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
;
63 /* The architecture associated with the inferior through the
64 connection to the target.
66 The architecture vector provides some information that is really a
67 property of the inferior, accessed through a particular target:
68 ptrace operations; the layout of certain RSP packets; the solib_ops
69 vector; etc. To differentiate architecture accesses to
70 per-inferior/target properties from
71 per-thread/per-frame/per-objfile properties, accesses to
72 per-inferior/target properties should be made through this
75 /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
76 extern struct gdbarch
*target_gdbarch (void);
78 /* Callback type for the 'iterate_over_objfiles_in_search_order'
81 typedef int (iterate_over_objfiles_in_search_order_cb_ftype
)
82 (struct objfile
*objfile
, void *cb_data
);
85 /* The following are pre-initialized by GDBARCH. */
87 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
88 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
90 extern enum bfd_endian
gdbarch_byte_order (struct gdbarch
*gdbarch
);
91 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
93 extern enum bfd_endian
gdbarch_byte_order_for_code (struct gdbarch
*gdbarch
);
94 /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
96 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
97 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
99 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
100 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
103 /* The following are initialized by the target dependent code. */
105 /* The bit byte-order has to do just with numbering of bits in debugging symbols
106 and such. Conceptually, it's quite separate from byte/word byte order. */
108 extern int gdbarch_bits_big_endian (struct gdbarch
*gdbarch
);
109 extern void set_gdbarch_bits_big_endian (struct gdbarch
*gdbarch
, int bits_big_endian
);
111 /* Number of bits in a char or unsigned char for the target machine.
112 Just like CHAR_BIT in <limits.h> but describes the target machine.
113 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
115 Number of bits in a short or unsigned short for the target machine. */
117 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
118 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
120 /* Number of bits in an int or unsigned int for the target machine. */
122 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
123 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
125 /* Number of bits in a long or unsigned long for the target machine. */
127 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
128 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
130 /* Number of bits in a long long or unsigned long long for the target
133 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
134 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
136 /* Alignment of a long long or unsigned long long for the target
139 extern int gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
);
140 extern void set_gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
, int long_long_align_bit
);
142 /* The ABI default bit-size and format for "half", "float", "double", and
143 "long double". These bit/format pairs should eventually be combined
144 into a single object. For the moment, just initialize them as a pair.
145 Each format describes both the big and little endian layouts (if
148 extern int gdbarch_half_bit (struct gdbarch
*gdbarch
);
149 extern void set_gdbarch_half_bit (struct gdbarch
*gdbarch
, int half_bit
);
151 extern const struct floatformat
** gdbarch_half_format (struct gdbarch
*gdbarch
);
152 extern void set_gdbarch_half_format (struct gdbarch
*gdbarch
, const struct floatformat
** half_format
);
154 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
155 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
157 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
158 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
160 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
161 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
163 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
164 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
166 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
167 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
169 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
170 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
172 /* For most targets, a pointer on the target and its representation as an
173 address in GDB have the same size and "look the same". For such a
174 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
175 / addr_bit will be set from it.
177 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
178 also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
179 gdbarch_address_to_pointer as well.
181 ptr_bit is the size of a pointer on the target */
183 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
184 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
186 /* addr_bit is the size of a target address as represented in gdb */
188 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
189 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
191 /* dwarf2_addr_size is the target address size as used in the Dwarf debug
192 info. For .debug_frame FDEs, this is supposed to be the target address
193 size from the associated CU header, and which is equivalent to the
194 DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
195 Unfortunately there is no good way to determine this value. Therefore
196 dwarf2_addr_size simply defaults to the target pointer size.
198 dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
199 defined using the target's pointer size so far.
201 Note that dwarf2_addr_size only needs to be redefined by a target if the
202 GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
203 and if Dwarf versions < 4 need to be supported. */
205 extern int gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
);
206 extern void set_gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
, int dwarf2_addr_size
);
208 /* One if `char' acts like `signed char', zero if `unsigned char'. */
210 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
211 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
213 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
215 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (struct regcache
*regcache
);
216 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
217 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
219 extern int gdbarch_write_pc_p (struct gdbarch
*gdbarch
);
221 typedef void (gdbarch_write_pc_ftype
) (struct regcache
*regcache
, CORE_ADDR val
);
222 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR val
);
223 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
225 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
226 whole scheme for dealing with "frames" and "frame pointers" needs a
227 serious shakedown. */
229 typedef void (gdbarch_virtual_frame_pointer_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
230 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
231 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
233 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
235 typedef enum register_status (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
236 extern enum register_status
gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
237 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
239 /* Read a register into a new struct value. If the register is wholly
240 or partly unavailable, this should call mark_value_bytes_unavailable
241 as appropriate. If this is defined, then pseudo_register_read will
244 extern int gdbarch_pseudo_register_read_value_p (struct gdbarch
*gdbarch
);
246 typedef struct value
* (gdbarch_pseudo_register_read_value_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
247 extern struct value
* gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
248 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_value_ftype
*pseudo_register_read_value
);
250 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
252 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
253 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
254 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
256 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
257 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
259 /* This macro gives the number of pseudo-registers that live in the
260 register namespace but do not get fetched or stored on the target.
261 These pseudo-registers may be aliases for other registers,
262 combinations of other registers, or they may be computed by GDB. */
264 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
265 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
267 /* Assemble agent expression bytecode to collect pseudo-register REG.
268 Return -1 if something goes wrong, 0 otherwise. */
270 extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch
*gdbarch
);
272 typedef int (gdbarch_ax_pseudo_register_collect_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
273 extern int gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
274 extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_collect_ftype
*ax_pseudo_register_collect
);
276 /* Assemble agent expression bytecode to push the value of pseudo-register
277 REG on the interpreter stack.
278 Return -1 if something goes wrong, 0 otherwise. */
280 extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch
*gdbarch
);
282 typedef int (gdbarch_ax_pseudo_register_push_stack_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
283 extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
284 extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_push_stack_ftype
*ax_pseudo_register_push_stack
);
286 /* GDB's standard (or well known) register numbers. These can map onto
287 a real register or a pseudo (computed) register or not be defined at
289 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
291 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
292 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
294 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
295 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
297 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
298 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
300 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
301 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
303 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
305 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int stab_regnr
);
306 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
307 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
309 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
311 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int ecoff_regnr
);
312 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
313 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
315 /* Convert from an sdb register number to an internal gdb register number. */
317 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int sdb_regnr
);
318 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
319 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
321 /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */
323 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
324 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
325 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
327 typedef const char * (gdbarch_register_name_ftype
) (struct gdbarch
*gdbarch
, int regnr
);
328 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
329 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
331 /* Return the type of a register specified by the architecture. Only
332 the register cache should call this function directly; others should
333 use "register_type". */
335 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
337 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
338 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
339 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
341 extern int gdbarch_dummy_id_p (struct gdbarch
*gdbarch
);
343 typedef struct frame_id (gdbarch_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
344 extern struct frame_id
gdbarch_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
345 extern void set_gdbarch_dummy_id (struct gdbarch
*gdbarch
, gdbarch_dummy_id_ftype
*dummy_id
);
347 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
348 deprecated_fp_regnum. */
350 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
351 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
353 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
355 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
);
356 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
);
357 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
359 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
360 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
362 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
364 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
);
365 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
);
366 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
368 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
369 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
370 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
372 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
374 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
375 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
376 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
378 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
380 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
381 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
382 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
384 /* MAP a GDB RAW register number onto a simulator register number. See
385 also include/...-sim.h. */
387 typedef int (gdbarch_register_sim_regno_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
388 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
389 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
391 typedef int (gdbarch_cannot_fetch_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
392 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
393 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
395 typedef int (gdbarch_cannot_store_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
396 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
397 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
399 /* Determine the address where a longjmp will land and save this address
400 in PC. Return nonzero on success.
402 FRAME corresponds to the longjmp frame. */
404 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
406 typedef int (gdbarch_get_longjmp_target_ftype
) (struct frame_info
*frame
, CORE_ADDR
*pc
);
407 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR
*pc
);
408 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
410 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
411 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
413 typedef int (gdbarch_convert_register_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
414 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
415 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
417 typedef int (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
, int *optimizedp
, int *unavailablep
);
418 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
);
419 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
421 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
422 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
423 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
425 /* Construct a value representing the contents of register REGNUM in
426 frame FRAME_ID, interpreted as type TYPE. The routine needs to
427 allocate and return a struct value with all value attributes
428 (but not the value contents) filled in. */
430 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
431 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
432 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
434 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
435 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
436 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
438 typedef void (gdbarch_address_to_pointer_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
439 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
440 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
442 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
444 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
445 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
446 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
448 /* Return the return-value convention that will be used by FUNCTION
449 to return a value of type VALTYPE. FUNCTION may be NULL in which
450 case the return convention is computed based only on VALTYPE.
452 If READBUF is not NULL, extract the return value and save it in this buffer.
454 If WRITEBUF is not NULL, it contains a return value which will be
455 stored into the appropriate register. This can be used when we want
456 to force the value returned by a function (see the "return" command
459 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
461 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
);
462 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
);
463 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
465 /* Return true if the return value of function is stored in the first hidden
466 parameter. In theory, this feature should be language-dependent, specified
467 by language and its ABI, such as C++. Unfortunately, compiler may
468 implement it to a target-dependent feature. So that we need such hook here
469 to be aware of this in GDB. */
471 typedef int (gdbarch_return_in_first_hidden_param_p_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
472 extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch
*gdbarch
, struct type
*type
);
473 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
);
475 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
476 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
477 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
479 extern int gdbarch_skip_main_prologue_p (struct gdbarch
*gdbarch
);
481 typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
482 extern CORE_ADDR
gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
483 extern void set_gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_main_prologue_ftype
*skip_main_prologue
);
485 /* On some platforms, a single function may provide multiple entry points,
486 e.g. one that is used for function-pointer calls and a different one
487 that is used for direct function calls.
488 In order to ensure that breakpoints set on the function will trigger
489 no matter via which entry point the function is entered, a platform
490 may provide the skip_entrypoint callback. It is called with IP set
491 to the main entry point of a function (as determined by the symbol table),
492 and should return the address of the innermost entry point, where the
493 actual breakpoint needs to be set. Note that skip_entrypoint is used
494 by GDB common code even when debugging optimized code, where skip_prologue
497 extern int gdbarch_skip_entrypoint_p (struct gdbarch
*gdbarch
);
499 typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
500 extern CORE_ADDR
gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
501 extern void set_gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, gdbarch_skip_entrypoint_ftype
*skip_entrypoint
);
503 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
504 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
505 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
507 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
508 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
509 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
511 /* Return the adjusted address and kind to use for Z0/Z1 packets.
512 KIND is usually the memory length of the breakpoint, but may have a
513 different target-specific meaning. */
515 typedef void (gdbarch_remote_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
516 extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
517 extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_remote_breakpoint_from_pc_ftype
*remote_breakpoint_from_pc
);
519 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
521 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
522 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
523 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
525 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
526 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
527 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
529 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
530 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
531 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
533 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
534 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
536 /* A function can be addressed by either it's "pointer" (possibly a
537 descriptor address) or "entry point" (first executable instruction).
538 The method "convert_from_func_ptr_addr" converting the former to the
539 latter. gdbarch_deprecated_function_start_offset is being used to implement
540 a simplified subset of that functionality - the function's address
541 corresponds to the "function pointer" and the function's start
542 corresponds to the "function entry point" - and hence is redundant. */
544 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
545 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
547 /* Return the remote protocol register number associated with this
548 register. Normally the identity mapping. */
550 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
551 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
552 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
554 /* Fetch the target specific address used to represent a load module. */
556 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
558 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
559 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
560 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
562 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
563 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
565 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
567 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
568 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
569 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
571 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
573 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
574 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
575 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
577 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
578 frame-base. Enable frame-base before frame-unwind. */
580 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
582 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
583 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
584 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
586 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
588 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
589 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
590 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
592 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
593 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
594 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
596 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
597 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
599 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
600 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
601 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
603 /* On some machines there are bits in addresses which are not really
604 part of the address, but are used by the kernel, the hardware, etc.
605 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
606 we get a "real" address such as one would find in a symbol table.
607 This is used only for addresses of instructions, and even then I'm
608 not sure it's used in all contexts. It exists to deal with there
609 being a few stray bits in the PC which would mislead us, not as some
610 sort of generic thing to handle alignment or segmentation (it's
611 possible it should be in TARGET_READ_PC instead). */
613 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
614 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
615 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
617 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
618 indicates if the target needs software single step. An ISA method to
621 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
622 breakpoints using the breakpoint system instead of blatting memory directly
625 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
626 target can single step. If not, then implement single step using breakpoints.
628 A return value of 1 means that the software_single_step breakpoints
629 were inserted; 0 means they were not. */
631 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
633 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
634 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
635 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
637 /* Return non-zero if the processor is executing a delay slot and a
638 further single-step is needed before the instruction finishes. */
640 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
642 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
643 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
644 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
646 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
647 disassembler. Perhaps objdump can handle it? */
649 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
650 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
651 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
653 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
654 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
655 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
657 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
658 evaluates non-zero, this is the address where the debugger will place
659 a step-resume breakpoint to get us past the dynamic linker. */
661 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
662 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
663 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
665 /* Some systems also have trampoline code for returning from shared libs. */
667 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
668 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
669 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
671 /* A target might have problems with watchpoints as soon as the stack
672 frame of the current function has been destroyed. This mostly happens
673 as the first action in a funtion's epilogue. in_function_epilogue_p()
674 is defined to return a non-zero value if either the given addr is one
675 instruction after the stack destroying instruction up to the trailing
676 return instruction or if we can figure out that the stack frame has
677 already been invalidated regardless of the value of addr. Targets
678 which don't suffer from that problem could just let this functionality
681 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
682 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
683 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
685 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
686 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
687 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
689 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
690 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
691 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
693 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
694 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
696 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
697 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
699 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
701 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
702 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
703 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
705 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
707 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
708 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
709 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
);
711 /* Return the appropriate type_flags for the supplied address class.
712 This function should return 1 if the address class was recognized and
713 type_flags was set, zero otherwise. */
715 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
717 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
718 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
719 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
);
721 /* Is a register in a group */
723 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
724 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
725 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
727 /* Fetch the pointer to the ith function argument. */
729 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
731 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
732 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
733 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
735 /* Return the appropriate register set for a core file section with
736 name SECT_NAME and size SECT_SIZE. */
738 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
740 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
741 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
742 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
744 /* Supported register notes in a core file. */
746 extern struct core_regset_section
* gdbarch_core_regset_sections (struct gdbarch
*gdbarch
);
747 extern void set_gdbarch_core_regset_sections (struct gdbarch
*gdbarch
, struct core_regset_section
* core_regset_sections
);
749 /* Create core file notes */
751 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
753 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
754 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
755 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
757 /* The elfcore writer hook to use to write Linux prpsinfo notes to core
758 files. Most Linux architectures use the same prpsinfo32 or
759 prpsinfo64 layouts, and so won't need to provide this hook, as we
760 call the Linux generic routines in bfd to write prpsinfo notes by
763 extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch
*gdbarch
);
765 typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype
) (bfd
*obfd
, char *note_data
, int *note_size
, const struct elf_internal_linux_prpsinfo
*info
);
766 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
);
767 extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch
*gdbarch
, gdbarch_elfcore_write_linux_prpsinfo_ftype
*elfcore_write_linux_prpsinfo
);
769 /* Find core file memory regions */
771 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
773 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
774 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
775 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
777 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
778 core file into buffer READBUF with length LEN. Return the number of bytes read
779 (zero indicates failure).
780 failed, otherwise, return the red length of READBUF. */
782 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
784 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
785 extern ULONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
786 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
788 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared
789 libraries list from core file into buffer READBUF with length LEN.
790 Return the number of bytes read (zero indicates failure). */
792 extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch
*gdbarch
);
794 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
795 extern ULONGEST
gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
796 extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_aix_ftype
*core_xfer_shared_libraries_aix
);
798 /* How the core target converts a PTID from a core file to a string. */
800 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
802 typedef char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
803 extern char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
804 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
806 /* BFD target to use when generating a core file. */
808 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
810 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
811 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
813 /* If the elements of C++ vtables are in-place function descriptors rather
814 than normal function pointers (which may point to code or a descriptor),
817 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
818 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
820 /* Set if the least significant bit of the delta is used instead of the least
821 significant bit of the pfn for pointers to virtual member functions. */
823 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
824 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
826 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
828 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
830 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
831 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
832 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
834 /* The maximum length of an instruction on this architecture in bytes. */
836 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
838 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
839 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
841 /* Copy the instruction at FROM to TO, and make any adjustments
842 necessary to single-step it at that address.
844 REGS holds the state the thread's registers will have before
845 executing the copied instruction; the PC in REGS will refer to FROM,
846 not the copy at TO. The caller should update it to point at TO later.
848 Return a pointer to data of the architecture's choice to be passed
849 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
850 the instruction's effects have been completely simulated, with the
851 resulting state written back to REGS.
853 For a general explanation of displaced stepping and how GDB uses it,
854 see the comments in infrun.c.
856 The TO area is only guaranteed to have space for
857 gdbarch_max_insn_length (arch) bytes, so this function must not
858 write more bytes than that to that area.
860 If you do not provide this function, GDB assumes that the
861 architecture does not support displaced stepping.
863 If your architecture doesn't need to adjust instructions before
864 single-stepping them, consider using simple_displaced_step_copy_insn
867 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
869 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
870 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
871 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
873 /* Return true if GDB should use hardware single-stepping to execute
874 the displaced instruction identified by CLOSURE. If false,
875 GDB will simply restart execution at the displaced instruction
876 location, and it is up to the target to ensure GDB will receive
877 control again (e.g. by placing a software breakpoint instruction
878 into the displaced instruction buffer).
880 The default implementation returns false on all targets that
881 provide a gdbarch_software_single_step routine, and true otherwise. */
883 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
884 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
885 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
887 /* Fix up the state resulting from successfully single-stepping a
888 displaced instruction, to give the result we would have gotten from
889 stepping the instruction in its original location.
891 REGS is the register state resulting from single-stepping the
892 displaced instruction.
894 CLOSURE is the result from the matching call to
895 gdbarch_displaced_step_copy_insn.
897 If you provide gdbarch_displaced_step_copy_insn.but not this
898 function, then GDB assumes that no fixup is needed after
899 single-stepping the instruction.
901 For a general explanation of displaced stepping and how GDB uses it,
902 see the comments in infrun.c. */
904 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
906 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
907 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
908 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
910 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
912 If you provide gdbarch_displaced_step_copy_insn, you must provide
913 this function as well.
915 If your architecture uses closures that don't need to be freed, then
916 you can use simple_displaced_step_free_closure here.
918 For a general explanation of displaced stepping and how GDB uses it,
919 see the comments in infrun.c. */
921 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
922 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
923 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
925 /* Return the address of an appropriate place to put displaced
926 instructions while we step over them. There need only be one such
927 place, since we're only stepping one thread over a breakpoint at a
930 For a general explanation of displaced stepping and how GDB uses it,
931 see the comments in infrun.c. */
933 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
934 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
935 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
937 /* Relocate an instruction to execute at a different address. OLDLOC
938 is the address in the inferior memory where the instruction to
939 relocate is currently at. On input, TO points to the destination
940 where we want the instruction to be copied (and possibly adjusted)
941 to. On output, it points to one past the end of the resulting
942 instruction(s). The effect of executing the instruction at TO shall
943 be the same as if executing it at FROM. For example, call
944 instructions that implicitly push the return address on the stack
945 should be adjusted to return to the instruction after OLDLOC;
946 relative branches, and other PC-relative instructions need the
947 offset adjusted; etc. */
949 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
951 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
952 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
953 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
955 /* Refresh overlay mapped state for section OSECT. */
957 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
959 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
960 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
961 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
963 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
965 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
966 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
967 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
969 /* Handle special encoding of static variables in stabs debug info. */
971 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
973 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
974 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
975 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
977 /* Set if the address in N_SO or N_FUN stabs may be zero. */
979 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
980 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
982 /* Parse the instruction at ADDR storing in the record execution log
983 the registers REGCACHE and memory ranges that will be affected when
984 the instruction executes, along with their current values.
985 Return -1 if something goes wrong, 0 otherwise. */
987 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
989 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
990 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
991 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
993 /* Save process state after a signal.
994 Return -1 if something goes wrong, 0 otherwise. */
996 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
998 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
999 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
1000 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
1002 /* Signal translation: translate inferior's signal (target's) number
1003 into GDB's representation. The implementation of this method must
1004 be host independent. IOW, don't rely on symbols of the NAT_FILE
1005 header (the nm-*.h files), the host <signal.h> header, or similar
1006 headers. This is mainly used when cross-debugging core files ---
1007 "Live" targets hide the translation behind the target interface
1008 (target_wait, target_resume, etc.). */
1010 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
1012 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
1013 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
1014 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
1016 /* Signal translation: translate the GDB's internal signal number into
1017 the inferior's signal (target's) representation. The implementation
1018 of this method must be host independent. IOW, don't rely on symbols
1019 of the NAT_FILE header (the nm-*.h files), the host <signal.h>
1020 header, or similar headers.
1021 Return the target signal number if found, or -1 if the GDB internal
1022 signal number is invalid. */
1024 extern int gdbarch_gdb_signal_to_target_p (struct gdbarch
*gdbarch
);
1026 typedef int (gdbarch_gdb_signal_to_target_ftype
) (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1027 extern int gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1028 extern void set_gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_to_target_ftype
*gdb_signal_to_target
);
1030 /* Extra signal info inspection.
1032 Return a type suitable to inspect extra signal information. */
1034 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
1036 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
1037 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
1038 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
1040 /* Record architecture-specific information from the symbol table. */
1042 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
1044 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1045 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1046 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
1048 /* Function for the 'catch syscall' feature.
1049 Get architecture-specific system calls information from registers. */
1051 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
1053 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
1054 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
1055 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
1057 /* SystemTap related fields and functions.
1058 A NULL-terminated array of prefixes used to mark an integer constant
1059 on the architecture's assembly.
1060 For example, on x86 integer constants are written as:
1062 $10 ;; integer constant 10
1064 in this case, this prefix would be the character `$'. */
1066 extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
);
1067 extern void set_gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_prefixes
);
1069 /* A NULL-terminated array of suffixes used to mark an integer constant
1070 on the architecture's assembly. */
1072 extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
);
1073 extern void set_gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_suffixes
);
1075 /* A NULL-terminated array of prefixes used to mark a register name on
1076 the architecture's assembly.
1077 For example, on x86 the register name is written as:
1079 %eax ;; register eax
1081 in this case, this prefix would be the character `%'. */
1083 extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
);
1084 extern void set_gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_prefixes
);
1086 /* A NULL-terminated array of suffixes used to mark a register name on
1087 the architecture's assembly. */
1089 extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
);
1090 extern void set_gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_suffixes
);
1092 /* A NULL-terminated array of prefixes used to mark a register
1093 indirection on the architecture's assembly.
1094 For example, on x86 the register indirection is written as:
1096 (%eax) ;; indirecting eax
1098 in this case, this prefix would be the charater `('.
1100 Please note that we use the indirection prefix also for register
1101 displacement, e.g., `4(%eax)' on x86. */
1103 extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
);
1104 extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_prefixes
);
1106 /* A NULL-terminated array of suffixes used to mark a register
1107 indirection on the architecture's assembly.
1108 For example, on x86 the register indirection is written as:
1110 (%eax) ;; indirecting eax
1112 in this case, this prefix would be the charater `)'.
1114 Please note that we use the indirection suffix also for register
1115 displacement, e.g., `4(%eax)' on x86. */
1117 extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
);
1118 extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_suffixes
);
1120 /* Prefix(es) used to name a register using GDB's nomenclature.
1122 For example, on PPC a register is represented by a number in the assembly
1123 language (e.g., `10' is the 10th general-purpose register). However,
1124 inside GDB this same register has an `r' appended to its name, so the 10th
1125 register would be represented as `r10' internally. */
1127 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1128 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1130 /* Suffix used to name a register using GDB's nomenclature. */
1132 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1133 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1135 /* Check if S is a single operand.
1137 Single operands can be:
1138 - Literal integers, e.g. `$10' on x86
1139 - Register access, e.g. `%eax' on x86
1140 - Register indirection, e.g. `(%eax)' on x86
1141 - Register displacement, e.g. `4(%eax)' on x86
1143 This function should check for these patterns on the string
1144 and return 1 if some were found, or zero otherwise. Please try to match
1145 as much info as you can from the string, i.e., if you have to match
1146 something like `(%', do not match just the `('. */
1148 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1150 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1151 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1152 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1154 /* Function used to handle a "special case" in the parser.
1156 A "special case" is considered to be an unknown token, i.e., a token
1157 that the parser does not know how to parse. A good example of special
1158 case would be ARM's register displacement syntax:
1160 [R0, #4] ;; displacing R0 by 4
1162 Since the parser assumes that a register displacement is of the form:
1164 <number> <indirection_prefix> <register_name> <indirection_suffix>
1166 it means that it will not be able to recognize and parse this odd syntax.
1167 Therefore, we should add a special case function that will handle this token.
1169 This function should generate the proper expression form of the expression
1170 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1171 and so on). It should also return 1 if the parsing was successful, or zero
1172 if the token was not recognized as a special token (in this case, returning
1173 zero means that the special parser is deferring the parsing to the generic
1174 parser), and should advance the buffer pointer (p->arg). */
1176 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1178 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1179 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1180 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1182 /* True if the list of shared libraries is one and only for all
1183 processes, as opposed to a list of shared libraries per inferior.
1184 This usually means that all processes, although may or may not share
1185 an address space, will see the same set of symbols at the same
1188 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1189 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1191 /* On some targets, even though each inferior has its own private
1192 address space, the debug interface takes care of making breakpoints
1193 visible to all address spaces automatically. For such cases,
1194 this property should be set to true. */
1196 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1197 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1199 /* True if inferiors share an address space (e.g., uClinux). */
1201 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1202 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1203 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1205 /* True if a fast tracepoint can be set at an address. */
1207 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1208 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1209 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1211 /* Return the "auto" target charset. */
1213 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1214 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1215 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1217 /* Return the "auto" target wide charset. */
1219 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1220 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1221 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1223 /* If non-empty, this is a file extension that will be opened in place
1224 of the file extension reported by the shared library list.
1226 This is most useful for toolchains that use a post-linker tool,
1227 where the names of the files run on the target differ in extension
1228 compared to the names of the files GDB should load for debug info. */
1230 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1231 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1233 /* If true, the target OS has DOS-based file system semantics. That
1234 is, absolute paths include a drive name, and the backslash is
1235 considered a directory separator. */
1237 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1238 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1240 /* Generate bytecodes to collect the return address in a frame.
1241 Since the bytecodes run on the target, possibly with GDB not even
1242 connected, the full unwinding machinery is not available, and
1243 typically this function will issue bytecodes for one or more likely
1244 places that the return address may be found. */
1246 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1247 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1248 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1250 /* Implement the "info proc" command. */
1252 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1254 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1255 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1256 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1258 /* Implement the "info proc" command for core files. Noe that there
1259 are two "info_proc"-like methods on gdbarch -- one for core files,
1260 one for live targets. */
1262 extern int gdbarch_core_info_proc_p (struct gdbarch
*gdbarch
);
1264 typedef void (gdbarch_core_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1265 extern void gdbarch_core_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1266 extern void set_gdbarch_core_info_proc (struct gdbarch
*gdbarch
, gdbarch_core_info_proc_ftype
*core_info_proc
);
1268 /* Iterate over all objfiles in the order that makes the most sense
1269 for the architecture to make global symbol searches.
1271 CB is a callback function where OBJFILE is the objfile to be searched,
1272 and CB_DATA a pointer to user-defined data (the same data that is passed
1273 when calling this gdbarch method). The iteration stops if this function
1276 CB_DATA is a pointer to some user-defined data to be passed to
1279 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1280 inspected when the symbol search was requested. */
1282 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
);
1283 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
);
1284 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
);
1286 /* Ravenscar arch-dependent ops. */
1288 extern struct ravenscar_arch_ops
* gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
);
1289 extern void set_gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
, struct ravenscar_arch_ops
* ravenscar_ops
);
1291 /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */
1293 typedef int (gdbarch_insn_is_call_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1294 extern int gdbarch_insn_is_call (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1295 extern void set_gdbarch_insn_is_call (struct gdbarch
*gdbarch
, gdbarch_insn_is_call_ftype
*insn_is_call
);
1297 /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */
1299 typedef int (gdbarch_insn_is_ret_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1300 extern int gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1301 extern void set_gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, gdbarch_insn_is_ret_ftype
*insn_is_ret
);
1303 /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */
1305 typedef int (gdbarch_insn_is_jump_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1306 extern int gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1307 extern void set_gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, gdbarch_insn_is_jump_ftype
*insn_is_jump
);
1309 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
1310 Return 0 if *READPTR is already at the end of the buffer.
1311 Return -1 if there is insufficient buffer for a whole entry.
1312 Return 1 if an entry was read into *TYPEP and *VALP. */
1314 extern int gdbarch_auxv_parse_p (struct gdbarch
*gdbarch
);
1316 typedef int (gdbarch_auxv_parse_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1317 extern int gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1318 extern void set_gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdbarch_auxv_parse_ftype
*auxv_parse
);
1320 /* Definition for an unknown syscall, used basically in error-cases. */
1321 #define UNKNOWN_SYSCALL (-1)
1323 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1326 /* Mechanism for co-ordinating the selection of a specific
1329 GDB targets (*-tdep.c) can register an interest in a specific
1330 architecture. Other GDB components can register a need to maintain
1331 per-architecture data.
1333 The mechanisms below ensures that there is only a loose connection
1334 between the set-architecture command and the various GDB
1335 components. Each component can independently register their need
1336 to maintain architecture specific data with gdbarch.
1340 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1343 The more traditional mega-struct containing architecture specific
1344 data for all the various GDB components was also considered. Since
1345 GDB is built from a variable number of (fairly independent)
1346 components it was determined that the global aproach was not
1350 /* Register a new architectural family with GDB.
1352 Register support for the specified ARCHITECTURE with GDB. When
1353 gdbarch determines that the specified architecture has been
1354 selected, the corresponding INIT function is called.
1358 The INIT function takes two parameters: INFO which contains the
1359 information available to gdbarch about the (possibly new)
1360 architecture; ARCHES which is a list of the previously created
1361 ``struct gdbarch'' for this architecture.
1363 The INFO parameter is, as far as possible, be pre-initialized with
1364 information obtained from INFO.ABFD or the global defaults.
1366 The ARCHES parameter is a linked list (sorted most recently used)
1367 of all the previously created architures for this architecture
1368 family. The (possibly NULL) ARCHES->gdbarch can used to access
1369 values from the previously selected architecture for this
1370 architecture family.
1372 The INIT function shall return any of: NULL - indicating that it
1373 doesn't recognize the selected architecture; an existing ``struct
1374 gdbarch'' from the ARCHES list - indicating that the new
1375 architecture is just a synonym for an earlier architecture (see
1376 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1377 - that describes the selected architecture (see gdbarch_alloc()).
1379 The DUMP_TDEP function shall print out all target specific values.
1380 Care should be taken to ensure that the function works in both the
1381 multi-arch and non- multi-arch cases. */
1385 struct gdbarch
*gdbarch
;
1386 struct gdbarch_list
*next
;
1391 /* Use default: NULL (ZERO). */
1392 const struct bfd_arch_info
*bfd_arch_info
;
1394 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1395 enum bfd_endian byte_order
;
1397 enum bfd_endian byte_order_for_code
;
1399 /* Use default: NULL (ZERO). */
1402 /* Use default: NULL (ZERO). */
1403 struct gdbarch_tdep_info
*tdep_info
;
1405 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1406 enum gdb_osabi osabi
;
1408 /* Use default: NULL (ZERO). */
1409 const struct target_desc
*target_desc
;
1412 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1413 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1415 /* DEPRECATED - use gdbarch_register() */
1416 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1418 extern void gdbarch_register (enum bfd_architecture architecture
,
1419 gdbarch_init_ftype
*,
1420 gdbarch_dump_tdep_ftype
*);
1423 /* Return a freshly allocated, NULL terminated, array of the valid
1424 architecture names. Since architectures are registered during the
1425 _initialize phase this function only returns useful information
1426 once initialization has been completed. */
1428 extern const char **gdbarch_printable_names (void);
1431 /* Helper function. Search the list of ARCHES for a GDBARCH that
1432 matches the information provided by INFO. */
1434 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1437 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1438 basic initialization using values obtained from the INFO and TDEP
1439 parameters. set_gdbarch_*() functions are called to complete the
1440 initialization of the object. */
1442 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1445 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1446 It is assumed that the caller freeds the ``struct
1449 extern void gdbarch_free (struct gdbarch
*);
1452 /* Helper function. Allocate memory from the ``struct gdbarch''
1453 obstack. The memory is freed when the corresponding architecture
1456 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1457 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1458 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1461 /* Helper function. Force an update of the current architecture.
1463 The actual architecture selected is determined by INFO, ``(gdb) set
1464 architecture'' et.al., the existing architecture and BFD's default
1465 architecture. INFO should be initialized to zero and then selected
1466 fields should be updated.
1468 Returns non-zero if the update succeeds. */
1470 extern int gdbarch_update_p (struct gdbarch_info info
);
1473 /* Helper function. Find an architecture matching info.
1475 INFO should be initialized using gdbarch_info_init, relevant fields
1476 set, and then finished using gdbarch_info_fill.
1478 Returns the corresponding architecture, or NULL if no matching
1479 architecture was found. */
1481 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1484 /* Helper function. Set the target gdbarch to "gdbarch". */
1486 extern void set_target_gdbarch (struct gdbarch
*gdbarch
);
1489 /* Register per-architecture data-pointer.
1491 Reserve space for a per-architecture data-pointer. An identifier
1492 for the reserved data-pointer is returned. That identifer should
1493 be saved in a local static variable.
1495 Memory for the per-architecture data shall be allocated using
1496 gdbarch_obstack_zalloc. That memory will be deleted when the
1497 corresponding architecture object is deleted.
1499 When a previously created architecture is re-selected, the
1500 per-architecture data-pointer for that previous architecture is
1501 restored. INIT() is not re-called.
1503 Multiple registrarants for any architecture are allowed (and
1504 strongly encouraged). */
1506 struct gdbarch_data
;
1508 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1509 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1510 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1511 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1512 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1513 struct gdbarch_data
*data
,
1516 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1519 /* Set the dynamic target-system-dependent parameters (architecture,
1520 byte-order, ...) using information found in the BFD. */
1522 extern void set_gdbarch_from_file (bfd
*);
1525 /* Initialize the current architecture to the "first" one we find on
1528 extern void initialize_current_architecture (void);
1530 /* gdbarch trace variable */
1531 extern unsigned int gdbarch_debug
;
1533 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);