1 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
4 /* Dynamic architecture support for GDB, the GNU debugger.
6 Copyright (C) 1998-2016 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 /* This file was created with the aid of ``gdbarch.sh''.
25 The Bourne shell script ``gdbarch.sh'' creates the files
26 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
27 against the existing ``gdbarch.[hc]''. Any differences found
30 If editing this file, please also run gdbarch.sh and merge any
31 changes into that script. Conversely, when making sweeping changes
32 to this file, modifying gdbarch.sh and using its output may prove
45 struct minimal_symbol
;
49 struct disassemble_info
;
52 struct bp_target_info
;
56 struct displaced_step_closure
;
60 struct stap_parse_info
;
62 struct ravenscar_arch_ops
;
63 struct elf_internal_linux_prpsinfo
;
71 /* The architecture associated with the inferior through the
72 connection to the target.
74 The architecture vector provides some information that is really a
75 property of the inferior, accessed through a particular target:
76 ptrace operations; the layout of certain RSP packets; the solib_ops
77 vector; etc. To differentiate architecture accesses to
78 per-inferior/target properties from
79 per-thread/per-frame/per-objfile properties, accesses to
80 per-inferior/target properties should be made through this
83 /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
84 extern struct gdbarch
*target_gdbarch (void);
86 /* Callback type for the 'iterate_over_objfiles_in_search_order'
89 typedef int (iterate_over_objfiles_in_search_order_cb_ftype
)
90 (struct objfile
*objfile
, void *cb_data
);
92 /* Callback type for regset section iterators. The callback usually
93 invokes the REGSET's supply or collect method, to which it must
94 pass a buffer with at least the given SIZE. SECT_NAME is a BFD
95 section name, and HUMAN_NAME is used for diagnostic messages.
96 CB_DATA should have been passed unchanged through the iterator. */
98 typedef void (iterate_over_regset_sections_cb
)
99 (const char *sect_name
, int size
, const struct regset
*regset
,
100 const char *human_name
, void *cb_data
);
103 /* The following are pre-initialized by GDBARCH. */
105 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
106 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
108 extern enum bfd_endian
gdbarch_byte_order (struct gdbarch
*gdbarch
);
109 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
111 extern enum bfd_endian
gdbarch_byte_order_for_code (struct gdbarch
*gdbarch
);
112 /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
114 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
115 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
117 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
118 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
121 /* The following are initialized by the target dependent code. */
123 /* The bit byte-order has to do just with numbering of bits in debugging symbols
124 and such. Conceptually, it's quite separate from byte/word byte order. */
126 extern int gdbarch_bits_big_endian (struct gdbarch
*gdbarch
);
127 extern void set_gdbarch_bits_big_endian (struct gdbarch
*gdbarch
, int bits_big_endian
);
129 /* Number of bits in a char or unsigned char for the target machine.
130 Just like CHAR_BIT in <limits.h> but describes the target machine.
131 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
133 Number of bits in a short or unsigned short for the target machine. */
135 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
136 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
138 /* Number of bits in an int or unsigned int for the target machine. */
140 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
141 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
143 /* Number of bits in a long or unsigned long for the target machine. */
145 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
146 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
148 /* Number of bits in a long long or unsigned long long for the target
151 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
152 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
154 /* Alignment of a long long or unsigned long long for the target
157 extern int gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
);
158 extern void set_gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
, int long_long_align_bit
);
160 /* The ABI default bit-size and format for "half", "float", "double", and
161 "long double". These bit/format pairs should eventually be combined
162 into a single object. For the moment, just initialize them as a pair.
163 Each format describes both the big and little endian layouts (if
166 extern int gdbarch_half_bit (struct gdbarch
*gdbarch
);
167 extern void set_gdbarch_half_bit (struct gdbarch
*gdbarch
, int half_bit
);
169 extern const struct floatformat
** gdbarch_half_format (struct gdbarch
*gdbarch
);
170 extern void set_gdbarch_half_format (struct gdbarch
*gdbarch
, const struct floatformat
** half_format
);
172 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
173 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
175 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
176 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
178 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
179 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
181 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
182 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
184 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
185 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
187 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
188 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
190 /* Returns the floating-point format to be used for values of length LENGTH.
191 NAME, if non-NULL, is the type name, which may be used to distinguish
192 different target formats of the same length. */
194 typedef const struct floatformat
** (gdbarch_floatformat_for_type_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int length
);
195 extern const struct floatformat
** gdbarch_floatformat_for_type (struct gdbarch
*gdbarch
, const char *name
, int length
);
196 extern void set_gdbarch_floatformat_for_type (struct gdbarch
*gdbarch
, gdbarch_floatformat_for_type_ftype
*floatformat_for_type
);
198 /* For most targets, a pointer on the target and its representation as an
199 address in GDB have the same size and "look the same". For such a
200 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
201 / addr_bit will be set from it.
203 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
204 also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
205 gdbarch_address_to_pointer as well.
207 ptr_bit is the size of a pointer on the target */
209 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
210 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
212 /* addr_bit is the size of a target address as represented in gdb */
214 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
215 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
217 /* dwarf2_addr_size is the target address size as used in the Dwarf debug
218 info. For .debug_frame FDEs, this is supposed to be the target address
219 size from the associated CU header, and which is equivalent to the
220 DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
221 Unfortunately there is no good way to determine this value. Therefore
222 dwarf2_addr_size simply defaults to the target pointer size.
224 dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
225 defined using the target's pointer size so far.
227 Note that dwarf2_addr_size only needs to be redefined by a target if the
228 GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
229 and if Dwarf versions < 4 need to be supported. */
231 extern int gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
);
232 extern void set_gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
, int dwarf2_addr_size
);
234 /* One if `char' acts like `signed char', zero if `unsigned char'. */
236 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
237 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
239 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
241 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (struct regcache
*regcache
);
242 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
243 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
245 extern int gdbarch_write_pc_p (struct gdbarch
*gdbarch
);
247 typedef void (gdbarch_write_pc_ftype
) (struct regcache
*regcache
, CORE_ADDR val
);
248 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR val
);
249 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
251 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
252 whole scheme for dealing with "frames" and "frame pointers" needs a
253 serious shakedown. */
255 typedef void (gdbarch_virtual_frame_pointer_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
256 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
257 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
259 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
261 typedef enum register_status (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
262 extern enum register_status
gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
263 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
265 /* Read a register into a new struct value. If the register is wholly
266 or partly unavailable, this should call mark_value_bytes_unavailable
267 as appropriate. If this is defined, then pseudo_register_read will
270 extern int gdbarch_pseudo_register_read_value_p (struct gdbarch
*gdbarch
);
272 typedef struct value
* (gdbarch_pseudo_register_read_value_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
273 extern struct value
* gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
274 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_value_ftype
*pseudo_register_read_value
);
276 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
278 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
279 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
280 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
282 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
283 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
285 /* This macro gives the number of pseudo-registers that live in the
286 register namespace but do not get fetched or stored on the target.
287 These pseudo-registers may be aliases for other registers,
288 combinations of other registers, or they may be computed by GDB. */
290 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
291 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
293 /* Assemble agent expression bytecode to collect pseudo-register REG.
294 Return -1 if something goes wrong, 0 otherwise. */
296 extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch
*gdbarch
);
298 typedef int (gdbarch_ax_pseudo_register_collect_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
299 extern int gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
300 extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_collect_ftype
*ax_pseudo_register_collect
);
302 /* Assemble agent expression bytecode to push the value of pseudo-register
303 REG on the interpreter stack.
304 Return -1 if something goes wrong, 0 otherwise. */
306 extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch
*gdbarch
);
308 typedef int (gdbarch_ax_pseudo_register_push_stack_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
309 extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
310 extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_push_stack_ftype
*ax_pseudo_register_push_stack
);
312 /* Some targets/architectures can do extra processing/display of
313 segmentation faults. E.g., Intel MPX boundary faults.
314 Call the architecture dependent function to handle the fault.
315 UIOUT is the output stream where the handler will place information. */
317 extern int gdbarch_handle_segmentation_fault_p (struct gdbarch
*gdbarch
);
319 typedef void (gdbarch_handle_segmentation_fault_ftype
) (struct gdbarch
*gdbarch
, struct ui_out
*uiout
);
320 extern void gdbarch_handle_segmentation_fault (struct gdbarch
*gdbarch
, struct ui_out
*uiout
);
321 extern void set_gdbarch_handle_segmentation_fault (struct gdbarch
*gdbarch
, gdbarch_handle_segmentation_fault_ftype
*handle_segmentation_fault
);
323 /* GDB's standard (or well known) register numbers. These can map onto
324 a real register or a pseudo (computed) register or not be defined at
326 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
328 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
329 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
331 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
332 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
334 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
335 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
337 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
338 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
340 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
342 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int stab_regnr
);
343 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
344 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
346 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
348 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int ecoff_regnr
);
349 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
350 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
352 /* Convert from an sdb register number to an internal gdb register number. */
354 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int sdb_regnr
);
355 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
356 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
358 /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM.
359 Return -1 for bad REGNUM. Note: Several targets get this wrong. */
361 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
362 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
363 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
365 typedef const char * (gdbarch_register_name_ftype
) (struct gdbarch
*gdbarch
, int regnr
);
366 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
367 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
369 /* Return the type of a register specified by the architecture. Only
370 the register cache should call this function directly; others should
371 use "register_type". */
373 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
375 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
376 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
377 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
379 extern int gdbarch_dummy_id_p (struct gdbarch
*gdbarch
);
381 typedef struct frame_id (gdbarch_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
382 extern struct frame_id
gdbarch_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
383 extern void set_gdbarch_dummy_id (struct gdbarch
*gdbarch
, gdbarch_dummy_id_ftype
*dummy_id
);
385 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
386 deprecated_fp_regnum. */
388 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
389 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
391 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
393 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
);
394 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
);
395 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
397 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
398 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
400 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
402 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
);
403 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
);
404 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
406 /* Return true if the code of FRAME is writable. */
408 typedef int (gdbarch_code_of_frame_writable_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
409 extern int gdbarch_code_of_frame_writable (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
410 extern void set_gdbarch_code_of_frame_writable (struct gdbarch
*gdbarch
, gdbarch_code_of_frame_writable_ftype
*code_of_frame_writable
);
412 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
413 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
414 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
416 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
417 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
418 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
420 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
422 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
423 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
424 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
426 /* MAP a GDB RAW register number onto a simulator register number. See
427 also include/...-sim.h. */
429 typedef int (gdbarch_register_sim_regno_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
430 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
431 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
433 typedef int (gdbarch_cannot_fetch_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
434 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
435 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
437 typedef int (gdbarch_cannot_store_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
438 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
439 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
441 /* Determine the address where a longjmp will land and save this address
442 in PC. Return nonzero on success.
444 FRAME corresponds to the longjmp frame. */
446 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
448 typedef int (gdbarch_get_longjmp_target_ftype
) (struct frame_info
*frame
, CORE_ADDR
*pc
);
449 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR
*pc
);
450 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
452 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
453 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
455 typedef int (gdbarch_convert_register_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
456 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
457 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
459 typedef int (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
, int *optimizedp
, int *unavailablep
);
460 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
);
461 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
463 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
464 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
465 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
467 /* Construct a value representing the contents of register REGNUM in
468 frame FRAME_ID, interpreted as type TYPE. The routine needs to
469 allocate and return a struct value with all value attributes
470 (but not the value contents) filled in. */
472 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
473 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
474 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
476 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
477 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
478 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
480 typedef void (gdbarch_address_to_pointer_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
481 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
482 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
484 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
486 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
487 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
488 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
490 /* Return the return-value convention that will be used by FUNCTION
491 to return a value of type VALTYPE. FUNCTION may be NULL in which
492 case the return convention is computed based only on VALTYPE.
494 If READBUF is not NULL, extract the return value and save it in this buffer.
496 If WRITEBUF is not NULL, it contains a return value which will be
497 stored into the appropriate register. This can be used when we want
498 to force the value returned by a function (see the "return" command
501 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
503 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
);
504 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
);
505 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
507 /* Return true if the return value of function is stored in the first hidden
508 parameter. In theory, this feature should be language-dependent, specified
509 by language and its ABI, such as C++. Unfortunately, compiler may
510 implement it to a target-dependent feature. So that we need such hook here
511 to be aware of this in GDB. */
513 typedef int (gdbarch_return_in_first_hidden_param_p_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
514 extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch
*gdbarch
, struct type
*type
);
515 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
);
517 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
518 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
519 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
521 extern int gdbarch_skip_main_prologue_p (struct gdbarch
*gdbarch
);
523 typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
524 extern CORE_ADDR
gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
525 extern void set_gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_main_prologue_ftype
*skip_main_prologue
);
527 /* On some platforms, a single function may provide multiple entry points,
528 e.g. one that is used for function-pointer calls and a different one
529 that is used for direct function calls.
530 In order to ensure that breakpoints set on the function will trigger
531 no matter via which entry point the function is entered, a platform
532 may provide the skip_entrypoint callback. It is called with IP set
533 to the main entry point of a function (as determined by the symbol table),
534 and should return the address of the innermost entry point, where the
535 actual breakpoint needs to be set. Note that skip_entrypoint is used
536 by GDB common code even when debugging optimized code, where skip_prologue
539 extern int gdbarch_skip_entrypoint_p (struct gdbarch
*gdbarch
);
541 typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
542 extern CORE_ADDR
gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
543 extern void set_gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, gdbarch_skip_entrypoint_ftype
*skip_entrypoint
);
545 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
546 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
547 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
549 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
550 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
551 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
553 /* Return the adjusted address and kind to use for Z0/Z1 packets.
554 KIND is usually the memory length of the breakpoint, but may have a
555 different target-specific meaning. */
557 typedef void (gdbarch_remote_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
558 extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
559 extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_remote_breakpoint_from_pc_ftype
*remote_breakpoint_from_pc
);
561 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
563 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
564 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
565 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
567 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
568 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
569 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
571 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
572 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
573 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
575 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
576 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
578 /* A function can be addressed by either it's "pointer" (possibly a
579 descriptor address) or "entry point" (first executable instruction).
580 The method "convert_from_func_ptr_addr" converting the former to the
581 latter. gdbarch_deprecated_function_start_offset is being used to implement
582 a simplified subset of that functionality - the function's address
583 corresponds to the "function pointer" and the function's start
584 corresponds to the "function entry point" - and hence is redundant. */
586 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
587 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
589 /* Return the remote protocol register number associated with this
590 register. Normally the identity mapping. */
592 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
593 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
594 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
596 /* Fetch the target specific address used to represent a load module. */
598 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
600 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
601 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
602 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
604 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
605 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
607 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
609 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
610 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
611 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
613 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
615 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
616 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
617 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
619 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
620 frame-base. Enable frame-base before frame-unwind. */
622 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
624 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
625 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
626 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
628 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
630 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
631 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
632 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
634 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
635 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
636 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
638 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
639 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
641 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
642 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
643 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
645 /* On some machines there are bits in addresses which are not really
646 part of the address, but are used by the kernel, the hardware, etc.
647 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
648 we get a "real" address such as one would find in a symbol table.
649 This is used only for addresses of instructions, and even then I'm
650 not sure it's used in all contexts. It exists to deal with there
651 being a few stray bits in the PC which would mislead us, not as some
652 sort of generic thing to handle alignment or segmentation (it's
653 possible it should be in TARGET_READ_PC instead). */
655 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
656 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
657 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
659 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
660 indicates if the target needs software single step. An ISA method to
663 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
664 target can single step. If not, then implement single step using breakpoints.
666 A return value of 1 means that the software_single_step breakpoints
667 were inserted; 0 means they were not. Multiple breakpoints may be
668 inserted for some instructions such as conditional branch. However,
669 each implementation must always evaluate the condition and only put
670 the breakpoint at the branch destination if the condition is true, so
671 that we ensure forward progress when stepping past a conditional
674 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
676 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
677 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
678 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
680 /* Return non-zero if the processor is executing a delay slot and a
681 further single-step is needed before the instruction finishes. */
683 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
685 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
686 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
687 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
689 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
690 disassembler. Perhaps objdump can handle it? */
692 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
693 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
694 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
696 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
697 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
698 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
700 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
701 evaluates non-zero, this is the address where the debugger will place
702 a step-resume breakpoint to get us past the dynamic linker. */
704 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
705 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
706 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
708 /* Some systems also have trampoline code for returning from shared libs. */
710 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
711 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
712 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
714 /* A target might have problems with watchpoints as soon as the stack
715 frame of the current function has been destroyed. This mostly happens
716 as the first action in a function's epilogue. stack_frame_destroyed_p()
717 is defined to return a non-zero value if either the given addr is one
718 instruction after the stack destroying instruction up to the trailing
719 return instruction or if we can figure out that the stack frame has
720 already been invalidated regardless of the value of addr. Targets
721 which don't suffer from that problem could just let this functionality
724 typedef int (gdbarch_stack_frame_destroyed_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
725 extern int gdbarch_stack_frame_destroyed_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
726 extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch
*gdbarch
, gdbarch_stack_frame_destroyed_p_ftype
*stack_frame_destroyed_p
);
728 /* Process an ELF symbol in the minimal symbol table in a backend-specific
729 way. Normally this hook is supposed to do nothing, however if required,
730 then this hook can be used to apply tranformations to symbols that are
731 considered special in some way. For example the MIPS backend uses it
732 to interpret `st_other' information to mark compressed code symbols so
733 that they can be treated in the appropriate manner in the processing of
734 the main symbol table and DWARF-2 records. */
736 extern int gdbarch_elf_make_msymbol_special_p (struct gdbarch
*gdbarch
);
738 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
739 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
740 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
742 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
743 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
744 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
746 /* Process a symbol in the main symbol table in a backend-specific way.
747 Normally this hook is supposed to do nothing, however if required,
748 then this hook can be used to apply tranformations to symbols that
749 are considered special in some way. This is currently used by the
750 MIPS backend to make sure compressed code symbols have the ISA bit
751 set. This in turn is needed for symbol values seen in GDB to match
752 the values used at the runtime by the program itself, for function
753 and label references. */
755 typedef void (gdbarch_make_symbol_special_ftype
) (struct symbol
*sym
, struct objfile
*objfile
);
756 extern void gdbarch_make_symbol_special (struct gdbarch
*gdbarch
, struct symbol
*sym
, struct objfile
*objfile
);
757 extern void set_gdbarch_make_symbol_special (struct gdbarch
*gdbarch
, gdbarch_make_symbol_special_ftype
*make_symbol_special
);
759 /* Adjust the address retrieved from a DWARF-2 record other than a line
760 entry in a backend-specific way. Normally this hook is supposed to
761 return the address passed unchanged, however if that is incorrect for
762 any reason, then this hook can be used to fix the address up in the
763 required manner. This is currently used by the MIPS backend to make
764 sure addresses in FDE, range records, etc. referring to compressed
765 code have the ISA bit set, matching line information and the symbol
768 typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype
) (CORE_ADDR pc
);
769 extern CORE_ADDR
gdbarch_adjust_dwarf2_addr (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
770 extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch
*gdbarch
, gdbarch_adjust_dwarf2_addr_ftype
*adjust_dwarf2_addr
);
772 /* Adjust the address updated by a line entry in a backend-specific way.
773 Normally this hook is supposed to return the address passed unchanged,
774 however in the case of inconsistencies in these records, this hook can
775 be used to fix them up in the required manner. This is currently used
776 by the MIPS backend to make sure all line addresses in compressed code
777 are presented with the ISA bit set, which is not always the case. This
778 in turn ensures breakpoint addresses are correctly matched against the
781 typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype
) (CORE_ADDR addr
, int rel
);
782 extern CORE_ADDR
gdbarch_adjust_dwarf2_line (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int rel
);
783 extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch
*gdbarch
, gdbarch_adjust_dwarf2_line_ftype
*adjust_dwarf2_line
);
785 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
786 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
788 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
789 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
791 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
793 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
794 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
795 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
797 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
799 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
800 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
801 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
);
803 /* Return the appropriate type_flags for the supplied address class.
804 This function should return 1 if the address class was recognized and
805 type_flags was set, zero otherwise. */
807 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
809 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
810 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
811 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
);
813 /* Is a register in a group */
815 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
816 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
817 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
819 /* Fetch the pointer to the ith function argument. */
821 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
823 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
824 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
825 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
827 /* Iterate over all supported register notes in a core file. For each
828 supported register note section, the iterator must call CB and pass
829 CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit
830 the supported register note sections based on the current register
831 values. Otherwise it should enumerate all supported register note
834 extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch
*gdbarch
);
836 typedef void (gdbarch_iterate_over_regset_sections_ftype
) (struct gdbarch
*gdbarch
, iterate_over_regset_sections_cb
*cb
, void *cb_data
, const struct regcache
*regcache
);
837 extern void gdbarch_iterate_over_regset_sections (struct gdbarch
*gdbarch
, iterate_over_regset_sections_cb
*cb
, void *cb_data
, const struct regcache
*regcache
);
838 extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch
*gdbarch
, gdbarch_iterate_over_regset_sections_ftype
*iterate_over_regset_sections
);
840 /* Create core file notes */
842 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
844 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
845 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
846 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
848 /* The elfcore writer hook to use to write Linux prpsinfo notes to core
849 files. Most Linux architectures use the same prpsinfo32 or
850 prpsinfo64 layouts, and so won't need to provide this hook, as we
851 call the Linux generic routines in bfd to write prpsinfo notes by
854 extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch
*gdbarch
);
856 typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype
) (bfd
*obfd
, char *note_data
, int *note_size
, const struct elf_internal_linux_prpsinfo
*info
);
857 extern char * gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch
*gdbarch
, bfd
*obfd
, char *note_data
, int *note_size
, const struct elf_internal_linux_prpsinfo
*info
);
858 extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch
*gdbarch
, gdbarch_elfcore_write_linux_prpsinfo_ftype
*elfcore_write_linux_prpsinfo
);
860 /* Find core file memory regions */
862 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
864 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
865 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
866 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
868 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
869 core file into buffer READBUF with length LEN. Return the number of bytes read
870 (zero indicates failure).
871 failed, otherwise, return the red length of READBUF. */
873 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
875 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
876 extern ULONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
877 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
879 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared
880 libraries list from core file into buffer READBUF with length LEN.
881 Return the number of bytes read (zero indicates failure). */
883 extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch
*gdbarch
);
885 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
886 extern ULONGEST
gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
887 extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_aix_ftype
*core_xfer_shared_libraries_aix
);
889 /* How the core target converts a PTID from a core file to a string. */
891 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
893 typedef char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
894 extern char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
895 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
897 /* How the core target extracts the name of a thread from a core file. */
899 extern int gdbarch_core_thread_name_p (struct gdbarch
*gdbarch
);
901 typedef const char * (gdbarch_core_thread_name_ftype
) (struct gdbarch
*gdbarch
, struct thread_info
*thr
);
902 extern const char * gdbarch_core_thread_name (struct gdbarch
*gdbarch
, struct thread_info
*thr
);
903 extern void set_gdbarch_core_thread_name (struct gdbarch
*gdbarch
, gdbarch_core_thread_name_ftype
*core_thread_name
);
905 /* BFD target to use when generating a core file. */
907 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
909 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
910 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
912 /* If the elements of C++ vtables are in-place function descriptors rather
913 than normal function pointers (which may point to code or a descriptor),
916 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
917 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
919 /* Set if the least significant bit of the delta is used instead of the least
920 significant bit of the pfn for pointers to virtual member functions. */
922 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
923 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
925 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
927 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
928 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
929 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
931 /* The maximum length of an instruction on this architecture in bytes. */
933 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
935 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
936 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
938 /* Copy the instruction at FROM to TO, and make any adjustments
939 necessary to single-step it at that address.
941 REGS holds the state the thread's registers will have before
942 executing the copied instruction; the PC in REGS will refer to FROM,
943 not the copy at TO. The caller should update it to point at TO later.
945 Return a pointer to data of the architecture's choice to be passed
946 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
947 the instruction's effects have been completely simulated, with the
948 resulting state written back to REGS.
950 For a general explanation of displaced stepping and how GDB uses it,
951 see the comments in infrun.c.
953 The TO area is only guaranteed to have space for
954 gdbarch_max_insn_length (arch) bytes, so this function must not
955 write more bytes than that to that area.
957 If you do not provide this function, GDB assumes that the
958 architecture does not support displaced stepping.
960 If your architecture doesn't need to adjust instructions before
961 single-stepping them, consider using simple_displaced_step_copy_insn
964 If the instruction cannot execute out of line, return NULL. The
965 core falls back to stepping past the instruction in-line instead in
968 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
970 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
971 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
972 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
974 /* Return true if GDB should use hardware single-stepping to execute
975 the displaced instruction identified by CLOSURE. If false,
976 GDB will simply restart execution at the displaced instruction
977 location, and it is up to the target to ensure GDB will receive
978 control again (e.g. by placing a software breakpoint instruction
979 into the displaced instruction buffer).
981 The default implementation returns false on all targets that
982 provide a gdbarch_software_single_step routine, and true otherwise. */
984 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
985 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
986 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
988 /* Fix up the state resulting from successfully single-stepping a
989 displaced instruction, to give the result we would have gotten from
990 stepping the instruction in its original location.
992 REGS is the register state resulting from single-stepping the
993 displaced instruction.
995 CLOSURE is the result from the matching call to
996 gdbarch_displaced_step_copy_insn.
998 If you provide gdbarch_displaced_step_copy_insn.but not this
999 function, then GDB assumes that no fixup is needed after
1000 single-stepping the instruction.
1002 For a general explanation of displaced stepping and how GDB uses it,
1003 see the comments in infrun.c. */
1005 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
1007 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
1008 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
1009 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
1011 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
1013 If you provide gdbarch_displaced_step_copy_insn, you must provide
1014 this function as well.
1016 If your architecture uses closures that don't need to be freed, then
1017 you can use simple_displaced_step_free_closure here.
1019 For a general explanation of displaced stepping and how GDB uses it,
1020 see the comments in infrun.c. */
1022 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
1023 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
1024 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
1026 /* Return the address of an appropriate place to put displaced
1027 instructions while we step over them. There need only be one such
1028 place, since we're only stepping one thread over a breakpoint at a
1031 For a general explanation of displaced stepping and how GDB uses it,
1032 see the comments in infrun.c. */
1034 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
1035 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
1036 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
1038 /* Relocate an instruction to execute at a different address. OLDLOC
1039 is the address in the inferior memory where the instruction to
1040 relocate is currently at. On input, TO points to the destination
1041 where we want the instruction to be copied (and possibly adjusted)
1042 to. On output, it points to one past the end of the resulting
1043 instruction(s). The effect of executing the instruction at TO shall
1044 be the same as if executing it at FROM. For example, call
1045 instructions that implicitly push the return address on the stack
1046 should be adjusted to return to the instruction after OLDLOC;
1047 relative branches, and other PC-relative instructions need the
1048 offset adjusted; etc. */
1050 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
1052 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
1053 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
1054 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
1056 /* Refresh overlay mapped state for section OSECT. */
1058 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
1060 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
1061 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
1062 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
1064 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
1066 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
1067 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
1068 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
1070 /* Handle special encoding of static variables in stabs debug info. */
1072 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
1074 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
1075 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
1076 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
1078 /* Set if the address in N_SO or N_FUN stabs may be zero. */
1080 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
1081 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
1083 /* Parse the instruction at ADDR storing in the record execution log
1084 the registers REGCACHE and memory ranges that will be affected when
1085 the instruction executes, along with their current values.
1086 Return -1 if something goes wrong, 0 otherwise. */
1088 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
1090 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1091 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1092 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
1094 /* Save process state after a signal.
1095 Return -1 if something goes wrong, 0 otherwise. */
1097 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
1099 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
1100 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
1101 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
1103 /* Signal translation: translate inferior's signal (target's) number
1104 into GDB's representation. The implementation of this method must
1105 be host independent. IOW, don't rely on symbols of the NAT_FILE
1106 header (the nm-*.h files), the host <signal.h> header, or similar
1107 headers. This is mainly used when cross-debugging core files ---
1108 "Live" targets hide the translation behind the target interface
1109 (target_wait, target_resume, etc.). */
1111 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
1113 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
1114 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
1115 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
1117 /* Signal translation: translate the GDB's internal signal number into
1118 the inferior's signal (target's) representation. The implementation
1119 of this method must be host independent. IOW, don't rely on symbols
1120 of the NAT_FILE header (the nm-*.h files), the host <signal.h>
1121 header, or similar headers.
1122 Return the target signal number if found, or -1 if the GDB internal
1123 signal number is invalid. */
1125 extern int gdbarch_gdb_signal_to_target_p (struct gdbarch
*gdbarch
);
1127 typedef int (gdbarch_gdb_signal_to_target_ftype
) (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1128 extern int gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1129 extern void set_gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_to_target_ftype
*gdb_signal_to_target
);
1131 /* Extra signal info inspection.
1133 Return a type suitable to inspect extra signal information. */
1135 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
1137 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
1138 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
1139 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
1141 /* Record architecture-specific information from the symbol table. */
1143 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
1145 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1146 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1147 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
1149 /* Function for the 'catch syscall' feature.
1150 Get architecture-specific system calls information from registers. */
1152 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
1154 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
1155 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
1156 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
1158 /* The filename of the XML syscall for this architecture. */
1160 extern const char * gdbarch_xml_syscall_file (struct gdbarch
*gdbarch
);
1161 extern void set_gdbarch_xml_syscall_file (struct gdbarch
*gdbarch
, const char * xml_syscall_file
);
1163 /* Information about system calls from this architecture */
1165 extern struct syscalls_info
* gdbarch_syscalls_info (struct gdbarch
*gdbarch
);
1166 extern void set_gdbarch_syscalls_info (struct gdbarch
*gdbarch
, struct syscalls_info
* syscalls_info
);
1168 /* SystemTap related fields and functions.
1169 A NULL-terminated array of prefixes used to mark an integer constant
1170 on the architecture's assembly.
1171 For example, on x86 integer constants are written as:
1173 $10 ;; integer constant 10
1175 in this case, this prefix would be the character `$'. */
1177 extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
);
1178 extern void set_gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_prefixes
);
1180 /* A NULL-terminated array of suffixes used to mark an integer constant
1181 on the architecture's assembly. */
1183 extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
);
1184 extern void set_gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_suffixes
);
1186 /* A NULL-terminated array of prefixes used to mark a register name on
1187 the architecture's assembly.
1188 For example, on x86 the register name is written as:
1190 %eax ;; register eax
1192 in this case, this prefix would be the character `%'. */
1194 extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
);
1195 extern void set_gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_prefixes
);
1197 /* A NULL-terminated array of suffixes used to mark a register name on
1198 the architecture's assembly. */
1200 extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
);
1201 extern void set_gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_suffixes
);
1203 /* A NULL-terminated array of prefixes used to mark a register
1204 indirection on the architecture's assembly.
1205 For example, on x86 the register indirection is written as:
1207 (%eax) ;; indirecting eax
1209 in this case, this prefix would be the charater `('.
1211 Please note that we use the indirection prefix also for register
1212 displacement, e.g., `4(%eax)' on x86. */
1214 extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
);
1215 extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_prefixes
);
1217 /* A NULL-terminated array of suffixes used to mark a register
1218 indirection on the architecture's assembly.
1219 For example, on x86 the register indirection is written as:
1221 (%eax) ;; indirecting eax
1223 in this case, this prefix would be the charater `)'.
1225 Please note that we use the indirection suffix also for register
1226 displacement, e.g., `4(%eax)' on x86. */
1228 extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
);
1229 extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_suffixes
);
1231 /* Prefix(es) used to name a register using GDB's nomenclature.
1233 For example, on PPC a register is represented by a number in the assembly
1234 language (e.g., `10' is the 10th general-purpose register). However,
1235 inside GDB this same register has an `r' appended to its name, so the 10th
1236 register would be represented as `r10' internally. */
1238 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1239 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1241 /* Suffix used to name a register using GDB's nomenclature. */
1243 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1244 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1246 /* Check if S is a single operand.
1248 Single operands can be:
1249 - Literal integers, e.g. `$10' on x86
1250 - Register access, e.g. `%eax' on x86
1251 - Register indirection, e.g. `(%eax)' on x86
1252 - Register displacement, e.g. `4(%eax)' on x86
1254 This function should check for these patterns on the string
1255 and return 1 if some were found, or zero otherwise. Please try to match
1256 as much info as you can from the string, i.e., if you have to match
1257 something like `(%', do not match just the `('. */
1259 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1261 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1262 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1263 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1265 /* Function used to handle a "special case" in the parser.
1267 A "special case" is considered to be an unknown token, i.e., a token
1268 that the parser does not know how to parse. A good example of special
1269 case would be ARM's register displacement syntax:
1271 [R0, #4] ;; displacing R0 by 4
1273 Since the parser assumes that a register displacement is of the form:
1275 <number> <indirection_prefix> <register_name> <indirection_suffix>
1277 it means that it will not be able to recognize and parse this odd syntax.
1278 Therefore, we should add a special case function that will handle this token.
1280 This function should generate the proper expression form of the expression
1281 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1282 and so on). It should also return 1 if the parsing was successful, or zero
1283 if the token was not recognized as a special token (in this case, returning
1284 zero means that the special parser is deferring the parsing to the generic
1285 parser), and should advance the buffer pointer (p->arg). */
1287 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1289 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1290 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1291 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1293 /* DTrace related functions.
1294 The expression to compute the NARTGth+1 argument to a DTrace USDT probe.
1295 NARG must be >= 0. */
1297 extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch
*gdbarch
);
1299 typedef void (gdbarch_dtrace_parse_probe_argument_ftype
) (struct gdbarch
*gdbarch
, struct parser_state
*pstate
, int narg
);
1300 extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch
*gdbarch
, struct parser_state
*pstate
, int narg
);
1301 extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch
*gdbarch
, gdbarch_dtrace_parse_probe_argument_ftype
*dtrace_parse_probe_argument
);
1303 /* True if the given ADDR does not contain the instruction sequence
1304 corresponding to a disabled DTrace is-enabled probe. */
1306 extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch
*gdbarch
);
1308 typedef int (gdbarch_dtrace_probe_is_enabled_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1309 extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1310 extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch
*gdbarch
, gdbarch_dtrace_probe_is_enabled_ftype
*dtrace_probe_is_enabled
);
1312 /* Enable a DTrace is-enabled probe at ADDR. */
1314 extern int gdbarch_dtrace_enable_probe_p (struct gdbarch
*gdbarch
);
1316 typedef void (gdbarch_dtrace_enable_probe_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1317 extern void gdbarch_dtrace_enable_probe (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1318 extern void set_gdbarch_dtrace_enable_probe (struct gdbarch
*gdbarch
, gdbarch_dtrace_enable_probe_ftype
*dtrace_enable_probe
);
1320 /* Disable a DTrace is-enabled probe at ADDR. */
1322 extern int gdbarch_dtrace_disable_probe_p (struct gdbarch
*gdbarch
);
1324 typedef void (gdbarch_dtrace_disable_probe_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1325 extern void gdbarch_dtrace_disable_probe (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1326 extern void set_gdbarch_dtrace_disable_probe (struct gdbarch
*gdbarch
, gdbarch_dtrace_disable_probe_ftype
*dtrace_disable_probe
);
1328 /* True if the list of shared libraries is one and only for all
1329 processes, as opposed to a list of shared libraries per inferior.
1330 This usually means that all processes, although may or may not share
1331 an address space, will see the same set of symbols at the same
1334 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1335 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1337 /* On some targets, even though each inferior has its own private
1338 address space, the debug interface takes care of making breakpoints
1339 visible to all address spaces automatically. For such cases,
1340 this property should be set to true. */
1342 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1343 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1345 /* True if inferiors share an address space (e.g., uClinux). */
1347 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1348 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1349 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1351 /* True if a fast tracepoint can be set at an address. */
1353 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, char **msg
);
1354 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, char **msg
);
1355 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1357 /* Guess register state based on tracepoint location. Used for tracepoints
1358 where no registers have been collected, but there's only one location,
1359 allowing us to guess the PC value, and perhaps some other registers.
1360 On entry, regcache has all registers marked as unavailable. */
1362 typedef void (gdbarch_guess_tracepoint_registers_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1363 extern void gdbarch_guess_tracepoint_registers (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1364 extern void set_gdbarch_guess_tracepoint_registers (struct gdbarch
*gdbarch
, gdbarch_guess_tracepoint_registers_ftype
*guess_tracepoint_registers
);
1366 /* Return the "auto" target charset. */
1368 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1369 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1370 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1372 /* Return the "auto" target wide charset. */
1374 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1375 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1376 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1378 /* If non-empty, this is a file extension that will be opened in place
1379 of the file extension reported by the shared library list.
1381 This is most useful for toolchains that use a post-linker tool,
1382 where the names of the files run on the target differ in extension
1383 compared to the names of the files GDB should load for debug info. */
1385 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1386 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1388 /* If true, the target OS has DOS-based file system semantics. That
1389 is, absolute paths include a drive name, and the backslash is
1390 considered a directory separator. */
1392 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1393 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1395 /* Generate bytecodes to collect the return address in a frame.
1396 Since the bytecodes run on the target, possibly with GDB not even
1397 connected, the full unwinding machinery is not available, and
1398 typically this function will issue bytecodes for one or more likely
1399 places that the return address may be found. */
1401 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1402 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1403 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1405 /* Implement the "info proc" command. */
1407 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1409 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1410 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1411 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1413 /* Implement the "info proc" command for core files. Noe that there
1414 are two "info_proc"-like methods on gdbarch -- one for core files,
1415 one for live targets. */
1417 extern int gdbarch_core_info_proc_p (struct gdbarch
*gdbarch
);
1419 typedef void (gdbarch_core_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1420 extern void gdbarch_core_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1421 extern void set_gdbarch_core_info_proc (struct gdbarch
*gdbarch
, gdbarch_core_info_proc_ftype
*core_info_proc
);
1423 /* Iterate over all objfiles in the order that makes the most sense
1424 for the architecture to make global symbol searches.
1426 CB is a callback function where OBJFILE is the objfile to be searched,
1427 and CB_DATA a pointer to user-defined data (the same data that is passed
1428 when calling this gdbarch method). The iteration stops if this function
1431 CB_DATA is a pointer to some user-defined data to be passed to
1434 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1435 inspected when the symbol search was requested. */
1437 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
);
1438 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
);
1439 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
);
1441 /* Ravenscar arch-dependent ops. */
1443 extern struct ravenscar_arch_ops
* gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
);
1444 extern void set_gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
, struct ravenscar_arch_ops
* ravenscar_ops
);
1446 /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */
1448 typedef int (gdbarch_insn_is_call_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1449 extern int gdbarch_insn_is_call (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1450 extern void set_gdbarch_insn_is_call (struct gdbarch
*gdbarch
, gdbarch_insn_is_call_ftype
*insn_is_call
);
1452 /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */
1454 typedef int (gdbarch_insn_is_ret_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1455 extern int gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1456 extern void set_gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, gdbarch_insn_is_ret_ftype
*insn_is_ret
);
1458 /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */
1460 typedef int (gdbarch_insn_is_jump_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1461 extern int gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1462 extern void set_gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, gdbarch_insn_is_jump_ftype
*insn_is_jump
);
1464 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
1465 Return 0 if *READPTR is already at the end of the buffer.
1466 Return -1 if there is insufficient buffer for a whole entry.
1467 Return 1 if an entry was read into *TYPEP and *VALP. */
1469 extern int gdbarch_auxv_parse_p (struct gdbarch
*gdbarch
);
1471 typedef int (gdbarch_auxv_parse_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1472 extern int gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1473 extern void set_gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdbarch_auxv_parse_ftype
*auxv_parse
);
1475 /* Print the description of a single auxv entry described by TYPE and VAL
1478 typedef void (gdbarch_print_auxv_entry_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, CORE_ADDR type
, CORE_ADDR val
);
1479 extern void gdbarch_print_auxv_entry (struct gdbarch
*gdbarch
, struct ui_file
*file
, CORE_ADDR type
, CORE_ADDR val
);
1480 extern void set_gdbarch_print_auxv_entry (struct gdbarch
*gdbarch
, gdbarch_print_auxv_entry_ftype
*print_auxv_entry
);
1482 /* Find the address range of the current inferior's vsyscall/vDSO, and
1483 write it to *RANGE. If the vsyscall's length can't be determined, a
1484 range with zero length is returned. Returns true if the vsyscall is
1485 found, false otherwise. */
1487 typedef int (gdbarch_vsyscall_range_ftype
) (struct gdbarch
*gdbarch
, struct mem_range
*range
);
1488 extern int gdbarch_vsyscall_range (struct gdbarch
*gdbarch
, struct mem_range
*range
);
1489 extern void set_gdbarch_vsyscall_range (struct gdbarch
*gdbarch
, gdbarch_vsyscall_range_ftype
*vsyscall_range
);
1491 /* Allocate SIZE bytes of PROT protected page aligned memory in inferior.
1492 PROT has GDB_MMAP_PROT_* bitmask format.
1493 Throw an error if it is not possible. Returned address is always valid. */
1495 typedef CORE_ADDR (gdbarch_infcall_mmap_ftype
) (CORE_ADDR size
, unsigned prot
);
1496 extern CORE_ADDR
gdbarch_infcall_mmap (struct gdbarch
*gdbarch
, CORE_ADDR size
, unsigned prot
);
1497 extern void set_gdbarch_infcall_mmap (struct gdbarch
*gdbarch
, gdbarch_infcall_mmap_ftype
*infcall_mmap
);
1499 /* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap.
1500 Print a warning if it is not possible. */
1502 typedef void (gdbarch_infcall_munmap_ftype
) (CORE_ADDR addr
, CORE_ADDR size
);
1503 extern void gdbarch_infcall_munmap (struct gdbarch
*gdbarch
, CORE_ADDR addr
, CORE_ADDR size
);
1504 extern void set_gdbarch_infcall_munmap (struct gdbarch
*gdbarch
, gdbarch_infcall_munmap_ftype
*infcall_munmap
);
1506 /* Return string (caller has to use xfree for it) with options for GCC
1507 to produce code for this target, typically "-m64", "-m32" or "-m31".
1508 These options are put before CU's DW_AT_producer compilation options so that
1509 they can override it. Method may also return NULL. */
1511 typedef char * (gdbarch_gcc_target_options_ftype
) (struct gdbarch
*gdbarch
);
1512 extern char * gdbarch_gcc_target_options (struct gdbarch
*gdbarch
);
1513 extern void set_gdbarch_gcc_target_options (struct gdbarch
*gdbarch
, gdbarch_gcc_target_options_ftype
*gcc_target_options
);
1515 /* Return a regular expression that matches names used by this
1516 architecture in GNU configury triplets. The result is statically
1517 allocated and must not be freed. The default implementation simply
1518 returns the BFD architecture name, which is correct in nearly every
1521 typedef const char * (gdbarch_gnu_triplet_regexp_ftype
) (struct gdbarch
*gdbarch
);
1522 extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch
*gdbarch
);
1523 extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch
*gdbarch
, gdbarch_gnu_triplet_regexp_ftype
*gnu_triplet_regexp
);
1525 /* Return the size in 8-bit bytes of an addressable memory unit on this
1526 architecture. This corresponds to the number of 8-bit bytes associated to
1527 each address in memory. */
1529 typedef int (gdbarch_addressable_memory_unit_size_ftype
) (struct gdbarch
*gdbarch
);
1530 extern int gdbarch_addressable_memory_unit_size (struct gdbarch
*gdbarch
);
1531 extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch
*gdbarch
, gdbarch_addressable_memory_unit_size_ftype
*addressable_memory_unit_size
);
1533 /* Definition for an unknown syscall, used basically in error-cases. */
1534 #define UNKNOWN_SYSCALL (-1)
1536 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1539 /* Mechanism for co-ordinating the selection of a specific
1542 GDB targets (*-tdep.c) can register an interest in a specific
1543 architecture. Other GDB components can register a need to maintain
1544 per-architecture data.
1546 The mechanisms below ensures that there is only a loose connection
1547 between the set-architecture command and the various GDB
1548 components. Each component can independently register their need
1549 to maintain architecture specific data with gdbarch.
1553 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1556 The more traditional mega-struct containing architecture specific
1557 data for all the various GDB components was also considered. Since
1558 GDB is built from a variable number of (fairly independent)
1559 components it was determined that the global aproach was not
1563 /* Register a new architectural family with GDB.
1565 Register support for the specified ARCHITECTURE with GDB. When
1566 gdbarch determines that the specified architecture has been
1567 selected, the corresponding INIT function is called.
1571 The INIT function takes two parameters: INFO which contains the
1572 information available to gdbarch about the (possibly new)
1573 architecture; ARCHES which is a list of the previously created
1574 ``struct gdbarch'' for this architecture.
1576 The INFO parameter is, as far as possible, be pre-initialized with
1577 information obtained from INFO.ABFD or the global defaults.
1579 The ARCHES parameter is a linked list (sorted most recently used)
1580 of all the previously created architures for this architecture
1581 family. The (possibly NULL) ARCHES->gdbarch can used to access
1582 values from the previously selected architecture for this
1583 architecture family.
1585 The INIT function shall return any of: NULL - indicating that it
1586 doesn't recognize the selected architecture; an existing ``struct
1587 gdbarch'' from the ARCHES list - indicating that the new
1588 architecture is just a synonym for an earlier architecture (see
1589 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1590 - that describes the selected architecture (see gdbarch_alloc()).
1592 The DUMP_TDEP function shall print out all target specific values.
1593 Care should be taken to ensure that the function works in both the
1594 multi-arch and non- multi-arch cases. */
1598 struct gdbarch
*gdbarch
;
1599 struct gdbarch_list
*next
;
1604 /* Use default: NULL (ZERO). */
1605 const struct bfd_arch_info
*bfd_arch_info
;
1607 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1608 enum bfd_endian byte_order
;
1610 enum bfd_endian byte_order_for_code
;
1612 /* Use default: NULL (ZERO). */
1615 /* Use default: NULL (ZERO). */
1618 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1619 enum gdb_osabi osabi
;
1621 /* Use default: NULL (ZERO). */
1622 const struct target_desc
*target_desc
;
1625 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1626 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1628 /* DEPRECATED - use gdbarch_register() */
1629 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1631 extern void gdbarch_register (enum bfd_architecture architecture
,
1632 gdbarch_init_ftype
*,
1633 gdbarch_dump_tdep_ftype
*);
1636 /* Return a freshly allocated, NULL terminated, array of the valid
1637 architecture names. Since architectures are registered during the
1638 _initialize phase this function only returns useful information
1639 once initialization has been completed. */
1641 extern const char **gdbarch_printable_names (void);
1644 /* Helper function. Search the list of ARCHES for a GDBARCH that
1645 matches the information provided by INFO. */
1647 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1650 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1651 basic initialization using values obtained from the INFO and TDEP
1652 parameters. set_gdbarch_*() functions are called to complete the
1653 initialization of the object. */
1655 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1658 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1659 It is assumed that the caller freeds the ``struct
1662 extern void gdbarch_free (struct gdbarch
*);
1665 /* Helper function. Allocate memory from the ``struct gdbarch''
1666 obstack. The memory is freed when the corresponding architecture
1669 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1670 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1671 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1673 /* Duplicate STRING, returning an equivalent string that's allocated on the
1674 obstack associated with GDBARCH. The string is freed when the corresponding
1675 architecture is also freed. */
1677 extern char *gdbarch_obstack_strdup (struct gdbarch
*arch
, const char *string
);
1679 /* Helper function. Force an update of the current architecture.
1681 The actual architecture selected is determined by INFO, ``(gdb) set
1682 architecture'' et.al., the existing architecture and BFD's default
1683 architecture. INFO should be initialized to zero and then selected
1684 fields should be updated.
1686 Returns non-zero if the update succeeds. */
1688 extern int gdbarch_update_p (struct gdbarch_info info
);
1691 /* Helper function. Find an architecture matching info.
1693 INFO should be initialized using gdbarch_info_init, relevant fields
1694 set, and then finished using gdbarch_info_fill.
1696 Returns the corresponding architecture, or NULL if no matching
1697 architecture was found. */
1699 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1702 /* Helper function. Set the target gdbarch to "gdbarch". */
1704 extern void set_target_gdbarch (struct gdbarch
*gdbarch
);
1707 /* Register per-architecture data-pointer.
1709 Reserve space for a per-architecture data-pointer. An identifier
1710 for the reserved data-pointer is returned. That identifer should
1711 be saved in a local static variable.
1713 Memory for the per-architecture data shall be allocated using
1714 gdbarch_obstack_zalloc. That memory will be deleted when the
1715 corresponding architecture object is deleted.
1717 When a previously created architecture is re-selected, the
1718 per-architecture data-pointer for that previous architecture is
1719 restored. INIT() is not re-called.
1721 Multiple registrarants for any architecture are allowed (and
1722 strongly encouraged). */
1724 struct gdbarch_data
;
1726 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1727 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1728 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1729 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1730 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1731 struct gdbarch_data
*data
,
1734 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1737 /* Set the dynamic target-system-dependent parameters (architecture,
1738 byte-order, ...) using information found in the BFD. */
1740 extern void set_gdbarch_from_file (bfd
*);
1743 /* Initialize the current architecture to the "first" one we find on
1746 extern void initialize_current_architecture (void);
1748 /* gdbarch trace variable */
1749 extern unsigned int gdbarch_debug
;
1751 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);