1 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
3 /* Dynamic architecture support for GDB, the GNU debugger.
5 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
6 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 2 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, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 Boston, MA 02110-1301, USA. */
25 /* This file was created with the aid of ``gdbarch.sh''.
27 The Bourne shell script ``gdbarch.sh'' creates the files
28 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
29 against the existing ``gdbarch.[hc]''. Any differences found
32 If editing this file, please also run gdbarch.sh and merge any
33 changes into that script. Conversely, when making sweeping changes
34 to this file, modifying gdbarch.sh and using its output may prove
46 struct minimal_symbol
;
50 struct disassemble_info
;
53 struct bp_target_info
;
56 extern struct gdbarch
*current_gdbarch
;
59 /* The following are pre-initialized by GDBARCH. */
61 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
62 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
64 extern int gdbarch_byte_order (struct gdbarch
*gdbarch
);
65 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
67 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
68 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
70 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
71 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
74 /* The following are initialized by the target dependent code. */
76 /* Number of bits in a char or unsigned char for the target machine.
77 Just like CHAR_BIT in <limits.h> but describes the target machine.
78 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
80 Number of bits in a short or unsigned short for the target machine. */
82 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
83 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
85 /* Number of bits in an int or unsigned int for the target machine. */
87 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
88 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
90 /* Number of bits in a long or unsigned long for the target machine. */
92 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
93 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
95 /* Number of bits in a long long or unsigned long long for the target
98 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
99 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
101 /* The ABI default bit-size and format for "float", "double", and "long
102 double". These bit/format pairs should eventually be combined into
103 a single object. For the moment, just initialize them as a pair.
104 Each format describes both the big and little endian layouts (if
107 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
108 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
110 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
111 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
113 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
114 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
116 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
117 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
119 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
120 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
122 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
123 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
125 /* For most targets, a pointer on the target and its representation as an
126 address in GDB have the same size and "look the same". For such a
127 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
128 / addr_bit will be set from it.
130 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
131 also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer
134 ptr_bit is the size of a pointer on the target */
136 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
137 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
139 /* addr_bit is the size of a target address as represented in gdb */
141 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
142 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
144 /* Number of bits in a BFD_VMA for the target object file format. */
146 extern int gdbarch_bfd_vma_bit (struct gdbarch
*gdbarch
);
147 extern void set_gdbarch_bfd_vma_bit (struct gdbarch
*gdbarch
, int bfd_vma_bit
);
149 /* One if `char' acts like `signed char', zero if `unsigned char'. */
151 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
152 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
154 #if defined (TARGET_READ_PC)
155 /* Legacy for systems yet to multi-arch TARGET_READ_PC */
156 #if !defined (TARGET_READ_PC_P)
157 #define TARGET_READ_PC_P() (1)
161 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
162 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC_P)
163 #error "Non multi-arch definition of TARGET_READ_PC"
165 #if !defined (TARGET_READ_PC_P)
166 #define TARGET_READ_PC_P() (gdbarch_read_pc_p (current_gdbarch))
169 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (ptid_t ptid
);
170 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, ptid_t ptid
);
171 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
172 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC)
173 #error "Non multi-arch definition of TARGET_READ_PC"
175 #if !defined (TARGET_READ_PC)
176 #define TARGET_READ_PC(ptid) (gdbarch_read_pc (current_gdbarch, ptid))
179 typedef void (gdbarch_write_pc_ftype
) (CORE_ADDR val
, ptid_t ptid
);
180 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, CORE_ADDR val
, ptid_t ptid
);
181 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
182 #if !defined (GDB_TM_FILE) && defined (TARGET_WRITE_PC)
183 #error "Non multi-arch definition of TARGET_WRITE_PC"
185 #if !defined (TARGET_WRITE_PC)
186 #define TARGET_WRITE_PC(val, ptid) (gdbarch_write_pc (current_gdbarch, val, ptid))
189 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
190 whole scheme for dealing with "frames" and "frame pointers" needs a
191 serious shakedown. */
193 typedef void (gdbarch_virtual_frame_pointer_ftype
) (CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
194 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
195 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
197 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
199 typedef void (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
200 extern void gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
201 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
203 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
205 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
206 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
207 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
209 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
210 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
212 /* This macro gives the number of pseudo-registers that live in the
213 register namespace but do not get fetched or stored on the target.
214 These pseudo-registers may be aliases for other registers,
215 combinations of other registers, or they may be computed by GDB. */
217 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
218 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
220 /* GDB's standard (or well known) register numbers. These can map onto
221 a real register or a pseudo (computed) register or not be defined at
223 SP_REGNUM will hopefully be replaced by UNWIND_SP. */
225 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
226 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
227 #if !defined (GDB_TM_FILE) && defined (SP_REGNUM)
228 #error "Non multi-arch definition of SP_REGNUM"
230 #if !defined (SP_REGNUM)
231 #define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
234 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
235 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
236 #if !defined (GDB_TM_FILE) && defined (PC_REGNUM)
237 #error "Non multi-arch definition of PC_REGNUM"
239 #if !defined (PC_REGNUM)
240 #define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
243 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
244 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
245 #if !defined (GDB_TM_FILE) && defined (PS_REGNUM)
246 #error "Non multi-arch definition of PS_REGNUM"
248 #if !defined (PS_REGNUM)
249 #define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch))
252 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
253 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
254 #if !defined (GDB_TM_FILE) && defined (FP0_REGNUM)
255 #error "Non multi-arch definition of FP0_REGNUM"
257 #if !defined (FP0_REGNUM)
258 #define FP0_REGNUM (gdbarch_fp0_regnum (current_gdbarch))
261 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
263 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (int stab_regnr
);
264 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
265 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
267 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
269 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (int ecoff_regnr
);
270 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
271 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
273 /* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
275 typedef int (gdbarch_dwarf_reg_to_regnum_ftype
) (int dwarf_regnr
);
276 extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf_regnr
);
277 extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf_reg_to_regnum_ftype
*dwarf_reg_to_regnum
);
279 /* Convert from an sdb register number to an internal gdb register number. */
281 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (int sdb_regnr
);
282 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
283 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
285 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (int dwarf2_regnr
);
286 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
287 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
289 typedef const char * (gdbarch_register_name_ftype
) (int regnr
);
290 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
291 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
293 /* Return the type of a register specified by the architecture. Only
294 the register cache should call this function directly; others should
295 use "register_type". */
297 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
299 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
300 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
301 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
303 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
305 extern int gdbarch_unwind_dummy_id_p (struct gdbarch
*gdbarch
);
307 typedef struct frame_id (gdbarch_unwind_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*info
);
308 extern struct frame_id
gdbarch_unwind_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*info
);
309 extern void set_gdbarch_unwind_dummy_id (struct gdbarch
*gdbarch
, gdbarch_unwind_dummy_id_ftype
*unwind_dummy_id
);
311 /* Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
312 DEPRECATED_FP_REGNUM. */
314 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
315 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
316 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FP_REGNUM)
317 #error "Non multi-arch definition of DEPRECATED_FP_REGNUM"
319 #if !defined (DEPRECATED_FP_REGNUM)
320 #define DEPRECATED_FP_REGNUM (gdbarch_deprecated_fp_regnum (current_gdbarch))
323 /* See gdbint.texinfo. See infcall.c. */
325 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
327 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
);
328 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
);
329 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
331 /* DEPRECATED_REGISTER_SIZE can be deleted. */
333 extern int gdbarch_deprecated_register_size (struct gdbarch
*gdbarch
);
334 extern void set_gdbarch_deprecated_register_size (struct gdbarch
*gdbarch
, int deprecated_register_size
);
335 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_SIZE)
336 #error "Non multi-arch definition of DEPRECATED_REGISTER_SIZE"
338 #if !defined (DEPRECATED_REGISTER_SIZE)
339 #define DEPRECATED_REGISTER_SIZE (gdbarch_deprecated_register_size (current_gdbarch))
342 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
343 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
345 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
347 typedef CORE_ADDR (gdbarch_push_dummy_code_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR sp
, CORE_ADDR funaddr
, int using_gcc
, struct value
**args
, int nargs
, struct type
*value_type
, CORE_ADDR
*real_pc
, CORE_ADDR
*bp_addr
, struct regcache
*regcache
);
348 extern CORE_ADDR
gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, CORE_ADDR sp
, CORE_ADDR funaddr
, int using_gcc
, struct value
**args
, int nargs
, struct type
*value_type
, CORE_ADDR
*real_pc
, CORE_ADDR
*bp_addr
, struct regcache
*regcache
);
349 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
351 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
352 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
353 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
355 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
357 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
358 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
359 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
361 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
363 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
364 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
365 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
367 /* MAP a GDB RAW register number onto a simulator register number. See
368 also include/...-sim.h. */
370 typedef int (gdbarch_register_sim_regno_ftype
) (int reg_nr
);
371 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
372 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
374 typedef int (gdbarch_cannot_fetch_register_ftype
) (int regnum
);
375 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
376 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
378 typedef int (gdbarch_cannot_store_register_ftype
) (int regnum
);
379 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
380 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
382 /* setjmp/longjmp support. */
384 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
386 typedef int (gdbarch_get_longjmp_target_ftype
) (struct frame_info
*frame
, CORE_ADDR
*pc
);
387 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR
*pc
);
388 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
390 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
391 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
392 #if !defined (GDB_TM_FILE) && defined (BELIEVE_PCC_PROMOTION)
393 #error "Non multi-arch definition of BELIEVE_PCC_PROMOTION"
395 #if !defined (BELIEVE_PCC_PROMOTION)
396 #define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
399 typedef int (gdbarch_convert_register_p_ftype
) (int regnum
, struct type
*type
);
400 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
401 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
403 typedef void (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
404 extern void gdbarch_register_to_value (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
405 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
407 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
408 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
409 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
411 /* Construct a value representing the contents of register REGNUM in
412 frame FRAME, interpreted as type TYPE. The routine needs to
413 allocate and return a struct value with all value attributes
414 (but not the value contents) filled in. */
416 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct type
*type
, int regnum
, struct frame_info
*frame
);
417 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_info
*frame
);
418 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
420 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct type
*type
, const gdb_byte
*buf
);
421 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
422 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
424 typedef void (gdbarch_address_to_pointer_ftype
) (struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
425 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
426 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
428 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
430 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
431 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
432 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
434 /* It has been suggested that this, well actually its predecessor,
435 should take the type/value of the function to be called and not the
436 return type. This is left as an exercise for the reader.
437 NOTE: cagney/2004-06-13: The function stack.c:return_command uses
438 the predicate with default hack to avoid calling STORE_RETURN_VALUE
439 (via legacy_return_value), when a small struct is involved. */
441 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
443 typedef enum return_value_convention (gdbarch_return_value_ftype
) (struct gdbarch
*gdbarch
, struct type
*valtype
, struct regcache
*regcache
, gdb_byte
*readbuf
, const gdb_byte
*writebuf
);
444 extern enum return_value_convention
gdbarch_return_value (struct gdbarch
*gdbarch
, struct type
*valtype
, struct regcache
*regcache
, gdb_byte
*readbuf
, const gdb_byte
*writebuf
);
445 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
447 /* The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE,
448 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
449 DEPRECATED_USE_STRUCT_CONVENTION have all been folded into
452 typedef void (gdbarch_extract_return_value_ftype
) (struct type
*type
, struct regcache
*regcache
, gdb_byte
*valbuf
);
453 extern void gdbarch_extract_return_value (struct gdbarch
*gdbarch
, struct type
*type
, struct regcache
*regcache
, gdb_byte
*valbuf
);
454 extern void set_gdbarch_extract_return_value (struct gdbarch
*gdbarch
, gdbarch_extract_return_value_ftype
*extract_return_value
);
455 #if !defined (GDB_TM_FILE) && defined (EXTRACT_RETURN_VALUE)
456 #error "Non multi-arch definition of EXTRACT_RETURN_VALUE"
458 #if !defined (EXTRACT_RETURN_VALUE)
459 #define EXTRACT_RETURN_VALUE(type, regcache, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regcache, valbuf))
462 typedef void (gdbarch_store_return_value_ftype
) (struct type
*type
, struct regcache
*regcache
, const gdb_byte
*valbuf
);
463 extern void gdbarch_store_return_value (struct gdbarch
*gdbarch
, struct type
*type
, struct regcache
*regcache
, const gdb_byte
*valbuf
);
464 extern void set_gdbarch_store_return_value (struct gdbarch
*gdbarch
, gdbarch_store_return_value_ftype
*store_return_value
);
465 #if !defined (GDB_TM_FILE) && defined (STORE_RETURN_VALUE)
466 #error "Non multi-arch definition of STORE_RETURN_VALUE"
468 #if !defined (STORE_RETURN_VALUE)
469 #define STORE_RETURN_VALUE(type, regcache, valbuf) (gdbarch_store_return_value (current_gdbarch, type, regcache, valbuf))
472 typedef int (gdbarch_deprecated_use_struct_convention_ftype
) (int gcc_p
, struct type
*value_type
);
473 extern int gdbarch_deprecated_use_struct_convention (struct gdbarch
*gdbarch
, int gcc_p
, struct type
*value_type
);
474 extern void set_gdbarch_deprecated_use_struct_convention (struct gdbarch
*gdbarch
, gdbarch_deprecated_use_struct_convention_ftype
*deprecated_use_struct_convention
);
475 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_USE_STRUCT_CONVENTION)
476 #error "Non multi-arch definition of DEPRECATED_USE_STRUCT_CONVENTION"
478 #if !defined (DEPRECATED_USE_STRUCT_CONVENTION)
479 #define DEPRECATED_USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_deprecated_use_struct_convention (current_gdbarch, gcc_p, value_type))
482 /* As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
483 ABI suitable for the implementation of a robust extract
484 struct-convention return-value address method (the sparc saves the
485 address in the callers frame). All the other cases so far examined,
486 the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
487 erreneous - the code was incorrectly assuming that the return-value
488 address, stored in a register, was preserved across the entire
490 For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
491 the ABIs that are still to be analyzed - perhaps this should simply
492 be deleted. The commented out extract_returned_value_address method
493 is provided as a starting point for the 32-bit SPARC. It, or
494 something like it, along with changes to both infcmd.c and stack.c
495 will be needed for that case to work. NB: It is passed the callers
496 frame since it is only after the callee has returned that this
498 M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame */
500 #if defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
501 /* Legacy for systems yet to multi-arch DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS */
502 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
503 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
507 extern int gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch
*gdbarch
);
508 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
509 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
511 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
512 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_deprecated_extract_struct_value_address_p (current_gdbarch))
515 typedef CORE_ADDR (gdbarch_deprecated_extract_struct_value_address_ftype
) (struct regcache
*regcache
);
516 extern CORE_ADDR
gdbarch_deprecated_extract_struct_value_address (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
517 extern void set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch
*gdbarch
, gdbarch_deprecated_extract_struct_value_address_ftype
*deprecated_extract_struct_value_address
);
518 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
519 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
521 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
522 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regcache) (gdbarch_deprecated_extract_struct_value_address (current_gdbarch, regcache))
525 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (CORE_ADDR ip
);
526 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
527 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
529 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
530 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
531 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
533 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (CORE_ADDR
*pcptr
, int *lenptr
);
534 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
535 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
537 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
539 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
540 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
541 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
543 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct bp_target_info
*bp_tgt
);
544 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
545 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
547 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct bp_target_info
*bp_tgt
);
548 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
549 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
551 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
552 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
554 /* A function can be addressed by either it's "pointer" (possibly a
555 descriptor address) or "entry point" (first executable instruction).
556 The method "convert_from_func_ptr_addr" converting the former to the
557 latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement
558 a simplified subset of that functionality - the function's address
559 corresponds to the "function pointer" and the function's start
560 corresponds to the "function entry point" - and hence is redundant. */
562 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
563 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
564 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FUNCTION_START_OFFSET)
565 #error "Non multi-arch definition of DEPRECATED_FUNCTION_START_OFFSET"
567 #if !defined (DEPRECATED_FUNCTION_START_OFFSET)
568 #define DEPRECATED_FUNCTION_START_OFFSET (gdbarch_deprecated_function_start_offset (current_gdbarch))
571 /* Return the remote protocol register number associated with this
572 register. Normally the identity mapping. */
574 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
575 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
576 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
578 /* Fetch the target specific address used to represent a load module. */
580 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
582 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
583 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
584 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
586 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
587 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
589 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
591 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
592 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
593 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
595 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
597 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
598 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
599 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
601 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
602 frame-base. Enable frame-base before frame-unwind. */
604 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
606 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
607 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
608 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
610 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
612 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
613 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
614 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
616 /* DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
617 stabs_argument_has_addr. */
619 #if defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
620 /* Legacy for systems yet to multi-arch DEPRECATED_REG_STRUCT_HAS_ADDR */
621 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
622 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (1)
626 extern int gdbarch_deprecated_reg_struct_has_addr_p (struct gdbarch
*gdbarch
);
627 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
628 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
630 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
631 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (gdbarch_deprecated_reg_struct_has_addr_p (current_gdbarch))
634 typedef int (gdbarch_deprecated_reg_struct_has_addr_ftype
) (int gcc_p
, struct type
*type
);
635 extern int gdbarch_deprecated_reg_struct_has_addr (struct gdbarch
*gdbarch
, int gcc_p
, struct type
*type
);
636 extern void set_gdbarch_deprecated_reg_struct_has_addr (struct gdbarch
*gdbarch
, gdbarch_deprecated_reg_struct_has_addr_ftype
*deprecated_reg_struct_has_addr
);
637 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
638 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
640 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
641 #define DEPRECATED_REG_STRUCT_HAS_ADDR(gcc_p, type) (gdbarch_deprecated_reg_struct_has_addr (current_gdbarch, gcc_p, type))
644 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
645 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
646 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
648 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
649 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
651 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
652 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
653 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
655 /* On some machines there are bits in addresses which are not really
656 part of the address, but are used by the kernel, the hardware, etc.
657 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
658 we get a "real" address such as one would find in a symbol table.
659 This is used only for addresses of instructions, and even then I'm
660 not sure it's used in all contexts. It exists to deal with there
661 being a few stray bits in the PC which would mislead us, not as some
662 sort of generic thing to handle alignment or segmentation (it's
663 possible it should be in TARGET_READ_PC instead). */
665 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (CORE_ADDR addr
);
666 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
667 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
669 /* It is not at all clear why gdbarch_smash_text_address is not folded into
670 gdbarch_addr_bits_remove. */
672 typedef CORE_ADDR (gdbarch_smash_text_address_ftype
) (CORE_ADDR addr
);
673 extern CORE_ADDR
gdbarch_smash_text_address (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
674 extern void set_gdbarch_smash_text_address (struct gdbarch
*gdbarch
, gdbarch_smash_text_address_ftype
*smash_text_address
);
676 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
677 indicates if the target needs software single step. An ISA method to
680 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
681 breakpoints using the breakpoint system instead of blatting memory directly
684 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
685 target can single step. If not, then implement single step using breakpoints.
687 A return value of 1 means that the software_single_step breakpoints
688 were inserted; 0 means they were not. */
690 #if defined (SOFTWARE_SINGLE_STEP)
691 /* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
692 #if !defined (SOFTWARE_SINGLE_STEP_P)
693 #define SOFTWARE_SINGLE_STEP_P() (1)
697 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
698 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP_P)
699 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
701 #if !defined (SOFTWARE_SINGLE_STEP_P)
702 #define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
705 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
706 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
707 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
708 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP)
709 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
711 #if !defined (SOFTWARE_SINGLE_STEP)
712 #define SOFTWARE_SINGLE_STEP(frame) (gdbarch_software_single_step (current_gdbarch, frame))
715 /* Return non-zero if the processor is executing a delay slot and a
716 further single-step is needed before the instruction finishes. */
718 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
720 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
721 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
722 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
724 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
725 disassembler. Perhaps objdump can handle it? */
727 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
728 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
729 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
730 #if !defined (GDB_TM_FILE) && defined (TARGET_PRINT_INSN)
731 #error "Non multi-arch definition of TARGET_PRINT_INSN"
733 #if !defined (TARGET_PRINT_INSN)
734 #define TARGET_PRINT_INSN(vma, info) (gdbarch_print_insn (current_gdbarch, vma, info))
737 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
738 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
739 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
741 /* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
742 evaluates non-zero, this is the address where the debugger will place
743 a step-resume breakpoint to get us past the dynamic linker. */
745 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
746 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
747 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
749 /* Some systems also have trampoline code for returning from shared libs. */
751 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (CORE_ADDR pc
, char *name
);
752 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, char *name
);
753 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
755 /* A target might have problems with watchpoints as soon as the stack
756 frame of the current function has been destroyed. This mostly happens
757 as the first action in a funtion's epilogue. in_function_epilogue_p()
758 is defined to return a non-zero value if either the given addr is one
759 instruction after the stack destroying instruction up to the trailing
760 return instruction or if we can figure out that the stack frame has
761 already been invalidated regardless of the value of addr. Targets
762 which don't suffer from that problem could just let this functionality
765 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
766 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
767 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
769 /* Given a vector of command-line arguments, return a newly allocated
770 string which, when passed to the create_inferior function, will be
771 parsed (on Unix systems, by the shell) to yield the same vector.
772 This function should call error() if the argument vector is not
773 representable for this target or if this target does not support
774 command-line arguments.
775 ARGC is the number of elements in the vector.
776 ARGV is an array of strings, one per argument. */
778 typedef char * (gdbarch_construct_inferior_arguments_ftype
) (struct gdbarch
*gdbarch
, int argc
, char **argv
);
779 extern char * gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, int argc
, char **argv
);
780 extern void set_gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, gdbarch_construct_inferior_arguments_ftype
*construct_inferior_arguments
);
782 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
783 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
784 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
786 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
787 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
788 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
790 extern const char * gdbarch_name_of_malloc (struct gdbarch
*gdbarch
);
791 extern void set_gdbarch_name_of_malloc (struct gdbarch
*gdbarch
, const char * name_of_malloc
);
793 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
794 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
796 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
797 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
799 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
801 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
802 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
803 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
805 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
807 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
808 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
809 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
);
811 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
813 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
814 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
815 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
);
817 /* Is a register in a group */
819 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
820 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
821 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
823 /* Fetch the pointer to the ith function argument. */
825 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
827 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
828 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
829 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
831 /* Return the appropriate register set for a core file section with
832 name SECT_NAME and size SECT_SIZE. */
834 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
836 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
837 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
838 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
840 /* If the elements of C++ vtables are in-place function descriptors rather
841 than normal function pointers (which may point to code or a descriptor),
844 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
845 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
847 /* Set if the least significant bit of the delta is used instead of the least
848 significant bit of the pfn for pointers to virtual member functions. */
850 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
851 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
853 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
855 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
857 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
858 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
859 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
861 /* Refresh overlay mapped state for section OSECT. */
863 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
865 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
866 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
867 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
869 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
872 /* Mechanism for co-ordinating the selection of a specific
875 GDB targets (*-tdep.c) can register an interest in a specific
876 architecture. Other GDB components can register a need to maintain
877 per-architecture data.
879 The mechanisms below ensures that there is only a loose connection
880 between the set-architecture command and the various GDB
881 components. Each component can independently register their need
882 to maintain architecture specific data with gdbarch.
886 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
889 The more traditional mega-struct containing architecture specific
890 data for all the various GDB components was also considered. Since
891 GDB is built from a variable number of (fairly independent)
892 components it was determined that the global aproach was not
896 /* Register a new architectural family with GDB.
898 Register support for the specified ARCHITECTURE with GDB. When
899 gdbarch determines that the specified architecture has been
900 selected, the corresponding INIT function is called.
904 The INIT function takes two parameters: INFO which contains the
905 information available to gdbarch about the (possibly new)
906 architecture; ARCHES which is a list of the previously created
907 ``struct gdbarch'' for this architecture.
909 The INFO parameter is, as far as possible, be pre-initialized with
910 information obtained from INFO.ABFD or the global defaults.
912 The ARCHES parameter is a linked list (sorted most recently used)
913 of all the previously created architures for this architecture
914 family. The (possibly NULL) ARCHES->gdbarch can used to access
915 values from the previously selected architecture for this
916 architecture family. The global ``current_gdbarch'' shall not be
919 The INIT function shall return any of: NULL - indicating that it
920 doesn't recognize the selected architecture; an existing ``struct
921 gdbarch'' from the ARCHES list - indicating that the new
922 architecture is just a synonym for an earlier architecture (see
923 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
924 - that describes the selected architecture (see gdbarch_alloc()).
926 The DUMP_TDEP function shall print out all target specific values.
927 Care should be taken to ensure that the function works in both the
928 multi-arch and non- multi-arch cases. */
932 struct gdbarch
*gdbarch
;
933 struct gdbarch_list
*next
;
938 /* Use default: NULL (ZERO). */
939 const struct bfd_arch_info
*bfd_arch_info
;
941 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
944 /* Use default: NULL (ZERO). */
947 /* Use default: NULL (ZERO). */
948 struct gdbarch_tdep_info
*tdep_info
;
950 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
951 enum gdb_osabi osabi
;
953 /* Use default: NULL (ZERO). */
954 const struct target_desc
*target_desc
;
957 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
958 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
960 /* DEPRECATED - use gdbarch_register() */
961 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
963 extern void gdbarch_register (enum bfd_architecture architecture
,
964 gdbarch_init_ftype
*,
965 gdbarch_dump_tdep_ftype
*);
968 /* Return a freshly allocated, NULL terminated, array of the valid
969 architecture names. Since architectures are registered during the
970 _initialize phase this function only returns useful information
971 once initialization has been completed. */
973 extern const char **gdbarch_printable_names (void);
976 /* Helper function. Search the list of ARCHES for a GDBARCH that
977 matches the information provided by INFO. */
979 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
982 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
983 basic initialization using values obtained from the INFO and TDEP
984 parameters. set_gdbarch_*() functions are called to complete the
985 initialization of the object. */
987 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
990 /* Helper function. Free a partially-constructed ``struct gdbarch''.
991 It is assumed that the caller freeds the ``struct
994 extern void gdbarch_free (struct gdbarch
*);
997 /* Helper function. Allocate memory from the ``struct gdbarch''
998 obstack. The memory is freed when the corresponding architecture
1001 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1002 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1003 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1006 /* Helper function. Force an update of the current architecture.
1008 The actual architecture selected is determined by INFO, ``(gdb) set
1009 architecture'' et.al., the existing architecture and BFD's default
1010 architecture. INFO should be initialized to zero and then selected
1011 fields should be updated.
1013 Returns non-zero if the update succeeds */
1015 extern int gdbarch_update_p (struct gdbarch_info info
);
1018 /* Helper function. Find an architecture matching info.
1020 INFO should be initialized using gdbarch_info_init, relevant fields
1021 set, and then finished using gdbarch_info_fill.
1023 Returns the corresponding architecture, or NULL if no matching
1024 architecture was found. "current_gdbarch" is not updated. */
1026 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1029 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1031 FIXME: kettenis/20031124: Of the functions that follow, only
1032 gdbarch_from_bfd is supposed to survive. The others will
1033 dissappear since in the future GDB will (hopefully) be truly
1034 multi-arch. However, for now we're still stuck with the concept of
1035 a single active architecture. */
1037 extern void deprecated_current_gdbarch_select_hack (struct gdbarch
*gdbarch
);
1040 /* Register per-architecture data-pointer.
1042 Reserve space for a per-architecture data-pointer. An identifier
1043 for the reserved data-pointer is returned. That identifer should
1044 be saved in a local static variable.
1046 Memory for the per-architecture data shall be allocated using
1047 gdbarch_obstack_zalloc. That memory will be deleted when the
1048 corresponding architecture object is deleted.
1050 When a previously created architecture is re-selected, the
1051 per-architecture data-pointer for that previous architecture is
1052 restored. INIT() is not re-called.
1054 Multiple registrarants for any architecture are allowed (and
1055 strongly encouraged). */
1057 struct gdbarch_data
;
1059 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1060 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1061 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1062 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1063 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1064 struct gdbarch_data
*data
,
1067 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1071 /* Register per-architecture memory region.
1073 Provide a memory-region swap mechanism. Per-architecture memory
1074 region are created. These memory regions are swapped whenever the
1075 architecture is changed. For a new architecture, the memory region
1076 is initialized with zero (0) and the INIT function is called.
1078 Memory regions are swapped / initialized in the order that they are
1079 registered. NULL DATA and/or INIT values can be specified.
1081 New code should use gdbarch_data_register_*(). */
1083 typedef void (gdbarch_swap_ftype
) (void);
1084 extern void deprecated_register_gdbarch_swap (void *data
, unsigned long size
, gdbarch_swap_ftype
*init
);
1085 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1089 /* Set the dynamic target-system-dependent parameters (architecture,
1090 byte-order, ...) using information found in the BFD */
1092 extern void set_gdbarch_from_file (bfd
*);
1095 /* Initialize the current architecture to the "first" one we find on
1098 extern void initialize_current_architecture (void);
1100 /* gdbarch trace variable */
1101 extern int gdbarch_debug
;
1103 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);