Commit | Line | Data |
---|---|---|
66b43ecb | 1 | #!/bin/sh -u |
104c1213 JM |
2 | |
3 | # Architecture commands for GDB, the GNU debugger. | |
79d45cd4 | 4 | # |
0b302171 | 5 | # Copyright (C) 1998-2012 Free Software Foundation, Inc. |
104c1213 JM |
6 | # |
7 | # This file is part of GDB. | |
8 | # | |
9 | # This program is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
50efebf8 | 11 | # the Free Software Foundation; either version 3 of the License, or |
104c1213 JM |
12 | # (at your option) any later version. |
13 | # | |
14 | # This program is distributed in the hope that it will be useful, | |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | # GNU General Public License for more details. | |
18 | # | |
19 | # You should have received a copy of the GNU General Public License | |
50efebf8 | 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
104c1213 | 21 | |
6e2c7fa1 | 22 | # Make certain that the script is not running in an internationalized |
d8864532 | 23 | # environment. |
0e05dfcb DJ |
24 | LANG=C ; export LANG |
25 | LC_ALL=C ; export LC_ALL | |
d8864532 AC |
26 | |
27 | ||
59233f88 AC |
28 | compare_new () |
29 | { | |
30 | file=$1 | |
66b43ecb | 31 | if test ! -r ${file} |
59233f88 AC |
32 | then |
33 | echo "${file} missing? cp new-${file} ${file}" 1>&2 | |
50248794 | 34 | elif diff -u ${file} new-${file} |
59233f88 AC |
35 | then |
36 | echo "${file} unchanged" 1>&2 | |
37 | else | |
38 | echo "${file} has changed? cp new-${file} ${file}" 1>&2 | |
39 | fi | |
40 | } | |
41 | ||
42 | ||
43 | # Format of the input table | |
97030eea | 44 | read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol" |
c0e8c252 AC |
45 | |
46 | do_read () | |
47 | { | |
34620563 AC |
48 | comment="" |
49 | class="" | |
50 | while read line | |
51 | do | |
52 | if test "${line}" = "" | |
53 | then | |
54 | continue | |
55 | elif test "${line}" = "#" -a "${comment}" = "" | |
f0d4cc9e | 56 | then |
34620563 AC |
57 | continue |
58 | elif expr "${line}" : "#" > /dev/null | |
f0d4cc9e | 59 | then |
34620563 AC |
60 | comment="${comment} |
61 | ${line}" | |
f0d4cc9e | 62 | else |
3d9a5942 AC |
63 | |
64 | # The semantics of IFS varies between different SH's. Some | |
65 | # treat ``::' as three fields while some treat it as just too. | |
66 | # Work around this by eliminating ``::'' .... | |
67 | line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`" | |
68 | ||
69 | OFS="${IFS}" ; IFS="[:]" | |
34620563 AC |
70 | eval read ${read} <<EOF |
71 | ${line} | |
72 | EOF | |
73 | IFS="${OFS}" | |
74 | ||
283354d8 AC |
75 | if test -n "${garbage_at_eol}" |
76 | then | |
77 | echo "Garbage at end-of-line in ${line}" 1>&2 | |
78 | kill $$ | |
79 | exit 1 | |
80 | fi | |
81 | ||
3d9a5942 AC |
82 | # .... and then going back through each field and strip out those |
83 | # that ended up with just that space character. | |
84 | for r in ${read} | |
85 | do | |
86 | if eval test \"\${${r}}\" = \"\ \" | |
87 | then | |
88 | eval ${r}="" | |
89 | fi | |
90 | done | |
91 | ||
a72293e2 AC |
92 | case "${class}" in |
93 | m ) staticdefault="${predefault}" ;; | |
94 | M ) staticdefault="0" ;; | |
95 | * ) test "${staticdefault}" || staticdefault=0 ;; | |
96 | esac | |
06b25f14 | 97 | |
ae45cd16 AC |
98 | case "${class}" in |
99 | F | V | M ) | |
100 | case "${invalid_p}" in | |
34620563 | 101 | "" ) |
f7968451 | 102 | if test -n "${predefault}" |
34620563 AC |
103 | then |
104 | #invalid_p="gdbarch->${function} == ${predefault}" | |
ae45cd16 | 105 | predicate="gdbarch->${function} != ${predefault}" |
f7968451 AC |
106 | elif class_is_variable_p |
107 | then | |
108 | predicate="gdbarch->${function} != 0" | |
109 | elif class_is_function_p | |
110 | then | |
111 | predicate="gdbarch->${function} != NULL" | |
34620563 AC |
112 | fi |
113 | ;; | |
ae45cd16 | 114 | * ) |
1e9f55d0 | 115 | echo "Predicate function ${function} with invalid_p." 1>&2 |
ae45cd16 AC |
116 | kill $$ |
117 | exit 1 | |
118 | ;; | |
119 | esac | |
34620563 AC |
120 | esac |
121 | ||
122 | # PREDEFAULT is a valid fallback definition of MEMBER when | |
123 | # multi-arch is not enabled. This ensures that the | |
124 | # default value, when multi-arch is the same as the | |
125 | # default value when not multi-arch. POSTDEFAULT is | |
126 | # always a valid definition of MEMBER as this again | |
127 | # ensures consistency. | |
128 | ||
72e74a21 | 129 | if [ -n "${postdefault}" ] |
34620563 AC |
130 | then |
131 | fallbackdefault="${postdefault}" | |
72e74a21 | 132 | elif [ -n "${predefault}" ] |
34620563 AC |
133 | then |
134 | fallbackdefault="${predefault}" | |
135 | else | |
73d3c16e | 136 | fallbackdefault="0" |
34620563 AC |
137 | fi |
138 | ||
139 | #NOT YET: See gdbarch.log for basic verification of | |
140 | # database | |
141 | ||
142 | break | |
f0d4cc9e | 143 | fi |
34620563 | 144 | done |
72e74a21 | 145 | if [ -n "${class}" ] |
34620563 AC |
146 | then |
147 | true | |
c0e8c252 AC |
148 | else |
149 | false | |
150 | fi | |
151 | } | |
152 | ||
104c1213 | 153 | |
f0d4cc9e AC |
154 | fallback_default_p () |
155 | { | |
72e74a21 JB |
156 | [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \ |
157 | || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ] | |
f0d4cc9e AC |
158 | } |
159 | ||
160 | class_is_variable_p () | |
161 | { | |
4a5c6a1d AC |
162 | case "${class}" in |
163 | *v* | *V* ) true ;; | |
164 | * ) false ;; | |
165 | esac | |
f0d4cc9e AC |
166 | } |
167 | ||
168 | class_is_function_p () | |
169 | { | |
4a5c6a1d AC |
170 | case "${class}" in |
171 | *f* | *F* | *m* | *M* ) true ;; | |
172 | * ) false ;; | |
173 | esac | |
174 | } | |
175 | ||
176 | class_is_multiarch_p () | |
177 | { | |
178 | case "${class}" in | |
179 | *m* | *M* ) true ;; | |
180 | * ) false ;; | |
181 | esac | |
f0d4cc9e AC |
182 | } |
183 | ||
184 | class_is_predicate_p () | |
185 | { | |
4a5c6a1d AC |
186 | case "${class}" in |
187 | *F* | *V* | *M* ) true ;; | |
188 | * ) false ;; | |
189 | esac | |
f0d4cc9e AC |
190 | } |
191 | ||
192 | class_is_info_p () | |
193 | { | |
4a5c6a1d AC |
194 | case "${class}" in |
195 | *i* ) true ;; | |
196 | * ) false ;; | |
197 | esac | |
f0d4cc9e AC |
198 | } |
199 | ||
200 | ||
cff3e48b JM |
201 | # dump out/verify the doco |
202 | for field in ${read} | |
203 | do | |
204 | case ${field} in | |
205 | ||
206 | class ) : ;; | |
c4093a6a | 207 | |
c0e8c252 AC |
208 | # # -> line disable |
209 | # f -> function | |
210 | # hiding a function | |
2ada493a AC |
211 | # F -> function + predicate |
212 | # hiding a function + predicate to test function validity | |
c0e8c252 AC |
213 | # v -> variable |
214 | # hiding a variable | |
2ada493a AC |
215 | # V -> variable + predicate |
216 | # hiding a variable + predicate to test variables validity | |
c0e8c252 AC |
217 | # i -> set from info |
218 | # hiding something from the ``struct info'' object | |
4a5c6a1d AC |
219 | # m -> multi-arch function |
220 | # hiding a multi-arch function (parameterised with the architecture) | |
221 | # M -> multi-arch function + predicate | |
222 | # hiding a multi-arch function + predicate to test function validity | |
cff3e48b | 223 | |
cff3e48b JM |
224 | returntype ) : ;; |
225 | ||
c0e8c252 | 226 | # For functions, the return type; for variables, the data type |
cff3e48b JM |
227 | |
228 | function ) : ;; | |
229 | ||
c0e8c252 AC |
230 | # For functions, the member function name; for variables, the |
231 | # variable name. Member function names are always prefixed with | |
232 | # ``gdbarch_'' for name-space purity. | |
cff3e48b JM |
233 | |
234 | formal ) : ;; | |
235 | ||
c0e8c252 AC |
236 | # The formal argument list. It is assumed that the formal |
237 | # argument list includes the actual name of each list element. | |
238 | # A function with no arguments shall have ``void'' as the | |
239 | # formal argument list. | |
cff3e48b JM |
240 | |
241 | actual ) : ;; | |
242 | ||
c0e8c252 AC |
243 | # The list of actual arguments. The arguments specified shall |
244 | # match the FORMAL list given above. Functions with out | |
245 | # arguments leave this blank. | |
cff3e48b | 246 | |
0b8f9e4d | 247 | staticdefault ) : ;; |
c0e8c252 AC |
248 | |
249 | # To help with the GDB startup a static gdbarch object is | |
0b8f9e4d AC |
250 | # created. STATICDEFAULT is the value to insert into that |
251 | # static gdbarch object. Since this a static object only | |
252 | # simple expressions can be used. | |
cff3e48b | 253 | |
0b8f9e4d | 254 | # If STATICDEFAULT is empty, zero is used. |
c0e8c252 | 255 | |
0b8f9e4d | 256 | predefault ) : ;; |
cff3e48b | 257 | |
10312cc4 AC |
258 | # An initial value to assign to MEMBER of the freshly |
259 | # malloc()ed gdbarch object. After initialization, the | |
260 | # freshly malloc()ed object is passed to the target | |
261 | # architecture code for further updates. | |
cff3e48b | 262 | |
0b8f9e4d AC |
263 | # If PREDEFAULT is empty, zero is used. |
264 | ||
10312cc4 AC |
265 | # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero |
266 | # INVALID_P are specified, PREDEFAULT will be used as the | |
267 | # default for the non- multi-arch target. | |
268 | ||
269 | # A zero PREDEFAULT function will force the fallback to call | |
270 | # internal_error(). | |
f0d4cc9e AC |
271 | |
272 | # Variable declarations can refer to ``gdbarch'' which will | |
273 | # contain the current architecture. Care should be taken. | |
0b8f9e4d AC |
274 | |
275 | postdefault ) : ;; | |
276 | ||
277 | # A value to assign to MEMBER of the new gdbarch object should | |
10312cc4 AC |
278 | # the target architecture code fail to change the PREDEFAULT |
279 | # value. | |
0b8f9e4d AC |
280 | |
281 | # If POSTDEFAULT is empty, no post update is performed. | |
282 | ||
283 | # If both INVALID_P and POSTDEFAULT are non-empty then | |
284 | # INVALID_P will be used to determine if MEMBER should be | |
285 | # changed to POSTDEFAULT. | |
286 | ||
10312cc4 AC |
287 | # If a non-empty POSTDEFAULT and a zero INVALID_P are |
288 | # specified, POSTDEFAULT will be used as the default for the | |
289 | # non- multi-arch target (regardless of the value of | |
290 | # PREDEFAULT). | |
291 | ||
f0d4cc9e AC |
292 | # You cannot specify both a zero INVALID_P and a POSTDEFAULT. |
293 | ||
be7811ad | 294 | # Variable declarations can refer to ``gdbarch'' which |
db446970 AC |
295 | # will contain the current architecture. Care should be |
296 | # taken. | |
cff3e48b | 297 | |
c4093a6a | 298 | invalid_p ) : ;; |
cff3e48b | 299 | |
0b8f9e4d | 300 | # A predicate equation that validates MEMBER. Non-zero is |
c0e8c252 | 301 | # returned if the code creating the new architecture failed to |
0b8f9e4d AC |
302 | # initialize MEMBER or the initialized the member is invalid. |
303 | # If POSTDEFAULT is non-empty then MEMBER will be updated to | |
304 | # that value. If POSTDEFAULT is empty then internal_error() | |
305 | # is called. | |
306 | ||
307 | # If INVALID_P is empty, a check that MEMBER is no longer | |
308 | # equal to PREDEFAULT is used. | |
309 | ||
f0d4cc9e AC |
310 | # The expression ``0'' disables the INVALID_P check making |
311 | # PREDEFAULT a legitimate value. | |
0b8f9e4d AC |
312 | |
313 | # See also PREDEFAULT and POSTDEFAULT. | |
cff3e48b | 314 | |
cff3e48b JM |
315 | print ) : ;; |
316 | ||
2f9b146e AC |
317 | # An optional expression that convers MEMBER to a value |
318 | # suitable for formatting using %s. | |
c0e8c252 | 319 | |
0b1553bc UW |
320 | # If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR) |
321 | # or plongest (anything else) is used. | |
cff3e48b | 322 | |
283354d8 | 323 | garbage_at_eol ) : ;; |
0b8f9e4d | 324 | |
283354d8 | 325 | # Catches stray fields. |
cff3e48b | 326 | |
50248794 AC |
327 | *) |
328 | echo "Bad field ${field}" | |
329 | exit 1;; | |
cff3e48b JM |
330 | esac |
331 | done | |
332 | ||
cff3e48b | 333 | |
104c1213 JM |
334 | function_list () |
335 | { | |
cff3e48b | 336 | # See below (DOCO) for description of each field |
34620563 | 337 | cat <<EOF |
be7811ad | 338 | i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name |
104c1213 | 339 | # |
97030eea | 340 | i:int:byte_order:::BFD_ENDIAN_BIG |
9d4fde75 | 341 | i:int:byte_order_for_code:::BFD_ENDIAN_BIG |
4be87837 | 342 | # |
97030eea | 343 | i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN |
424163ea | 344 | # |
30737ed9 | 345 | i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc) |
32c9a795 MD |
346 | |
347 | # The bit byte-order has to do just with numbering of bits in debugging symbols | |
348 | # and such. Conceptually, it's quite separate from byte/word byte order. | |
349 | v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0 | |
350 | ||
66b43ecb AC |
351 | # Number of bits in a char or unsigned char for the target machine. |
352 | # Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 353 | # v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
354 | # |
355 | # Number of bits in a short or unsigned short for the target machine. | |
97030eea | 356 | v:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0 |
66b43ecb | 357 | # Number of bits in an int or unsigned int for the target machine. |
97030eea | 358 | v:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0 |
66b43ecb | 359 | # Number of bits in a long or unsigned long for the target machine. |
97030eea | 360 | v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0 |
66b43ecb AC |
361 | # Number of bits in a long long or unsigned long long for the target |
362 | # machine. | |
be7811ad | 363 | v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 |
205c306f DM |
364 | # Alignment of a long long or unsigned long long for the target |
365 | # machine. | |
366 | v:int:long_long_align_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 | |
456fcf94 | 367 | |
f9e9243a UW |
368 | # The ABI default bit-size and format for "half", "float", "double", and |
369 | # "long double". These bit/format pairs should eventually be combined | |
370 | # into a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
371 | # Each format describes both the big and little endian layouts (if |
372 | # useful). | |
456fcf94 | 373 | |
f9e9243a UW |
374 | v:int:half_bit:::16:2*TARGET_CHAR_BIT::0 |
375 | v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format) | |
97030eea | 376 | v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0 |
be7811ad | 377 | v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format) |
97030eea | 378 | v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0 |
be7811ad | 379 | v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format) |
97030eea | 380 | v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0 |
be7811ad | 381 | v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format) |
456fcf94 | 382 | |
52204a0b DT |
383 | # For most targets, a pointer on the target and its representation as an |
384 | # address in GDB have the same size and "look the same". For such a | |
17a912b6 | 385 | # target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
386 | # / addr_bit will be set from it. |
387 | # | |
17a912b6 | 388 | # If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
8da614df CV |
389 | # also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
390 | # gdbarch_address_to_pointer as well. | |
52204a0b DT |
391 | # |
392 | # ptr_bit is the size of a pointer on the target | |
be7811ad | 393 | v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0 |
52204a0b | 394 | # addr_bit is the size of a target address as represented in gdb |
be7811ad | 395 | v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch): |
104c1213 | 396 | # |
8da614df CV |
397 | # dwarf2_addr_size is the target address size as used in the Dwarf debug |
398 | # info. For .debug_frame FDEs, this is supposed to be the target address | |
399 | # size from the associated CU header, and which is equivalent to the | |
400 | # DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. | |
401 | # Unfortunately there is no good way to determine this value. Therefore | |
402 | # dwarf2_addr_size simply defaults to the target pointer size. | |
403 | # | |
404 | # dwarf2_addr_size is not used for .eh_frame FDEs, which are generally | |
405 | # defined using the target's pointer size so far. | |
406 | # | |
407 | # Note that dwarf2_addr_size only needs to be redefined by a target if the | |
408 | # GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, | |
409 | # and if Dwarf versions < 4 need to be supported. | |
410 | v:int:dwarf2_addr_size:::sizeof (void*):0:gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT: | |
411 | # | |
4e409299 | 412 | # One if \`char' acts like \`signed char', zero if \`unsigned char'. |
97030eea | 413 | v:int:char_signed:::1:-1:1 |
4e409299 | 414 | # |
97030eea UW |
415 | F:CORE_ADDR:read_pc:struct regcache *regcache:regcache |
416 | F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val | |
39d4ef09 AC |
417 | # Function for getting target's idea of a frame pointer. FIXME: GDB's |
418 | # whole scheme for dealing with "frames" and "frame pointers" needs a | |
419 | # serious shakedown. | |
a54fba4c | 420 | m:void:virtual_frame_pointer:CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset:pc, frame_regnum, frame_offset:0:legacy_virtual_frame_pointer::0 |
66b43ecb | 421 | # |
05d1431c | 422 | M:enum register_status:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf |
3543a589 TT |
423 | # Read a register into a new struct value. If the register is wholly |
424 | # or partly unavailable, this should call mark_value_bytes_unavailable | |
425 | # as appropriate. If this is defined, then pseudo_register_read will | |
426 | # never be called. | |
427 | M:struct value *:pseudo_register_read_value:struct regcache *regcache, int cookednum:regcache, cookednum | |
97030eea | 428 | M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf |
61a0eb5b | 429 | # |
97030eea | 430 | v:int:num_regs:::0:-1 |
0aba1244 EZ |
431 | # This macro gives the number of pseudo-registers that live in the |
432 | # register namespace but do not get fetched or stored on the target. | |
3d9a5942 AC |
433 | # These pseudo-registers may be aliases for other registers, |
434 | # combinations of other registers, or they may be computed by GDB. | |
97030eea | 435 | v:int:num_pseudo_regs:::0:0::0 |
c2169756 | 436 | |
175ff332 HZ |
437 | # Assemble agent expression bytecode to collect pseudo-register REG. |
438 | # Return -1 if something goes wrong, 0 otherwise. | |
439 | M:int:ax_pseudo_register_collect:struct agent_expr *ax, int reg:ax, reg | |
440 | ||
441 | # Assemble agent expression bytecode to push the value of pseudo-register | |
442 | # REG on the interpreter stack. | |
443 | # Return -1 if something goes wrong, 0 otherwise. | |
444 | M:int:ax_pseudo_register_push_stack:struct agent_expr *ax, int reg:ax, reg | |
445 | ||
c2169756 AC |
446 | # GDB's standard (or well known) register numbers. These can map onto |
447 | # a real register or a pseudo (computed) register or not be defined at | |
1200cd6e | 448 | # all (-1). |
3e8c568d | 449 | # gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. |
97030eea UW |
450 | v:int:sp_regnum:::-1:-1::0 |
451 | v:int:pc_regnum:::-1:-1::0 | |
452 | v:int:ps_regnum:::-1:-1::0 | |
453 | v:int:fp0_regnum:::0:-1::0 | |
88c72b7d | 454 | # Convert stab register number (from \`r\' declaration) to a gdb REGNUM. |
d3f73121 | 455 | m:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 456 | # Provide a default mapping from a ecoff register number to a gdb REGNUM. |
d3f73121 | 457 | m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 458 | # Convert from an sdb register number to an internal gdb register number. |
d3f73121 | 459 | m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0 |
ba2b1c56 | 460 | # Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
d3f73121 | 461 | m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0 |
d93859e2 | 462 | m:const char *:register_name:int regnr:regnr::0 |
9c04cab7 | 463 | |
7b9ee6a8 DJ |
464 | # Return the type of a register specified by the architecture. Only |
465 | # the register cache should call this function directly; others should | |
466 | # use "register_type". | |
97030eea | 467 | M:struct type *:register_type:int reg_nr:reg_nr |
9c04cab7 | 468 | |
f3be58bc | 469 | # See gdbint.texinfo, and PUSH_DUMMY_CALL. |
669fac23 DJ |
470 | M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame |
471 | # Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete | |
064f5156 | 472 | # deprecated_fp_regnum. |
97030eea | 473 | v:int:deprecated_fp_regnum:::-1:-1::0 |
f3be58bc | 474 | |
a86c5fc9 | 475 | # See gdbint.texinfo. See infcall.c. |
97030eea UW |
476 | M:CORE_ADDR:push_dummy_call: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:function, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr |
477 | v:int:call_dummy_location::::AT_ENTRY_POINT::0 | |
478 | M:CORE_ADDR:push_dummy_code: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:sp, funaddr, args, nargs, value_type, real_pc, bp_addr, regcache | |
57010b1c | 479 | |
97030eea UW |
480 | m:void:print_registers_info:struct ui_file *file, struct frame_info *frame, int regnum, int all:file, frame, regnum, all::default_print_registers_info::0 |
481 | M:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
482 | M:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
7c7651b2 AC |
483 | # MAP a GDB RAW register number onto a simulator register number. See |
484 | # also include/...-sim.h. | |
e7faf938 | 485 | m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0 |
64a3914f MD |
486 | m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0 |
487 | m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0 | |
9df628e0 | 488 | # setjmp/longjmp support. |
97030eea | 489 | F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc |
104c1213 | 490 | # |
97030eea | 491 | v:int:believe_pcc_promotion::::::: |
104c1213 | 492 | # |
0abe36f5 | 493 | m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0 |
8dccd430 | 494 | f:int:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep:frame, regnum, type, buf, optimizedp, unavailablep:0 |
97030eea | 495 | f:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0 |
9acbedc0 UW |
496 | # Construct a value representing the contents of register REGNUM in |
497 | # frame FRAME, interpreted as type TYPE. The routine needs to | |
498 | # allocate and return a struct value with all value attributes | |
499 | # (but not the value contents) filled in. | |
97030eea | 500 | f:struct value *:value_from_register:struct type *type, int regnum, struct frame_info *frame:type, regnum, frame::default_value_from_register::0 |
104c1213 | 501 | # |
9898f801 UW |
502 | m:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0 |
503 | m:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0 | |
97030eea | 504 | M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf |
92ad9cd9 | 505 | |
6a3a010b MR |
506 | # Return the return-value convention that will be used by FUNCTION |
507 | # to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
508 | # case the return convention is computed based only on VALTYPE. |
509 | # | |
510 | # If READBUF is not NULL, extract the return value and save it in this buffer. | |
511 | # | |
512 | # If WRITEBUF is not NULL, it contains a return value which will be | |
513 | # stored into the appropriate register. This can be used when we want | |
514 | # to force the value returned by a function (see the "return" command | |
515 | # for instance). | |
6a3a010b | 516 | M:enum return_value_convention:return_value:struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:function, valtype, regcache, readbuf, writebuf |
92ad9cd9 | 517 | |
18648a37 YQ |
518 | # Return true if the return value of function is stored in the first hidden |
519 | # parameter. In theory, this feature should be language-dependent, specified | |
520 | # by language and its ABI, such as C++. Unfortunately, compiler may | |
521 | # implement it to a target-dependent feature. So that we need such hook here | |
522 | # to be aware of this in GDB. | |
523 | m:int:return_in_first_hidden_param_p:struct type *type:type::default_return_in_first_hidden_param_p::0 | |
524 | ||
6093d2eb | 525 | m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0 |
4309257c | 526 | M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip |
97030eea | 527 | f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0 |
67d57894 | 528 | m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0: |
a1dcb23a DJ |
529 | # Return the adjusted address and kind to use for Z0/Z1 packets. |
530 | # KIND is usually the memory length of the breakpoint, but may have a | |
531 | # different target-specific meaning. | |
0e05dfcb | 532 | m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0 |
97030eea | 533 | M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr |
ae4b2284 MD |
534 | m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0 |
535 | m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0 | |
97030eea | 536 | v:CORE_ADDR:decr_pc_after_break:::0:::0 |
782263ab AC |
537 | |
538 | # A function can be addressed by either it's "pointer" (possibly a | |
539 | # descriptor address) or "entry point" (first executable instruction). | |
540 | # The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 541 | # latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
542 | # a simplified subset of that functionality - the function's address |
543 | # corresponds to the "function pointer" and the function's start | |
544 | # corresponds to the "function entry point" - and hence is redundant. | |
545 | ||
97030eea | 546 | v:CORE_ADDR:deprecated_function_start_offset:::0:::0 |
782263ab | 547 | |
123dc839 DJ |
548 | # Return the remote protocol register number associated with this |
549 | # register. Normally the identity mapping. | |
97030eea | 550 | m:int:remote_register_number:int regno:regno::default_remote_register_number::0 |
123dc839 | 551 | |
b2756930 | 552 | # Fetch the target specific address used to represent a load module. |
97030eea | 553 | F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile |
104c1213 | 554 | # |
97030eea UW |
555 | v:CORE_ADDR:frame_args_skip:::0:::0 |
556 | M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame | |
557 | M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame | |
42efa47a AC |
558 | # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
559 | # frame-base. Enable frame-base before frame-unwind. | |
97030eea | 560 | F:int:frame_num_args:struct frame_info *frame:frame |
104c1213 | 561 | # |
97030eea UW |
562 | M:CORE_ADDR:frame_align:CORE_ADDR address:address |
563 | m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0 | |
564 | v:int:frame_red_zone_size | |
f0d4cc9e | 565 | # |
97030eea | 566 | m:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_addr_identity::0 |
875e1767 AC |
567 | # On some machines there are bits in addresses which are not really |
568 | # part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 569 | # for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
570 | # we get a "real" address such as one would find in a symbol table. |
571 | # This is used only for addresses of instructions, and even then I'm | |
572 | # not sure it's used in all contexts. It exists to deal with there | |
573 | # being a few stray bits in the PC which would mislead us, not as some | |
574 | # sort of generic thing to handle alignment or segmentation (it's | |
575 | # possible it should be in TARGET_READ_PC instead). | |
24568a2c | 576 | m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 |
260edbc2 | 577 | # It is not at all clear why gdbarch_smash_text_address is not folded into |
bf6ae464 | 578 | # gdbarch_addr_bits_remove. |
24568a2c | 579 | m:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr::core_addr_identity::0 |
e6590a1b UW |
580 | |
581 | # FIXME/cagney/2001-01-18: This should be split in two. A target method that | |
582 | # indicates if the target needs software single step. An ISA method to | |
583 | # implement it. | |
584 | # | |
585 | # FIXME/cagney/2001-01-18: This should be replaced with something that inserts | |
586 | # breakpoints using the breakpoint system instead of blatting memory directly | |
587 | # (as with rs6000). | |
64c4637f | 588 | # |
e6590a1b UW |
589 | # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
590 | # target can single step. If not, then implement single step using breakpoints. | |
64c4637f | 591 | # |
e6590a1b UW |
592 | # A return value of 1 means that the software_single_step breakpoints |
593 | # were inserted; 0 means they were not. | |
97030eea | 594 | F:int:software_single_step:struct frame_info *frame:frame |
e6590a1b | 595 | |
3352ef37 AC |
596 | # Return non-zero if the processor is executing a delay slot and a |
597 | # further single-step is needed before the instruction finishes. | |
97030eea | 598 | M:int:single_step_through_delay:struct frame_info *frame:frame |
f6c40618 | 599 | # FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 600 | # disassembler. Perhaps objdump can handle it? |
97030eea UW |
601 | f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0: |
602 | f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0 | |
d50355b6 MS |
603 | |
604 | ||
cfd8ab24 | 605 | # If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
606 | # evaluates non-zero, this is the address where the debugger will place |
607 | # a step-resume breakpoint to get us past the dynamic linker. | |
97030eea | 608 | m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0 |
d50355b6 | 609 | # Some systems also have trampoline code for returning from shared libs. |
2c02bd72 | 610 | m:int:in_solib_return_trampoline:CORE_ADDR pc, const char *name:pc, name::generic_in_solib_return_trampoline::0 |
d50355b6 | 611 | |
c12260ac CV |
612 | # A target might have problems with watchpoints as soon as the stack |
613 | # frame of the current function has been destroyed. This mostly happens | |
614 | # as the first action in a funtion's epilogue. in_function_epilogue_p() | |
615 | # is defined to return a non-zero value if either the given addr is one | |
616 | # instruction after the stack destroying instruction up to the trailing | |
617 | # return instruction or if we can figure out that the stack frame has | |
618 | # already been invalidated regardless of the value of addr. Targets | |
619 | # which don't suffer from that problem could just let this functionality | |
620 | # untouched. | |
97030eea | 621 | m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0 |
97030eea UW |
622 | f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0 |
623 | f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 | |
97030eea UW |
624 | v:int:cannot_step_breakpoint:::0:0::0 |
625 | v:int:have_nonsteppable_watchpoint:::0:0::0 | |
626 | F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class | |
627 | M:const char *:address_class_type_flags_to_name:int type_flags:type_flags | |
628 | M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr | |
b59ff9d5 | 629 | # Is a register in a group |
97030eea | 630 | m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0 |
f6214256 | 631 | # Fetch the pointer to the ith function argument. |
97030eea | 632 | F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
6ce6d90f MK |
633 | |
634 | # Return the appropriate register set for a core file section with | |
635 | # name SECT_NAME and size SECT_SIZE. | |
97030eea | 636 | M:const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size |
0d5de010 | 637 | |
17ea7499 CES |
638 | # Supported register notes in a core file. |
639 | v:struct core_regset_section *:core_regset_sections:const char *name, int len::::::host_address_to_string (gdbarch->core_regset_sections) | |
640 | ||
6432734d UW |
641 | # Create core file notes |
642 | M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size | |
643 | ||
35c2fab7 UW |
644 | # Find core file memory regions |
645 | M:int:find_memory_regions:find_memory_region_ftype func, void *data:func, data | |
646 | ||
de584861 PA |
647 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
648 | # core file into buffer READBUF with length LEN. | |
97030eea | 649 | M:LONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, LONGEST len:readbuf, offset, len |
de584861 | 650 | |
c0edd9ed | 651 | # How the core target converts a PTID from a core file to a string. |
28439f5e PA |
652 | M:char *:core_pid_to_str:ptid_t ptid:ptid |
653 | ||
a78c2d62 | 654 | # BFD target to use when generating a core file. |
86ba1042 | 655 | V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target) |
a78c2d62 | 656 | |
0d5de010 DJ |
657 | # If the elements of C++ vtables are in-place function descriptors rather |
658 | # than normal function pointers (which may point to code or a descriptor), | |
659 | # set this to one. | |
97030eea | 660 | v:int:vtable_function_descriptors:::0:0::0 |
0d5de010 DJ |
661 | |
662 | # Set if the least significant bit of the delta is used instead of the least | |
663 | # significant bit of the pfn for pointers to virtual member functions. | |
97030eea | 664 | v:int:vbit_in_delta:::0:0::0 |
6d350bb5 UW |
665 | |
666 | # Advance PC to next instruction in order to skip a permanent breakpoint. | |
97030eea | 667 | F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache |
1c772458 | 668 | |
1668ae25 | 669 | # The maximum length of an instruction on this architecture in bytes. |
237fc4c9 PA |
670 | V:ULONGEST:max_insn_length:::0:0 |
671 | ||
672 | # Copy the instruction at FROM to TO, and make any adjustments | |
673 | # necessary to single-step it at that address. | |
674 | # | |
675 | # REGS holds the state the thread's registers will have before | |
676 | # executing the copied instruction; the PC in REGS will refer to FROM, | |
677 | # not the copy at TO. The caller should update it to point at TO later. | |
678 | # | |
679 | # Return a pointer to data of the architecture's choice to be passed | |
680 | # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
681 | # the instruction's effects have been completely simulated, with the | |
682 | # resulting state written back to REGS. | |
683 | # | |
684 | # For a general explanation of displaced stepping and how GDB uses it, | |
685 | # see the comments in infrun.c. | |
686 | # | |
687 | # The TO area is only guaranteed to have space for | |
688 | # gdbarch_max_insn_length (arch) bytes, so this function must not | |
689 | # write more bytes than that to that area. | |
690 | # | |
691 | # If you do not provide this function, GDB assumes that the | |
692 | # architecture does not support displaced stepping. | |
693 | # | |
694 | # If your architecture doesn't need to adjust instructions before | |
695 | # single-stepping them, consider using simple_displaced_step_copy_insn | |
696 | # here. | |
697 | M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs | |
698 | ||
99e40580 UW |
699 | # Return true if GDB should use hardware single-stepping to execute |
700 | # the displaced instruction identified by CLOSURE. If false, | |
701 | # GDB will simply restart execution at the displaced instruction | |
702 | # location, and it is up to the target to ensure GDB will receive | |
703 | # control again (e.g. by placing a software breakpoint instruction | |
704 | # into the displaced instruction buffer). | |
705 | # | |
706 | # The default implementation returns false on all targets that | |
707 | # provide a gdbarch_software_single_step routine, and true otherwise. | |
708 | m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 | |
709 | ||
237fc4c9 PA |
710 | # Fix up the state resulting from successfully single-stepping a |
711 | # displaced instruction, to give the result we would have gotten from | |
712 | # stepping the instruction in its original location. | |
713 | # | |
714 | # REGS is the register state resulting from single-stepping the | |
715 | # displaced instruction. | |
716 | # | |
717 | # CLOSURE is the result from the matching call to | |
718 | # gdbarch_displaced_step_copy_insn. | |
719 | # | |
720 | # If you provide gdbarch_displaced_step_copy_insn.but not this | |
721 | # function, then GDB assumes that no fixup is needed after | |
722 | # single-stepping the instruction. | |
723 | # | |
724 | # For a general explanation of displaced stepping and how GDB uses it, | |
725 | # see the comments in infrun.c. | |
726 | M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL | |
727 | ||
728 | # Free a closure returned by gdbarch_displaced_step_copy_insn. | |
729 | # | |
730 | # If you provide gdbarch_displaced_step_copy_insn, you must provide | |
731 | # this function as well. | |
732 | # | |
733 | # If your architecture uses closures that don't need to be freed, then | |
734 | # you can use simple_displaced_step_free_closure here. | |
735 | # | |
736 | # For a general explanation of displaced stepping and how GDB uses it, | |
737 | # see the comments in infrun.c. | |
738 | m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) | |
739 | ||
740 | # Return the address of an appropriate place to put displaced | |
741 | # instructions while we step over them. There need only be one such | |
742 | # place, since we're only stepping one thread over a breakpoint at a | |
743 | # time. | |
744 | # | |
745 | # For a general explanation of displaced stepping and how GDB uses it, | |
746 | # see the comments in infrun.c. | |
747 | m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) | |
748 | ||
dde08ee1 PA |
749 | # Relocate an instruction to execute at a different address. OLDLOC |
750 | # is the address in the inferior memory where the instruction to | |
751 | # relocate is currently at. On input, TO points to the destination | |
752 | # where we want the instruction to be copied (and possibly adjusted) | |
753 | # to. On output, it points to one past the end of the resulting | |
754 | # instruction(s). The effect of executing the instruction at TO shall | |
755 | # be the same as if executing it at FROM. For example, call | |
756 | # instructions that implicitly push the return address on the stack | |
757 | # should be adjusted to return to the instruction after OLDLOC; | |
758 | # relative branches, and other PC-relative instructions need the | |
759 | # offset adjusted; etc. | |
760 | M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL | |
761 | ||
1c772458 | 762 | # Refresh overlay mapped state for section OSECT. |
97030eea | 763 | F:void:overlay_update:struct obj_section *osect:osect |
4eb0ad19 | 764 | |
97030eea | 765 | M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
149ad273 UW |
766 | |
767 | # Handle special encoding of static variables in stabs debug info. | |
0d5cff50 | 768 | F:const char *:static_transform_name:const char *name:name |
203c3895 | 769 | # Set if the address in N_SO or N_FUN stabs may be zero. |
97030eea | 770 | v:int:sofun_address_maybe_missing:::0:0::0 |
1cded358 | 771 | |
0508c3ec HZ |
772 | # Parse the instruction at ADDR storing in the record execution log |
773 | # the registers REGCACHE and memory ranges that will be affected when | |
774 | # the instruction executes, along with their current values. | |
775 | # Return -1 if something goes wrong, 0 otherwise. | |
776 | M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr | |
777 | ||
3846b520 HZ |
778 | # Save process state after a signal. |
779 | # Return -1 if something goes wrong, 0 otherwise. | |
2ea28649 | 780 | M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:regcache, signal |
3846b520 | 781 | |
22203bbf | 782 | # Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
783 | # into GDB's representation. The implementation of this method must |
784 | # be host independent. IOW, don't rely on symbols of the NAT_FILE | |
785 | # header (the nm-*.h files), the host <signal.h> header, or similar | |
786 | # headers. This is mainly used when cross-debugging core files --- | |
787 | # "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
788 | # (target_wait, target_resume, etc.). |
789 | M:enum gdb_signal:gdb_signal_from_target:int signo:signo | |
60c5725c | 790 | |
4aa995e1 PA |
791 | # Extra signal info inspection. |
792 | # | |
793 | # Return a type suitable to inspect extra signal information. | |
794 | M:struct type *:get_siginfo_type:void: | |
795 | ||
60c5725c DJ |
796 | # Record architecture-specific information from the symbol table. |
797 | M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym | |
50c71eaf | 798 | |
a96d9b2e SDJ |
799 | # Function for the 'catch syscall' feature. |
800 | ||
801 | # Get architecture-specific system calls information from registers. | |
802 | M:LONGEST:get_syscall_number:ptid_t ptid:ptid | |
803 | ||
55aa24fb SDJ |
804 | # SystemTap related fields and functions. |
805 | ||
806 | # Prefix used to mark an integer constant on the architecture's assembly | |
807 | # For example, on x86 integer constants are written as: | |
808 | # | |
809 | # \$10 ;; integer constant 10 | |
810 | # | |
811 | # in this case, this prefix would be the character \`\$\'. | |
08af7a40 | 812 | v:const char *:stap_integer_prefix:::0:0::0:pstring (gdbarch->stap_integer_prefix) |
55aa24fb SDJ |
813 | |
814 | # Suffix used to mark an integer constant on the architecture's assembly. | |
08af7a40 | 815 | v:const char *:stap_integer_suffix:::0:0::0:pstring (gdbarch->stap_integer_suffix) |
55aa24fb SDJ |
816 | |
817 | # Prefix used to mark a register name on the architecture's assembly. | |
818 | # For example, on x86 the register name is written as: | |
819 | # | |
820 | # \%eax ;; register eax | |
821 | # | |
822 | # in this case, this prefix would be the character \`\%\'. | |
08af7a40 | 823 | v:const char *:stap_register_prefix:::0:0::0:pstring (gdbarch->stap_register_prefix) |
55aa24fb SDJ |
824 | |
825 | # Suffix used to mark a register name on the architecture's assembly | |
08af7a40 | 826 | v:const char *:stap_register_suffix:::0:0::0:pstring (gdbarch->stap_register_suffix) |
55aa24fb SDJ |
827 | |
828 | # Prefix used to mark a register indirection on the architecture's assembly. | |
829 | # For example, on x86 the register indirection is written as: | |
830 | # | |
831 | # \(\%eax\) ;; indirecting eax | |
832 | # | |
833 | # in this case, this prefix would be the charater \`\(\'. | |
834 | # | |
835 | # Please note that we use the indirection prefix also for register | |
836 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
08af7a40 | 837 | v:const char *:stap_register_indirection_prefix:::0:0::0:pstring (gdbarch->stap_register_indirection_prefix) |
55aa24fb SDJ |
838 | |
839 | # Suffix used to mark a register indirection on the architecture's assembly. | |
840 | # For example, on x86 the register indirection is written as: | |
841 | # | |
842 | # \(\%eax\) ;; indirecting eax | |
843 | # | |
844 | # in this case, this prefix would be the charater \`\)\'. | |
845 | # | |
846 | # Please note that we use the indirection suffix also for register | |
847 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
08af7a40 | 848 | v:const char *:stap_register_indirection_suffix:::0:0::0:pstring (gdbarch->stap_register_indirection_suffix) |
55aa24fb SDJ |
849 | |
850 | # Prefix used to name a register using GDB's nomenclature. | |
851 | # | |
852 | # For example, on PPC a register is represented by a number in the assembly | |
853 | # language (e.g., \`10\' is the 10th general-purpose register). However, | |
854 | # inside GDB this same register has an \`r\' appended to its name, so the 10th | |
855 | # register would be represented as \`r10\' internally. | |
08af7a40 | 856 | v:const char *:stap_gdb_register_prefix:::0:0::0:pstring (gdbarch->stap_gdb_register_prefix) |
55aa24fb SDJ |
857 | |
858 | # Suffix used to name a register using GDB's nomenclature. | |
08af7a40 | 859 | v:const char *:stap_gdb_register_suffix:::0:0::0:pstring (gdbarch->stap_gdb_register_suffix) |
55aa24fb SDJ |
860 | |
861 | # Check if S is a single operand. | |
862 | # | |
863 | # Single operands can be: | |
864 | # \- Literal integers, e.g. \`\$10\' on x86 | |
865 | # \- Register access, e.g. \`\%eax\' on x86 | |
866 | # \- Register indirection, e.g. \`\(\%eax\)\' on x86 | |
867 | # \- Register displacement, e.g. \`4\(\%eax\)\' on x86 | |
868 | # | |
869 | # This function should check for these patterns on the string | |
870 | # and return 1 if some were found, or zero otherwise. Please try to match | |
871 | # as much info as you can from the string, i.e., if you have to match | |
872 | # something like \`\(\%\', do not match just the \`\(\'. | |
873 | M:int:stap_is_single_operand:const char *s:s | |
874 | ||
875 | # Function used to handle a "special case" in the parser. | |
876 | # | |
877 | # A "special case" is considered to be an unknown token, i.e., a token | |
878 | # that the parser does not know how to parse. A good example of special | |
879 | # case would be ARM's register displacement syntax: | |
880 | # | |
881 | # [R0, #4] ;; displacing R0 by 4 | |
882 | # | |
883 | # Since the parser assumes that a register displacement is of the form: | |
884 | # | |
885 | # <number> <indirection_prefix> <register_name> <indirection_suffix> | |
886 | # | |
887 | # it means that it will not be able to recognize and parse this odd syntax. | |
888 | # Therefore, we should add a special case function that will handle this token. | |
889 | # | |
890 | # This function should generate the proper expression form of the expression | |
891 | # using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\' | |
892 | # and so on). It should also return 1 if the parsing was successful, or zero | |
893 | # if the token was not recognized as a special token (in this case, returning | |
894 | # zero means that the special parser is deferring the parsing to the generic | |
895 | # parser), and should advance the buffer pointer (p->arg). | |
896 | M:int:stap_parse_special_token:struct stap_parse_info *p:p | |
897 | ||
898 | ||
50c71eaf PA |
899 | # True if the list of shared libraries is one and only for all |
900 | # processes, as opposed to a list of shared libraries per inferior. | |
2567c7d9 PA |
901 | # This usually means that all processes, although may or may not share |
902 | # an address space, will see the same set of symbols at the same | |
903 | # addresses. | |
50c71eaf | 904 | v:int:has_global_solist:::0:0::0 |
2567c7d9 PA |
905 | |
906 | # On some targets, even though each inferior has its own private | |
907 | # address space, the debug interface takes care of making breakpoints | |
908 | # visible to all address spaces automatically. For such cases, | |
909 | # this property should be set to true. | |
910 | v:int:has_global_breakpoints:::0:0::0 | |
6c95b8df PA |
911 | |
912 | # True if inferiors share an address space (e.g., uClinux). | |
913 | m:int:has_shared_address_space:void:::default_has_shared_address_space::0 | |
7a697b8d SS |
914 | |
915 | # True if a fast tracepoint can be set at an address. | |
916 | m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 | |
75cebea9 | 917 | |
f870a310 TT |
918 | # Return the "auto" target charset. |
919 | f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0 | |
920 | # Return the "auto" target wide charset. | |
921 | f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0 | |
08105857 PA |
922 | |
923 | # If non-empty, this is a file extension that will be opened in place | |
924 | # of the file extension reported by the shared library list. | |
925 | # | |
926 | # This is most useful for toolchains that use a post-linker tool, | |
927 | # where the names of the files run on the target differ in extension | |
928 | # compared to the names of the files GDB should load for debug info. | |
929 | v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension) | |
ab38a727 PA |
930 | |
931 | # If true, the target OS has DOS-based file system semantics. That | |
932 | # is, absolute paths include a drive name, and the backslash is | |
933 | # considered a directory separator. | |
934 | v:int:has_dos_based_file_system:::0:0::0 | |
6710bf39 SS |
935 | |
936 | # Generate bytecodes to collect the return address in a frame. | |
937 | # Since the bytecodes run on the target, possibly with GDB not even | |
938 | # connected, the full unwinding machinery is not available, and | |
939 | # typically this function will issue bytecodes for one or more likely | |
940 | # places that the return address may be found. | |
941 | m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0 | |
942 | ||
3030c96e UW |
943 | # Implement the "info proc" command. |
944 | M:void:info_proc:char *args, enum info_proc_what what:args, what | |
945 | ||
19630284 JB |
946 | # Iterate over all objfiles in the order that makes the most sense |
947 | # for the architecture to make global symbol searches. | |
948 | # | |
949 | # CB is a callback function where OBJFILE is the objfile to be searched, | |
950 | # and CB_DATA a pointer to user-defined data (the same data that is passed | |
951 | # when calling this gdbarch method). The iteration stops if this function | |
952 | # returns nonzero. | |
953 | # | |
954 | # CB_DATA is a pointer to some user-defined data to be passed to | |
955 | # the callback. | |
956 | # | |
957 | # If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
958 | # inspected when the symbol search was requested. | |
959 | m:void:iterate_over_objfiles_in_search_order:iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile:cb, cb_data, current_objfile:0:default_iterate_over_objfiles_in_search_order::0 | |
960 | ||
104c1213 | 961 | EOF |
104c1213 JM |
962 | } |
963 | ||
0b8f9e4d AC |
964 | # |
965 | # The .log file | |
966 | # | |
967 | exec > new-gdbarch.log | |
34620563 | 968 | function_list | while do_read |
0b8f9e4d AC |
969 | do |
970 | cat <<EOF | |
2f9b146e | 971 | ${class} ${returntype} ${function} ($formal) |
104c1213 | 972 | EOF |
3d9a5942 AC |
973 | for r in ${read} |
974 | do | |
975 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
976 | done | |
f0d4cc9e | 977 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 978 | then |
66d659b1 | 979 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
980 | kill $$ |
981 | exit 1 | |
982 | fi | |
72e74a21 | 983 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
984 | then |
985 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
986 | kill $$ | |
987 | exit 1 | |
988 | fi | |
a72293e2 AC |
989 | if class_is_multiarch_p |
990 | then | |
991 | if class_is_predicate_p ; then : | |
992 | elif test "x${predefault}" = "x" | |
993 | then | |
2f9b146e | 994 | echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2 |
a72293e2 AC |
995 | kill $$ |
996 | exit 1 | |
997 | fi | |
998 | fi | |
3d9a5942 | 999 | echo "" |
0b8f9e4d AC |
1000 | done |
1001 | ||
1002 | exec 1>&2 | |
1003 | compare_new gdbarch.log | |
1004 | ||
104c1213 JM |
1005 | |
1006 | copyright () | |
1007 | { | |
1008 | cat <<EOF | |
c4bfde41 JK |
1009 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
1010 | /* vi:set ro: */ | |
59233f88 | 1011 | |
104c1213 | 1012 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 1013 | |
f801e1e0 MS |
1014 | Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
1015 | 2007, 2008, 2009 Free Software Foundation, Inc. | |
104c1213 JM |
1016 | |
1017 | This file is part of GDB. | |
1018 | ||
1019 | This program is free software; you can redistribute it and/or modify | |
1020 | it under the terms of the GNU General Public License as published by | |
50efebf8 | 1021 | the Free Software Foundation; either version 3 of the License, or |
104c1213 | 1022 | (at your option) any later version. |
50efebf8 | 1023 | |
104c1213 JM |
1024 | This program is distributed in the hope that it will be useful, |
1025 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
1026 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
1027 | GNU General Public License for more details. | |
50efebf8 | 1028 | |
104c1213 | 1029 | You should have received a copy of the GNU General Public License |
50efebf8 | 1030 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 | 1031 | |
104c1213 JM |
1032 | /* This file was created with the aid of \`\`gdbarch.sh''. |
1033 | ||
52204a0b | 1034 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
1035 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
1036 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
1037 | being reported. | |
1038 | ||
1039 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 1040 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 1041 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 1042 | easier. */ |
104c1213 JM |
1043 | |
1044 | EOF | |
1045 | } | |
1046 | ||
1047 | # | |
1048 | # The .h file | |
1049 | # | |
1050 | ||
1051 | exec > new-gdbarch.h | |
1052 | copyright | |
1053 | cat <<EOF | |
1054 | #ifndef GDBARCH_H | |
1055 | #define GDBARCH_H | |
1056 | ||
da3331ec AC |
1057 | struct floatformat; |
1058 | struct ui_file; | |
104c1213 JM |
1059 | struct frame_info; |
1060 | struct value; | |
b6af0555 | 1061 | struct objfile; |
1c772458 | 1062 | struct obj_section; |
a2cf933a | 1063 | struct minimal_symbol; |
049ee0e4 | 1064 | struct regcache; |
b59ff9d5 | 1065 | struct reggroup; |
6ce6d90f | 1066 | struct regset; |
a89aa300 | 1067 | struct disassemble_info; |
e2d0e7eb | 1068 | struct target_ops; |
030f20e1 | 1069 | struct obstack; |
8181d85f | 1070 | struct bp_target_info; |
424163ea | 1071 | struct target_desc; |
237fc4c9 | 1072 | struct displaced_step_closure; |
17ea7499 | 1073 | struct core_regset_section; |
a96d9b2e | 1074 | struct syscall; |
175ff332 | 1075 | struct agent_expr; |
6710bf39 | 1076 | struct axs_value; |
55aa24fb | 1077 | struct stap_parse_info; |
104c1213 | 1078 | |
6ecd4729 PA |
1079 | /* The architecture associated with the inferior through the |
1080 | connection to the target. | |
1081 | ||
1082 | The architecture vector provides some information that is really a | |
1083 | property of the inferior, accessed through a particular target: | |
1084 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
1085 | vector; etc. To differentiate architecture accesses to | |
1086 | per-inferior/target properties from | |
1087 | per-thread/per-frame/per-objfile properties, accesses to | |
1088 | per-inferior/target properties should be made through this | |
1089 | gdbarch. */ | |
1090 | ||
1091 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 1092 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 PA |
1093 | |
1094 | /* The initial, default architecture. It uses host values (for want of a better | |
1095 | choice). */ | |
1096 | extern struct gdbarch startup_gdbarch; | |
1097 | ||
19630284 JB |
1098 | |
1099 | /* Callback type for the 'iterate_over_objfiles_in_search_order' | |
1100 | gdbarch method. */ | |
1101 | ||
1102 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
1103 | (struct objfile *objfile, void *cb_data); | |
104c1213 JM |
1104 | EOF |
1105 | ||
1106 | # function typedef's | |
3d9a5942 AC |
1107 | printf "\n" |
1108 | printf "\n" | |
0963b4bd | 1109 | printf "/* The following are pre-initialized by GDBARCH. */\n" |
34620563 | 1110 | function_list | while do_read |
104c1213 | 1111 | do |
2ada493a AC |
1112 | if class_is_info_p |
1113 | then | |
3d9a5942 AC |
1114 | printf "\n" |
1115 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
0963b4bd | 1116 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" |
2ada493a | 1117 | fi |
104c1213 JM |
1118 | done |
1119 | ||
1120 | # function typedef's | |
3d9a5942 AC |
1121 | printf "\n" |
1122 | printf "\n" | |
0963b4bd | 1123 | printf "/* The following are initialized by the target dependent code. */\n" |
34620563 | 1124 | function_list | while do_read |
104c1213 | 1125 | do |
72e74a21 | 1126 | if [ -n "${comment}" ] |
34620563 AC |
1127 | then |
1128 | echo "${comment}" | sed \ | |
1129 | -e '2 s,#,/*,' \ | |
1130 | -e '3,$ s,#, ,' \ | |
1131 | -e '$ s,$, */,' | |
1132 | fi | |
412d5987 AC |
1133 | |
1134 | if class_is_predicate_p | |
2ada493a | 1135 | then |
412d5987 AC |
1136 | printf "\n" |
1137 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
4a5c6a1d | 1138 | fi |
2ada493a AC |
1139 | if class_is_variable_p |
1140 | then | |
3d9a5942 AC |
1141 | printf "\n" |
1142 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
1143 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
2ada493a AC |
1144 | fi |
1145 | if class_is_function_p | |
1146 | then | |
3d9a5942 | 1147 | printf "\n" |
72e74a21 | 1148 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
1149 | then |
1150 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
1151 | elif class_is_multiarch_p | |
1152 | then | |
1153 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
1154 | else | |
1155 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
1156 | fi | |
72e74a21 | 1157 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1158 | then |
3d9a5942 | 1159 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 1160 | else |
3d9a5942 | 1161 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 1162 | fi |
3d9a5942 | 1163 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
2ada493a | 1164 | fi |
104c1213 JM |
1165 | done |
1166 | ||
1167 | # close it off | |
1168 | cat <<EOF | |
1169 | ||
a96d9b2e SDJ |
1170 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1171 | #define UNKNOWN_SYSCALL (-1) | |
1172 | ||
104c1213 JM |
1173 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
1174 | ||
1175 | ||
1176 | /* Mechanism for co-ordinating the selection of a specific | |
1177 | architecture. | |
1178 | ||
1179 | GDB targets (*-tdep.c) can register an interest in a specific | |
1180 | architecture. Other GDB components can register a need to maintain | |
1181 | per-architecture data. | |
1182 | ||
1183 | The mechanisms below ensures that there is only a loose connection | |
1184 | between the set-architecture command and the various GDB | |
0fa6923a | 1185 | components. Each component can independently register their need |
104c1213 JM |
1186 | to maintain architecture specific data with gdbarch. |
1187 | ||
1188 | Pragmatics: | |
1189 | ||
1190 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1191 | didn't scale. | |
1192 | ||
1193 | The more traditional mega-struct containing architecture specific | |
1194 | data for all the various GDB components was also considered. Since | |
0fa6923a | 1195 | GDB is built from a variable number of (fairly independent) |
104c1213 | 1196 | components it was determined that the global aproach was not |
0963b4bd | 1197 | applicable. */ |
104c1213 JM |
1198 | |
1199 | ||
1200 | /* Register a new architectural family with GDB. | |
1201 | ||
1202 | Register support for the specified ARCHITECTURE with GDB. When | |
1203 | gdbarch determines that the specified architecture has been | |
1204 | selected, the corresponding INIT function is called. | |
1205 | ||
1206 | -- | |
1207 | ||
1208 | The INIT function takes two parameters: INFO which contains the | |
1209 | information available to gdbarch about the (possibly new) | |
1210 | architecture; ARCHES which is a list of the previously created | |
1211 | \`\`struct gdbarch'' for this architecture. | |
1212 | ||
0f79675b | 1213 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1214 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1215 | |
1216 | The ARCHES parameter is a linked list (sorted most recently used) | |
1217 | of all the previously created architures for this architecture | |
1218 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1219 | values from the previously selected architecture for this | |
59837fe0 | 1220 | architecture family. |
104c1213 JM |
1221 | |
1222 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1223 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1224 | gdbarch'' from the ARCHES list - indicating that the new |
1225 | architecture is just a synonym for an earlier architecture (see | |
1226 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1227 | - that describes the selected architecture (see gdbarch_alloc()). |
1228 | ||
1229 | The DUMP_TDEP function shall print out all target specific values. | |
1230 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1231 | multi-arch and non- multi-arch cases. */ |
104c1213 JM |
1232 | |
1233 | struct gdbarch_list | |
1234 | { | |
1235 | struct gdbarch *gdbarch; | |
1236 | struct gdbarch_list *next; | |
1237 | }; | |
1238 | ||
1239 | struct gdbarch_info | |
1240 | { | |
0963b4bd | 1241 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1242 | const struct bfd_arch_info *bfd_arch_info; |
1243 | ||
428721aa | 1244 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
104c1213 JM |
1245 | int byte_order; |
1246 | ||
9d4fde75 SS |
1247 | int byte_order_for_code; |
1248 | ||
0963b4bd | 1249 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1250 | bfd *abfd; |
1251 | ||
0963b4bd | 1252 | /* Use default: NULL (ZERO). */ |
104c1213 | 1253 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1254 | |
1255 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1256 | enum gdb_osabi osabi; | |
424163ea DJ |
1257 | |
1258 | /* Use default: NULL (ZERO). */ | |
1259 | const struct target_desc *target_desc; | |
104c1213 JM |
1260 | }; |
1261 | ||
1262 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1263 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1264 | |
4b9b3959 | 1265 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1266 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1267 | ||
4b9b3959 AC |
1268 | extern void gdbarch_register (enum bfd_architecture architecture, |
1269 | gdbarch_init_ftype *, | |
1270 | gdbarch_dump_tdep_ftype *); | |
1271 | ||
104c1213 | 1272 | |
b4a20239 AC |
1273 | /* Return a freshly allocated, NULL terminated, array of the valid |
1274 | architecture names. Since architectures are registered during the | |
1275 | _initialize phase this function only returns useful information | |
0963b4bd | 1276 | once initialization has been completed. */ |
b4a20239 AC |
1277 | |
1278 | extern const char **gdbarch_printable_names (void); | |
1279 | ||
1280 | ||
104c1213 | 1281 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1282 | matches the information provided by INFO. */ |
104c1213 | 1283 | |
424163ea | 1284 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
104c1213 JM |
1285 | |
1286 | ||
1287 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
424163ea | 1288 | basic initialization using values obtained from the INFO and TDEP |
104c1213 | 1289 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1290 | initialization of the object. */ |
104c1213 JM |
1291 | |
1292 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1293 | ||
1294 | ||
4b9b3959 AC |
1295 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1296 | It is assumed that the caller freeds the \`\`struct | |
0963b4bd | 1297 | gdbarch_tdep''. */ |
4b9b3959 | 1298 | |
058f20d5 JB |
1299 | extern void gdbarch_free (struct gdbarch *); |
1300 | ||
1301 | ||
aebd7893 AC |
1302 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1303 | obstack. The memory is freed when the corresponding architecture | |
1304 | is also freed. */ | |
1305 | ||
1306 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1307 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1308 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1309 | ||
1310 | ||
0963b4bd | 1311 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1312 | |
b732d07d AC |
1313 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1314 | architecture'' et.al., the existing architecture and BFD's default | |
1315 | architecture. INFO should be initialized to zero and then selected | |
1316 | fields should be updated. | |
104c1213 | 1317 | |
0963b4bd | 1318 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1319 | |
1320 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1321 | |
1322 | ||
ebdba546 AC |
1323 | /* Helper function. Find an architecture matching info. |
1324 | ||
1325 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1326 | set, and then finished using gdbarch_info_fill. | |
1327 | ||
1328 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1329 | architecture was found. */ |
ebdba546 AC |
1330 | |
1331 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1332 | ||
1333 | ||
59837fe0 | 1334 | /* Helper function. Set the global "target_gdbarch" to "gdbarch". |
ebdba546 AC |
1335 | |
1336 | FIXME: kettenis/20031124: Of the functions that follow, only | |
1337 | gdbarch_from_bfd is supposed to survive. The others will | |
1338 | dissappear since in the future GDB will (hopefully) be truly | |
1339 | multi-arch. However, for now we're still stuck with the concept of | |
1340 | a single active architecture. */ | |
1341 | ||
59837fe0 | 1342 | extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch); |
ebdba546 | 1343 | |
104c1213 JM |
1344 | |
1345 | /* Register per-architecture data-pointer. | |
1346 | ||
1347 | Reserve space for a per-architecture data-pointer. An identifier | |
1348 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1349 | be saved in a local static variable. |
104c1213 | 1350 | |
fcc1c85c AC |
1351 | Memory for the per-architecture data shall be allocated using |
1352 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1353 | corresponding architecture object is deleted. | |
104c1213 | 1354 | |
95160752 AC |
1355 | When a previously created architecture is re-selected, the |
1356 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1357 | restored. INIT() is not re-called. |
104c1213 JM |
1358 | |
1359 | Multiple registrarants for any architecture are allowed (and | |
1360 | strongly encouraged). */ | |
1361 | ||
95160752 | 1362 | struct gdbarch_data; |
104c1213 | 1363 | |
030f20e1 AC |
1364 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1365 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1366 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1367 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1368 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1369 | struct gdbarch_data *data, | |
1370 | void *pointer); | |
104c1213 | 1371 | |
451fbdda | 1372 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1373 | |
1374 | ||
0fa6923a | 1375 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1376 | byte-order, ...) using information found in the BFD. */ |
104c1213 JM |
1377 | |
1378 | extern void set_gdbarch_from_file (bfd *); | |
1379 | ||
1380 | ||
e514a9d6 JM |
1381 | /* Initialize the current architecture to the "first" one we find on |
1382 | our list. */ | |
1383 | ||
1384 | extern void initialize_current_architecture (void); | |
1385 | ||
104c1213 | 1386 | /* gdbarch trace variable */ |
ccce17b0 | 1387 | extern unsigned int gdbarch_debug; |
104c1213 | 1388 | |
4b9b3959 | 1389 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1390 | |
1391 | #endif | |
1392 | EOF | |
1393 | exec 1>&2 | |
1394 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1395 | compare_new gdbarch.h |
104c1213 JM |
1396 | |
1397 | ||
1398 | # | |
1399 | # C file | |
1400 | # | |
1401 | ||
1402 | exec > new-gdbarch.c | |
1403 | copyright | |
1404 | cat <<EOF | |
1405 | ||
1406 | #include "defs.h" | |
7355ddba | 1407 | #include "arch-utils.h" |
104c1213 | 1408 | |
104c1213 | 1409 | #include "gdbcmd.h" |
faaf634c | 1410 | #include "inferior.h" |
104c1213 JM |
1411 | #include "symcat.h" |
1412 | ||
f0d4cc9e | 1413 | #include "floatformat.h" |
104c1213 | 1414 | |
95160752 | 1415 | #include "gdb_assert.h" |
b66d6d2e | 1416 | #include "gdb_string.h" |
b59ff9d5 | 1417 | #include "reggroups.h" |
4be87837 | 1418 | #include "osabi.h" |
aebd7893 | 1419 | #include "gdb_obstack.h" |
383f836e | 1420 | #include "observer.h" |
a3ecef73 | 1421 | #include "regcache.h" |
19630284 | 1422 | #include "objfiles.h" |
95160752 | 1423 | |
104c1213 JM |
1424 | /* Static function declarations */ |
1425 | ||
b3cc3077 | 1426 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1427 | |
104c1213 JM |
1428 | /* Non-zero if we want to trace architecture code. */ |
1429 | ||
1430 | #ifndef GDBARCH_DEBUG | |
1431 | #define GDBARCH_DEBUG 0 | |
1432 | #endif | |
ccce17b0 | 1433 | unsigned int gdbarch_debug = GDBARCH_DEBUG; |
920d2a44 AC |
1434 | static void |
1435 | show_gdbarch_debug (struct ui_file *file, int from_tty, | |
1436 | struct cmd_list_element *c, const char *value) | |
1437 | { | |
1438 | fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); | |
1439 | } | |
104c1213 | 1440 | |
456fcf94 | 1441 | static const char * |
8da61cc4 | 1442 | pformat (const struct floatformat **format) |
456fcf94 AC |
1443 | { |
1444 | if (format == NULL) | |
1445 | return "(null)"; | |
1446 | else | |
8da61cc4 DJ |
1447 | /* Just print out one of them - this is only for diagnostics. */ |
1448 | return format[0]->name; | |
456fcf94 AC |
1449 | } |
1450 | ||
08105857 PA |
1451 | static const char * |
1452 | pstring (const char *string) | |
1453 | { | |
1454 | if (string == NULL) | |
1455 | return "(null)"; | |
1456 | return string; | |
1457 | } | |
1458 | ||
104c1213 JM |
1459 | EOF |
1460 | ||
1461 | # gdbarch open the gdbarch object | |
3d9a5942 | 1462 | printf "\n" |
0963b4bd | 1463 | printf "/* Maintain the struct gdbarch object. */\n" |
3d9a5942 AC |
1464 | printf "\n" |
1465 | printf "struct gdbarch\n" | |
1466 | printf "{\n" | |
76860b5f AC |
1467 | printf " /* Has this architecture been fully initialized? */\n" |
1468 | printf " int initialized_p;\n" | |
aebd7893 AC |
1469 | printf "\n" |
1470 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1471 | printf " struct obstack *obstack;\n" | |
1472 | printf "\n" | |
0963b4bd | 1473 | printf " /* basic architectural information. */\n" |
34620563 | 1474 | function_list | while do_read |
104c1213 | 1475 | do |
2ada493a AC |
1476 | if class_is_info_p |
1477 | then | |
3d9a5942 | 1478 | printf " ${returntype} ${function};\n" |
2ada493a | 1479 | fi |
104c1213 | 1480 | done |
3d9a5942 | 1481 | printf "\n" |
0963b4bd | 1482 | printf " /* target specific vector. */\n" |
3d9a5942 AC |
1483 | printf " struct gdbarch_tdep *tdep;\n" |
1484 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1485 | printf "\n" | |
0963b4bd | 1486 | printf " /* per-architecture data-pointers. */\n" |
95160752 | 1487 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1488 | printf " void **data;\n" |
1489 | printf "\n" | |
104c1213 JM |
1490 | cat <<EOF |
1491 | /* Multi-arch values. | |
1492 | ||
1493 | When extending this structure you must: | |
1494 | ||
1495 | Add the field below. | |
1496 | ||
1497 | Declare set/get functions and define the corresponding | |
1498 | macro in gdbarch.h. | |
1499 | ||
1500 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1501 | initialize the new field. | |
1502 | ||
1503 | verify_gdbarch(): Confirm that the target updated the field | |
1504 | correctly. | |
1505 | ||
7e73cedf | 1506 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1507 | field is dumped out |
1508 | ||
c0e8c252 | 1509 | \`\`startup_gdbarch()'': Append an initial value to the static |
104c1213 JM |
1510 | variable (base values on the host's c-type system). |
1511 | ||
1512 | get_gdbarch(): Implement the set/get functions (probably using | |
1513 | the macro's as shortcuts). | |
1514 | ||
1515 | */ | |
1516 | ||
1517 | EOF | |
34620563 | 1518 | function_list | while do_read |
104c1213 | 1519 | do |
2ada493a AC |
1520 | if class_is_variable_p |
1521 | then | |
3d9a5942 | 1522 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1523 | elif class_is_function_p |
1524 | then | |
2f9b146e | 1525 | printf " gdbarch_${function}_ftype *${function};\n" |
2ada493a | 1526 | fi |
104c1213 | 1527 | done |
3d9a5942 | 1528 | printf "};\n" |
104c1213 JM |
1529 | |
1530 | # A pre-initialized vector | |
3d9a5942 AC |
1531 | printf "\n" |
1532 | printf "\n" | |
104c1213 JM |
1533 | cat <<EOF |
1534 | /* The default architecture uses host values (for want of a better | |
0963b4bd | 1535 | choice). */ |
104c1213 | 1536 | EOF |
3d9a5942 AC |
1537 | printf "\n" |
1538 | printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n" | |
1539 | printf "\n" | |
1540 | printf "struct gdbarch startup_gdbarch =\n" | |
1541 | printf "{\n" | |
76860b5f | 1542 | printf " 1, /* Always initialized. */\n" |
aebd7893 | 1543 | printf " NULL, /* The obstack. */\n" |
0963b4bd | 1544 | printf " /* basic architecture information. */\n" |
4b9b3959 | 1545 | function_list | while do_read |
104c1213 | 1546 | do |
2ada493a AC |
1547 | if class_is_info_p |
1548 | then | |
ec5cbaec | 1549 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1550 | fi |
104c1213 JM |
1551 | done |
1552 | cat <<EOF | |
0963b4bd | 1553 | /* target specific vector and its dump routine. */ |
4b9b3959 | 1554 | NULL, NULL, |
c66fb220 TT |
1555 | /*per-architecture data-pointers. */ |
1556 | 0, NULL, | |
104c1213 JM |
1557 | /* Multi-arch values */ |
1558 | EOF | |
34620563 | 1559 | function_list | while do_read |
104c1213 | 1560 | do |
2ada493a AC |
1561 | if class_is_function_p || class_is_variable_p |
1562 | then | |
ec5cbaec | 1563 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1564 | fi |
104c1213 JM |
1565 | done |
1566 | cat <<EOF | |
c0e8c252 | 1567 | /* startup_gdbarch() */ |
104c1213 | 1568 | }; |
4b9b3959 | 1569 | |
104c1213 JM |
1570 | EOF |
1571 | ||
1572 | # Create a new gdbarch struct | |
104c1213 | 1573 | cat <<EOF |
7de2341d | 1574 | |
66b43ecb | 1575 | /* Create a new \`\`struct gdbarch'' based on information provided by |
0963b4bd | 1576 | \`\`struct gdbarch_info''. */ |
104c1213 | 1577 | EOF |
3d9a5942 | 1578 | printf "\n" |
104c1213 JM |
1579 | cat <<EOF |
1580 | struct gdbarch * | |
1581 | gdbarch_alloc (const struct gdbarch_info *info, | |
1582 | struct gdbarch_tdep *tdep) | |
1583 | { | |
be7811ad | 1584 | struct gdbarch *gdbarch; |
aebd7893 AC |
1585 | |
1586 | /* Create an obstack for allocating all the per-architecture memory, | |
1587 | then use that to allocate the architecture vector. */ | |
1588 | struct obstack *obstack = XMALLOC (struct obstack); | |
1589 | obstack_init (obstack); | |
be7811ad MD |
1590 | gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
1591 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1592 | gdbarch->obstack = obstack; | |
85de9627 | 1593 | |
be7811ad | 1594 | alloc_gdbarch_data (gdbarch); |
85de9627 | 1595 | |
be7811ad | 1596 | gdbarch->tdep = tdep; |
104c1213 | 1597 | EOF |
3d9a5942 | 1598 | printf "\n" |
34620563 | 1599 | function_list | while do_read |
104c1213 | 1600 | do |
2ada493a AC |
1601 | if class_is_info_p |
1602 | then | |
be7811ad | 1603 | printf " gdbarch->${function} = info->${function};\n" |
2ada493a | 1604 | fi |
104c1213 | 1605 | done |
3d9a5942 | 1606 | printf "\n" |
0963b4bd | 1607 | printf " /* Force the explicit initialization of these. */\n" |
34620563 | 1608 | function_list | while do_read |
104c1213 | 1609 | do |
2ada493a AC |
1610 | if class_is_function_p || class_is_variable_p |
1611 | then | |
72e74a21 | 1612 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1613 | then |
be7811ad | 1614 | printf " gdbarch->${function} = ${predefault};\n" |
104c1213 | 1615 | fi |
2ada493a | 1616 | fi |
104c1213 JM |
1617 | done |
1618 | cat <<EOF | |
1619 | /* gdbarch_alloc() */ | |
1620 | ||
be7811ad | 1621 | return gdbarch; |
104c1213 JM |
1622 | } |
1623 | EOF | |
1624 | ||
058f20d5 | 1625 | # Free a gdbarch struct. |
3d9a5942 AC |
1626 | printf "\n" |
1627 | printf "\n" | |
058f20d5 | 1628 | cat <<EOF |
aebd7893 AC |
1629 | /* Allocate extra space using the per-architecture obstack. */ |
1630 | ||
1631 | void * | |
1632 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1633 | { | |
1634 | void *data = obstack_alloc (arch->obstack, size); | |
05c547f6 | 1635 | |
aebd7893 AC |
1636 | memset (data, 0, size); |
1637 | return data; | |
1638 | } | |
1639 | ||
1640 | ||
058f20d5 JB |
1641 | /* Free a gdbarch struct. This should never happen in normal |
1642 | operation --- once you've created a gdbarch, you keep it around. | |
1643 | However, if an architecture's init function encounters an error | |
1644 | building the structure, it may need to clean up a partially | |
1645 | constructed gdbarch. */ | |
4b9b3959 | 1646 | |
058f20d5 JB |
1647 | void |
1648 | gdbarch_free (struct gdbarch *arch) | |
1649 | { | |
aebd7893 | 1650 | struct obstack *obstack; |
05c547f6 | 1651 | |
95160752 | 1652 | gdb_assert (arch != NULL); |
aebd7893 AC |
1653 | gdb_assert (!arch->initialized_p); |
1654 | obstack = arch->obstack; | |
1655 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1656 | xfree (obstack); | |
058f20d5 JB |
1657 | } |
1658 | EOF | |
1659 | ||
104c1213 | 1660 | # verify a new architecture |
104c1213 | 1661 | cat <<EOF |
db446970 AC |
1662 | |
1663 | ||
1664 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1665 | ||
104c1213 | 1666 | static void |
be7811ad | 1667 | verify_gdbarch (struct gdbarch *gdbarch) |
104c1213 | 1668 | { |
f16a1923 AC |
1669 | struct ui_file *log; |
1670 | struct cleanup *cleanups; | |
759ef836 | 1671 | long length; |
f16a1923 | 1672 | char *buf; |
05c547f6 | 1673 | |
f16a1923 AC |
1674 | log = mem_fileopen (); |
1675 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1676 | /* fundamental */ |
be7811ad | 1677 | if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1678 | fprintf_unfiltered (log, "\n\tbyte-order"); |
be7811ad | 1679 | if (gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1680 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
0963b4bd | 1681 | /* Check those that need to be defined for the given multi-arch level. */ |
104c1213 | 1682 | EOF |
34620563 | 1683 | function_list | while do_read |
104c1213 | 1684 | do |
2ada493a AC |
1685 | if class_is_function_p || class_is_variable_p |
1686 | then | |
72e74a21 | 1687 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1688 | then |
3d9a5942 | 1689 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1690 | elif class_is_predicate_p |
1691 | then | |
0963b4bd | 1692 | printf " /* Skip verify of ${function}, has predicate. */\n" |
f0d4cc9e | 1693 | # FIXME: See do_read for potential simplification |
72e74a21 | 1694 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1695 | then |
3d9a5942 | 1696 | printf " if (${invalid_p})\n" |
be7811ad | 1697 | printf " gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1698 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1699 | then |
be7811ad MD |
1700 | printf " if (gdbarch->${function} == ${predefault})\n" |
1701 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1702 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1703 | then |
be7811ad MD |
1704 | printf " if (gdbarch->${function} == 0)\n" |
1705 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1706 | elif [ -n "${invalid_p}" ] |
104c1213 | 1707 | then |
4d60522e | 1708 | printf " if (${invalid_p})\n" |
f16a1923 | 1709 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1710 | elif [ -n "${predefault}" ] |
104c1213 | 1711 | then |
be7811ad | 1712 | printf " if (gdbarch->${function} == ${predefault})\n" |
f16a1923 | 1713 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1714 | fi |
2ada493a | 1715 | fi |
104c1213 JM |
1716 | done |
1717 | cat <<EOF | |
759ef836 | 1718 | buf = ui_file_xstrdup (log, &length); |
f16a1923 | 1719 | make_cleanup (xfree, buf); |
759ef836 | 1720 | if (length > 0) |
f16a1923 | 1721 | internal_error (__FILE__, __LINE__, |
85c07804 | 1722 | _("verify_gdbarch: the following are invalid ...%s"), |
f16a1923 AC |
1723 | buf); |
1724 | do_cleanups (cleanups); | |
104c1213 JM |
1725 | } |
1726 | EOF | |
1727 | ||
1728 | # dump the structure | |
3d9a5942 AC |
1729 | printf "\n" |
1730 | printf "\n" | |
104c1213 | 1731 | cat <<EOF |
0963b4bd | 1732 | /* Print out the details of the current architecture. */ |
4b9b3959 | 1733 | |
104c1213 | 1734 | void |
be7811ad | 1735 | gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
104c1213 | 1736 | { |
b78960be | 1737 | const char *gdb_nm_file = "<not-defined>"; |
05c547f6 | 1738 | |
b78960be AC |
1739 | #if defined (GDB_NM_FILE) |
1740 | gdb_nm_file = GDB_NM_FILE; | |
1741 | #endif | |
1742 | fprintf_unfiltered (file, | |
1743 | "gdbarch_dump: GDB_NM_FILE = %s\\n", | |
1744 | gdb_nm_file); | |
104c1213 | 1745 | EOF |
97030eea | 1746 | function_list | sort -t: -k 3 | while do_read |
104c1213 | 1747 | do |
1e9f55d0 AC |
1748 | # First the predicate |
1749 | if class_is_predicate_p | |
1750 | then | |
7996bcec | 1751 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1752 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
be7811ad | 1753 | printf " gdbarch_${function}_p (gdbarch));\n" |
08e45a40 | 1754 | fi |
48f7351b | 1755 | # Print the corresponding value. |
283354d8 | 1756 | if class_is_function_p |
4b9b3959 | 1757 | then |
7996bcec | 1758 | printf " fprintf_unfiltered (file,\n" |
30737ed9 JB |
1759 | printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
1760 | printf " host_address_to_string (gdbarch->${function}));\n" | |
4b9b3959 | 1761 | else |
48f7351b | 1762 | # It is a variable |
2f9b146e AC |
1763 | case "${print}:${returntype}" in |
1764 | :CORE_ADDR ) | |
0b1553bc UW |
1765 | fmt="%s" |
1766 | print="core_addr_to_string_nz (gdbarch->${function})" | |
48f7351b | 1767 | ;; |
2f9b146e | 1768 | :* ) |
48f7351b | 1769 | fmt="%s" |
623d3eb1 | 1770 | print="plongest (gdbarch->${function})" |
48f7351b AC |
1771 | ;; |
1772 | * ) | |
2f9b146e | 1773 | fmt="%s" |
48f7351b AC |
1774 | ;; |
1775 | esac | |
3d9a5942 | 1776 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1777 | printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
3d9a5942 | 1778 | printf " ${print});\n" |
2ada493a | 1779 | fi |
104c1213 | 1780 | done |
381323f4 | 1781 | cat <<EOF |
be7811ad MD |
1782 | if (gdbarch->dump_tdep != NULL) |
1783 | gdbarch->dump_tdep (gdbarch, file); | |
381323f4 AC |
1784 | } |
1785 | EOF | |
104c1213 JM |
1786 | |
1787 | ||
1788 | # GET/SET | |
3d9a5942 | 1789 | printf "\n" |
104c1213 JM |
1790 | cat <<EOF |
1791 | struct gdbarch_tdep * | |
1792 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1793 | { | |
1794 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1795 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1796 | return gdbarch->tdep; |
1797 | } | |
1798 | EOF | |
3d9a5942 | 1799 | printf "\n" |
34620563 | 1800 | function_list | while do_read |
104c1213 | 1801 | do |
2ada493a AC |
1802 | if class_is_predicate_p |
1803 | then | |
3d9a5942 AC |
1804 | printf "\n" |
1805 | printf "int\n" | |
1806 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1807 | printf "{\n" | |
8de9bdc4 | 1808 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1809 | printf " return ${predicate};\n" |
3d9a5942 | 1810 | printf "}\n" |
2ada493a AC |
1811 | fi |
1812 | if class_is_function_p | |
1813 | then | |
3d9a5942 AC |
1814 | printf "\n" |
1815 | printf "${returntype}\n" | |
72e74a21 | 1816 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1817 | then |
3d9a5942 | 1818 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1819 | else |
3d9a5942 | 1820 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1821 | fi |
3d9a5942 | 1822 | printf "{\n" |
8de9bdc4 | 1823 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1824 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1825 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1826 | then |
1827 | # Allow a call to a function with a predicate. | |
956ac328 | 1828 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1829 | fi |
3d9a5942 AC |
1830 | printf " if (gdbarch_debug >= 2)\n" |
1831 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1832 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1833 | then |
1834 | if class_is_multiarch_p | |
1835 | then | |
1836 | params="gdbarch" | |
1837 | else | |
1838 | params="" | |
1839 | fi | |
1840 | else | |
1841 | if class_is_multiarch_p | |
1842 | then | |
1843 | params="gdbarch, ${actual}" | |
1844 | else | |
1845 | params="${actual}" | |
1846 | fi | |
1847 | fi | |
72e74a21 | 1848 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1849 | then |
4a5c6a1d | 1850 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1851 | else |
4a5c6a1d | 1852 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1853 | fi |
3d9a5942 AC |
1854 | printf "}\n" |
1855 | printf "\n" | |
1856 | printf "void\n" | |
1857 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1858 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1859 | printf "{\n" | |
1860 | printf " gdbarch->${function} = ${function};\n" | |
1861 | printf "}\n" | |
2ada493a AC |
1862 | elif class_is_variable_p |
1863 | then | |
3d9a5942 AC |
1864 | printf "\n" |
1865 | printf "${returntype}\n" | |
1866 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1867 | printf "{\n" | |
8de9bdc4 | 1868 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1869 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1870 | then |
3d9a5942 | 1871 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1872 | elif [ -n "${invalid_p}" ] |
104c1213 | 1873 | then |
956ac328 AC |
1874 | printf " /* Check variable is valid. */\n" |
1875 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1876 | elif [ -n "${predefault}" ] |
104c1213 | 1877 | then |
956ac328 AC |
1878 | printf " /* Check variable changed from pre-default. */\n" |
1879 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1880 | fi |
3d9a5942 AC |
1881 | printf " if (gdbarch_debug >= 2)\n" |
1882 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1883 | printf " return gdbarch->${function};\n" | |
1884 | printf "}\n" | |
1885 | printf "\n" | |
1886 | printf "void\n" | |
1887 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1888 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
1889 | printf "{\n" | |
1890 | printf " gdbarch->${function} = ${function};\n" | |
1891 | printf "}\n" | |
2ada493a AC |
1892 | elif class_is_info_p |
1893 | then | |
3d9a5942 AC |
1894 | printf "\n" |
1895 | printf "${returntype}\n" | |
1896 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1897 | printf "{\n" | |
8de9bdc4 | 1898 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
1899 | printf " if (gdbarch_debug >= 2)\n" |
1900 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1901 | printf " return gdbarch->${function};\n" | |
1902 | printf "}\n" | |
2ada493a | 1903 | fi |
104c1213 JM |
1904 | done |
1905 | ||
1906 | # All the trailing guff | |
1907 | cat <<EOF | |
1908 | ||
1909 | ||
f44c642f | 1910 | /* Keep a registry of per-architecture data-pointers required by GDB |
0963b4bd | 1911 | modules. */ |
104c1213 JM |
1912 | |
1913 | struct gdbarch_data | |
1914 | { | |
95160752 | 1915 | unsigned index; |
76860b5f | 1916 | int init_p; |
030f20e1 AC |
1917 | gdbarch_data_pre_init_ftype *pre_init; |
1918 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
1919 | }; |
1920 | ||
1921 | struct gdbarch_data_registration | |
1922 | { | |
104c1213 JM |
1923 | struct gdbarch_data *data; |
1924 | struct gdbarch_data_registration *next; | |
1925 | }; | |
1926 | ||
f44c642f | 1927 | struct gdbarch_data_registry |
104c1213 | 1928 | { |
95160752 | 1929 | unsigned nr; |
104c1213 JM |
1930 | struct gdbarch_data_registration *registrations; |
1931 | }; | |
1932 | ||
f44c642f | 1933 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
1934 | { |
1935 | 0, NULL, | |
1936 | }; | |
1937 | ||
030f20e1 AC |
1938 | static struct gdbarch_data * |
1939 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
1940 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
1941 | { |
1942 | struct gdbarch_data_registration **curr; | |
05c547f6 MS |
1943 | |
1944 | /* Append the new registration. */ | |
f44c642f | 1945 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
1946 | (*curr) != NULL; |
1947 | curr = &(*curr)->next); | |
1948 | (*curr) = XMALLOC (struct gdbarch_data_registration); | |
1949 | (*curr)->next = NULL; | |
104c1213 | 1950 | (*curr)->data = XMALLOC (struct gdbarch_data); |
f44c642f | 1951 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
1952 | (*curr)->data->pre_init = pre_init; |
1953 | (*curr)->data->post_init = post_init; | |
76860b5f | 1954 | (*curr)->data->init_p = 1; |
104c1213 JM |
1955 | return (*curr)->data; |
1956 | } | |
1957 | ||
030f20e1 AC |
1958 | struct gdbarch_data * |
1959 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
1960 | { | |
1961 | return gdbarch_data_register (pre_init, NULL); | |
1962 | } | |
1963 | ||
1964 | struct gdbarch_data * | |
1965 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
1966 | { | |
1967 | return gdbarch_data_register (NULL, post_init); | |
1968 | } | |
104c1213 | 1969 | |
0963b4bd | 1970 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
1971 | |
1972 | static void | |
b3cc3077 | 1973 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 1974 | { |
b3cc3077 JB |
1975 | gdb_assert (gdbarch->data == NULL); |
1976 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 1977 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 1978 | } |
3c875b6f | 1979 | |
76860b5f | 1980 | /* Initialize the current value of the specified per-architecture |
0963b4bd | 1981 | data-pointer. */ |
b3cc3077 | 1982 | |
95160752 | 1983 | void |
030f20e1 AC |
1984 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
1985 | struct gdbarch_data *data, | |
1986 | void *pointer) | |
95160752 AC |
1987 | { |
1988 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 1989 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 1990 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
1991 | gdbarch->data[data->index] = pointer; |
1992 | } | |
1993 | ||
104c1213 | 1994 | /* Return the current value of the specified per-architecture |
0963b4bd | 1995 | data-pointer. */ |
104c1213 JM |
1996 | |
1997 | void * | |
451fbdda | 1998 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 1999 | { |
451fbdda | 2000 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 2001 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 2002 | { |
030f20e1 AC |
2003 | /* The data-pointer isn't initialized, call init() to get a |
2004 | value. */ | |
2005 | if (data->pre_init != NULL) | |
2006 | /* Mid architecture creation: pass just the obstack, and not | |
2007 | the entire architecture, as that way it isn't possible for | |
2008 | pre-init code to refer to undefined architecture | |
2009 | fields. */ | |
2010 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
2011 | else if (gdbarch->initialized_p | |
2012 | && data->post_init != NULL) | |
2013 | /* Post architecture creation: pass the entire architecture | |
2014 | (as all fields are valid), but be careful to also detect | |
2015 | recursive references. */ | |
2016 | { | |
2017 | gdb_assert (data->init_p); | |
2018 | data->init_p = 0; | |
2019 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
2020 | data->init_p = 1; | |
2021 | } | |
2022 | else | |
2023 | /* The architecture initialization hasn't completed - punt - | |
2024 | hope that the caller knows what they are doing. Once | |
2025 | deprecated_set_gdbarch_data has been initialized, this can be | |
2026 | changed to an internal error. */ | |
2027 | return NULL; | |
76860b5f AC |
2028 | gdb_assert (gdbarch->data[data->index] != NULL); |
2029 | } | |
451fbdda | 2030 | return gdbarch->data[data->index]; |
104c1213 JM |
2031 | } |
2032 | ||
2033 | ||
0963b4bd | 2034 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 2035 | |
4b9b3959 | 2036 | struct gdbarch_registration |
104c1213 JM |
2037 | { |
2038 | enum bfd_architecture bfd_architecture; | |
2039 | gdbarch_init_ftype *init; | |
4b9b3959 | 2040 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 2041 | struct gdbarch_list *arches; |
4b9b3959 | 2042 | struct gdbarch_registration *next; |
104c1213 JM |
2043 | }; |
2044 | ||
f44c642f | 2045 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 2046 | |
b4a20239 AC |
2047 | static void |
2048 | append_name (const char ***buf, int *nr, const char *name) | |
2049 | { | |
2050 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
2051 | (*buf)[*nr] = name; | |
2052 | *nr += 1; | |
2053 | } | |
2054 | ||
2055 | const char ** | |
2056 | gdbarch_printable_names (void) | |
2057 | { | |
7996bcec | 2058 | /* Accumulate a list of names based on the registed list of |
0963b4bd | 2059 | architectures. */ |
7996bcec AC |
2060 | int nr_arches = 0; |
2061 | const char **arches = NULL; | |
2062 | struct gdbarch_registration *rego; | |
05c547f6 | 2063 | |
7996bcec AC |
2064 | for (rego = gdbarch_registry; |
2065 | rego != NULL; | |
2066 | rego = rego->next) | |
b4a20239 | 2067 | { |
7996bcec AC |
2068 | const struct bfd_arch_info *ap; |
2069 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2070 | if (ap == NULL) | |
2071 | internal_error (__FILE__, __LINE__, | |
85c07804 | 2072 | _("gdbarch_architecture_names: multi-arch unknown")); |
7996bcec AC |
2073 | do |
2074 | { | |
2075 | append_name (&arches, &nr_arches, ap->printable_name); | |
2076 | ap = ap->next; | |
2077 | } | |
2078 | while (ap != NULL); | |
b4a20239 | 2079 | } |
7996bcec AC |
2080 | append_name (&arches, &nr_arches, NULL); |
2081 | return arches; | |
b4a20239 AC |
2082 | } |
2083 | ||
2084 | ||
104c1213 | 2085 | void |
4b9b3959 AC |
2086 | gdbarch_register (enum bfd_architecture bfd_architecture, |
2087 | gdbarch_init_ftype *init, | |
2088 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 2089 | { |
4b9b3959 | 2090 | struct gdbarch_registration **curr; |
104c1213 | 2091 | const struct bfd_arch_info *bfd_arch_info; |
05c547f6 | 2092 | |
ec3d358c | 2093 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
2094 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
2095 | if (bfd_arch_info == NULL) | |
2096 | { | |
8e65ff28 | 2097 | internal_error (__FILE__, __LINE__, |
0963b4bd MS |
2098 | _("gdbarch: Attempt to register " |
2099 | "unknown architecture (%d)"), | |
8e65ff28 | 2100 | bfd_architecture); |
104c1213 | 2101 | } |
0963b4bd | 2102 | /* Check that we haven't seen this architecture before. */ |
f44c642f | 2103 | for (curr = &gdbarch_registry; |
104c1213 JM |
2104 | (*curr) != NULL; |
2105 | curr = &(*curr)->next) | |
2106 | { | |
2107 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 | 2108 | internal_error (__FILE__, __LINE__, |
64b9b334 | 2109 | _("gdbarch: Duplicate registration " |
0963b4bd | 2110 | "of architecture (%s)"), |
8e65ff28 | 2111 | bfd_arch_info->printable_name); |
104c1213 JM |
2112 | } |
2113 | /* log it */ | |
2114 | if (gdbarch_debug) | |
30737ed9 | 2115 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
104c1213 | 2116 | bfd_arch_info->printable_name, |
30737ed9 | 2117 | host_address_to_string (init)); |
104c1213 | 2118 | /* Append it */ |
4b9b3959 | 2119 | (*curr) = XMALLOC (struct gdbarch_registration); |
104c1213 JM |
2120 | (*curr)->bfd_architecture = bfd_architecture; |
2121 | (*curr)->init = init; | |
4b9b3959 | 2122 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
2123 | (*curr)->arches = NULL; |
2124 | (*curr)->next = NULL; | |
4b9b3959 AC |
2125 | } |
2126 | ||
2127 | void | |
2128 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
2129 | gdbarch_init_ftype *init) | |
2130 | { | |
2131 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 2132 | } |
104c1213 JM |
2133 | |
2134 | ||
424163ea | 2135 | /* Look for an architecture using gdbarch_info. */ |
104c1213 JM |
2136 | |
2137 | struct gdbarch_list * | |
2138 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
2139 | const struct gdbarch_info *info) | |
2140 | { | |
2141 | for (; arches != NULL; arches = arches->next) | |
2142 | { | |
2143 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
2144 | continue; | |
2145 | if (info->byte_order != arches->gdbarch->byte_order) | |
2146 | continue; | |
4be87837 DJ |
2147 | if (info->osabi != arches->gdbarch->osabi) |
2148 | continue; | |
424163ea DJ |
2149 | if (info->target_desc != arches->gdbarch->target_desc) |
2150 | continue; | |
104c1213 JM |
2151 | return arches; |
2152 | } | |
2153 | return NULL; | |
2154 | } | |
2155 | ||
2156 | ||
ebdba546 | 2157 | /* Find an architecture that matches the specified INFO. Create a new |
59837fe0 | 2158 | architecture if needed. Return that new architecture. */ |
104c1213 | 2159 | |
59837fe0 UW |
2160 | struct gdbarch * |
2161 | gdbarch_find_by_info (struct gdbarch_info info) | |
104c1213 JM |
2162 | { |
2163 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 2164 | struct gdbarch_registration *rego; |
104c1213 | 2165 | |
b732d07d | 2166 | /* Fill in missing parts of the INFO struct using a number of |
7a107747 DJ |
2167 | sources: "set ..."; INFOabfd supplied; and the global |
2168 | defaults. */ | |
2169 | gdbarch_info_fill (&info); | |
4be87837 | 2170 | |
0963b4bd | 2171 | /* Must have found some sort of architecture. */ |
b732d07d | 2172 | gdb_assert (info.bfd_arch_info != NULL); |
104c1213 JM |
2173 | |
2174 | if (gdbarch_debug) | |
2175 | { | |
2176 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2177 | "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
2178 | (info.bfd_arch_info != NULL |
2179 | ? info.bfd_arch_info->printable_name | |
2180 | : "(null)")); | |
2181 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2182 | "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
104c1213 | 2183 | info.byte_order, |
d7449b42 | 2184 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 2185 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 2186 | : "default")); |
4be87837 | 2187 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2188 | "gdbarch_find_by_info: info.osabi %d (%s)\n", |
4be87837 | 2189 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 2190 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2191 | "gdbarch_find_by_info: info.abfd %s\n", |
30737ed9 | 2192 | host_address_to_string (info.abfd)); |
104c1213 | 2193 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2194 | "gdbarch_find_by_info: info.tdep_info %s\n", |
30737ed9 | 2195 | host_address_to_string (info.tdep_info)); |
104c1213 JM |
2196 | } |
2197 | ||
ebdba546 | 2198 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
2199 | for (rego = gdbarch_registry; |
2200 | rego != NULL; | |
2201 | rego = rego->next) | |
2202 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
2203 | break; | |
2204 | if (rego == NULL) | |
2205 | { | |
2206 | if (gdbarch_debug) | |
59837fe0 | 2207 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 | 2208 | "No matching architecture\n"); |
b732d07d AC |
2209 | return 0; |
2210 | } | |
2211 | ||
ebdba546 | 2212 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
2213 | new_gdbarch = rego->init (info, rego->arches); |
2214 | ||
ebdba546 AC |
2215 | /* Did the tdep code like it? No. Reject the change and revert to |
2216 | the old architecture. */ | |
104c1213 JM |
2217 | if (new_gdbarch == NULL) |
2218 | { | |
2219 | if (gdbarch_debug) | |
59837fe0 | 2220 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 AC |
2221 | "Target rejected architecture\n"); |
2222 | return NULL; | |
104c1213 JM |
2223 | } |
2224 | ||
ebdba546 AC |
2225 | /* Is this a pre-existing architecture (as determined by already |
2226 | being initialized)? Move it to the front of the architecture | |
2227 | list (keeping the list sorted Most Recently Used). */ | |
2228 | if (new_gdbarch->initialized_p) | |
104c1213 | 2229 | { |
ebdba546 AC |
2230 | struct gdbarch_list **list; |
2231 | struct gdbarch_list *this; | |
104c1213 | 2232 | if (gdbarch_debug) |
59837fe0 | 2233 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2234 | "Previous architecture %s (%s) selected\n", |
2235 | host_address_to_string (new_gdbarch), | |
104c1213 | 2236 | new_gdbarch->bfd_arch_info->printable_name); |
ebdba546 AC |
2237 | /* Find the existing arch in the list. */ |
2238 | for (list = ®o->arches; | |
2239 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2240 | list = &(*list)->next); | |
2241 | /* It had better be in the list of architectures. */ | |
2242 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2243 | /* Unlink THIS. */ | |
2244 | this = (*list); | |
2245 | (*list) = this->next; | |
2246 | /* Insert THIS at the front. */ | |
2247 | this->next = rego->arches; | |
2248 | rego->arches = this; | |
2249 | /* Return it. */ | |
2250 | return new_gdbarch; | |
104c1213 JM |
2251 | } |
2252 | ||
ebdba546 AC |
2253 | /* It's a new architecture. */ |
2254 | if (gdbarch_debug) | |
59837fe0 | 2255 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2256 | "New architecture %s (%s) selected\n", |
2257 | host_address_to_string (new_gdbarch), | |
ebdba546 AC |
2258 | new_gdbarch->bfd_arch_info->printable_name); |
2259 | ||
2260 | /* Insert the new architecture into the front of the architecture | |
2261 | list (keep the list sorted Most Recently Used). */ | |
0f79675b AC |
2262 | { |
2263 | struct gdbarch_list *this = XMALLOC (struct gdbarch_list); | |
2264 | this->next = rego->arches; | |
2265 | this->gdbarch = new_gdbarch; | |
2266 | rego->arches = this; | |
2267 | } | |
104c1213 | 2268 | |
4b9b3959 AC |
2269 | /* Check that the newly installed architecture is valid. Plug in |
2270 | any post init values. */ | |
2271 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2272 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2273 | new_gdbarch->initialized_p = 1; |
104c1213 | 2274 | |
4b9b3959 | 2275 | if (gdbarch_debug) |
ebdba546 AC |
2276 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2277 | ||
2278 | return new_gdbarch; | |
2279 | } | |
2280 | ||
e487cc15 | 2281 | /* Make the specified architecture current. */ |
ebdba546 AC |
2282 | |
2283 | void | |
59837fe0 | 2284 | deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch) |
ebdba546 AC |
2285 | { |
2286 | gdb_assert (new_gdbarch != NULL); | |
ebdba546 | 2287 | gdb_assert (new_gdbarch->initialized_p); |
6ecd4729 | 2288 | current_inferior ()->gdbarch = new_gdbarch; |
383f836e | 2289 | observer_notify_architecture_changed (new_gdbarch); |
a3ecef73 | 2290 | registers_changed (); |
ebdba546 | 2291 | } |
104c1213 | 2292 | |
f5656ead | 2293 | /* Return the current inferior's arch. */ |
6ecd4729 PA |
2294 | |
2295 | struct gdbarch * | |
f5656ead | 2296 | target_gdbarch (void) |
6ecd4729 PA |
2297 | { |
2298 | return current_inferior ()->gdbarch; | |
2299 | } | |
2300 | ||
104c1213 | 2301 | extern void _initialize_gdbarch (void); |
b4a20239 | 2302 | |
104c1213 | 2303 | void |
34620563 | 2304 | _initialize_gdbarch (void) |
104c1213 | 2305 | { |
ccce17b0 | 2306 | add_setshow_zuinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
85c07804 AC |
2307 | Set architecture debugging."), _("\\ |
2308 | Show architecture debugging."), _("\\ | |
2309 | When non-zero, architecture debugging is enabled."), | |
2310 | NULL, | |
920d2a44 | 2311 | show_gdbarch_debug, |
85c07804 | 2312 | &setdebuglist, &showdebuglist); |
104c1213 JM |
2313 | } |
2314 | EOF | |
2315 | ||
2316 | # close things off | |
2317 | exec 1>&2 | |
2318 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2319 | compare_new gdbarch.c |