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 |
3e29f34a MR |
638 | # Process an ELF symbol in the minimal symbol table in a backend-specific |
639 | # way. Normally this hook is supposed to do nothing, however if required, | |
640 | # then this hook can be used to apply tranformations to symbols that are | |
641 | # considered special in some way. For example the MIPS backend uses it | |
642 | # to interpret \`st_other' information to mark compressed code symbols so | |
643 | # that they can be treated in the appropriate manner in the processing of | |
644 | # the main symbol table and DWARF-2 records. | |
645 | F:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym | |
97030eea | 646 | f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 |
3e29f34a MR |
647 | # Process a symbol in the main symbol table in a backend-specific way. |
648 | # Normally this hook is supposed to do nothing, however if required, | |
649 | # then this hook can be used to apply tranformations to symbols that | |
650 | # are considered special in some way. This is currently used by the | |
651 | # MIPS backend to make sure compressed code symbols have the ISA bit | |
652 | # set. This in turn is needed for symbol values seen in GDB to match | |
653 | # the values used at the runtime by the program itself, for function | |
654 | # and label references. | |
655 | f:void:make_symbol_special:struct symbol *sym, struct objfile *objfile:sym, objfile::default_make_symbol_special::0 | |
656 | # Adjust the address retrieved from a DWARF-2 record other than a line | |
657 | # entry in a backend-specific way. Normally this hook is supposed to | |
658 | # return the address passed unchanged, however if that is incorrect for | |
659 | # any reason, then this hook can be used to fix the address up in the | |
660 | # required manner. This is currently used by the MIPS backend to make | |
661 | # sure addresses in FDE, range records, etc. referring to compressed | |
662 | # code have the ISA bit set, matching line information and the symbol | |
663 | # table. | |
664 | f:CORE_ADDR:adjust_dwarf2_addr:CORE_ADDR pc:pc::default_adjust_dwarf2_addr::0 | |
665 | # Adjust the address updated by a line entry in a backend-specific way. | |
666 | # Normally this hook is supposed to return the address passed unchanged, | |
667 | # however in the case of inconsistencies in these records, this hook can | |
668 | # be used to fix them up in the required manner. This is currently used | |
669 | # by the MIPS backend to make sure all line addresses in compressed code | |
670 | # are presented with the ISA bit set, which is not always the case. This | |
671 | # in turn ensures breakpoint addresses are correctly matched against the | |
672 | # stop PC. | |
673 | f:CORE_ADDR:adjust_dwarf2_line:CORE_ADDR addr, int rel:addr, rel::default_adjust_dwarf2_line::0 | |
97030eea UW |
674 | v:int:cannot_step_breakpoint:::0:0::0 |
675 | v:int:have_nonsteppable_watchpoint:::0:0::0 | |
676 | F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class | |
677 | M:const char *:address_class_type_flags_to_name:int type_flags:type_flags | |
69f97648 SM |
678 | |
679 | # Return the appropriate type_flags for the supplied address class. | |
680 | # This function should return 1 if the address class was recognized and | |
681 | # type_flags was set, zero otherwise. | |
97030eea | 682 | M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr |
b59ff9d5 | 683 | # Is a register in a group |
97030eea | 684 | m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0 |
f6214256 | 685 | # Fetch the pointer to the ith function argument. |
97030eea | 686 | F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
6ce6d90f | 687 | |
5aa82d05 AA |
688 | # Iterate over all supported register notes in a core file. For each |
689 | # supported register note section, the iterator must call CB and pass | |
690 | # CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit | |
691 | # the supported register note sections based on the current register | |
692 | # values. Otherwise it should enumerate all supported register note | |
693 | # sections. | |
694 | M:void:iterate_over_regset_sections:iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache:cb, cb_data, regcache | |
17ea7499 | 695 | |
6432734d UW |
696 | # Create core file notes |
697 | M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size | |
698 | ||
b3ac9c77 SDJ |
699 | # The elfcore writer hook to use to write Linux prpsinfo notes to core |
700 | # files. Most Linux architectures use the same prpsinfo32 or | |
701 | # prpsinfo64 layouts, and so won't need to provide this hook, as we | |
702 | # call the Linux generic routines in bfd to write prpsinfo notes by | |
703 | # default. | |
704 | 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 | |
705 | ||
35c2fab7 UW |
706 | # Find core file memory regions |
707 | M:int:find_memory_regions:find_memory_region_ftype func, void *data:func, data | |
708 | ||
de584861 | 709 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
c09f20e4 YQ |
710 | # core file into buffer READBUF with length LEN. Return the number of bytes read |
711 | # (zero indicates failure). | |
712 | # failed, otherwise, return the red length of READBUF. | |
713 | M:ULONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, ULONGEST len:readbuf, offset, len | |
de584861 | 714 | |
356a5233 JB |
715 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
716 | # libraries list from core file into buffer READBUF with length LEN. | |
c09f20e4 YQ |
717 | # Return the number of bytes read (zero indicates failure). |
718 | M:ULONGEST:core_xfer_shared_libraries_aix:gdb_byte *readbuf, ULONGEST offset, ULONGEST len:readbuf, offset, len | |
356a5233 | 719 | |
c0edd9ed | 720 | # How the core target converts a PTID from a core file to a string. |
28439f5e PA |
721 | M:char *:core_pid_to_str:ptid_t ptid:ptid |
722 | ||
a78c2d62 | 723 | # BFD target to use when generating a core file. |
86ba1042 | 724 | V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target) |
a78c2d62 | 725 | |
0d5de010 DJ |
726 | # If the elements of C++ vtables are in-place function descriptors rather |
727 | # than normal function pointers (which may point to code or a descriptor), | |
728 | # set this to one. | |
97030eea | 729 | v:int:vtable_function_descriptors:::0:0::0 |
0d5de010 DJ |
730 | |
731 | # Set if the least significant bit of the delta is used instead of the least | |
732 | # significant bit of the pfn for pointers to virtual member functions. | |
97030eea | 733 | v:int:vbit_in_delta:::0:0::0 |
6d350bb5 UW |
734 | |
735 | # Advance PC to next instruction in order to skip a permanent breakpoint. | |
ae9bb220 | 736 | f:void:skip_permanent_breakpoint:struct regcache *regcache:regcache:default_skip_permanent_breakpoint:default_skip_permanent_breakpoint::0 |
1c772458 | 737 | |
1668ae25 | 738 | # The maximum length of an instruction on this architecture in bytes. |
237fc4c9 PA |
739 | V:ULONGEST:max_insn_length:::0:0 |
740 | ||
741 | # Copy the instruction at FROM to TO, and make any adjustments | |
742 | # necessary to single-step it at that address. | |
743 | # | |
744 | # REGS holds the state the thread's registers will have before | |
745 | # executing the copied instruction; the PC in REGS will refer to FROM, | |
746 | # not the copy at TO. The caller should update it to point at TO later. | |
747 | # | |
748 | # Return a pointer to data of the architecture's choice to be passed | |
749 | # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
750 | # the instruction's effects have been completely simulated, with the | |
751 | # resulting state written back to REGS. | |
752 | # | |
753 | # For a general explanation of displaced stepping and how GDB uses it, | |
754 | # see the comments in infrun.c. | |
755 | # | |
756 | # The TO area is only guaranteed to have space for | |
757 | # gdbarch_max_insn_length (arch) bytes, so this function must not | |
758 | # write more bytes than that to that area. | |
759 | # | |
760 | # If you do not provide this function, GDB assumes that the | |
761 | # architecture does not support displaced stepping. | |
762 | # | |
763 | # If your architecture doesn't need to adjust instructions before | |
764 | # single-stepping them, consider using simple_displaced_step_copy_insn | |
765 | # here. | |
766 | M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs | |
767 | ||
99e40580 UW |
768 | # Return true if GDB should use hardware single-stepping to execute |
769 | # the displaced instruction identified by CLOSURE. If false, | |
770 | # GDB will simply restart execution at the displaced instruction | |
771 | # location, and it is up to the target to ensure GDB will receive | |
772 | # control again (e.g. by placing a software breakpoint instruction | |
773 | # into the displaced instruction buffer). | |
774 | # | |
775 | # The default implementation returns false on all targets that | |
776 | # provide a gdbarch_software_single_step routine, and true otherwise. | |
777 | m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 | |
778 | ||
237fc4c9 PA |
779 | # Fix up the state resulting from successfully single-stepping a |
780 | # displaced instruction, to give the result we would have gotten from | |
781 | # stepping the instruction in its original location. | |
782 | # | |
783 | # REGS is the register state resulting from single-stepping the | |
784 | # displaced instruction. | |
785 | # | |
786 | # CLOSURE is the result from the matching call to | |
787 | # gdbarch_displaced_step_copy_insn. | |
788 | # | |
789 | # If you provide gdbarch_displaced_step_copy_insn.but not this | |
790 | # function, then GDB assumes that no fixup is needed after | |
791 | # single-stepping the instruction. | |
792 | # | |
793 | # For a general explanation of displaced stepping and how GDB uses it, | |
794 | # see the comments in infrun.c. | |
795 | M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL | |
796 | ||
797 | # Free a closure returned by gdbarch_displaced_step_copy_insn. | |
798 | # | |
799 | # If you provide gdbarch_displaced_step_copy_insn, you must provide | |
800 | # this function as well. | |
801 | # | |
802 | # If your architecture uses closures that don't need to be freed, then | |
803 | # you can use simple_displaced_step_free_closure here. | |
804 | # | |
805 | # For a general explanation of displaced stepping and how GDB uses it, | |
806 | # see the comments in infrun.c. | |
807 | m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) | |
808 | ||
809 | # Return the address of an appropriate place to put displaced | |
810 | # instructions while we step over them. There need only be one such | |
811 | # place, since we're only stepping one thread over a breakpoint at a | |
812 | # time. | |
813 | # | |
814 | # For a general explanation of displaced stepping and how GDB uses it, | |
815 | # see the comments in infrun.c. | |
816 | m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) | |
817 | ||
dde08ee1 PA |
818 | # Relocate an instruction to execute at a different address. OLDLOC |
819 | # is the address in the inferior memory where the instruction to | |
820 | # relocate is currently at. On input, TO points to the destination | |
821 | # where we want the instruction to be copied (and possibly adjusted) | |
822 | # to. On output, it points to one past the end of the resulting | |
823 | # instruction(s). The effect of executing the instruction at TO shall | |
824 | # be the same as if executing it at FROM. For example, call | |
825 | # instructions that implicitly push the return address on the stack | |
826 | # should be adjusted to return to the instruction after OLDLOC; | |
827 | # relative branches, and other PC-relative instructions need the | |
828 | # offset adjusted; etc. | |
829 | M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL | |
830 | ||
1c772458 | 831 | # Refresh overlay mapped state for section OSECT. |
97030eea | 832 | F:void:overlay_update:struct obj_section *osect:osect |
4eb0ad19 | 833 | |
97030eea | 834 | M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
149ad273 UW |
835 | |
836 | # Handle special encoding of static variables in stabs debug info. | |
0d5cff50 | 837 | F:const char *:static_transform_name:const char *name:name |
203c3895 | 838 | # Set if the address in N_SO or N_FUN stabs may be zero. |
97030eea | 839 | v:int:sofun_address_maybe_missing:::0:0::0 |
1cded358 | 840 | |
0508c3ec HZ |
841 | # Parse the instruction at ADDR storing in the record execution log |
842 | # the registers REGCACHE and memory ranges that will be affected when | |
843 | # the instruction executes, along with their current values. | |
844 | # Return -1 if something goes wrong, 0 otherwise. | |
845 | M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr | |
846 | ||
3846b520 HZ |
847 | # Save process state after a signal. |
848 | # Return -1 if something goes wrong, 0 otherwise. | |
2ea28649 | 849 | M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:regcache, signal |
3846b520 | 850 | |
22203bbf | 851 | # Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
852 | # into GDB's representation. The implementation of this method must |
853 | # be host independent. IOW, don't rely on symbols of the NAT_FILE | |
854 | # header (the nm-*.h files), the host <signal.h> header, or similar | |
855 | # headers. This is mainly used when cross-debugging core files --- | |
856 | # "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
857 | # (target_wait, target_resume, etc.). |
858 | M:enum gdb_signal:gdb_signal_from_target:int signo:signo | |
60c5725c | 859 | |
eb14d406 SDJ |
860 | # Signal translation: translate the GDB's internal signal number into |
861 | # the inferior's signal (target's) representation. The implementation | |
862 | # of this method must be host independent. IOW, don't rely on symbols | |
863 | # of the NAT_FILE header (the nm-*.h files), the host <signal.h> | |
864 | # header, or similar headers. | |
865 | # Return the target signal number if found, or -1 if the GDB internal | |
866 | # signal number is invalid. | |
867 | M:int:gdb_signal_to_target:enum gdb_signal signal:signal | |
868 | ||
4aa995e1 PA |
869 | # Extra signal info inspection. |
870 | # | |
871 | # Return a type suitable to inspect extra signal information. | |
872 | M:struct type *:get_siginfo_type:void: | |
873 | ||
60c5725c DJ |
874 | # Record architecture-specific information from the symbol table. |
875 | M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym | |
50c71eaf | 876 | |
a96d9b2e SDJ |
877 | # Function for the 'catch syscall' feature. |
878 | ||
879 | # Get architecture-specific system calls information from registers. | |
880 | M:LONGEST:get_syscall_number:ptid_t ptid:ptid | |
881 | ||
458c8db8 SDJ |
882 | # The filename of the XML syscall for this architecture. |
883 | v:const char *:xml_syscall_file:::0:0::0:pstring (gdbarch->xml_syscall_file) | |
884 | ||
885 | # Information about system calls from this architecture | |
886 | v:struct syscalls_info *:syscalls_info:::0:0::0:host_address_to_string (gdbarch->syscalls_info) | |
887 | ||
55aa24fb SDJ |
888 | # SystemTap related fields and functions. |
889 | ||
05c0465e SDJ |
890 | # A NULL-terminated array of prefixes used to mark an integer constant |
891 | # on the architecture's assembly. | |
55aa24fb SDJ |
892 | # For example, on x86 integer constants are written as: |
893 | # | |
894 | # \$10 ;; integer constant 10 | |
895 | # | |
896 | # in this case, this prefix would be the character \`\$\'. | |
05c0465e | 897 | v:const char *const *:stap_integer_prefixes:::0:0::0:pstring_list (gdbarch->stap_integer_prefixes) |
55aa24fb | 898 | |
05c0465e SDJ |
899 | # A NULL-terminated array of suffixes used to mark an integer constant |
900 | # on the architecture's assembly. | |
901 | v:const char *const *:stap_integer_suffixes:::0:0::0:pstring_list (gdbarch->stap_integer_suffixes) | |
55aa24fb | 902 | |
05c0465e SDJ |
903 | # A NULL-terminated array of prefixes used to mark a register name on |
904 | # the architecture's assembly. | |
55aa24fb SDJ |
905 | # For example, on x86 the register name is written as: |
906 | # | |
907 | # \%eax ;; register eax | |
908 | # | |
909 | # in this case, this prefix would be the character \`\%\'. | |
05c0465e | 910 | v:const char *const *:stap_register_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_prefixes) |
55aa24fb | 911 | |
05c0465e SDJ |
912 | # A NULL-terminated array of suffixes used to mark a register name on |
913 | # the architecture's assembly. | |
914 | v:const char *const *:stap_register_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_suffixes) | |
55aa24fb | 915 | |
05c0465e SDJ |
916 | # A NULL-terminated array of prefixes used to mark a register |
917 | # indirection on the architecture's assembly. | |
55aa24fb SDJ |
918 | # For example, on x86 the register indirection is written as: |
919 | # | |
920 | # \(\%eax\) ;; indirecting eax | |
921 | # | |
922 | # in this case, this prefix would be the charater \`\(\'. | |
923 | # | |
924 | # Please note that we use the indirection prefix also for register | |
925 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
05c0465e | 926 | v:const char *const *:stap_register_indirection_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_prefixes) |
55aa24fb | 927 | |
05c0465e SDJ |
928 | # A NULL-terminated array of suffixes used to mark a register |
929 | # indirection on the architecture's assembly. | |
55aa24fb SDJ |
930 | # For example, on x86 the register indirection is written as: |
931 | # | |
932 | # \(\%eax\) ;; indirecting eax | |
933 | # | |
934 | # in this case, this prefix would be the charater \`\)\'. | |
935 | # | |
936 | # Please note that we use the indirection suffix also for register | |
937 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
05c0465e | 938 | v:const char *const *:stap_register_indirection_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_suffixes) |
55aa24fb | 939 | |
05c0465e | 940 | # Prefix(es) used to name a register using GDB's nomenclature. |
55aa24fb SDJ |
941 | # |
942 | # For example, on PPC a register is represented by a number in the assembly | |
943 | # language (e.g., \`10\' is the 10th general-purpose register). However, | |
944 | # inside GDB this same register has an \`r\' appended to its name, so the 10th | |
945 | # register would be represented as \`r10\' internally. | |
08af7a40 | 946 | v:const char *:stap_gdb_register_prefix:::0:0::0:pstring (gdbarch->stap_gdb_register_prefix) |
55aa24fb SDJ |
947 | |
948 | # Suffix used to name a register using GDB's nomenclature. | |
08af7a40 | 949 | v:const char *:stap_gdb_register_suffix:::0:0::0:pstring (gdbarch->stap_gdb_register_suffix) |
55aa24fb SDJ |
950 | |
951 | # Check if S is a single operand. | |
952 | # | |
953 | # Single operands can be: | |
954 | # \- Literal integers, e.g. \`\$10\' on x86 | |
955 | # \- Register access, e.g. \`\%eax\' on x86 | |
956 | # \- Register indirection, e.g. \`\(\%eax\)\' on x86 | |
957 | # \- Register displacement, e.g. \`4\(\%eax\)\' on x86 | |
958 | # | |
959 | # This function should check for these patterns on the string | |
960 | # and return 1 if some were found, or zero otherwise. Please try to match | |
961 | # as much info as you can from the string, i.e., if you have to match | |
962 | # something like \`\(\%\', do not match just the \`\(\'. | |
963 | M:int:stap_is_single_operand:const char *s:s | |
964 | ||
965 | # Function used to handle a "special case" in the parser. | |
966 | # | |
967 | # A "special case" is considered to be an unknown token, i.e., a token | |
968 | # that the parser does not know how to parse. A good example of special | |
969 | # case would be ARM's register displacement syntax: | |
970 | # | |
971 | # [R0, #4] ;; displacing R0 by 4 | |
972 | # | |
973 | # Since the parser assumes that a register displacement is of the form: | |
974 | # | |
975 | # <number> <indirection_prefix> <register_name> <indirection_suffix> | |
976 | # | |
977 | # it means that it will not be able to recognize and parse this odd syntax. | |
978 | # Therefore, we should add a special case function that will handle this token. | |
979 | # | |
980 | # This function should generate the proper expression form of the expression | |
981 | # using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\' | |
982 | # and so on). It should also return 1 if the parsing was successful, or zero | |
983 | # if the token was not recognized as a special token (in this case, returning | |
984 | # zero means that the special parser is deferring the parsing to the generic | |
985 | # parser), and should advance the buffer pointer (p->arg). | |
986 | M:int:stap_parse_special_token:struct stap_parse_info *p:p | |
987 | ||
988 | ||
50c71eaf PA |
989 | # True if the list of shared libraries is one and only for all |
990 | # processes, as opposed to a list of shared libraries per inferior. | |
2567c7d9 PA |
991 | # This usually means that all processes, although may or may not share |
992 | # an address space, will see the same set of symbols at the same | |
993 | # addresses. | |
50c71eaf | 994 | v:int:has_global_solist:::0:0::0 |
2567c7d9 PA |
995 | |
996 | # On some targets, even though each inferior has its own private | |
997 | # address space, the debug interface takes care of making breakpoints | |
998 | # visible to all address spaces automatically. For such cases, | |
999 | # this property should be set to true. | |
1000 | v:int:has_global_breakpoints:::0:0::0 | |
6c95b8df PA |
1001 | |
1002 | # True if inferiors share an address space (e.g., uClinux). | |
1003 | m:int:has_shared_address_space:void:::default_has_shared_address_space::0 | |
7a697b8d SS |
1004 | |
1005 | # True if a fast tracepoint can be set at an address. | |
1006 | m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 | |
75cebea9 | 1007 | |
f870a310 TT |
1008 | # Return the "auto" target charset. |
1009 | f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0 | |
1010 | # Return the "auto" target wide charset. | |
1011 | f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0 | |
08105857 PA |
1012 | |
1013 | # If non-empty, this is a file extension that will be opened in place | |
1014 | # of the file extension reported by the shared library list. | |
1015 | # | |
1016 | # This is most useful for toolchains that use a post-linker tool, | |
1017 | # where the names of the files run on the target differ in extension | |
1018 | # compared to the names of the files GDB should load for debug info. | |
1019 | v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension) | |
ab38a727 PA |
1020 | |
1021 | # If true, the target OS has DOS-based file system semantics. That | |
1022 | # is, absolute paths include a drive name, and the backslash is | |
1023 | # considered a directory separator. | |
1024 | v:int:has_dos_based_file_system:::0:0::0 | |
6710bf39 SS |
1025 | |
1026 | # Generate bytecodes to collect the return address in a frame. | |
1027 | # Since the bytecodes run on the target, possibly with GDB not even | |
1028 | # connected, the full unwinding machinery is not available, and | |
1029 | # typically this function will issue bytecodes for one or more likely | |
1030 | # places that the return address may be found. | |
1031 | m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0 | |
1032 | ||
3030c96e | 1033 | # Implement the "info proc" command. |
7bc112c1 | 1034 | M:void:info_proc:const char *args, enum info_proc_what what:args, what |
3030c96e | 1035 | |
451b7c33 TT |
1036 | # Implement the "info proc" command for core files. Noe that there |
1037 | # are two "info_proc"-like methods on gdbarch -- one for core files, | |
1038 | # one for live targets. | |
7bc112c1 | 1039 | M:void:core_info_proc:const char *args, enum info_proc_what what:args, what |
451b7c33 | 1040 | |
19630284 JB |
1041 | # Iterate over all objfiles in the order that makes the most sense |
1042 | # for the architecture to make global symbol searches. | |
1043 | # | |
1044 | # CB is a callback function where OBJFILE is the objfile to be searched, | |
1045 | # and CB_DATA a pointer to user-defined data (the same data that is passed | |
1046 | # when calling this gdbarch method). The iteration stops if this function | |
1047 | # returns nonzero. | |
1048 | # | |
1049 | # CB_DATA is a pointer to some user-defined data to be passed to | |
1050 | # the callback. | |
1051 | # | |
1052 | # If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
1053 | # inspected when the symbol search was requested. | |
1054 | 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 | |
1055 | ||
7e35103a JB |
1056 | # Ravenscar arch-dependent ops. |
1057 | v:struct ravenscar_arch_ops *:ravenscar_ops:::NULL:NULL::0:host_address_to_string (gdbarch->ravenscar_ops) | |
c2170eef MM |
1058 | |
1059 | # Return non-zero if the instruction at ADDR is a call; zero otherwise. | |
1060 | m:int:insn_is_call:CORE_ADDR addr:addr::default_insn_is_call::0 | |
1061 | ||
1062 | # Return non-zero if the instruction at ADDR is a return; zero otherwise. | |
1063 | m:int:insn_is_ret:CORE_ADDR addr:addr::default_insn_is_ret::0 | |
1064 | ||
1065 | # Return non-zero if the instruction at ADDR is a jump; zero otherwise. | |
1066 | m:int:insn_is_jump:CORE_ADDR addr:addr::default_insn_is_jump::0 | |
27a48a92 MK |
1067 | |
1068 | # Read one auxv entry from *READPTR, not reading locations >= ENDPTR. | |
1069 | # Return 0 if *READPTR is already at the end of the buffer. | |
1070 | # Return -1 if there is insufficient buffer for a whole entry. | |
1071 | # Return 1 if an entry was read into *TYPEP and *VALP. | |
1072 | M:int:auxv_parse:gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp:readptr, endptr, typep, valp | |
3437254d PA |
1073 | |
1074 | # Find the address range of the current inferior's vsyscall/vDSO, and | |
1075 | # write it to *RANGE. If the vsyscall's length can't be determined, a | |
1076 | # range with zero length is returned. Returns true if the vsyscall is | |
1077 | # found, false otherwise. | |
1078 | m:int:vsyscall_range:struct mem_range *range:range::default_vsyscall_range::0 | |
f208eee0 JK |
1079 | |
1080 | # Allocate SIZE bytes of PROT protected page aligned memory in inferior. | |
1081 | # PROT has GDB_MMAP_PROT_* bitmask format. | |
1082 | # Throw an error if it is not possible. Returned address is always valid. | |
1083 | f:CORE_ADDR:infcall_mmap:CORE_ADDR size, unsigned prot:size, prot::default_infcall_mmap::0 | |
1084 | ||
1085 | # Return string (caller has to use xfree for it) with options for GCC | |
1086 | # to produce code for this target, typically "-m64", "-m32" or "-m31". | |
1087 | # These options are put before CU's DW_AT_producer compilation options so that | |
1088 | # they can override it. Method may also return NULL. | |
1089 | m:char *:gcc_target_options:void:::default_gcc_target_options::0 | |
ac04f72b TT |
1090 | |
1091 | # Return a regular expression that matches names used by this | |
1092 | # architecture in GNU configury triplets. The result is statically | |
1093 | # allocated and must not be freed. The default implementation simply | |
1094 | # returns the BFD architecture name, which is correct in nearly every | |
1095 | # case. | |
1096 | m:const char *:gnu_triplet_regexp:void:::default_gnu_triplet_regexp::0 | |
104c1213 | 1097 | EOF |
104c1213 JM |
1098 | } |
1099 | ||
0b8f9e4d AC |
1100 | # |
1101 | # The .log file | |
1102 | # | |
1103 | exec > new-gdbarch.log | |
34620563 | 1104 | function_list | while do_read |
0b8f9e4d AC |
1105 | do |
1106 | cat <<EOF | |
2f9b146e | 1107 | ${class} ${returntype} ${function} ($formal) |
104c1213 | 1108 | EOF |
3d9a5942 AC |
1109 | for r in ${read} |
1110 | do | |
1111 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
1112 | done | |
f0d4cc9e | 1113 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 1114 | then |
66d659b1 | 1115 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
1116 | kill $$ |
1117 | exit 1 | |
1118 | fi | |
72e74a21 | 1119 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
1120 | then |
1121 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
1122 | kill $$ | |
1123 | exit 1 | |
1124 | fi | |
a72293e2 AC |
1125 | if class_is_multiarch_p |
1126 | then | |
1127 | if class_is_predicate_p ; then : | |
1128 | elif test "x${predefault}" = "x" | |
1129 | then | |
2f9b146e | 1130 | echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2 |
a72293e2 AC |
1131 | kill $$ |
1132 | exit 1 | |
1133 | fi | |
1134 | fi | |
3d9a5942 | 1135 | echo "" |
0b8f9e4d AC |
1136 | done |
1137 | ||
1138 | exec 1>&2 | |
1139 | compare_new gdbarch.log | |
1140 | ||
104c1213 JM |
1141 | |
1142 | copyright () | |
1143 | { | |
1144 | cat <<EOF | |
c4bfde41 JK |
1145 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
1146 | /* vi:set ro: */ | |
59233f88 | 1147 | |
104c1213 | 1148 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 1149 | |
ecd75fc8 | 1150 | Copyright (C) 1998-2014 Free Software Foundation, Inc. |
104c1213 JM |
1151 | |
1152 | This file is part of GDB. | |
1153 | ||
1154 | This program is free software; you can redistribute it and/or modify | |
1155 | it under the terms of the GNU General Public License as published by | |
50efebf8 | 1156 | the Free Software Foundation; either version 3 of the License, or |
104c1213 | 1157 | (at your option) any later version. |
50efebf8 | 1158 | |
104c1213 JM |
1159 | This program is distributed in the hope that it will be useful, |
1160 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
1161 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
1162 | GNU General Public License for more details. | |
50efebf8 | 1163 | |
104c1213 | 1164 | You should have received a copy of the GNU General Public License |
50efebf8 | 1165 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 | 1166 | |
104c1213 JM |
1167 | /* This file was created with the aid of \`\`gdbarch.sh''. |
1168 | ||
52204a0b | 1169 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
1170 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
1171 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
1172 | being reported. | |
1173 | ||
1174 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 1175 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 1176 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 1177 | easier. */ |
104c1213 JM |
1178 | |
1179 | EOF | |
1180 | } | |
1181 | ||
1182 | # | |
1183 | # The .h file | |
1184 | # | |
1185 | ||
1186 | exec > new-gdbarch.h | |
1187 | copyright | |
1188 | cat <<EOF | |
1189 | #ifndef GDBARCH_H | |
1190 | #define GDBARCH_H | |
1191 | ||
eb7a547a JB |
1192 | #include "frame.h" |
1193 | ||
da3331ec AC |
1194 | struct floatformat; |
1195 | struct ui_file; | |
104c1213 | 1196 | struct value; |
b6af0555 | 1197 | struct objfile; |
1c772458 | 1198 | struct obj_section; |
a2cf933a | 1199 | struct minimal_symbol; |
049ee0e4 | 1200 | struct regcache; |
b59ff9d5 | 1201 | struct reggroup; |
6ce6d90f | 1202 | struct regset; |
a89aa300 | 1203 | struct disassemble_info; |
e2d0e7eb | 1204 | struct target_ops; |
030f20e1 | 1205 | struct obstack; |
8181d85f | 1206 | struct bp_target_info; |
424163ea | 1207 | struct target_desc; |
3e29f34a MR |
1208 | struct objfile; |
1209 | struct symbol; | |
237fc4c9 | 1210 | struct displaced_step_closure; |
17ea7499 | 1211 | struct core_regset_section; |
a96d9b2e | 1212 | struct syscall; |
175ff332 | 1213 | struct agent_expr; |
6710bf39 | 1214 | struct axs_value; |
55aa24fb | 1215 | struct stap_parse_info; |
7e35103a | 1216 | struct ravenscar_arch_ops; |
b3ac9c77 | 1217 | struct elf_internal_linux_prpsinfo; |
3437254d | 1218 | struct mem_range; |
458c8db8 | 1219 | struct syscalls_info; |
104c1213 | 1220 | |
6ecd4729 PA |
1221 | /* The architecture associated with the inferior through the |
1222 | connection to the target. | |
1223 | ||
1224 | The architecture vector provides some information that is really a | |
1225 | property of the inferior, accessed through a particular target: | |
1226 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
1227 | vector; etc. To differentiate architecture accesses to | |
1228 | per-inferior/target properties from | |
1229 | per-thread/per-frame/per-objfile properties, accesses to | |
1230 | per-inferior/target properties should be made through this | |
1231 | gdbarch. */ | |
1232 | ||
1233 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 1234 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 | 1235 | |
19630284 JB |
1236 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
1237 | gdbarch method. */ | |
1238 | ||
1239 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
1240 | (struct objfile *objfile, void *cb_data); | |
5aa82d05 AA |
1241 | |
1242 | typedef void (iterate_over_regset_sections_cb) | |
8f0435f7 AA |
1243 | (const char *sect_name, int size, const struct regset *regset, |
1244 | const char *human_name, void *cb_data); | |
104c1213 JM |
1245 | EOF |
1246 | ||
1247 | # function typedef's | |
3d9a5942 AC |
1248 | printf "\n" |
1249 | printf "\n" | |
0963b4bd | 1250 | printf "/* The following are pre-initialized by GDBARCH. */\n" |
34620563 | 1251 | function_list | while do_read |
104c1213 | 1252 | do |
2ada493a AC |
1253 | if class_is_info_p |
1254 | then | |
3d9a5942 AC |
1255 | printf "\n" |
1256 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
0963b4bd | 1257 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" |
2ada493a | 1258 | fi |
104c1213 JM |
1259 | done |
1260 | ||
1261 | # function typedef's | |
3d9a5942 AC |
1262 | printf "\n" |
1263 | printf "\n" | |
0963b4bd | 1264 | printf "/* The following are initialized by the target dependent code. */\n" |
34620563 | 1265 | function_list | while do_read |
104c1213 | 1266 | do |
72e74a21 | 1267 | if [ -n "${comment}" ] |
34620563 AC |
1268 | then |
1269 | echo "${comment}" | sed \ | |
1270 | -e '2 s,#,/*,' \ | |
1271 | -e '3,$ s,#, ,' \ | |
1272 | -e '$ s,$, */,' | |
1273 | fi | |
412d5987 AC |
1274 | |
1275 | if class_is_predicate_p | |
2ada493a | 1276 | then |
412d5987 AC |
1277 | printf "\n" |
1278 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
4a5c6a1d | 1279 | fi |
2ada493a AC |
1280 | if class_is_variable_p |
1281 | then | |
3d9a5942 AC |
1282 | printf "\n" |
1283 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
1284 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
2ada493a AC |
1285 | fi |
1286 | if class_is_function_p | |
1287 | then | |
3d9a5942 | 1288 | printf "\n" |
72e74a21 | 1289 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
1290 | then |
1291 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
1292 | elif class_is_multiarch_p | |
1293 | then | |
1294 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
1295 | else | |
1296 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
1297 | fi | |
72e74a21 | 1298 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1299 | then |
3d9a5942 | 1300 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 1301 | else |
3d9a5942 | 1302 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 1303 | fi |
3d9a5942 | 1304 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
2ada493a | 1305 | fi |
104c1213 JM |
1306 | done |
1307 | ||
1308 | # close it off | |
1309 | cat <<EOF | |
1310 | ||
a96d9b2e SDJ |
1311 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1312 | #define UNKNOWN_SYSCALL (-1) | |
1313 | ||
104c1213 JM |
1314 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
1315 | ||
1316 | ||
1317 | /* Mechanism for co-ordinating the selection of a specific | |
1318 | architecture. | |
1319 | ||
1320 | GDB targets (*-tdep.c) can register an interest in a specific | |
1321 | architecture. Other GDB components can register a need to maintain | |
1322 | per-architecture data. | |
1323 | ||
1324 | The mechanisms below ensures that there is only a loose connection | |
1325 | between the set-architecture command and the various GDB | |
0fa6923a | 1326 | components. Each component can independently register their need |
104c1213 JM |
1327 | to maintain architecture specific data with gdbarch. |
1328 | ||
1329 | Pragmatics: | |
1330 | ||
1331 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1332 | didn't scale. | |
1333 | ||
1334 | The more traditional mega-struct containing architecture specific | |
1335 | data for all the various GDB components was also considered. Since | |
0fa6923a | 1336 | GDB is built from a variable number of (fairly independent) |
104c1213 | 1337 | components it was determined that the global aproach was not |
0963b4bd | 1338 | applicable. */ |
104c1213 JM |
1339 | |
1340 | ||
1341 | /* Register a new architectural family with GDB. | |
1342 | ||
1343 | Register support for the specified ARCHITECTURE with GDB. When | |
1344 | gdbarch determines that the specified architecture has been | |
1345 | selected, the corresponding INIT function is called. | |
1346 | ||
1347 | -- | |
1348 | ||
1349 | The INIT function takes two parameters: INFO which contains the | |
1350 | information available to gdbarch about the (possibly new) | |
1351 | architecture; ARCHES which is a list of the previously created | |
1352 | \`\`struct gdbarch'' for this architecture. | |
1353 | ||
0f79675b | 1354 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1355 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1356 | |
1357 | The ARCHES parameter is a linked list (sorted most recently used) | |
1358 | of all the previously created architures for this architecture | |
1359 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1360 | values from the previously selected architecture for this | |
59837fe0 | 1361 | architecture family. |
104c1213 JM |
1362 | |
1363 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1364 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1365 | gdbarch'' from the ARCHES list - indicating that the new |
1366 | architecture is just a synonym for an earlier architecture (see | |
1367 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1368 | - that describes the selected architecture (see gdbarch_alloc()). |
1369 | ||
1370 | The DUMP_TDEP function shall print out all target specific values. | |
1371 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1372 | multi-arch and non- multi-arch cases. */ |
104c1213 JM |
1373 | |
1374 | struct gdbarch_list | |
1375 | { | |
1376 | struct gdbarch *gdbarch; | |
1377 | struct gdbarch_list *next; | |
1378 | }; | |
1379 | ||
1380 | struct gdbarch_info | |
1381 | { | |
0963b4bd | 1382 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1383 | const struct bfd_arch_info *bfd_arch_info; |
1384 | ||
428721aa | 1385 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
94123b4f | 1386 | enum bfd_endian byte_order; |
104c1213 | 1387 | |
94123b4f | 1388 | enum bfd_endian byte_order_for_code; |
9d4fde75 | 1389 | |
0963b4bd | 1390 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1391 | bfd *abfd; |
1392 | ||
0963b4bd | 1393 | /* Use default: NULL (ZERO). */ |
104c1213 | 1394 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1395 | |
1396 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1397 | enum gdb_osabi osabi; | |
424163ea DJ |
1398 | |
1399 | /* Use default: NULL (ZERO). */ | |
1400 | const struct target_desc *target_desc; | |
104c1213 JM |
1401 | }; |
1402 | ||
1403 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1404 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1405 | |
4b9b3959 | 1406 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1407 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1408 | ||
4b9b3959 AC |
1409 | extern void gdbarch_register (enum bfd_architecture architecture, |
1410 | gdbarch_init_ftype *, | |
1411 | gdbarch_dump_tdep_ftype *); | |
1412 | ||
104c1213 | 1413 | |
b4a20239 AC |
1414 | /* Return a freshly allocated, NULL terminated, array of the valid |
1415 | architecture names. Since architectures are registered during the | |
1416 | _initialize phase this function only returns useful information | |
0963b4bd | 1417 | once initialization has been completed. */ |
b4a20239 AC |
1418 | |
1419 | extern const char **gdbarch_printable_names (void); | |
1420 | ||
1421 | ||
104c1213 | 1422 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1423 | matches the information provided by INFO. */ |
104c1213 | 1424 | |
424163ea | 1425 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
104c1213 JM |
1426 | |
1427 | ||
1428 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
424163ea | 1429 | basic initialization using values obtained from the INFO and TDEP |
104c1213 | 1430 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1431 | initialization of the object. */ |
104c1213 JM |
1432 | |
1433 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1434 | ||
1435 | ||
4b9b3959 AC |
1436 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1437 | It is assumed that the caller freeds the \`\`struct | |
0963b4bd | 1438 | gdbarch_tdep''. */ |
4b9b3959 | 1439 | |
058f20d5 JB |
1440 | extern void gdbarch_free (struct gdbarch *); |
1441 | ||
1442 | ||
aebd7893 AC |
1443 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1444 | obstack. The memory is freed when the corresponding architecture | |
1445 | is also freed. */ | |
1446 | ||
1447 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1448 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1449 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1450 | ||
1451 | ||
0963b4bd | 1452 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1453 | |
b732d07d AC |
1454 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1455 | architecture'' et.al., the existing architecture and BFD's default | |
1456 | architecture. INFO should be initialized to zero and then selected | |
1457 | fields should be updated. | |
104c1213 | 1458 | |
0963b4bd | 1459 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1460 | |
1461 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1462 | |
1463 | ||
ebdba546 AC |
1464 | /* Helper function. Find an architecture matching info. |
1465 | ||
1466 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1467 | set, and then finished using gdbarch_info_fill. | |
1468 | ||
1469 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1470 | architecture was found. */ |
ebdba546 AC |
1471 | |
1472 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1473 | ||
1474 | ||
aff68abb | 1475 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1476 | |
aff68abb | 1477 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1478 | |
104c1213 JM |
1479 | |
1480 | /* Register per-architecture data-pointer. | |
1481 | ||
1482 | Reserve space for a per-architecture data-pointer. An identifier | |
1483 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1484 | be saved in a local static variable. |
104c1213 | 1485 | |
fcc1c85c AC |
1486 | Memory for the per-architecture data shall be allocated using |
1487 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1488 | corresponding architecture object is deleted. | |
104c1213 | 1489 | |
95160752 AC |
1490 | When a previously created architecture is re-selected, the |
1491 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1492 | restored. INIT() is not re-called. |
104c1213 JM |
1493 | |
1494 | Multiple registrarants for any architecture are allowed (and | |
1495 | strongly encouraged). */ | |
1496 | ||
95160752 | 1497 | struct gdbarch_data; |
104c1213 | 1498 | |
030f20e1 AC |
1499 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1500 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1501 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1502 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1503 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1504 | struct gdbarch_data *data, | |
1505 | void *pointer); | |
104c1213 | 1506 | |
451fbdda | 1507 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1508 | |
1509 | ||
0fa6923a | 1510 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1511 | byte-order, ...) using information found in the BFD. */ |
104c1213 JM |
1512 | |
1513 | extern void set_gdbarch_from_file (bfd *); | |
1514 | ||
1515 | ||
e514a9d6 JM |
1516 | /* Initialize the current architecture to the "first" one we find on |
1517 | our list. */ | |
1518 | ||
1519 | extern void initialize_current_architecture (void); | |
1520 | ||
104c1213 | 1521 | /* gdbarch trace variable */ |
ccce17b0 | 1522 | extern unsigned int gdbarch_debug; |
104c1213 | 1523 | |
4b9b3959 | 1524 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1525 | |
1526 | #endif | |
1527 | EOF | |
1528 | exec 1>&2 | |
1529 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1530 | compare_new gdbarch.h |
104c1213 JM |
1531 | |
1532 | ||
1533 | # | |
1534 | # C file | |
1535 | # | |
1536 | ||
1537 | exec > new-gdbarch.c | |
1538 | copyright | |
1539 | cat <<EOF | |
1540 | ||
1541 | #include "defs.h" | |
7355ddba | 1542 | #include "arch-utils.h" |
104c1213 | 1543 | |
104c1213 | 1544 | #include "gdbcmd.h" |
faaf634c | 1545 | #include "inferior.h" |
104c1213 JM |
1546 | #include "symcat.h" |
1547 | ||
f0d4cc9e | 1548 | #include "floatformat.h" |
b59ff9d5 | 1549 | #include "reggroups.h" |
4be87837 | 1550 | #include "osabi.h" |
aebd7893 | 1551 | #include "gdb_obstack.h" |
383f836e | 1552 | #include "observer.h" |
a3ecef73 | 1553 | #include "regcache.h" |
19630284 | 1554 | #include "objfiles.h" |
95160752 | 1555 | |
104c1213 JM |
1556 | /* Static function declarations */ |
1557 | ||
b3cc3077 | 1558 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1559 | |
104c1213 JM |
1560 | /* Non-zero if we want to trace architecture code. */ |
1561 | ||
1562 | #ifndef GDBARCH_DEBUG | |
1563 | #define GDBARCH_DEBUG 0 | |
1564 | #endif | |
ccce17b0 | 1565 | unsigned int gdbarch_debug = GDBARCH_DEBUG; |
920d2a44 AC |
1566 | static void |
1567 | show_gdbarch_debug (struct ui_file *file, int from_tty, | |
1568 | struct cmd_list_element *c, const char *value) | |
1569 | { | |
1570 | fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); | |
1571 | } | |
104c1213 | 1572 | |
456fcf94 | 1573 | static const char * |
8da61cc4 | 1574 | pformat (const struct floatformat **format) |
456fcf94 AC |
1575 | { |
1576 | if (format == NULL) | |
1577 | return "(null)"; | |
1578 | else | |
8da61cc4 DJ |
1579 | /* Just print out one of them - this is only for diagnostics. */ |
1580 | return format[0]->name; | |
456fcf94 AC |
1581 | } |
1582 | ||
08105857 PA |
1583 | static const char * |
1584 | pstring (const char *string) | |
1585 | { | |
1586 | if (string == NULL) | |
1587 | return "(null)"; | |
1588 | return string; | |
05c0465e SDJ |
1589 | } |
1590 | ||
1591 | /* Helper function to print a list of strings, represented as "const | |
1592 | char *const *". The list is printed comma-separated. */ | |
1593 | ||
1594 | static char * | |
1595 | pstring_list (const char *const *list) | |
1596 | { | |
1597 | static char ret[100]; | |
1598 | const char *const *p; | |
1599 | size_t offset = 0; | |
1600 | ||
1601 | if (list == NULL) | |
1602 | return "(null)"; | |
1603 | ||
1604 | ret[0] = '\0'; | |
1605 | for (p = list; *p != NULL && offset < sizeof (ret); ++p) | |
1606 | { | |
1607 | size_t s = xsnprintf (ret + offset, sizeof (ret) - offset, "%s, ", *p); | |
1608 | offset += 2 + s; | |
1609 | } | |
1610 | ||
1611 | if (offset > 0) | |
1612 | { | |
1613 | gdb_assert (offset - 2 < sizeof (ret)); | |
1614 | ret[offset - 2] = '\0'; | |
1615 | } | |
1616 | ||
1617 | return ret; | |
08105857 PA |
1618 | } |
1619 | ||
104c1213 JM |
1620 | EOF |
1621 | ||
1622 | # gdbarch open the gdbarch object | |
3d9a5942 | 1623 | printf "\n" |
0963b4bd | 1624 | printf "/* Maintain the struct gdbarch object. */\n" |
3d9a5942 AC |
1625 | printf "\n" |
1626 | printf "struct gdbarch\n" | |
1627 | printf "{\n" | |
76860b5f AC |
1628 | printf " /* Has this architecture been fully initialized? */\n" |
1629 | printf " int initialized_p;\n" | |
aebd7893 AC |
1630 | printf "\n" |
1631 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1632 | printf " struct obstack *obstack;\n" | |
1633 | printf "\n" | |
0963b4bd | 1634 | printf " /* basic architectural information. */\n" |
34620563 | 1635 | function_list | while do_read |
104c1213 | 1636 | do |
2ada493a AC |
1637 | if class_is_info_p |
1638 | then | |
3d9a5942 | 1639 | printf " ${returntype} ${function};\n" |
2ada493a | 1640 | fi |
104c1213 | 1641 | done |
3d9a5942 | 1642 | printf "\n" |
0963b4bd | 1643 | printf " /* target specific vector. */\n" |
3d9a5942 AC |
1644 | printf " struct gdbarch_tdep *tdep;\n" |
1645 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1646 | printf "\n" | |
0963b4bd | 1647 | printf " /* per-architecture data-pointers. */\n" |
95160752 | 1648 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1649 | printf " void **data;\n" |
1650 | printf "\n" | |
104c1213 JM |
1651 | cat <<EOF |
1652 | /* Multi-arch values. | |
1653 | ||
1654 | When extending this structure you must: | |
1655 | ||
1656 | Add the field below. | |
1657 | ||
1658 | Declare set/get functions and define the corresponding | |
1659 | macro in gdbarch.h. | |
1660 | ||
1661 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1662 | initialize the new field. | |
1663 | ||
1664 | verify_gdbarch(): Confirm that the target updated the field | |
1665 | correctly. | |
1666 | ||
7e73cedf | 1667 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1668 | field is dumped out |
1669 | ||
104c1213 JM |
1670 | get_gdbarch(): Implement the set/get functions (probably using |
1671 | the macro's as shortcuts). | |
1672 | ||
1673 | */ | |
1674 | ||
1675 | EOF | |
34620563 | 1676 | function_list | while do_read |
104c1213 | 1677 | do |
2ada493a AC |
1678 | if class_is_variable_p |
1679 | then | |
3d9a5942 | 1680 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1681 | elif class_is_function_p |
1682 | then | |
2f9b146e | 1683 | printf " gdbarch_${function}_ftype *${function};\n" |
2ada493a | 1684 | fi |
104c1213 | 1685 | done |
3d9a5942 | 1686 | printf "};\n" |
104c1213 | 1687 | |
104c1213 | 1688 | # Create a new gdbarch struct |
104c1213 | 1689 | cat <<EOF |
7de2341d | 1690 | |
66b43ecb | 1691 | /* Create a new \`\`struct gdbarch'' based on information provided by |
0963b4bd | 1692 | \`\`struct gdbarch_info''. */ |
104c1213 | 1693 | EOF |
3d9a5942 | 1694 | printf "\n" |
104c1213 JM |
1695 | cat <<EOF |
1696 | struct gdbarch * | |
1697 | gdbarch_alloc (const struct gdbarch_info *info, | |
1698 | struct gdbarch_tdep *tdep) | |
1699 | { | |
be7811ad | 1700 | struct gdbarch *gdbarch; |
aebd7893 AC |
1701 | |
1702 | /* Create an obstack for allocating all the per-architecture memory, | |
1703 | then use that to allocate the architecture vector. */ | |
70ba0933 | 1704 | struct obstack *obstack = XNEW (struct obstack); |
aebd7893 | 1705 | obstack_init (obstack); |
be7811ad MD |
1706 | gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
1707 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1708 | gdbarch->obstack = obstack; | |
85de9627 | 1709 | |
be7811ad | 1710 | alloc_gdbarch_data (gdbarch); |
85de9627 | 1711 | |
be7811ad | 1712 | gdbarch->tdep = tdep; |
104c1213 | 1713 | EOF |
3d9a5942 | 1714 | printf "\n" |
34620563 | 1715 | function_list | while do_read |
104c1213 | 1716 | do |
2ada493a AC |
1717 | if class_is_info_p |
1718 | then | |
be7811ad | 1719 | printf " gdbarch->${function} = info->${function};\n" |
2ada493a | 1720 | fi |
104c1213 | 1721 | done |
3d9a5942 | 1722 | printf "\n" |
0963b4bd | 1723 | printf " /* Force the explicit initialization of these. */\n" |
34620563 | 1724 | function_list | while do_read |
104c1213 | 1725 | do |
2ada493a AC |
1726 | if class_is_function_p || class_is_variable_p |
1727 | then | |
72e74a21 | 1728 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1729 | then |
be7811ad | 1730 | printf " gdbarch->${function} = ${predefault};\n" |
104c1213 | 1731 | fi |
2ada493a | 1732 | fi |
104c1213 JM |
1733 | done |
1734 | cat <<EOF | |
1735 | /* gdbarch_alloc() */ | |
1736 | ||
be7811ad | 1737 | return gdbarch; |
104c1213 JM |
1738 | } |
1739 | EOF | |
1740 | ||
058f20d5 | 1741 | # Free a gdbarch struct. |
3d9a5942 AC |
1742 | printf "\n" |
1743 | printf "\n" | |
058f20d5 | 1744 | cat <<EOF |
aebd7893 AC |
1745 | /* Allocate extra space using the per-architecture obstack. */ |
1746 | ||
1747 | void * | |
1748 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1749 | { | |
1750 | void *data = obstack_alloc (arch->obstack, size); | |
05c547f6 | 1751 | |
aebd7893 AC |
1752 | memset (data, 0, size); |
1753 | return data; | |
1754 | } | |
1755 | ||
1756 | ||
058f20d5 JB |
1757 | /* Free a gdbarch struct. This should never happen in normal |
1758 | operation --- once you've created a gdbarch, you keep it around. | |
1759 | However, if an architecture's init function encounters an error | |
1760 | building the structure, it may need to clean up a partially | |
1761 | constructed gdbarch. */ | |
4b9b3959 | 1762 | |
058f20d5 JB |
1763 | void |
1764 | gdbarch_free (struct gdbarch *arch) | |
1765 | { | |
aebd7893 | 1766 | struct obstack *obstack; |
05c547f6 | 1767 | |
95160752 | 1768 | gdb_assert (arch != NULL); |
aebd7893 AC |
1769 | gdb_assert (!arch->initialized_p); |
1770 | obstack = arch->obstack; | |
1771 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1772 | xfree (obstack); | |
058f20d5 JB |
1773 | } |
1774 | EOF | |
1775 | ||
104c1213 | 1776 | # verify a new architecture |
104c1213 | 1777 | cat <<EOF |
db446970 AC |
1778 | |
1779 | ||
1780 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1781 | ||
104c1213 | 1782 | static void |
be7811ad | 1783 | verify_gdbarch (struct gdbarch *gdbarch) |
104c1213 | 1784 | { |
f16a1923 AC |
1785 | struct ui_file *log; |
1786 | struct cleanup *cleanups; | |
759ef836 | 1787 | long length; |
f16a1923 | 1788 | char *buf; |
05c547f6 | 1789 | |
f16a1923 AC |
1790 | log = mem_fileopen (); |
1791 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1792 | /* fundamental */ |
be7811ad | 1793 | if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1794 | fprintf_unfiltered (log, "\n\tbyte-order"); |
be7811ad | 1795 | if (gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1796 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
0963b4bd | 1797 | /* Check those that need to be defined for the given multi-arch level. */ |
104c1213 | 1798 | EOF |
34620563 | 1799 | function_list | while do_read |
104c1213 | 1800 | do |
2ada493a AC |
1801 | if class_is_function_p || class_is_variable_p |
1802 | then | |
72e74a21 | 1803 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1804 | then |
3d9a5942 | 1805 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1806 | elif class_is_predicate_p |
1807 | then | |
0963b4bd | 1808 | printf " /* Skip verify of ${function}, has predicate. */\n" |
f0d4cc9e | 1809 | # FIXME: See do_read for potential simplification |
72e74a21 | 1810 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1811 | then |
3d9a5942 | 1812 | printf " if (${invalid_p})\n" |
be7811ad | 1813 | printf " gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1814 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1815 | then |
be7811ad MD |
1816 | printf " if (gdbarch->${function} == ${predefault})\n" |
1817 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1818 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1819 | then |
be7811ad MD |
1820 | printf " if (gdbarch->${function} == 0)\n" |
1821 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1822 | elif [ -n "${invalid_p}" ] |
104c1213 | 1823 | then |
4d60522e | 1824 | printf " if (${invalid_p})\n" |
f16a1923 | 1825 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1826 | elif [ -n "${predefault}" ] |
104c1213 | 1827 | then |
be7811ad | 1828 | printf " if (gdbarch->${function} == ${predefault})\n" |
f16a1923 | 1829 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1830 | fi |
2ada493a | 1831 | fi |
104c1213 JM |
1832 | done |
1833 | cat <<EOF | |
759ef836 | 1834 | buf = ui_file_xstrdup (log, &length); |
f16a1923 | 1835 | make_cleanup (xfree, buf); |
759ef836 | 1836 | if (length > 0) |
f16a1923 | 1837 | internal_error (__FILE__, __LINE__, |
85c07804 | 1838 | _("verify_gdbarch: the following are invalid ...%s"), |
f16a1923 AC |
1839 | buf); |
1840 | do_cleanups (cleanups); | |
104c1213 JM |
1841 | } |
1842 | EOF | |
1843 | ||
1844 | # dump the structure | |
3d9a5942 AC |
1845 | printf "\n" |
1846 | printf "\n" | |
104c1213 | 1847 | cat <<EOF |
0963b4bd | 1848 | /* Print out the details of the current architecture. */ |
4b9b3959 | 1849 | |
104c1213 | 1850 | void |
be7811ad | 1851 | gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
104c1213 | 1852 | { |
b78960be | 1853 | const char *gdb_nm_file = "<not-defined>"; |
05c547f6 | 1854 | |
b78960be AC |
1855 | #if defined (GDB_NM_FILE) |
1856 | gdb_nm_file = GDB_NM_FILE; | |
1857 | #endif | |
1858 | fprintf_unfiltered (file, | |
1859 | "gdbarch_dump: GDB_NM_FILE = %s\\n", | |
1860 | gdb_nm_file); | |
104c1213 | 1861 | EOF |
97030eea | 1862 | function_list | sort -t: -k 3 | while do_read |
104c1213 | 1863 | do |
1e9f55d0 AC |
1864 | # First the predicate |
1865 | if class_is_predicate_p | |
1866 | then | |
7996bcec | 1867 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1868 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
be7811ad | 1869 | printf " gdbarch_${function}_p (gdbarch));\n" |
08e45a40 | 1870 | fi |
48f7351b | 1871 | # Print the corresponding value. |
283354d8 | 1872 | if class_is_function_p |
4b9b3959 | 1873 | then |
7996bcec | 1874 | printf " fprintf_unfiltered (file,\n" |
30737ed9 JB |
1875 | printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
1876 | printf " host_address_to_string (gdbarch->${function}));\n" | |
4b9b3959 | 1877 | else |
48f7351b | 1878 | # It is a variable |
2f9b146e AC |
1879 | case "${print}:${returntype}" in |
1880 | :CORE_ADDR ) | |
0b1553bc UW |
1881 | fmt="%s" |
1882 | print="core_addr_to_string_nz (gdbarch->${function})" | |
48f7351b | 1883 | ;; |
2f9b146e | 1884 | :* ) |
48f7351b | 1885 | fmt="%s" |
623d3eb1 | 1886 | print="plongest (gdbarch->${function})" |
48f7351b AC |
1887 | ;; |
1888 | * ) | |
2f9b146e | 1889 | fmt="%s" |
48f7351b AC |
1890 | ;; |
1891 | esac | |
3d9a5942 | 1892 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1893 | printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
3d9a5942 | 1894 | printf " ${print});\n" |
2ada493a | 1895 | fi |
104c1213 | 1896 | done |
381323f4 | 1897 | cat <<EOF |
be7811ad MD |
1898 | if (gdbarch->dump_tdep != NULL) |
1899 | gdbarch->dump_tdep (gdbarch, file); | |
381323f4 AC |
1900 | } |
1901 | EOF | |
104c1213 JM |
1902 | |
1903 | ||
1904 | # GET/SET | |
3d9a5942 | 1905 | printf "\n" |
104c1213 JM |
1906 | cat <<EOF |
1907 | struct gdbarch_tdep * | |
1908 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1909 | { | |
1910 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1911 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1912 | return gdbarch->tdep; |
1913 | } | |
1914 | EOF | |
3d9a5942 | 1915 | printf "\n" |
34620563 | 1916 | function_list | while do_read |
104c1213 | 1917 | do |
2ada493a AC |
1918 | if class_is_predicate_p |
1919 | then | |
3d9a5942 AC |
1920 | printf "\n" |
1921 | printf "int\n" | |
1922 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1923 | printf "{\n" | |
8de9bdc4 | 1924 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1925 | printf " return ${predicate};\n" |
3d9a5942 | 1926 | printf "}\n" |
2ada493a AC |
1927 | fi |
1928 | if class_is_function_p | |
1929 | then | |
3d9a5942 AC |
1930 | printf "\n" |
1931 | printf "${returntype}\n" | |
72e74a21 | 1932 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1933 | then |
3d9a5942 | 1934 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1935 | else |
3d9a5942 | 1936 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1937 | fi |
3d9a5942 | 1938 | printf "{\n" |
8de9bdc4 | 1939 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1940 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1941 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1942 | then |
1943 | # Allow a call to a function with a predicate. | |
956ac328 | 1944 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1945 | fi |
3d9a5942 AC |
1946 | printf " if (gdbarch_debug >= 2)\n" |
1947 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1948 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1949 | then |
1950 | if class_is_multiarch_p | |
1951 | then | |
1952 | params="gdbarch" | |
1953 | else | |
1954 | params="" | |
1955 | fi | |
1956 | else | |
1957 | if class_is_multiarch_p | |
1958 | then | |
1959 | params="gdbarch, ${actual}" | |
1960 | else | |
1961 | params="${actual}" | |
1962 | fi | |
1963 | fi | |
72e74a21 | 1964 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1965 | then |
4a5c6a1d | 1966 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1967 | else |
4a5c6a1d | 1968 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1969 | fi |
3d9a5942 AC |
1970 | printf "}\n" |
1971 | printf "\n" | |
1972 | printf "void\n" | |
1973 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1974 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1975 | printf "{\n" | |
1976 | printf " gdbarch->${function} = ${function};\n" | |
1977 | printf "}\n" | |
2ada493a AC |
1978 | elif class_is_variable_p |
1979 | then | |
3d9a5942 AC |
1980 | printf "\n" |
1981 | printf "${returntype}\n" | |
1982 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1983 | printf "{\n" | |
8de9bdc4 | 1984 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1985 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1986 | then |
3d9a5942 | 1987 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1988 | elif [ -n "${invalid_p}" ] |
104c1213 | 1989 | then |
956ac328 AC |
1990 | printf " /* Check variable is valid. */\n" |
1991 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1992 | elif [ -n "${predefault}" ] |
104c1213 | 1993 | then |
956ac328 AC |
1994 | printf " /* Check variable changed from pre-default. */\n" |
1995 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1996 | fi |
3d9a5942 AC |
1997 | printf " if (gdbarch_debug >= 2)\n" |
1998 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1999 | printf " return gdbarch->${function};\n" | |
2000 | printf "}\n" | |
2001 | printf "\n" | |
2002 | printf "void\n" | |
2003 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
2004 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
2005 | printf "{\n" | |
2006 | printf " gdbarch->${function} = ${function};\n" | |
2007 | printf "}\n" | |
2ada493a AC |
2008 | elif class_is_info_p |
2009 | then | |
3d9a5942 AC |
2010 | printf "\n" |
2011 | printf "${returntype}\n" | |
2012 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
2013 | printf "{\n" | |
8de9bdc4 | 2014 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
2015 | printf " if (gdbarch_debug >= 2)\n" |
2016 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
2017 | printf " return gdbarch->${function};\n" | |
2018 | printf "}\n" | |
2ada493a | 2019 | fi |
104c1213 JM |
2020 | done |
2021 | ||
2022 | # All the trailing guff | |
2023 | cat <<EOF | |
2024 | ||
2025 | ||
f44c642f | 2026 | /* Keep a registry of per-architecture data-pointers required by GDB |
0963b4bd | 2027 | modules. */ |
104c1213 JM |
2028 | |
2029 | struct gdbarch_data | |
2030 | { | |
95160752 | 2031 | unsigned index; |
76860b5f | 2032 | int init_p; |
030f20e1 AC |
2033 | gdbarch_data_pre_init_ftype *pre_init; |
2034 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
2035 | }; |
2036 | ||
2037 | struct gdbarch_data_registration | |
2038 | { | |
104c1213 JM |
2039 | struct gdbarch_data *data; |
2040 | struct gdbarch_data_registration *next; | |
2041 | }; | |
2042 | ||
f44c642f | 2043 | struct gdbarch_data_registry |
104c1213 | 2044 | { |
95160752 | 2045 | unsigned nr; |
104c1213 JM |
2046 | struct gdbarch_data_registration *registrations; |
2047 | }; | |
2048 | ||
f44c642f | 2049 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
2050 | { |
2051 | 0, NULL, | |
2052 | }; | |
2053 | ||
030f20e1 AC |
2054 | static struct gdbarch_data * |
2055 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
2056 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
2057 | { |
2058 | struct gdbarch_data_registration **curr; | |
05c547f6 MS |
2059 | |
2060 | /* Append the new registration. */ | |
f44c642f | 2061 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
2062 | (*curr) != NULL; |
2063 | curr = &(*curr)->next); | |
70ba0933 | 2064 | (*curr) = XNEW (struct gdbarch_data_registration); |
104c1213 | 2065 | (*curr)->next = NULL; |
70ba0933 | 2066 | (*curr)->data = XNEW (struct gdbarch_data); |
f44c642f | 2067 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
2068 | (*curr)->data->pre_init = pre_init; |
2069 | (*curr)->data->post_init = post_init; | |
76860b5f | 2070 | (*curr)->data->init_p = 1; |
104c1213 JM |
2071 | return (*curr)->data; |
2072 | } | |
2073 | ||
030f20e1 AC |
2074 | struct gdbarch_data * |
2075 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
2076 | { | |
2077 | return gdbarch_data_register (pre_init, NULL); | |
2078 | } | |
2079 | ||
2080 | struct gdbarch_data * | |
2081 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
2082 | { | |
2083 | return gdbarch_data_register (NULL, post_init); | |
2084 | } | |
104c1213 | 2085 | |
0963b4bd | 2086 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
2087 | |
2088 | static void | |
b3cc3077 | 2089 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 2090 | { |
b3cc3077 JB |
2091 | gdb_assert (gdbarch->data == NULL); |
2092 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 2093 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 2094 | } |
3c875b6f | 2095 | |
76860b5f | 2096 | /* Initialize the current value of the specified per-architecture |
0963b4bd | 2097 | data-pointer. */ |
b3cc3077 | 2098 | |
95160752 | 2099 | void |
030f20e1 AC |
2100 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
2101 | struct gdbarch_data *data, | |
2102 | void *pointer) | |
95160752 AC |
2103 | { |
2104 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 2105 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 2106 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
2107 | gdbarch->data[data->index] = pointer; |
2108 | } | |
2109 | ||
104c1213 | 2110 | /* Return the current value of the specified per-architecture |
0963b4bd | 2111 | data-pointer. */ |
104c1213 JM |
2112 | |
2113 | void * | |
451fbdda | 2114 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 2115 | { |
451fbdda | 2116 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 2117 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 2118 | { |
030f20e1 AC |
2119 | /* The data-pointer isn't initialized, call init() to get a |
2120 | value. */ | |
2121 | if (data->pre_init != NULL) | |
2122 | /* Mid architecture creation: pass just the obstack, and not | |
2123 | the entire architecture, as that way it isn't possible for | |
2124 | pre-init code to refer to undefined architecture | |
2125 | fields. */ | |
2126 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
2127 | else if (gdbarch->initialized_p | |
2128 | && data->post_init != NULL) | |
2129 | /* Post architecture creation: pass the entire architecture | |
2130 | (as all fields are valid), but be careful to also detect | |
2131 | recursive references. */ | |
2132 | { | |
2133 | gdb_assert (data->init_p); | |
2134 | data->init_p = 0; | |
2135 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
2136 | data->init_p = 1; | |
2137 | } | |
2138 | else | |
2139 | /* The architecture initialization hasn't completed - punt - | |
2140 | hope that the caller knows what they are doing. Once | |
2141 | deprecated_set_gdbarch_data has been initialized, this can be | |
2142 | changed to an internal error. */ | |
2143 | return NULL; | |
76860b5f AC |
2144 | gdb_assert (gdbarch->data[data->index] != NULL); |
2145 | } | |
451fbdda | 2146 | return gdbarch->data[data->index]; |
104c1213 JM |
2147 | } |
2148 | ||
2149 | ||
0963b4bd | 2150 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 2151 | |
4b9b3959 | 2152 | struct gdbarch_registration |
104c1213 JM |
2153 | { |
2154 | enum bfd_architecture bfd_architecture; | |
2155 | gdbarch_init_ftype *init; | |
4b9b3959 | 2156 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 2157 | struct gdbarch_list *arches; |
4b9b3959 | 2158 | struct gdbarch_registration *next; |
104c1213 JM |
2159 | }; |
2160 | ||
f44c642f | 2161 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 2162 | |
b4a20239 AC |
2163 | static void |
2164 | append_name (const char ***buf, int *nr, const char *name) | |
2165 | { | |
2166 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
2167 | (*buf)[*nr] = name; | |
2168 | *nr += 1; | |
2169 | } | |
2170 | ||
2171 | const char ** | |
2172 | gdbarch_printable_names (void) | |
2173 | { | |
7996bcec | 2174 | /* Accumulate a list of names based on the registed list of |
0963b4bd | 2175 | architectures. */ |
7996bcec AC |
2176 | int nr_arches = 0; |
2177 | const char **arches = NULL; | |
2178 | struct gdbarch_registration *rego; | |
05c547f6 | 2179 | |
7996bcec AC |
2180 | for (rego = gdbarch_registry; |
2181 | rego != NULL; | |
2182 | rego = rego->next) | |
b4a20239 | 2183 | { |
7996bcec AC |
2184 | const struct bfd_arch_info *ap; |
2185 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2186 | if (ap == NULL) | |
2187 | internal_error (__FILE__, __LINE__, | |
85c07804 | 2188 | _("gdbarch_architecture_names: multi-arch unknown")); |
7996bcec AC |
2189 | do |
2190 | { | |
2191 | append_name (&arches, &nr_arches, ap->printable_name); | |
2192 | ap = ap->next; | |
2193 | } | |
2194 | while (ap != NULL); | |
b4a20239 | 2195 | } |
7996bcec AC |
2196 | append_name (&arches, &nr_arches, NULL); |
2197 | return arches; | |
b4a20239 AC |
2198 | } |
2199 | ||
2200 | ||
104c1213 | 2201 | void |
4b9b3959 AC |
2202 | gdbarch_register (enum bfd_architecture bfd_architecture, |
2203 | gdbarch_init_ftype *init, | |
2204 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 2205 | { |
4b9b3959 | 2206 | struct gdbarch_registration **curr; |
104c1213 | 2207 | const struct bfd_arch_info *bfd_arch_info; |
05c547f6 | 2208 | |
ec3d358c | 2209 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
2210 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
2211 | if (bfd_arch_info == NULL) | |
2212 | { | |
8e65ff28 | 2213 | internal_error (__FILE__, __LINE__, |
0963b4bd MS |
2214 | _("gdbarch: Attempt to register " |
2215 | "unknown architecture (%d)"), | |
8e65ff28 | 2216 | bfd_architecture); |
104c1213 | 2217 | } |
0963b4bd | 2218 | /* Check that we haven't seen this architecture before. */ |
f44c642f | 2219 | for (curr = &gdbarch_registry; |
104c1213 JM |
2220 | (*curr) != NULL; |
2221 | curr = &(*curr)->next) | |
2222 | { | |
2223 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 | 2224 | internal_error (__FILE__, __LINE__, |
64b9b334 | 2225 | _("gdbarch: Duplicate registration " |
0963b4bd | 2226 | "of architecture (%s)"), |
8e65ff28 | 2227 | bfd_arch_info->printable_name); |
104c1213 JM |
2228 | } |
2229 | /* log it */ | |
2230 | if (gdbarch_debug) | |
30737ed9 | 2231 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
104c1213 | 2232 | bfd_arch_info->printable_name, |
30737ed9 | 2233 | host_address_to_string (init)); |
104c1213 | 2234 | /* Append it */ |
70ba0933 | 2235 | (*curr) = XNEW (struct gdbarch_registration); |
104c1213 JM |
2236 | (*curr)->bfd_architecture = bfd_architecture; |
2237 | (*curr)->init = init; | |
4b9b3959 | 2238 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
2239 | (*curr)->arches = NULL; |
2240 | (*curr)->next = NULL; | |
4b9b3959 AC |
2241 | } |
2242 | ||
2243 | void | |
2244 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
2245 | gdbarch_init_ftype *init) | |
2246 | { | |
2247 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 2248 | } |
104c1213 JM |
2249 | |
2250 | ||
424163ea | 2251 | /* Look for an architecture using gdbarch_info. */ |
104c1213 JM |
2252 | |
2253 | struct gdbarch_list * | |
2254 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
2255 | const struct gdbarch_info *info) | |
2256 | { | |
2257 | for (; arches != NULL; arches = arches->next) | |
2258 | { | |
2259 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
2260 | continue; | |
2261 | if (info->byte_order != arches->gdbarch->byte_order) | |
2262 | continue; | |
4be87837 DJ |
2263 | if (info->osabi != arches->gdbarch->osabi) |
2264 | continue; | |
424163ea DJ |
2265 | if (info->target_desc != arches->gdbarch->target_desc) |
2266 | continue; | |
104c1213 JM |
2267 | return arches; |
2268 | } | |
2269 | return NULL; | |
2270 | } | |
2271 | ||
2272 | ||
ebdba546 | 2273 | /* Find an architecture that matches the specified INFO. Create a new |
59837fe0 | 2274 | architecture if needed. Return that new architecture. */ |
104c1213 | 2275 | |
59837fe0 UW |
2276 | struct gdbarch * |
2277 | gdbarch_find_by_info (struct gdbarch_info info) | |
104c1213 JM |
2278 | { |
2279 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 2280 | struct gdbarch_registration *rego; |
104c1213 | 2281 | |
b732d07d | 2282 | /* Fill in missing parts of the INFO struct using a number of |
7a107747 DJ |
2283 | sources: "set ..."; INFOabfd supplied; and the global |
2284 | defaults. */ | |
2285 | gdbarch_info_fill (&info); | |
4be87837 | 2286 | |
0963b4bd | 2287 | /* Must have found some sort of architecture. */ |
b732d07d | 2288 | gdb_assert (info.bfd_arch_info != NULL); |
104c1213 JM |
2289 | |
2290 | if (gdbarch_debug) | |
2291 | { | |
2292 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2293 | "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
2294 | (info.bfd_arch_info != NULL |
2295 | ? info.bfd_arch_info->printable_name | |
2296 | : "(null)")); | |
2297 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2298 | "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
104c1213 | 2299 | info.byte_order, |
d7449b42 | 2300 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 2301 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 2302 | : "default")); |
4be87837 | 2303 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2304 | "gdbarch_find_by_info: info.osabi %d (%s)\n", |
4be87837 | 2305 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 2306 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2307 | "gdbarch_find_by_info: info.abfd %s\n", |
30737ed9 | 2308 | host_address_to_string (info.abfd)); |
104c1213 | 2309 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2310 | "gdbarch_find_by_info: info.tdep_info %s\n", |
30737ed9 | 2311 | host_address_to_string (info.tdep_info)); |
104c1213 JM |
2312 | } |
2313 | ||
ebdba546 | 2314 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
2315 | for (rego = gdbarch_registry; |
2316 | rego != NULL; | |
2317 | rego = rego->next) | |
2318 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
2319 | break; | |
2320 | if (rego == NULL) | |
2321 | { | |
2322 | if (gdbarch_debug) | |
59837fe0 | 2323 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 | 2324 | "No matching architecture\n"); |
b732d07d AC |
2325 | return 0; |
2326 | } | |
2327 | ||
ebdba546 | 2328 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
2329 | new_gdbarch = rego->init (info, rego->arches); |
2330 | ||
ebdba546 AC |
2331 | /* Did the tdep code like it? No. Reject the change and revert to |
2332 | the old architecture. */ | |
104c1213 JM |
2333 | if (new_gdbarch == NULL) |
2334 | { | |
2335 | if (gdbarch_debug) | |
59837fe0 | 2336 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 AC |
2337 | "Target rejected architecture\n"); |
2338 | return NULL; | |
104c1213 JM |
2339 | } |
2340 | ||
ebdba546 AC |
2341 | /* Is this a pre-existing architecture (as determined by already |
2342 | being initialized)? Move it to the front of the architecture | |
2343 | list (keeping the list sorted Most Recently Used). */ | |
2344 | if (new_gdbarch->initialized_p) | |
104c1213 | 2345 | { |
ebdba546 AC |
2346 | struct gdbarch_list **list; |
2347 | struct gdbarch_list *this; | |
104c1213 | 2348 | if (gdbarch_debug) |
59837fe0 | 2349 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2350 | "Previous architecture %s (%s) selected\n", |
2351 | host_address_to_string (new_gdbarch), | |
104c1213 | 2352 | new_gdbarch->bfd_arch_info->printable_name); |
ebdba546 AC |
2353 | /* Find the existing arch in the list. */ |
2354 | for (list = ®o->arches; | |
2355 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2356 | list = &(*list)->next); | |
2357 | /* It had better be in the list of architectures. */ | |
2358 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2359 | /* Unlink THIS. */ | |
2360 | this = (*list); | |
2361 | (*list) = this->next; | |
2362 | /* Insert THIS at the front. */ | |
2363 | this->next = rego->arches; | |
2364 | rego->arches = this; | |
2365 | /* Return it. */ | |
2366 | return new_gdbarch; | |
104c1213 JM |
2367 | } |
2368 | ||
ebdba546 AC |
2369 | /* It's a new architecture. */ |
2370 | if (gdbarch_debug) | |
59837fe0 | 2371 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2372 | "New architecture %s (%s) selected\n", |
2373 | host_address_to_string (new_gdbarch), | |
ebdba546 AC |
2374 | new_gdbarch->bfd_arch_info->printable_name); |
2375 | ||
2376 | /* Insert the new architecture into the front of the architecture | |
2377 | list (keep the list sorted Most Recently Used). */ | |
0f79675b | 2378 | { |
70ba0933 | 2379 | struct gdbarch_list *this = XNEW (struct gdbarch_list); |
0f79675b AC |
2380 | this->next = rego->arches; |
2381 | this->gdbarch = new_gdbarch; | |
2382 | rego->arches = this; | |
2383 | } | |
104c1213 | 2384 | |
4b9b3959 AC |
2385 | /* Check that the newly installed architecture is valid. Plug in |
2386 | any post init values. */ | |
2387 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2388 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2389 | new_gdbarch->initialized_p = 1; |
104c1213 | 2390 | |
4b9b3959 | 2391 | if (gdbarch_debug) |
ebdba546 AC |
2392 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2393 | ||
2394 | return new_gdbarch; | |
2395 | } | |
2396 | ||
e487cc15 | 2397 | /* Make the specified architecture current. */ |
ebdba546 AC |
2398 | |
2399 | void | |
aff68abb | 2400 | set_target_gdbarch (struct gdbarch *new_gdbarch) |
ebdba546 AC |
2401 | { |
2402 | gdb_assert (new_gdbarch != NULL); | |
ebdba546 | 2403 | gdb_assert (new_gdbarch->initialized_p); |
6ecd4729 | 2404 | current_inferior ()->gdbarch = new_gdbarch; |
383f836e | 2405 | observer_notify_architecture_changed (new_gdbarch); |
a3ecef73 | 2406 | registers_changed (); |
ebdba546 | 2407 | } |
104c1213 | 2408 | |
f5656ead | 2409 | /* Return the current inferior's arch. */ |
6ecd4729 PA |
2410 | |
2411 | struct gdbarch * | |
f5656ead | 2412 | target_gdbarch (void) |
6ecd4729 PA |
2413 | { |
2414 | return current_inferior ()->gdbarch; | |
2415 | } | |
2416 | ||
104c1213 | 2417 | extern void _initialize_gdbarch (void); |
b4a20239 | 2418 | |
104c1213 | 2419 | void |
34620563 | 2420 | _initialize_gdbarch (void) |
104c1213 | 2421 | { |
ccce17b0 | 2422 | add_setshow_zuinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
85c07804 AC |
2423 | Set architecture debugging."), _("\\ |
2424 | Show architecture debugging."), _("\\ | |
2425 | When non-zero, architecture debugging is enabled."), | |
2426 | NULL, | |
920d2a44 | 2427 | show_gdbarch_debug, |
85c07804 | 2428 | &setdebuglist, &showdebuglist); |
104c1213 JM |
2429 | } |
2430 | EOF | |
2431 | ||
2432 | # close things off | |
2433 | exec 1>&2 | |
2434 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2435 | compare_new gdbarch.c |