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 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
461 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
462 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
464 extern int gdbarch_skip_main_prologue_p (struct gdbarch
*gdbarch
);
466 typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
467 extern CORE_ADDR
gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
468 extern void set_gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_main_prologue_ftype
*skip_main_prologue
);
470 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
471 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
472 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
474 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
475 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
476 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
478 /* Return the adjusted address and kind to use for Z0/Z1 packets.
479 KIND is usually the memory length of the breakpoint, but may have a
480 different target-specific meaning. */
482 typedef void (gdbarch_remote_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
483 extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *kindptr
);
484 extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_remote_breakpoint_from_pc_ftype
*remote_breakpoint_from_pc
);
486 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
488 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
489 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
490 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
492 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
493 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
494 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
496 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
497 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
498 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
500 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
501 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
503 /* A function can be addressed by either it's "pointer" (possibly a
504 descriptor address) or "entry point" (first executable instruction).
505 The method "convert_from_func_ptr_addr" converting the former to the
506 latter. gdbarch_deprecated_function_start_offset is being used to implement
507 a simplified subset of that functionality - the function's address
508 corresponds to the "function pointer" and the function's start
509 corresponds to the "function entry point" - and hence is redundant. */
511 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
512 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
514 /* Return the remote protocol register number associated with this
515 register. Normally the identity mapping. */
517 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
518 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
519 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
521 /* Fetch the target specific address used to represent a load module. */
523 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
525 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
526 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
527 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
529 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
530 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
532 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
534 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
535 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
536 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
538 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
540 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
541 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
542 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
544 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
545 frame-base. Enable frame-base before frame-unwind. */
547 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
549 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
550 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
551 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
553 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
555 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
556 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
557 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
559 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
560 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
561 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
563 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
564 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
566 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
567 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
568 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
570 /* On some machines there are bits in addresses which are not really
571 part of the address, but are used by the kernel, the hardware, etc.
572 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
573 we get a "real" address such as one would find in a symbol table.
574 This is used only for addresses of instructions, and even then I'm
575 not sure it's used in all contexts. It exists to deal with there
576 being a few stray bits in the PC which would mislead us, not as some
577 sort of generic thing to handle alignment or segmentation (it's
578 possible it should be in TARGET_READ_PC instead). */
580 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
581 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
582 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
584 /* It is not at all clear why gdbarch_smash_text_address is not folded into
585 gdbarch_addr_bits_remove. */
587 typedef CORE_ADDR (gdbarch_smash_text_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
588 extern CORE_ADDR
gdbarch_smash_text_address (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
589 extern void set_gdbarch_smash_text_address (struct gdbarch
*gdbarch
, gdbarch_smash_text_address_ftype
*smash_text_address
);
591 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
592 indicates if the target needs software single step. An ISA method to
595 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
596 breakpoints using the breakpoint system instead of blatting memory directly
599 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
600 target can single step. If not, then implement single step using breakpoints.
602 A return value of 1 means that the software_single_step breakpoints
603 were inserted; 0 means they were not. */
605 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
607 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
608 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
609 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
611 /* Return non-zero if the processor is executing a delay slot and a
612 further single-step is needed before the instruction finishes. */
614 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
616 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
617 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
618 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
620 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
621 disassembler. Perhaps objdump can handle it? */
623 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
624 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
625 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
627 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
628 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
629 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
631 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
632 evaluates non-zero, this is the address where the debugger will place
633 a step-resume breakpoint to get us past the dynamic linker. */
635 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
636 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
637 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
639 /* Some systems also have trampoline code for returning from shared libs. */
641 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
642 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
643 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
645 /* A target might have problems with watchpoints as soon as the stack
646 frame of the current function has been destroyed. This mostly happens
647 as the first action in a funtion's epilogue. in_function_epilogue_p()
648 is defined to return a non-zero value if either the given addr is one
649 instruction after the stack destroying instruction up to the trailing
650 return instruction or if we can figure out that the stack frame has
651 already been invalidated regardless of the value of addr. Targets
652 which don't suffer from that problem could just let this functionality
655 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
656 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
657 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
659 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
660 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
661 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
663 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
664 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
665 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
667 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
668 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
670 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
671 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
673 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
675 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
676 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
677 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
679 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
681 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
682 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
683 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
);
685 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
687 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
688 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
689 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
);
691 /* Is a register in a group */
693 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
694 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
695 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
697 /* Fetch the pointer to the ith function argument. */
699 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
701 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
702 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
703 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
705 /* Return the appropriate register set for a core file section with
706 name SECT_NAME and size SECT_SIZE. */
708 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
710 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
711 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
712 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
714 /* Supported register notes in a core file. */
716 extern struct core_regset_section
* gdbarch_core_regset_sections (struct gdbarch
*gdbarch
);
717 extern void set_gdbarch_core_regset_sections (struct gdbarch
*gdbarch
, struct core_regset_section
* core_regset_sections
);
719 /* Create core file notes */
721 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
723 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
724 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
725 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
727 /* Find core file memory regions */
729 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
731 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
732 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
733 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
735 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
736 core file into buffer READBUF with length LEN. */
738 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
740 typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
741 extern LONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
742 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
744 /* How the core target converts a PTID from a core file to a string. */
746 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
748 typedef char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
749 extern char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
750 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
752 /* BFD target to use when generating a core file. */
754 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
756 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
757 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
759 /* If the elements of C++ vtables are in-place function descriptors rather
760 than normal function pointers (which may point to code or a descriptor),
763 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
764 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
766 /* Set if the least significant bit of the delta is used instead of the least
767 significant bit of the pfn for pointers to virtual member functions. */
769 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
770 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
772 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
774 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
776 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
777 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
778 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
780 /* The maximum length of an instruction on this architecture in bytes. */
782 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
784 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
785 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
787 /* Copy the instruction at FROM to TO, and make any adjustments
788 necessary to single-step it at that address.
790 REGS holds the state the thread's registers will have before
791 executing the copied instruction; the PC in REGS will refer to FROM,
792 not the copy at TO. The caller should update it to point at TO later.
794 Return a pointer to data of the architecture's choice to be passed
795 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
796 the instruction's effects have been completely simulated, with the
797 resulting state written back to REGS.
799 For a general explanation of displaced stepping and how GDB uses it,
800 see the comments in infrun.c.
802 The TO area is only guaranteed to have space for
803 gdbarch_max_insn_length (arch) bytes, so this function must not
804 write more bytes than that to that area.
806 If you do not provide this function, GDB assumes that the
807 architecture does not support displaced stepping.
809 If your architecture doesn't need to adjust instructions before
810 single-stepping them, consider using simple_displaced_step_copy_insn
813 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
815 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
816 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
817 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
819 /* Return true if GDB should use hardware single-stepping to execute
820 the displaced instruction identified by CLOSURE. If false,
821 GDB will simply restart execution at the displaced instruction
822 location, and it is up to the target to ensure GDB will receive
823 control again (e.g. by placing a software breakpoint instruction
824 into the displaced instruction buffer).
826 The default implementation returns false on all targets that
827 provide a gdbarch_software_single_step routine, and true otherwise. */
829 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
830 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
831 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
833 /* Fix up the state resulting from successfully single-stepping a
834 displaced instruction, to give the result we would have gotten from
835 stepping the instruction in its original location.
837 REGS is the register state resulting from single-stepping the
838 displaced instruction.
840 CLOSURE is the result from the matching call to
841 gdbarch_displaced_step_copy_insn.
843 If you provide gdbarch_displaced_step_copy_insn.but not this
844 function, then GDB assumes that no fixup is needed after
845 single-stepping the instruction.
847 For a general explanation of displaced stepping and how GDB uses it,
848 see the comments in infrun.c. */
850 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
852 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
853 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
854 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
856 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
858 If you provide gdbarch_displaced_step_copy_insn, you must provide
859 this function as well.
861 If your architecture uses closures that don't need to be freed, then
862 you can use simple_displaced_step_free_closure here.
864 For a general explanation of displaced stepping and how GDB uses it,
865 see the comments in infrun.c. */
867 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
868 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
869 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
871 /* Return the address of an appropriate place to put displaced
872 instructions while we step over them. There need only be one such
873 place, since we're only stepping one thread over a breakpoint at a
876 For a general explanation of displaced stepping and how GDB uses it,
877 see the comments in infrun.c. */
879 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
880 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
881 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
883 /* Relocate an instruction to execute at a different address. OLDLOC
884 is the address in the inferior memory where the instruction to
885 relocate is currently at. On input, TO points to the destination
886 where we want the instruction to be copied (and possibly adjusted)
887 to. On output, it points to one past the end of the resulting
888 instruction(s). The effect of executing the instruction at TO shall
889 be the same as if executing it at FROM. For example, call
890 instructions that implicitly push the return address on the stack
891 should be adjusted to return to the instruction after OLDLOC;
892 relative branches, and other PC-relative instructions need the
893 offset adjusted; etc. */
895 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
897 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
898 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
899 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
901 /* Refresh overlay mapped state for section OSECT. */
903 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
905 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
906 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
907 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
909 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
911 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
912 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
913 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
915 /* Handle special encoding of static variables in stabs debug info. */
917 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
919 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
920 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
921 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
923 /* Set if the address in N_SO or N_FUN stabs may be zero. */
925 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
926 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
928 /* Parse the instruction at ADDR storing in the record execution log
929 the registers REGCACHE and memory ranges that will be affected when
930 the instruction executes, along with their current values.
931 Return -1 if something goes wrong, 0 otherwise. */
933 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
935 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
936 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
937 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
939 /* Save process state after a signal.
940 Return -1 if something goes wrong, 0 otherwise. */
942 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
944 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
945 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
946 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
948 /* Signal translation: translate inferior's signal (target's) number
949 into GDB's representation. The implementation of this method must
950 be host independent. IOW, don't rely on symbols of the NAT_FILE
951 header (the nm-*.h files), the host <signal.h> header, or similar
952 headers. This is mainly used when cross-debugging core files ---
953 "Live" targets hide the translation behind the target interface
954 (target_wait, target_resume, etc.). */
956 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
958 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
959 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
960 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
962 /* Extra signal info inspection.
964 Return a type suitable to inspect extra signal information. */
966 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
968 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
969 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
970 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
972 /* Record architecture-specific information from the symbol table. */
974 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
976 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
977 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
978 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
980 /* Function for the 'catch syscall' feature.
981 Get architecture-specific system calls information from registers. */
983 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
985 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
986 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
987 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
989 /* SystemTap related fields and functions.
990 Prefix used to mark an integer constant on the architecture's assembly
991 For example, on x86 integer constants are written as:
993 $10 ;; integer constant 10
995 in this case, this prefix would be the character `$'. */
997 extern const char * gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
);
998 extern void set_gdbarch_stap_integer_prefix (struct gdbarch
*gdbarch
, const char * stap_integer_prefix
);
1000 /* Suffix used to mark an integer constant on the architecture's assembly. */
1002 extern const char * gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
);
1003 extern void set_gdbarch_stap_integer_suffix (struct gdbarch
*gdbarch
, const char * stap_integer_suffix
);
1005 /* Prefix used to mark a register name on the architecture's assembly.
1006 For example, on x86 the register name is written as:
1008 %eax ;; register eax
1010 in this case, this prefix would be the character `%'. */
1012 extern const char * gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
);
1013 extern void set_gdbarch_stap_register_prefix (struct gdbarch
*gdbarch
, const char * stap_register_prefix
);
1015 /* Suffix used to mark a register name on the architecture's assembly */
1017 extern const char * gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
);
1018 extern void set_gdbarch_stap_register_suffix (struct gdbarch
*gdbarch
, const char * stap_register_suffix
);
1020 /* Prefix used to mark a register indirection on the architecture's assembly.
1021 For example, on x86 the register indirection is written as:
1023 (%eax) ;; indirecting eax
1025 in this case, this prefix would be the charater `('.
1027 Please note that we use the indirection prefix also for register
1028 displacement, e.g., `4(%eax)' on x86. */
1030 extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
);
1031 extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_prefix
);
1033 /* Suffix used to mark a register indirection on the architecture's assembly.
1034 For example, on x86 the register indirection is written as:
1036 (%eax) ;; indirecting eax
1038 in this case, this prefix would be the charater `)'.
1040 Please note that we use the indirection suffix also for register
1041 displacement, e.g., `4(%eax)' on x86. */
1043 extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
);
1044 extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch
*gdbarch
, const char * stap_register_indirection_suffix
);
1046 /* Prefix used to name a register using GDB's nomenclature.
1048 For example, on PPC a register is represented by a number in the assembly
1049 language (e.g., `10' is the 10th general-purpose register). However,
1050 inside GDB this same register has an `r' appended to its name, so the 10th
1051 register would be represented as `r10' internally. */
1053 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1054 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1056 /* Suffix used to name a register using GDB's nomenclature. */
1058 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1059 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1061 /* Check if S is a single operand.
1063 Single operands can be:
1064 - Literal integers, e.g. `$10' on x86
1065 - Register access, e.g. `%eax' on x86
1066 - Register indirection, e.g. `(%eax)' on x86
1067 - Register displacement, e.g. `4(%eax)' on x86
1069 This function should check for these patterns on the string
1070 and return 1 if some were found, or zero otherwise. Please try to match
1071 as much info as you can from the string, i.e., if you have to match
1072 something like `(%', do not match just the `('. */
1074 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1076 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1077 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1078 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1080 /* Function used to handle a "special case" in the parser.
1082 A "special case" is considered to be an unknown token, i.e., a token
1083 that the parser does not know how to parse. A good example of special
1084 case would be ARM's register displacement syntax:
1086 [R0, #4] ;; displacing R0 by 4
1088 Since the parser assumes that a register displacement is of the form:
1090 <number> <indirection_prefix> <register_name> <indirection_suffix>
1092 it means that it will not be able to recognize and parse this odd syntax.
1093 Therefore, we should add a special case function that will handle this token.
1095 This function should generate the proper expression form of the expression
1096 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1097 and so on). It should also return 1 if the parsing was successful, or zero
1098 if the token was not recognized as a special token (in this case, returning
1099 zero means that the special parser is deferring the parsing to the generic
1100 parser), and should advance the buffer pointer (p->arg). */
1102 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1104 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1105 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1106 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1108 /* True if the list of shared libraries is one and only for all
1109 processes, as opposed to a list of shared libraries per inferior.
1110 This usually means that all processes, although may or may not share
1111 an address space, will see the same set of symbols at the same
1114 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1115 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1117 /* On some targets, even though each inferior has its own private
1118 address space, the debug interface takes care of making breakpoints
1119 visible to all address spaces automatically. For such cases,
1120 this property should be set to true. */
1122 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1123 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1125 /* True if inferiors share an address space (e.g., uClinux). */
1127 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1128 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1129 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1131 /* True if a fast tracepoint can be set at an address. */
1133 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1134 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int *isize
, char **msg
);
1135 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1137 /* Return the "auto" target charset. */
1139 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1140 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1141 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1143 /* Return the "auto" target wide charset. */
1145 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1146 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1147 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1149 /* If non-empty, this is a file extension that will be opened in place
1150 of the file extension reported by the shared library list.
1152 This is most useful for toolchains that use a post-linker tool,
1153 where the names of the files run on the target differ in extension
1154 compared to the names of the files GDB should load for debug info. */
1156 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1157 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1159 /* If true, the target OS has DOS-based file system semantics. That
1160 is, absolute paths include a drive name, and the backslash is
1161 considered a directory separator. */
1163 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1164 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1166 /* Generate bytecodes to collect the return address in a frame.
1167 Since the bytecodes run on the target, possibly with GDB not even
1168 connected, the full unwinding machinery is not available, and
1169 typically this function will issue bytecodes for one or more likely
1170 places that the return address may be found. */
1172 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1173 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1174 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1176 /* Implement the "info proc" command. */
1178 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1180 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1181 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, char *args
, enum info_proc_what what
);
1182 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1184 /* Iterate over all objfiles in the order that makes the most sense
1185 for the architecture to make global symbol searches.
1187 CB is a callback function where OBJFILE is the objfile to be searched,
1188 and CB_DATA a pointer to user-defined data (the same data that is passed
1189 when calling this gdbarch method). The iteration stops if this function
1192 CB_DATA is a pointer to some user-defined data to be passed to
1195 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1196 inspected when the symbol search was requested. */
1198 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
);
1199 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
);
1200 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
);
1202 /* Definition for an unknown syscall, used basically in error-cases. */
1203 #define UNKNOWN_SYSCALL (-1)
1205 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1208 /* Mechanism for co-ordinating the selection of a specific
1211 GDB targets (*-tdep.c) can register an interest in a specific
1212 architecture. Other GDB components can register a need to maintain
1213 per-architecture data.
1215 The mechanisms below ensures that there is only a loose connection
1216 between the set-architecture command and the various GDB
1217 components. Each component can independently register their need
1218 to maintain architecture specific data with gdbarch.
1222 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1225 The more traditional mega-struct containing architecture specific
1226 data for all the various GDB components was also considered. Since
1227 GDB is built from a variable number of (fairly independent)
1228 components it was determined that the global aproach was not
1232 /* Register a new architectural family with GDB.
1234 Register support for the specified ARCHITECTURE with GDB. When
1235 gdbarch determines that the specified architecture has been
1236 selected, the corresponding INIT function is called.
1240 The INIT function takes two parameters: INFO which contains the
1241 information available to gdbarch about the (possibly new)
1242 architecture; ARCHES which is a list of the previously created
1243 ``struct gdbarch'' for this architecture.
1245 The INFO parameter is, as far as possible, be pre-initialized with
1246 information obtained from INFO.ABFD or the global defaults.
1248 The ARCHES parameter is a linked list (sorted most recently used)
1249 of all the previously created architures for this architecture
1250 family. The (possibly NULL) ARCHES->gdbarch can used to access
1251 values from the previously selected architecture for this
1252 architecture family.
1254 The INIT function shall return any of: NULL - indicating that it
1255 doesn't recognize the selected architecture; an existing ``struct
1256 gdbarch'' from the ARCHES list - indicating that the new
1257 architecture is just a synonym for an earlier architecture (see
1258 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1259 - that describes the selected architecture (see gdbarch_alloc()).
1261 The DUMP_TDEP function shall print out all target specific values.
1262 Care should be taken to ensure that the function works in both the
1263 multi-arch and non- multi-arch cases. */
1267 struct gdbarch
*gdbarch
;
1268 struct gdbarch_list
*next
;
1273 /* Use default: NULL (ZERO). */
1274 const struct bfd_arch_info
*bfd_arch_info
;
1276 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1279 int byte_order_for_code
;
1281 /* Use default: NULL (ZERO). */
1284 /* Use default: NULL (ZERO). */
1285 struct gdbarch_tdep_info
*tdep_info
;
1287 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1288 enum gdb_osabi osabi
;
1290 /* Use default: NULL (ZERO). */
1291 const struct target_desc
*target_desc
;
1294 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1295 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1297 /* DEPRECATED - use gdbarch_register() */
1298 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1300 extern void gdbarch_register (enum bfd_architecture architecture
,
1301 gdbarch_init_ftype
*,
1302 gdbarch_dump_tdep_ftype
*);
1305 /* Return a freshly allocated, NULL terminated, array of the valid
1306 architecture names. Since architectures are registered during the
1307 _initialize phase this function only returns useful information
1308 once initialization has been completed. */
1310 extern const char **gdbarch_printable_names (void);
1313 /* Helper function. Search the list of ARCHES for a GDBARCH that
1314 matches the information provided by INFO. */
1316 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1319 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1320 basic initialization using values obtained from the INFO and TDEP
1321 parameters. set_gdbarch_*() functions are called to complete the
1322 initialization of the object. */
1324 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1327 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1328 It is assumed that the caller freeds the ``struct
1331 extern void gdbarch_free (struct gdbarch
*);
1334 /* Helper function. Allocate memory from the ``struct gdbarch''
1335 obstack. The memory is freed when the corresponding architecture
1338 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1339 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1340 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1343 /* Helper function. Force an update of the current architecture.
1345 The actual architecture selected is determined by INFO, ``(gdb) set
1346 architecture'' et.al., the existing architecture and BFD's default
1347 architecture. INFO should be initialized to zero and then selected
1348 fields should be updated.
1350 Returns non-zero if the update succeeds. */
1352 extern int gdbarch_update_p (struct gdbarch_info info
);
1355 /* Helper function. Find an architecture matching info.
1357 INFO should be initialized using gdbarch_info_init, relevant fields
1358 set, and then finished using gdbarch_info_fill.
1360 Returns the corresponding architecture, or NULL if no matching
1361 architecture was found. */
1363 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1366 /* Helper function. Set the global "target_gdbarch" to "gdbarch".
1368 FIXME: kettenis/20031124: Of the functions that follow, only
1369 gdbarch_from_bfd is supposed to survive. The others will
1370 dissappear since in the future GDB will (hopefully) be truly
1371 multi-arch. However, for now we're still stuck with the concept of
1372 a single active architecture. */
1374 extern void deprecated_target_gdbarch_select_hack (struct gdbarch
*gdbarch
);
1377 /* Register per-architecture data-pointer.
1379 Reserve space for a per-architecture data-pointer. An identifier
1380 for the reserved data-pointer is returned. That identifer should
1381 be saved in a local static variable.
1383 Memory for the per-architecture data shall be allocated using
1384 gdbarch_obstack_zalloc. That memory will be deleted when the
1385 corresponding architecture object is deleted.
1387 When a previously created architecture is re-selected, the
1388 per-architecture data-pointer for that previous architecture is
1389 restored. INIT() is not re-called.
1391 Multiple registrarants for any architecture are allowed (and
1392 strongly encouraged). */
1394 struct gdbarch_data
;
1396 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1397 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1398 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1399 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1400 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1401 struct gdbarch_data
*data
,
1404 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1407 /* Set the dynamic target-system-dependent parameters (architecture,
1408 byte-order, ...) using information found in the BFD. */
1410 extern void set_gdbarch_from_file (bfd
*);
1413 /* Initialize the current architecture to the "first" one we find on
1416 extern void initialize_current_architecture (void);
1418 /* gdbarch trace variable */
1419 extern int gdbarch_debug
;
1421 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);