1 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
4 /* Dynamic architecture support for GDB, the GNU debugger.
6 Copyright (C) 1998-2017 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
47 struct minimal_symbol
;
51 struct disassemble_info
;
54 struct bp_target_info
;
58 struct displaced_step_closure
;
62 struct stap_parse_info
;
64 struct ravenscar_arch_ops
;
65 struct elf_internal_linux_prpsinfo
;
73 /* The architecture associated with the inferior through the
74 connection to the target.
76 The architecture vector provides some information that is really a
77 property of the inferior, accessed through a particular target:
78 ptrace operations; the layout of certain RSP packets; the solib_ops
79 vector; etc. To differentiate architecture accesses to
80 per-inferior/target properties from
81 per-thread/per-frame/per-objfile properties, accesses to
82 per-inferior/target properties should be made through this
85 /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
86 extern struct gdbarch
*target_gdbarch (void);
88 /* Callback type for the 'iterate_over_objfiles_in_search_order'
91 typedef int (iterate_over_objfiles_in_search_order_cb_ftype
)
92 (struct objfile
*objfile
, void *cb_data
);
94 /* Callback type for regset section iterators. The callback usually
95 invokes the REGSET's supply or collect method, to which it must
96 pass a buffer with at least the given SIZE. SECT_NAME is a BFD
97 section name, and HUMAN_NAME is used for diagnostic messages.
98 CB_DATA should have been passed unchanged through the iterator. */
100 typedef void (iterate_over_regset_sections_cb
)
101 (const char *sect_name
, int size
, const struct regset
*regset
,
102 const char *human_name
, void *cb_data
);
105 /* The following are pre-initialized by GDBARCH. */
107 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
108 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
110 extern enum bfd_endian
gdbarch_byte_order (struct gdbarch
*gdbarch
);
111 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
113 extern enum bfd_endian
gdbarch_byte_order_for_code (struct gdbarch
*gdbarch
);
114 /* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
116 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
117 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
119 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
120 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
123 /* The following are initialized by the target dependent code. */
125 /* The bit byte-order has to do just with numbering of bits in debugging symbols
126 and such. Conceptually, it's quite separate from byte/word byte order. */
128 extern int gdbarch_bits_big_endian (struct gdbarch
*gdbarch
);
129 extern void set_gdbarch_bits_big_endian (struct gdbarch
*gdbarch
, int bits_big_endian
);
131 /* Number of bits in a char or unsigned char for the target machine.
132 Just like CHAR_BIT in <limits.h> but describes the target machine.
133 v;TARGET_CHAR_BIT;int;char_bit;;;;8 * sizeof (char);8;;0;
135 Number of bits in a short or unsigned short for the target machine. */
137 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
138 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
140 /* Number of bits in an int or unsigned int for the target machine. */
142 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
143 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
145 /* Number of bits in a long or unsigned long for the target machine. */
147 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
148 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
150 /* Number of bits in a long long or unsigned long long for the target
153 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
154 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
156 /* Alignment of a long long or unsigned long long for the target
159 extern int gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
);
160 extern void set_gdbarch_long_long_align_bit (struct gdbarch
*gdbarch
, int long_long_align_bit
);
162 /* The ABI default bit-size and format for "half", "float", "double", and
163 "long double". These bit/format pairs should eventually be combined
164 into a single object. For the moment, just initialize them as a pair.
165 Each format describes both the big and little endian layouts (if
168 extern int gdbarch_half_bit (struct gdbarch
*gdbarch
);
169 extern void set_gdbarch_half_bit (struct gdbarch
*gdbarch
, int half_bit
);
171 extern const struct floatformat
** gdbarch_half_format (struct gdbarch
*gdbarch
);
172 extern void set_gdbarch_half_format (struct gdbarch
*gdbarch
, const struct floatformat
** half_format
);
174 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
175 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
177 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
178 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
180 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
181 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
183 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
184 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
186 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
187 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
189 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
190 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
192 /* The ABI default bit-size for "wchar_t". wchar_t is a built-in type
193 starting with C++11. */
195 extern int gdbarch_wchar_bit (struct gdbarch
*gdbarch
);
196 extern void set_gdbarch_wchar_bit (struct gdbarch
*gdbarch
, int wchar_bit
);
198 /* One if `wchar_t' is signed, zero if unsigned. */
200 extern int gdbarch_wchar_signed (struct gdbarch
*gdbarch
);
201 extern void set_gdbarch_wchar_signed (struct gdbarch
*gdbarch
, int wchar_signed
);
203 /* Returns the floating-point format to be used for values of length LENGTH.
204 NAME, if non-NULL, is the type name, which may be used to distinguish
205 different target formats of the same length. */
207 typedef const struct floatformat
** (gdbarch_floatformat_for_type_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int length
);
208 extern const struct floatformat
** gdbarch_floatformat_for_type (struct gdbarch
*gdbarch
, const char *name
, int length
);
209 extern void set_gdbarch_floatformat_for_type (struct gdbarch
*gdbarch
, gdbarch_floatformat_for_type_ftype
*floatformat_for_type
);
211 /* For most targets, a pointer on the target and its representation as an
212 address in GDB have the same size and "look the same". For such a
213 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
214 / addr_bit will be set from it.
216 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
217 also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
218 gdbarch_address_to_pointer as well.
220 ptr_bit is the size of a pointer on the target */
222 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
223 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
225 /* addr_bit is the size of a target address as represented in gdb */
227 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
228 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
230 /* dwarf2_addr_size is the target address size as used in the Dwarf debug
231 info. For .debug_frame FDEs, this is supposed to be the target address
232 size from the associated CU header, and which is equivalent to the
233 DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
234 Unfortunately there is no good way to determine this value. Therefore
235 dwarf2_addr_size simply defaults to the target pointer size.
237 dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
238 defined using the target's pointer size so far.
240 Note that dwarf2_addr_size only needs to be redefined by a target if the
241 GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
242 and if Dwarf versions < 4 need to be supported. */
244 extern int gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
);
245 extern void set_gdbarch_dwarf2_addr_size (struct gdbarch
*gdbarch
, int dwarf2_addr_size
);
247 /* One if `char' acts like `signed char', zero if `unsigned char'. */
249 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
250 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
252 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
254 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (struct regcache
*regcache
);
255 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
256 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
258 extern int gdbarch_write_pc_p (struct gdbarch
*gdbarch
);
260 typedef void (gdbarch_write_pc_ftype
) (struct regcache
*regcache
, CORE_ADDR val
);
261 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR val
);
262 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
264 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
265 whole scheme for dealing with "frames" and "frame pointers" needs a
266 serious shakedown. */
268 typedef void (gdbarch_virtual_frame_pointer_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
269 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
270 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
272 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
274 typedef enum register_status (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
275 extern enum register_status
gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
276 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
278 /* Read a register into a new struct value. If the register is wholly
279 or partly unavailable, this should call mark_value_bytes_unavailable
280 as appropriate. If this is defined, then pseudo_register_read will
283 extern int gdbarch_pseudo_register_read_value_p (struct gdbarch
*gdbarch
);
285 typedef struct value
* (gdbarch_pseudo_register_read_value_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
286 extern struct value
* gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
);
287 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_value_ftype
*pseudo_register_read_value
);
289 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
291 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
292 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
293 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
295 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
296 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
298 /* This macro gives the number of pseudo-registers that live in the
299 register namespace but do not get fetched or stored on the target.
300 These pseudo-registers may be aliases for other registers,
301 combinations of other registers, or they may be computed by GDB. */
303 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
304 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
306 /* Assemble agent expression bytecode to collect pseudo-register REG.
307 Return -1 if something goes wrong, 0 otherwise. */
309 extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch
*gdbarch
);
311 typedef int (gdbarch_ax_pseudo_register_collect_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
312 extern int gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
313 extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_collect_ftype
*ax_pseudo_register_collect
);
315 /* Assemble agent expression bytecode to push the value of pseudo-register
316 REG on the interpreter stack.
317 Return -1 if something goes wrong, 0 otherwise. */
319 extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch
*gdbarch
);
321 typedef int (gdbarch_ax_pseudo_register_push_stack_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
322 extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, int reg
);
323 extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch
*gdbarch
, gdbarch_ax_pseudo_register_push_stack_ftype
*ax_pseudo_register_push_stack
);
325 /* Some targets/architectures can do extra processing/display of
326 segmentation faults. E.g., Intel MPX boundary faults.
327 Call the architecture dependent function to handle the fault.
328 UIOUT is the output stream where the handler will place information. */
330 extern int gdbarch_handle_segmentation_fault_p (struct gdbarch
*gdbarch
);
332 typedef void (gdbarch_handle_segmentation_fault_ftype
) (struct gdbarch
*gdbarch
, struct ui_out
*uiout
);
333 extern void gdbarch_handle_segmentation_fault (struct gdbarch
*gdbarch
, struct ui_out
*uiout
);
334 extern void set_gdbarch_handle_segmentation_fault (struct gdbarch
*gdbarch
, gdbarch_handle_segmentation_fault_ftype
*handle_segmentation_fault
);
336 /* GDB's standard (or well known) register numbers. These can map onto
337 a real register or a pseudo (computed) register or not be defined at
339 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
341 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
342 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
344 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
345 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
347 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
348 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
350 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
351 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
353 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
355 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int stab_regnr
);
356 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
357 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
359 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
361 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int ecoff_regnr
);
362 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
363 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
365 /* Convert from an sdb register number to an internal gdb register number. */
367 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int sdb_regnr
);
368 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
369 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
371 /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM.
372 Return -1 for bad REGNUM. Note: Several targets get this wrong. */
374 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
375 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
376 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
378 typedef const char * (gdbarch_register_name_ftype
) (struct gdbarch
*gdbarch
, int regnr
);
379 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
380 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
382 /* Return the type of a register specified by the architecture. Only
383 the register cache should call this function directly; others should
384 use "register_type". */
386 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
388 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
389 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
390 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
392 extern int gdbarch_dummy_id_p (struct gdbarch
*gdbarch
);
394 typedef struct frame_id (gdbarch_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
395 extern struct frame_id
gdbarch_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
396 extern void set_gdbarch_dummy_id (struct gdbarch
*gdbarch
, gdbarch_dummy_id_ftype
*dummy_id
);
398 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
399 deprecated_fp_regnum. */
401 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
402 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
404 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
406 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
);
407 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
);
408 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
410 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
411 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
413 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
415 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
);
416 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
);
417 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
419 /* Return true if the code of FRAME is writable. */
421 typedef int (gdbarch_code_of_frame_writable_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
422 extern int gdbarch_code_of_frame_writable (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
423 extern void set_gdbarch_code_of_frame_writable (struct gdbarch
*gdbarch
, gdbarch_code_of_frame_writable_ftype
*code_of_frame_writable
);
425 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
426 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
427 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
429 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
430 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
431 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
433 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
435 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
436 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
437 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
439 /* MAP a GDB RAW register number onto a simulator register number. See
440 also include/...-sim.h. */
442 typedef int (gdbarch_register_sim_regno_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
443 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
444 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
446 typedef int (gdbarch_cannot_fetch_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
447 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
448 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
450 typedef int (gdbarch_cannot_store_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
451 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
452 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
454 /* Determine the address where a longjmp will land and save this address
455 in PC. Return nonzero on success.
457 FRAME corresponds to the longjmp frame. */
459 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
461 typedef int (gdbarch_get_longjmp_target_ftype
) (struct frame_info
*frame
, CORE_ADDR
*pc
);
462 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR
*pc
);
463 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
465 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
466 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
468 typedef int (gdbarch_convert_register_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
469 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
470 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
472 typedef int (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
, int *optimizedp
, int *unavailablep
);
473 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
);
474 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
476 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
477 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
478 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
480 /* Construct a value representing the contents of register REGNUM in
481 frame FRAME_ID, interpreted as type TYPE. The routine needs to
482 allocate and return a struct value with all value attributes
483 (but not the value contents) filled in. */
485 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
486 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_id frame_id
);
487 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
489 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
490 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
491 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
493 typedef void (gdbarch_address_to_pointer_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
494 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
495 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
497 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
499 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
500 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
501 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
503 /* Return the return-value convention that will be used by FUNCTION
504 to return a value of type VALTYPE. FUNCTION may be NULL in which
505 case the return convention is computed based only on VALTYPE.
507 If READBUF is not NULL, extract the return value and save it in this buffer.
509 If WRITEBUF is not NULL, it contains a return value which will be
510 stored into the appropriate register. This can be used when we want
511 to force the value returned by a function (see the "return" command
514 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
516 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
);
517 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
);
518 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
520 /* Return true if the return value of function is stored in the first hidden
521 parameter. In theory, this feature should be language-dependent, specified
522 by language and its ABI, such as C++. Unfortunately, compiler may
523 implement it to a target-dependent feature. So that we need such hook here
524 to be aware of this in GDB. */
526 typedef int (gdbarch_return_in_first_hidden_param_p_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
527 extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch
*gdbarch
, struct type
*type
);
528 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
);
530 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
531 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
532 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
534 extern int gdbarch_skip_main_prologue_p (struct gdbarch
*gdbarch
);
536 typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
537 extern CORE_ADDR
gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
538 extern void set_gdbarch_skip_main_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_main_prologue_ftype
*skip_main_prologue
);
540 /* On some platforms, a single function may provide multiple entry points,
541 e.g. one that is used for function-pointer calls and a different one
542 that is used for direct function calls.
543 In order to ensure that breakpoints set on the function will trigger
544 no matter via which entry point the function is entered, a platform
545 may provide the skip_entrypoint callback. It is called with IP set
546 to the main entry point of a function (as determined by the symbol table),
547 and should return the address of the innermost entry point, where the
548 actual breakpoint needs to be set. Note that skip_entrypoint is used
549 by GDB common code even when debugging optimized code, where skip_prologue
552 extern int gdbarch_skip_entrypoint_p (struct gdbarch
*gdbarch
);
554 typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
555 extern CORE_ADDR
gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
556 extern void set_gdbarch_skip_entrypoint (struct gdbarch
*gdbarch
, gdbarch_skip_entrypoint_ftype
*skip_entrypoint
);
558 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
559 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
560 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
562 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
563 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
564 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
566 /* Return the breakpoint kind for this target based on *PCPTR. */
568 typedef int (gdbarch_breakpoint_kind_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
);
569 extern int gdbarch_breakpoint_kind_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
);
570 extern void set_gdbarch_breakpoint_kind_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_kind_from_pc_ftype
*breakpoint_kind_from_pc
);
572 /* Return the software breakpoint from KIND. KIND can have target
573 specific meaning like the Z0 kind parameter.
574 SIZE is set to the software breakpoint's length in memory. */
576 typedef const gdb_byte
* (gdbarch_sw_breakpoint_from_kind_ftype
) (struct gdbarch
*gdbarch
, int kind
, int *size
);
577 extern const gdb_byte
* gdbarch_sw_breakpoint_from_kind (struct gdbarch
*gdbarch
, int kind
, int *size
);
578 extern void set_gdbarch_sw_breakpoint_from_kind (struct gdbarch
*gdbarch
, gdbarch_sw_breakpoint_from_kind_ftype
*sw_breakpoint_from_kind
);
580 /* Return the breakpoint kind for this target based on the current
581 processor state (e.g. the current instruction mode on ARM) and the
582 *PCPTR. In default, it is gdbarch->breakpoint_kind_from_pc. */
584 typedef int (gdbarch_breakpoint_kind_from_current_state_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR
*pcptr
);
585 extern int gdbarch_breakpoint_kind_from_current_state (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR
*pcptr
);
586 extern void set_gdbarch_breakpoint_kind_from_current_state (struct gdbarch
*gdbarch
, gdbarch_breakpoint_kind_from_current_state_ftype
*breakpoint_kind_from_current_state
);
588 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
590 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
591 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
592 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
594 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
595 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
596 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
598 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
599 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
600 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
602 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
603 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
605 /* A function can be addressed by either it's "pointer" (possibly a
606 descriptor address) or "entry point" (first executable instruction).
607 The method "convert_from_func_ptr_addr" converting the former to the
608 latter. gdbarch_deprecated_function_start_offset is being used to implement
609 a simplified subset of that functionality - the function's address
610 corresponds to the "function pointer" and the function's start
611 corresponds to the "function entry point" - and hence is redundant. */
613 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
614 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
616 /* Return the remote protocol register number associated with this
617 register. Normally the identity mapping. */
619 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
620 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
621 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
623 /* Fetch the target specific address used to represent a load module. */
625 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
627 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
628 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
629 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
631 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
632 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
634 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
636 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
637 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
638 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
640 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
642 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
643 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
644 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
646 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
647 frame-base. Enable frame-base before frame-unwind. */
649 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
651 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
652 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
653 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
655 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
657 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
658 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
659 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
661 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
662 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
663 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
665 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
666 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
668 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
669 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
670 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
672 /* On some machines there are bits in addresses which are not really
673 part of the address, but are used by the kernel, the hardware, etc.
674 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
675 we get a "real" address such as one would find in a symbol table.
676 This is used only for addresses of instructions, and even then I'm
677 not sure it's used in all contexts. It exists to deal with there
678 being a few stray bits in the PC which would mislead us, not as some
679 sort of generic thing to handle alignment or segmentation (it's
680 possible it should be in TARGET_READ_PC instead). */
682 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
683 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
684 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
686 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
687 indicates if the target needs software single step. An ISA method to
690 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
691 target can single step. If not, then implement single step using breakpoints.
693 Return a vector of addresses on which the software single step
694 breakpoints should be inserted. NULL means software single step is
696 Multiple breakpoints may be inserted for some instructions such as
697 conditional branch. However, each implementation must always evaluate
698 the condition and only put the breakpoint at the branch destination if
699 the condition is true, so that we ensure forward progress when stepping
700 past a conditional branch to self. */
702 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
704 typedef std::vector
<CORE_ADDR
> (gdbarch_software_single_step_ftype
) (struct regcache
*regcache
);
705 extern std::vector
<CORE_ADDR
> gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
706 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
708 /* Return non-zero if the processor is executing a delay slot and a
709 further single-step is needed before the instruction finishes. */
711 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
713 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
714 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
715 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
717 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
718 disassembler. Perhaps objdump can handle it? */
720 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
721 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
722 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
724 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
725 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
726 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
728 /* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
729 evaluates non-zero, this is the address where the debugger will place
730 a step-resume breakpoint to get us past the dynamic linker. */
732 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
733 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
734 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
736 /* Some systems also have trampoline code for returning from shared libs. */
738 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
739 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, const char *name
);
740 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
742 /* A target might have problems with watchpoints as soon as the stack
743 frame of the current function has been destroyed. This mostly happens
744 as the first action in a function's epilogue. stack_frame_destroyed_p()
745 is defined to return a non-zero value if either the given addr is one
746 instruction after the stack destroying instruction up to the trailing
747 return instruction or if we can figure out that the stack frame has
748 already been invalidated regardless of the value of addr. Targets
749 which don't suffer from that problem could just let this functionality
752 typedef int (gdbarch_stack_frame_destroyed_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
753 extern int gdbarch_stack_frame_destroyed_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
754 extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch
*gdbarch
, gdbarch_stack_frame_destroyed_p_ftype
*stack_frame_destroyed_p
);
756 /* Process an ELF symbol in the minimal symbol table in a backend-specific
757 way. Normally this hook is supposed to do nothing, however if required,
758 then this hook can be used to apply tranformations to symbols that are
759 considered special in some way. For example the MIPS backend uses it
760 to interpret `st_other' information to mark compressed code symbols so
761 that they can be treated in the appropriate manner in the processing of
762 the main symbol table and DWARF-2 records. */
764 extern int gdbarch_elf_make_msymbol_special_p (struct gdbarch
*gdbarch
);
766 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
767 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
768 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
770 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
771 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
772 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
774 /* Process a symbol in the main symbol table in a backend-specific way.
775 Normally this hook is supposed to do nothing, however if required,
776 then this hook can be used to apply tranformations to symbols that
777 are considered special in some way. This is currently used by the
778 MIPS backend to make sure compressed code symbols have the ISA bit
779 set. This in turn is needed for symbol values seen in GDB to match
780 the values used at the runtime by the program itself, for function
781 and label references. */
783 typedef void (gdbarch_make_symbol_special_ftype
) (struct symbol
*sym
, struct objfile
*objfile
);
784 extern void gdbarch_make_symbol_special (struct gdbarch
*gdbarch
, struct symbol
*sym
, struct objfile
*objfile
);
785 extern void set_gdbarch_make_symbol_special (struct gdbarch
*gdbarch
, gdbarch_make_symbol_special_ftype
*make_symbol_special
);
787 /* Adjust the address retrieved from a DWARF-2 record other than a line
788 entry in a backend-specific way. Normally this hook is supposed to
789 return the address passed unchanged, however if that is incorrect for
790 any reason, then this hook can be used to fix the address up in the
791 required manner. This is currently used by the MIPS backend to make
792 sure addresses in FDE, range records, etc. referring to compressed
793 code have the ISA bit set, matching line information and the symbol
796 typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype
) (CORE_ADDR pc
);
797 extern CORE_ADDR
gdbarch_adjust_dwarf2_addr (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
798 extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch
*gdbarch
, gdbarch_adjust_dwarf2_addr_ftype
*adjust_dwarf2_addr
);
800 /* Adjust the address updated by a line entry in a backend-specific way.
801 Normally this hook is supposed to return the address passed unchanged,
802 however in the case of inconsistencies in these records, this hook can
803 be used to fix them up in the required manner. This is currently used
804 by the MIPS backend to make sure all line addresses in compressed code
805 are presented with the ISA bit set, which is not always the case. This
806 in turn ensures breakpoint addresses are correctly matched against the
809 typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype
) (CORE_ADDR addr
, int rel
);
810 extern CORE_ADDR
gdbarch_adjust_dwarf2_line (struct gdbarch
*gdbarch
, CORE_ADDR addr
, int rel
);
811 extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch
*gdbarch
, gdbarch_adjust_dwarf2_line_ftype
*adjust_dwarf2_line
);
813 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
814 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
816 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
817 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
819 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
821 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
822 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
823 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
825 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
827 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
828 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
829 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
);
831 /* Execute vendor-specific DWARF Call Frame Instruction. OP is the instruction.
832 FS are passed from the generic execute_cfa_program function. */
834 typedef bool (gdbarch_execute_dwarf_cfa_vendor_op_ftype
) (struct gdbarch
*gdbarch
, gdb_byte op
, struct dwarf2_frame_state
*fs
);
835 extern bool gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch
*gdbarch
, gdb_byte op
, struct dwarf2_frame_state
*fs
);
836 extern void set_gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch
*gdbarch
, gdbarch_execute_dwarf_cfa_vendor_op_ftype
*execute_dwarf_cfa_vendor_op
);
838 /* Return the appropriate type_flags for the supplied address class.
839 This function should return 1 if the address class was recognized and
840 type_flags was set, zero otherwise. */
842 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
844 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
845 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
846 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
);
848 /* Is a register in a group */
850 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
851 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
852 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
854 /* Fetch the pointer to the ith function argument. */
856 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
858 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
859 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
860 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
862 /* Iterate over all supported register notes in a core file. For each
863 supported register note section, the iterator must call CB and pass
864 CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit
865 the supported register note sections based on the current register
866 values. Otherwise it should enumerate all supported register note
869 extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch
*gdbarch
);
871 typedef void (gdbarch_iterate_over_regset_sections_ftype
) (struct gdbarch
*gdbarch
, iterate_over_regset_sections_cb
*cb
, void *cb_data
, const struct regcache
*regcache
);
872 extern void gdbarch_iterate_over_regset_sections (struct gdbarch
*gdbarch
, iterate_over_regset_sections_cb
*cb
, void *cb_data
, const struct regcache
*regcache
);
873 extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch
*gdbarch
, gdbarch_iterate_over_regset_sections_ftype
*iterate_over_regset_sections
);
875 /* Create core file notes */
877 extern int gdbarch_make_corefile_notes_p (struct gdbarch
*gdbarch
);
879 typedef char * (gdbarch_make_corefile_notes_ftype
) (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
880 extern char * gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, bfd
*obfd
, int *note_size
);
881 extern void set_gdbarch_make_corefile_notes (struct gdbarch
*gdbarch
, gdbarch_make_corefile_notes_ftype
*make_corefile_notes
);
883 /* The elfcore writer hook to use to write Linux prpsinfo notes to core
884 files. Most Linux architectures use the same prpsinfo32 or
885 prpsinfo64 layouts, and so won't need to provide this hook, as we
886 call the Linux generic routines in bfd to write prpsinfo notes by
889 extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch
*gdbarch
);
891 typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype
) (bfd
*obfd
, char *note_data
, int *note_size
, const struct elf_internal_linux_prpsinfo
*info
);
892 extern char * gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch
*gdbarch
, bfd
*obfd
, char *note_data
, int *note_size
, const struct elf_internal_linux_prpsinfo
*info
);
893 extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch
*gdbarch
, gdbarch_elfcore_write_linux_prpsinfo_ftype
*elfcore_write_linux_prpsinfo
);
895 /* Find core file memory regions */
897 extern int gdbarch_find_memory_regions_p (struct gdbarch
*gdbarch
);
899 typedef int (gdbarch_find_memory_regions_ftype
) (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
900 extern int gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, find_memory_region_ftype func
, void *data
);
901 extern void set_gdbarch_find_memory_regions (struct gdbarch
*gdbarch
, gdbarch_find_memory_regions_ftype
*find_memory_regions
);
903 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
904 core file into buffer READBUF with length LEN. Return the number of bytes read
905 (zero indicates failure).
906 failed, otherwise, return the red length of READBUF. */
908 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
910 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
911 extern ULONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
912 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
914 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared
915 libraries list from core file into buffer READBUF with length LEN.
916 Return the number of bytes read (zero indicates failure). */
918 extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch
*gdbarch
);
920 typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
921 extern ULONGEST
gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
);
922 extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_aix_ftype
*core_xfer_shared_libraries_aix
);
924 /* How the core target converts a PTID from a core file to a string. */
926 extern int gdbarch_core_pid_to_str_p (struct gdbarch
*gdbarch
);
928 typedef const char * (gdbarch_core_pid_to_str_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
929 extern const char * gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, ptid_t ptid
);
930 extern void set_gdbarch_core_pid_to_str (struct gdbarch
*gdbarch
, gdbarch_core_pid_to_str_ftype
*core_pid_to_str
);
932 /* How the core target extracts the name of a thread from a core file. */
934 extern int gdbarch_core_thread_name_p (struct gdbarch
*gdbarch
);
936 typedef const char * (gdbarch_core_thread_name_ftype
) (struct gdbarch
*gdbarch
, struct thread_info
*thr
);
937 extern const char * gdbarch_core_thread_name (struct gdbarch
*gdbarch
, struct thread_info
*thr
);
938 extern void set_gdbarch_core_thread_name (struct gdbarch
*gdbarch
, gdbarch_core_thread_name_ftype
*core_thread_name
);
940 /* BFD target to use when generating a core file. */
942 extern int gdbarch_gcore_bfd_target_p (struct gdbarch
*gdbarch
);
944 extern const char * gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
);
945 extern void set_gdbarch_gcore_bfd_target (struct gdbarch
*gdbarch
, const char * gcore_bfd_target
);
947 /* If the elements of C++ vtables are in-place function descriptors rather
948 than normal function pointers (which may point to code or a descriptor),
951 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
952 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
954 /* Set if the least significant bit of the delta is used instead of the least
955 significant bit of the pfn for pointers to virtual member functions. */
957 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
958 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
960 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
962 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
963 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
964 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
966 /* The maximum length of an instruction on this architecture in bytes. */
968 extern int gdbarch_max_insn_length_p (struct gdbarch
*gdbarch
);
970 extern ULONGEST
gdbarch_max_insn_length (struct gdbarch
*gdbarch
);
971 extern void set_gdbarch_max_insn_length (struct gdbarch
*gdbarch
, ULONGEST max_insn_length
);
973 /* Copy the instruction at FROM to TO, and make any adjustments
974 necessary to single-step it at that address.
976 REGS holds the state the thread's registers will have before
977 executing the copied instruction; the PC in REGS will refer to FROM,
978 not the copy at TO. The caller should update it to point at TO later.
980 Return a pointer to data of the architecture's choice to be passed
981 to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
982 the instruction's effects have been completely simulated, with the
983 resulting state written back to REGS.
985 For a general explanation of displaced stepping and how GDB uses it,
986 see the comments in infrun.c.
988 The TO area is only guaranteed to have space for
989 gdbarch_max_insn_length (arch) bytes, so this function must not
990 write more bytes than that to that area.
992 If you do not provide this function, GDB assumes that the
993 architecture does not support displaced stepping.
995 If your architecture doesn't need to adjust instructions before
996 single-stepping them, consider using simple_displaced_step_copy_insn
999 If the instruction cannot execute out of line, return NULL. The
1000 core falls back to stepping past the instruction in-line instead in
1003 extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch
*gdbarch
);
1005 typedef struct displaced_step_closure
* (gdbarch_displaced_step_copy_insn_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
1006 extern struct displaced_step_closure
* gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
1007 extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch
*gdbarch
, gdbarch_displaced_step_copy_insn_ftype
*displaced_step_copy_insn
);
1009 /* Return true if GDB should use hardware single-stepping to execute
1010 the displaced instruction identified by CLOSURE. If false,
1011 GDB will simply restart execution at the displaced instruction
1012 location, and it is up to the target to ensure GDB will receive
1013 control again (e.g. by placing a software breakpoint instruction
1014 into the displaced instruction buffer).
1016 The default implementation returns false on all targets that
1017 provide a gdbarch_software_single_step routine, and true otherwise. */
1019 typedef int (gdbarch_displaced_step_hw_singlestep_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
1020 extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
1021 extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
, gdbarch_displaced_step_hw_singlestep_ftype
*displaced_step_hw_singlestep
);
1023 /* Fix up the state resulting from successfully single-stepping a
1024 displaced instruction, to give the result we would have gotten from
1025 stepping the instruction in its original location.
1027 REGS is the register state resulting from single-stepping the
1028 displaced instruction.
1030 CLOSURE is the result from the matching call to
1031 gdbarch_displaced_step_copy_insn.
1033 If you provide gdbarch_displaced_step_copy_insn.but not this
1034 function, then GDB assumes that no fixup is needed after
1035 single-stepping the instruction.
1037 For a general explanation of displaced stepping and how GDB uses it,
1038 see the comments in infrun.c. */
1040 extern int gdbarch_displaced_step_fixup_p (struct gdbarch
*gdbarch
);
1042 typedef void (gdbarch_displaced_step_fixup_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
1043 extern void gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
, CORE_ADDR from
, CORE_ADDR to
, struct regcache
*regs
);
1044 extern void set_gdbarch_displaced_step_fixup (struct gdbarch
*gdbarch
, gdbarch_displaced_step_fixup_ftype
*displaced_step_fixup
);
1046 /* Free a closure returned by gdbarch_displaced_step_copy_insn.
1048 If you provide gdbarch_displaced_step_copy_insn, you must provide
1049 this function as well.
1051 If your architecture uses closures that don't need to be freed, then
1052 you can use simple_displaced_step_free_closure here.
1054 For a general explanation of displaced stepping and how GDB uses it,
1055 see the comments in infrun.c. */
1057 typedef void (gdbarch_displaced_step_free_closure_ftype
) (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
1058 extern void gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, struct displaced_step_closure
*closure
);
1059 extern void set_gdbarch_displaced_step_free_closure (struct gdbarch
*gdbarch
, gdbarch_displaced_step_free_closure_ftype
*displaced_step_free_closure
);
1061 /* Return the address of an appropriate place to put displaced
1062 instructions while we step over them. There need only be one such
1063 place, since we're only stepping one thread over a breakpoint at a
1066 For a general explanation of displaced stepping and how GDB uses it,
1067 see the comments in infrun.c. */
1069 typedef CORE_ADDR (gdbarch_displaced_step_location_ftype
) (struct gdbarch
*gdbarch
);
1070 extern CORE_ADDR
gdbarch_displaced_step_location (struct gdbarch
*gdbarch
);
1071 extern void set_gdbarch_displaced_step_location (struct gdbarch
*gdbarch
, gdbarch_displaced_step_location_ftype
*displaced_step_location
);
1073 /* Relocate an instruction to execute at a different address. OLDLOC
1074 is the address in the inferior memory where the instruction to
1075 relocate is currently at. On input, TO points to the destination
1076 where we want the instruction to be copied (and possibly adjusted)
1077 to. On output, it points to one past the end of the resulting
1078 instruction(s). The effect of executing the instruction at TO shall
1079 be the same as if executing it at FROM. For example, call
1080 instructions that implicitly push the return address on the stack
1081 should be adjusted to return to the instruction after OLDLOC;
1082 relative branches, and other PC-relative instructions need the
1083 offset adjusted; etc. */
1085 extern int gdbarch_relocate_instruction_p (struct gdbarch
*gdbarch
);
1087 typedef void (gdbarch_relocate_instruction_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
1088 extern void gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, CORE_ADDR
*to
, CORE_ADDR from
);
1089 extern void set_gdbarch_relocate_instruction (struct gdbarch
*gdbarch
, gdbarch_relocate_instruction_ftype
*relocate_instruction
);
1091 /* Refresh overlay mapped state for section OSECT. */
1093 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
1095 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
1096 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
1097 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
1099 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
1101 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
1102 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
1103 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
1105 /* Handle special encoding of static variables in stabs debug info. */
1107 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
1109 typedef const char * (gdbarch_static_transform_name_ftype
) (const char *name
);
1110 extern const char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, const char *name
);
1111 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
1113 /* Set if the address in N_SO or N_FUN stabs may be zero. */
1115 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
1116 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
1118 /* Parse the instruction at ADDR storing in the record execution log
1119 the registers REGCACHE and memory ranges that will be affected when
1120 the instruction executes, along with their current values.
1121 Return -1 if something goes wrong, 0 otherwise. */
1123 extern int gdbarch_process_record_p (struct gdbarch
*gdbarch
);
1125 typedef int (gdbarch_process_record_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1126 extern int gdbarch_process_record (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1127 extern void set_gdbarch_process_record (struct gdbarch
*gdbarch
, gdbarch_process_record_ftype
*process_record
);
1129 /* Save process state after a signal.
1130 Return -1 if something goes wrong, 0 otherwise. */
1132 extern int gdbarch_process_record_signal_p (struct gdbarch
*gdbarch
);
1134 typedef int (gdbarch_process_record_signal_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
1135 extern int gdbarch_process_record_signal (struct gdbarch
*gdbarch
, struct regcache
*regcache
, enum gdb_signal signal
);
1136 extern void set_gdbarch_process_record_signal (struct gdbarch
*gdbarch
, gdbarch_process_record_signal_ftype
*process_record_signal
);
1138 /* Signal translation: translate inferior's signal (target's) number
1139 into GDB's representation. The implementation of this method must
1140 be host independent. IOW, don't rely on symbols of the NAT_FILE
1141 header (the nm-*.h files), the host <signal.h> header, or similar
1142 headers. This is mainly used when cross-debugging core files ---
1143 "Live" targets hide the translation behind the target interface
1144 (target_wait, target_resume, etc.). */
1146 extern int gdbarch_gdb_signal_from_target_p (struct gdbarch
*gdbarch
);
1148 typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype
) (struct gdbarch
*gdbarch
, int signo
);
1149 extern enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, int signo
);
1150 extern void set_gdbarch_gdb_signal_from_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_from_target_ftype
*gdb_signal_from_target
);
1152 /* Signal translation: translate the GDB's internal signal number into
1153 the inferior's signal (target's) representation. The implementation
1154 of this method must be host independent. IOW, don't rely on symbols
1155 of the NAT_FILE header (the nm-*.h files), the host <signal.h>
1156 header, or similar headers.
1157 Return the target signal number if found, or -1 if the GDB internal
1158 signal number is invalid. */
1160 extern int gdbarch_gdb_signal_to_target_p (struct gdbarch
*gdbarch
);
1162 typedef int (gdbarch_gdb_signal_to_target_ftype
) (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1163 extern int gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, enum gdb_signal signal
);
1164 extern void set_gdbarch_gdb_signal_to_target (struct gdbarch
*gdbarch
, gdbarch_gdb_signal_to_target_ftype
*gdb_signal_to_target
);
1166 /* Extra signal info inspection.
1168 Return a type suitable to inspect extra signal information. */
1170 extern int gdbarch_get_siginfo_type_p (struct gdbarch
*gdbarch
);
1172 typedef struct type
* (gdbarch_get_siginfo_type_ftype
) (struct gdbarch
*gdbarch
);
1173 extern struct type
* gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
);
1174 extern void set_gdbarch_get_siginfo_type (struct gdbarch
*gdbarch
, gdbarch_get_siginfo_type_ftype
*get_siginfo_type
);
1176 /* Record architecture-specific information from the symbol table. */
1178 extern int gdbarch_record_special_symbol_p (struct gdbarch
*gdbarch
);
1180 typedef void (gdbarch_record_special_symbol_ftype
) (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1181 extern void gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, struct objfile
*objfile
, asymbol
*sym
);
1182 extern void set_gdbarch_record_special_symbol (struct gdbarch
*gdbarch
, gdbarch_record_special_symbol_ftype
*record_special_symbol
);
1184 /* Function for the 'catch syscall' feature.
1185 Get architecture-specific system calls information from registers. */
1187 extern int gdbarch_get_syscall_number_p (struct gdbarch
*gdbarch
);
1189 typedef LONGEST (gdbarch_get_syscall_number_ftype
) (struct gdbarch
*gdbarch
, ptid_t ptid
);
1190 extern LONGEST
gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, ptid_t ptid
);
1191 extern void set_gdbarch_get_syscall_number (struct gdbarch
*gdbarch
, gdbarch_get_syscall_number_ftype
*get_syscall_number
);
1193 /* The filename of the XML syscall for this architecture. */
1195 extern const char * gdbarch_xml_syscall_file (struct gdbarch
*gdbarch
);
1196 extern void set_gdbarch_xml_syscall_file (struct gdbarch
*gdbarch
, const char * xml_syscall_file
);
1198 /* Information about system calls from this architecture */
1200 extern struct syscalls_info
* gdbarch_syscalls_info (struct gdbarch
*gdbarch
);
1201 extern void set_gdbarch_syscalls_info (struct gdbarch
*gdbarch
, struct syscalls_info
* syscalls_info
);
1203 /* SystemTap related fields and functions.
1204 A NULL-terminated array of prefixes used to mark an integer constant
1205 on the architecture's assembly.
1206 For example, on x86 integer constants are written as:
1208 $10 ;; integer constant 10
1210 in this case, this prefix would be the character `$'. */
1212 extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
);
1213 extern void set_gdbarch_stap_integer_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_prefixes
);
1215 /* A NULL-terminated array of suffixes used to mark an integer constant
1216 on the architecture's assembly. */
1218 extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
);
1219 extern void set_gdbarch_stap_integer_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_integer_suffixes
);
1221 /* A NULL-terminated array of prefixes used to mark a register name on
1222 the architecture's assembly.
1223 For example, on x86 the register name is written as:
1225 %eax ;; register eax
1227 in this case, this prefix would be the character `%'. */
1229 extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
);
1230 extern void set_gdbarch_stap_register_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_prefixes
);
1232 /* A NULL-terminated array of suffixes used to mark a register name on
1233 the architecture's assembly. */
1235 extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
);
1236 extern void set_gdbarch_stap_register_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_suffixes
);
1238 /* A NULL-terminated array of prefixes used to mark a register
1239 indirection on the architecture's assembly.
1240 For example, on x86 the register indirection is written as:
1242 (%eax) ;; indirecting eax
1244 in this case, this prefix would be the charater `('.
1246 Please note that we use the indirection prefix also for register
1247 displacement, e.g., `4(%eax)' on x86. */
1249 extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
);
1250 extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_prefixes
);
1252 /* A NULL-terminated array of suffixes used to mark a register
1253 indirection on the architecture's assembly.
1254 For example, on x86 the register indirection is written as:
1256 (%eax) ;; indirecting eax
1258 in this case, this prefix would be the charater `)'.
1260 Please note that we use the indirection suffix also for register
1261 displacement, e.g., `4(%eax)' on x86. */
1263 extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
);
1264 extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch
*gdbarch
, const char *const * stap_register_indirection_suffixes
);
1266 /* Prefix(es) used to name a register using GDB's nomenclature.
1268 For example, on PPC a register is represented by a number in the assembly
1269 language (e.g., `10' is the 10th general-purpose register). However,
1270 inside GDB this same register has an `r' appended to its name, so the 10th
1271 register would be represented as `r10' internally. */
1273 extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
);
1274 extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_prefix
);
1276 /* Suffix used to name a register using GDB's nomenclature. */
1278 extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
);
1279 extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch
*gdbarch
, const char * stap_gdb_register_suffix
);
1281 /* Check if S is a single operand.
1283 Single operands can be:
1284 - Literal integers, e.g. `$10' on x86
1285 - Register access, e.g. `%eax' on x86
1286 - Register indirection, e.g. `(%eax)' on x86
1287 - Register displacement, e.g. `4(%eax)' on x86
1289 This function should check for these patterns on the string
1290 and return 1 if some were found, or zero otherwise. Please try to match
1291 as much info as you can from the string, i.e., if you have to match
1292 something like `(%', do not match just the `('. */
1294 extern int gdbarch_stap_is_single_operand_p (struct gdbarch
*gdbarch
);
1296 typedef int (gdbarch_stap_is_single_operand_ftype
) (struct gdbarch
*gdbarch
, const char *s
);
1297 extern int gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
);
1298 extern void set_gdbarch_stap_is_single_operand (struct gdbarch
*gdbarch
, gdbarch_stap_is_single_operand_ftype
*stap_is_single_operand
);
1300 /* Function used to handle a "special case" in the parser.
1302 A "special case" is considered to be an unknown token, i.e., a token
1303 that the parser does not know how to parse. A good example of special
1304 case would be ARM's register displacement syntax:
1306 [R0, #4] ;; displacing R0 by 4
1308 Since the parser assumes that a register displacement is of the form:
1310 <number> <indirection_prefix> <register_name> <indirection_suffix>
1312 it means that it will not be able to recognize and parse this odd syntax.
1313 Therefore, we should add a special case function that will handle this token.
1315 This function should generate the proper expression form of the expression
1316 using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
1317 and so on). It should also return 1 if the parsing was successful, or zero
1318 if the token was not recognized as a special token (in this case, returning
1319 zero means that the special parser is deferring the parsing to the generic
1320 parser), and should advance the buffer pointer (p->arg). */
1322 extern int gdbarch_stap_parse_special_token_p (struct gdbarch
*gdbarch
);
1324 typedef int (gdbarch_stap_parse_special_token_ftype
) (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1325 extern int gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, struct stap_parse_info
*p
);
1326 extern void set_gdbarch_stap_parse_special_token (struct gdbarch
*gdbarch
, gdbarch_stap_parse_special_token_ftype
*stap_parse_special_token
);
1328 /* DTrace related functions.
1329 The expression to compute the NARTGth+1 argument to a DTrace USDT probe.
1330 NARG must be >= 0. */
1332 extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch
*gdbarch
);
1334 typedef void (gdbarch_dtrace_parse_probe_argument_ftype
) (struct gdbarch
*gdbarch
, struct parser_state
*pstate
, int narg
);
1335 extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch
*gdbarch
, struct parser_state
*pstate
, int narg
);
1336 extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch
*gdbarch
, gdbarch_dtrace_parse_probe_argument_ftype
*dtrace_parse_probe_argument
);
1338 /* True if the given ADDR does not contain the instruction sequence
1339 corresponding to a disabled DTrace is-enabled probe. */
1341 extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch
*gdbarch
);
1343 typedef int (gdbarch_dtrace_probe_is_enabled_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1344 extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1345 extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch
*gdbarch
, gdbarch_dtrace_probe_is_enabled_ftype
*dtrace_probe_is_enabled
);
1347 /* Enable a DTrace is-enabled probe at ADDR. */
1349 extern int gdbarch_dtrace_enable_probe_p (struct gdbarch
*gdbarch
);
1351 typedef void (gdbarch_dtrace_enable_probe_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1352 extern void gdbarch_dtrace_enable_probe (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1353 extern void set_gdbarch_dtrace_enable_probe (struct gdbarch
*gdbarch
, gdbarch_dtrace_enable_probe_ftype
*dtrace_enable_probe
);
1355 /* Disable a DTrace is-enabled probe at ADDR. */
1357 extern int gdbarch_dtrace_disable_probe_p (struct gdbarch
*gdbarch
);
1359 typedef void (gdbarch_dtrace_disable_probe_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1360 extern void gdbarch_dtrace_disable_probe (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1361 extern void set_gdbarch_dtrace_disable_probe (struct gdbarch
*gdbarch
, gdbarch_dtrace_disable_probe_ftype
*dtrace_disable_probe
);
1363 /* True if the list of shared libraries is one and only for all
1364 processes, as opposed to a list of shared libraries per inferior.
1365 This usually means that all processes, although may or may not share
1366 an address space, will see the same set of symbols at the same
1369 extern int gdbarch_has_global_solist (struct gdbarch
*gdbarch
);
1370 extern void set_gdbarch_has_global_solist (struct gdbarch
*gdbarch
, int has_global_solist
);
1372 /* On some targets, even though each inferior has its own private
1373 address space, the debug interface takes care of making breakpoints
1374 visible to all address spaces automatically. For such cases,
1375 this property should be set to true. */
1377 extern int gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
);
1378 extern void set_gdbarch_has_global_breakpoints (struct gdbarch
*gdbarch
, int has_global_breakpoints
);
1380 /* True if inferiors share an address space (e.g., uClinux). */
1382 typedef int (gdbarch_has_shared_address_space_ftype
) (struct gdbarch
*gdbarch
);
1383 extern int gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
);
1384 extern void set_gdbarch_has_shared_address_space (struct gdbarch
*gdbarch
, gdbarch_has_shared_address_space_ftype
*has_shared_address_space
);
1386 /* True if a fast tracepoint can be set at an address. */
1388 typedef int (gdbarch_fast_tracepoint_valid_at_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, char **msg
);
1389 extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, CORE_ADDR addr
, char **msg
);
1390 extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch
*gdbarch
, gdbarch_fast_tracepoint_valid_at_ftype
*fast_tracepoint_valid_at
);
1392 /* Guess register state based on tracepoint location. Used for tracepoints
1393 where no registers have been collected, but there's only one location,
1394 allowing us to guess the PC value, and perhaps some other registers.
1395 On entry, regcache has all registers marked as unavailable. */
1397 typedef void (gdbarch_guess_tracepoint_registers_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1398 extern void gdbarch_guess_tracepoint_registers (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR addr
);
1399 extern void set_gdbarch_guess_tracepoint_registers (struct gdbarch
*gdbarch
, gdbarch_guess_tracepoint_registers_ftype
*guess_tracepoint_registers
);
1401 /* Return the "auto" target charset. */
1403 typedef const char * (gdbarch_auto_charset_ftype
) (void);
1404 extern const char * gdbarch_auto_charset (struct gdbarch
*gdbarch
);
1405 extern void set_gdbarch_auto_charset (struct gdbarch
*gdbarch
, gdbarch_auto_charset_ftype
*auto_charset
);
1407 /* Return the "auto" target wide charset. */
1409 typedef const char * (gdbarch_auto_wide_charset_ftype
) (void);
1410 extern const char * gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
);
1411 extern void set_gdbarch_auto_wide_charset (struct gdbarch
*gdbarch
, gdbarch_auto_wide_charset_ftype
*auto_wide_charset
);
1413 /* If non-empty, this is a file extension that will be opened in place
1414 of the file extension reported by the shared library list.
1416 This is most useful for toolchains that use a post-linker tool,
1417 where the names of the files run on the target differ in extension
1418 compared to the names of the files GDB should load for debug info. */
1420 extern const char * gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
);
1421 extern void set_gdbarch_solib_symbols_extension (struct gdbarch
*gdbarch
, const char * solib_symbols_extension
);
1423 /* If true, the target OS has DOS-based file system semantics. That
1424 is, absolute paths include a drive name, and the backslash is
1425 considered a directory separator. */
1427 extern int gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
);
1428 extern void set_gdbarch_has_dos_based_file_system (struct gdbarch
*gdbarch
, int has_dos_based_file_system
);
1430 /* Generate bytecodes to collect the return address in a frame.
1431 Since the bytecodes run on the target, possibly with GDB not even
1432 connected, the full unwinding machinery is not available, and
1433 typically this function will issue bytecodes for one or more likely
1434 places that the return address may be found. */
1436 typedef void (gdbarch_gen_return_address_ftype
) (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1437 extern void gdbarch_gen_return_address (struct gdbarch
*gdbarch
, struct agent_expr
*ax
, struct axs_value
*value
, CORE_ADDR scope
);
1438 extern void set_gdbarch_gen_return_address (struct gdbarch
*gdbarch
, gdbarch_gen_return_address_ftype
*gen_return_address
);
1440 /* Implement the "info proc" command. */
1442 extern int gdbarch_info_proc_p (struct gdbarch
*gdbarch
);
1444 typedef void (gdbarch_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1445 extern void gdbarch_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1446 extern void set_gdbarch_info_proc (struct gdbarch
*gdbarch
, gdbarch_info_proc_ftype
*info_proc
);
1448 /* Implement the "info proc" command for core files. Noe that there
1449 are two "info_proc"-like methods on gdbarch -- one for core files,
1450 one for live targets. */
1452 extern int gdbarch_core_info_proc_p (struct gdbarch
*gdbarch
);
1454 typedef void (gdbarch_core_info_proc_ftype
) (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1455 extern void gdbarch_core_info_proc (struct gdbarch
*gdbarch
, const char *args
, enum info_proc_what what
);
1456 extern void set_gdbarch_core_info_proc (struct gdbarch
*gdbarch
, gdbarch_core_info_proc_ftype
*core_info_proc
);
1458 /* Iterate over all objfiles in the order that makes the most sense
1459 for the architecture to make global symbol searches.
1461 CB is a callback function where OBJFILE is the objfile to be searched,
1462 and CB_DATA a pointer to user-defined data (the same data that is passed
1463 when calling this gdbarch method). The iteration stops if this function
1466 CB_DATA is a pointer to some user-defined data to be passed to
1469 If not NULL, CURRENT_OBJFILE corresponds to the objfile being
1470 inspected when the symbol search was requested. */
1472 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
);
1473 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
);
1474 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
);
1476 /* Ravenscar arch-dependent ops. */
1478 extern struct ravenscar_arch_ops
* gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
);
1479 extern void set_gdbarch_ravenscar_ops (struct gdbarch
*gdbarch
, struct ravenscar_arch_ops
* ravenscar_ops
);
1481 /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */
1483 typedef int (gdbarch_insn_is_call_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1484 extern int gdbarch_insn_is_call (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1485 extern void set_gdbarch_insn_is_call (struct gdbarch
*gdbarch
, gdbarch_insn_is_call_ftype
*insn_is_call
);
1487 /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */
1489 typedef int (gdbarch_insn_is_ret_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1490 extern int gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1491 extern void set_gdbarch_insn_is_ret (struct gdbarch
*gdbarch
, gdbarch_insn_is_ret_ftype
*insn_is_ret
);
1493 /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */
1495 typedef int (gdbarch_insn_is_jump_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1496 extern int gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
1497 extern void set_gdbarch_insn_is_jump (struct gdbarch
*gdbarch
, gdbarch_insn_is_jump_ftype
*insn_is_jump
);
1499 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
1500 Return 0 if *READPTR is already at the end of the buffer.
1501 Return -1 if there is insufficient buffer for a whole entry.
1502 Return 1 if an entry was read into *TYPEP and *VALP. */
1504 extern int gdbarch_auxv_parse_p (struct gdbarch
*gdbarch
);
1506 typedef int (gdbarch_auxv_parse_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1507 extern int gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdb_byte
**readptr
, gdb_byte
*endptr
, CORE_ADDR
*typep
, CORE_ADDR
*valp
);
1508 extern void set_gdbarch_auxv_parse (struct gdbarch
*gdbarch
, gdbarch_auxv_parse_ftype
*auxv_parse
);
1510 /* Print the description of a single auxv entry described by TYPE and VAL
1513 typedef void (gdbarch_print_auxv_entry_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, CORE_ADDR type
, CORE_ADDR val
);
1514 extern void gdbarch_print_auxv_entry (struct gdbarch
*gdbarch
, struct ui_file
*file
, CORE_ADDR type
, CORE_ADDR val
);
1515 extern void set_gdbarch_print_auxv_entry (struct gdbarch
*gdbarch
, gdbarch_print_auxv_entry_ftype
*print_auxv_entry
);
1517 /* Find the address range of the current inferior's vsyscall/vDSO, and
1518 write it to *RANGE. If the vsyscall's length can't be determined, a
1519 range with zero length is returned. Returns true if the vsyscall is
1520 found, false otherwise. */
1522 typedef int (gdbarch_vsyscall_range_ftype
) (struct gdbarch
*gdbarch
, struct mem_range
*range
);
1523 extern int gdbarch_vsyscall_range (struct gdbarch
*gdbarch
, struct mem_range
*range
);
1524 extern void set_gdbarch_vsyscall_range (struct gdbarch
*gdbarch
, gdbarch_vsyscall_range_ftype
*vsyscall_range
);
1526 /* Allocate SIZE bytes of PROT protected page aligned memory in inferior.
1527 PROT has GDB_MMAP_PROT_* bitmask format.
1528 Throw an error if it is not possible. Returned address is always valid. */
1530 typedef CORE_ADDR (gdbarch_infcall_mmap_ftype
) (CORE_ADDR size
, unsigned prot
);
1531 extern CORE_ADDR
gdbarch_infcall_mmap (struct gdbarch
*gdbarch
, CORE_ADDR size
, unsigned prot
);
1532 extern void set_gdbarch_infcall_mmap (struct gdbarch
*gdbarch
, gdbarch_infcall_mmap_ftype
*infcall_mmap
);
1534 /* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap.
1535 Print a warning if it is not possible. */
1537 typedef void (gdbarch_infcall_munmap_ftype
) (CORE_ADDR addr
, CORE_ADDR size
);
1538 extern void gdbarch_infcall_munmap (struct gdbarch
*gdbarch
, CORE_ADDR addr
, CORE_ADDR size
);
1539 extern void set_gdbarch_infcall_munmap (struct gdbarch
*gdbarch
, gdbarch_infcall_munmap_ftype
*infcall_munmap
);
1541 /* Return string (caller has to use xfree for it) with options for GCC
1542 to produce code for this target, typically "-m64", "-m32" or "-m31".
1543 These options are put before CU's DW_AT_producer compilation options so that
1544 they can override it. Method may also return NULL. */
1546 typedef char * (gdbarch_gcc_target_options_ftype
) (struct gdbarch
*gdbarch
);
1547 extern char * gdbarch_gcc_target_options (struct gdbarch
*gdbarch
);
1548 extern void set_gdbarch_gcc_target_options (struct gdbarch
*gdbarch
, gdbarch_gcc_target_options_ftype
*gcc_target_options
);
1550 /* Return a regular expression that matches names used by this
1551 architecture in GNU configury triplets. The result is statically
1552 allocated and must not be freed. The default implementation simply
1553 returns the BFD architecture name, which is correct in nearly every
1556 typedef const char * (gdbarch_gnu_triplet_regexp_ftype
) (struct gdbarch
*gdbarch
);
1557 extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch
*gdbarch
);
1558 extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch
*gdbarch
, gdbarch_gnu_triplet_regexp_ftype
*gnu_triplet_regexp
);
1560 /* Return the size in 8-bit bytes of an addressable memory unit on this
1561 architecture. This corresponds to the number of 8-bit bytes associated to
1562 each address in memory. */
1564 typedef int (gdbarch_addressable_memory_unit_size_ftype
) (struct gdbarch
*gdbarch
);
1565 extern int gdbarch_addressable_memory_unit_size (struct gdbarch
*gdbarch
);
1566 extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch
*gdbarch
, gdbarch_addressable_memory_unit_size_ftype
*addressable_memory_unit_size
);
1568 /* Functions for allowing a target to modify its disassembler options. */
1570 extern char ** gdbarch_disassembler_options (struct gdbarch
*gdbarch
);
1571 extern void set_gdbarch_disassembler_options (struct gdbarch
*gdbarch
, char ** disassembler_options
);
1573 extern const disasm_options_t
* gdbarch_valid_disassembler_options (struct gdbarch
*gdbarch
);
1574 extern void set_gdbarch_valid_disassembler_options (struct gdbarch
*gdbarch
, const disasm_options_t
* valid_disassembler_options
);
1576 /* Definition for an unknown syscall, used basically in error-cases. */
1577 #define UNKNOWN_SYSCALL (-1)
1579 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
1582 /* Mechanism for co-ordinating the selection of a specific
1585 GDB targets (*-tdep.c) can register an interest in a specific
1586 architecture. Other GDB components can register a need to maintain
1587 per-architecture data.
1589 The mechanisms below ensures that there is only a loose connection
1590 between the set-architecture command and the various GDB
1591 components. Each component can independently register their need
1592 to maintain architecture specific data with gdbarch.
1596 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1599 The more traditional mega-struct containing architecture specific
1600 data for all the various GDB components was also considered. Since
1601 GDB is built from a variable number of (fairly independent)
1602 components it was determined that the global aproach was not
1606 /* Register a new architectural family with GDB.
1608 Register support for the specified ARCHITECTURE with GDB. When
1609 gdbarch determines that the specified architecture has been
1610 selected, the corresponding INIT function is called.
1614 The INIT function takes two parameters: INFO which contains the
1615 information available to gdbarch about the (possibly new)
1616 architecture; ARCHES which is a list of the previously created
1617 ``struct gdbarch'' for this architecture.
1619 The INFO parameter is, as far as possible, be pre-initialized with
1620 information obtained from INFO.ABFD or the global defaults.
1622 The ARCHES parameter is a linked list (sorted most recently used)
1623 of all the previously created architures for this architecture
1624 family. The (possibly NULL) ARCHES->gdbarch can used to access
1625 values from the previously selected architecture for this
1626 architecture family.
1628 The INIT function shall return any of: NULL - indicating that it
1629 doesn't recognize the selected architecture; an existing ``struct
1630 gdbarch'' from the ARCHES list - indicating that the new
1631 architecture is just a synonym for an earlier architecture (see
1632 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
1633 - that describes the selected architecture (see gdbarch_alloc()).
1635 The DUMP_TDEP function shall print out all target specific values.
1636 Care should be taken to ensure that the function works in both the
1637 multi-arch and non- multi-arch cases. */
1641 struct gdbarch
*gdbarch
;
1642 struct gdbarch_list
*next
;
1647 /* Use default: NULL (ZERO). */
1648 const struct bfd_arch_info
*bfd_arch_info
;
1650 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1651 enum bfd_endian byte_order
;
1653 enum bfd_endian byte_order_for_code
;
1655 /* Use default: NULL (ZERO). */
1658 /* Use default: NULL (ZERO). */
1661 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1662 enum gdb_osabi osabi
;
1664 /* Use default: NULL (ZERO). */
1665 const struct target_desc
*target_desc
;
1668 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
1669 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
1671 /* DEPRECATED - use gdbarch_register() */
1672 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
1674 extern void gdbarch_register (enum bfd_architecture architecture
,
1675 gdbarch_init_ftype
*,
1676 gdbarch_dump_tdep_ftype
*);
1679 /* Return a freshly allocated, NULL terminated, array of the valid
1680 architecture names. Since architectures are registered during the
1681 _initialize phase this function only returns useful information
1682 once initialization has been completed. */
1684 extern const char **gdbarch_printable_names (void);
1687 /* Helper function. Search the list of ARCHES for a GDBARCH that
1688 matches the information provided by INFO. */
1690 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
1693 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
1694 basic initialization using values obtained from the INFO and TDEP
1695 parameters. set_gdbarch_*() functions are called to complete the
1696 initialization of the object. */
1698 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
1701 /* Helper function. Free a partially-constructed ``struct gdbarch''.
1702 It is assumed that the caller freeds the ``struct
1705 extern void gdbarch_free (struct gdbarch
*);
1708 /* Helper function. Allocate memory from the ``struct gdbarch''
1709 obstack. The memory is freed when the corresponding architecture
1712 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1713 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1714 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1716 /* Duplicate STRING, returning an equivalent string that's allocated on the
1717 obstack associated with GDBARCH. The string is freed when the corresponding
1718 architecture is also freed. */
1720 extern char *gdbarch_obstack_strdup (struct gdbarch
*arch
, const char *string
);
1722 /* Helper function. Force an update of the current architecture.
1724 The actual architecture selected is determined by INFO, ``(gdb) set
1725 architecture'' et.al., the existing architecture and BFD's default
1726 architecture. INFO should be initialized to zero and then selected
1727 fields should be updated.
1729 Returns non-zero if the update succeeds. */
1731 extern int gdbarch_update_p (struct gdbarch_info info
);
1734 /* Helper function. Find an architecture matching info.
1736 INFO should be initialized using gdbarch_info_init, relevant fields
1737 set, and then finished using gdbarch_info_fill.
1739 Returns the corresponding architecture, or NULL if no matching
1740 architecture was found. */
1742 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1745 /* Helper function. Set the target gdbarch to "gdbarch". */
1747 extern void set_target_gdbarch (struct gdbarch
*gdbarch
);
1750 /* Register per-architecture data-pointer.
1752 Reserve space for a per-architecture data-pointer. An identifier
1753 for the reserved data-pointer is returned. That identifer should
1754 be saved in a local static variable.
1756 Memory for the per-architecture data shall be allocated using
1757 gdbarch_obstack_zalloc. That memory will be deleted when the
1758 corresponding architecture object is deleted.
1760 When a previously created architecture is re-selected, the
1761 per-architecture data-pointer for that previous architecture is
1762 restored. INIT() is not re-called.
1764 Multiple registrarants for any architecture are allowed (and
1765 strongly encouraged). */
1767 struct gdbarch_data
;
1769 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1770 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1771 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1772 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1773 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1774 struct gdbarch_data
*data
,
1777 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1780 /* Set the dynamic target-system-dependent parameters (architecture,
1781 byte-order, ...) using information found in the BFD. */
1783 extern void set_gdbarch_from_file (bfd
*);
1786 /* Initialize the current architecture to the "first" one we find on
1789 extern void initialize_current_architecture (void);
1791 /* gdbarch trace variable */
1792 extern unsigned int gdbarch_debug
;
1794 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);