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, 2007
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 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* This file was created with the aid of ``gdbarch.sh''.
25 The Bourne shell script ``gdbarch.sh'' creates the files
26 ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
27 against the existing ``gdbarch.[hc]''. Any differences found
30 If editing this file, please also run gdbarch.sh and merge any
31 changes into that script. Conversely, when making sweeping changes
32 to this file, modifying gdbarch.sh and using its output may prove
44 struct minimal_symbol
;
48 struct disassemble_info
;
51 struct bp_target_info
;
54 extern struct gdbarch
*current_gdbarch
;
57 /* The following are pre-initialized by GDBARCH. */
59 extern const struct bfd_arch_info
* gdbarch_bfd_arch_info (struct gdbarch
*gdbarch
);
60 /* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
62 extern int gdbarch_byte_order (struct gdbarch
*gdbarch
);
63 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
65 extern enum gdb_osabi
gdbarch_osabi (struct gdbarch
*gdbarch
);
66 /* set_gdbarch_osabi() - not applicable - pre-initialized. */
68 extern const struct target_desc
* gdbarch_target_desc (struct gdbarch
*gdbarch
);
69 /* set_gdbarch_target_desc() - not applicable - pre-initialized. */
72 /* The following are initialized by the target dependent code. */
74 /* The bit byte-order has to do just with numbering of bits in debugging symbols
75 and such. Conceptually, it's quite separate from byte/word byte order. */
77 extern int gdbarch_bits_big_endian (struct gdbarch
*gdbarch
);
78 extern void set_gdbarch_bits_big_endian (struct gdbarch
*gdbarch
, int bits_big_endian
);
80 /* Number of bits in a char or unsigned char for the target machine.
81 Just like CHAR_BIT in <limits.h> but describes the target machine.
82 v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
84 Number of bits in a short or unsigned short for the target machine. */
86 extern int gdbarch_short_bit (struct gdbarch
*gdbarch
);
87 extern void set_gdbarch_short_bit (struct gdbarch
*gdbarch
, int short_bit
);
89 /* Number of bits in an int or unsigned int for the target machine. */
91 extern int gdbarch_int_bit (struct gdbarch
*gdbarch
);
92 extern void set_gdbarch_int_bit (struct gdbarch
*gdbarch
, int int_bit
);
94 /* Number of bits in a long or unsigned long for the target machine. */
96 extern int gdbarch_long_bit (struct gdbarch
*gdbarch
);
97 extern void set_gdbarch_long_bit (struct gdbarch
*gdbarch
, int long_bit
);
99 /* Number of bits in a long long or unsigned long long for the target
102 extern int gdbarch_long_long_bit (struct gdbarch
*gdbarch
);
103 extern void set_gdbarch_long_long_bit (struct gdbarch
*gdbarch
, int long_long_bit
);
105 /* The ABI default bit-size and format for "float", "double", and "long
106 double". These bit/format pairs should eventually be combined into
107 a single object. For the moment, just initialize them as a pair.
108 Each format describes both the big and little endian layouts (if
111 extern int gdbarch_float_bit (struct gdbarch
*gdbarch
);
112 extern void set_gdbarch_float_bit (struct gdbarch
*gdbarch
, int float_bit
);
114 extern const struct floatformat
** gdbarch_float_format (struct gdbarch
*gdbarch
);
115 extern void set_gdbarch_float_format (struct gdbarch
*gdbarch
, const struct floatformat
** float_format
);
117 extern int gdbarch_double_bit (struct gdbarch
*gdbarch
);
118 extern void set_gdbarch_double_bit (struct gdbarch
*gdbarch
, int double_bit
);
120 extern const struct floatformat
** gdbarch_double_format (struct gdbarch
*gdbarch
);
121 extern void set_gdbarch_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** double_format
);
123 extern int gdbarch_long_double_bit (struct gdbarch
*gdbarch
);
124 extern void set_gdbarch_long_double_bit (struct gdbarch
*gdbarch
, int long_double_bit
);
126 extern const struct floatformat
** gdbarch_long_double_format (struct gdbarch
*gdbarch
);
127 extern void set_gdbarch_long_double_format (struct gdbarch
*gdbarch
, const struct floatformat
** long_double_format
);
129 /* For most targets, a pointer on the target and its representation as an
130 address in GDB have the same size and "look the same". For such a
131 target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
132 / addr_bit will be set from it.
134 If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
135 also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer
138 ptr_bit is the size of a pointer on the target */
140 extern int gdbarch_ptr_bit (struct gdbarch
*gdbarch
);
141 extern void set_gdbarch_ptr_bit (struct gdbarch
*gdbarch
, int ptr_bit
);
143 /* addr_bit is the size of a target address as represented in gdb */
145 extern int gdbarch_addr_bit (struct gdbarch
*gdbarch
);
146 extern void set_gdbarch_addr_bit (struct gdbarch
*gdbarch
, int addr_bit
);
148 /* One if `char' acts like `signed char', zero if `unsigned char'. */
150 extern int gdbarch_char_signed (struct gdbarch
*gdbarch
);
151 extern void set_gdbarch_char_signed (struct gdbarch
*gdbarch
, int char_signed
);
153 extern int gdbarch_read_pc_p (struct gdbarch
*gdbarch
);
155 typedef CORE_ADDR (gdbarch_read_pc_ftype
) (struct regcache
*regcache
);
156 extern CORE_ADDR
gdbarch_read_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
157 extern void set_gdbarch_read_pc (struct gdbarch
*gdbarch
, gdbarch_read_pc_ftype
*read_pc
);
159 extern int gdbarch_write_pc_p (struct gdbarch
*gdbarch
);
161 typedef void (gdbarch_write_pc_ftype
) (struct regcache
*regcache
, CORE_ADDR val
);
162 extern void gdbarch_write_pc (struct gdbarch
*gdbarch
, struct regcache
*regcache
, CORE_ADDR val
);
163 extern void set_gdbarch_write_pc (struct gdbarch
*gdbarch
, gdbarch_write_pc_ftype
*write_pc
);
165 /* Function for getting target's idea of a frame pointer. FIXME: GDB's
166 whole scheme for dealing with "frames" and "frame pointers" needs a
167 serious shakedown. */
169 typedef void (gdbarch_virtual_frame_pointer_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
170 extern void gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, CORE_ADDR pc
, int *frame_regnum
, LONGEST
*frame_offset
);
171 extern void set_gdbarch_virtual_frame_pointer (struct gdbarch
*gdbarch
, gdbarch_virtual_frame_pointer_ftype
*virtual_frame_pointer
);
173 extern int gdbarch_pseudo_register_read_p (struct gdbarch
*gdbarch
);
175 typedef void (gdbarch_pseudo_register_read_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
176 extern void gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, gdb_byte
*buf
);
177 extern void set_gdbarch_pseudo_register_read (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_read_ftype
*pseudo_register_read
);
179 extern int gdbarch_pseudo_register_write_p (struct gdbarch
*gdbarch
);
181 typedef void (gdbarch_pseudo_register_write_ftype
) (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
182 extern void gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, struct regcache
*regcache
, int cookednum
, const gdb_byte
*buf
);
183 extern void set_gdbarch_pseudo_register_write (struct gdbarch
*gdbarch
, gdbarch_pseudo_register_write_ftype
*pseudo_register_write
);
185 extern int gdbarch_num_regs (struct gdbarch
*gdbarch
);
186 extern void set_gdbarch_num_regs (struct gdbarch
*gdbarch
, int num_regs
);
188 /* This macro gives the number of pseudo-registers that live in the
189 register namespace but do not get fetched or stored on the target.
190 These pseudo-registers may be aliases for other registers,
191 combinations of other registers, or they may be computed by GDB. */
193 extern int gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
);
194 extern void set_gdbarch_num_pseudo_regs (struct gdbarch
*gdbarch
, int num_pseudo_regs
);
196 /* GDB's standard (or well known) register numbers. These can map onto
197 a real register or a pseudo (computed) register or not be defined at
199 gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
201 extern int gdbarch_sp_regnum (struct gdbarch
*gdbarch
);
202 extern void set_gdbarch_sp_regnum (struct gdbarch
*gdbarch
, int sp_regnum
);
204 extern int gdbarch_pc_regnum (struct gdbarch
*gdbarch
);
205 extern void set_gdbarch_pc_regnum (struct gdbarch
*gdbarch
, int pc_regnum
);
207 extern int gdbarch_ps_regnum (struct gdbarch
*gdbarch
);
208 extern void set_gdbarch_ps_regnum (struct gdbarch
*gdbarch
, int ps_regnum
);
210 extern int gdbarch_fp0_regnum (struct gdbarch
*gdbarch
);
211 extern void set_gdbarch_fp0_regnum (struct gdbarch
*gdbarch
, int fp0_regnum
);
213 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
215 typedef int (gdbarch_stab_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int stab_regnr
);
216 extern int gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, int stab_regnr
);
217 extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_stab_reg_to_regnum_ftype
*stab_reg_to_regnum
);
219 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
221 typedef int (gdbarch_ecoff_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int ecoff_regnr
);
222 extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, int ecoff_regnr
);
223 extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_ecoff_reg_to_regnum_ftype
*ecoff_reg_to_regnum
);
225 /* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
227 typedef int (gdbarch_dwarf_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf_regnr
);
228 extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf_regnr
);
229 extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf_reg_to_regnum_ftype
*dwarf_reg_to_regnum
);
231 /* Convert from an sdb register number to an internal gdb register number. */
233 typedef int (gdbarch_sdb_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int sdb_regnr
);
234 extern int gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, int sdb_regnr
);
235 extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_sdb_reg_to_regnum_ftype
*sdb_reg_to_regnum
);
237 typedef int (gdbarch_dwarf2_reg_to_regnum_ftype
) (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
238 extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, int dwarf2_regnr
);
239 extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch
*gdbarch
, gdbarch_dwarf2_reg_to_regnum_ftype
*dwarf2_reg_to_regnum
);
241 typedef const char * (gdbarch_register_name_ftype
) (struct gdbarch
*gdbarch
, int regnr
);
242 extern const char * gdbarch_register_name (struct gdbarch
*gdbarch
, int regnr
);
243 extern void set_gdbarch_register_name (struct gdbarch
*gdbarch
, gdbarch_register_name_ftype
*register_name
);
245 /* Return the type of a register specified by the architecture. Only
246 the register cache should call this function directly; others should
247 use "register_type". */
249 extern int gdbarch_register_type_p (struct gdbarch
*gdbarch
);
251 typedef struct type
* (gdbarch_register_type_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
252 extern struct type
* gdbarch_register_type (struct gdbarch
*gdbarch
, int reg_nr
);
253 extern void set_gdbarch_register_type (struct gdbarch
*gdbarch
, gdbarch_register_type_ftype
*register_type
);
255 /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
257 extern int gdbarch_dummy_id_p (struct gdbarch
*gdbarch
);
259 typedef struct frame_id (gdbarch_dummy_id_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
260 extern struct frame_id
gdbarch_dummy_id (struct gdbarch
*gdbarch
, struct frame_info
*this_frame
);
261 extern void set_gdbarch_dummy_id (struct gdbarch
*gdbarch
, gdbarch_dummy_id_ftype
*dummy_id
);
263 /* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
264 deprecated_fp_regnum. */
266 extern int gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
);
267 extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch
*gdbarch
, int deprecated_fp_regnum
);
269 /* See gdbint.texinfo. See infcall.c. */
271 extern int gdbarch_push_dummy_call_p (struct gdbarch
*gdbarch
);
273 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
);
274 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
);
275 extern void set_gdbarch_push_dummy_call (struct gdbarch
*gdbarch
, gdbarch_push_dummy_call_ftype
*push_dummy_call
);
277 extern int gdbarch_call_dummy_location (struct gdbarch
*gdbarch
);
278 extern void set_gdbarch_call_dummy_location (struct gdbarch
*gdbarch
, int call_dummy_location
);
280 extern int gdbarch_push_dummy_code_p (struct gdbarch
*gdbarch
);
282 typedef CORE_ADDR (gdbarch_push_dummy_code_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR sp
, CORE_ADDR funaddr
, struct value
**args
, int nargs
, struct type
*value_type
, CORE_ADDR
*real_pc
, CORE_ADDR
*bp_addr
, struct regcache
*regcache
);
283 extern CORE_ADDR
gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, CORE_ADDR sp
, CORE_ADDR funaddr
, struct value
**args
, int nargs
, struct type
*value_type
, CORE_ADDR
*real_pc
, CORE_ADDR
*bp_addr
, struct regcache
*regcache
);
284 extern void set_gdbarch_push_dummy_code (struct gdbarch
*gdbarch
, gdbarch_push_dummy_code_ftype
*push_dummy_code
);
286 typedef void (gdbarch_print_registers_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
287 extern void gdbarch_print_registers_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, int regnum
, int all
);
288 extern void set_gdbarch_print_registers_info (struct gdbarch
*gdbarch
, gdbarch_print_registers_info_ftype
*print_registers_info
);
290 extern int gdbarch_print_float_info_p (struct gdbarch
*gdbarch
);
292 typedef void (gdbarch_print_float_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
293 extern void gdbarch_print_float_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
294 extern void set_gdbarch_print_float_info (struct gdbarch
*gdbarch
, gdbarch_print_float_info_ftype
*print_float_info
);
296 extern int gdbarch_print_vector_info_p (struct gdbarch
*gdbarch
);
298 typedef void (gdbarch_print_vector_info_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
299 extern void gdbarch_print_vector_info (struct gdbarch
*gdbarch
, struct ui_file
*file
, struct frame_info
*frame
, const char *args
);
300 extern void set_gdbarch_print_vector_info (struct gdbarch
*gdbarch
, gdbarch_print_vector_info_ftype
*print_vector_info
);
302 /* MAP a GDB RAW register number onto a simulator register number. See
303 also include/...-sim.h. */
305 typedef int (gdbarch_register_sim_regno_ftype
) (struct gdbarch
*gdbarch
, int reg_nr
);
306 extern int gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, int reg_nr
);
307 extern void set_gdbarch_register_sim_regno (struct gdbarch
*gdbarch
, gdbarch_register_sim_regno_ftype
*register_sim_regno
);
309 typedef int (gdbarch_cannot_fetch_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
310 extern int gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, int regnum
);
311 extern void set_gdbarch_cannot_fetch_register (struct gdbarch
*gdbarch
, gdbarch_cannot_fetch_register_ftype
*cannot_fetch_register
);
313 typedef int (gdbarch_cannot_store_register_ftype
) (struct gdbarch
*gdbarch
, int regnum
);
314 extern int gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, int regnum
);
315 extern void set_gdbarch_cannot_store_register (struct gdbarch
*gdbarch
, gdbarch_cannot_store_register_ftype
*cannot_store_register
);
317 /* setjmp/longjmp support. */
319 extern int gdbarch_get_longjmp_target_p (struct gdbarch
*gdbarch
);
321 typedef int (gdbarch_get_longjmp_target_ftype
) (struct frame_info
*frame
, CORE_ADDR
*pc
);
322 extern int gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR
*pc
);
323 extern void set_gdbarch_get_longjmp_target (struct gdbarch
*gdbarch
, gdbarch_get_longjmp_target_ftype
*get_longjmp_target
);
325 extern int gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
);
326 extern void set_gdbarch_believe_pcc_promotion (struct gdbarch
*gdbarch
, int believe_pcc_promotion
);
328 typedef int (gdbarch_convert_register_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
329 extern int gdbarch_convert_register_p (struct gdbarch
*gdbarch
, int regnum
, struct type
*type
);
330 extern void set_gdbarch_convert_register_p (struct gdbarch
*gdbarch
, gdbarch_convert_register_p_ftype
*convert_register_p
);
332 typedef void (gdbarch_register_to_value_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
333 extern void gdbarch_register_to_value (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, gdb_byte
*buf
);
334 extern void set_gdbarch_register_to_value (struct gdbarch
*gdbarch
, gdbarch_register_to_value_ftype
*register_to_value
);
336 typedef void (gdbarch_value_to_register_ftype
) (struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
337 extern void gdbarch_value_to_register (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int regnum
, struct type
*type
, const gdb_byte
*buf
);
338 extern void set_gdbarch_value_to_register (struct gdbarch
*gdbarch
, gdbarch_value_to_register_ftype
*value_to_register
);
340 /* Construct a value representing the contents of register REGNUM in
341 frame FRAME, interpreted as type TYPE. The routine needs to
342 allocate and return a struct value with all value attributes
343 (but not the value contents) filled in. */
345 typedef struct value
* (gdbarch_value_from_register_ftype
) (struct type
*type
, int regnum
, struct frame_info
*frame
);
346 extern struct value
* gdbarch_value_from_register (struct gdbarch
*gdbarch
, struct type
*type
, int regnum
, struct frame_info
*frame
);
347 extern void set_gdbarch_value_from_register (struct gdbarch
*gdbarch
, gdbarch_value_from_register_ftype
*value_from_register
);
349 typedef CORE_ADDR (gdbarch_pointer_to_address_ftype
) (struct type
*type
, const gdb_byte
*buf
);
350 extern CORE_ADDR
gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
351 extern void set_gdbarch_pointer_to_address (struct gdbarch
*gdbarch
, gdbarch_pointer_to_address_ftype
*pointer_to_address
);
353 typedef void (gdbarch_address_to_pointer_ftype
) (struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
354 extern void gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, struct type
*type
, gdb_byte
*buf
, CORE_ADDR addr
);
355 extern void set_gdbarch_address_to_pointer (struct gdbarch
*gdbarch
, gdbarch_address_to_pointer_ftype
*address_to_pointer
);
357 extern int gdbarch_integer_to_address_p (struct gdbarch
*gdbarch
);
359 typedef CORE_ADDR (gdbarch_integer_to_address_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
360 extern CORE_ADDR
gdbarch_integer_to_address (struct gdbarch
*gdbarch
, struct type
*type
, const gdb_byte
*buf
);
361 extern void set_gdbarch_integer_to_address (struct gdbarch
*gdbarch
, gdbarch_integer_to_address_ftype
*integer_to_address
);
363 /* Return the return-value convention that will be used by FUNCTYPE
364 to return a value of type VALTYPE. FUNCTYPE may be NULL in which
365 case the return convention is computed based only on VALTYPE.
367 If READBUF is not NULL, extract the return value and save it in this buffer.
369 If WRITEBUF is not NULL, it contains a return value which will be
370 stored into the appropriate register. This can be used when we want
371 to force the value returned by a function (see the "return" command
374 extern int gdbarch_return_value_p (struct gdbarch
*gdbarch
);
376 typedef enum return_value_convention (gdbarch_return_value_ftype
) (struct gdbarch
*gdbarch
, struct type
*functype
, struct type
*valtype
, struct regcache
*regcache
, gdb_byte
*readbuf
, const gdb_byte
*writebuf
);
377 extern enum return_value_convention
gdbarch_return_value (struct gdbarch
*gdbarch
, struct type
*functype
, struct type
*valtype
, struct regcache
*regcache
, gdb_byte
*readbuf
, const gdb_byte
*writebuf
);
378 extern void set_gdbarch_return_value (struct gdbarch
*gdbarch
, gdbarch_return_value_ftype
*return_value
);
380 typedef CORE_ADDR (gdbarch_skip_prologue_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
381 extern CORE_ADDR
gdbarch_skip_prologue (struct gdbarch
*gdbarch
, CORE_ADDR ip
);
382 extern void set_gdbarch_skip_prologue (struct gdbarch
*gdbarch
, gdbarch_skip_prologue_ftype
*skip_prologue
);
384 typedef int (gdbarch_inner_than_ftype
) (CORE_ADDR lhs
, CORE_ADDR rhs
);
385 extern int gdbarch_inner_than (struct gdbarch
*gdbarch
, CORE_ADDR lhs
, CORE_ADDR rhs
);
386 extern void set_gdbarch_inner_than (struct gdbarch
*gdbarch
, gdbarch_inner_than_ftype
*inner_than
);
388 typedef const gdb_byte
* (gdbarch_breakpoint_from_pc_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
389 extern const gdb_byte
* gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, CORE_ADDR
*pcptr
, int *lenptr
);
390 extern void set_gdbarch_breakpoint_from_pc (struct gdbarch
*gdbarch
, gdbarch_breakpoint_from_pc_ftype
*breakpoint_from_pc
);
392 extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch
*gdbarch
);
394 typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
395 extern CORE_ADDR
gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, CORE_ADDR bpaddr
);
396 extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch
*gdbarch
, gdbarch_adjust_breakpoint_address_ftype
*adjust_breakpoint_address
);
398 typedef int (gdbarch_memory_insert_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
399 extern int gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
400 extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_insert_breakpoint_ftype
*memory_insert_breakpoint
);
402 typedef int (gdbarch_memory_remove_breakpoint_ftype
) (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
403 extern int gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, struct bp_target_info
*bp_tgt
);
404 extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch
*gdbarch
, gdbarch_memory_remove_breakpoint_ftype
*memory_remove_breakpoint
);
406 extern CORE_ADDR
gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
);
407 extern void set_gdbarch_decr_pc_after_break (struct gdbarch
*gdbarch
, CORE_ADDR decr_pc_after_break
);
409 /* A function can be addressed by either it's "pointer" (possibly a
410 descriptor address) or "entry point" (first executable instruction).
411 The method "convert_from_func_ptr_addr" converting the former to the
412 latter. gdbarch_deprecated_function_start_offset is being used to implement
413 a simplified subset of that functionality - the function's address
414 corresponds to the "function pointer" and the function's start
415 corresponds to the "function entry point" - and hence is redundant. */
417 extern CORE_ADDR
gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
);
418 extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch
*gdbarch
, CORE_ADDR deprecated_function_start_offset
);
420 /* Return the remote protocol register number associated with this
421 register. Normally the identity mapping. */
423 typedef int (gdbarch_remote_register_number_ftype
) (struct gdbarch
*gdbarch
, int regno
);
424 extern int gdbarch_remote_register_number (struct gdbarch
*gdbarch
, int regno
);
425 extern void set_gdbarch_remote_register_number (struct gdbarch
*gdbarch
, gdbarch_remote_register_number_ftype
*remote_register_number
);
427 /* Fetch the target specific address used to represent a load module. */
429 extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch
*gdbarch
);
431 typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype
) (struct objfile
*objfile
);
432 extern CORE_ADDR
gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, struct objfile
*objfile
);
433 extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch
*gdbarch
, gdbarch_fetch_tls_load_module_address_ftype
*fetch_tls_load_module_address
);
435 extern CORE_ADDR
gdbarch_frame_args_skip (struct gdbarch
*gdbarch
);
436 extern void set_gdbarch_frame_args_skip (struct gdbarch
*gdbarch
, CORE_ADDR frame_args_skip
);
438 extern int gdbarch_unwind_pc_p (struct gdbarch
*gdbarch
);
440 typedef CORE_ADDR (gdbarch_unwind_pc_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
441 extern CORE_ADDR
gdbarch_unwind_pc (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
442 extern void set_gdbarch_unwind_pc (struct gdbarch
*gdbarch
, gdbarch_unwind_pc_ftype
*unwind_pc
);
444 extern int gdbarch_unwind_sp_p (struct gdbarch
*gdbarch
);
446 typedef CORE_ADDR (gdbarch_unwind_sp_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
447 extern CORE_ADDR
gdbarch_unwind_sp (struct gdbarch
*gdbarch
, struct frame_info
*next_frame
);
448 extern void set_gdbarch_unwind_sp (struct gdbarch
*gdbarch
, gdbarch_unwind_sp_ftype
*unwind_sp
);
450 /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
451 frame-base. Enable frame-base before frame-unwind. */
453 extern int gdbarch_frame_num_args_p (struct gdbarch
*gdbarch
);
455 typedef int (gdbarch_frame_num_args_ftype
) (struct frame_info
*frame
);
456 extern int gdbarch_frame_num_args (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
457 extern void set_gdbarch_frame_num_args (struct gdbarch
*gdbarch
, gdbarch_frame_num_args_ftype
*frame_num_args
);
459 extern int gdbarch_frame_align_p (struct gdbarch
*gdbarch
);
461 typedef CORE_ADDR (gdbarch_frame_align_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR address
);
462 extern CORE_ADDR
gdbarch_frame_align (struct gdbarch
*gdbarch
, CORE_ADDR address
);
463 extern void set_gdbarch_frame_align (struct gdbarch
*gdbarch
, gdbarch_frame_align_ftype
*frame_align
);
465 typedef int (gdbarch_stabs_argument_has_addr_ftype
) (struct gdbarch
*gdbarch
, struct type
*type
);
466 extern int gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, struct type
*type
);
467 extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch
*gdbarch
, gdbarch_stabs_argument_has_addr_ftype
*stabs_argument_has_addr
);
469 extern int gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
);
470 extern void set_gdbarch_frame_red_zone_size (struct gdbarch
*gdbarch
, int frame_red_zone_size
);
472 typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
473 extern CORE_ADDR
gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, CORE_ADDR addr
, struct target_ops
*targ
);
474 extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch
*gdbarch
, gdbarch_convert_from_func_ptr_addr_ftype
*convert_from_func_ptr_addr
);
476 /* On some machines there are bits in addresses which are not really
477 part of the address, but are used by the kernel, the hardware, etc.
478 for special purposes. gdbarch_addr_bits_remove takes out any such bits so
479 we get a "real" address such as one would find in a symbol table.
480 This is used only for addresses of instructions, and even then I'm
481 not sure it's used in all contexts. It exists to deal with there
482 being a few stray bits in the PC which would mislead us, not as some
483 sort of generic thing to handle alignment or segmentation (it's
484 possible it should be in TARGET_READ_PC instead). */
486 typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype
) (CORE_ADDR addr
);
487 extern CORE_ADDR
gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
488 extern void set_gdbarch_addr_bits_remove (struct gdbarch
*gdbarch
, gdbarch_addr_bits_remove_ftype
*addr_bits_remove
);
490 /* It is not at all clear why gdbarch_smash_text_address is not folded into
491 gdbarch_addr_bits_remove. */
493 typedef CORE_ADDR (gdbarch_smash_text_address_ftype
) (CORE_ADDR addr
);
494 extern CORE_ADDR
gdbarch_smash_text_address (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
495 extern void set_gdbarch_smash_text_address (struct gdbarch
*gdbarch
, gdbarch_smash_text_address_ftype
*smash_text_address
);
497 /* FIXME/cagney/2001-01-18: This should be split in two. A target method that
498 indicates if the target needs software single step. An ISA method to
501 FIXME/cagney/2001-01-18: This should be replaced with something that inserts
502 breakpoints using the breakpoint system instead of blatting memory directly
505 FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
506 target can single step. If not, then implement single step using breakpoints.
508 A return value of 1 means that the software_single_step breakpoints
509 were inserted; 0 means they were not. */
511 extern int gdbarch_software_single_step_p (struct gdbarch
*gdbarch
);
513 typedef int (gdbarch_software_single_step_ftype
) (struct frame_info
*frame
);
514 extern int gdbarch_software_single_step (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
515 extern void set_gdbarch_software_single_step (struct gdbarch
*gdbarch
, gdbarch_software_single_step_ftype
*software_single_step
);
517 /* Return non-zero if the processor is executing a delay slot and a
518 further single-step is needed before the instruction finishes. */
520 extern int gdbarch_single_step_through_delay_p (struct gdbarch
*gdbarch
);
522 typedef int (gdbarch_single_step_through_delay_ftype
) (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
523 extern int gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, struct frame_info
*frame
);
524 extern void set_gdbarch_single_step_through_delay (struct gdbarch
*gdbarch
, gdbarch_single_step_through_delay_ftype
*single_step_through_delay
);
526 /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
527 disassembler. Perhaps objdump can handle it? */
529 typedef int (gdbarch_print_insn_ftype
) (bfd_vma vma
, struct disassemble_info
*info
);
530 extern int gdbarch_print_insn (struct gdbarch
*gdbarch
, bfd_vma vma
, struct disassemble_info
*info
);
531 extern void set_gdbarch_print_insn (struct gdbarch
*gdbarch
, gdbarch_print_insn_ftype
*print_insn
);
533 typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype
) (struct frame_info
*frame
, CORE_ADDR pc
);
534 extern CORE_ADDR
gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, struct frame_info
*frame
, CORE_ADDR pc
);
535 extern void set_gdbarch_skip_trampoline_code (struct gdbarch
*gdbarch
, gdbarch_skip_trampoline_code_ftype
*skip_trampoline_code
);
537 /* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
538 evaluates non-zero, this is the address where the debugger will place
539 a step-resume breakpoint to get us past the dynamic linker. */
541 typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
542 extern CORE_ADDR
gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, CORE_ADDR pc
);
543 extern void set_gdbarch_skip_solib_resolver (struct gdbarch
*gdbarch
, gdbarch_skip_solib_resolver_ftype
*skip_solib_resolver
);
545 /* Some systems also have trampoline code for returning from shared libs. */
547 typedef int (gdbarch_in_solib_return_trampoline_ftype
) (CORE_ADDR pc
, char *name
);
548 extern int gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, CORE_ADDR pc
, char *name
);
549 extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch
*gdbarch
, gdbarch_in_solib_return_trampoline_ftype
*in_solib_return_trampoline
);
551 /* A target might have problems with watchpoints as soon as the stack
552 frame of the current function has been destroyed. This mostly happens
553 as the first action in a funtion's epilogue. in_function_epilogue_p()
554 is defined to return a non-zero value if either the given addr is one
555 instruction after the stack destroying instruction up to the trailing
556 return instruction or if we can figure out that the stack frame has
557 already been invalidated regardless of the value of addr. Targets
558 which don't suffer from that problem could just let this functionality
561 typedef int (gdbarch_in_function_epilogue_p_ftype
) (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
562 extern int gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, CORE_ADDR addr
);
563 extern void set_gdbarch_in_function_epilogue_p (struct gdbarch
*gdbarch
, gdbarch_in_function_epilogue_p_ftype
*in_function_epilogue_p
);
565 /* Given a vector of command-line arguments, return a newly allocated
566 string which, when passed to the create_inferior function, will be
567 parsed (on Unix systems, by the shell) to yield the same vector.
568 This function should call error() if the argument vector is not
569 representable for this target or if this target does not support
570 command-line arguments.
571 ARGC is the number of elements in the vector.
572 ARGV is an array of strings, one per argument. */
574 typedef char * (gdbarch_construct_inferior_arguments_ftype
) (struct gdbarch
*gdbarch
, int argc
, char **argv
);
575 extern char * gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, int argc
, char **argv
);
576 extern void set_gdbarch_construct_inferior_arguments (struct gdbarch
*gdbarch
, gdbarch_construct_inferior_arguments_ftype
*construct_inferior_arguments
);
578 typedef void (gdbarch_elf_make_msymbol_special_ftype
) (asymbol
*sym
, struct minimal_symbol
*msym
);
579 extern void gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, asymbol
*sym
, struct minimal_symbol
*msym
);
580 extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_elf_make_msymbol_special_ftype
*elf_make_msymbol_special
);
582 typedef void (gdbarch_coff_make_msymbol_special_ftype
) (int val
, struct minimal_symbol
*msym
);
583 extern void gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, int val
, struct minimal_symbol
*msym
);
584 extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch
*gdbarch
, gdbarch_coff_make_msymbol_special_ftype
*coff_make_msymbol_special
);
586 extern const char * gdbarch_name_of_malloc (struct gdbarch
*gdbarch
);
587 extern void set_gdbarch_name_of_malloc (struct gdbarch
*gdbarch
, const char * name_of_malloc
);
589 extern int gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
);
590 extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch
*gdbarch
, int cannot_step_breakpoint
);
592 extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
);
593 extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch
*gdbarch
, int have_nonsteppable_watchpoint
);
595 extern int gdbarch_address_class_type_flags_p (struct gdbarch
*gdbarch
);
597 typedef int (gdbarch_address_class_type_flags_ftype
) (int byte_size
, int dwarf2_addr_class
);
598 extern int gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, int byte_size
, int dwarf2_addr_class
);
599 extern void set_gdbarch_address_class_type_flags (struct gdbarch
*gdbarch
, gdbarch_address_class_type_flags_ftype
*address_class_type_flags
);
601 extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch
*gdbarch
);
603 typedef const char * (gdbarch_address_class_type_flags_to_name_ftype
) (struct gdbarch
*gdbarch
, int type_flags
);
604 extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch
*gdbarch
, int type_flags
);
605 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
);
607 extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch
*gdbarch
);
609 typedef int (gdbarch_address_class_name_to_type_flags_ftype
) (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
610 extern int gdbarch_address_class_name_to_type_flags (struct gdbarch
*gdbarch
, const char *name
, int *type_flags_ptr
);
611 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
);
613 /* Is a register in a group */
615 typedef int (gdbarch_register_reggroup_p_ftype
) (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
616 extern int gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
, struct reggroup
*reggroup
);
617 extern void set_gdbarch_register_reggroup_p (struct gdbarch
*gdbarch
, gdbarch_register_reggroup_p_ftype
*register_reggroup_p
);
619 /* Fetch the pointer to the ith function argument. */
621 extern int gdbarch_fetch_pointer_argument_p (struct gdbarch
*gdbarch
);
623 typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype
) (struct frame_info
*frame
, int argi
, struct type
*type
);
624 extern CORE_ADDR
gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, struct frame_info
*frame
, int argi
, struct type
*type
);
625 extern void set_gdbarch_fetch_pointer_argument (struct gdbarch
*gdbarch
, gdbarch_fetch_pointer_argument_ftype
*fetch_pointer_argument
);
627 /* Return the appropriate register set for a core file section with
628 name SECT_NAME and size SECT_SIZE. */
630 extern int gdbarch_regset_from_core_section_p (struct gdbarch
*gdbarch
);
632 typedef const struct regset
* (gdbarch_regset_from_core_section_ftype
) (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
633 extern const struct regset
* gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, const char *sect_name
, size_t sect_size
);
634 extern void set_gdbarch_regset_from_core_section (struct gdbarch
*gdbarch
, gdbarch_regset_from_core_section_ftype
*regset_from_core_section
);
636 /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
637 core file into buffer READBUF with length LEN. */
639 extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch
*gdbarch
);
641 typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype
) (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
642 extern LONGEST
gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdb_byte
*readbuf
, ULONGEST offset
, LONGEST len
);
643 extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch
*gdbarch
, gdbarch_core_xfer_shared_libraries_ftype
*core_xfer_shared_libraries
);
645 /* If the elements of C++ vtables are in-place function descriptors rather
646 than normal function pointers (which may point to code or a descriptor),
649 extern int gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
);
650 extern void set_gdbarch_vtable_function_descriptors (struct gdbarch
*gdbarch
, int vtable_function_descriptors
);
652 /* Set if the least significant bit of the delta is used instead of the least
653 significant bit of the pfn for pointers to virtual member functions. */
655 extern int gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
);
656 extern void set_gdbarch_vbit_in_delta (struct gdbarch
*gdbarch
, int vbit_in_delta
);
658 /* Advance PC to next instruction in order to skip a permanent breakpoint. */
660 extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch
*gdbarch
);
662 typedef void (gdbarch_skip_permanent_breakpoint_ftype
) (struct regcache
*regcache
);
663 extern void gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, struct regcache
*regcache
);
664 extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch
*gdbarch
, gdbarch_skip_permanent_breakpoint_ftype
*skip_permanent_breakpoint
);
666 /* Refresh overlay mapped state for section OSECT. */
668 extern int gdbarch_overlay_update_p (struct gdbarch
*gdbarch
);
670 typedef void (gdbarch_overlay_update_ftype
) (struct obj_section
*osect
);
671 extern void gdbarch_overlay_update (struct gdbarch
*gdbarch
, struct obj_section
*osect
);
672 extern void set_gdbarch_overlay_update (struct gdbarch
*gdbarch
, gdbarch_overlay_update_ftype
*overlay_update
);
674 extern int gdbarch_core_read_description_p (struct gdbarch
*gdbarch
);
676 typedef const struct target_desc
* (gdbarch_core_read_description_ftype
) (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
677 extern const struct target_desc
* gdbarch_core_read_description (struct gdbarch
*gdbarch
, struct target_ops
*target
, bfd
*abfd
);
678 extern void set_gdbarch_core_read_description (struct gdbarch
*gdbarch
, gdbarch_core_read_description_ftype
*core_read_description
);
680 /* Handle special encoding of static variables in stabs debug info. */
682 extern int gdbarch_static_transform_name_p (struct gdbarch
*gdbarch
);
684 typedef char * (gdbarch_static_transform_name_ftype
) (char *name
);
685 extern char * gdbarch_static_transform_name (struct gdbarch
*gdbarch
, char *name
);
686 extern void set_gdbarch_static_transform_name (struct gdbarch
*gdbarch
, gdbarch_static_transform_name_ftype
*static_transform_name
);
688 /* Set if the address in N_SO or N_FUN stabs may be zero. */
690 extern int gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
);
691 extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch
*gdbarch
, int sofun_address_maybe_missing
);
693 extern struct gdbarch_tdep
*gdbarch_tdep (struct gdbarch
*gdbarch
);
696 /* Mechanism for co-ordinating the selection of a specific
699 GDB targets (*-tdep.c) can register an interest in a specific
700 architecture. Other GDB components can register a need to maintain
701 per-architecture data.
703 The mechanisms below ensures that there is only a loose connection
704 between the set-architecture command and the various GDB
705 components. Each component can independently register their need
706 to maintain architecture specific data with gdbarch.
710 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
713 The more traditional mega-struct containing architecture specific
714 data for all the various GDB components was also considered. Since
715 GDB is built from a variable number of (fairly independent)
716 components it was determined that the global aproach was not
720 /* Register a new architectural family with GDB.
722 Register support for the specified ARCHITECTURE with GDB. When
723 gdbarch determines that the specified architecture has been
724 selected, the corresponding INIT function is called.
728 The INIT function takes two parameters: INFO which contains the
729 information available to gdbarch about the (possibly new)
730 architecture; ARCHES which is a list of the previously created
731 ``struct gdbarch'' for this architecture.
733 The INFO parameter is, as far as possible, be pre-initialized with
734 information obtained from INFO.ABFD or the global defaults.
736 The ARCHES parameter is a linked list (sorted most recently used)
737 of all the previously created architures for this architecture
738 family. The (possibly NULL) ARCHES->gdbarch can used to access
739 values from the previously selected architecture for this
740 architecture family. The global ``current_gdbarch'' shall not be
743 The INIT function shall return any of: NULL - indicating that it
744 doesn't recognize the selected architecture; an existing ``struct
745 gdbarch'' from the ARCHES list - indicating that the new
746 architecture is just a synonym for an earlier architecture (see
747 gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
748 - that describes the selected architecture (see gdbarch_alloc()).
750 The DUMP_TDEP function shall print out all target specific values.
751 Care should be taken to ensure that the function works in both the
752 multi-arch and non- multi-arch cases. */
756 struct gdbarch
*gdbarch
;
757 struct gdbarch_list
*next
;
762 /* Use default: NULL (ZERO). */
763 const struct bfd_arch_info
*bfd_arch_info
;
765 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
768 /* Use default: NULL (ZERO). */
771 /* Use default: NULL (ZERO). */
772 struct gdbarch_tdep_info
*tdep_info
;
774 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
775 enum gdb_osabi osabi
;
777 /* Use default: NULL (ZERO). */
778 const struct target_desc
*target_desc
;
781 typedef struct gdbarch
*(gdbarch_init_ftype
) (struct gdbarch_info info
, struct gdbarch_list
*arches
);
782 typedef void (gdbarch_dump_tdep_ftype
) (struct gdbarch
*gdbarch
, struct ui_file
*file
);
784 /* DEPRECATED - use gdbarch_register() */
785 extern void register_gdbarch_init (enum bfd_architecture architecture
, gdbarch_init_ftype
*);
787 extern void gdbarch_register (enum bfd_architecture architecture
,
788 gdbarch_init_ftype
*,
789 gdbarch_dump_tdep_ftype
*);
792 /* Return a freshly allocated, NULL terminated, array of the valid
793 architecture names. Since architectures are registered during the
794 _initialize phase this function only returns useful information
795 once initialization has been completed. */
797 extern const char **gdbarch_printable_names (void);
800 /* Helper function. Search the list of ARCHES for a GDBARCH that
801 matches the information provided by INFO. */
803 extern struct gdbarch_list
*gdbarch_list_lookup_by_info (struct gdbarch_list
*arches
, const struct gdbarch_info
*info
);
806 /* Helper function. Create a preliminary ``struct gdbarch''. Perform
807 basic initialization using values obtained from the INFO and TDEP
808 parameters. set_gdbarch_*() functions are called to complete the
809 initialization of the object. */
811 extern struct gdbarch
*gdbarch_alloc (const struct gdbarch_info
*info
, struct gdbarch_tdep
*tdep
);
814 /* Helper function. Free a partially-constructed ``struct gdbarch''.
815 It is assumed that the caller freeds the ``struct
818 extern void gdbarch_free (struct gdbarch
*);
821 /* Helper function. Allocate memory from the ``struct gdbarch''
822 obstack. The memory is freed when the corresponding architecture
825 extern void *gdbarch_obstack_zalloc (struct gdbarch
*gdbarch
, long size
);
826 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
827 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
830 /* Helper function. Force an update of the current architecture.
832 The actual architecture selected is determined by INFO, ``(gdb) set
833 architecture'' et.al., the existing architecture and BFD's default
834 architecture. INFO should be initialized to zero and then selected
835 fields should be updated.
837 Returns non-zero if the update succeeds */
839 extern int gdbarch_update_p (struct gdbarch_info info
);
842 /* Helper function. Find an architecture matching info.
844 INFO should be initialized using gdbarch_info_init, relevant fields
845 set, and then finished using gdbarch_info_fill.
847 Returns the corresponding architecture, or NULL if no matching
848 architecture was found. "current_gdbarch" is not updated. */
850 extern struct gdbarch
*gdbarch_find_by_info (struct gdbarch_info info
);
853 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
855 FIXME: kettenis/20031124: Of the functions that follow, only
856 gdbarch_from_bfd is supposed to survive. The others will
857 dissappear since in the future GDB will (hopefully) be truly
858 multi-arch. However, for now we're still stuck with the concept of
859 a single active architecture. */
861 extern void deprecated_current_gdbarch_select_hack (struct gdbarch
*gdbarch
);
864 /* Register per-architecture data-pointer.
866 Reserve space for a per-architecture data-pointer. An identifier
867 for the reserved data-pointer is returned. That identifer should
868 be saved in a local static variable.
870 Memory for the per-architecture data shall be allocated using
871 gdbarch_obstack_zalloc. That memory will be deleted when the
872 corresponding architecture object is deleted.
874 When a previously created architecture is re-selected, the
875 per-architecture data-pointer for that previous architecture is
876 restored. INIT() is not re-called.
878 Multiple registrarants for any architecture are allowed (and
879 strongly encouraged). */
883 typedef void *(gdbarch_data_pre_init_ftype
) (struct obstack
*obstack
);
884 extern struct gdbarch_data
*gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype
*init
);
885 typedef void *(gdbarch_data_post_init_ftype
) (struct gdbarch
*gdbarch
);
886 extern struct gdbarch_data
*gdbarch_data_register_post_init (gdbarch_data_post_init_ftype
*init
);
887 extern void deprecated_set_gdbarch_data (struct gdbarch
*gdbarch
,
888 struct gdbarch_data
*data
,
891 extern void *gdbarch_data (struct gdbarch
*gdbarch
, struct gdbarch_data
*);
894 /* Set the dynamic target-system-dependent parameters (architecture,
895 byte-order, ...) using information found in the BFD */
897 extern void set_gdbarch_from_file (bfd
*);
900 /* Initialize the current architecture to the "first" one we find on
903 extern void initialize_current_architecture (void);
905 /* gdbarch trace variable */
906 extern int gdbarch_debug
;
908 extern void gdbarch_dump (struct gdbarch
*gdbarch
, struct ui_file
*file
);