1 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
4 /* Dynamic architecture support for GDB, the GNU debugger.
6 Copyright (C) 1998-2014 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
;
54 struct displaced_step_closure
;
55 struct core_regset_section
;
59 struct stap_parse_info
;
60 struct ravenscar_arch_ops
;
61 struct elf_internal_linux_prpsinfo
;
64 /* The architecture associated with the inferior through the
65 connection to the target.
67 The architecture vector provides some information that is really a
68 property of the inferior, accessed through a particular target:
69 ptrace operations; the layout of certain RSP packets; the solib_ops
70 vector; etc. To differentiate architecture accesses to
71 per-inferior/target properties from
72 per-thread/per-frame/per-objfile properties, accesses to
73 per-inferior/target properties should be made through this
76 /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
77 extern struct gdbarch
*target_gdbarch (void);
79 /* Callback type for the 'iterate_over_objfiles_in_search_order'
82 typedef int (iterate_over_objfiles_in_search_order_cb_ftype
)
83 (struct objfile
*objfile
, void *cb_data
);
85 typedef void (iterate_over_regset_sections_cb
)
86 (const char *sect_name
, int size
, const struct regset
*regset
,
87 const char *human_name
, void *cb_data
);
90 /* The following are pre-initialized by GDBARCH. */
92 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
93 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
95 extern enum bfd_endian
gdbarch_byte_order (struct gdbarch
*gdbarch
);
96 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
98 extern enum bfd_endian
gdbarch_byte_order_for_code (struct gdbarch
*gdbarch
);
99 /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
101 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
102 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
104 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
105 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
108 /* The following are initialized by the target dependent code. */
110 /* The bit byte-order has to do just with numbering of bits in debugging symbols
111 and such. Conceptually, it's quite separate from byte/word byte order. */
113 extern int gdbarch_bits_big_endian (struct gdbarch
*gdbarch
);
114 extern void set_gdbarch_bits_big_endian (struct gdbarch
*gdbarch
, int bits_big_endian
);
116 /* Number of bits in a char or unsigned char for the target machine.
117 Just like CHAR_BIT in <limits.h> but describes the target machine.
118 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
120 Number of bits in a short or unsigned short for the target machine. */
122 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
123 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
125 /* Number of bits in an int or unsigned int for the target machine. */
127 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
128 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
130 /* Number of bits in a long or unsigned long for the target machine. */
132 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
133 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
135 /* Number of bits in a long long or unsigned long long for the target
138 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
139 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
141 /* Alignment of a long long or unsigned long long for the target
144 extern int gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
);
145 extern void set_gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
, int long_long_align_bit
);
147 /* The ABI default bit-size and format for "half", "float", "double", and
148 "long double". These bit/format pairs should eventually be combined
149 into a single object. For the moment, just initialize them as a pair.
150 Each format describes both the big and little endian layouts (if
153 extern int gdbarch_half_bit (struct gdbarch
*gdbarch
);
154 extern void set_gdbarch_half_bit (struct gdbarch
*gdbarch
, int half_bit
);
156 extern const struct floatformat
** gdbarch_half_format (struct gdbarch
*gdbarch
);
157 extern void set_gdbarch_half_format (struct gdbarch
*gdbarch
, const struct floatformat
** half_format
);
159 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
160 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
162 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
163 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
165 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
166 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
168 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
169 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
171 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
172 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
174 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
175 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
177 /* For most targets, a pointer on the target and its representation as an
178 address in GDB have the same size and "look the same". For such a
179 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
180 / addr_bit will be set from it.
182 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
183 also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
184 gdbarch_address_to_pointer as well.
186 ptr_bit is the size of a pointer on the target */
188 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
189 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
191 /* addr_bit is the size of a target address as represented in gdb */
193 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
194 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
196 /* dwarf2_addr_size is the target address size as used in the Dwarf debug
197 info. For .debug_frame FDEs, this is supposed to be the target address
198 size from the associated CU header, and which is equivalent to the
199 DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
200 Unfortunately there is no good way to determine this value. Therefore
201 dwarf2_addr_size simply defaults to the target pointer size.
203 dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
204 defined using the target's pointer size so far.
206 Note that dwarf2_addr_size only needs to be redefined by a target if the
207 GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
208 and if Dwarf versions < 4 need to be supported. */
210 extern int gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
);
211 extern void set_gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
, int dwarf2_addr_size
);
213 /* One if `char' acts like `signed char', zero if `unsigned char'. */
215 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
216 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
218 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
220 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (struct regcache
*regcache
);
221 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
222 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
224 extern int gdbarch_write_pc_p (struct gdbarch
*gdbarch
);
226 typedef void (gdbarch_write_pc_ftype
) (struct regcache
*regcache
, CORE_ADDR val
);
227 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR val
);
228 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
230 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
231 whole scheme for dealing with "frames" and "frame pointers" needs a
232 serious shakedown. */
234 typedef void (gdbarch_virtual_frame_pointer_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
235 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
236 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
238 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
240 typedef enum register_status (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
241 extern enum register_status
gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
242 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
244 /* Read a register into a new struct value. If the register is wholly
245 or partly unavailable, this should call mark_value_bytes_unavailable
246 as appropriate. If this is defined, then pseudo_register_read will
249 extern int gdbarch_pseudo_register_read_value_p (struct gdbarch
*gdbarch
);
251 typedef struct value
* (gdbarch_pseudo_register_read_value_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
252 extern struct value
* gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
253 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_value_ftype
*pseudo_register_read_value
);
255 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
257 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
258 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
259 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
261 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
262 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
264 /* This macro gives the number of pseudo-registers that live in the
265 register namespace but do not get fetched or stored on the target.
266 These pseudo-registers may be aliases for other registers,
267 combinations of other registers, or they may be computed by GDB. */
269 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
270 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
272 /* Assemble agent expression bytecode to collect pseudo-register REG.
273 Return -1 if something goes wrong, 0 otherwise. */
275 extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch
*gdbarch
);
277 typedef int (gdbarch_ax_pseudo_register_collect_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
278 extern int gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
279 extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_collect_ftype
*ax_pseudo_register_collect
);
281 /* Assemble agent expression bytecode to push the value of pseudo-register
282 REG on the interpreter stack.
283 Return -1 if something goes wrong, 0 otherwise. */
285 extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch
*gdbarch
);
287 typedef int (gdbarch_ax_pseudo_register_push_stack_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
288 extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
289 extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_push_stack_ftype
*ax_pseudo_register_push_stack
);
291 /* GDB's standard (or well known) register numbers. These can map onto
292 a real register or a pseudo (computed) register or not be defined at
294 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
296 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
297 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
299 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
300 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
302 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
303 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
305 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
306 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
308 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
310 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int stab_regnr
);
311 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
312 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
314 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
316 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int ecoff_regnr
);
317 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
318 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
320 /* Convert from an sdb register number to an internal gdb register number. */
322 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int sdb_regnr
);
323 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
324 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
326 /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */
328 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
329 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
330 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
332 typedef const char * (gdbarch_register_name_ftype
) (struct gdbarch
*gdbarch
, int regnr
);
333 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
334 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
336 /* Return the type of a register specified by the architecture. Only
337 the register cache should call this function directly; others should
338 use "register_type". */
340 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
342 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
343 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
344 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
346 extern int gdbarch_dummy_id_p (struct gdbarch
*gdbarch
);
348 typedef struct frame_id (gdbarch_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
349 extern struct frame_id
gdbarch_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
350 extern void set_gdbarch_dummy_id (struct gdbarch
*gdbarch
, gdbarch_dummy_id_ftype
*dummy_id
);
352 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
353 deprecated_fp_regnum. */
355 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
356 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
358 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
360 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
);
361 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
);
362 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
364 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
365 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
367 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
369 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
);
370 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
);
371 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
373 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
374 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
375 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
377 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
379 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
380 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
381 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
383 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
385 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
386 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
387 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
389 /* MAP a GDB RAW register number onto a simulator register number. See
390 also include/...-sim.h. */
392 typedef int (gdbarch_register_sim_regno_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
393 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
394 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
396 typedef int (gdbarch_cannot_fetch_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
397 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
398 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
400 typedef int (gdbarch_cannot_store_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
401 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
402 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
404 /* Determine the address where a longjmp will land and save this address
405 in PC. Return nonzero on success.
407 FRAME corresponds to the longjmp frame. */
409 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
411 typedef int (gdbarch_get_longjmp_target_ftype
) (struct frame_info
*frame
, CORE_ADDR
*pc
);
412 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR
*pc
);
413 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
415 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
416 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
418 typedef int (gdbarch_convert_register_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
419 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
420 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
422 typedef int (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
, int *optimizedp
, int *unavailablep
);
423 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
);
424 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
426 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
427 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
428 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
430 /* Construct a value representing the contents of register REGNUM in
431 frame FRAME_ID, interpreted as type TYPE. The routine needs to
432 allocate and return a struct value with all value attributes
433 (but not the value contents) filled in. */
435 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
436 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
437 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
439 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
440 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
441 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
443 typedef void (gdbarch_address_to_pointer_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
444 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
445 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
447 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
449 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
450 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
451 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
453 /* Return the return-value convention that will be used by FUNCTION
454 to return a value of type VALTYPE. FUNCTION may be NULL in which
455 case the return convention is computed based only on VALTYPE.
457 If READBUF is not NULL, extract the return value and save it in this buffer.
459 If WRITEBUF is not NULL, it contains a return value which will be
460 stored into the appropriate register. This can be used when we want
461 to force the value returned by a function (see the "return" command
464 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
466 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
);
467 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
);
468 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
470 /* Return true if the return value of function is stored in the first hidden
471 parameter. In theory, this feature should be language-dependent, specified
472 by language and its ABI, such as C++. Unfortunately, compiler may
473 implement it to a target-dependent feature. So that we need such hook here
474 to be aware of this in GDB. */
476 typedef int (gdbarch_return_in_first_hidden_param_p_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
477 extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch
*gdbarch
, struct type
*type
);
478 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
);
480 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
481 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
482 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
484 extern int gdbarch_skip_main_prologue_p (struct gdbarch
*gdbarch
);
486 typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
487 extern CORE_ADDR
gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
488 extern void set_gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_main_prologue_ftype
*skip_main_prologue
);
490 /* On some platforms, a single function may provide multiple entry points,
491 e.g. one that is used for function-pointer calls and a different one
492 that is used for direct function calls.
493 In order to ensure that breakpoints set on the function will trigger
494 no matter via which entry point the function is entered, a platform
495 may provide the skip_entrypoint callback. It is called with IP set
496 to the main entry point of a function (as determined by the symbol table),
497 and should return the address of the innermost entry point, where the
498 actual breakpoint needs to be set. Note that skip_entrypoint is used
499 by GDB common code even when debugging optimized code, where skip_prologue
502 extern int gdbarch_skip_entrypoint_p (struct gdbarch
*gdbarch
);
504 typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
505 extern CORE_ADDR
gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
506 extern void set_gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, gdbarch_skip_entrypoint_ftype
*skip_entrypoint
);
508 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
509 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
510 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
512 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
513 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
514 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
516 /* Return the adjusted address and kind to use for Z0/Z1 packets.
517 KIND is usually the memory length of the breakpoint, but may have a
518 different target-specific meaning. */
520 typedef void (gdbarch_remote_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
521 extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
522 extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_remote_breakpoint_from_pc_ftype
*remote_breakpoint_from_pc
);
524 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
526 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
527 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
528 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
530 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
531 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
532 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
534 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
535 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
536 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
538 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
539 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
541 /* A function can be addressed by either it's "pointer" (possibly a
542 descriptor address) or "entry point" (first executable instruction).
543 The method "convert_from_func_ptr_addr" converting the former to the
544 latter. gdbarch_deprecated_function_start_offset is being used to implement
545 a simplified subset of that functionality - the function's address
546 corresponds to the "function pointer" and the function's start
547 corresponds to the "function entry point" - and hence is redundant. */
549 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
550 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
552 /* Return the remote protocol register number associated with this
553 register. Normally the identity mapping. */
555 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
556 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
557 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
559 /* Fetch the target specific address used to represent a load module. */
561 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
563 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
564 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
565 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
567 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
568 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
570 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
572 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
573 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
574 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
576 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
578 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
579 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
580 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
582 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
583 frame-base. Enable frame-base before frame-unwind. */
585 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
587 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
588 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
589 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
591 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
593 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
594 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
595 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
597 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
598 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
599 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
601 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
602 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
604 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
605 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
606 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
608 /* On some machines there are bits in addresses which are not really
609 part of the address, but are used by the kernel, the hardware, etc.
610 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
611 we get a "real" address such as one would find in a symbol table.
612 This is used only for addresses of instructions, and even then I'm
613 not sure it's used in all contexts. It exists to deal with there
614 being a few stray bits in the PC which would mislead us, not as some
615 sort of generic thing to handle alignment or segmentation (it's
616 possible it should be in TARGET_READ_PC instead). */
618 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
619 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
620 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
622 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
623 indicates if the target needs software single step. An ISA method to
626 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
627 breakpoints using the breakpoint system instead of blatting memory directly
630 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
631 target can single step. If not, then implement single step using breakpoints.
633 A return value of 1 means that the software_single_step breakpoints
634 were inserted; 0 means they were not. */
636 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
638 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
639 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
640 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
642 /* Return non-zero if the processor is executing a delay slot and a
643 further single-step is needed before the instruction finishes. */
645 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
647 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
648 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
649 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
651 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
652 disassembler. Perhaps objdump can handle it? */
654 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
655 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
656 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
658 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
659 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
660 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
662 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
663 evaluates non-zero, this is the address where the debugger will place
664 a step-resume breakpoint to get us past the dynamic linker. */
666 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
667 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
668 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
670 /* Some systems also have trampoline code for returning from shared libs. */
672 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
673 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
674 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
676 /* A target might have problems with watchpoints as soon as the stack
677 frame of the current function has been destroyed. This mostly happens
678 as the first action in a funtion's epilogue. in_function_epilogue_p()
679 is defined to return a non-zero value if either the given addr is one
680 instruction after the stack destroying instruction up to the trailing
681 return instruction or if we can figure out that the stack frame has
682 already been invalidated regardless of the value of addr. Targets
683 which don't suffer from that problem could just let this functionality
686 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
687 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
688 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
690 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
691 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
692 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
694 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
695 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
696 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
698 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
699 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
701 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
702 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
704 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
706 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
707 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
708 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
710 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
712 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
713 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
714 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
);
716 /* Return the appropriate type_flags for the supplied address class.
717 This function should return 1 if the address class was recognized and
718 type_flags was set, zero otherwise. */
720 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
722 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
723 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
724 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
);
726 /* Is a register in a group */
728 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
729 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
730 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
732 /* Fetch the pointer to the ith function argument. */
734 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
736 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
737 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
738 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
740 /* Iterate over all supported register notes in a core file. For each
741 supported register note section, the iterator must call CB and pass
742 CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit
743 the supported register note sections based on the current register
744 values. Otherwise it should enumerate all supported register note
747 extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch
*gdbarch
);
749 typedef void (gdbarch_iterate_over_regset_sections_ftype
) (struct gdbarch
*gdbarch
, iterate_over_regset_sections_cb
*cb
, void *cb_data
, const struct regcache
*regcache
);
750 extern void gdbarch_iterate_over_regset_sections (struct gdbarch
*gdbarch
, iterate_over_regset_sections_cb
*cb
, void *cb_data
, const struct regcache
*regcache
);
751 extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch
*gdbarch
, gdbarch_iterate_over_regset_sections_ftype
*iterate_over_regset_sections
);
753 /* Create core file notes */
755 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
757 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
758 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
759 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
761 /* The elfcore writer hook to use to write Linux prpsinfo notes to core
762 files. Most Linux architectures use the same prpsinfo32 or
763 prpsinfo64 layouts, and so won't need to provide this hook, as we
764 call the Linux generic routines in bfd to write prpsinfo notes by
767 extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch
*gdbarch
);
769 typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype
) (bfd
*obfd
, char *note_data
, int *note_size
, const struct elf_internal_linux_prpsinfo
*info
);
770 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
);
771 extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch
*gdbarch
, gdbarch_elfcore_write_linux_prpsinfo_ftype
*elfcore_write_linux_prpsinfo
);
773 /* Find core file memory regions */
775 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
777 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
778 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
779 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
781 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
782 core file into buffer READBUF with length LEN. Return the number of bytes read
783 (zero indicates failure).
784 failed, otherwise, return the red length of READBUF. */
786 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
788 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
789 extern ULONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
790 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
792 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared
793 libraries list from core file into buffer READBUF with length LEN.
794 Return the number of bytes read (zero indicates failure). */
796 extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch
*gdbarch
);
798 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
799 extern ULONGEST
gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
800 extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_aix_ftype
*core_xfer_shared_libraries_aix
);
802 /* How the core target converts a PTID from a core file to a string. */
804 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
806 typedef char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
807 extern char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
808 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
810 /* BFD target to use when generating a core file. */
812 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
814 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
815 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
817 /* If the elements of C++ vtables are in-place function descriptors rather
818 than normal function pointers (which may point to code or a descriptor),
821 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
822 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
824 /* Set if the least significant bit of the delta is used instead of the least
825 significant bit of the pfn for pointers to virtual member functions. */
827 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
828 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
830 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
832 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
833 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
834 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
836 /* The maximum length of an instruction on this architecture in bytes. */
838 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
840 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
841 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
843 /* Copy the instruction at FROM to TO, and make any adjustments
844 necessary to single-step it at that address.
846 REGS holds the state the thread's registers will have before
847 executing the copied instruction; the PC in REGS will refer to FROM,
848 not the copy at TO. The caller should update it to point at TO later.
850 Return a pointer to data of the architecture's choice to be passed
851 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
852 the instruction's effects have been completely simulated, with the
853 resulting state written back to REGS.
855 For a general explanation of displaced stepping and how GDB uses it,
856 see the comments in infrun.c.
858 The TO area is only guaranteed to have space for
859 gdbarch_max_insn_length (arch) bytes, so this function must not
860 write more bytes than that to that area.
862 If you do not provide this function, GDB assumes that the
863 architecture does not support displaced stepping.
865 If your architecture doesn't need to adjust instructions before
866 single-stepping them, consider using simple_displaced_step_copy_insn
869 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
871 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
872 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
873 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
875 /* Return true if GDB should use hardware single-stepping to execute
876 the displaced instruction identified by CLOSURE. If false,
877 GDB will simply restart execution at the displaced instruction
878 location, and it is up to the target to ensure GDB will receive
879 control again (e.g. by placing a software breakpoint instruction
880 into the displaced instruction buffer).
882 The default implementation returns false on all targets that
883 provide a gdbarch_software_single_step routine, and true otherwise. */
885 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
886 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
887 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
889 /* Fix up the state resulting from successfully single-stepping a
890 displaced instruction, to give the result we would have gotten from
891 stepping the instruction in its original location.
893 REGS is the register state resulting from single-stepping the
894 displaced instruction.
896 CLOSURE is the result from the matching call to
897 gdbarch_displaced_step_copy_insn.
899 If you provide gdbarch_displaced_step_copy_insn.but not this
900 function, then GDB assumes that no fixup is needed after
901 single-stepping the instruction.
903 For a general explanation of displaced stepping and how GDB uses it,
904 see the comments in infrun.c. */
906 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
908 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
909 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
910 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
912 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
914 If you provide gdbarch_displaced_step_copy_insn, you must provide
915 this function as well.
917 If your architecture uses closures that don't need to be freed, then
918 you can use simple_displaced_step_free_closure here.
920 For a general explanation of displaced stepping and how GDB uses it,
921 see the comments in infrun.c. */
923 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
924 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
925 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
927 /* Return the address of an appropriate place to put displaced
928 instructions while we step over them. There need only be one such
929 place, since we're only stepping one thread over a breakpoint at a
932 For a general explanation of displaced stepping and how GDB uses it,
933 see the comments in infrun.c. */
935 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
936 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
937 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
939 /* Relocate an instruction to execute at a different address. OLDLOC
940 is the address in the inferior memory where the instruction to
941 relocate is currently at. On input, TO points to the destination
942 where we want the instruction to be copied (and possibly adjusted)
943 to. On output, it points to one past the end of the resulting
944 instruction(s). The effect of executing the instruction at TO shall
945 be the same as if executing it at FROM. For example, call
946 instructions that implicitly push the return address on the stack
947 should be adjusted to return to the instruction after OLDLOC;
948 relative branches, and other PC-relative instructions need the
949 offset adjusted; etc. */
951 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
953 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
954 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
955 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
957 /* Refresh overlay mapped state for section OSECT. */
959 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
961 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
962 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
963 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
965 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
967 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
968 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
969 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
971 /* Handle special encoding of static variables in stabs debug info. */
973 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
975 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
976 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
977 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
979 /* Set if the address in N_SO or N_FUN stabs may be zero. */
981 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
982 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
984 /* Parse the instruction at ADDR storing in the record execution log
985 the registers REGCACHE and memory ranges that will be affected when
986 the instruction executes, along with their current values.
987 Return -1 if something goes wrong, 0 otherwise. */
989 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
991 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
992 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
993 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
995 /* Save process state after a signal.
996 Return -1 if something goes wrong, 0 otherwise. */
998 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
1000 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
1001 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
1002 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
1004 /* Signal translation: translate inferior's signal (target's) number
1005 into GDB's representation. The implementation of this method must
1006 be host independent. IOW, don't rely on symbols of the NAT_FILE
1007 header (the nm-*.h files), the host <signal.h> header, or similar
1008 headers. This is mainly used when cross-debugging core files ---
1009 "Live" targets hide the translation behind the target interface
1010 (target_wait, target_resume, etc.). */
1012 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
1014 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
1015 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
1016 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
1018 /* Signal translation: translate the GDB's internal signal number into
1019 the inferior's signal (target's) representation. The implementation
1020 of this method must be host independent. IOW, don't rely on symbols
1021 of the NAT_FILE header (the nm-*.h files), the host <signal.h>
1022 header, or similar headers.
1023 Return the target signal number if found, or -1 if the GDB internal
1024 signal number is invalid. */
1026 extern int gdbarch_gdb_signal_to_target_p (struct gdbarch
*gdbarch
);
1028 typedef int (gdbarch_gdb_signal_to_target_ftype
) (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1029 extern int gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1030 extern void set_gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_to_target_ftype
*gdb_signal_to_target
);
1032 /* Extra signal info inspection.
1034 Return a type suitable to inspect extra signal information. */
1036 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
1038 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
1039 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
1040 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
1042 /* Record architecture-specific information from the symbol table. */
1044 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
1046 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1047 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1048 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
1050 /* Function for the 'catch syscall' feature.
1051 Get architecture-specific system calls information from registers. */
1053 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
1055 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
1056 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
1057 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
1059 /* SystemTap related fields and functions.
1060 A NULL-terminated array of prefixes used to mark an integer constant
1061 on the architecture's assembly.
1062 For example, on x86 integer constants are written as:
1064 $10 ;; integer constant 10
1066 in this case, this prefix would be the character `$'. */
1068 extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
);
1069 extern void set_gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_prefixes
);
1071 /* A NULL-terminated array of suffixes used to mark an integer constant
1072 on the architecture's assembly. */
1074 extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
);
1075 extern void set_gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_suffixes
);
1077 /* A NULL-terminated array of prefixes used to mark a register name on
1078 the architecture's assembly.
1079 For example, on x86 the register name is written as:
1081 %eax ;; register eax
1083 in this case, this prefix would be the character `%'. */
1085 extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
);
1086 extern void set_gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_prefixes
);
1088 /* A NULL-terminated array of suffixes used to mark a register name on
1089 the architecture's assembly. */
1091 extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
);
1092 extern void set_gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_suffixes
);
1094 /* A NULL-terminated array of prefixes used to mark a register
1095 indirection on the architecture's assembly.
1096 For example, on x86 the register indirection is written as:
1098 (%eax) ;; indirecting eax
1100 in this case, this prefix would be the charater `('.
1102 Please note that we use the indirection prefix also for register
1103 displacement, e.g., `4(%eax)' on x86. */
1105 extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
);
1106 extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_prefixes
);
1108 /* A NULL-terminated array of suffixes used to mark a register
1109 indirection on the architecture's assembly.
1110 For example, on x86 the register indirection is written as:
1112 (%eax) ;; indirecting eax
1114 in this case, this prefix would be the charater `)'.
1116 Please note that we use the indirection suffix also for register
1117 displacement, e.g., `4(%eax)' on x86. */
1119 extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
);
1120 extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_suffixes
);
1122 /* Prefix(es) used to name a register using GDB's nomenclature.
1124 For example, on PPC a register is represented by a number in the assembly
1125 language (e.g., `10' is the 10th general-purpose register). However,
1126 inside GDB this same register has an `r' appended to its name, so the 10th
1127 register would be represented as `r10' internally. */
1129 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1130 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1132 /* Suffix used to name a register using GDB's nomenclature. */
1134 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1135 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1137 /* Check if S is a single operand.
1139 Single operands can be:
1140 - Literal integers, e.g. `$10' on x86
1141 - Register access, e.g. `%eax' on x86
1142 - Register indirection, e.g. `(%eax)' on x86
1143 - Register displacement, e.g. `4(%eax)' on x86
1145 This function should check for these patterns on the string
1146 and return 1 if some were found, or zero otherwise. Please try to match
1147 as much info as you can from the string, i.e., if you have to match
1148 something like `(%', do not match just the `('. */
1150 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1152 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1153 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1154 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1156 /* Function used to handle a "special case" in the parser.
1158 A "special case" is considered to be an unknown token, i.e., a token
1159 that the parser does not know how to parse. A good example of special
1160 case would be ARM's register displacement syntax:
1162 [R0, #4] ;; displacing R0 by 4
1164 Since the parser assumes that a register displacement is of the form:
1166 <number> <indirection_prefix> <register_name> <indirection_suffix>
1168 it means that it will not be able to recognize and parse this odd syntax.
1169 Therefore, we should add a special case function that will handle this token.
1171 This function should generate the proper expression form of the expression
1172 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1173 and so on). It should also return 1 if the parsing was successful, or zero
1174 if the token was not recognized as a special token (in this case, returning
1175 zero means that the special parser is deferring the parsing to the generic
1176 parser), and should advance the buffer pointer (p->arg). */
1178 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1180 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1181 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1182 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1184 /* True if the list of shared libraries is one and only for all
1185 processes, as opposed to a list of shared libraries per inferior.
1186 This usually means that all processes, although may or may not share
1187 an address space, will see the same set of symbols at the same
1190 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1191 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1193 /* On some targets, even though each inferior has its own private
1194 address space, the debug interface takes care of making breakpoints
1195 visible to all address spaces automatically. For such cases,
1196 this property should be set to true. */
1198 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1199 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1201 /* True if inferiors share an address space (e.g., uClinux). */
1203 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1204 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1205 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1207 /* True if a fast tracepoint can be set at an address. */
1209 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1210 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1211 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1213 /* Return the "auto" target charset. */
1215 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1216 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1217 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1219 /* Return the "auto" target wide charset. */
1221 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1222 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1223 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1225 /* If non-empty, this is a file extension that will be opened in place
1226 of the file extension reported by the shared library list.
1228 This is most useful for toolchains that use a post-linker tool,
1229 where the names of the files run on the target differ in extension
1230 compared to the names of the files GDB should load for debug info. */
1232 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1233 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1235 /* If true, the target OS has DOS-based file system semantics. That
1236 is, absolute paths include a drive name, and the backslash is
1237 considered a directory separator. */
1239 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1240 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1242 /* Generate bytecodes to collect the return address in a frame.
1243 Since the bytecodes run on the target, possibly with GDB not even
1244 connected, the full unwinding machinery is not available, and
1245 typically this function will issue bytecodes for one or more likely
1246 places that the return address may be found. */
1248 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1249 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1250 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1252 /* Implement the "info proc" command. */
1254 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1256 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1257 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1258 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1260 /* Implement the "info proc" command for core files. Noe that there
1261 are two "info_proc"-like methods on gdbarch -- one for core files,
1262 one for live targets. */
1264 extern int gdbarch_core_info_proc_p (struct gdbarch
*gdbarch
);
1266 typedef void (gdbarch_core_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1267 extern void gdbarch_core_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1268 extern void set_gdbarch_core_info_proc (struct gdbarch
*gdbarch
, gdbarch_core_info_proc_ftype
*core_info_proc
);
1270 /* Iterate over all objfiles in the order that makes the most sense
1271 for the architecture to make global symbol searches.
1273 CB is a callback function where OBJFILE is the objfile to be searched,
1274 and CB_DATA a pointer to user-defined data (the same data that is passed
1275 when calling this gdbarch method). The iteration stops if this function
1278 CB_DATA is a pointer to some user-defined data to be passed to
1281 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1282 inspected when the symbol search was requested. */
1284 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
);
1285 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
);
1286 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
);
1288 /* Ravenscar arch-dependent ops. */
1290 extern struct ravenscar_arch_ops
* gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
);
1291 extern void set_gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
, struct ravenscar_arch_ops
* ravenscar_ops
);
1293 /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */
1295 typedef int (gdbarch_insn_is_call_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1296 extern int gdbarch_insn_is_call (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1297 extern void set_gdbarch_insn_is_call (struct gdbarch
*gdbarch
, gdbarch_insn_is_call_ftype
*insn_is_call
);
1299 /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */
1301 typedef int (gdbarch_insn_is_ret_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1302 extern int gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1303 extern void set_gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, gdbarch_insn_is_ret_ftype
*insn_is_ret
);
1305 /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */
1307 typedef int (gdbarch_insn_is_jump_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1308 extern int gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1309 extern void set_gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, gdbarch_insn_is_jump_ftype
*insn_is_jump
);
1311 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
1312 Return 0 if *READPTR is already at the end of the buffer.
1313 Return -1 if there is insufficient buffer for a whole entry.
1314 Return 1 if an entry was read into *TYPEP and *VALP. */
1316 extern int gdbarch_auxv_parse_p (struct gdbarch
*gdbarch
);
1318 typedef int (gdbarch_auxv_parse_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1319 extern int gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1320 extern void set_gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdbarch_auxv_parse_ftype
*auxv_parse
);
1322 /* Find the address range of the current inferior's vsyscall/vDSO, and
1323 write it to *RANGE. If the vsyscall's length can't be determined, a
1324 range with zero length is returned. Returns true if the vsyscall is
1325 found, false otherwise. */
1327 typedef int (gdbarch_vsyscall_range_ftype
) (struct gdbarch
*gdbarch
, struct mem_range
*range
);
1328 extern int gdbarch_vsyscall_range (struct gdbarch
*gdbarch
, struct mem_range
*range
);
1329 extern void set_gdbarch_vsyscall_range (struct gdbarch
*gdbarch
, gdbarch_vsyscall_range_ftype
*vsyscall_range
);
1331 /* Definition for an unknown syscall, used basically in error-cases. */
1332 #define UNKNOWN_SYSCALL (-1)
1334 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1337 /* Mechanism for co-ordinating the selection of a specific
1340 GDB targets (*-tdep.c) can register an interest in a specific
1341 architecture. Other GDB components can register a need to maintain
1342 per-architecture data.
1344 The mechanisms below ensures that there is only a loose connection
1345 between the set-architecture command and the various GDB
1346 components. Each component can independently register their need
1347 to maintain architecture specific data with gdbarch.
1351 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1354 The more traditional mega-struct containing architecture specific
1355 data for all the various GDB components was also considered. Since
1356 GDB is built from a variable number of (fairly independent)
1357 components it was determined that the global aproach was not
1361 /* Register a new architectural family with GDB.
1363 Register support for the specified ARCHITECTURE with GDB. When
1364 gdbarch determines that the specified architecture has been
1365 selected, the corresponding INIT function is called.
1369 The INIT function takes two parameters: INFO which contains the
1370 information available to gdbarch about the (possibly new)
1371 architecture; ARCHES which is a list of the previously created
1372 ``struct gdbarch'' for this architecture.
1374 The INFO parameter is, as far as possible, be pre-initialized with
1375 information obtained from INFO.ABFD or the global defaults.
1377 The ARCHES parameter is a linked list (sorted most recently used)
1378 of all the previously created architures for this architecture
1379 family. The (possibly NULL) ARCHES->gdbarch can used to access
1380 values from the previously selected architecture for this
1381 architecture family.
1383 The INIT function shall return any of: NULL - indicating that it
1384 doesn't recognize the selected architecture; an existing ``struct
1385 gdbarch'' from the ARCHES list - indicating that the new
1386 architecture is just a synonym for an earlier architecture (see
1387 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1388 - that describes the selected architecture (see gdbarch_alloc()).
1390 The DUMP_TDEP function shall print out all target specific values.
1391 Care should be taken to ensure that the function works in both the
1392 multi-arch and non- multi-arch cases. */
1396 struct gdbarch
*gdbarch
;
1397 struct gdbarch_list
*next
;
1402 /* Use default: NULL (ZERO). */
1403 const struct bfd_arch_info
*bfd_arch_info
;
1405 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1406 enum bfd_endian byte_order
;
1408 enum bfd_endian byte_order_for_code
;
1410 /* Use default: NULL (ZERO). */
1413 /* Use default: NULL (ZERO). */
1414 struct gdbarch_tdep_info
*tdep_info
;
1416 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1417 enum gdb_osabi osabi
;
1419 /* Use default: NULL (ZERO). */
1420 const struct target_desc
*target_desc
;
1423 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1424 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1426 /* DEPRECATED - use gdbarch_register() */
1427 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1429 extern void gdbarch_register (enum bfd_architecture architecture
,
1430 gdbarch_init_ftype
*,
1431 gdbarch_dump_tdep_ftype
*);
1434 /* Return a freshly allocated, NULL terminated, array of the valid
1435 architecture names. Since architectures are registered during the
1436 _initialize phase this function only returns useful information
1437 once initialization has been completed. */
1439 extern const char **gdbarch_printable_names (void);
1442 /* Helper function. Search the list of ARCHES for a GDBARCH that
1443 matches the information provided by INFO. */
1445 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1448 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1449 basic initialization using values obtained from the INFO and TDEP
1450 parameters. set_gdbarch_*() functions are called to complete the
1451 initialization of the object. */
1453 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1456 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1457 It is assumed that the caller freeds the ``struct
1460 extern void gdbarch_free (struct gdbarch
*);
1463 /* Helper function. Allocate memory from the ``struct gdbarch''
1464 obstack. The memory is freed when the corresponding architecture
1467 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1468 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1469 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1472 /* Helper function. Force an update of the current architecture.
1474 The actual architecture selected is determined by INFO, ``(gdb) set
1475 architecture'' et.al., the existing architecture and BFD's default
1476 architecture. INFO should be initialized to zero and then selected
1477 fields should be updated.
1479 Returns non-zero if the update succeeds. */
1481 extern int gdbarch_update_p (struct gdbarch_info info
);
1484 /* Helper function. Find an architecture matching info.
1486 INFO should be initialized using gdbarch_info_init, relevant fields
1487 set, and then finished using gdbarch_info_fill.
1489 Returns the corresponding architecture, or NULL if no matching
1490 architecture was found. */
1492 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1495 /* Helper function. Set the target gdbarch to "gdbarch". */
1497 extern void set_target_gdbarch (struct gdbarch
*gdbarch
);
1500 /* Register per-architecture data-pointer.
1502 Reserve space for a per-architecture data-pointer. An identifier
1503 for the reserved data-pointer is returned. That identifer should
1504 be saved in a local static variable.
1506 Memory for the per-architecture data shall be allocated using
1507 gdbarch_obstack_zalloc. That memory will be deleted when the
1508 corresponding architecture object is deleted.
1510 When a previously created architecture is re-selected, the
1511 per-architecture data-pointer for that previous architecture is
1512 restored. INIT() is not re-called.
1514 Multiple registrarants for any architecture are allowed (and
1515 strongly encouraged). */
1517 struct gdbarch_data
;
1519 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1520 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1521 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1522 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1523 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1524 struct gdbarch_data
*data
,
1527 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1530 /* Set the dynamic target-system-dependent parameters (architecture,
1531 byte-order, ...) using information found in the BFD. */
1533 extern void set_gdbarch_from_file (bfd
*);
1536 /* Initialize the current architecture to the "first" one we find on
1539 extern void initialize_current_architecture (void);
1541 /* gdbarch trace variable */
1542 extern unsigned int gdbarch_debug
;
1544 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);