1 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
3 /* Dynamic architecture support for GDB, the GNU debugger.
5 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
6 2007, 2008, 2009 Free Software Foundation, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* This file was created with the aid of ``gdbarch.sh''.
25 The Bourne shell script ``gdbarch.sh'' creates the files
26 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
27 against the existing ``gdbarch.[hc]''. Any differences found
30 If editing this file, please also run gdbarch.sh and merge any
31 changes into that script. Conversely, when making sweeping changes
32 to this file, modifying gdbarch.sh and using its output may prove
44 struct minimal_symbol
;
48 struct disassemble_info
;
51 struct bp_target_info
;
53 struct displaced_step_closure
;
54 struct core_regset_section
;
58 struct stap_parse_info
;
60 /* The architecture associated with the connection to the target.
62 The architecture vector provides some information that is really
63 a property of the target: The layout of certain packets, for instance;
64 or the solib_ops vector. Etc. To differentiate architecture accesses
65 to per-target properties from per-thread/per-frame/per-objfile properties,
66 accesses to per-target properties should be made through target_gdbarch.
68 Eventually, when support for multiple targets is implemented in
69 GDB, this global should be made target-specific. */
70 extern struct gdbarch
*target_gdbarch
;
72 /* Callback type for the 'iterate_over_objfiles_in_search_order'
75 typedef int (iterate_over_objfiles_in_search_order_cb_ftype
)
76 (struct objfile
*objfile
, void *cb_data
);
79 /* The following are pre-initialized by GDBARCH. */
81 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
82 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
84 extern int gdbarch_byte_order (struct gdbarch
*gdbarch
);
85 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
87 extern int gdbarch_byte_order_for_code (struct gdbarch
*gdbarch
);
88 /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
90 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
91 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
93 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
94 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
97 /* The following are initialized by the target dependent code. */
99 /* The bit byte-order has to do just with numbering of bits in debugging symbols
100 and such. Conceptually, it's quite separate from byte/word byte order. */
102 extern int gdbarch_bits_big_endian (struct gdbarch
*gdbarch
);
103 extern void set_gdbarch_bits_big_endian (struct gdbarch
*gdbarch
, int bits_big_endian
);
105 /* Number of bits in a char or unsigned char for the target machine.
106 Just like CHAR_BIT in <limits.h> but describes the target machine.
107 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
109 Number of bits in a short or unsigned short for the target machine. */
111 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
112 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
114 /* Number of bits in an int or unsigned int for the target machine. */
116 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
117 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
119 /* Number of bits in a long or unsigned long for the target machine. */
121 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
122 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
124 /* Number of bits in a long long or unsigned long long for the target
127 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
128 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
130 /* Alignment of a long long or unsigned long long for the target
133 extern int gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
);
134 extern void set_gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
, int long_long_align_bit
);
136 /* The ABI default bit-size and format for "half", "float", "double", and
137 "long double". These bit/format pairs should eventually be combined
138 into a single object. For the moment, just initialize them as a pair.
139 Each format describes both the big and little endian layouts (if
142 extern int gdbarch_half_bit (struct gdbarch
*gdbarch
);
143 extern void set_gdbarch_half_bit (struct gdbarch
*gdbarch
, int half_bit
);
145 extern const struct floatformat
** gdbarch_half_format (struct gdbarch
*gdbarch
);
146 extern void set_gdbarch_half_format (struct gdbarch
*gdbarch
, const struct floatformat
** half_format
);
148 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
149 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
151 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
152 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
154 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
155 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
157 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
158 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
160 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
161 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
163 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
164 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
166 /* For most targets, a pointer on the target and its representation as an
167 address in GDB have the same size and "look the same". For such a
168 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
169 / addr_bit will be set from it.
171 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
172 also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
173 gdbarch_address_to_pointer as well.
175 ptr_bit is the size of a pointer on the target */
177 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
178 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
180 /* addr_bit is the size of a target address as represented in gdb */
182 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
183 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
185 /* dwarf2_addr_size is the target address size as used in the Dwarf debug
186 info. For .debug_frame FDEs, this is supposed to be the target address
187 size from the associated CU header, and which is equivalent to the
188 DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
189 Unfortunately there is no good way to determine this value. Therefore
190 dwarf2_addr_size simply defaults to the target pointer size.
192 dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
193 defined using the target's pointer size so far.
195 Note that dwarf2_addr_size only needs to be redefined by a target if the
196 GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
197 and if Dwarf versions < 4 need to be supported. */
199 extern int gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
);
200 extern void set_gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
, int dwarf2_addr_size
);
202 /* One if `char' acts like `signed char', zero if `unsigned char'. */
204 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
205 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
207 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
209 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (struct regcache
*regcache
);
210 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
211 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
213 extern int gdbarch_write_pc_p (struct gdbarch
*gdbarch
);
215 typedef void (gdbarch_write_pc_ftype
) (struct regcache
*regcache
, CORE_ADDR val
);
216 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR val
);
217 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
219 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
220 whole scheme for dealing with "frames" and "frame pointers" needs a
221 serious shakedown. */
223 typedef void (gdbarch_virtual_frame_pointer_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
224 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
225 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
227 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
229 typedef enum register_status (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
230 extern enum register_status
gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
231 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
233 /* Read a register into a new struct value. If the register is wholly
234 or partly unavailable, this should call mark_value_bytes_unavailable
235 as appropriate. If this is defined, then pseudo_register_read will
238 extern int gdbarch_pseudo_register_read_value_p (struct gdbarch
*gdbarch
);
240 typedef struct value
* (gdbarch_pseudo_register_read_value_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
241 extern struct value
* gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
242 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_value_ftype
*pseudo_register_read_value
);
244 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
246 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
247 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
248 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
250 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
251 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
253 /* This macro gives the number of pseudo-registers that live in the
254 register namespace but do not get fetched or stored on the target.
255 These pseudo-registers may be aliases for other registers,
256 combinations of other registers, or they may be computed by GDB. */
258 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
259 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
261 /* Assemble agent expression bytecode to collect pseudo-register REG.
262 Return -1 if something goes wrong, 0 otherwise. */
264 extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch
*gdbarch
);
266 typedef int (gdbarch_ax_pseudo_register_collect_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
267 extern int gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
268 extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_collect_ftype
*ax_pseudo_register_collect
);
270 /* Assemble agent expression bytecode to push the value of pseudo-register
271 REG on the interpreter stack.
272 Return -1 if something goes wrong, 0 otherwise. */
274 extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch
*gdbarch
);
276 typedef int (gdbarch_ax_pseudo_register_push_stack_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
277 extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
278 extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_push_stack_ftype
*ax_pseudo_register_push_stack
);
280 /* GDB's standard (or well known) register numbers. These can map onto
281 a real register or a pseudo (computed) register or not be defined at
283 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
285 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
286 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
288 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
289 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
291 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
292 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
294 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
295 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
297 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
299 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int stab_regnr
);
300 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
301 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
303 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
305 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int ecoff_regnr
);
306 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
307 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
309 /* Convert from an sdb register number to an internal gdb register number. */
311 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int sdb_regnr
);
312 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
313 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
315 /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */
317 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
318 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
319 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
321 typedef const char * (gdbarch_register_name_ftype
) (struct gdbarch
*gdbarch
, int regnr
);
322 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
323 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
325 /* Return the type of a register specified by the architecture. Only
326 the register cache should call this function directly; others should
327 use "register_type". */
329 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
331 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
332 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
333 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
335 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
337 extern int gdbarch_dummy_id_p (struct gdbarch
*gdbarch
);
339 typedef struct frame_id (gdbarch_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
340 extern struct frame_id
gdbarch_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
341 extern void set_gdbarch_dummy_id (struct gdbarch
*gdbarch
, gdbarch_dummy_id_ftype
*dummy_id
);
343 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
344 deprecated_fp_regnum. */
346 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
347 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
349 /* See gdbint.texinfo. See infcall.c. */
351 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
353 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
);
354 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
);
355 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
357 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
358 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
360 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
362 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
);
363 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
);
364 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
366 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
367 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
368 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
370 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
372 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
373 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
374 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
376 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
378 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
379 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
380 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
382 /* MAP a GDB RAW register number onto a simulator register number. See
383 also include/...-sim.h. */
385 typedef int (gdbarch_register_sim_regno_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
386 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
387 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
389 typedef int (gdbarch_cannot_fetch_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
390 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
391 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
393 typedef int (gdbarch_cannot_store_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
394 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
395 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
397 /* setjmp/longjmp support. */
399 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
401 typedef int (gdbarch_get_longjmp_target_ftype
) (struct frame_info
*frame
, CORE_ADDR
*pc
);
402 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR
*pc
);
403 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
405 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
406 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
408 typedef int (gdbarch_convert_register_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
409 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
410 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
412 typedef int (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
, int *optimizedp
, int *unavailablep
);
413 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
);
414 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
416 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
417 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
418 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
420 /* Construct a value representing the contents of register REGNUM in
421 frame FRAME, interpreted as type TYPE. The routine needs to
422 allocate and return a struct value with all value attributes
423 (but not the value contents) filled in. */
425 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct type
*type
, int regnum
, struct frame_info
*frame
);
426 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_info
*frame
);
427 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
429 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
430 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
431 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
433 typedef void (gdbarch_address_to_pointer_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
434 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
435 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
437 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
439 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
440 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
441 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
443 /* Return the return-value convention that will be used by FUNCTION
444 to return a value of type VALTYPE. FUNCTION may be NULL in which
445 case the return convention is computed based only on VALTYPE.
447 If READBUF is not NULL, extract the return value and save it in this buffer.
449 If WRITEBUF is not NULL, it contains a return value which will be
450 stored into the appropriate register. This can be used when we want
451 to force the value returned by a function (see the "return" command
454 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
456 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
);
457 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
);
458 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
460 /* Return true if the return value of function is stored in the first hidden
461 parameter. In theory, this feature should be language-dependent, specified
462 by language and its ABI, such as C++. Unfortunately, compiler may
463 implement it to a target-dependent feature. So that we need such hook here
464 to be aware of this in GDB. */
466 typedef int (gdbarch_return_in_first_hidden_param_p_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
467 extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch
*gdbarch
, struct type
*type
);
468 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
);
470 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
471 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
472 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
474 extern int gdbarch_skip_main_prologue_p (struct gdbarch
*gdbarch
);
476 typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
477 extern CORE_ADDR
gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
478 extern void set_gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_main_prologue_ftype
*skip_main_prologue
);
480 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
481 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
482 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
484 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
485 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
486 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
488 /* Return the adjusted address and kind to use for Z0/Z1 packets.
489 KIND is usually the memory length of the breakpoint, but may have a
490 different target-specific meaning. */
492 typedef void (gdbarch_remote_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
493 extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
494 extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_remote_breakpoint_from_pc_ftype
*remote_breakpoint_from_pc
);
496 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
498 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
499 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
500 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
502 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
503 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
504 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
506 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
507 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
508 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
510 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
511 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
513 /* A function can be addressed by either it's "pointer" (possibly a
514 descriptor address) or "entry point" (first executable instruction).
515 The method "convert_from_func_ptr_addr" converting the former to the
516 latter. gdbarch_deprecated_function_start_offset is being used to implement
517 a simplified subset of that functionality - the function's address
518 corresponds to the "function pointer" and the function's start
519 corresponds to the "function entry point" - and hence is redundant. */
521 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
522 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
524 /* Return the remote protocol register number associated with this
525 register. Normally the identity mapping. */
527 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
528 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
529 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
531 /* Fetch the target specific address used to represent a load module. */
533 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
535 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
536 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
537 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
539 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
540 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
542 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
544 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
545 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
546 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
548 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
550 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
551 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
552 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
554 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
555 frame-base. Enable frame-base before frame-unwind. */
557 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
559 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
560 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
561 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
563 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
565 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
566 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
567 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
569 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
570 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
571 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
573 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
574 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
576 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
577 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
578 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
580 /* On some machines there are bits in addresses which are not really
581 part of the address, but are used by the kernel, the hardware, etc.
582 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
583 we get a "real" address such as one would find in a symbol table.
584 This is used only for addresses of instructions, and even then I'm
585 not sure it's used in all contexts. It exists to deal with there
586 being a few stray bits in the PC which would mislead us, not as some
587 sort of generic thing to handle alignment or segmentation (it's
588 possible it should be in TARGET_READ_PC instead). */
590 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
591 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
592 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
594 /* It is not at all clear why gdbarch_smash_text_address is not folded into
595 gdbarch_addr_bits_remove. */
597 typedef CORE_ADDR (gdbarch_smash_text_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
598 extern CORE_ADDR
gdbarch_smash_text_address (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
599 extern void set_gdbarch_smash_text_address (struct gdbarch
*gdbarch
, gdbarch_smash_text_address_ftype
*smash_text_address
);
601 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
602 indicates if the target needs software single step. An ISA method to
605 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
606 breakpoints using the breakpoint system instead of blatting memory directly
609 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
610 target can single step. If not, then implement single step using breakpoints.
612 A return value of 1 means that the software_single_step breakpoints
613 were inserted; 0 means they were not. */
615 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
617 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
618 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
619 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
621 /* Return non-zero if the processor is executing a delay slot and a
622 further single-step is needed before the instruction finishes. */
624 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
626 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
627 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
628 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
630 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
631 disassembler. Perhaps objdump can handle it? */
633 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
634 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
635 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
637 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
638 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
639 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
641 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
642 evaluates non-zero, this is the address where the debugger will place
643 a step-resume breakpoint to get us past the dynamic linker. */
645 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
646 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
647 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
649 /* Some systems also have trampoline code for returning from shared libs. */
651 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
652 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
653 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
655 /* A target might have problems with watchpoints as soon as the stack
656 frame of the current function has been destroyed. This mostly happens
657 as the first action in a funtion's epilogue. in_function_epilogue_p()
658 is defined to return a non-zero value if either the given addr is one
659 instruction after the stack destroying instruction up to the trailing
660 return instruction or if we can figure out that the stack frame has
661 already been invalidated regardless of the value of addr. Targets
662 which don't suffer from that problem could just let this functionality
665 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
666 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
667 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
669 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
670 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
671 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
673 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
674 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
675 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
677 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
678 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
680 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
681 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
683 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
685 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
686 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
687 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
689 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
691 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
692 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
693 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
);
695 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
697 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
698 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
699 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
);
701 /* Is a register in a group */
703 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
704 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
705 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
707 /* Fetch the pointer to the ith function argument. */
709 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
711 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
712 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
713 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
715 /* Return the appropriate register set for a core file section with
716 name SECT_NAME and size SECT_SIZE. */
718 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
720 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
721 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
722 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
724 /* Supported register notes in a core file. */
726 extern struct core_regset_section
* gdbarch_core_regset_sections (struct gdbarch
*gdbarch
);
727 extern void set_gdbarch_core_regset_sections (struct gdbarch
*gdbarch
, struct core_regset_section
* core_regset_sections
);
729 /* Create core file notes */
731 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
733 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
734 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
735 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
737 /* Find core file memory regions */
739 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
741 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
742 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
743 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
745 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
746 core file into buffer READBUF with length LEN. */
748 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
750 typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
751 extern LONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
752 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
754 /* How the core target converts a PTID from a core file to a string. */
756 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
758 typedef char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
759 extern char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
760 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
762 /* BFD target to use when generating a core file. */
764 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
766 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
767 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
769 /* If the elements of C++ vtables are in-place function descriptors rather
770 than normal function pointers (which may point to code or a descriptor),
773 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
774 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
776 /* Set if the least significant bit of the delta is used instead of the least
777 significant bit of the pfn for pointers to virtual member functions. */
779 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
780 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
782 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
784 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
786 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
787 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
788 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
790 /* The maximum length of an instruction on this architecture in bytes. */
792 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
794 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
795 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
797 /* Copy the instruction at FROM to TO, and make any adjustments
798 necessary to single-step it at that address.
800 REGS holds the state the thread's registers will have before
801 executing the copied instruction; the PC in REGS will refer to FROM,
802 not the copy at TO. The caller should update it to point at TO later.
804 Return a pointer to data of the architecture's choice to be passed
805 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
806 the instruction's effects have been completely simulated, with the
807 resulting state written back to REGS.
809 For a general explanation of displaced stepping and how GDB uses it,
810 see the comments in infrun.c.
812 The TO area is only guaranteed to have space for
813 gdbarch_max_insn_length (arch) bytes, so this function must not
814 write more bytes than that to that area.
816 If you do not provide this function, GDB assumes that the
817 architecture does not support displaced stepping.
819 If your architecture doesn't need to adjust instructions before
820 single-stepping them, consider using simple_displaced_step_copy_insn
823 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
825 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
826 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
827 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
829 /* Return true if GDB should use hardware single-stepping to execute
830 the displaced instruction identified by CLOSURE. If false,
831 GDB will simply restart execution at the displaced instruction
832 location, and it is up to the target to ensure GDB will receive
833 control again (e.g. by placing a software breakpoint instruction
834 into the displaced instruction buffer).
836 The default implementation returns false on all targets that
837 provide a gdbarch_software_single_step routine, and true otherwise. */
839 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
840 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
841 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
843 /* Fix up the state resulting from successfully single-stepping a
844 displaced instruction, to give the result we would have gotten from
845 stepping the instruction in its original location.
847 REGS is the register state resulting from single-stepping the
848 displaced instruction.
850 CLOSURE is the result from the matching call to
851 gdbarch_displaced_step_copy_insn.
853 If you provide gdbarch_displaced_step_copy_insn.but not this
854 function, then GDB assumes that no fixup is needed after
855 single-stepping the instruction.
857 For a general explanation of displaced stepping and how GDB uses it,
858 see the comments in infrun.c. */
860 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
862 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
863 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
864 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
866 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
868 If you provide gdbarch_displaced_step_copy_insn, you must provide
869 this function as well.
871 If your architecture uses closures that don't need to be freed, then
872 you can use simple_displaced_step_free_closure here.
874 For a general explanation of displaced stepping and how GDB uses it,
875 see the comments in infrun.c. */
877 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
878 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
879 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
881 /* Return the address of an appropriate place to put displaced
882 instructions while we step over them. There need only be one such
883 place, since we're only stepping one thread over a breakpoint at a
886 For a general explanation of displaced stepping and how GDB uses it,
887 see the comments in infrun.c. */
889 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
890 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
891 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
893 /* Relocate an instruction to execute at a different address. OLDLOC
894 is the address in the inferior memory where the instruction to
895 relocate is currently at. On input, TO points to the destination
896 where we want the instruction to be copied (and possibly adjusted)
897 to. On output, it points to one past the end of the resulting
898 instruction(s). The effect of executing the instruction at TO shall
899 be the same as if executing it at FROM. For example, call
900 instructions that implicitly push the return address on the stack
901 should be adjusted to return to the instruction after OLDLOC;
902 relative branches, and other PC-relative instructions need the
903 offset adjusted; etc. */
905 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
907 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
908 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
909 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
911 /* Refresh overlay mapped state for section OSECT. */
913 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
915 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
916 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
917 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
919 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
921 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
922 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
923 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
925 /* Handle special encoding of static variables in stabs debug info. */
927 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
929 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
930 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
931 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
933 /* Set if the address in N_SO or N_FUN stabs may be zero. */
935 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
936 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
938 /* Parse the instruction at ADDR storing in the record execution log
939 the registers REGCACHE and memory ranges that will be affected when
940 the instruction executes, along with their current values.
941 Return -1 if something goes wrong, 0 otherwise. */
943 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
945 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
946 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
947 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
949 /* Save process state after a signal.
950 Return -1 if something goes wrong, 0 otherwise. */
952 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
954 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
955 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
956 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
958 /* Signal translation: translate inferior's signal (target's) number
959 into GDB's representation. The implementation of this method must
960 be host independent. IOW, don't rely on symbols of the NAT_FILE
961 header (the nm-*.h files), the host <signal.h> header, or similar
962 headers. This is mainly used when cross-debugging core files ---
963 "Live" targets hide the translation behind the target interface
964 (target_wait, target_resume, etc.). */
966 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
968 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
969 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
970 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
972 /* Extra signal info inspection.
974 Return a type suitable to inspect extra signal information. */
976 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
978 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
979 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
980 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
982 /* Record architecture-specific information from the symbol table. */
984 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
986 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
987 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
988 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
990 /* Function for the 'catch syscall' feature.
991 Get architecture-specific system calls information from registers. */
993 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
995 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
996 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
997 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
999 /* SystemTap related fields and functions.
1000 Prefix used to mark an integer constant on the architecture's assembly
1001 For example, on x86 integer constants are written as:
1003 $10 ;; integer constant 10
1005 in this case, this prefix would be the character `$'. */
1007 extern const char * gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
);
1008 extern void set_gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
, const char * stap_integer_prefix
);
1010 /* Suffix used to mark an integer constant on the architecture's assembly. */
1012 extern const char * gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
);
1013 extern void set_gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
, const char * stap_integer_suffix
);
1015 /* Prefix used to mark a register name on the architecture's assembly.
1016 For example, on x86 the register name is written as:
1018 %eax ;; register eax
1020 in this case, this prefix would be the character `%'. */
1022 extern const char * gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
);
1023 extern void set_gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
, const char * stap_register_prefix
);
1025 /* Suffix used to mark a register name on the architecture's assembly */
1027 extern const char * gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
);
1028 extern void set_gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
, const char * stap_register_suffix
);
1030 /* Prefix used to mark a register indirection on the architecture's assembly.
1031 For example, on x86 the register indirection is written as:
1033 (%eax) ;; indirecting eax
1035 in this case, this prefix would be the charater `('.
1037 Please note that we use the indirection prefix also for register
1038 displacement, e.g., `4(%eax)' on x86. */
1040 extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
);
1041 extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_prefix
);
1043 /* Suffix used to mark a register indirection on the architecture's assembly.
1044 For example, on x86 the register indirection is written as:
1046 (%eax) ;; indirecting eax
1048 in this case, this prefix would be the charater `)'.
1050 Please note that we use the indirection suffix also for register
1051 displacement, e.g., `4(%eax)' on x86. */
1053 extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
);
1054 extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_suffix
);
1056 /* Prefix used to name a register using GDB's nomenclature.
1058 For example, on PPC a register is represented by a number in the assembly
1059 language (e.g., `10' is the 10th general-purpose register). However,
1060 inside GDB this same register has an `r' appended to its name, so the 10th
1061 register would be represented as `r10' internally. */
1063 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1064 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1066 /* Suffix used to name a register using GDB's nomenclature. */
1068 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1069 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1071 /* Check if S is a single operand.
1073 Single operands can be:
1074 - Literal integers, e.g. `$10' on x86
1075 - Register access, e.g. `%eax' on x86
1076 - Register indirection, e.g. `(%eax)' on x86
1077 - Register displacement, e.g. `4(%eax)' on x86
1079 This function should check for these patterns on the string
1080 and return 1 if some were found, or zero otherwise. Please try to match
1081 as much info as you can from the string, i.e., if you have to match
1082 something like `(%', do not match just the `('. */
1084 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1086 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1087 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1088 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1090 /* Function used to handle a "special case" in the parser.
1092 A "special case" is considered to be an unknown token, i.e., a token
1093 that the parser does not know how to parse. A good example of special
1094 case would be ARM's register displacement syntax:
1096 [R0, #4] ;; displacing R0 by 4
1098 Since the parser assumes that a register displacement is of the form:
1100 <number> <indirection_prefix> <register_name> <indirection_suffix>
1102 it means that it will not be able to recognize and parse this odd syntax.
1103 Therefore, we should add a special case function that will handle this token.
1105 This function should generate the proper expression form of the expression
1106 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1107 and so on). It should also return 1 if the parsing was successful, or zero
1108 if the token was not recognized as a special token (in this case, returning
1109 zero means that the special parser is deferring the parsing to the generic
1110 parser), and should advance the buffer pointer (p->arg). */
1112 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1114 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1115 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1116 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1118 /* True if the list of shared libraries is one and only for all
1119 processes, as opposed to a list of shared libraries per inferior.
1120 This usually means that all processes, although may or may not share
1121 an address space, will see the same set of symbols at the same
1124 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1125 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1127 /* On some targets, even though each inferior has its own private
1128 address space, the debug interface takes care of making breakpoints
1129 visible to all address spaces automatically. For such cases,
1130 this property should be set to true. */
1132 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1133 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1135 /* True if inferiors share an address space (e.g., uClinux). */
1137 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1138 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1139 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1141 /* True if a fast tracepoint can be set at an address. */
1143 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1144 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1145 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1147 /* Return the "auto" target charset. */
1149 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1150 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1151 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1153 /* Return the "auto" target wide charset. */
1155 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1156 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1157 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1159 /* If non-empty, this is a file extension that will be opened in place
1160 of the file extension reported by the shared library list.
1162 This is most useful for toolchains that use a post-linker tool,
1163 where the names of the files run on the target differ in extension
1164 compared to the names of the files GDB should load for debug info. */
1166 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1167 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1169 /* If true, the target OS has DOS-based file system semantics. That
1170 is, absolute paths include a drive name, and the backslash is
1171 considered a directory separator. */
1173 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1174 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1176 /* Generate bytecodes to collect the return address in a frame.
1177 Since the bytecodes run on the target, possibly with GDB not even
1178 connected, the full unwinding machinery is not available, and
1179 typically this function will issue bytecodes for one or more likely
1180 places that the return address may be found. */
1182 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1183 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1184 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1186 /* Implement the "info proc" command. */
1188 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1190 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1191 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1192 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1194 /* Iterate over all objfiles in the order that makes the most sense
1195 for the architecture to make global symbol searches.
1197 CB is a callback function where OBJFILE is the objfile to be searched,
1198 and CB_DATA a pointer to user-defined data (the same data that is passed
1199 when calling this gdbarch method). The iteration stops if this function
1202 CB_DATA is a pointer to some user-defined data to be passed to
1205 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1206 inspected when the symbol search was requested. */
1208 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
);
1209 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
);
1210 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
);
1212 /* Definition for an unknown syscall, used basically in error-cases. */
1213 #define UNKNOWN_SYSCALL (-1)
1215 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1218 /* Mechanism for co-ordinating the selection of a specific
1221 GDB targets (*-tdep.c) can register an interest in a specific
1222 architecture. Other GDB components can register a need to maintain
1223 per-architecture data.
1225 The mechanisms below ensures that there is only a loose connection
1226 between the set-architecture command and the various GDB
1227 components. Each component can independently register their need
1228 to maintain architecture specific data with gdbarch.
1232 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1235 The more traditional mega-struct containing architecture specific
1236 data for all the various GDB components was also considered. Since
1237 GDB is built from a variable number of (fairly independent)
1238 components it was determined that the global aproach was not
1242 /* Register a new architectural family with GDB.
1244 Register support for the specified ARCHITECTURE with GDB. When
1245 gdbarch determines that the specified architecture has been
1246 selected, the corresponding INIT function is called.
1250 The INIT function takes two parameters: INFO which contains the
1251 information available to gdbarch about the (possibly new)
1252 architecture; ARCHES which is a list of the previously created
1253 ``struct gdbarch'' for this architecture.
1255 The INFO parameter is, as far as possible, be pre-initialized with
1256 information obtained from INFO.ABFD or the global defaults.
1258 The ARCHES parameter is a linked list (sorted most recently used)
1259 of all the previously created architures for this architecture
1260 family. The (possibly NULL) ARCHES->gdbarch can used to access
1261 values from the previously selected architecture for this
1262 architecture family.
1264 The INIT function shall return any of: NULL - indicating that it
1265 doesn't recognize the selected architecture; an existing ``struct
1266 gdbarch'' from the ARCHES list - indicating that the new
1267 architecture is just a synonym for an earlier architecture (see
1268 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1269 - that describes the selected architecture (see gdbarch_alloc()).
1271 The DUMP_TDEP function shall print out all target specific values.
1272 Care should be taken to ensure that the function works in both the
1273 multi-arch and non- multi-arch cases. */
1277 struct gdbarch
*gdbarch
;
1278 struct gdbarch_list
*next
;
1283 /* Use default: NULL (ZERO). */
1284 const struct bfd_arch_info
*bfd_arch_info
;
1286 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1289 int byte_order_for_code
;
1291 /* Use default: NULL (ZERO). */
1294 /* Use default: NULL (ZERO). */
1295 struct gdbarch_tdep_info
*tdep_info
;
1297 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1298 enum gdb_osabi osabi
;
1300 /* Use default: NULL (ZERO). */
1301 const struct target_desc
*target_desc
;
1304 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1305 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1307 /* DEPRECATED - use gdbarch_register() */
1308 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1310 extern void gdbarch_register (enum bfd_architecture architecture
,
1311 gdbarch_init_ftype
*,
1312 gdbarch_dump_tdep_ftype
*);
1315 /* Return a freshly allocated, NULL terminated, array of the valid
1316 architecture names. Since architectures are registered during the
1317 _initialize phase this function only returns useful information
1318 once initialization has been completed. */
1320 extern const char **gdbarch_printable_names (void);
1323 /* Helper function. Search the list of ARCHES for a GDBARCH that
1324 matches the information provided by INFO. */
1326 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1329 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1330 basic initialization using values obtained from the INFO and TDEP
1331 parameters. set_gdbarch_*() functions are called to complete the
1332 initialization of the object. */
1334 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1337 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1338 It is assumed that the caller freeds the ``struct
1341 extern void gdbarch_free (struct gdbarch
*);
1344 /* Helper function. Allocate memory from the ``struct gdbarch''
1345 obstack. The memory is freed when the corresponding architecture
1348 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1349 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1350 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1353 /* Helper function. Force an update of the current architecture.
1355 The actual architecture selected is determined by INFO, ``(gdb) set
1356 architecture'' et.al., the existing architecture and BFD's default
1357 architecture. INFO should be initialized to zero and then selected
1358 fields should be updated.
1360 Returns non-zero if the update succeeds. */
1362 extern int gdbarch_update_p (struct gdbarch_info info
);
1365 /* Helper function. Find an architecture matching info.
1367 INFO should be initialized using gdbarch_info_init, relevant fields
1368 set, and then finished using gdbarch_info_fill.
1370 Returns the corresponding architecture, or NULL if no matching
1371 architecture was found. */
1373 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1376 /* Helper function. Set the global "target_gdbarch" to "gdbarch".
1378 FIXME: kettenis/20031124: Of the functions that follow, only
1379 gdbarch_from_bfd is supposed to survive. The others will
1380 dissappear since in the future GDB will (hopefully) be truly
1381 multi-arch. However, for now we're still stuck with the concept of
1382 a single active architecture. */
1384 extern void deprecated_target_gdbarch_select_hack (struct gdbarch
*gdbarch
);
1387 /* Register per-architecture data-pointer.
1389 Reserve space for a per-architecture data-pointer. An identifier
1390 for the reserved data-pointer is returned. That identifer should
1391 be saved in a local static variable.
1393 Memory for the per-architecture data shall be allocated using
1394 gdbarch_obstack_zalloc. That memory will be deleted when the
1395 corresponding architecture object is deleted.
1397 When a previously created architecture is re-selected, the
1398 per-architecture data-pointer for that previous architecture is
1399 restored. INIT() is not re-called.
1401 Multiple registrarants for any architecture are allowed (and
1402 strongly encouraged). */
1404 struct gdbarch_data
;
1406 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1407 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1408 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1409 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1410 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1411 struct gdbarch_data
*data
,
1414 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1417 /* Set the dynamic target-system-dependent parameters (architecture,
1418 byte-order, ...) using information found in the BFD. */
1420 extern void set_gdbarch_from_file (bfd
*);
1423 /* Initialize the current architecture to the "first" one we find on
1426 extern void initialize_current_architecture (void);
1428 /* gdbarch trace variable */
1429 extern int gdbarch_debug
;
1431 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);