const target_waitstatus &ws);
1145 extern void set_gdbarch_displaced_step_finish (struct gdbarch *gdbarch, gdbarch_displaced_step_finish_ftype *displaced_step_finish);
1147 /* Return the closure associated to the displaced step buffer that is at ADDR. */
1151 typedef const displaced_step_copy_insn_closure * (gdbarch_displaced_step_copy_insn_closure_by_addr_ftype) (inferior *inf, CORE_ADDR addr);
1152 extern const displaced_step_copy_insn_closure * gdbarch_displaced_step_copy_insn_closure_by_addr (struct gdbarch *gdbarch, inferior *inf, CORE_ADDR addr);
1153 extern void set_gdbarch_displaced_step_copy_insn_closure_by_addr (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_closure_by_addr_ftype *displaced_step_copy_insn_closure_by_addr);
1155 /* PARENT_INF has forked and CHILD_PTID is the ptid of the child. Restore the
1156 contents of all displaced step buffers in the child's address space. */
1158 typedef void (gdbarch_displaced_step_restore_all_in_ptid_ftype) (inferior *parent_inf, ptid_t child_ptid);
1159 extern void gdbarch_displaced_step_restore_all_in_ptid (struct gdbarch *gdbarch, inferior *parent_inf, ptid_t child_ptid);
1160 extern void set_gdbarch_displaced_step_restore_all_in_ptid (struct gdbarch *gdbarch, gdbarch_displaced_step_restore_all_in_ptid_ftype *displaced_step_restore_all_in_ptid);
1162 /* The maximum length in octets required for a displaced-step instruction
1163 buffer. By default this will be the same as gdbarch::max_insn_length,
1164 but should be overridden for architectures that might expand a
1165 displaced-step instruction to multiple replacement instructions. */
1168 extern void set_gdbarch_displaced_step_buffer_length (struct gdbarch *gdbarch, ULONGEST displaced_step_buffer_length);
1170 /* Relocate an instruction to execute at a different address. OLDLOC
1171 is the address in the inferior memory where the instruction to
1172 relocate is currently at. On input, TO points to the destination
1173 where we want the instruction to be copied (and possibly adjusted)
1174 to. On output, it points to one past the end of the resulting
1175 instruction(s). The effect of executing the instruction at TO shall
1176 be the same as if executing it at FROM. For example, call
1177 instructions that implicitly push the return address on the stack
1178 should be adjusted to return to the instruction after OLDLOC;
1179 relative branches, and other PC-relative instructions need the
1180 offset adjusted; etc. */
1184 typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
1185 extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
1186 extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction);
1188 /* Refresh overlay mapped state for section OSECT. */
1194 extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update);
1198 typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
1199 extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
1200 extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description);
1202 /* Set if the address in N_SO or N_FUN stabs may be zero. */
1205 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing);
1207 /* Parse the instruction at ADDR storing in the record execution log
1208 the registers REGCACHE and memory ranges that will be affected when
1209 the instruction executes, along with their current values.
1210 Return -1 if something goes wrong, 0 otherwise. */
1214 typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
1215 extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
1216 extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record);
1218 /* Save process state after a signal.
1219 Return -1 if something goes wrong, 0 otherwise. */
1223 typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
1224 extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
1225 extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal);
1227 /* Signal translation: translate inferior's signal (target's) number
1228 into GDB's representation. The implementation of this method must
1229 be host independent. IOW, don't rely on symbols of the NAT_FILE
1230 header (the nm-*.h files), the host <signal.h> header, or similar
1231 headers. This is mainly used when cross-debugging core files ---
1232 "Live" targets hide the translation behind the target interface
1233 (target_wait, target_resume, etc.). */
1237 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo);
1239 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target);
1241 /* Signal translation: translate the GDB's internal signal number into
1242 the inferior's signal (target's) representation. The implementation
1243 of this method must be host independent. IOW, don't rely on symbols
1244 of the NAT_FILE header (the nm-*.h files), the host <signal.h>
1245 header, or similar headers.
1246 Return the target signal number if found, or -1 if the GDB internal
1247 signal number is invalid. */
1251 typedef int (gdbarch_gdb_signal_to_target_ftype) (struct gdbarch *gdbarch, enum gdb_signal signal);
1253 extern void set_gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_to_target_ftype *gdb_signal_to_target);
1255 /* Extra signal info inspection.
1257 Return a type suitable to inspect extra signal information. */
1263 extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type);
1265 /* Record architecture-specific information from the symbol table. */
1269 typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
1270 extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
1271 extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol);
1273 /* Function for the 'catch syscall' feature.
1274 Get architecture-specific system calls information from registers. */
1278 typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, thread_info *thread);
1280 extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number);
1282 /* The filename of the XML syscall for this architecture. */
1285 extern void set_gdbarch_xml_syscall_file (struct gdbarch *gdbarch, const char * xml_syscall_file);
1287 /* Information about system calls from this architecture */
1290 extern void set_gdbarch_syscalls_info (struct gdbarch *gdbarch, struct syscalls_info * syscalls_info);
1292 /* SystemTap related fields and functions.
1293 A NULL-terminated array of prefixes used to mark an integer constant
1294 on the architecture's assembly.
1295 For example, on x86 integer constants are written as:
1297 $10 ;; integer constant 10
1299 in this case, this prefix would be the character `$'. */
1302 extern void set_gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch, const char *const * stap_integer_prefixes);
1304 /* A NULL-terminated array of suffixes used to mark an integer constant
1305 on the architecture's assembly. */
1308 extern void set_gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch, const char *const * stap_integer_suffixes);
1310 /* A NULL-terminated array of prefixes used to mark a register name on
1311 the architecture's assembly.
1312 For example, on x86 the register name is written as:
1314 %eax ;; register eax
1316 in this case, this prefix would be the character `%'. */
1319 extern void set_gdbarch_stap_register_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_prefixes);
1321 /* A NULL-terminated array of suffixes used to mark a register name on
1322 the architecture's assembly. */
1325 extern void set_gdbarch_stap_register_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_suffixes);
1327 /* A NULL-terminated array of prefixes used to mark a register
1328 indirection on the architecture's assembly.
1329 For example, on x86 the register indirection is written as:
1331 (%eax) ;; indirecting eax
1333 in this case, this prefix would be the charater `('.
1335 Please note that we use the indirection prefix also for register
1336 displacement, e.g., `4(%eax)' on x86. */
1338 extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch);
1339 extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_prefixes);
1341 /* A NULL-terminated array of suffixes used to mark a register
1342 indirection on the architecture's assembly.
1343 For example, on x86 the register indirection is written as:
1345 (%eax) ;; indirecting eax
1347 in this case, this prefix would be the charater `)'.
1349 Please note that we use the indirection suffix also for register
1350 displacement, e.g., `4(%eax)' on x86. */
1352 extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch);
1353 extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_suffixes);
1355 /* Prefix(es) used to name a register using GDB's nomenclature.
1357 For example, on PPC a register is represented by a number in the assembly
1358 language (e.g., `10' is the 10th general-purpose register). However,
1359 inside GDB this same register has an `r' appended to its name, so the 10th
1360 register would be represented as `r10' internally. */
1363 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix);
1365 /* Suffix used to name a register using GDB's nomenclature. */
1368 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix);
1370 /* Check if S is a single operand.
1372 Single operands can be:
1373 - Literal integers, e.g. `$10' on x86
1374 - Register access, e.g. `%eax' on x86
1375 - Register indirection, e.g. `(%eax)' on x86
1376 - Register displacement, e.g. `4(%eax)' on x86
1378 This function should check for these patterns on the string
1379 and return 1 if some were found, or zero otherwise. Please try to match
1380 as much info as you can from the string, i.e., if you have to match
1381 something like `(%', do not match just the `('. */
1387 extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand);
1389 /* Function used to handle a "special case" in the parser.
1391 A "special case" is considered to be an unknown token, i.e., a token
1392 that the parser does not know how to parse. A good example of special
1393 case would be ARM's register displacement syntax:
1395 [R0, #4] ;; displacing R0 by 4
1397 Since the parser assumes that a register displacement is of the form:
1399 <number> <indirection_prefix> <register_name> <indirection_suffix>
1401 it means that it will not be able to recognize and parse this odd syntax.
1402 Therefore, we should add a special case function that will handle this token.
1404 This function should generate the proper expression form of the expression
1405 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1406 and so on). It should also return 1 if the parsing was successful, or zero
1407 if the token was not recognized as a special token (in this case, returning
1408 zero means that the special parser is deferring the parsing to the generic
1409 parser), and should advance the buffer pointer (p->arg). */
1413 typedef expr::operation_up (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p);
1414 extern expr::operation_up gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p);
1415 extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token);
1417 /* Perform arch-dependent adjustments to a register name.
1419 In very specific situations, it may be necessary for the register
1420 name present in a SystemTap probe's argument to be handled in a
1421 special way. For example, on i386, GCC may over-optimize the
1422 register allocation and use smaller registers than necessary. In
1423 such cases, the client that is reading and evaluating the SystemTap
1424 probe (ourselves) will need to actually fetch values from the wider
1425 version of the register in question.
1427 To illustrate the example, consider the following probe argument
1428 (i386):
1430 4@%ax
1432 This argument says that its value can be found at the %ax register,
1433 which is a 16-bit register. However, the argument's prefix says
1434 that its type is "uint32_t", which is 32-bit in size. Therefore, in
1435 this case, GDB should actually fetch the probe's value from register
1436 %eax, not %ax. In this scenario, this function would actually
1437 replace the register name from %ax to %eax.
1439 The rationale for this can be found at PR breakpoints/24541. */
1443 typedef std::string (gdbarch_stap_adjust_register_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p, const std::string ®name, int regnum);
1444 extern std::string gdbarch_stap_adjust_register (struct gdbarch *gdbarch, struct stap_parse_info *p, const std::string ®name, int regnum);
1445 extern void set_gdbarch_stap_adjust_register (struct gdbarch *gdbarch, gdbarch_stap_adjust_register_ftype *stap_adjust_register);
1447 /* DTrace related functions.
1448 The expression to compute the NARTGth+1 argument to a DTrace USDT probe.
1449 NARG must be >= 0. */
1453 typedef expr::operation_up (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, int narg);
1454 extern expr::operation_up gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, int narg);
1455 extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument);
1457 /* True if the given ADDR does not contain the instruction sequence
1458 corresponding to a disabled DTrace is-enabled probe. */
1464 extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled);
1466 /* Enable a DTrace is-enabled probe at ADDR. */
1472 extern void set_gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe);
1474 /* Disable a DTrace is-enabled probe at ADDR. */
1480 extern void set_gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_disable_probe_ftype *dtrace_disable_probe);
1482 /* True if the list of shared libraries is one and only for all
1483 processes, as opposed to a list of shared libraries per inferior.
1484 This usually means that all processes, although may or may not share
1485 an address space, will see the same set of symbols at the same
1486 addresses. */
1491 /* On some targets, even though each inferior has its own private
1492 address space, the debug interface takes care of making breakpoints
1493 visible to all address spaces automatically. For such cases,
1494 this property should be set to true. */
1497 extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints);
1499 /* True if inferiors share an address space (e.g., uClinux). */
1503 extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space);
1505 /* True if a fast tracepoint can be set at an address. */
1507 typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, std::string *msg);
1508 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, std::string *msg);
1509 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at);
1511 /* Guess register state based on tracepoint location. Used for tracepoints
1512 where no registers have been collected, but there's only one location,
1513 allowing us to guess the PC value, and perhaps some other registers.
1514 On entry, regcache has all registers marked as unavailable. */
1516 typedef void (gdbarch_guess_tracepoint_registers_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
1517 extern void gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
1518 extern void set_gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, gdbarch_guess_tracepoint_registers_ftype *guess_tracepoint_registers);
1520 /* Return the "auto" target charset. */
1524 extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset);
1526 /* Return the "auto" target wide charset. */
1530 extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset);
1532 /* If non-empty, this is a file extension that will be opened in place
1533 of the file extension reported by the shared library list.
1535 This is most useful for toolchains that use a post-linker tool,
1536 where the names of the files run on the target differ in extension
1537 compared to the names of the files GDB should load for debug info. */
1540 extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension);
1542 /* If true, the target OS has DOS-based file system semantics. That
1543 is, absolute paths include a drive name, and the backslash is
1544 considered a directory separator. */
1547 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system);
1549 /* Generate bytecodes to collect the return address in a frame.
1550 Since the bytecodes run on the target, possibly with GDB not even
1551 connected, the full unwinding machinery is not available, and
1552 typically this function will issue bytecodes for one or more likely
1553 places that the return address may be found. */
1555 typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
1556 extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
1557 extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address);
1559 /* Implement the "info proc" command. */
1563 typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what);
1564 extern void gdbarch_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what);
1565 extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc);
1567 /* Implement the "info proc" command for core files. Noe that there
1568 are two "info_proc"-like methods on gdbarch -- one for core files,
1569 one for live targets. */
1573 typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what);
1574 extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what);
1575 extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc);
1577 /* Iterate over all objfiles in the order that makes the most sense
1578 for the architecture to make global symbol searches.
1580 CB is a callback function passed an objfile to be searched. The iteration stops
1581 if this function returns nonzero.
1583 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1584 inspected when the symbol search was requested. */
1586 typedef void (gdbarch_iterate_over_objfiles_in_search_order_ftype) (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype cb, struct objfile *current_objfile);
1587 extern void gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype cb, struct objfile *current_objfile);
1588 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);
1590 /* Ravenscar arch-dependent ops. */
1593 extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops);
1595 /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */
1599 extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call);
1601 /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */
1605 extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret);
1607 /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */
1611 extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump);
1613 /* Return true if there's a program/permanent breakpoint planted in
1614 memory at ADDRESS, return false otherwise. */
1616 typedef bool (gdbarch_program_breakpoint_here_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR address);
1618 extern void set_gdbarch_program_breakpoint_here_p (struct gdbarch *gdbarch, gdbarch_program_breakpoint_here_p_ftype *program_breakpoint_here_p);
1620 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
1621 Return 0 if *READPTR is already at the end of the buffer.
1622 Return -1 if there is insufficient buffer for a whole entry.
1623 Return 1 if an entry was read into *TYPEP and *VALP. */
1627 typedef int (gdbarch_auxv_parse_ftype) (struct gdbarch *gdbarch, const gdb_byte **readptr, const gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp);
1628 extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, const gdb_byte **readptr, const gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp);
1629 extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse);
1631 /* Print the description of a single auxv entry described by TYPE and VAL
1632 to FILE. */
1634 typedef void (gdbarch_print_auxv_entry_ftype) (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val);
1635 extern void gdbarch_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val);
1636 extern void set_gdbarch_print_auxv_entry (struct gdbarch *gdbarch, gdbarch_print_auxv_entry_ftype *print_auxv_entry);
1638 /* Find the address range of the current inferior's vsyscall/vDSO, and
1639 write it to *RANGE. If the vsyscall's length can't be determined, a
1640 range with zero length is returned. Returns true if the vsyscall is
1641 found, false otherwise. */
1645 extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range);
1647 /* Allocate SIZE bytes of PROT protected page aligned memory in inferior.
1648 PROT has GDB_MMAP_PROT_* bitmask format.
1649 Throw an error if it is not possible. Returned address is always valid. */
1652 extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot);
1653 extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap);
1655 /* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap.
1656 Print a warning if it is not possible. */
1660 extern void set_gdbarch_infcall_munmap (struct gdbarch *gdbarch, gdbarch_infcall_munmap_ftype *infcall_munmap);
1662 /* Return string (caller has to use xfree for it) with options for GCC
1663 to produce code for this target, typically "-m64", "-m32" or "-m31".
1664 These options are put before CU's DW_AT_producer compilation options so that
1665 they can override it. */
1669 extern void set_gdbarch_gcc_target_options (struct gdbarch *gdbarch, gdbarch_gcc_target_options_ftype *gcc_target_options);
1671 /* Return a regular expression that matches names used by this
1672 architecture in GNU configury triplets. The result is statically
1673 allocated and must not be freed. The default implementation simply
1674 returns the BFD architecture name, which is correct in nearly every
1675 case. */
1679 extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp);
1681 /* Return the size in 8-bit bytes of an addressable memory unit on this
1682 architecture. This corresponds to the number of 8-bit bytes associated to
1683 each address in memory. */
1687 extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size);
1689 /* Functions for allowing a target to modify its disassembler options. */
1692 extern void set_gdbarch_disassembler_options_implicit (struct gdbarch *gdbarch, const char * disassembler_options_implicit);
1695 extern void set_gdbarch_disassembler_options (struct gdbarch *gdbarch, char ** disassembler_options);
1697 extern const disasm_options_and_args_t * gdbarch_valid_disassembler_options (struct gdbarch *gdbarch);
1698 extern void set_gdbarch_valid_disassembler_options (struct gdbarch *gdbarch, const disasm_options_and_args_t * valid_disassembler_options);
1700 /* Type alignment override method. Return the architecture specific
1701 alignment required for TYPE. If there is no special handling
1702 required for TYPE then return the value 0, GDB will then apply the
1703 default rules as laid out in gdbtypes.c:type_align. */
1707 extern void set_gdbarch_type_align (struct gdbarch *gdbarch, gdbarch_type_align_ftype *type_align);
1709 /* Return a string containing any flags for the given PC in the given FRAME. */
1712 extern std::string gdbarch_get_pc_address_flags (struct gdbarch *gdbarch, frame_info_ptr frame, CORE_ADDR pc);
1713 extern void set_gdbarch_get_pc_address_flags (struct gdbarch *gdbarch, gdbarch_get_pc_address_flags_ftype *get_pc_address_flags);
1715 /* Read core file mappings */
1717 typedef void (gdbarch_read_core_file_mappings_ftype) (struct gdbarch *gdbarch, struct bfd *cbfd, read_core_file_mappings_pre_loop_ftype pre_loop_cb, read_core_file_mappings_loop_ftype loop_cb);
1718 extern void gdbarch_read_core_file_mappings (struct gdbarch *gdbarch, struct bfd *cbfd, read_core_file_mappings_pre_loop_ftype pre_loop_cb, read_core_file_mappings_loop_ftype loop_cb);
1719 extern void set_gdbarch_read_core_file_mappings (struct gdbarch *gdbarch, gdbarch_read_core_file_mappings_ftype *read_core_file_mappings);
1721 /* Return true if the target description for all threads should be read from the
1722 target description core file note(s). Return false if the target description
1723 for all threads should be inferred from the core file contents/sections.
1725 The corefile's bfd is passed through COREFILE_BFD. */
1727 typedef bool (gdbarch_use_target_description_from_corefile_notes_ftype) (struct gdbarch *gdbarch, struct bfd *corefile_bfd);
1728 extern bool gdbarch_use_target_description_from_corefile_notes (struct gdbarch *gdbarch, struct bfd *corefile_bfd);
1729 extern void set_gdbarch_use_target_description_from_corefile_notes (struct gdbarch *gdbarch, gdbarch_use_target_description_from_corefile_notes_ftype *use_target_description_from_corefile_notes);