Commit | Line | Data |
---|---|---|
66b43ecb | 1 | #!/bin/sh -u |
104c1213 JM |
2 | |
3 | # Architecture commands for GDB, the GNU debugger. | |
79d45cd4 | 4 | # |
ecd75fc8 | 5 | # Copyright (C) 1998-2014 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} ${file}" 1>&2 | |
39 | fi | |
40 | } | |
41 | ||
42 | ||
43 | # Format of the input table | |
97030eea | 44 | read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol" |
c0e8c252 AC |
45 | |
46 | do_read () | |
47 | { | |
34620563 AC |
48 | comment="" |
49 | class="" | |
c9023fb3 PA |
50 | # On some SH's, 'read' trims leading and trailing whitespace by |
51 | # default (e.g., bash), while on others (e.g., dash), it doesn't. | |
52 | # Set IFS to empty to disable the trimming everywhere. | |
53 | while IFS='' read line | |
34620563 AC |
54 | do |
55 | if test "${line}" = "" | |
56 | then | |
57 | continue | |
58 | elif test "${line}" = "#" -a "${comment}" = "" | |
f0d4cc9e | 59 | then |
34620563 AC |
60 | continue |
61 | elif expr "${line}" : "#" > /dev/null | |
f0d4cc9e | 62 | then |
34620563 AC |
63 | comment="${comment} |
64 | ${line}" | |
f0d4cc9e | 65 | else |
3d9a5942 AC |
66 | |
67 | # The semantics of IFS varies between different SH's. Some | |
68 | # treat ``::' as three fields while some treat it as just too. | |
69 | # Work around this by eliminating ``::'' .... | |
70 | line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`" | |
71 | ||
72 | OFS="${IFS}" ; IFS="[:]" | |
34620563 AC |
73 | eval read ${read} <<EOF |
74 | ${line} | |
75 | EOF | |
76 | IFS="${OFS}" | |
77 | ||
283354d8 AC |
78 | if test -n "${garbage_at_eol}" |
79 | then | |
80 | echo "Garbage at end-of-line in ${line}" 1>&2 | |
81 | kill $$ | |
82 | exit 1 | |
83 | fi | |
84 | ||
3d9a5942 AC |
85 | # .... and then going back through each field and strip out those |
86 | # that ended up with just that space character. | |
87 | for r in ${read} | |
88 | do | |
89 | if eval test \"\${${r}}\" = \"\ \" | |
90 | then | |
91 | eval ${r}="" | |
92 | fi | |
93 | done | |
94 | ||
a72293e2 AC |
95 | case "${class}" in |
96 | m ) staticdefault="${predefault}" ;; | |
97 | M ) staticdefault="0" ;; | |
98 | * ) test "${staticdefault}" || staticdefault=0 ;; | |
99 | esac | |
06b25f14 | 100 | |
ae45cd16 AC |
101 | case "${class}" in |
102 | F | V | M ) | |
103 | case "${invalid_p}" in | |
34620563 | 104 | "" ) |
f7968451 | 105 | if test -n "${predefault}" |
34620563 AC |
106 | then |
107 | #invalid_p="gdbarch->${function} == ${predefault}" | |
ae45cd16 | 108 | predicate="gdbarch->${function} != ${predefault}" |
f7968451 AC |
109 | elif class_is_variable_p |
110 | then | |
111 | predicate="gdbarch->${function} != 0" | |
112 | elif class_is_function_p | |
113 | then | |
114 | predicate="gdbarch->${function} != NULL" | |
34620563 AC |
115 | fi |
116 | ;; | |
ae45cd16 | 117 | * ) |
1e9f55d0 | 118 | echo "Predicate function ${function} with invalid_p." 1>&2 |
ae45cd16 AC |
119 | kill $$ |
120 | exit 1 | |
121 | ;; | |
122 | esac | |
34620563 AC |
123 | esac |
124 | ||
125 | # PREDEFAULT is a valid fallback definition of MEMBER when | |
126 | # multi-arch is not enabled. This ensures that the | |
127 | # default value, when multi-arch is the same as the | |
128 | # default value when not multi-arch. POSTDEFAULT is | |
129 | # always a valid definition of MEMBER as this again | |
130 | # ensures consistency. | |
131 | ||
72e74a21 | 132 | if [ -n "${postdefault}" ] |
34620563 AC |
133 | then |
134 | fallbackdefault="${postdefault}" | |
72e74a21 | 135 | elif [ -n "${predefault}" ] |
34620563 AC |
136 | then |
137 | fallbackdefault="${predefault}" | |
138 | else | |
73d3c16e | 139 | fallbackdefault="0" |
34620563 AC |
140 | fi |
141 | ||
142 | #NOT YET: See gdbarch.log for basic verification of | |
143 | # database | |
144 | ||
145 | break | |
f0d4cc9e | 146 | fi |
34620563 | 147 | done |
72e74a21 | 148 | if [ -n "${class}" ] |
34620563 AC |
149 | then |
150 | true | |
c0e8c252 AC |
151 | else |
152 | false | |
153 | fi | |
154 | } | |
155 | ||
104c1213 | 156 | |
f0d4cc9e AC |
157 | fallback_default_p () |
158 | { | |
72e74a21 JB |
159 | [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \ |
160 | || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ] | |
f0d4cc9e AC |
161 | } |
162 | ||
163 | class_is_variable_p () | |
164 | { | |
4a5c6a1d AC |
165 | case "${class}" in |
166 | *v* | *V* ) true ;; | |
167 | * ) false ;; | |
168 | esac | |
f0d4cc9e AC |
169 | } |
170 | ||
171 | class_is_function_p () | |
172 | { | |
4a5c6a1d AC |
173 | case "${class}" in |
174 | *f* | *F* | *m* | *M* ) true ;; | |
175 | * ) false ;; | |
176 | esac | |
177 | } | |
178 | ||
179 | class_is_multiarch_p () | |
180 | { | |
181 | case "${class}" in | |
182 | *m* | *M* ) true ;; | |
183 | * ) false ;; | |
184 | esac | |
f0d4cc9e AC |
185 | } |
186 | ||
187 | class_is_predicate_p () | |
188 | { | |
4a5c6a1d AC |
189 | case "${class}" in |
190 | *F* | *V* | *M* ) true ;; | |
191 | * ) false ;; | |
192 | esac | |
f0d4cc9e AC |
193 | } |
194 | ||
195 | class_is_info_p () | |
196 | { | |
4a5c6a1d AC |
197 | case "${class}" in |
198 | *i* ) true ;; | |
199 | * ) false ;; | |
200 | esac | |
f0d4cc9e AC |
201 | } |
202 | ||
203 | ||
cff3e48b JM |
204 | # dump out/verify the doco |
205 | for field in ${read} | |
206 | do | |
207 | case ${field} in | |
208 | ||
209 | class ) : ;; | |
c4093a6a | 210 | |
c0e8c252 AC |
211 | # # -> line disable |
212 | # f -> function | |
213 | # hiding a function | |
2ada493a AC |
214 | # F -> function + predicate |
215 | # hiding a function + predicate to test function validity | |
c0e8c252 AC |
216 | # v -> variable |
217 | # hiding a variable | |
2ada493a AC |
218 | # V -> variable + predicate |
219 | # hiding a variable + predicate to test variables validity | |
c0e8c252 AC |
220 | # i -> set from info |
221 | # hiding something from the ``struct info'' object | |
4a5c6a1d AC |
222 | # m -> multi-arch function |
223 | # hiding a multi-arch function (parameterised with the architecture) | |
224 | # M -> multi-arch function + predicate | |
225 | # hiding a multi-arch function + predicate to test function validity | |
cff3e48b | 226 | |
cff3e48b JM |
227 | returntype ) : ;; |
228 | ||
c0e8c252 | 229 | # For functions, the return type; for variables, the data type |
cff3e48b JM |
230 | |
231 | function ) : ;; | |
232 | ||
c0e8c252 AC |
233 | # For functions, the member function name; for variables, the |
234 | # variable name. Member function names are always prefixed with | |
235 | # ``gdbarch_'' for name-space purity. | |
cff3e48b JM |
236 | |
237 | formal ) : ;; | |
238 | ||
c0e8c252 AC |
239 | # The formal argument list. It is assumed that the formal |
240 | # argument list includes the actual name of each list element. | |
241 | # A function with no arguments shall have ``void'' as the | |
242 | # formal argument list. | |
cff3e48b JM |
243 | |
244 | actual ) : ;; | |
245 | ||
c0e8c252 AC |
246 | # The list of actual arguments. The arguments specified shall |
247 | # match the FORMAL list given above. Functions with out | |
248 | # arguments leave this blank. | |
cff3e48b | 249 | |
0b8f9e4d | 250 | staticdefault ) : ;; |
c0e8c252 AC |
251 | |
252 | # To help with the GDB startup a static gdbarch object is | |
0b8f9e4d AC |
253 | # created. STATICDEFAULT is the value to insert into that |
254 | # static gdbarch object. Since this a static object only | |
255 | # simple expressions can be used. | |
cff3e48b | 256 | |
0b8f9e4d | 257 | # If STATICDEFAULT is empty, zero is used. |
c0e8c252 | 258 | |
0b8f9e4d | 259 | predefault ) : ;; |
cff3e48b | 260 | |
10312cc4 AC |
261 | # An initial value to assign to MEMBER of the freshly |
262 | # malloc()ed gdbarch object. After initialization, the | |
263 | # freshly malloc()ed object is passed to the target | |
264 | # architecture code for further updates. | |
cff3e48b | 265 | |
0b8f9e4d AC |
266 | # If PREDEFAULT is empty, zero is used. |
267 | ||
10312cc4 AC |
268 | # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero |
269 | # INVALID_P are specified, PREDEFAULT will be used as the | |
270 | # default for the non- multi-arch target. | |
271 | ||
272 | # A zero PREDEFAULT function will force the fallback to call | |
273 | # internal_error(). | |
f0d4cc9e AC |
274 | |
275 | # Variable declarations can refer to ``gdbarch'' which will | |
276 | # contain the current architecture. Care should be taken. | |
0b8f9e4d AC |
277 | |
278 | postdefault ) : ;; | |
279 | ||
280 | # A value to assign to MEMBER of the new gdbarch object should | |
10312cc4 AC |
281 | # the target architecture code fail to change the PREDEFAULT |
282 | # value. | |
0b8f9e4d AC |
283 | |
284 | # If POSTDEFAULT is empty, no post update is performed. | |
285 | ||
286 | # If both INVALID_P and POSTDEFAULT are non-empty then | |
287 | # INVALID_P will be used to determine if MEMBER should be | |
288 | # changed to POSTDEFAULT. | |
289 | ||
10312cc4 AC |
290 | # If a non-empty POSTDEFAULT and a zero INVALID_P are |
291 | # specified, POSTDEFAULT will be used as the default for the | |
292 | # non- multi-arch target (regardless of the value of | |
293 | # PREDEFAULT). | |
294 | ||
f0d4cc9e AC |
295 | # You cannot specify both a zero INVALID_P and a POSTDEFAULT. |
296 | ||
be7811ad | 297 | # Variable declarations can refer to ``gdbarch'' which |
db446970 AC |
298 | # will contain the current architecture. Care should be |
299 | # taken. | |
cff3e48b | 300 | |
c4093a6a | 301 | invalid_p ) : ;; |
cff3e48b | 302 | |
0b8f9e4d | 303 | # A predicate equation that validates MEMBER. Non-zero is |
c0e8c252 | 304 | # returned if the code creating the new architecture failed to |
0b8f9e4d AC |
305 | # initialize MEMBER or the initialized the member is invalid. |
306 | # If POSTDEFAULT is non-empty then MEMBER will be updated to | |
307 | # that value. If POSTDEFAULT is empty then internal_error() | |
308 | # is called. | |
309 | ||
310 | # If INVALID_P is empty, a check that MEMBER is no longer | |
311 | # equal to PREDEFAULT is used. | |
312 | ||
f0d4cc9e AC |
313 | # The expression ``0'' disables the INVALID_P check making |
314 | # PREDEFAULT a legitimate value. | |
0b8f9e4d AC |
315 | |
316 | # See also PREDEFAULT and POSTDEFAULT. | |
cff3e48b | 317 | |
cff3e48b JM |
318 | print ) : ;; |
319 | ||
2f9b146e AC |
320 | # An optional expression that convers MEMBER to a value |
321 | # suitable for formatting using %s. | |
c0e8c252 | 322 | |
0b1553bc UW |
323 | # If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR) |
324 | # or plongest (anything else) is used. | |
cff3e48b | 325 | |
283354d8 | 326 | garbage_at_eol ) : ;; |
0b8f9e4d | 327 | |
283354d8 | 328 | # Catches stray fields. |
cff3e48b | 329 | |
50248794 AC |
330 | *) |
331 | echo "Bad field ${field}" | |
332 | exit 1;; | |
cff3e48b JM |
333 | esac |
334 | done | |
335 | ||
cff3e48b | 336 | |
104c1213 JM |
337 | function_list () |
338 | { | |
cff3e48b | 339 | # See below (DOCO) for description of each field |
34620563 | 340 | cat <<EOF |
be7811ad | 341 | i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name |
104c1213 | 342 | # |
94123b4f YQ |
343 | i:enum bfd_endian:byte_order:::BFD_ENDIAN_BIG |
344 | i:enum bfd_endian:byte_order_for_code:::BFD_ENDIAN_BIG | |
4be87837 | 345 | # |
97030eea | 346 | i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN |
424163ea | 347 | # |
30737ed9 | 348 | i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc) |
32c9a795 MD |
349 | |
350 | # The bit byte-order has to do just with numbering of bits in debugging symbols | |
351 | # and such. Conceptually, it's quite separate from byte/word byte order. | |
352 | v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0 | |
353 | ||
66b43ecb AC |
354 | # Number of bits in a char or unsigned char for the target machine. |
355 | # Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 356 | # v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
357 | # |
358 | # Number of bits in a short or unsigned short for the target machine. | |
97030eea | 359 | v:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0 |
66b43ecb | 360 | # Number of bits in an int or unsigned int for the target machine. |
97030eea | 361 | v:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0 |
66b43ecb | 362 | # Number of bits in a long or unsigned long for the target machine. |
97030eea | 363 | v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0 |
66b43ecb AC |
364 | # Number of bits in a long long or unsigned long long for the target |
365 | # machine. | |
be7811ad | 366 | v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 |
205c306f DM |
367 | # Alignment of a long long or unsigned long long for the target |
368 | # machine. | |
369 | v:int:long_long_align_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 | |
456fcf94 | 370 | |
f9e9243a UW |
371 | # The ABI default bit-size and format for "half", "float", "double", and |
372 | # "long double". These bit/format pairs should eventually be combined | |
373 | # into a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
374 | # Each format describes both the big and little endian layouts (if |
375 | # useful). | |
456fcf94 | 376 | |
f9e9243a UW |
377 | v:int:half_bit:::16:2*TARGET_CHAR_BIT::0 |
378 | v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format) | |
97030eea | 379 | v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0 |
be7811ad | 380 | v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format) |
97030eea | 381 | v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0 |
be7811ad | 382 | v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format) |
97030eea | 383 | v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0 |
be7811ad | 384 | v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format) |
456fcf94 | 385 | |
52204a0b DT |
386 | # For most targets, a pointer on the target and its representation as an |
387 | # address in GDB have the same size and "look the same". For such a | |
17a912b6 | 388 | # target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
389 | # / addr_bit will be set from it. |
390 | # | |
17a912b6 | 391 | # If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
8da614df CV |
392 | # also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
393 | # gdbarch_address_to_pointer as well. | |
52204a0b DT |
394 | # |
395 | # ptr_bit is the size of a pointer on the target | |
be7811ad | 396 | v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0 |
52204a0b | 397 | # addr_bit is the size of a target address as represented in gdb |
be7811ad | 398 | v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch): |
104c1213 | 399 | # |
8da614df CV |
400 | # dwarf2_addr_size is the target address size as used in the Dwarf debug |
401 | # info. For .debug_frame FDEs, this is supposed to be the target address | |
402 | # size from the associated CU header, and which is equivalent to the | |
403 | # DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. | |
404 | # Unfortunately there is no good way to determine this value. Therefore | |
405 | # dwarf2_addr_size simply defaults to the target pointer size. | |
406 | # | |
407 | # dwarf2_addr_size is not used for .eh_frame FDEs, which are generally | |
408 | # defined using the target's pointer size so far. | |
409 | # | |
410 | # Note that dwarf2_addr_size only needs to be redefined by a target if the | |
411 | # GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, | |
412 | # and if Dwarf versions < 4 need to be supported. | |
413 | v:int:dwarf2_addr_size:::sizeof (void*):0:gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT: | |
414 | # | |
4e409299 | 415 | # One if \`char' acts like \`signed char', zero if \`unsigned char'. |
97030eea | 416 | v:int:char_signed:::1:-1:1 |
4e409299 | 417 | # |
97030eea UW |
418 | F:CORE_ADDR:read_pc:struct regcache *regcache:regcache |
419 | F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val | |
39d4ef09 AC |
420 | # Function for getting target's idea of a frame pointer. FIXME: GDB's |
421 | # whole scheme for dealing with "frames" and "frame pointers" needs a | |
422 | # serious shakedown. | |
a54fba4c | 423 | 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 | 424 | # |
05d1431c | 425 | M:enum register_status:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf |
3543a589 TT |
426 | # Read a register into a new struct value. If the register is wholly |
427 | # or partly unavailable, this should call mark_value_bytes_unavailable | |
428 | # as appropriate. If this is defined, then pseudo_register_read will | |
429 | # never be called. | |
430 | M:struct value *:pseudo_register_read_value:struct regcache *regcache, int cookednum:regcache, cookednum | |
97030eea | 431 | M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf |
61a0eb5b | 432 | # |
97030eea | 433 | v:int:num_regs:::0:-1 |
0aba1244 EZ |
434 | # This macro gives the number of pseudo-registers that live in the |
435 | # register namespace but do not get fetched or stored on the target. | |
3d9a5942 AC |
436 | # These pseudo-registers may be aliases for other registers, |
437 | # combinations of other registers, or they may be computed by GDB. | |
97030eea | 438 | v:int:num_pseudo_regs:::0:0::0 |
c2169756 | 439 | |
175ff332 HZ |
440 | # Assemble agent expression bytecode to collect pseudo-register REG. |
441 | # Return -1 if something goes wrong, 0 otherwise. | |
442 | M:int:ax_pseudo_register_collect:struct agent_expr *ax, int reg:ax, reg | |
443 | ||
444 | # Assemble agent expression bytecode to push the value of pseudo-register | |
445 | # REG on the interpreter stack. | |
446 | # Return -1 if something goes wrong, 0 otherwise. | |
447 | M:int:ax_pseudo_register_push_stack:struct agent_expr *ax, int reg:ax, reg | |
448 | ||
c2169756 AC |
449 | # GDB's standard (or well known) register numbers. These can map onto |
450 | # a real register or a pseudo (computed) register or not be defined at | |
1200cd6e | 451 | # all (-1). |
3e8c568d | 452 | # gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. |
97030eea UW |
453 | v:int:sp_regnum:::-1:-1::0 |
454 | v:int:pc_regnum:::-1:-1::0 | |
455 | v:int:ps_regnum:::-1:-1::0 | |
456 | v:int:fp0_regnum:::0:-1::0 | |
88c72b7d | 457 | # Convert stab register number (from \`r\' declaration) to a gdb REGNUM. |
d3f73121 | 458 | m:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 459 | # Provide a default mapping from a ecoff register number to a gdb REGNUM. |
d3f73121 | 460 | m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 461 | # Convert from an sdb register number to an internal gdb register number. |
d3f73121 | 462 | m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0 |
ba2b1c56 | 463 | # Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
d3f73121 | 464 | m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0 |
d93859e2 | 465 | m:const char *:register_name:int regnr:regnr::0 |
9c04cab7 | 466 | |
7b9ee6a8 DJ |
467 | # Return the type of a register specified by the architecture. Only |
468 | # the register cache should call this function directly; others should | |
469 | # use "register_type". | |
97030eea | 470 | M:struct type *:register_type:int reg_nr:reg_nr |
9c04cab7 | 471 | |
669fac23 DJ |
472 | M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame |
473 | # Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete | |
064f5156 | 474 | # deprecated_fp_regnum. |
97030eea | 475 | v:int:deprecated_fp_regnum:::-1:-1::0 |
f3be58bc | 476 | |
97030eea UW |
477 | 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 |
478 | v:int:call_dummy_location::::AT_ENTRY_POINT::0 | |
479 | 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 | 480 | |
97030eea UW |
481 | 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 |
482 | M:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
483 | M:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
7c7651b2 AC |
484 | # MAP a GDB RAW register number onto a simulator register number. See |
485 | # also include/...-sim.h. | |
e7faf938 | 486 | m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0 |
64a3914f MD |
487 | m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0 |
488 | m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0 | |
eade6471 JB |
489 | |
490 | # Determine the address where a longjmp will land and save this address | |
491 | # in PC. Return nonzero on success. | |
492 | # | |
493 | # FRAME corresponds to the longjmp frame. | |
97030eea | 494 | F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc |
eade6471 | 495 | |
104c1213 | 496 | # |
97030eea | 497 | v:int:believe_pcc_promotion::::::: |
104c1213 | 498 | # |
0abe36f5 | 499 | m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0 |
8dccd430 | 500 | 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 | 501 | f:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0 |
9acbedc0 | 502 | # Construct a value representing the contents of register REGNUM in |
2ed3c037 | 503 | # frame FRAME_ID, interpreted as type TYPE. The routine needs to |
9acbedc0 UW |
504 | # allocate and return a struct value with all value attributes |
505 | # (but not the value contents) filled in. | |
2ed3c037 | 506 | m:struct value *:value_from_register:struct type *type, int regnum, struct frame_id frame_id:type, regnum, frame_id::default_value_from_register::0 |
104c1213 | 507 | # |
9898f801 UW |
508 | m:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0 |
509 | m:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0 | |
97030eea | 510 | M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf |
92ad9cd9 | 511 | |
6a3a010b MR |
512 | # Return the return-value convention that will be used by FUNCTION |
513 | # to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
514 | # case the return convention is computed based only on VALTYPE. |
515 | # | |
516 | # If READBUF is not NULL, extract the return value and save it in this buffer. | |
517 | # | |
518 | # If WRITEBUF is not NULL, it contains a return value which will be | |
519 | # stored into the appropriate register. This can be used when we want | |
520 | # to force the value returned by a function (see the "return" command | |
521 | # for instance). | |
6a3a010b | 522 | 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 | 523 | |
18648a37 YQ |
524 | # Return true if the return value of function is stored in the first hidden |
525 | # parameter. In theory, this feature should be language-dependent, specified | |
526 | # by language and its ABI, such as C++. Unfortunately, compiler may | |
527 | # implement it to a target-dependent feature. So that we need such hook here | |
528 | # to be aware of this in GDB. | |
529 | m:int:return_in_first_hidden_param_p:struct type *type:type::default_return_in_first_hidden_param_p::0 | |
530 | ||
6093d2eb | 531 | m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0 |
4309257c | 532 | M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip |
591a12a1 UW |
533 | # On some platforms, a single function may provide multiple entry points, |
534 | # e.g. one that is used for function-pointer calls and a different one | |
535 | # that is used for direct function calls. | |
536 | # In order to ensure that breakpoints set on the function will trigger | |
537 | # no matter via which entry point the function is entered, a platform | |
538 | # may provide the skip_entrypoint callback. It is called with IP set | |
539 | # to the main entry point of a function (as determined by the symbol table), | |
540 | # and should return the address of the innermost entry point, where the | |
541 | # actual breakpoint needs to be set. Note that skip_entrypoint is used | |
542 | # by GDB common code even when debugging optimized code, where skip_prologue | |
543 | # is not used. | |
544 | M:CORE_ADDR:skip_entrypoint:CORE_ADDR ip:ip | |
545 | ||
97030eea | 546 | f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0 |
67d57894 | 547 | m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0: |
a1dcb23a DJ |
548 | # Return the adjusted address and kind to use for Z0/Z1 packets. |
549 | # KIND is usually the memory length of the breakpoint, but may have a | |
550 | # different target-specific meaning. | |
0e05dfcb | 551 | m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0 |
97030eea | 552 | M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr |
ae4b2284 MD |
553 | m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0 |
554 | m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0 | |
97030eea | 555 | v:CORE_ADDR:decr_pc_after_break:::0:::0 |
782263ab AC |
556 | |
557 | # A function can be addressed by either it's "pointer" (possibly a | |
558 | # descriptor address) or "entry point" (first executable instruction). | |
559 | # The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 560 | # latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
561 | # a simplified subset of that functionality - the function's address |
562 | # corresponds to the "function pointer" and the function's start | |
563 | # corresponds to the "function entry point" - and hence is redundant. | |
564 | ||
97030eea | 565 | v:CORE_ADDR:deprecated_function_start_offset:::0:::0 |
782263ab | 566 | |
123dc839 DJ |
567 | # Return the remote protocol register number associated with this |
568 | # register. Normally the identity mapping. | |
97030eea | 569 | m:int:remote_register_number:int regno:regno::default_remote_register_number::0 |
123dc839 | 570 | |
b2756930 | 571 | # Fetch the target specific address used to represent a load module. |
97030eea | 572 | F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile |
104c1213 | 573 | # |
97030eea UW |
574 | v:CORE_ADDR:frame_args_skip:::0:::0 |
575 | M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame | |
576 | M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame | |
42efa47a AC |
577 | # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
578 | # frame-base. Enable frame-base before frame-unwind. | |
97030eea | 579 | F:int:frame_num_args:struct frame_info *frame:frame |
104c1213 | 580 | # |
97030eea UW |
581 | M:CORE_ADDR:frame_align:CORE_ADDR address:address |
582 | m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0 | |
583 | v:int:frame_red_zone_size | |
f0d4cc9e | 584 | # |
97030eea | 585 | 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 |
586 | # On some machines there are bits in addresses which are not really |
587 | # part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 588 | # for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
589 | # we get a "real" address such as one would find in a symbol table. |
590 | # This is used only for addresses of instructions, and even then I'm | |
591 | # not sure it's used in all contexts. It exists to deal with there | |
592 | # being a few stray bits in the PC which would mislead us, not as some | |
593 | # sort of generic thing to handle alignment or segmentation (it's | |
594 | # possible it should be in TARGET_READ_PC instead). | |
24568a2c | 595 | m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 |
e6590a1b UW |
596 | |
597 | # FIXME/cagney/2001-01-18: This should be split in two. A target method that | |
598 | # indicates if the target needs software single step. An ISA method to | |
599 | # implement it. | |
600 | # | |
601 | # FIXME/cagney/2001-01-18: This should be replaced with something that inserts | |
602 | # breakpoints using the breakpoint system instead of blatting memory directly | |
603 | # (as with rs6000). | |
64c4637f | 604 | # |
e6590a1b UW |
605 | # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
606 | # target can single step. If not, then implement single step using breakpoints. | |
64c4637f | 607 | # |
6f112b18 | 608 | # A return value of 1 means that the software_single_step breakpoints |
e6590a1b | 609 | # were inserted; 0 means they were not. |
97030eea | 610 | F:int:software_single_step:struct frame_info *frame:frame |
e6590a1b | 611 | |
3352ef37 AC |
612 | # Return non-zero if the processor is executing a delay slot and a |
613 | # further single-step is needed before the instruction finishes. | |
97030eea | 614 | M:int:single_step_through_delay:struct frame_info *frame:frame |
f6c40618 | 615 | # FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 616 | # disassembler. Perhaps objdump can handle it? |
97030eea UW |
617 | f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0: |
618 | f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0 | |
d50355b6 MS |
619 | |
620 | ||
cfd8ab24 | 621 | # If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
622 | # evaluates non-zero, this is the address where the debugger will place |
623 | # a step-resume breakpoint to get us past the dynamic linker. | |
97030eea | 624 | m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0 |
d50355b6 | 625 | # Some systems also have trampoline code for returning from shared libs. |
2c02bd72 | 626 | m:int:in_solib_return_trampoline:CORE_ADDR pc, const char *name:pc, name::generic_in_solib_return_trampoline::0 |
d50355b6 | 627 | |
c12260ac CV |
628 | # A target might have problems with watchpoints as soon as the stack |
629 | # frame of the current function has been destroyed. This mostly happens | |
630 | # as the first action in a funtion's epilogue. in_function_epilogue_p() | |
631 | # is defined to return a non-zero value if either the given addr is one | |
632 | # instruction after the stack destroying instruction up to the trailing | |
633 | # return instruction or if we can figure out that the stack frame has | |
634 | # already been invalidated regardless of the value of addr. Targets | |
635 | # which don't suffer from that problem could just let this functionality | |
636 | # untouched. | |
97030eea | 637 | m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0 |
97030eea UW |
638 | f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0 |
639 | f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 | |
97030eea UW |
640 | v:int:cannot_step_breakpoint:::0:0::0 |
641 | v:int:have_nonsteppable_watchpoint:::0:0::0 | |
642 | F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class | |
643 | M:const char *:address_class_type_flags_to_name:int type_flags:type_flags | |
69f97648 SM |
644 | |
645 | # Return the appropriate type_flags for the supplied address class. | |
646 | # This function should return 1 if the address class was recognized and | |
647 | # type_flags was set, zero otherwise. | |
97030eea | 648 | M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr |
b59ff9d5 | 649 | # Is a register in a group |
97030eea | 650 | m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0 |
f6214256 | 651 | # Fetch the pointer to the ith function argument. |
97030eea | 652 | F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
6ce6d90f | 653 | |
5aa82d05 AA |
654 | # Iterate over all supported register notes in a core file. For each |
655 | # supported register note section, the iterator must call CB and pass | |
656 | # CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit | |
657 | # the supported register note sections based on the current register | |
658 | # values. Otherwise it should enumerate all supported register note | |
659 | # sections. | |
660 | M:void:iterate_over_regset_sections:iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache:cb, cb_data, regcache | |
17ea7499 | 661 | |
6432734d UW |
662 | # Create core file notes |
663 | M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size | |
664 | ||
b3ac9c77 SDJ |
665 | # The elfcore writer hook to use to write Linux prpsinfo notes to core |
666 | # files. Most Linux architectures use the same prpsinfo32 or | |
667 | # prpsinfo64 layouts, and so won't need to provide this hook, as we | |
668 | # call the Linux generic routines in bfd to write prpsinfo notes by | |
669 | # default. | |
670 | F:char *:elfcore_write_linux_prpsinfo:bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info:obfd, note_data, note_size, info | |
671 | ||
35c2fab7 UW |
672 | # Find core file memory regions |
673 | M:int:find_memory_regions:find_memory_region_ftype func, void *data:func, data | |
674 | ||
de584861 | 675 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
c09f20e4 YQ |
676 | # core file into buffer READBUF with length LEN. Return the number of bytes read |
677 | # (zero indicates failure). | |
678 | # failed, otherwise, return the red length of READBUF. | |
679 | M:ULONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, ULONGEST len:readbuf, offset, len | |
de584861 | 680 | |
356a5233 JB |
681 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
682 | # libraries list from core file into buffer READBUF with length LEN. | |
c09f20e4 YQ |
683 | # Return the number of bytes read (zero indicates failure). |
684 | M:ULONGEST:core_xfer_shared_libraries_aix:gdb_byte *readbuf, ULONGEST offset, ULONGEST len:readbuf, offset, len | |
356a5233 | 685 | |
c0edd9ed | 686 | # How the core target converts a PTID from a core file to a string. |
28439f5e PA |
687 | M:char *:core_pid_to_str:ptid_t ptid:ptid |
688 | ||
a78c2d62 | 689 | # BFD target to use when generating a core file. |
86ba1042 | 690 | V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target) |
a78c2d62 | 691 | |
0d5de010 DJ |
692 | # If the elements of C++ vtables are in-place function descriptors rather |
693 | # than normal function pointers (which may point to code or a descriptor), | |
694 | # set this to one. | |
97030eea | 695 | v:int:vtable_function_descriptors:::0:0::0 |
0d5de010 DJ |
696 | |
697 | # Set if the least significant bit of the delta is used instead of the least | |
698 | # significant bit of the pfn for pointers to virtual member functions. | |
97030eea | 699 | v:int:vbit_in_delta:::0:0::0 |
6d350bb5 UW |
700 | |
701 | # Advance PC to next instruction in order to skip a permanent breakpoint. | |
97030eea | 702 | F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache |
1c772458 | 703 | |
1668ae25 | 704 | # The maximum length of an instruction on this architecture in bytes. |
237fc4c9 PA |
705 | V:ULONGEST:max_insn_length:::0:0 |
706 | ||
707 | # Copy the instruction at FROM to TO, and make any adjustments | |
708 | # necessary to single-step it at that address. | |
709 | # | |
710 | # REGS holds the state the thread's registers will have before | |
711 | # executing the copied instruction; the PC in REGS will refer to FROM, | |
712 | # not the copy at TO. The caller should update it to point at TO later. | |
713 | # | |
714 | # Return a pointer to data of the architecture's choice to be passed | |
715 | # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
716 | # the instruction's effects have been completely simulated, with the | |
717 | # resulting state written back to REGS. | |
718 | # | |
719 | # For a general explanation of displaced stepping and how GDB uses it, | |
720 | # see the comments in infrun.c. | |
721 | # | |
722 | # The TO area is only guaranteed to have space for | |
723 | # gdbarch_max_insn_length (arch) bytes, so this function must not | |
724 | # write more bytes than that to that area. | |
725 | # | |
726 | # If you do not provide this function, GDB assumes that the | |
727 | # architecture does not support displaced stepping. | |
728 | # | |
729 | # If your architecture doesn't need to adjust instructions before | |
730 | # single-stepping them, consider using simple_displaced_step_copy_insn | |
731 | # here. | |
732 | M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs | |
733 | ||
99e40580 UW |
734 | # Return true if GDB should use hardware single-stepping to execute |
735 | # the displaced instruction identified by CLOSURE. If false, | |
736 | # GDB will simply restart execution at the displaced instruction | |
737 | # location, and it is up to the target to ensure GDB will receive | |
738 | # control again (e.g. by placing a software breakpoint instruction | |
739 | # into the displaced instruction buffer). | |
740 | # | |
741 | # The default implementation returns false on all targets that | |
742 | # provide a gdbarch_software_single_step routine, and true otherwise. | |
743 | m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 | |
744 | ||
237fc4c9 PA |
745 | # Fix up the state resulting from successfully single-stepping a |
746 | # displaced instruction, to give the result we would have gotten from | |
747 | # stepping the instruction in its original location. | |
748 | # | |
749 | # REGS is the register state resulting from single-stepping the | |
750 | # displaced instruction. | |
751 | # | |
752 | # CLOSURE is the result from the matching call to | |
753 | # gdbarch_displaced_step_copy_insn. | |
754 | # | |
755 | # If you provide gdbarch_displaced_step_copy_insn.but not this | |
756 | # function, then GDB assumes that no fixup is needed after | |
757 | # single-stepping the instruction. | |
758 | # | |
759 | # For a general explanation of displaced stepping and how GDB uses it, | |
760 | # see the comments in infrun.c. | |
761 | M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL | |
762 | ||
763 | # Free a closure returned by gdbarch_displaced_step_copy_insn. | |
764 | # | |
765 | # If you provide gdbarch_displaced_step_copy_insn, you must provide | |
766 | # this function as well. | |
767 | # | |
768 | # If your architecture uses closures that don't need to be freed, then | |
769 | # you can use simple_displaced_step_free_closure here. | |
770 | # | |
771 | # For a general explanation of displaced stepping and how GDB uses it, | |
772 | # see the comments in infrun.c. | |
773 | m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) | |
774 | ||
775 | # Return the address of an appropriate place to put displaced | |
776 | # instructions while we step over them. There need only be one such | |
777 | # place, since we're only stepping one thread over a breakpoint at a | |
778 | # time. | |
779 | # | |
780 | # For a general explanation of displaced stepping and how GDB uses it, | |
781 | # see the comments in infrun.c. | |
782 | m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) | |
783 | ||
dde08ee1 PA |
784 | # Relocate an instruction to execute at a different address. OLDLOC |
785 | # is the address in the inferior memory where the instruction to | |
786 | # relocate is currently at. On input, TO points to the destination | |
787 | # where we want the instruction to be copied (and possibly adjusted) | |
788 | # to. On output, it points to one past the end of the resulting | |
789 | # instruction(s). The effect of executing the instruction at TO shall | |
790 | # be the same as if executing it at FROM. For example, call | |
791 | # instructions that implicitly push the return address on the stack | |
792 | # should be adjusted to return to the instruction after OLDLOC; | |
793 | # relative branches, and other PC-relative instructions need the | |
794 | # offset adjusted; etc. | |
795 | M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL | |
796 | ||
1c772458 | 797 | # Refresh overlay mapped state for section OSECT. |
97030eea | 798 | F:void:overlay_update:struct obj_section *osect:osect |
4eb0ad19 | 799 | |
97030eea | 800 | M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
149ad273 UW |
801 | |
802 | # Handle special encoding of static variables in stabs debug info. | |
0d5cff50 | 803 | F:const char *:static_transform_name:const char *name:name |
203c3895 | 804 | # Set if the address in N_SO or N_FUN stabs may be zero. |
97030eea | 805 | v:int:sofun_address_maybe_missing:::0:0::0 |
1cded358 | 806 | |
0508c3ec HZ |
807 | # Parse the instruction at ADDR storing in the record execution log |
808 | # the registers REGCACHE and memory ranges that will be affected when | |
809 | # the instruction executes, along with their current values. | |
810 | # Return -1 if something goes wrong, 0 otherwise. | |
811 | M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr | |
812 | ||
3846b520 HZ |
813 | # Save process state after a signal. |
814 | # Return -1 if something goes wrong, 0 otherwise. | |
2ea28649 | 815 | M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:regcache, signal |
3846b520 | 816 | |
22203bbf | 817 | # Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
818 | # into GDB's representation. The implementation of this method must |
819 | # be host independent. IOW, don't rely on symbols of the NAT_FILE | |
820 | # header (the nm-*.h files), the host <signal.h> header, or similar | |
821 | # headers. This is mainly used when cross-debugging core files --- | |
822 | # "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
823 | # (target_wait, target_resume, etc.). |
824 | M:enum gdb_signal:gdb_signal_from_target:int signo:signo | |
60c5725c | 825 | |
eb14d406 SDJ |
826 | # Signal translation: translate the GDB's internal signal number into |
827 | # the inferior's signal (target's) representation. The implementation | |
828 | # of this method must be host independent. IOW, don't rely on symbols | |
829 | # of the NAT_FILE header (the nm-*.h files), the host <signal.h> | |
830 | # header, or similar headers. | |
831 | # Return the target signal number if found, or -1 if the GDB internal | |
832 | # signal number is invalid. | |
833 | M:int:gdb_signal_to_target:enum gdb_signal signal:signal | |
834 | ||
4aa995e1 PA |
835 | # Extra signal info inspection. |
836 | # | |
837 | # Return a type suitable to inspect extra signal information. | |
838 | M:struct type *:get_siginfo_type:void: | |
839 | ||
60c5725c DJ |
840 | # Record architecture-specific information from the symbol table. |
841 | M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym | |
50c71eaf | 842 | |
a96d9b2e SDJ |
843 | # Function for the 'catch syscall' feature. |
844 | ||
845 | # Get architecture-specific system calls information from registers. | |
846 | M:LONGEST:get_syscall_number:ptid_t ptid:ptid | |
847 | ||
55aa24fb SDJ |
848 | # SystemTap related fields and functions. |
849 | ||
05c0465e SDJ |
850 | # A NULL-terminated array of prefixes used to mark an integer constant |
851 | # on the architecture's assembly. | |
55aa24fb SDJ |
852 | # For example, on x86 integer constants are written as: |
853 | # | |
854 | # \$10 ;; integer constant 10 | |
855 | # | |
856 | # in this case, this prefix would be the character \`\$\'. | |
05c0465e | 857 | v:const char *const *:stap_integer_prefixes:::0:0::0:pstring_list (gdbarch->stap_integer_prefixes) |
55aa24fb | 858 | |
05c0465e SDJ |
859 | # A NULL-terminated array of suffixes used to mark an integer constant |
860 | # on the architecture's assembly. | |
861 | v:const char *const *:stap_integer_suffixes:::0:0::0:pstring_list (gdbarch->stap_integer_suffixes) | |
55aa24fb | 862 | |
05c0465e SDJ |
863 | # A NULL-terminated array of prefixes used to mark a register name on |
864 | # the architecture's assembly. | |
55aa24fb SDJ |
865 | # For example, on x86 the register name is written as: |
866 | # | |
867 | # \%eax ;; register eax | |
868 | # | |
869 | # in this case, this prefix would be the character \`\%\'. | |
05c0465e | 870 | v:const char *const *:stap_register_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_prefixes) |
55aa24fb | 871 | |
05c0465e SDJ |
872 | # A NULL-terminated array of suffixes used to mark a register name on |
873 | # the architecture's assembly. | |
874 | v:const char *const *:stap_register_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_suffixes) | |
55aa24fb | 875 | |
05c0465e SDJ |
876 | # A NULL-terminated array of prefixes used to mark a register |
877 | # indirection on the architecture's assembly. | |
55aa24fb SDJ |
878 | # For example, on x86 the register indirection is written as: |
879 | # | |
880 | # \(\%eax\) ;; indirecting eax | |
881 | # | |
882 | # in this case, this prefix would be the charater \`\(\'. | |
883 | # | |
884 | # Please note that we use the indirection prefix also for register | |
885 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
05c0465e | 886 | v:const char *const *:stap_register_indirection_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_prefixes) |
55aa24fb | 887 | |
05c0465e SDJ |
888 | # A NULL-terminated array of suffixes used to mark a register |
889 | # indirection on the architecture's assembly. | |
55aa24fb SDJ |
890 | # For example, on x86 the register indirection is written as: |
891 | # | |
892 | # \(\%eax\) ;; indirecting eax | |
893 | # | |
894 | # in this case, this prefix would be the charater \`\)\'. | |
895 | # | |
896 | # Please note that we use the indirection suffix also for register | |
897 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
05c0465e | 898 | v:const char *const *:stap_register_indirection_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_suffixes) |
55aa24fb | 899 | |
05c0465e | 900 | # Prefix(es) used to name a register using GDB's nomenclature. |
55aa24fb SDJ |
901 | # |
902 | # For example, on PPC a register is represented by a number in the assembly | |
903 | # language (e.g., \`10\' is the 10th general-purpose register). However, | |
904 | # inside GDB this same register has an \`r\' appended to its name, so the 10th | |
905 | # register would be represented as \`r10\' internally. | |
08af7a40 | 906 | v:const char *:stap_gdb_register_prefix:::0:0::0:pstring (gdbarch->stap_gdb_register_prefix) |
55aa24fb SDJ |
907 | |
908 | # Suffix used to name a register using GDB's nomenclature. | |
08af7a40 | 909 | v:const char *:stap_gdb_register_suffix:::0:0::0:pstring (gdbarch->stap_gdb_register_suffix) |
55aa24fb SDJ |
910 | |
911 | # Check if S is a single operand. | |
912 | # | |
913 | # Single operands can be: | |
914 | # \- Literal integers, e.g. \`\$10\' on x86 | |
915 | # \- Register access, e.g. \`\%eax\' on x86 | |
916 | # \- Register indirection, e.g. \`\(\%eax\)\' on x86 | |
917 | # \- Register displacement, e.g. \`4\(\%eax\)\' on x86 | |
918 | # | |
919 | # This function should check for these patterns on the string | |
920 | # and return 1 if some were found, or zero otherwise. Please try to match | |
921 | # as much info as you can from the string, i.e., if you have to match | |
922 | # something like \`\(\%\', do not match just the \`\(\'. | |
923 | M:int:stap_is_single_operand:const char *s:s | |
924 | ||
925 | # Function used to handle a "special case" in the parser. | |
926 | # | |
927 | # A "special case" is considered to be an unknown token, i.e., a token | |
928 | # that the parser does not know how to parse. A good example of special | |
929 | # case would be ARM's register displacement syntax: | |
930 | # | |
931 | # [R0, #4] ;; displacing R0 by 4 | |
932 | # | |
933 | # Since the parser assumes that a register displacement is of the form: | |
934 | # | |
935 | # <number> <indirection_prefix> <register_name> <indirection_suffix> | |
936 | # | |
937 | # it means that it will not be able to recognize and parse this odd syntax. | |
938 | # Therefore, we should add a special case function that will handle this token. | |
939 | # | |
940 | # This function should generate the proper expression form of the expression | |
941 | # using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\' | |
942 | # and so on). It should also return 1 if the parsing was successful, or zero | |
943 | # if the token was not recognized as a special token (in this case, returning | |
944 | # zero means that the special parser is deferring the parsing to the generic | |
945 | # parser), and should advance the buffer pointer (p->arg). | |
946 | M:int:stap_parse_special_token:struct stap_parse_info *p:p | |
947 | ||
948 | ||
50c71eaf PA |
949 | # True if the list of shared libraries is one and only for all |
950 | # processes, as opposed to a list of shared libraries per inferior. | |
2567c7d9 PA |
951 | # This usually means that all processes, although may or may not share |
952 | # an address space, will see the same set of symbols at the same | |
953 | # addresses. | |
50c71eaf | 954 | v:int:has_global_solist:::0:0::0 |
2567c7d9 PA |
955 | |
956 | # On some targets, even though each inferior has its own private | |
957 | # address space, the debug interface takes care of making breakpoints | |
958 | # visible to all address spaces automatically. For such cases, | |
959 | # this property should be set to true. | |
960 | v:int:has_global_breakpoints:::0:0::0 | |
6c95b8df PA |
961 | |
962 | # True if inferiors share an address space (e.g., uClinux). | |
963 | m:int:has_shared_address_space:void:::default_has_shared_address_space::0 | |
7a697b8d SS |
964 | |
965 | # True if a fast tracepoint can be set at an address. | |
966 | m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 | |
75cebea9 | 967 | |
f870a310 TT |
968 | # Return the "auto" target charset. |
969 | f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0 | |
970 | # Return the "auto" target wide charset. | |
971 | f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0 | |
08105857 PA |
972 | |
973 | # If non-empty, this is a file extension that will be opened in place | |
974 | # of the file extension reported by the shared library list. | |
975 | # | |
976 | # This is most useful for toolchains that use a post-linker tool, | |
977 | # where the names of the files run on the target differ in extension | |
978 | # compared to the names of the files GDB should load for debug info. | |
979 | v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension) | |
ab38a727 PA |
980 | |
981 | # If true, the target OS has DOS-based file system semantics. That | |
982 | # is, absolute paths include a drive name, and the backslash is | |
983 | # considered a directory separator. | |
984 | v:int:has_dos_based_file_system:::0:0::0 | |
6710bf39 SS |
985 | |
986 | # Generate bytecodes to collect the return address in a frame. | |
987 | # Since the bytecodes run on the target, possibly with GDB not even | |
988 | # connected, the full unwinding machinery is not available, and | |
989 | # typically this function will issue bytecodes for one or more likely | |
990 | # places that the return address may be found. | |
991 | m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0 | |
992 | ||
3030c96e | 993 | # Implement the "info proc" command. |
7bc112c1 | 994 | M:void:info_proc:const char *args, enum info_proc_what what:args, what |
3030c96e | 995 | |
451b7c33 TT |
996 | # Implement the "info proc" command for core files. Noe that there |
997 | # are two "info_proc"-like methods on gdbarch -- one for core files, | |
998 | # one for live targets. | |
7bc112c1 | 999 | M:void:core_info_proc:const char *args, enum info_proc_what what:args, what |
451b7c33 | 1000 | |
19630284 JB |
1001 | # Iterate over all objfiles in the order that makes the most sense |
1002 | # for the architecture to make global symbol searches. | |
1003 | # | |
1004 | # CB is a callback function where OBJFILE is the objfile to be searched, | |
1005 | # and CB_DATA a pointer to user-defined data (the same data that is passed | |
1006 | # when calling this gdbarch method). The iteration stops if this function | |
1007 | # returns nonzero. | |
1008 | # | |
1009 | # CB_DATA is a pointer to some user-defined data to be passed to | |
1010 | # the callback. | |
1011 | # | |
1012 | # If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
1013 | # inspected when the symbol search was requested. | |
1014 | 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 | |
1015 | ||
7e35103a JB |
1016 | # Ravenscar arch-dependent ops. |
1017 | v:struct ravenscar_arch_ops *:ravenscar_ops:::NULL:NULL::0:host_address_to_string (gdbarch->ravenscar_ops) | |
c2170eef MM |
1018 | |
1019 | # Return non-zero if the instruction at ADDR is a call; zero otherwise. | |
1020 | m:int:insn_is_call:CORE_ADDR addr:addr::default_insn_is_call::0 | |
1021 | ||
1022 | # Return non-zero if the instruction at ADDR is a return; zero otherwise. | |
1023 | m:int:insn_is_ret:CORE_ADDR addr:addr::default_insn_is_ret::0 | |
1024 | ||
1025 | # Return non-zero if the instruction at ADDR is a jump; zero otherwise. | |
1026 | m:int:insn_is_jump:CORE_ADDR addr:addr::default_insn_is_jump::0 | |
27a48a92 MK |
1027 | |
1028 | # Read one auxv entry from *READPTR, not reading locations >= ENDPTR. | |
1029 | # Return 0 if *READPTR is already at the end of the buffer. | |
1030 | # Return -1 if there is insufficient buffer for a whole entry. | |
1031 | # Return 1 if an entry was read into *TYPEP and *VALP. | |
1032 | M:int:auxv_parse:gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp:readptr, endptr, typep, valp | |
3437254d PA |
1033 | |
1034 | # Find the address range of the current inferior's vsyscall/vDSO, and | |
1035 | # write it to *RANGE. If the vsyscall's length can't be determined, a | |
1036 | # range with zero length is returned. Returns true if the vsyscall is | |
1037 | # found, false otherwise. | |
1038 | m:int:vsyscall_range:struct mem_range *range:range::default_vsyscall_range::0 | |
104c1213 | 1039 | EOF |
104c1213 JM |
1040 | } |
1041 | ||
0b8f9e4d AC |
1042 | # |
1043 | # The .log file | |
1044 | # | |
1045 | exec > new-gdbarch.log | |
34620563 | 1046 | function_list | while do_read |
0b8f9e4d AC |
1047 | do |
1048 | cat <<EOF | |
2f9b146e | 1049 | ${class} ${returntype} ${function} ($formal) |
104c1213 | 1050 | EOF |
3d9a5942 AC |
1051 | for r in ${read} |
1052 | do | |
1053 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
1054 | done | |
f0d4cc9e | 1055 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 1056 | then |
66d659b1 | 1057 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
1058 | kill $$ |
1059 | exit 1 | |
1060 | fi | |
72e74a21 | 1061 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
1062 | then |
1063 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
1064 | kill $$ | |
1065 | exit 1 | |
1066 | fi | |
a72293e2 AC |
1067 | if class_is_multiarch_p |
1068 | then | |
1069 | if class_is_predicate_p ; then : | |
1070 | elif test "x${predefault}" = "x" | |
1071 | then | |
2f9b146e | 1072 | echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2 |
a72293e2 AC |
1073 | kill $$ |
1074 | exit 1 | |
1075 | fi | |
1076 | fi | |
3d9a5942 | 1077 | echo "" |
0b8f9e4d AC |
1078 | done |
1079 | ||
1080 | exec 1>&2 | |
1081 | compare_new gdbarch.log | |
1082 | ||
104c1213 JM |
1083 | |
1084 | copyright () | |
1085 | { | |
1086 | cat <<EOF | |
c4bfde41 JK |
1087 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
1088 | /* vi:set ro: */ | |
59233f88 | 1089 | |
104c1213 | 1090 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 1091 | |
ecd75fc8 | 1092 | Copyright (C) 1998-2014 Free Software Foundation, Inc. |
104c1213 JM |
1093 | |
1094 | This file is part of GDB. | |
1095 | ||
1096 | This program is free software; you can redistribute it and/or modify | |
1097 | it under the terms of the GNU General Public License as published by | |
50efebf8 | 1098 | the Free Software Foundation; either version 3 of the License, or |
104c1213 | 1099 | (at your option) any later version. |
50efebf8 | 1100 | |
104c1213 JM |
1101 | This program is distributed in the hope that it will be useful, |
1102 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
1103 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
1104 | GNU General Public License for more details. | |
50efebf8 | 1105 | |
104c1213 | 1106 | You should have received a copy of the GNU General Public License |
50efebf8 | 1107 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 | 1108 | |
104c1213 JM |
1109 | /* This file was created with the aid of \`\`gdbarch.sh''. |
1110 | ||
52204a0b | 1111 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
1112 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
1113 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
1114 | being reported. | |
1115 | ||
1116 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 1117 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 1118 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 1119 | easier. */ |
104c1213 JM |
1120 | |
1121 | EOF | |
1122 | } | |
1123 | ||
1124 | # | |
1125 | # The .h file | |
1126 | # | |
1127 | ||
1128 | exec > new-gdbarch.h | |
1129 | copyright | |
1130 | cat <<EOF | |
1131 | #ifndef GDBARCH_H | |
1132 | #define GDBARCH_H | |
1133 | ||
eb7a547a JB |
1134 | #include "frame.h" |
1135 | ||
da3331ec AC |
1136 | struct floatformat; |
1137 | struct ui_file; | |
104c1213 | 1138 | struct value; |
b6af0555 | 1139 | struct objfile; |
1c772458 | 1140 | struct obj_section; |
a2cf933a | 1141 | struct minimal_symbol; |
049ee0e4 | 1142 | struct regcache; |
b59ff9d5 | 1143 | struct reggroup; |
6ce6d90f | 1144 | struct regset; |
a89aa300 | 1145 | struct disassemble_info; |
e2d0e7eb | 1146 | struct target_ops; |
030f20e1 | 1147 | struct obstack; |
8181d85f | 1148 | struct bp_target_info; |
424163ea | 1149 | struct target_desc; |
237fc4c9 | 1150 | struct displaced_step_closure; |
17ea7499 | 1151 | struct core_regset_section; |
a96d9b2e | 1152 | struct syscall; |
175ff332 | 1153 | struct agent_expr; |
6710bf39 | 1154 | struct axs_value; |
55aa24fb | 1155 | struct stap_parse_info; |
7e35103a | 1156 | struct ravenscar_arch_ops; |
b3ac9c77 | 1157 | struct elf_internal_linux_prpsinfo; |
3437254d | 1158 | struct mem_range; |
104c1213 | 1159 | |
6ecd4729 PA |
1160 | /* The architecture associated with the inferior through the |
1161 | connection to the target. | |
1162 | ||
1163 | The architecture vector provides some information that is really a | |
1164 | property of the inferior, accessed through a particular target: | |
1165 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
1166 | vector; etc. To differentiate architecture accesses to | |
1167 | per-inferior/target properties from | |
1168 | per-thread/per-frame/per-objfile properties, accesses to | |
1169 | per-inferior/target properties should be made through this | |
1170 | gdbarch. */ | |
1171 | ||
1172 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 1173 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 | 1174 | |
19630284 JB |
1175 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
1176 | gdbarch method. */ | |
1177 | ||
1178 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
1179 | (struct objfile *objfile, void *cb_data); | |
5aa82d05 AA |
1180 | |
1181 | typedef void (iterate_over_regset_sections_cb) | |
8f0435f7 AA |
1182 | (const char *sect_name, int size, const struct regset *regset, |
1183 | const char *human_name, void *cb_data); | |
104c1213 JM |
1184 | EOF |
1185 | ||
1186 | # function typedef's | |
3d9a5942 AC |
1187 | printf "\n" |
1188 | printf "\n" | |
0963b4bd | 1189 | printf "/* The following are pre-initialized by GDBARCH. */\n" |
34620563 | 1190 | function_list | while do_read |
104c1213 | 1191 | do |
2ada493a AC |
1192 | if class_is_info_p |
1193 | then | |
3d9a5942 AC |
1194 | printf "\n" |
1195 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
0963b4bd | 1196 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" |
2ada493a | 1197 | fi |
104c1213 JM |
1198 | done |
1199 | ||
1200 | # function typedef's | |
3d9a5942 AC |
1201 | printf "\n" |
1202 | printf "\n" | |
0963b4bd | 1203 | printf "/* The following are initialized by the target dependent code. */\n" |
34620563 | 1204 | function_list | while do_read |
104c1213 | 1205 | do |
72e74a21 | 1206 | if [ -n "${comment}" ] |
34620563 AC |
1207 | then |
1208 | echo "${comment}" | sed \ | |
1209 | -e '2 s,#,/*,' \ | |
1210 | -e '3,$ s,#, ,' \ | |
1211 | -e '$ s,$, */,' | |
1212 | fi | |
412d5987 AC |
1213 | |
1214 | if class_is_predicate_p | |
2ada493a | 1215 | then |
412d5987 AC |
1216 | printf "\n" |
1217 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
4a5c6a1d | 1218 | fi |
2ada493a AC |
1219 | if class_is_variable_p |
1220 | then | |
3d9a5942 AC |
1221 | printf "\n" |
1222 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
1223 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
2ada493a AC |
1224 | fi |
1225 | if class_is_function_p | |
1226 | then | |
3d9a5942 | 1227 | printf "\n" |
72e74a21 | 1228 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
1229 | then |
1230 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
1231 | elif class_is_multiarch_p | |
1232 | then | |
1233 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
1234 | else | |
1235 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
1236 | fi | |
72e74a21 | 1237 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1238 | then |
3d9a5942 | 1239 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 1240 | else |
3d9a5942 | 1241 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 1242 | fi |
3d9a5942 | 1243 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
2ada493a | 1244 | fi |
104c1213 JM |
1245 | done |
1246 | ||
1247 | # close it off | |
1248 | cat <<EOF | |
1249 | ||
a96d9b2e SDJ |
1250 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1251 | #define UNKNOWN_SYSCALL (-1) | |
1252 | ||
104c1213 JM |
1253 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
1254 | ||
1255 | ||
1256 | /* Mechanism for co-ordinating the selection of a specific | |
1257 | architecture. | |
1258 | ||
1259 | GDB targets (*-tdep.c) can register an interest in a specific | |
1260 | architecture. Other GDB components can register a need to maintain | |
1261 | per-architecture data. | |
1262 | ||
1263 | The mechanisms below ensures that there is only a loose connection | |
1264 | between the set-architecture command and the various GDB | |
0fa6923a | 1265 | components. Each component can independently register their need |
104c1213 JM |
1266 | to maintain architecture specific data with gdbarch. |
1267 | ||
1268 | Pragmatics: | |
1269 | ||
1270 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1271 | didn't scale. | |
1272 | ||
1273 | The more traditional mega-struct containing architecture specific | |
1274 | data for all the various GDB components was also considered. Since | |
0fa6923a | 1275 | GDB is built from a variable number of (fairly independent) |
104c1213 | 1276 | components it was determined that the global aproach was not |
0963b4bd | 1277 | applicable. */ |
104c1213 JM |
1278 | |
1279 | ||
1280 | /* Register a new architectural family with GDB. | |
1281 | ||
1282 | Register support for the specified ARCHITECTURE with GDB. When | |
1283 | gdbarch determines that the specified architecture has been | |
1284 | selected, the corresponding INIT function is called. | |
1285 | ||
1286 | -- | |
1287 | ||
1288 | The INIT function takes two parameters: INFO which contains the | |
1289 | information available to gdbarch about the (possibly new) | |
1290 | architecture; ARCHES which is a list of the previously created | |
1291 | \`\`struct gdbarch'' for this architecture. | |
1292 | ||
0f79675b | 1293 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1294 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1295 | |
1296 | The ARCHES parameter is a linked list (sorted most recently used) | |
1297 | of all the previously created architures for this architecture | |
1298 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1299 | values from the previously selected architecture for this | |
59837fe0 | 1300 | architecture family. |
104c1213 JM |
1301 | |
1302 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1303 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1304 | gdbarch'' from the ARCHES list - indicating that the new |
1305 | architecture is just a synonym for an earlier architecture (see | |
1306 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1307 | - that describes the selected architecture (see gdbarch_alloc()). |
1308 | ||
1309 | The DUMP_TDEP function shall print out all target specific values. | |
1310 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1311 | multi-arch and non- multi-arch cases. */ |
104c1213 JM |
1312 | |
1313 | struct gdbarch_list | |
1314 | { | |
1315 | struct gdbarch *gdbarch; | |
1316 | struct gdbarch_list *next; | |
1317 | }; | |
1318 | ||
1319 | struct gdbarch_info | |
1320 | { | |
0963b4bd | 1321 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1322 | const struct bfd_arch_info *bfd_arch_info; |
1323 | ||
428721aa | 1324 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
94123b4f | 1325 | enum bfd_endian byte_order; |
104c1213 | 1326 | |
94123b4f | 1327 | enum bfd_endian byte_order_for_code; |
9d4fde75 | 1328 | |
0963b4bd | 1329 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1330 | bfd *abfd; |
1331 | ||
0963b4bd | 1332 | /* Use default: NULL (ZERO). */ |
104c1213 | 1333 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1334 | |
1335 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1336 | enum gdb_osabi osabi; | |
424163ea DJ |
1337 | |
1338 | /* Use default: NULL (ZERO). */ | |
1339 | const struct target_desc *target_desc; | |
104c1213 JM |
1340 | }; |
1341 | ||
1342 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1343 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1344 | |
4b9b3959 | 1345 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1346 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1347 | ||
4b9b3959 AC |
1348 | extern void gdbarch_register (enum bfd_architecture architecture, |
1349 | gdbarch_init_ftype *, | |
1350 | gdbarch_dump_tdep_ftype *); | |
1351 | ||
104c1213 | 1352 | |
b4a20239 AC |
1353 | /* Return a freshly allocated, NULL terminated, array of the valid |
1354 | architecture names. Since architectures are registered during the | |
1355 | _initialize phase this function only returns useful information | |
0963b4bd | 1356 | once initialization has been completed. */ |
b4a20239 AC |
1357 | |
1358 | extern const char **gdbarch_printable_names (void); | |
1359 | ||
1360 | ||
104c1213 | 1361 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1362 | matches the information provided by INFO. */ |
104c1213 | 1363 | |
424163ea | 1364 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
104c1213 JM |
1365 | |
1366 | ||
1367 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
424163ea | 1368 | basic initialization using values obtained from the INFO and TDEP |
104c1213 | 1369 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1370 | initialization of the object. */ |
104c1213 JM |
1371 | |
1372 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1373 | ||
1374 | ||
4b9b3959 AC |
1375 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1376 | It is assumed that the caller freeds the \`\`struct | |
0963b4bd | 1377 | gdbarch_tdep''. */ |
4b9b3959 | 1378 | |
058f20d5 JB |
1379 | extern void gdbarch_free (struct gdbarch *); |
1380 | ||
1381 | ||
aebd7893 AC |
1382 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1383 | obstack. The memory is freed when the corresponding architecture | |
1384 | is also freed. */ | |
1385 | ||
1386 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1387 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1388 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1389 | ||
1390 | ||
0963b4bd | 1391 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1392 | |
b732d07d AC |
1393 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1394 | architecture'' et.al., the existing architecture and BFD's default | |
1395 | architecture. INFO should be initialized to zero and then selected | |
1396 | fields should be updated. | |
104c1213 | 1397 | |
0963b4bd | 1398 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1399 | |
1400 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1401 | |
1402 | ||
ebdba546 AC |
1403 | /* Helper function. Find an architecture matching info. |
1404 | ||
1405 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1406 | set, and then finished using gdbarch_info_fill. | |
1407 | ||
1408 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1409 | architecture was found. */ |
ebdba546 AC |
1410 | |
1411 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1412 | ||
1413 | ||
aff68abb | 1414 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1415 | |
aff68abb | 1416 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1417 | |
104c1213 JM |
1418 | |
1419 | /* Register per-architecture data-pointer. | |
1420 | ||
1421 | Reserve space for a per-architecture data-pointer. An identifier | |
1422 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1423 | be saved in a local static variable. |
104c1213 | 1424 | |
fcc1c85c AC |
1425 | Memory for the per-architecture data shall be allocated using |
1426 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1427 | corresponding architecture object is deleted. | |
104c1213 | 1428 | |
95160752 AC |
1429 | When a previously created architecture is re-selected, the |
1430 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1431 | restored. INIT() is not re-called. |
104c1213 JM |
1432 | |
1433 | Multiple registrarants for any architecture are allowed (and | |
1434 | strongly encouraged). */ | |
1435 | ||
95160752 | 1436 | struct gdbarch_data; |
104c1213 | 1437 | |
030f20e1 AC |
1438 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1439 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1440 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1441 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1442 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1443 | struct gdbarch_data *data, | |
1444 | void *pointer); | |
104c1213 | 1445 | |
451fbdda | 1446 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1447 | |
1448 | ||
0fa6923a | 1449 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1450 | byte-order, ...) using information found in the BFD. */ |
104c1213 JM |
1451 | |
1452 | extern void set_gdbarch_from_file (bfd *); | |
1453 | ||
1454 | ||
e514a9d6 JM |
1455 | /* Initialize the current architecture to the "first" one we find on |
1456 | our list. */ | |
1457 | ||
1458 | extern void initialize_current_architecture (void); | |
1459 | ||
104c1213 | 1460 | /* gdbarch trace variable */ |
ccce17b0 | 1461 | extern unsigned int gdbarch_debug; |
104c1213 | 1462 | |
4b9b3959 | 1463 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1464 | |
1465 | #endif | |
1466 | EOF | |
1467 | exec 1>&2 | |
1468 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1469 | compare_new gdbarch.h |
104c1213 JM |
1470 | |
1471 | ||
1472 | # | |
1473 | # C file | |
1474 | # | |
1475 | ||
1476 | exec > new-gdbarch.c | |
1477 | copyright | |
1478 | cat <<EOF | |
1479 | ||
1480 | #include "defs.h" | |
7355ddba | 1481 | #include "arch-utils.h" |
104c1213 | 1482 | |
104c1213 | 1483 | #include "gdbcmd.h" |
faaf634c | 1484 | #include "inferior.h" |
104c1213 JM |
1485 | #include "symcat.h" |
1486 | ||
f0d4cc9e | 1487 | #include "floatformat.h" |
b59ff9d5 | 1488 | #include "reggroups.h" |
4be87837 | 1489 | #include "osabi.h" |
aebd7893 | 1490 | #include "gdb_obstack.h" |
383f836e | 1491 | #include "observer.h" |
a3ecef73 | 1492 | #include "regcache.h" |
19630284 | 1493 | #include "objfiles.h" |
95160752 | 1494 | |
104c1213 JM |
1495 | /* Static function declarations */ |
1496 | ||
b3cc3077 | 1497 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1498 | |
104c1213 JM |
1499 | /* Non-zero if we want to trace architecture code. */ |
1500 | ||
1501 | #ifndef GDBARCH_DEBUG | |
1502 | #define GDBARCH_DEBUG 0 | |
1503 | #endif | |
ccce17b0 | 1504 | unsigned int gdbarch_debug = GDBARCH_DEBUG; |
920d2a44 AC |
1505 | static void |
1506 | show_gdbarch_debug (struct ui_file *file, int from_tty, | |
1507 | struct cmd_list_element *c, const char *value) | |
1508 | { | |
1509 | fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); | |
1510 | } | |
104c1213 | 1511 | |
456fcf94 | 1512 | static const char * |
8da61cc4 | 1513 | pformat (const struct floatformat **format) |
456fcf94 AC |
1514 | { |
1515 | if (format == NULL) | |
1516 | return "(null)"; | |
1517 | else | |
8da61cc4 DJ |
1518 | /* Just print out one of them - this is only for diagnostics. */ |
1519 | return format[0]->name; | |
456fcf94 AC |
1520 | } |
1521 | ||
08105857 PA |
1522 | static const char * |
1523 | pstring (const char *string) | |
1524 | { | |
1525 | if (string == NULL) | |
1526 | return "(null)"; | |
1527 | return string; | |
05c0465e SDJ |
1528 | } |
1529 | ||
1530 | /* Helper function to print a list of strings, represented as "const | |
1531 | char *const *". The list is printed comma-separated. */ | |
1532 | ||
1533 | static char * | |
1534 | pstring_list (const char *const *list) | |
1535 | { | |
1536 | static char ret[100]; | |
1537 | const char *const *p; | |
1538 | size_t offset = 0; | |
1539 | ||
1540 | if (list == NULL) | |
1541 | return "(null)"; | |
1542 | ||
1543 | ret[0] = '\0'; | |
1544 | for (p = list; *p != NULL && offset < sizeof (ret); ++p) | |
1545 | { | |
1546 | size_t s = xsnprintf (ret + offset, sizeof (ret) - offset, "%s, ", *p); | |
1547 | offset += 2 + s; | |
1548 | } | |
1549 | ||
1550 | if (offset > 0) | |
1551 | { | |
1552 | gdb_assert (offset - 2 < sizeof (ret)); | |
1553 | ret[offset - 2] = '\0'; | |
1554 | } | |
1555 | ||
1556 | return ret; | |
08105857 PA |
1557 | } |
1558 | ||
104c1213 JM |
1559 | EOF |
1560 | ||
1561 | # gdbarch open the gdbarch object | |
3d9a5942 | 1562 | printf "\n" |
0963b4bd | 1563 | printf "/* Maintain the struct gdbarch object. */\n" |
3d9a5942 AC |
1564 | printf "\n" |
1565 | printf "struct gdbarch\n" | |
1566 | printf "{\n" | |
76860b5f AC |
1567 | printf " /* Has this architecture been fully initialized? */\n" |
1568 | printf " int initialized_p;\n" | |
aebd7893 AC |
1569 | printf "\n" |
1570 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1571 | printf " struct obstack *obstack;\n" | |
1572 | printf "\n" | |
0963b4bd | 1573 | printf " /* basic architectural information. */\n" |
34620563 | 1574 | function_list | while do_read |
104c1213 | 1575 | do |
2ada493a AC |
1576 | if class_is_info_p |
1577 | then | |
3d9a5942 | 1578 | printf " ${returntype} ${function};\n" |
2ada493a | 1579 | fi |
104c1213 | 1580 | done |
3d9a5942 | 1581 | printf "\n" |
0963b4bd | 1582 | printf " /* target specific vector. */\n" |
3d9a5942 AC |
1583 | printf " struct gdbarch_tdep *tdep;\n" |
1584 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1585 | printf "\n" | |
0963b4bd | 1586 | printf " /* per-architecture data-pointers. */\n" |
95160752 | 1587 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1588 | printf " void **data;\n" |
1589 | printf "\n" | |
104c1213 JM |
1590 | cat <<EOF |
1591 | /* Multi-arch values. | |
1592 | ||
1593 | When extending this structure you must: | |
1594 | ||
1595 | Add the field below. | |
1596 | ||
1597 | Declare set/get functions and define the corresponding | |
1598 | macro in gdbarch.h. | |
1599 | ||
1600 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1601 | initialize the new field. | |
1602 | ||
1603 | verify_gdbarch(): Confirm that the target updated the field | |
1604 | correctly. | |
1605 | ||
7e73cedf | 1606 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1607 | field is dumped out |
1608 | ||
104c1213 JM |
1609 | get_gdbarch(): Implement the set/get functions (probably using |
1610 | the macro's as shortcuts). | |
1611 | ||
1612 | */ | |
1613 | ||
1614 | EOF | |
34620563 | 1615 | function_list | while do_read |
104c1213 | 1616 | do |
2ada493a AC |
1617 | if class_is_variable_p |
1618 | then | |
3d9a5942 | 1619 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1620 | elif class_is_function_p |
1621 | then | |
2f9b146e | 1622 | printf " gdbarch_${function}_ftype *${function};\n" |
2ada493a | 1623 | fi |
104c1213 | 1624 | done |
3d9a5942 | 1625 | printf "};\n" |
104c1213 | 1626 | |
104c1213 | 1627 | # Create a new gdbarch struct |
104c1213 | 1628 | cat <<EOF |
7de2341d | 1629 | |
66b43ecb | 1630 | /* Create a new \`\`struct gdbarch'' based on information provided by |
0963b4bd | 1631 | \`\`struct gdbarch_info''. */ |
104c1213 | 1632 | EOF |
3d9a5942 | 1633 | printf "\n" |
104c1213 JM |
1634 | cat <<EOF |
1635 | struct gdbarch * | |
1636 | gdbarch_alloc (const struct gdbarch_info *info, | |
1637 | struct gdbarch_tdep *tdep) | |
1638 | { | |
be7811ad | 1639 | struct gdbarch *gdbarch; |
aebd7893 AC |
1640 | |
1641 | /* Create an obstack for allocating all the per-architecture memory, | |
1642 | then use that to allocate the architecture vector. */ | |
70ba0933 | 1643 | struct obstack *obstack = XNEW (struct obstack); |
aebd7893 | 1644 | obstack_init (obstack); |
be7811ad MD |
1645 | gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
1646 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1647 | gdbarch->obstack = obstack; | |
85de9627 | 1648 | |
be7811ad | 1649 | alloc_gdbarch_data (gdbarch); |
85de9627 | 1650 | |
be7811ad | 1651 | gdbarch->tdep = tdep; |
104c1213 | 1652 | EOF |
3d9a5942 | 1653 | printf "\n" |
34620563 | 1654 | function_list | while do_read |
104c1213 | 1655 | do |
2ada493a AC |
1656 | if class_is_info_p |
1657 | then | |
be7811ad | 1658 | printf " gdbarch->${function} = info->${function};\n" |
2ada493a | 1659 | fi |
104c1213 | 1660 | done |
3d9a5942 | 1661 | printf "\n" |
0963b4bd | 1662 | printf " /* Force the explicit initialization of these. */\n" |
34620563 | 1663 | function_list | while do_read |
104c1213 | 1664 | do |
2ada493a AC |
1665 | if class_is_function_p || class_is_variable_p |
1666 | then | |
72e74a21 | 1667 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1668 | then |
be7811ad | 1669 | printf " gdbarch->${function} = ${predefault};\n" |
104c1213 | 1670 | fi |
2ada493a | 1671 | fi |
104c1213 JM |
1672 | done |
1673 | cat <<EOF | |
1674 | /* gdbarch_alloc() */ | |
1675 | ||
be7811ad | 1676 | return gdbarch; |
104c1213 JM |
1677 | } |
1678 | EOF | |
1679 | ||
058f20d5 | 1680 | # Free a gdbarch struct. |
3d9a5942 AC |
1681 | printf "\n" |
1682 | printf "\n" | |
058f20d5 | 1683 | cat <<EOF |
aebd7893 AC |
1684 | /* Allocate extra space using the per-architecture obstack. */ |
1685 | ||
1686 | void * | |
1687 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1688 | { | |
1689 | void *data = obstack_alloc (arch->obstack, size); | |
05c547f6 | 1690 | |
aebd7893 AC |
1691 | memset (data, 0, size); |
1692 | return data; | |
1693 | } | |
1694 | ||
1695 | ||
058f20d5 JB |
1696 | /* Free a gdbarch struct. This should never happen in normal |
1697 | operation --- once you've created a gdbarch, you keep it around. | |
1698 | However, if an architecture's init function encounters an error | |
1699 | building the structure, it may need to clean up a partially | |
1700 | constructed gdbarch. */ | |
4b9b3959 | 1701 | |
058f20d5 JB |
1702 | void |
1703 | gdbarch_free (struct gdbarch *arch) | |
1704 | { | |
aebd7893 | 1705 | struct obstack *obstack; |
05c547f6 | 1706 | |
95160752 | 1707 | gdb_assert (arch != NULL); |
aebd7893 AC |
1708 | gdb_assert (!arch->initialized_p); |
1709 | obstack = arch->obstack; | |
1710 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1711 | xfree (obstack); | |
058f20d5 JB |
1712 | } |
1713 | EOF | |
1714 | ||
104c1213 | 1715 | # verify a new architecture |
104c1213 | 1716 | cat <<EOF |
db446970 AC |
1717 | |
1718 | ||
1719 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1720 | ||
104c1213 | 1721 | static void |
be7811ad | 1722 | verify_gdbarch (struct gdbarch *gdbarch) |
104c1213 | 1723 | { |
f16a1923 AC |
1724 | struct ui_file *log; |
1725 | struct cleanup *cleanups; | |
759ef836 | 1726 | long length; |
f16a1923 | 1727 | char *buf; |
05c547f6 | 1728 | |
f16a1923 AC |
1729 | log = mem_fileopen (); |
1730 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1731 | /* fundamental */ |
be7811ad | 1732 | if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1733 | fprintf_unfiltered (log, "\n\tbyte-order"); |
be7811ad | 1734 | if (gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1735 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
0963b4bd | 1736 | /* Check those that need to be defined for the given multi-arch level. */ |
104c1213 | 1737 | EOF |
34620563 | 1738 | function_list | while do_read |
104c1213 | 1739 | do |
2ada493a AC |
1740 | if class_is_function_p || class_is_variable_p |
1741 | then | |
72e74a21 | 1742 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1743 | then |
3d9a5942 | 1744 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1745 | elif class_is_predicate_p |
1746 | then | |
0963b4bd | 1747 | printf " /* Skip verify of ${function}, has predicate. */\n" |
f0d4cc9e | 1748 | # FIXME: See do_read for potential simplification |
72e74a21 | 1749 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1750 | then |
3d9a5942 | 1751 | printf " if (${invalid_p})\n" |
be7811ad | 1752 | printf " gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1753 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1754 | then |
be7811ad MD |
1755 | printf " if (gdbarch->${function} == ${predefault})\n" |
1756 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1757 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1758 | then |
be7811ad MD |
1759 | printf " if (gdbarch->${function} == 0)\n" |
1760 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1761 | elif [ -n "${invalid_p}" ] |
104c1213 | 1762 | then |
4d60522e | 1763 | printf " if (${invalid_p})\n" |
f16a1923 | 1764 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1765 | elif [ -n "${predefault}" ] |
104c1213 | 1766 | then |
be7811ad | 1767 | printf " if (gdbarch->${function} == ${predefault})\n" |
f16a1923 | 1768 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1769 | fi |
2ada493a | 1770 | fi |
104c1213 JM |
1771 | done |
1772 | cat <<EOF | |
759ef836 | 1773 | buf = ui_file_xstrdup (log, &length); |
f16a1923 | 1774 | make_cleanup (xfree, buf); |
759ef836 | 1775 | if (length > 0) |
f16a1923 | 1776 | internal_error (__FILE__, __LINE__, |
85c07804 | 1777 | _("verify_gdbarch: the following are invalid ...%s"), |
f16a1923 AC |
1778 | buf); |
1779 | do_cleanups (cleanups); | |
104c1213 JM |
1780 | } |
1781 | EOF | |
1782 | ||
1783 | # dump the structure | |
3d9a5942 AC |
1784 | printf "\n" |
1785 | printf "\n" | |
104c1213 | 1786 | cat <<EOF |
0963b4bd | 1787 | /* Print out the details of the current architecture. */ |
4b9b3959 | 1788 | |
104c1213 | 1789 | void |
be7811ad | 1790 | gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
104c1213 | 1791 | { |
b78960be | 1792 | const char *gdb_nm_file = "<not-defined>"; |
05c547f6 | 1793 | |
b78960be AC |
1794 | #if defined (GDB_NM_FILE) |
1795 | gdb_nm_file = GDB_NM_FILE; | |
1796 | #endif | |
1797 | fprintf_unfiltered (file, | |
1798 | "gdbarch_dump: GDB_NM_FILE = %s\\n", | |
1799 | gdb_nm_file); | |
104c1213 | 1800 | EOF |
97030eea | 1801 | function_list | sort -t: -k 3 | while do_read |
104c1213 | 1802 | do |
1e9f55d0 AC |
1803 | # First the predicate |
1804 | if class_is_predicate_p | |
1805 | then | |
7996bcec | 1806 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1807 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
be7811ad | 1808 | printf " gdbarch_${function}_p (gdbarch));\n" |
08e45a40 | 1809 | fi |
48f7351b | 1810 | # Print the corresponding value. |
283354d8 | 1811 | if class_is_function_p |
4b9b3959 | 1812 | then |
7996bcec | 1813 | printf " fprintf_unfiltered (file,\n" |
30737ed9 JB |
1814 | printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
1815 | printf " host_address_to_string (gdbarch->${function}));\n" | |
4b9b3959 | 1816 | else |
48f7351b | 1817 | # It is a variable |
2f9b146e AC |
1818 | case "${print}:${returntype}" in |
1819 | :CORE_ADDR ) | |
0b1553bc UW |
1820 | fmt="%s" |
1821 | print="core_addr_to_string_nz (gdbarch->${function})" | |
48f7351b | 1822 | ;; |
2f9b146e | 1823 | :* ) |
48f7351b | 1824 | fmt="%s" |
623d3eb1 | 1825 | print="plongest (gdbarch->${function})" |
48f7351b AC |
1826 | ;; |
1827 | * ) | |
2f9b146e | 1828 | fmt="%s" |
48f7351b AC |
1829 | ;; |
1830 | esac | |
3d9a5942 | 1831 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1832 | printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
3d9a5942 | 1833 | printf " ${print});\n" |
2ada493a | 1834 | fi |
104c1213 | 1835 | done |
381323f4 | 1836 | cat <<EOF |
be7811ad MD |
1837 | if (gdbarch->dump_tdep != NULL) |
1838 | gdbarch->dump_tdep (gdbarch, file); | |
381323f4 AC |
1839 | } |
1840 | EOF | |
104c1213 JM |
1841 | |
1842 | ||
1843 | # GET/SET | |
3d9a5942 | 1844 | printf "\n" |
104c1213 JM |
1845 | cat <<EOF |
1846 | struct gdbarch_tdep * | |
1847 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1848 | { | |
1849 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1850 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1851 | return gdbarch->tdep; |
1852 | } | |
1853 | EOF | |
3d9a5942 | 1854 | printf "\n" |
34620563 | 1855 | function_list | while do_read |
104c1213 | 1856 | do |
2ada493a AC |
1857 | if class_is_predicate_p |
1858 | then | |
3d9a5942 AC |
1859 | printf "\n" |
1860 | printf "int\n" | |
1861 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1862 | printf "{\n" | |
8de9bdc4 | 1863 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1864 | printf " return ${predicate};\n" |
3d9a5942 | 1865 | printf "}\n" |
2ada493a AC |
1866 | fi |
1867 | if class_is_function_p | |
1868 | then | |
3d9a5942 AC |
1869 | printf "\n" |
1870 | printf "${returntype}\n" | |
72e74a21 | 1871 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1872 | then |
3d9a5942 | 1873 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1874 | else |
3d9a5942 | 1875 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1876 | fi |
3d9a5942 | 1877 | printf "{\n" |
8de9bdc4 | 1878 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1879 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1880 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1881 | then |
1882 | # Allow a call to a function with a predicate. | |
956ac328 | 1883 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1884 | fi |
3d9a5942 AC |
1885 | printf " if (gdbarch_debug >= 2)\n" |
1886 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1887 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1888 | then |
1889 | if class_is_multiarch_p | |
1890 | then | |
1891 | params="gdbarch" | |
1892 | else | |
1893 | params="" | |
1894 | fi | |
1895 | else | |
1896 | if class_is_multiarch_p | |
1897 | then | |
1898 | params="gdbarch, ${actual}" | |
1899 | else | |
1900 | params="${actual}" | |
1901 | fi | |
1902 | fi | |
72e74a21 | 1903 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1904 | then |
4a5c6a1d | 1905 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1906 | else |
4a5c6a1d | 1907 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1908 | fi |
3d9a5942 AC |
1909 | printf "}\n" |
1910 | printf "\n" | |
1911 | printf "void\n" | |
1912 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1913 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1914 | printf "{\n" | |
1915 | printf " gdbarch->${function} = ${function};\n" | |
1916 | printf "}\n" | |
2ada493a AC |
1917 | elif class_is_variable_p |
1918 | then | |
3d9a5942 AC |
1919 | printf "\n" |
1920 | printf "${returntype}\n" | |
1921 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1922 | printf "{\n" | |
8de9bdc4 | 1923 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1924 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1925 | then |
3d9a5942 | 1926 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1927 | elif [ -n "${invalid_p}" ] |
104c1213 | 1928 | then |
956ac328 AC |
1929 | printf " /* Check variable is valid. */\n" |
1930 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1931 | elif [ -n "${predefault}" ] |
104c1213 | 1932 | then |
956ac328 AC |
1933 | printf " /* Check variable changed from pre-default. */\n" |
1934 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1935 | fi |
3d9a5942 AC |
1936 | printf " if (gdbarch_debug >= 2)\n" |
1937 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1938 | printf " return gdbarch->${function};\n" | |
1939 | printf "}\n" | |
1940 | printf "\n" | |
1941 | printf "void\n" | |
1942 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1943 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
1944 | printf "{\n" | |
1945 | printf " gdbarch->${function} = ${function};\n" | |
1946 | printf "}\n" | |
2ada493a AC |
1947 | elif class_is_info_p |
1948 | then | |
3d9a5942 AC |
1949 | printf "\n" |
1950 | printf "${returntype}\n" | |
1951 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1952 | printf "{\n" | |
8de9bdc4 | 1953 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
1954 | printf " if (gdbarch_debug >= 2)\n" |
1955 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1956 | printf " return gdbarch->${function};\n" | |
1957 | printf "}\n" | |
2ada493a | 1958 | fi |
104c1213 JM |
1959 | done |
1960 | ||
1961 | # All the trailing guff | |
1962 | cat <<EOF | |
1963 | ||
1964 | ||
f44c642f | 1965 | /* Keep a registry of per-architecture data-pointers required by GDB |
0963b4bd | 1966 | modules. */ |
104c1213 JM |
1967 | |
1968 | struct gdbarch_data | |
1969 | { | |
95160752 | 1970 | unsigned index; |
76860b5f | 1971 | int init_p; |
030f20e1 AC |
1972 | gdbarch_data_pre_init_ftype *pre_init; |
1973 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
1974 | }; |
1975 | ||
1976 | struct gdbarch_data_registration | |
1977 | { | |
104c1213 JM |
1978 | struct gdbarch_data *data; |
1979 | struct gdbarch_data_registration *next; | |
1980 | }; | |
1981 | ||
f44c642f | 1982 | struct gdbarch_data_registry |
104c1213 | 1983 | { |
95160752 | 1984 | unsigned nr; |
104c1213 JM |
1985 | struct gdbarch_data_registration *registrations; |
1986 | }; | |
1987 | ||
f44c642f | 1988 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
1989 | { |
1990 | 0, NULL, | |
1991 | }; | |
1992 | ||
030f20e1 AC |
1993 | static struct gdbarch_data * |
1994 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
1995 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
1996 | { |
1997 | struct gdbarch_data_registration **curr; | |
05c547f6 MS |
1998 | |
1999 | /* Append the new registration. */ | |
f44c642f | 2000 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
2001 | (*curr) != NULL; |
2002 | curr = &(*curr)->next); | |
70ba0933 | 2003 | (*curr) = XNEW (struct gdbarch_data_registration); |
104c1213 | 2004 | (*curr)->next = NULL; |
70ba0933 | 2005 | (*curr)->data = XNEW (struct gdbarch_data); |
f44c642f | 2006 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
2007 | (*curr)->data->pre_init = pre_init; |
2008 | (*curr)->data->post_init = post_init; | |
76860b5f | 2009 | (*curr)->data->init_p = 1; |
104c1213 JM |
2010 | return (*curr)->data; |
2011 | } | |
2012 | ||
030f20e1 AC |
2013 | struct gdbarch_data * |
2014 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
2015 | { | |
2016 | return gdbarch_data_register (pre_init, NULL); | |
2017 | } | |
2018 | ||
2019 | struct gdbarch_data * | |
2020 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
2021 | { | |
2022 | return gdbarch_data_register (NULL, post_init); | |
2023 | } | |
104c1213 | 2024 | |
0963b4bd | 2025 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
2026 | |
2027 | static void | |
b3cc3077 | 2028 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 2029 | { |
b3cc3077 JB |
2030 | gdb_assert (gdbarch->data == NULL); |
2031 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 2032 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 2033 | } |
3c875b6f | 2034 | |
76860b5f | 2035 | /* Initialize the current value of the specified per-architecture |
0963b4bd | 2036 | data-pointer. */ |
b3cc3077 | 2037 | |
95160752 | 2038 | void |
030f20e1 AC |
2039 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
2040 | struct gdbarch_data *data, | |
2041 | void *pointer) | |
95160752 AC |
2042 | { |
2043 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 2044 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 2045 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
2046 | gdbarch->data[data->index] = pointer; |
2047 | } | |
2048 | ||
104c1213 | 2049 | /* Return the current value of the specified per-architecture |
0963b4bd | 2050 | data-pointer. */ |
104c1213 JM |
2051 | |
2052 | void * | |
451fbdda | 2053 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 2054 | { |
451fbdda | 2055 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 2056 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 2057 | { |
030f20e1 AC |
2058 | /* The data-pointer isn't initialized, call init() to get a |
2059 | value. */ | |
2060 | if (data->pre_init != NULL) | |
2061 | /* Mid architecture creation: pass just the obstack, and not | |
2062 | the entire architecture, as that way it isn't possible for | |
2063 | pre-init code to refer to undefined architecture | |
2064 | fields. */ | |
2065 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
2066 | else if (gdbarch->initialized_p | |
2067 | && data->post_init != NULL) | |
2068 | /* Post architecture creation: pass the entire architecture | |
2069 | (as all fields are valid), but be careful to also detect | |
2070 | recursive references. */ | |
2071 | { | |
2072 | gdb_assert (data->init_p); | |
2073 | data->init_p = 0; | |
2074 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
2075 | data->init_p = 1; | |
2076 | } | |
2077 | else | |
2078 | /* The architecture initialization hasn't completed - punt - | |
2079 | hope that the caller knows what they are doing. Once | |
2080 | deprecated_set_gdbarch_data has been initialized, this can be | |
2081 | changed to an internal error. */ | |
2082 | return NULL; | |
76860b5f AC |
2083 | gdb_assert (gdbarch->data[data->index] != NULL); |
2084 | } | |
451fbdda | 2085 | return gdbarch->data[data->index]; |
104c1213 JM |
2086 | } |
2087 | ||
2088 | ||
0963b4bd | 2089 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 2090 | |
4b9b3959 | 2091 | struct gdbarch_registration |
104c1213 JM |
2092 | { |
2093 | enum bfd_architecture bfd_architecture; | |
2094 | gdbarch_init_ftype *init; | |
4b9b3959 | 2095 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 2096 | struct gdbarch_list *arches; |
4b9b3959 | 2097 | struct gdbarch_registration *next; |
104c1213 JM |
2098 | }; |
2099 | ||
f44c642f | 2100 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 2101 | |
b4a20239 AC |
2102 | static void |
2103 | append_name (const char ***buf, int *nr, const char *name) | |
2104 | { | |
2105 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
2106 | (*buf)[*nr] = name; | |
2107 | *nr += 1; | |
2108 | } | |
2109 | ||
2110 | const char ** | |
2111 | gdbarch_printable_names (void) | |
2112 | { | |
7996bcec | 2113 | /* Accumulate a list of names based on the registed list of |
0963b4bd | 2114 | architectures. */ |
7996bcec AC |
2115 | int nr_arches = 0; |
2116 | const char **arches = NULL; | |
2117 | struct gdbarch_registration *rego; | |
05c547f6 | 2118 | |
7996bcec AC |
2119 | for (rego = gdbarch_registry; |
2120 | rego != NULL; | |
2121 | rego = rego->next) | |
b4a20239 | 2122 | { |
7996bcec AC |
2123 | const struct bfd_arch_info *ap; |
2124 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2125 | if (ap == NULL) | |
2126 | internal_error (__FILE__, __LINE__, | |
85c07804 | 2127 | _("gdbarch_architecture_names: multi-arch unknown")); |
7996bcec AC |
2128 | do |
2129 | { | |
2130 | append_name (&arches, &nr_arches, ap->printable_name); | |
2131 | ap = ap->next; | |
2132 | } | |
2133 | while (ap != NULL); | |
b4a20239 | 2134 | } |
7996bcec AC |
2135 | append_name (&arches, &nr_arches, NULL); |
2136 | return arches; | |
b4a20239 AC |
2137 | } |
2138 | ||
2139 | ||
104c1213 | 2140 | void |
4b9b3959 AC |
2141 | gdbarch_register (enum bfd_architecture bfd_architecture, |
2142 | gdbarch_init_ftype *init, | |
2143 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 2144 | { |
4b9b3959 | 2145 | struct gdbarch_registration **curr; |
104c1213 | 2146 | const struct bfd_arch_info *bfd_arch_info; |
05c547f6 | 2147 | |
ec3d358c | 2148 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
2149 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
2150 | if (bfd_arch_info == NULL) | |
2151 | { | |
8e65ff28 | 2152 | internal_error (__FILE__, __LINE__, |
0963b4bd MS |
2153 | _("gdbarch: Attempt to register " |
2154 | "unknown architecture (%d)"), | |
8e65ff28 | 2155 | bfd_architecture); |
104c1213 | 2156 | } |
0963b4bd | 2157 | /* Check that we haven't seen this architecture before. */ |
f44c642f | 2158 | for (curr = &gdbarch_registry; |
104c1213 JM |
2159 | (*curr) != NULL; |
2160 | curr = &(*curr)->next) | |
2161 | { | |
2162 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 | 2163 | internal_error (__FILE__, __LINE__, |
64b9b334 | 2164 | _("gdbarch: Duplicate registration " |
0963b4bd | 2165 | "of architecture (%s)"), |
8e65ff28 | 2166 | bfd_arch_info->printable_name); |
104c1213 JM |
2167 | } |
2168 | /* log it */ | |
2169 | if (gdbarch_debug) | |
30737ed9 | 2170 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
104c1213 | 2171 | bfd_arch_info->printable_name, |
30737ed9 | 2172 | host_address_to_string (init)); |
104c1213 | 2173 | /* Append it */ |
70ba0933 | 2174 | (*curr) = XNEW (struct gdbarch_registration); |
104c1213 JM |
2175 | (*curr)->bfd_architecture = bfd_architecture; |
2176 | (*curr)->init = init; | |
4b9b3959 | 2177 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
2178 | (*curr)->arches = NULL; |
2179 | (*curr)->next = NULL; | |
4b9b3959 AC |
2180 | } |
2181 | ||
2182 | void | |
2183 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
2184 | gdbarch_init_ftype *init) | |
2185 | { | |
2186 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 2187 | } |
104c1213 JM |
2188 | |
2189 | ||
424163ea | 2190 | /* Look for an architecture using gdbarch_info. */ |
104c1213 JM |
2191 | |
2192 | struct gdbarch_list * | |
2193 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
2194 | const struct gdbarch_info *info) | |
2195 | { | |
2196 | for (; arches != NULL; arches = arches->next) | |
2197 | { | |
2198 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
2199 | continue; | |
2200 | if (info->byte_order != arches->gdbarch->byte_order) | |
2201 | continue; | |
4be87837 DJ |
2202 | if (info->osabi != arches->gdbarch->osabi) |
2203 | continue; | |
424163ea DJ |
2204 | if (info->target_desc != arches->gdbarch->target_desc) |
2205 | continue; | |
104c1213 JM |
2206 | return arches; |
2207 | } | |
2208 | return NULL; | |
2209 | } | |
2210 | ||
2211 | ||
ebdba546 | 2212 | /* Find an architecture that matches the specified INFO. Create a new |
59837fe0 | 2213 | architecture if needed. Return that new architecture. */ |
104c1213 | 2214 | |
59837fe0 UW |
2215 | struct gdbarch * |
2216 | gdbarch_find_by_info (struct gdbarch_info info) | |
104c1213 JM |
2217 | { |
2218 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 2219 | struct gdbarch_registration *rego; |
104c1213 | 2220 | |
b732d07d | 2221 | /* Fill in missing parts of the INFO struct using a number of |
7a107747 DJ |
2222 | sources: "set ..."; INFOabfd supplied; and the global |
2223 | defaults. */ | |
2224 | gdbarch_info_fill (&info); | |
4be87837 | 2225 | |
0963b4bd | 2226 | /* Must have found some sort of architecture. */ |
b732d07d | 2227 | gdb_assert (info.bfd_arch_info != NULL); |
104c1213 JM |
2228 | |
2229 | if (gdbarch_debug) | |
2230 | { | |
2231 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2232 | "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
2233 | (info.bfd_arch_info != NULL |
2234 | ? info.bfd_arch_info->printable_name | |
2235 | : "(null)")); | |
2236 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2237 | "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
104c1213 | 2238 | info.byte_order, |
d7449b42 | 2239 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 2240 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 2241 | : "default")); |
4be87837 | 2242 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2243 | "gdbarch_find_by_info: info.osabi %d (%s)\n", |
4be87837 | 2244 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 2245 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2246 | "gdbarch_find_by_info: info.abfd %s\n", |
30737ed9 | 2247 | host_address_to_string (info.abfd)); |
104c1213 | 2248 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2249 | "gdbarch_find_by_info: info.tdep_info %s\n", |
30737ed9 | 2250 | host_address_to_string (info.tdep_info)); |
104c1213 JM |
2251 | } |
2252 | ||
ebdba546 | 2253 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
2254 | for (rego = gdbarch_registry; |
2255 | rego != NULL; | |
2256 | rego = rego->next) | |
2257 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
2258 | break; | |
2259 | if (rego == NULL) | |
2260 | { | |
2261 | if (gdbarch_debug) | |
59837fe0 | 2262 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 | 2263 | "No matching architecture\n"); |
b732d07d AC |
2264 | return 0; |
2265 | } | |
2266 | ||
ebdba546 | 2267 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
2268 | new_gdbarch = rego->init (info, rego->arches); |
2269 | ||
ebdba546 AC |
2270 | /* Did the tdep code like it? No. Reject the change and revert to |
2271 | the old architecture. */ | |
104c1213 JM |
2272 | if (new_gdbarch == NULL) |
2273 | { | |
2274 | if (gdbarch_debug) | |
59837fe0 | 2275 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 AC |
2276 | "Target rejected architecture\n"); |
2277 | return NULL; | |
104c1213 JM |
2278 | } |
2279 | ||
ebdba546 AC |
2280 | /* Is this a pre-existing architecture (as determined by already |
2281 | being initialized)? Move it to the front of the architecture | |
2282 | list (keeping the list sorted Most Recently Used). */ | |
2283 | if (new_gdbarch->initialized_p) | |
104c1213 | 2284 | { |
ebdba546 AC |
2285 | struct gdbarch_list **list; |
2286 | struct gdbarch_list *this; | |
104c1213 | 2287 | if (gdbarch_debug) |
59837fe0 | 2288 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2289 | "Previous architecture %s (%s) selected\n", |
2290 | host_address_to_string (new_gdbarch), | |
104c1213 | 2291 | new_gdbarch->bfd_arch_info->printable_name); |
ebdba546 AC |
2292 | /* Find the existing arch in the list. */ |
2293 | for (list = ®o->arches; | |
2294 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2295 | list = &(*list)->next); | |
2296 | /* It had better be in the list of architectures. */ | |
2297 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2298 | /* Unlink THIS. */ | |
2299 | this = (*list); | |
2300 | (*list) = this->next; | |
2301 | /* Insert THIS at the front. */ | |
2302 | this->next = rego->arches; | |
2303 | rego->arches = this; | |
2304 | /* Return it. */ | |
2305 | return new_gdbarch; | |
104c1213 JM |
2306 | } |
2307 | ||
ebdba546 AC |
2308 | /* It's a new architecture. */ |
2309 | if (gdbarch_debug) | |
59837fe0 | 2310 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2311 | "New architecture %s (%s) selected\n", |
2312 | host_address_to_string (new_gdbarch), | |
ebdba546 AC |
2313 | new_gdbarch->bfd_arch_info->printable_name); |
2314 | ||
2315 | /* Insert the new architecture into the front of the architecture | |
2316 | list (keep the list sorted Most Recently Used). */ | |
0f79675b | 2317 | { |
70ba0933 | 2318 | struct gdbarch_list *this = XNEW (struct gdbarch_list); |
0f79675b AC |
2319 | this->next = rego->arches; |
2320 | this->gdbarch = new_gdbarch; | |
2321 | rego->arches = this; | |
2322 | } | |
104c1213 | 2323 | |
4b9b3959 AC |
2324 | /* Check that the newly installed architecture is valid. Plug in |
2325 | any post init values. */ | |
2326 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2327 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2328 | new_gdbarch->initialized_p = 1; |
104c1213 | 2329 | |
4b9b3959 | 2330 | if (gdbarch_debug) |
ebdba546 AC |
2331 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2332 | ||
2333 | return new_gdbarch; | |
2334 | } | |
2335 | ||
e487cc15 | 2336 | /* Make the specified architecture current. */ |
ebdba546 AC |
2337 | |
2338 | void | |
aff68abb | 2339 | set_target_gdbarch (struct gdbarch *new_gdbarch) |
ebdba546 AC |
2340 | { |
2341 | gdb_assert (new_gdbarch != NULL); | |
ebdba546 | 2342 | gdb_assert (new_gdbarch->initialized_p); |
6ecd4729 | 2343 | current_inferior ()->gdbarch = new_gdbarch; |
383f836e | 2344 | observer_notify_architecture_changed (new_gdbarch); |
a3ecef73 | 2345 | registers_changed (); |
ebdba546 | 2346 | } |
104c1213 | 2347 | |
f5656ead | 2348 | /* Return the current inferior's arch. */ |
6ecd4729 PA |
2349 | |
2350 | struct gdbarch * | |
f5656ead | 2351 | target_gdbarch (void) |
6ecd4729 PA |
2352 | { |
2353 | return current_inferior ()->gdbarch; | |
2354 | } | |
2355 | ||
104c1213 | 2356 | extern void _initialize_gdbarch (void); |
b4a20239 | 2357 | |
104c1213 | 2358 | void |
34620563 | 2359 | _initialize_gdbarch (void) |
104c1213 | 2360 | { |
ccce17b0 | 2361 | add_setshow_zuinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
85c07804 AC |
2362 | Set architecture debugging."), _("\\ |
2363 | Show architecture debugging."), _("\\ | |
2364 | When non-zero, architecture debugging is enabled."), | |
2365 | NULL, | |
920d2a44 | 2366 | show_gdbarch_debug, |
85c07804 | 2367 | &setdebuglist, &showdebuglist); |
104c1213 JM |
2368 | } |
2369 | EOF | |
2370 | ||
2371 | # close things off | |
2372 | exec 1>&2 | |
2373 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2374 | compare_new gdbarch.c |