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
;
61 /* The architecture associated with the inferior through the
62 connection to the target.
64 The architecture vector provides some information that is really a
65 property of the inferior, accessed through a particular target:
66 ptrace operations; the layout of certain RSP packets; the solib_ops
67 vector; etc. To differentiate architecture accesses to
68 per-inferior/target properties from
69 per-thread/per-frame/per-objfile properties, accesses to
70 per-inferior/target properties should be made through this
73 /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
74 #define target_gdbarch get_target_gdbarch ()
75 extern struct gdbarch
*get_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 /* It is not at all clear why gdbarch_smash_text_address is not folded into
605 gdbarch_addr_bits_remove. */
607 typedef CORE_ADDR (gdbarch_smash_text_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
608 extern CORE_ADDR
gdbarch_smash_text_address (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
609 extern void set_gdbarch_smash_text_address (struct gdbarch
*gdbarch
, gdbarch_smash_text_address_ftype
*smash_text_address
);
611 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
612 indicates if the target needs software single step. An ISA method to
615 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
616 breakpoints using the breakpoint system instead of blatting memory directly
619 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
620 target can single step. If not, then implement single step using breakpoints.
622 A return value of 1 means that the software_single_step breakpoints
623 were inserted; 0 means they were not. */
625 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
627 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
628 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
629 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
631 /* Return non-zero if the processor is executing a delay slot and a
632 further single-step is needed before the instruction finishes. */
634 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
636 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
637 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
638 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
640 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
641 disassembler. Perhaps objdump can handle it? */
643 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
644 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
645 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
647 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
648 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
649 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
651 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
652 evaluates non-zero, this is the address where the debugger will place
653 a step-resume breakpoint to get us past the dynamic linker. */
655 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
656 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
657 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
659 /* Some systems also have trampoline code for returning from shared libs. */
661 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
662 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
663 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
665 /* A target might have problems with watchpoints as soon as the stack
666 frame of the current function has been destroyed. This mostly happens
667 as the first action in a funtion's epilogue. in_function_epilogue_p()
668 is defined to return a non-zero value if either the given addr is one
669 instruction after the stack destroying instruction up to the trailing
670 return instruction or if we can figure out that the stack frame has
671 already been invalidated regardless of the value of addr. Targets
672 which don't suffer from that problem could just let this functionality
675 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
676 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
677 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
679 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
680 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
681 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
683 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
684 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
685 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
687 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
688 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
690 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
691 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
693 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
695 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
696 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
697 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
699 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
701 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
702 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
703 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
);
705 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
707 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
708 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
709 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
);
711 /* Is a register in a group */
713 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
714 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
715 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
717 /* Fetch the pointer to the ith function argument. */
719 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
721 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
722 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
723 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
725 /* Return the appropriate register set for a core file section with
726 name SECT_NAME and size SECT_SIZE. */
728 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
730 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
731 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
732 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
734 /* Supported register notes in a core file. */
736 extern struct core_regset_section
* gdbarch_core_regset_sections (struct gdbarch
*gdbarch
);
737 extern void set_gdbarch_core_regset_sections (struct gdbarch
*gdbarch
, struct core_regset_section
* core_regset_sections
);
739 /* Create core file notes */
741 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
743 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
744 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
745 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
747 /* Find core file memory regions */
749 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
751 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
752 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
753 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
755 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
756 core file into buffer READBUF with length LEN. */
758 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
760 typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
761 extern LONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
762 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
764 /* How the core target converts a PTID from a core file to a string. */
766 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
768 typedef char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
769 extern char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
770 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
772 /* BFD target to use when generating a core file. */
774 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
776 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
777 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
779 /* If the elements of C++ vtables are in-place function descriptors rather
780 than normal function pointers (which may point to code or a descriptor),
783 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
784 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
786 /* Set if the least significant bit of the delta is used instead of the least
787 significant bit of the pfn for pointers to virtual member functions. */
789 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
790 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
792 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
794 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
796 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
797 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
798 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
800 /* The maximum length of an instruction on this architecture in bytes. */
802 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
804 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
805 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
807 /* Copy the instruction at FROM to TO, and make any adjustments
808 necessary to single-step it at that address.
810 REGS holds the state the thread's registers will have before
811 executing the copied instruction; the PC in REGS will refer to FROM,
812 not the copy at TO. The caller should update it to point at TO later.
814 Return a pointer to data of the architecture's choice to be passed
815 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
816 the instruction's effects have been completely simulated, with the
817 resulting state written back to REGS.
819 For a general explanation of displaced stepping and how GDB uses it,
820 see the comments in infrun.c.
822 The TO area is only guaranteed to have space for
823 gdbarch_max_insn_length (arch) bytes, so this function must not
824 write more bytes than that to that area.
826 If you do not provide this function, GDB assumes that the
827 architecture does not support displaced stepping.
829 If your architecture doesn't need to adjust instructions before
830 single-stepping them, consider using simple_displaced_step_copy_insn
833 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
835 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
836 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
837 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
839 /* Return true if GDB should use hardware single-stepping to execute
840 the displaced instruction identified by CLOSURE. If false,
841 GDB will simply restart execution at the displaced instruction
842 location, and it is up to the target to ensure GDB will receive
843 control again (e.g. by placing a software breakpoint instruction
844 into the displaced instruction buffer).
846 The default implementation returns false on all targets that
847 provide a gdbarch_software_single_step routine, and true otherwise. */
849 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
850 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
851 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
853 /* Fix up the state resulting from successfully single-stepping a
854 displaced instruction, to give the result we would have gotten from
855 stepping the instruction in its original location.
857 REGS is the register state resulting from single-stepping the
858 displaced instruction.
860 CLOSURE is the result from the matching call to
861 gdbarch_displaced_step_copy_insn.
863 If you provide gdbarch_displaced_step_copy_insn.but not this
864 function, then GDB assumes that no fixup is needed after
865 single-stepping the instruction.
867 For a general explanation of displaced stepping and how GDB uses it,
868 see the comments in infrun.c. */
870 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
872 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
873 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
874 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
876 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
878 If you provide gdbarch_displaced_step_copy_insn, you must provide
879 this function as well.
881 If your architecture uses closures that don't need to be freed, then
882 you can use simple_displaced_step_free_closure here.
884 For a general explanation of displaced stepping and how GDB uses it,
885 see the comments in infrun.c. */
887 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
888 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
889 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
891 /* Return the address of an appropriate place to put displaced
892 instructions while we step over them. There need only be one such
893 place, since we're only stepping one thread over a breakpoint at a
896 For a general explanation of displaced stepping and how GDB uses it,
897 see the comments in infrun.c. */
899 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
900 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
901 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
903 /* Relocate an instruction to execute at a different address. OLDLOC
904 is the address in the inferior memory where the instruction to
905 relocate is currently at. On input, TO points to the destination
906 where we want the instruction to be copied (and possibly adjusted)
907 to. On output, it points to one past the end of the resulting
908 instruction(s). The effect of executing the instruction at TO shall
909 be the same as if executing it at FROM. For example, call
910 instructions that implicitly push the return address on the stack
911 should be adjusted to return to the instruction after OLDLOC;
912 relative branches, and other PC-relative instructions need the
913 offset adjusted; etc. */
915 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
917 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
918 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
919 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
921 /* Refresh overlay mapped state for section OSECT. */
923 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
925 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
926 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
927 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
929 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
931 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
932 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
933 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
935 /* Handle special encoding of static variables in stabs debug info. */
937 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
939 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
940 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
941 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
943 /* Set if the address in N_SO or N_FUN stabs may be zero. */
945 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
946 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
948 /* Parse the instruction at ADDR storing in the record execution log
949 the registers REGCACHE and memory ranges that will be affected when
950 the instruction executes, along with their current values.
951 Return -1 if something goes wrong, 0 otherwise. */
953 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
955 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
956 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
957 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
959 /* Save process state after a signal.
960 Return -1 if something goes wrong, 0 otherwise. */
962 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
964 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
965 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
966 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
968 /* Signal translation: translate inferior's signal (target's) number
969 into GDB's representation. The implementation of this method must
970 be host independent. IOW, don't rely on symbols of the NAT_FILE
971 header (the nm-*.h files), the host <signal.h> header, or similar
972 headers. This is mainly used when cross-debugging core files ---
973 "Live" targets hide the translation behind the target interface
974 (target_wait, target_resume, etc.). */
976 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
978 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
979 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
980 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
982 /* Extra signal info inspection.
984 Return a type suitable to inspect extra signal information. */
986 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
988 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
989 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
990 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
992 /* Record architecture-specific information from the symbol table. */
994 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
996 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
997 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
998 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
1000 /* Function for the 'catch syscall' feature.
1001 Get architecture-specific system calls information from registers. */
1003 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
1005 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
1006 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
1007 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
1009 /* SystemTap related fields and functions.
1010 Prefix used to mark an integer constant on the architecture's assembly
1011 For example, on x86 integer constants are written as:
1013 $10 ;; integer constant 10
1015 in this case, this prefix would be the character `$'. */
1017 extern const char * gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
);
1018 extern void set_gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
, const char * stap_integer_prefix
);
1020 /* Suffix used to mark an integer constant on the architecture's assembly. */
1022 extern const char * gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
);
1023 extern void set_gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
, const char * stap_integer_suffix
);
1025 /* Prefix used to mark a register name on the architecture's assembly.
1026 For example, on x86 the register name is written as:
1028 %eax ;; register eax
1030 in this case, this prefix would be the character `%'. */
1032 extern const char * gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
);
1033 extern void set_gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
, const char * stap_register_prefix
);
1035 /* Suffix used to mark a register name on the architecture's assembly */
1037 extern const char * gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
);
1038 extern void set_gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
, const char * stap_register_suffix
);
1040 /* Prefix used to mark a register indirection on the architecture's assembly.
1041 For example, on x86 the register indirection is written as:
1043 (%eax) ;; indirecting eax
1045 in this case, this prefix would be the charater `('.
1047 Please note that we use the indirection prefix also for register
1048 displacement, e.g., `4(%eax)' on x86. */
1050 extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
);
1051 extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_prefix
);
1053 /* Suffix used to mark a register indirection on the architecture's assembly.
1054 For example, on x86 the register indirection is written as:
1056 (%eax) ;; indirecting eax
1058 in this case, this prefix would be the charater `)'.
1060 Please note that we use the indirection suffix also for register
1061 displacement, e.g., `4(%eax)' on x86. */
1063 extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
);
1064 extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_suffix
);
1066 /* Prefix used to name a register using GDB's nomenclature.
1068 For example, on PPC a register is represented by a number in the assembly
1069 language (e.g., `10' is the 10th general-purpose register). However,
1070 inside GDB this same register has an `r' appended to its name, so the 10th
1071 register would be represented as `r10' internally. */
1073 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1074 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1076 /* Suffix used to name a register using GDB's nomenclature. */
1078 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1079 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1081 /* Check if S is a single operand.
1083 Single operands can be:
1084 - Literal integers, e.g. `$10' on x86
1085 - Register access, e.g. `%eax' on x86
1086 - Register indirection, e.g. `(%eax)' on x86
1087 - Register displacement, e.g. `4(%eax)' on x86
1089 This function should check for these patterns on the string
1090 and return 1 if some were found, or zero otherwise. Please try to match
1091 as much info as you can from the string, i.e., if you have to match
1092 something like `(%', do not match just the `('. */
1094 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1096 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1097 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1098 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1100 /* Function used to handle a "special case" in the parser.
1102 A "special case" is considered to be an unknown token, i.e., a token
1103 that the parser does not know how to parse. A good example of special
1104 case would be ARM's register displacement syntax:
1106 [R0, #4] ;; displacing R0 by 4
1108 Since the parser assumes that a register displacement is of the form:
1110 <number> <indirection_prefix> <register_name> <indirection_suffix>
1112 it means that it will not be able to recognize and parse this odd syntax.
1113 Therefore, we should add a special case function that will handle this token.
1115 This function should generate the proper expression form of the expression
1116 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1117 and so on). It should also return 1 if the parsing was successful, or zero
1118 if the token was not recognized as a special token (in this case, returning
1119 zero means that the special parser is deferring the parsing to the generic
1120 parser), and should advance the buffer pointer (p->arg). */
1122 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1124 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1125 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1126 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1128 /* True if the list of shared libraries is one and only for all
1129 processes, as opposed to a list of shared libraries per inferior.
1130 This usually means that all processes, although may or may not share
1131 an address space, will see the same set of symbols at the same
1134 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1135 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1137 /* On some targets, even though each inferior has its own private
1138 address space, the debug interface takes care of making breakpoints
1139 visible to all address spaces automatically. For such cases,
1140 this property should be set to true. */
1142 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1143 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1145 /* True if inferiors share an address space (e.g., uClinux). */
1147 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1148 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1149 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1151 /* True if a fast tracepoint can be set at an address. */
1153 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1154 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1155 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1157 /* Return the "auto" target charset. */
1159 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1160 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1161 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1163 /* Return the "auto" target wide charset. */
1165 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1166 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1167 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1169 /* If non-empty, this is a file extension that will be opened in place
1170 of the file extension reported by the shared library list.
1172 This is most useful for toolchains that use a post-linker tool,
1173 where the names of the files run on the target differ in extension
1174 compared to the names of the files GDB should load for debug info. */
1176 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1177 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1179 /* If true, the target OS has DOS-based file system semantics. That
1180 is, absolute paths include a drive name, and the backslash is
1181 considered a directory separator. */
1183 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1184 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1186 /* Generate bytecodes to collect the return address in a frame.
1187 Since the bytecodes run on the target, possibly with GDB not even
1188 connected, the full unwinding machinery is not available, and
1189 typically this function will issue bytecodes for one or more likely
1190 places that the return address may be found. */
1192 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1193 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1194 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1196 /* Implement the "info proc" command. */
1198 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1200 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1201 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1202 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1204 /* Iterate over all objfiles in the order that makes the most sense
1205 for the architecture to make global symbol searches.
1207 CB is a callback function where OBJFILE is the objfile to be searched,
1208 and CB_DATA a pointer to user-defined data (the same data that is passed
1209 when calling this gdbarch method). The iteration stops if this function
1212 CB_DATA is a pointer to some user-defined data to be passed to
1215 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1216 inspected when the symbol search was requested. */
1218 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
);
1219 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
);
1220 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
);
1222 /* Definition for an unknown syscall, used basically in error-cases. */
1223 #define UNKNOWN_SYSCALL (-1)
1225 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1228 /* Mechanism for co-ordinating the selection of a specific
1231 GDB targets (*-tdep.c) can register an interest in a specific
1232 architecture. Other GDB components can register a need to maintain
1233 per-architecture data.
1235 The mechanisms below ensures that there is only a loose connection
1236 between the set-architecture command and the various GDB
1237 components. Each component can independently register their need
1238 to maintain architecture specific data with gdbarch.
1242 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1245 The more traditional mega-struct containing architecture specific
1246 data for all the various GDB components was also considered. Since
1247 GDB is built from a variable number of (fairly independent)
1248 components it was determined that the global aproach was not
1252 /* Register a new architectural family with GDB.
1254 Register support for the specified ARCHITECTURE with GDB. When
1255 gdbarch determines that the specified architecture has been
1256 selected, the corresponding INIT function is called.
1260 The INIT function takes two parameters: INFO which contains the
1261 information available to gdbarch about the (possibly new)
1262 architecture; ARCHES which is a list of the previously created
1263 ``struct gdbarch'' for this architecture.
1265 The INFO parameter is, as far as possible, be pre-initialized with
1266 information obtained from INFO.ABFD or the global defaults.
1268 The ARCHES parameter is a linked list (sorted most recently used)
1269 of all the previously created architures for this architecture
1270 family. The (possibly NULL) ARCHES->gdbarch can used to access
1271 values from the previously selected architecture for this
1272 architecture family.
1274 The INIT function shall return any of: NULL - indicating that it
1275 doesn't recognize the selected architecture; an existing ``struct
1276 gdbarch'' from the ARCHES list - indicating that the new
1277 architecture is just a synonym for an earlier architecture (see
1278 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1279 - that describes the selected architecture (see gdbarch_alloc()).
1281 The DUMP_TDEP function shall print out all target specific values.
1282 Care should be taken to ensure that the function works in both the
1283 multi-arch and non- multi-arch cases. */
1287 struct gdbarch
*gdbarch
;
1288 struct gdbarch_list
*next
;
1293 /* Use default: NULL (ZERO). */
1294 const struct bfd_arch_info
*bfd_arch_info
;
1296 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1299 int byte_order_for_code
;
1301 /* Use default: NULL (ZERO). */
1304 /* Use default: NULL (ZERO). */
1305 struct gdbarch_tdep_info
*tdep_info
;
1307 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1308 enum gdb_osabi osabi
;
1310 /* Use default: NULL (ZERO). */
1311 const struct target_desc
*target_desc
;
1314 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1315 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1317 /* DEPRECATED - use gdbarch_register() */
1318 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1320 extern void gdbarch_register (enum bfd_architecture architecture
,
1321 gdbarch_init_ftype
*,
1322 gdbarch_dump_tdep_ftype
*);
1325 /* Return a freshly allocated, NULL terminated, array of the valid
1326 architecture names. Since architectures are registered during the
1327 _initialize phase this function only returns useful information
1328 once initialization has been completed. */
1330 extern const char **gdbarch_printable_names (void);
1333 /* Helper function. Search the list of ARCHES for a GDBARCH that
1334 matches the information provided by INFO. */
1336 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1339 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1340 basic initialization using values obtained from the INFO and TDEP
1341 parameters. set_gdbarch_*() functions are called to complete the
1342 initialization of the object. */
1344 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1347 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1348 It is assumed that the caller freeds the ``struct
1351 extern void gdbarch_free (struct gdbarch
*);
1354 /* Helper function. Allocate memory from the ``struct gdbarch''
1355 obstack. The memory is freed when the corresponding architecture
1358 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1359 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1360 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1363 /* Helper function. Force an update of the current architecture.
1365 The actual architecture selected is determined by INFO, ``(gdb) set
1366 architecture'' et.al., the existing architecture and BFD's default
1367 architecture. INFO should be initialized to zero and then selected
1368 fields should be updated.
1370 Returns non-zero if the update succeeds. */
1372 extern int gdbarch_update_p (struct gdbarch_info info
);
1375 /* Helper function. Find an architecture matching info.
1377 INFO should be initialized using gdbarch_info_init, relevant fields
1378 set, and then finished using gdbarch_info_fill.
1380 Returns the corresponding architecture, or NULL if no matching
1381 architecture was found. */
1383 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1386 /* Helper function. Set the global "target_gdbarch" to "gdbarch".
1388 FIXME: kettenis/20031124: Of the functions that follow, only
1389 gdbarch_from_bfd is supposed to survive. The others will
1390 dissappear since in the future GDB will (hopefully) be truly
1391 multi-arch. However, for now we're still stuck with the concept of
1392 a single active architecture. */
1394 extern void deprecated_target_gdbarch_select_hack (struct gdbarch
*gdbarch
);
1397 /* Register per-architecture data-pointer.
1399 Reserve space for a per-architecture data-pointer. An identifier
1400 for the reserved data-pointer is returned. That identifer should
1401 be saved in a local static variable.
1403 Memory for the per-architecture data shall be allocated using
1404 gdbarch_obstack_zalloc. That memory will be deleted when the
1405 corresponding architecture object is deleted.
1407 When a previously created architecture is re-selected, the
1408 per-architecture data-pointer for that previous architecture is
1409 restored. INIT() is not re-called.
1411 Multiple registrarants for any architecture are allowed (and
1412 strongly encouraged). */
1414 struct gdbarch_data
;
1416 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1417 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1418 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1419 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1420 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1421 struct gdbarch_data
*data
,
1424 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1427 /* Set the dynamic target-system-dependent parameters (architecture,
1428 byte-order, ...) using information found in the BFD. */
1430 extern void set_gdbarch_from_file (bfd
*);
1433 /* Initialize the current architecture to the "first" one we find on
1436 extern void initialize_current_architecture (void);
1438 /* gdbarch trace variable */
1439 extern unsigned int gdbarch_debug
;
1441 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);