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 TARGET_ADDR_BIT
128 / addr_bit will be set from it.
130 If gdbarch_ptr_bit and TARGET_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
);
143 #if !defined (GDB_TM_FILE) && defined (TARGET_ADDR_BIT)
144 #error "Non multi-arch definition of TARGET_ADDR_BIT"
146 #if !defined (TARGET_ADDR_BIT)
147 #define TARGET_ADDR_BIT (gdbarch_addr_bit (current_gdbarch))
150 /* Number of bits in a BFD_VMA for the target object file format. */
152 extern int gdbarch_bfd_vma_bit (struct gdbarch
*gdbarch
);
153 extern void set_gdbarch_bfd_vma_bit (struct gdbarch
*gdbarch
, int bfd_vma_bit
);
155 /* One if `char' acts like `signed char', zero if `unsigned char'. */
157 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
158 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
160 #if defined (TARGET_READ_PC)
161 /* Legacy for systems yet to multi-arch TARGET_READ_PC */
162 #if !defined (TARGET_READ_PC_P)
163 #define TARGET_READ_PC_P() (1)
167 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
168 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC_P)
169 #error "Non multi-arch definition of TARGET_READ_PC"
171 #if !defined (TARGET_READ_PC_P)
172 #define TARGET_READ_PC_P() (gdbarch_read_pc_p (current_gdbarch))
175 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (ptid_t ptid
);
176 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, ptid_t ptid
);
177 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
178 #if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC)
179 #error "Non multi-arch definition of TARGET_READ_PC"
181 #if !defined (TARGET_READ_PC)
182 #define TARGET_READ_PC(ptid) (gdbarch_read_pc (current_gdbarch, ptid))
185 typedef void (gdbarch_write_pc_ftype
) (CORE_ADDR val
, ptid_t ptid
);
186 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, CORE_ADDR val
, ptid_t ptid
);
187 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
188 #if !defined (GDB_TM_FILE) && defined (TARGET_WRITE_PC)
189 #error "Non multi-arch definition of TARGET_WRITE_PC"
191 #if !defined (TARGET_WRITE_PC)
192 #define TARGET_WRITE_PC(val, ptid) (gdbarch_write_pc (current_gdbarch, val, ptid))
195 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
196 whole scheme for dealing with "frames" and "frame pointers" needs a
197 serious shakedown. */
199 typedef void (gdbarch_virtual_frame_pointer_ftype
) (CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
200 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
201 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
203 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
205 typedef void (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
206 extern void gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
207 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
209 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
211 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
212 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
213 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
215 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
216 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
218 /* This macro gives the number of pseudo-registers that live in the
219 register namespace but do not get fetched or stored on the target.
220 These pseudo-registers may be aliases for other registers,
221 combinations of other registers, or they may be computed by GDB. */
223 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
224 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
226 /* GDB's standard (or well known) register numbers. These can map onto
227 a real register or a pseudo (computed) register or not be defined at
229 SP_REGNUM will hopefully be replaced by UNWIND_SP. */
231 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
232 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
233 #if !defined (GDB_TM_FILE) && defined (SP_REGNUM)
234 #error "Non multi-arch definition of SP_REGNUM"
236 #if !defined (SP_REGNUM)
237 #define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
240 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
241 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
242 #if !defined (GDB_TM_FILE) && defined (PC_REGNUM)
243 #error "Non multi-arch definition of PC_REGNUM"
245 #if !defined (PC_REGNUM)
246 #define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
249 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
250 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
251 #if !defined (GDB_TM_FILE) && defined (PS_REGNUM)
252 #error "Non multi-arch definition of PS_REGNUM"
254 #if !defined (PS_REGNUM)
255 #define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch))
258 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
259 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
260 #if !defined (GDB_TM_FILE) && defined (FP0_REGNUM)
261 #error "Non multi-arch definition of FP0_REGNUM"
263 #if !defined (FP0_REGNUM)
264 #define FP0_REGNUM (gdbarch_fp0_regnum (current_gdbarch))
267 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
269 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (int stab_regnr
);
270 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
271 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
273 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
275 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (int ecoff_regnr
);
276 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
277 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
279 /* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
281 typedef int (gdbarch_dwarf_reg_to_regnum_ftype
) (int dwarf_regnr
);
282 extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf_regnr
);
283 extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf_reg_to_regnum_ftype
*dwarf_reg_to_regnum
);
285 /* Convert from an sdb register number to an internal gdb register number. */
287 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (int sdb_regnr
);
288 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
289 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
291 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (int dwarf2_regnr
);
292 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
293 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
295 typedef const char * (gdbarch_register_name_ftype
) (int regnr
);
296 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
297 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
299 /* Return the type of a register specified by the architecture. Only
300 the register cache should call this function directly; others should
301 use "register_type". */
303 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
305 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
306 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
307 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
309 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
311 extern int gdbarch_unwind_dummy_id_p (struct gdbarch
*gdbarch
);
313 typedef struct frame_id (gdbarch_unwind_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*info
);
314 extern struct frame_id
gdbarch_unwind_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*info
);
315 extern void set_gdbarch_unwind_dummy_id (struct gdbarch
*gdbarch
, gdbarch_unwind_dummy_id_ftype
*unwind_dummy_id
);
317 /* Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
318 DEPRECATED_FP_REGNUM. */
320 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
321 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
322 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FP_REGNUM)
323 #error "Non multi-arch definition of DEPRECATED_FP_REGNUM"
325 #if !defined (DEPRECATED_FP_REGNUM)
326 #define DEPRECATED_FP_REGNUM (gdbarch_deprecated_fp_regnum (current_gdbarch))
329 /* See gdbint.texinfo. See infcall.c. */
331 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
333 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
);
334 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
);
335 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
337 /* DEPRECATED_REGISTER_SIZE can be deleted. */
339 extern int gdbarch_deprecated_register_size (struct gdbarch
*gdbarch
);
340 extern void set_gdbarch_deprecated_register_size (struct gdbarch
*gdbarch
, int deprecated_register_size
);
341 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_SIZE)
342 #error "Non multi-arch definition of DEPRECATED_REGISTER_SIZE"
344 #if !defined (DEPRECATED_REGISTER_SIZE)
345 #define DEPRECATED_REGISTER_SIZE (gdbarch_deprecated_register_size (current_gdbarch))
348 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
349 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
351 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
353 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
);
354 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
);
355 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
357 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
358 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
359 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
361 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
363 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
364 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
365 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
367 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
369 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
370 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
371 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
373 /* MAP a GDB RAW register number onto a simulator register number. See
374 also include/...-sim.h. */
376 typedef int (gdbarch_register_sim_regno_ftype
) (int reg_nr
);
377 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
378 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
380 typedef int (gdbarch_cannot_fetch_register_ftype
) (int regnum
);
381 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
382 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
384 typedef int (gdbarch_cannot_store_register_ftype
) (int regnum
);
385 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
386 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
388 /* setjmp/longjmp support. */
390 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
392 typedef int (gdbarch_get_longjmp_target_ftype
) (CORE_ADDR
*pc
);
393 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, CORE_ADDR
*pc
);
394 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
396 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
397 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
398 #if !defined (GDB_TM_FILE) && defined (BELIEVE_PCC_PROMOTION)
399 #error "Non multi-arch definition of BELIEVE_PCC_PROMOTION"
401 #if !defined (BELIEVE_PCC_PROMOTION)
402 #define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
405 typedef int (gdbarch_convert_register_p_ftype
) (int regnum
, struct type
*type
);
406 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
407 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
409 typedef void (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
410 extern void gdbarch_register_to_value (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
411 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
413 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
414 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
415 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
417 /* Construct a value representing the contents of register REGNUM in
418 frame FRAME, interpreted as type TYPE. The routine needs to
419 allocate and return a struct value with all value attributes
420 (but not the value contents) filled in. */
422 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct type
*type
, int regnum
, struct frame_info
*frame
);
423 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_info
*frame
);
424 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
426 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct type
*type
, const gdb_byte
*buf
);
427 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
428 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
430 typedef void (gdbarch_address_to_pointer_ftype
) (struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
431 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
432 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
434 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
436 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
437 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
438 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
440 /* It has been suggested that this, well actually its predecessor,
441 should take the type/value of the function to be called and not the
442 return type. This is left as an exercise for the reader.
443 NOTE: cagney/2004-06-13: The function stack.c:return_command uses
444 the predicate with default hack to avoid calling STORE_RETURN_VALUE
445 (via legacy_return_value), when a small struct is involved. */
447 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
449 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
);
450 extern enum return_value_convention
gdbarch_return_value (struct gdbarch
*gdbarch
, struct type
*valtype
, struct regcache
*regcache
, gdb_byte
*readbuf
, const gdb_byte
*writebuf
);
451 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
453 /* The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE,
454 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
455 DEPRECATED_USE_STRUCT_CONVENTION have all been folded into
458 typedef void (gdbarch_extract_return_value_ftype
) (struct type
*type
, struct regcache
*regcache
, gdb_byte
*valbuf
);
459 extern void gdbarch_extract_return_value (struct gdbarch
*gdbarch
, struct type
*type
, struct regcache
*regcache
, gdb_byte
*valbuf
);
460 extern void set_gdbarch_extract_return_value (struct gdbarch
*gdbarch
, gdbarch_extract_return_value_ftype
*extract_return_value
);
461 #if !defined (GDB_TM_FILE) && defined (EXTRACT_RETURN_VALUE)
462 #error "Non multi-arch definition of EXTRACT_RETURN_VALUE"
464 #if !defined (EXTRACT_RETURN_VALUE)
465 #define EXTRACT_RETURN_VALUE(type, regcache, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regcache, valbuf))
468 typedef void (gdbarch_store_return_value_ftype
) (struct type
*type
, struct regcache
*regcache
, const gdb_byte
*valbuf
);
469 extern void gdbarch_store_return_value (struct gdbarch
*gdbarch
, struct type
*type
, struct regcache
*regcache
, const gdb_byte
*valbuf
);
470 extern void set_gdbarch_store_return_value (struct gdbarch
*gdbarch
, gdbarch_store_return_value_ftype
*store_return_value
);
471 #if !defined (GDB_TM_FILE) && defined (STORE_RETURN_VALUE)
472 #error "Non multi-arch definition of STORE_RETURN_VALUE"
474 #if !defined (STORE_RETURN_VALUE)
475 #define STORE_RETURN_VALUE(type, regcache, valbuf) (gdbarch_store_return_value (current_gdbarch, type, regcache, valbuf))
478 typedef int (gdbarch_deprecated_use_struct_convention_ftype
) (int gcc_p
, struct type
*value_type
);
479 extern int gdbarch_deprecated_use_struct_convention (struct gdbarch
*gdbarch
, int gcc_p
, struct type
*value_type
);
480 extern void set_gdbarch_deprecated_use_struct_convention (struct gdbarch
*gdbarch
, gdbarch_deprecated_use_struct_convention_ftype
*deprecated_use_struct_convention
);
481 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_USE_STRUCT_CONVENTION)
482 #error "Non multi-arch definition of DEPRECATED_USE_STRUCT_CONVENTION"
484 #if !defined (DEPRECATED_USE_STRUCT_CONVENTION)
485 #define DEPRECATED_USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_deprecated_use_struct_convention (current_gdbarch, gcc_p, value_type))
488 /* As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
489 ABI suitable for the implementation of a robust extract
490 struct-convention return-value address method (the sparc saves the
491 address in the callers frame). All the other cases so far examined,
492 the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
493 erreneous - the code was incorrectly assuming that the return-value
494 address, stored in a register, was preserved across the entire
496 For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
497 the ABIs that are still to be analyzed - perhaps this should simply
498 be deleted. The commented out extract_returned_value_address method
499 is provided as a starting point for the 32-bit SPARC. It, or
500 something like it, along with changes to both infcmd.c and stack.c
501 will be needed for that case to work. NB: It is passed the callers
502 frame since it is only after the callee has returned that this
504 M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame */
506 #if defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
507 /* Legacy for systems yet to multi-arch DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS */
508 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
509 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
513 extern int gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch
*gdbarch
);
514 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
515 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
517 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
518 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_deprecated_extract_struct_value_address_p (current_gdbarch))
521 typedef CORE_ADDR (gdbarch_deprecated_extract_struct_value_address_ftype
) (struct regcache
*regcache
);
522 extern CORE_ADDR
gdbarch_deprecated_extract_struct_value_address (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
523 extern void set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch
*gdbarch
, gdbarch_deprecated_extract_struct_value_address_ftype
*deprecated_extract_struct_value_address
);
524 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
525 #error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
527 #if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
528 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regcache) (gdbarch_deprecated_extract_struct_value_address (current_gdbarch, regcache))
531 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (CORE_ADDR ip
);
532 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
533 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
535 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
536 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
537 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
539 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (CORE_ADDR
*pcptr
, int *lenptr
);
540 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
541 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
543 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
545 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
546 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
547 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
549 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct bp_target_info
*bp_tgt
);
550 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
551 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
553 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct bp_target_info
*bp_tgt
);
554 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
555 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
557 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
558 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
560 /* A function can be addressed by either it's "pointer" (possibly a
561 descriptor address) or "entry point" (first executable instruction).
562 The method "convert_from_func_ptr_addr" converting the former to the
563 latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement
564 a simplified subset of that functionality - the function's address
565 corresponds to the "function pointer" and the function's start
566 corresponds to the "function entry point" - and hence is redundant. */
568 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
569 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
570 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_FUNCTION_START_OFFSET)
571 #error "Non multi-arch definition of DEPRECATED_FUNCTION_START_OFFSET"
573 #if !defined (DEPRECATED_FUNCTION_START_OFFSET)
574 #define DEPRECATED_FUNCTION_START_OFFSET (gdbarch_deprecated_function_start_offset (current_gdbarch))
577 /* Return the remote protocol register number associated with this
578 register. Normally the identity mapping. */
580 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
581 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
582 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
584 /* Fetch the target specific address used to represent a load module. */
586 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
588 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
589 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
590 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
592 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
593 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
595 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
597 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
598 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
599 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
601 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
603 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
604 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
605 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
607 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
608 frame-base. Enable frame-base before frame-unwind. */
610 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
612 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
613 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
614 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
616 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
618 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
619 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
620 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
622 /* DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
623 stabs_argument_has_addr. */
625 #if defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
626 /* Legacy for systems yet to multi-arch DEPRECATED_REG_STRUCT_HAS_ADDR */
627 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
628 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (1)
632 extern int gdbarch_deprecated_reg_struct_has_addr_p (struct gdbarch
*gdbarch
);
633 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
634 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
636 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
637 #define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (gdbarch_deprecated_reg_struct_has_addr_p (current_gdbarch))
640 typedef int (gdbarch_deprecated_reg_struct_has_addr_ftype
) (int gcc_p
, struct type
*type
);
641 extern int gdbarch_deprecated_reg_struct_has_addr (struct gdbarch
*gdbarch
, int gcc_p
, struct type
*type
);
642 extern void set_gdbarch_deprecated_reg_struct_has_addr (struct gdbarch
*gdbarch
, gdbarch_deprecated_reg_struct_has_addr_ftype
*deprecated_reg_struct_has_addr
);
643 #if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
644 #error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
646 #if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
647 #define DEPRECATED_REG_STRUCT_HAS_ADDR(gcc_p, type) (gdbarch_deprecated_reg_struct_has_addr (current_gdbarch, gcc_p, type))
650 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
651 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
652 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
654 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
655 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
657 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
658 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
659 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
661 /* On some machines there are bits in addresses which are not really
662 part of the address, but are used by the kernel, the hardware, etc.
663 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
664 we get a "real" address such as one would find in a symbol table.
665 This is used only for addresses of instructions, and even then I'm
666 not sure it's used in all contexts. It exists to deal with there
667 being a few stray bits in the PC which would mislead us, not as some
668 sort of generic thing to handle alignment or segmentation (it's
669 possible it should be in TARGET_READ_PC instead). */
671 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (CORE_ADDR addr
);
672 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
673 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
675 /* It is not at all clear why gdbarch_smash_text_address is not folded into
676 gdbarch_addr_bits_remove. */
678 typedef CORE_ADDR (gdbarch_smash_text_address_ftype
) (CORE_ADDR addr
);
679 extern CORE_ADDR
gdbarch_smash_text_address (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
680 extern void set_gdbarch_smash_text_address (struct gdbarch
*gdbarch
, gdbarch_smash_text_address_ftype
*smash_text_address
);
682 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
683 indicates if the target needs software single step. An ISA method to
686 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
687 breakpoints using the breakpoint system instead of blatting memory directly
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 A return value of 1 means that the software_single_step breakpoints
694 were inserted; 0 means they were not. */
696 #if defined (SOFTWARE_SINGLE_STEP)
697 /* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
698 #if !defined (SOFTWARE_SINGLE_STEP_P)
699 #define SOFTWARE_SINGLE_STEP_P() (1)
703 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
704 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP_P)
705 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
707 #if !defined (SOFTWARE_SINGLE_STEP_P)
708 #define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
711 typedef int (gdbarch_software_single_step_ftype
) (struct regcache
*regcache
);
712 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
713 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
714 #if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP)
715 #error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
717 #if !defined (SOFTWARE_SINGLE_STEP)
718 #define SOFTWARE_SINGLE_STEP(regcache) (gdbarch_software_single_step (current_gdbarch, regcache))
721 /* Return non-zero if the processor is executing a delay slot and a
722 further single-step is needed before the instruction finishes. */
724 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
726 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
727 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
728 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
730 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
731 disassembler. Perhaps objdump can handle it? */
733 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
734 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
735 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
736 #if !defined (GDB_TM_FILE) && defined (TARGET_PRINT_INSN)
737 #error "Non multi-arch definition of TARGET_PRINT_INSN"
739 #if !defined (TARGET_PRINT_INSN)
740 #define TARGET_PRINT_INSN(vma, info) (gdbarch_print_insn (current_gdbarch, vma, info))
743 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (CORE_ADDR pc
);
744 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
745 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
747 /* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
748 evaluates non-zero, this is the address where the debugger will place
749 a step-resume breakpoint to get us past the dynamic linker. */
751 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
752 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
753 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
755 /* Some systems also have trampoline code for returning from shared libs. */
757 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (CORE_ADDR pc
, char *name
);
758 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, char *name
);
759 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
761 /* A target might have problems with watchpoints as soon as the stack
762 frame of the current function has been destroyed. This mostly happens
763 as the first action in a funtion's epilogue. in_function_epilogue_p()
764 is defined to return a non-zero value if either the given addr is one
765 instruction after the stack destroying instruction up to the trailing
766 return instruction or if we can figure out that the stack frame has
767 already been invalidated regardless of the value of addr. Targets
768 which don't suffer from that problem could just let this functionality
771 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
772 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
773 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
775 /* Given a vector of command-line arguments, return a newly allocated
776 string which, when passed to the create_inferior function, will be
777 parsed (on Unix systems, by the shell) to yield the same vector.
778 This function should call error() if the argument vector is not
779 representable for this target or if this target does not support
780 command-line arguments.
781 ARGC is the number of elements in the vector.
782 ARGV is an array of strings, one per argument. */
784 typedef char * (gdbarch_construct_inferior_arguments_ftype
) (struct gdbarch
*gdbarch
, int argc
, char **argv
);
785 extern char * gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, int argc
, char **argv
);
786 extern void set_gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, gdbarch_construct_inferior_arguments_ftype
*construct_inferior_arguments
);
788 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
789 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
790 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
792 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
793 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
794 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
796 extern const char * gdbarch_name_of_malloc (struct gdbarch
*gdbarch
);
797 extern void set_gdbarch_name_of_malloc (struct gdbarch
*gdbarch
, const char * name_of_malloc
);
799 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
800 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
802 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
803 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
805 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
807 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
808 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
809 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
811 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
813 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
814 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
815 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
);
817 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
819 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
820 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
821 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
);
823 /* Is a register in a group */
825 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
826 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
827 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
829 /* Fetch the pointer to the ith function argument. */
831 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
833 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
834 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
835 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
837 /* Return the appropriate register set for a core file section with
838 name SECT_NAME and size SECT_SIZE. */
840 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
842 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
843 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
844 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
846 /* If the elements of C++ vtables are in-place function descriptors rather
847 than normal function pointers (which may point to code or a descriptor),
850 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
851 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
853 /* Set if the least significant bit of the delta is used instead of the least
854 significant bit of the pfn for pointers to virtual member functions. */
856 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
857 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
859 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
861 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
863 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
864 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
865 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
867 /* Refresh overlay mapped state for section OSECT. */
869 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
871 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
872 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
873 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
875 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
878 /* Mechanism for co-ordinating the selection of a specific
881 GDB targets (*-tdep.c) can register an interest in a specific
882 architecture. Other GDB components can register a need to maintain
883 per-architecture data.
885 The mechanisms below ensures that there is only a loose connection
886 between the set-architecture command and the various GDB
887 components. Each component can independently register their need
888 to maintain architecture specific data with gdbarch.
892 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
895 The more traditional mega-struct containing architecture specific
896 data for all the various GDB components was also considered. Since
897 GDB is built from a variable number of (fairly independent)
898 components it was determined that the global aproach was not
902 /* Register a new architectural family with GDB.
904 Register support for the specified ARCHITECTURE with GDB. When
905 gdbarch determines that the specified architecture has been
906 selected, the corresponding INIT function is called.
910 The INIT function takes two parameters: INFO which contains the
911 information available to gdbarch about the (possibly new)
912 architecture; ARCHES which is a list of the previously created
913 ``struct gdbarch'' for this architecture.
915 The INFO parameter is, as far as possible, be pre-initialized with
916 information obtained from INFO.ABFD or the global defaults.
918 The ARCHES parameter is a linked list (sorted most recently used)
919 of all the previously created architures for this architecture
920 family. The (possibly NULL) ARCHES->gdbarch can used to access
921 values from the previously selected architecture for this
922 architecture family. The global ``current_gdbarch'' shall not be
925 The INIT function shall return any of: NULL - indicating that it
926 doesn't recognize the selected architecture; an existing ``struct
927 gdbarch'' from the ARCHES list - indicating that the new
928 architecture is just a synonym for an earlier architecture (see
929 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
930 - that describes the selected architecture (see gdbarch_alloc()).
932 The DUMP_TDEP function shall print out all target specific values.
933 Care should be taken to ensure that the function works in both the
934 multi-arch and non- multi-arch cases. */
938 struct gdbarch
*gdbarch
;
939 struct gdbarch_list
*next
;
944 /* Use default: NULL (ZERO). */
945 const struct bfd_arch_info
*bfd_arch_info
;
947 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
950 /* Use default: NULL (ZERO). */
953 /* Use default: NULL (ZERO). */
954 struct gdbarch_tdep_info
*tdep_info
;
956 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
957 enum gdb_osabi osabi
;
959 /* Use default: NULL (ZERO). */
960 const struct target_desc
*target_desc
;
963 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
964 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
966 /* DEPRECATED - use gdbarch_register() */
967 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
969 extern void gdbarch_register (enum bfd_architecture architecture
,
970 gdbarch_init_ftype
*,
971 gdbarch_dump_tdep_ftype
*);
974 /* Return a freshly allocated, NULL terminated, array of the valid
975 architecture names. Since architectures are registered during the
976 _initialize phase this function only returns useful information
977 once initialization has been completed. */
979 extern const char **gdbarch_printable_names (void);
982 /* Helper function. Search the list of ARCHES for a GDBARCH that
983 matches the information provided by INFO. */
985 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
988 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
989 basic initialization using values obtained from the INFO and TDEP
990 parameters. set_gdbarch_*() functions are called to complete the
991 initialization of the object. */
993 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
996 /* Helper function. Free a partially-constructed ``struct gdbarch''.
997 It is assumed that the caller freeds the ``struct
1000 extern void gdbarch_free (struct gdbarch
*);
1003 /* Helper function. Allocate memory from the ``struct gdbarch''
1004 obstack. The memory is freed when the corresponding architecture
1007 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
1008 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1009 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1012 /* Helper function. Force an update of the current architecture.
1014 The actual architecture selected is determined by INFO, ``(gdb) set
1015 architecture'' et.al., the existing architecture and BFD's default
1016 architecture. INFO should be initialized to zero and then selected
1017 fields should be updated.
1019 Returns non-zero if the update succeeds */
1021 extern int gdbarch_update_p (struct gdbarch_info info
);
1024 /* Helper function. Find an architecture matching info.
1026 INFO should be initialized using gdbarch_info_init, relevant fields
1027 set, and then finished using gdbarch_info_fill.
1029 Returns the corresponding architecture, or NULL if no matching
1030 architecture was found. "current_gdbarch" is not updated. */
1032 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
1035 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1037 FIXME: kettenis/20031124: Of the functions that follow, only
1038 gdbarch_from_bfd is supposed to survive. The others will
1039 dissappear since in the future GDB will (hopefully) be truly
1040 multi-arch. However, for now we're still stuck with the concept of
1041 a single active architecture. */
1043 extern void deprecated_current_gdbarch_select_hack (struct gdbarch
*gdbarch
);
1046 /* Register per-architecture data-pointer.
1048 Reserve space for a per-architecture data-pointer. An identifier
1049 for the reserved data-pointer is returned. That identifer should
1050 be saved in a local static variable.
1052 Memory for the per-architecture data shall be allocated using
1053 gdbarch_obstack_zalloc. That memory will be deleted when the
1054 corresponding architecture object is deleted.
1056 When a previously created architecture is re-selected, the
1057 per-architecture data-pointer for that previous architecture is
1058 restored. INIT() is not re-called.
1060 Multiple registrarants for any architecture are allowed (and
1061 strongly encouraged). */
1063 struct gdbarch_data
;
1065 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
1066 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
1067 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
1068 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
1069 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
1070 struct gdbarch_data
*data
,
1073 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
1077 /* Register per-architecture memory region.
1079 Provide a memory-region swap mechanism. Per-architecture memory
1080 region are created. These memory regions are swapped whenever the
1081 architecture is changed. For a new architecture, the memory region
1082 is initialized with zero (0) and the INIT function is called.
1084 Memory regions are swapped / initialized in the order that they are
1085 registered. NULL DATA and/or INIT values can be specified.
1087 New code should use gdbarch_data_register_*(). */
1089 typedef void (gdbarch_swap_ftype
) (void);
1090 extern void deprecated_register_gdbarch_swap (void *data
, unsigned long size
, gdbarch_swap_ftype
*init
);
1091 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1095 /* Set the dynamic target-system-dependent parameters (architecture,
1096 byte-order, ...) using information found in the BFD */
1098 extern void set_gdbarch_from_file (bfd
*);
1101 /* Initialize the current architecture to the "first" one we find on
1104 extern void initialize_current_architecture (void);
1106 /* gdbarch trace variable */
1107 extern int gdbarch_debug
;
1109 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);