1 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
4 /* Dynamic architecture support for GDB, the GNU debugger.
6 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
7 2007, 2008, 2009 Free Software Foundation, Inc.
9 This file is part of GDB.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 /* This file was created with the aid of ``gdbarch.sh''.
26 The Bourne shell script ``gdbarch.sh'' creates the files
27 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
28 against the existing ``gdbarch.[hc]''. Any differences found
31 If editing this file, please also run gdbarch.sh and merge any
32 changes into that script. Conversely, when making sweeping changes
33 to this file, modifying gdbarch.sh and using its output may prove
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
;
62 /* The architecture associated with the inferior through the
63 connection to the target.
65 The architecture vector provides some information that is really a
66 property of the inferior, accessed through a particular target:
67 ptrace operations; the layout of certain RSP packets; the solib_ops
68 vector; etc. To differentiate architecture accesses to
69 per-inferior/target properties from
70 per-thread/per-frame/per-objfile properties, accesses to
71 per-inferior/target properties should be made through this
74 /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
75 extern struct gdbarch
*target_gdbarch (void);
77 /* The initial, default architecture. It uses host values (for want of a better
79 extern struct gdbarch startup_gdbarch
;
82 /* Callback type for the 'iterate_over_objfiles_in_search_order'
85 typedef int (iterate_over_objfiles_in_search_order_cb_ftype
)
86 (struct objfile
*objfile
, void *cb_data
);
89 /* The following are pre-initialized by GDBARCH. */
91 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
92 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
94 extern int gdbarch_byte_order (struct gdbarch
*gdbarch
);
95 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
97 extern int gdbarch_byte_order_for_code (struct gdbarch
*gdbarch
);
98 /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
100 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
101 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
103 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
104 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
107 /* The following are initialized by the target dependent code. */
109 /* The bit byte-order has to do just with numbering of bits in debugging symbols
110 and such. Conceptually, it's quite separate from byte/word byte order. */
112 extern int gdbarch_bits_big_endian (struct gdbarch
*gdbarch
);
113 extern void set_gdbarch_bits_big_endian (struct gdbarch
*gdbarch
, int bits_big_endian
);
115 /* Number of bits in a char or unsigned char for the target machine.
116 Just like CHAR_BIT in <limits.h> but describes the target machine.
117 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
119 Number of bits in a short or unsigned short for the target machine. */
121 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
122 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
124 /* Number of bits in an int or unsigned int for the target machine. */
126 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
127 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
129 /* Number of bits in a long or unsigned long for the target machine. */
131 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
132 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
134 /* Number of bits in a long long or unsigned long long for the target
137 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
138 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
140 /* Alignment of a long long or unsigned long long for the target
143 extern int gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
);
144 extern void set_gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
, int long_long_align_bit
);
146 /* The ABI default bit-size and format for "half", "float", "double", and
147 "long double". These bit/format pairs should eventually be combined
148 into a single object. For the moment, just initialize them as a pair.
149 Each format describes both the big and little endian layouts (if
152 extern int gdbarch_half_bit (struct gdbarch
*gdbarch
);
153 extern void set_gdbarch_half_bit (struct gdbarch
*gdbarch
, int half_bit
);
155 extern const struct floatformat
** gdbarch_half_format (struct gdbarch
*gdbarch
);
156 extern void set_gdbarch_half_format (struct gdbarch
*gdbarch
, const struct floatformat
** half_format
);
158 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
159 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
161 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
162 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
164 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
165 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
167 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
168 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
170 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
171 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
173 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
174 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
176 /* For most targets, a pointer on the target and its representation as an
177 address in GDB have the same size and "look the same". For such a
178 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
179 / addr_bit will be set from it.
181 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
182 also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
183 gdbarch_address_to_pointer as well.
185 ptr_bit is the size of a pointer on the target */
187 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
188 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
190 /* addr_bit is the size of a target address as represented in gdb */
192 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
193 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
195 /* dwarf2_addr_size is the target address size as used in the Dwarf debug
196 info. For .debug_frame FDEs, this is supposed to be the target address
197 size from the associated CU header, and which is equivalent to the
198 DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
199 Unfortunately there is no good way to determine this value. Therefore
200 dwarf2_addr_size simply defaults to the target pointer size.
202 dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
203 defined using the target's pointer size so far.
205 Note that dwarf2_addr_size only needs to be redefined by a target if the
206 GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
207 and if Dwarf versions < 4 need to be supported. */
209 extern int gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
);
210 extern void set_gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
, int dwarf2_addr_size
);
212 /* One if `char' acts like `signed char', zero if `unsigned char'. */
214 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
215 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
217 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
219 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (struct regcache
*regcache
);
220 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
221 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
223 extern int gdbarch_write_pc_p (struct gdbarch
*gdbarch
);
225 typedef void (gdbarch_write_pc_ftype
) (struct regcache
*regcache
, CORE_ADDR val
);
226 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR val
);
227 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
229 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
230 whole scheme for dealing with "frames" and "frame pointers" needs a
231 serious shakedown. */
233 typedef void (gdbarch_virtual_frame_pointer_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
234 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
235 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
237 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
239 typedef enum register_status (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
240 extern enum register_status
gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
241 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
243 /* Read a register into a new struct value. If the register is wholly
244 or partly unavailable, this should call mark_value_bytes_unavailable
245 as appropriate. If this is defined, then pseudo_register_read will
248 extern int gdbarch_pseudo_register_read_value_p (struct gdbarch
*gdbarch
);
250 typedef struct value
* (gdbarch_pseudo_register_read_value_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
251 extern struct value
* gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
252 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_value_ftype
*pseudo_register_read_value
);
254 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
256 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
257 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
258 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
260 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
261 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
263 /* This macro gives the number of pseudo-registers that live in the
264 register namespace but do not get fetched or stored on the target.
265 These pseudo-registers may be aliases for other registers,
266 combinations of other registers, or they may be computed by GDB. */
268 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
269 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
271 /* Assemble agent expression bytecode to collect pseudo-register REG.
272 Return -1 if something goes wrong, 0 otherwise. */
274 extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch
*gdbarch
);
276 typedef int (gdbarch_ax_pseudo_register_collect_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
277 extern int gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
278 extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_collect_ftype
*ax_pseudo_register_collect
);
280 /* Assemble agent expression bytecode to push the value of pseudo-register
281 REG on the interpreter stack.
282 Return -1 if something goes wrong, 0 otherwise. */
284 extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch
*gdbarch
);
286 typedef int (gdbarch_ax_pseudo_register_push_stack_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
287 extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
288 extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_push_stack_ftype
*ax_pseudo_register_push_stack
);
290 /* GDB's standard (or well known) register numbers. These can map onto
291 a real register or a pseudo (computed) register or not be defined at
293 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
295 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
296 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
298 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
299 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
301 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
302 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
304 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
305 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
307 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
309 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int stab_regnr
);
310 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
311 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
313 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
315 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int ecoff_regnr
);
316 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
317 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
319 /* Convert from an sdb register number to an internal gdb register number. */
321 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int sdb_regnr
);
322 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
323 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
325 /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */
327 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
328 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
329 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
331 typedef const char * (gdbarch_register_name_ftype
) (struct gdbarch
*gdbarch
, int regnr
);
332 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
333 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
335 /* Return the type of a register specified by the architecture. Only
336 the register cache should call this function directly; others should
337 use "register_type". */
339 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
341 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
342 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
343 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
345 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
347 extern int gdbarch_dummy_id_p (struct gdbarch
*gdbarch
);
349 typedef struct frame_id (gdbarch_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
350 extern struct frame_id
gdbarch_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
351 extern void set_gdbarch_dummy_id (struct gdbarch
*gdbarch
, gdbarch_dummy_id_ftype
*dummy_id
);
353 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
354 deprecated_fp_regnum. */
356 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
357 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
359 /* See gdbint.texinfo. See infcall.c. */
361 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
363 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
);
364 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
);
365 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
367 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
368 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
370 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
372 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
);
373 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
);
374 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
376 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
377 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
378 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
380 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
382 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
383 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
384 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
386 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
388 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
389 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
390 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
392 /* MAP a GDB RAW register number onto a simulator register number. See
393 also include/...-sim.h. */
395 typedef int (gdbarch_register_sim_regno_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
396 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
397 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
399 typedef int (gdbarch_cannot_fetch_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
400 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
401 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
403 typedef int (gdbarch_cannot_store_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
404 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
405 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
407 /* setjmp/longjmp support. */
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, 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 type
*type
, int regnum
, struct frame_info
*frame
);
436 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_info
*frame
);
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 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
491 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
492 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
494 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
495 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
496 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
498 /* Return the adjusted address and kind to use for Z0/Z1 packets.
499 KIND is usually the memory length of the breakpoint, but may have a
500 different target-specific meaning. */
502 typedef void (gdbarch_remote_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
503 extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
504 extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_remote_breakpoint_from_pc_ftype
*remote_breakpoint_from_pc
);
506 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
508 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
509 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
510 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
512 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
513 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
514 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
516 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
517 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
518 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
520 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
521 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
523 /* A function can be addressed by either it's "pointer" (possibly a
524 descriptor address) or "entry point" (first executable instruction).
525 The method "convert_from_func_ptr_addr" converting the former to the
526 latter. gdbarch_deprecated_function_start_offset is being used to implement
527 a simplified subset of that functionality - the function's address
528 corresponds to the "function pointer" and the function's start
529 corresponds to the "function entry point" - and hence is redundant. */
531 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
532 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
534 /* Return the remote protocol register number associated with this
535 register. Normally the identity mapping. */
537 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
538 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
539 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
541 /* Fetch the target specific address used to represent a load module. */
543 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
545 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
546 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
547 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
549 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
550 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
552 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
554 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
555 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
556 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
558 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
560 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
561 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
562 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
564 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
565 frame-base. Enable frame-base before frame-unwind. */
567 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
569 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
570 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
571 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
573 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
575 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
576 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
577 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
579 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
580 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
581 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
583 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
584 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
586 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
587 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
588 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
590 /* On some machines there are bits in addresses which are not really
591 part of the address, but are used by the kernel, the hardware, etc.
592 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
593 we get a "real" address such as one would find in a symbol table.
594 This is used only for addresses of instructions, and even then I'm
595 not sure it's used in all contexts. It exists to deal with there
596 being a few stray bits in the PC which would mislead us, not as some
597 sort of generic thing to handle alignment or segmentation (it's
598 possible it should be in TARGET_READ_PC instead). */
600 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
601 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
602 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
604 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
605 indicates if the target needs software single step. An ISA method to
608 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
609 breakpoints using the breakpoint system instead of blatting memory directly
612 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
613 target can single step. If not, then implement single step using breakpoints.
615 A return value of 1 means that the software_single_step breakpoints
616 were inserted; 0 means they were not. */
618 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
620 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
621 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
622 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
624 /* Return non-zero if the processor is executing a delay slot and a
625 further single-step is needed before the instruction finishes. */
627 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
629 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
630 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
631 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
633 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
634 disassembler. Perhaps objdump can handle it? */
636 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
637 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
638 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
640 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
641 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
642 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
644 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
645 evaluates non-zero, this is the address where the debugger will place
646 a step-resume breakpoint to get us past the dynamic linker. */
648 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
649 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
650 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
652 /* Some systems also have trampoline code for returning from shared libs. */
654 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
655 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
656 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
658 /* A target might have problems with watchpoints as soon as the stack
659 frame of the current function has been destroyed. This mostly happens
660 as the first action in a funtion's epilogue. in_function_epilogue_p()
661 is defined to return a non-zero value if either the given addr is one
662 instruction after the stack destroying instruction up to the trailing
663 return instruction or if we can figure out that the stack frame has
664 already been invalidated regardless of the value of addr. Targets
665 which don't suffer from that problem could just let this functionality
668 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
669 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
670 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
672 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
673 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
674 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
676 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
677 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
678 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
680 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
681 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
683 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
684 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
686 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
688 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
689 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
690 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
692 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
694 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
695 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
696 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
);
698 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
700 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
701 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
702 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
);
704 /* Is a register in a group */
706 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
707 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
708 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
710 /* Fetch the pointer to the ith function argument. */
712 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
714 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
715 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
716 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
718 /* Return the appropriate register set for a core file section with
719 name SECT_NAME and size SECT_SIZE. */
721 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
723 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
724 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
725 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
727 /* Supported register notes in a core file. */
729 extern struct core_regset_section
* gdbarch_core_regset_sections (struct gdbarch
*gdbarch
);
730 extern void set_gdbarch_core_regset_sections (struct gdbarch
*gdbarch
, struct core_regset_section
* core_regset_sections
);
732 /* Create core file notes */
734 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
736 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
737 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
738 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
740 /* Find core file memory regions */
742 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
744 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
745 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
746 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
748 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
749 core file into buffer READBUF with length LEN. */
751 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
753 typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
754 extern LONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
755 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
757 /* How the core target converts a PTID from a core file to a string. */
759 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
761 typedef char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
762 extern char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
763 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
765 /* BFD target to use when generating a core file. */
767 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
769 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
770 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
772 /* If the elements of C++ vtables are in-place function descriptors rather
773 than normal function pointers (which may point to code or a descriptor),
776 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
777 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
779 /* Set if the least significant bit of the delta is used instead of the least
780 significant bit of the pfn for pointers to virtual member functions. */
782 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
783 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
785 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
787 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
789 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
790 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
791 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
793 /* The maximum length of an instruction on this architecture in bytes. */
795 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
797 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
798 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
800 /* Copy the instruction at FROM to TO, and make any adjustments
801 necessary to single-step it at that address.
803 REGS holds the state the thread's registers will have before
804 executing the copied instruction; the PC in REGS will refer to FROM,
805 not the copy at TO. The caller should update it to point at TO later.
807 Return a pointer to data of the architecture's choice to be passed
808 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
809 the instruction's effects have been completely simulated, with the
810 resulting state written back to REGS.
812 For a general explanation of displaced stepping and how GDB uses it,
813 see the comments in infrun.c.
815 The TO area is only guaranteed to have space for
816 gdbarch_max_insn_length (arch) bytes, so this function must not
817 write more bytes than that to that area.
819 If you do not provide this function, GDB assumes that the
820 architecture does not support displaced stepping.
822 If your architecture doesn't need to adjust instructions before
823 single-stepping them, consider using simple_displaced_step_copy_insn
826 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
828 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
829 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
830 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
832 /* Return true if GDB should use hardware single-stepping to execute
833 the displaced instruction identified by CLOSURE. If false,
834 GDB will simply restart execution at the displaced instruction
835 location, and it is up to the target to ensure GDB will receive
836 control again (e.g. by placing a software breakpoint instruction
837 into the displaced instruction buffer).
839 The default implementation returns false on all targets that
840 provide a gdbarch_software_single_step routine, and true otherwise. */
842 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
843 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
844 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
846 /* Fix up the state resulting from successfully single-stepping a
847 displaced instruction, to give the result we would have gotten from
848 stepping the instruction in its original location.
850 REGS is the register state resulting from single-stepping the
851 displaced instruction.
853 CLOSURE is the result from the matching call to
854 gdbarch_displaced_step_copy_insn.
856 If you provide gdbarch_displaced_step_copy_insn.but not this
857 function, then GDB assumes that no fixup is needed after
858 single-stepping the instruction.
860 For a general explanation of displaced stepping and how GDB uses it,
861 see the comments in infrun.c. */
863 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
865 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
866 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
867 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
869 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
871 If you provide gdbarch_displaced_step_copy_insn, you must provide
872 this function as well.
874 If your architecture uses closures that don't need to be freed, then
875 you can use simple_displaced_step_free_closure here.
877 For a general explanation of displaced stepping and how GDB uses it,
878 see the comments in infrun.c. */
880 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
881 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
882 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
884 /* Return the address of an appropriate place to put displaced
885 instructions while we step over them. There need only be one such
886 place, since we're only stepping one thread over a breakpoint at a
889 For a general explanation of displaced stepping and how GDB uses it,
890 see the comments in infrun.c. */
892 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
893 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
894 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
896 /* Relocate an instruction to execute at a different address. OLDLOC
897 is the address in the inferior memory where the instruction to
898 relocate is currently at. On input, TO points to the destination
899 where we want the instruction to be copied (and possibly adjusted)
900 to. On output, it points to one past the end of the resulting
901 instruction(s). The effect of executing the instruction at TO shall
902 be the same as if executing it at FROM. For example, call
903 instructions that implicitly push the return address on the stack
904 should be adjusted to return to the instruction after OLDLOC;
905 relative branches, and other PC-relative instructions need the
906 offset adjusted; etc. */
908 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
910 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
911 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
912 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
914 /* Refresh overlay mapped state for section OSECT. */
916 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
918 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
919 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
920 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
922 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
924 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
925 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
926 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
928 /* Handle special encoding of static variables in stabs debug info. */
930 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
932 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
933 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
934 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
936 /* Set if the address in N_SO or N_FUN stabs may be zero. */
938 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
939 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
941 /* Parse the instruction at ADDR storing in the record execution log
942 the registers REGCACHE and memory ranges that will be affected when
943 the instruction executes, along with their current values.
944 Return -1 if something goes wrong, 0 otherwise. */
946 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
948 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
949 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
950 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
952 /* Save process state after a signal.
953 Return -1 if something goes wrong, 0 otherwise. */
955 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
957 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
958 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
959 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
961 /* Signal translation: translate inferior's signal (target's) number
962 into GDB's representation. The implementation of this method must
963 be host independent. IOW, don't rely on symbols of the NAT_FILE
964 header (the nm-*.h files), the host <signal.h> header, or similar
965 headers. This is mainly used when cross-debugging core files ---
966 "Live" targets hide the translation behind the target interface
967 (target_wait, target_resume, etc.). */
969 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
971 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
972 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
973 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
975 /* Extra signal info inspection.
977 Return a type suitable to inspect extra signal information. */
979 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
981 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
982 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
983 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
985 /* Record architecture-specific information from the symbol table. */
987 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
989 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
990 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
991 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
993 /* Function for the 'catch syscall' feature.
994 Get architecture-specific system calls information from registers. */
996 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
998 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
999 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
1000 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
1002 /* SystemTap related fields and functions.
1003 Prefix used to mark an integer constant on the architecture's assembly
1004 For example, on x86 integer constants are written as:
1006 $10 ;; integer constant 10
1008 in this case, this prefix would be the character `$'. */
1010 extern const char * gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
);
1011 extern void set_gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
, const char * stap_integer_prefix
);
1013 /* Suffix used to mark an integer constant on the architecture's assembly. */
1015 extern const char * gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
);
1016 extern void set_gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
, const char * stap_integer_suffix
);
1018 /* Prefix used to mark a register name on the architecture's assembly.
1019 For example, on x86 the register name is written as:
1021 %eax ;; register eax
1023 in this case, this prefix would be the character `%'. */
1025 extern const char * gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
);
1026 extern void set_gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
, const char * stap_register_prefix
);
1028 /* Suffix used to mark a register name on the architecture's assembly */
1030 extern const char * gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
);
1031 extern void set_gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
, const char * stap_register_suffix
);
1033 /* Prefix used to mark a register indirection on the architecture's assembly.
1034 For example, on x86 the register indirection is written as:
1036 (%eax) ;; indirecting eax
1038 in this case, this prefix would be the charater `('.
1040 Please note that we use the indirection prefix also for register
1041 displacement, e.g., `4(%eax)' on x86. */
1043 extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
);
1044 extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_prefix
);
1046 /* Suffix used to mark a register indirection on the architecture's assembly.
1047 For example, on x86 the register indirection is written as:
1049 (%eax) ;; indirecting eax
1051 in this case, this prefix would be the charater `)'.
1053 Please note that we use the indirection suffix also for register
1054 displacement, e.g., `4(%eax)' on x86. */
1056 extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
);
1057 extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_suffix
);
1059 /* Prefix used to name a register using GDB's nomenclature.
1061 For example, on PPC a register is represented by a number in the assembly
1062 language (e.g., `10' is the 10th general-purpose register). However,
1063 inside GDB this same register has an `r' appended to its name, so the 10th
1064 register would be represented as `r10' internally. */
1066 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1067 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1069 /* Suffix used to name a register using GDB's nomenclature. */
1071 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1072 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1074 /* Check if S is a single operand.
1076 Single operands can be:
1077 - Literal integers, e.g. `$10' on x86
1078 - Register access, e.g. `%eax' on x86
1079 - Register indirection, e.g. `(%eax)' on x86
1080 - Register displacement, e.g. `4(%eax)' on x86
1082 This function should check for these patterns on the string
1083 and return 1 if some were found, or zero otherwise. Please try to match
1084 as much info as you can from the string, i.e., if you have to match
1085 something like `(%', do not match just the `('. */
1087 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1089 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1090 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1091 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1093 /* Function used to handle a "special case" in the parser.
1095 A "special case" is considered to be an unknown token, i.e., a token
1096 that the parser does not know how to parse. A good example of special
1097 case would be ARM's register displacement syntax:
1099 [R0, #4] ;; displacing R0 by 4
1101 Since the parser assumes that a register displacement is of the form:
1103 <number> <indirection_prefix> <register_name> <indirection_suffix>
1105 it means that it will not be able to recognize and parse this odd syntax.
1106 Therefore, we should add a special case function that will handle this token.
1108 This function should generate the proper expression form of the expression
1109 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1110 and so on). It should also return 1 if the parsing was successful, or zero
1111 if the token was not recognized as a special token (in this case, returning
1112 zero means that the special parser is deferring the parsing to the generic
1113 parser), and should advance the buffer pointer (p->arg). */
1115 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1117 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1118 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1119 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1121 /* True if the list of shared libraries is one and only for all
1122 processes, as opposed to a list of shared libraries per inferior.
1123 This usually means that all processes, although may or may not share
1124 an address space, will see the same set of symbols at the same
1127 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1128 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1130 /* On some targets, even though each inferior has its own private
1131 address space, the debug interface takes care of making breakpoints
1132 visible to all address spaces automatically. For such cases,
1133 this property should be set to true. */
1135 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1136 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1138 /* True if inferiors share an address space (e.g., uClinux). */
1140 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1141 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1142 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1144 /* True if a fast tracepoint can be set at an address. */
1146 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1147 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1148 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1150 /* Return the "auto" target charset. */
1152 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1153 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1154 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1156 /* Return the "auto" target wide charset. */
1158 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1159 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1160 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1162 /* If non-empty, this is a file extension that will be opened in place
1163 of the file extension reported by the shared library list.
1165 This is most useful for toolchains that use a post-linker tool,
1166 where the names of the files run on the target differ in extension
1167 compared to the names of the files GDB should load for debug info. */
1169 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1170 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1172 /* If true, the target OS has DOS-based file system semantics. That
1173 is, absolute paths include a drive name, and the backslash is
1174 considered a directory separator. */
1176 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1177 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1179 /* Generate bytecodes to collect the return address in a frame.
1180 Since the bytecodes run on the target, possibly with GDB not even
1181 connected, the full unwinding machinery is not available, and
1182 typically this function will issue bytecodes for one or more likely
1183 places that the return address may be found. */
1185 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1186 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1187 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1189 /* Implement the "info proc" command. */
1191 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1193 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1194 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1195 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1197 /* Implement the "info proc" command for core files. Noe that there
1198 are two "info_proc"-like methods on gdbarch -- one for core files,
1199 one for live targets. */
1201 extern int gdbarch_core_info_proc_p (struct gdbarch
*gdbarch
);
1203 typedef void (gdbarch_core_info_proc_ftype
) (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1204 extern void gdbarch_core_info_proc (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1205 extern void set_gdbarch_core_info_proc (struct gdbarch
*gdbarch
, gdbarch_core_info_proc_ftype
*core_info_proc
);
1207 /* Iterate over all objfiles in the order that makes the most sense
1208 for the architecture to make global symbol searches.
1210 CB is a callback function where OBJFILE is the objfile to be searched,
1211 and CB_DATA a pointer to user-defined data (the same data that is passed
1212 when calling this gdbarch method). The iteration stops if this function
1215 CB_DATA is a pointer to some user-defined data to be passed to
1218 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1219 inspected when the symbol search was requested. */
1221 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
);
1222 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
);
1223 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
);
1225 /* Ravenscar arch-dependent ops. */
1227 extern struct ravenscar_arch_ops
* gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
);
1228 extern void set_gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
, struct ravenscar_arch_ops
* ravenscar_ops
);
1230 /* Definition for an unknown syscall, used basically in error-cases. */
1231 #define UNKNOWN_SYSCALL (-1)
1233 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1236 /* Mechanism for co-ordinating the selection of a specific
1239 GDB targets (*-tdep.c) can register an interest in a specific
1240 architecture. Other GDB components can register a need to maintain
1241 per-architecture data.
1243 The mechanisms below ensures that there is only a loose connection
1244 between the set-architecture command and the various GDB
1245 components. Each component can independently register their need
1246 to maintain architecture specific data with gdbarch.
1250 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1253 The more traditional mega-struct containing architecture specific
1254 data for all the various GDB components was also considered. Since
1255 GDB is built from a variable number of (fairly independent)
1256 components it was determined that the global aproach was not
1260 /* Register a new architectural family with GDB.
1262 Register support for the specified ARCHITECTURE with GDB. When
1263 gdbarch determines that the specified architecture has been
1264 selected, the corresponding INIT function is called.
1268 The INIT function takes two parameters: INFO which contains the
1269 information available to gdbarch about the (possibly new)
1270 architecture; ARCHES which is a list of the previously created
1271 ``struct gdbarch'' for this architecture.
1273 The INFO parameter is, as far as possible, be pre-initialized with
1274 information obtained from INFO.ABFD or the global defaults.
1276 The ARCHES parameter is a linked list (sorted most recently used)
1277 of all the previously created architures for this architecture
1278 family. The (possibly NULL) ARCHES->gdbarch can used to access
1279 values from the previously selected architecture for this
1280 architecture family.
1282 The INIT function shall return any of: NULL - indicating that it
1283 doesn't recognize the selected architecture; an existing ``struct
1284 gdbarch'' from the ARCHES list - indicating that the new
1285 architecture is just a synonym for an earlier architecture (see
1286 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1287 - that describes the selected architecture (see gdbarch_alloc()).
1289 The DUMP_TDEP function shall print out all target specific values.
1290 Care should be taken to ensure that the function works in both the
1291 multi-arch and non- multi-arch cases. */
1295 struct gdbarch
*gdbarch
;
1296 struct gdbarch_list
*next
;
1301 /* Use default: NULL (ZERO). */
1302 const struct bfd_arch_info
*bfd_arch_info
;
1304 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1307 int byte_order_for_code
;
1309 /* Use default: NULL (ZERO). */
1312 /* Use default: NULL (ZERO). */
1313 struct gdbarch_tdep_info
*tdep_info
;
1315 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1316 enum gdb_osabi osabi
;
1318 /* Use default: NULL (ZERO). */
1319 const struct target_desc
*target_desc
;
1322 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1323 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1325 /* DEPRECATED - use gdbarch_register() */
1326 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1328 extern void gdbarch_register (enum bfd_architecture architecture
,
1329 gdbarch_init_ftype
*,
1330 gdbarch_dump_tdep_ftype
*);
1333 /* Return a freshly allocated, NULL terminated, array of the valid
1334 architecture names. Since architectures are registered during the
1335 _initialize phase this function only returns useful information
1336 once initialization has been completed. */
1338 extern const char **gdbarch_printable_names (void);
1341 /* Helper function. Search the list of ARCHES for a GDBARCH that
1342 matches the information provided by INFO. */
1344 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1347 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1348 basic initialization using values obtained from the INFO and TDEP
1349 parameters. set_gdbarch_*() functions are called to complete the
1350 initialization of the object. */
1352 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1355 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1356 It is assumed that the caller freeds the ``struct
1359 extern void gdbarch_free (struct gdbarch
*);
1362 /* Helper function. Allocate memory from the ``struct gdbarch''
1363 obstack. The memory is freed when the corresponding architecture
1366 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1367 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1368 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1371 /* Helper function. Force an update of the current architecture.
1373 The actual architecture selected is determined by INFO, ``(gdb) set
1374 architecture'' et.al., the existing architecture and BFD's default
1375 architecture. INFO should be initialized to zero and then selected
1376 fields should be updated.
1378 Returns non-zero if the update succeeds. */
1380 extern int gdbarch_update_p (struct gdbarch_info info
);
1383 /* Helper function. Find an architecture matching info.
1385 INFO should be initialized using gdbarch_info_init, relevant fields
1386 set, and then finished using gdbarch_info_fill.
1388 Returns the corresponding architecture, or NULL if no matching
1389 architecture was found. */
1391 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1394 /* Helper function. Set the target gdbarch to "gdbarch". */
1396 extern void set_target_gdbarch (struct gdbarch
*gdbarch
);
1399 /* Register per-architecture data-pointer.
1401 Reserve space for a per-architecture data-pointer. An identifier
1402 for the reserved data-pointer is returned. That identifer should
1403 be saved in a local static variable.
1405 Memory for the per-architecture data shall be allocated using
1406 gdbarch_obstack_zalloc. That memory will be deleted when the
1407 corresponding architecture object is deleted.
1409 When a previously created architecture is re-selected, the
1410 per-architecture data-pointer for that previous architecture is
1411 restored. INIT() is not re-called.
1413 Multiple registrarants for any architecture are allowed (and
1414 strongly encouraged). */
1416 struct gdbarch_data
;
1418 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1419 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1420 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1421 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1422 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1423 struct gdbarch_data
*data
,
1426 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1429 /* Set the dynamic target-system-dependent parameters (architecture,
1430 byte-order, ...) using information found in the BFD. */
1432 extern void set_gdbarch_from_file (bfd
*);
1435 /* Initialize the current architecture to the "first" one we find on
1438 extern void initialize_current_architecture (void);
1440 /* gdbarch trace variable */
1441 extern unsigned int gdbarch_debug
;
1443 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);