Commit | Line | Data |
---|---|---|
66b43ecb | 1 | #!/bin/sh -u |
104c1213 JM |
2 | |
3 | # Architecture commands for GDB, the GNU debugger. | |
79d45cd4 | 4 | # |
ecd75fc8 | 5 | # Copyright (C) 1998-2014 Free Software Foundation, Inc. |
104c1213 JM |
6 | # |
7 | # This file is part of GDB. | |
8 | # | |
9 | # This program is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
50efebf8 | 11 | # the Free Software Foundation; either version 3 of the License, or |
104c1213 JM |
12 | # (at your option) any later version. |
13 | # | |
14 | # This program is distributed in the hope that it will be useful, | |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | # GNU General Public License for more details. | |
18 | # | |
19 | # You should have received a copy of the GNU General Public License | |
50efebf8 | 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
104c1213 | 21 | |
6e2c7fa1 | 22 | # Make certain that the script is not running in an internationalized |
d8864532 | 23 | # environment. |
0e05dfcb DJ |
24 | LANG=C ; export LANG |
25 | LC_ALL=C ; export LC_ALL | |
d8864532 AC |
26 | |
27 | ||
59233f88 AC |
28 | compare_new () |
29 | { | |
30 | file=$1 | |
66b43ecb | 31 | if test ! -r ${file} |
59233f88 AC |
32 | then |
33 | echo "${file} missing? cp new-${file} ${file}" 1>&2 | |
50248794 | 34 | elif diff -u ${file} new-${file} |
59233f88 AC |
35 | then |
36 | echo "${file} unchanged" 1>&2 | |
37 | else | |
38 | echo "${file} has changed? cp new-${file} ${file}" 1>&2 | |
39 | fi | |
40 | } | |
41 | ||
42 | ||
43 | # Format of the input table | |
97030eea | 44 | read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol" |
c0e8c252 AC |
45 | |
46 | do_read () | |
47 | { | |
34620563 AC |
48 | comment="" |
49 | class="" | |
c9023fb3 PA |
50 | # On some SH's, 'read' trims leading and trailing whitespace by |
51 | # default (e.g., bash), while on others (e.g., dash), it doesn't. | |
52 | # Set IFS to empty to disable the trimming everywhere. | |
53 | while IFS='' read line | |
34620563 AC |
54 | do |
55 | if test "${line}" = "" | |
56 | then | |
57 | continue | |
58 | elif test "${line}" = "#" -a "${comment}" = "" | |
f0d4cc9e | 59 | then |
34620563 AC |
60 | continue |
61 | elif expr "${line}" : "#" > /dev/null | |
f0d4cc9e | 62 | then |
34620563 AC |
63 | comment="${comment} |
64 | ${line}" | |
f0d4cc9e | 65 | else |
3d9a5942 AC |
66 | |
67 | # The semantics of IFS varies between different SH's. Some | |
68 | # treat ``::' as three fields while some treat it as just too. | |
69 | # Work around this by eliminating ``::'' .... | |
70 | line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`" | |
71 | ||
72 | OFS="${IFS}" ; IFS="[:]" | |
34620563 AC |
73 | eval read ${read} <<EOF |
74 | ${line} | |
75 | EOF | |
76 | IFS="${OFS}" | |
77 | ||
283354d8 AC |
78 | if test -n "${garbage_at_eol}" |
79 | then | |
80 | echo "Garbage at end-of-line in ${line}" 1>&2 | |
81 | kill $$ | |
82 | exit 1 | |
83 | fi | |
84 | ||
3d9a5942 AC |
85 | # .... and then going back through each field and strip out those |
86 | # that ended up with just that space character. | |
87 | for r in ${read} | |
88 | do | |
89 | if eval test \"\${${r}}\" = \"\ \" | |
90 | then | |
91 | eval ${r}="" | |
92 | fi | |
93 | done | |
94 | ||
a72293e2 AC |
95 | case "${class}" in |
96 | m ) staticdefault="${predefault}" ;; | |
97 | M ) staticdefault="0" ;; | |
98 | * ) test "${staticdefault}" || staticdefault=0 ;; | |
99 | esac | |
06b25f14 | 100 | |
ae45cd16 AC |
101 | case "${class}" in |
102 | F | V | M ) | |
103 | case "${invalid_p}" in | |
34620563 | 104 | "" ) |
f7968451 | 105 | if test -n "${predefault}" |
34620563 AC |
106 | then |
107 | #invalid_p="gdbarch->${function} == ${predefault}" | |
ae45cd16 | 108 | predicate="gdbarch->${function} != ${predefault}" |
f7968451 AC |
109 | elif class_is_variable_p |
110 | then | |
111 | predicate="gdbarch->${function} != 0" | |
112 | elif class_is_function_p | |
113 | then | |
114 | predicate="gdbarch->${function} != NULL" | |
34620563 AC |
115 | fi |
116 | ;; | |
ae45cd16 | 117 | * ) |
1e9f55d0 | 118 | echo "Predicate function ${function} with invalid_p." 1>&2 |
ae45cd16 AC |
119 | kill $$ |
120 | exit 1 | |
121 | ;; | |
122 | esac | |
34620563 AC |
123 | esac |
124 | ||
125 | # PREDEFAULT is a valid fallback definition of MEMBER when | |
126 | # multi-arch is not enabled. This ensures that the | |
127 | # default value, when multi-arch is the same as the | |
128 | # default value when not multi-arch. POSTDEFAULT is | |
129 | # always a valid definition of MEMBER as this again | |
130 | # ensures consistency. | |
131 | ||
72e74a21 | 132 | if [ -n "${postdefault}" ] |
34620563 AC |
133 | then |
134 | fallbackdefault="${postdefault}" | |
72e74a21 | 135 | elif [ -n "${predefault}" ] |
34620563 AC |
136 | then |
137 | fallbackdefault="${predefault}" | |
138 | else | |
73d3c16e | 139 | fallbackdefault="0" |
34620563 AC |
140 | fi |
141 | ||
142 | #NOT YET: See gdbarch.log for basic verification of | |
143 | # database | |
144 | ||
145 | break | |
f0d4cc9e | 146 | fi |
34620563 | 147 | done |
72e74a21 | 148 | if [ -n "${class}" ] |
34620563 AC |
149 | then |
150 | true | |
c0e8c252 AC |
151 | else |
152 | false | |
153 | fi | |
154 | } | |
155 | ||
104c1213 | 156 | |
f0d4cc9e AC |
157 | fallback_default_p () |
158 | { | |
72e74a21 JB |
159 | [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \ |
160 | || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ] | |
f0d4cc9e AC |
161 | } |
162 | ||
163 | class_is_variable_p () | |
164 | { | |
4a5c6a1d AC |
165 | case "${class}" in |
166 | *v* | *V* ) true ;; | |
167 | * ) false ;; | |
168 | esac | |
f0d4cc9e AC |
169 | } |
170 | ||
171 | class_is_function_p () | |
172 | { | |
4a5c6a1d AC |
173 | case "${class}" in |
174 | *f* | *F* | *m* | *M* ) true ;; | |
175 | * ) false ;; | |
176 | esac | |
177 | } | |
178 | ||
179 | class_is_multiarch_p () | |
180 | { | |
181 | case "${class}" in | |
182 | *m* | *M* ) true ;; | |
183 | * ) false ;; | |
184 | esac | |
f0d4cc9e AC |
185 | } |
186 | ||
187 | class_is_predicate_p () | |
188 | { | |
4a5c6a1d AC |
189 | case "${class}" in |
190 | *F* | *V* | *M* ) true ;; | |
191 | * ) false ;; | |
192 | esac | |
f0d4cc9e AC |
193 | } |
194 | ||
195 | class_is_info_p () | |
196 | { | |
4a5c6a1d AC |
197 | case "${class}" in |
198 | *i* ) true ;; | |
199 | * ) false ;; | |
200 | esac | |
f0d4cc9e AC |
201 | } |
202 | ||
203 | ||
cff3e48b JM |
204 | # dump out/verify the doco |
205 | for field in ${read} | |
206 | do | |
207 | case ${field} in | |
208 | ||
209 | class ) : ;; | |
c4093a6a | 210 | |
c0e8c252 AC |
211 | # # -> line disable |
212 | # f -> function | |
213 | # hiding a function | |
2ada493a AC |
214 | # F -> function + predicate |
215 | # hiding a function + predicate to test function validity | |
c0e8c252 AC |
216 | # v -> variable |
217 | # hiding a variable | |
2ada493a AC |
218 | # V -> variable + predicate |
219 | # hiding a variable + predicate to test variables validity | |
c0e8c252 AC |
220 | # i -> set from info |
221 | # hiding something from the ``struct info'' object | |
4a5c6a1d AC |
222 | # m -> multi-arch function |
223 | # hiding a multi-arch function (parameterised with the architecture) | |
224 | # M -> multi-arch function + predicate | |
225 | # hiding a multi-arch function + predicate to test function validity | |
cff3e48b | 226 | |
cff3e48b JM |
227 | returntype ) : ;; |
228 | ||
c0e8c252 | 229 | # For functions, the return type; for variables, the data type |
cff3e48b JM |
230 | |
231 | function ) : ;; | |
232 | ||
c0e8c252 AC |
233 | # For functions, the member function name; for variables, the |
234 | # variable name. Member function names are always prefixed with | |
235 | # ``gdbarch_'' for name-space purity. | |
cff3e48b JM |
236 | |
237 | formal ) : ;; | |
238 | ||
c0e8c252 AC |
239 | # The formal argument list. It is assumed that the formal |
240 | # argument list includes the actual name of each list element. | |
241 | # A function with no arguments shall have ``void'' as the | |
242 | # formal argument list. | |
cff3e48b JM |
243 | |
244 | actual ) : ;; | |
245 | ||
c0e8c252 AC |
246 | # The list of actual arguments. The arguments specified shall |
247 | # match the FORMAL list given above. Functions with out | |
248 | # arguments leave this blank. | |
cff3e48b | 249 | |
0b8f9e4d | 250 | staticdefault ) : ;; |
c0e8c252 AC |
251 | |
252 | # To help with the GDB startup a static gdbarch object is | |
0b8f9e4d AC |
253 | # created. STATICDEFAULT is the value to insert into that |
254 | # static gdbarch object. Since this a static object only | |
255 | # simple expressions can be used. | |
cff3e48b | 256 | |
0b8f9e4d | 257 | # If STATICDEFAULT is empty, zero is used. |
c0e8c252 | 258 | |
0b8f9e4d | 259 | predefault ) : ;; |
cff3e48b | 260 | |
10312cc4 AC |
261 | # An initial value to assign to MEMBER of the freshly |
262 | # malloc()ed gdbarch object. After initialization, the | |
263 | # freshly malloc()ed object is passed to the target | |
264 | # architecture code for further updates. | |
cff3e48b | 265 | |
0b8f9e4d AC |
266 | # If PREDEFAULT is empty, zero is used. |
267 | ||
10312cc4 AC |
268 | # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero |
269 | # INVALID_P are specified, PREDEFAULT will be used as the | |
270 | # default for the non- multi-arch target. | |
271 | ||
272 | # A zero PREDEFAULT function will force the fallback to call | |
273 | # internal_error(). | |
f0d4cc9e AC |
274 | |
275 | # Variable declarations can refer to ``gdbarch'' which will | |
276 | # contain the current architecture. Care should be taken. | |
0b8f9e4d AC |
277 | |
278 | postdefault ) : ;; | |
279 | ||
280 | # A value to assign to MEMBER of the new gdbarch object should | |
10312cc4 AC |
281 | # the target architecture code fail to change the PREDEFAULT |
282 | # value. | |
0b8f9e4d AC |
283 | |
284 | # If POSTDEFAULT is empty, no post update is performed. | |
285 | ||
286 | # If both INVALID_P and POSTDEFAULT are non-empty then | |
287 | # INVALID_P will be used to determine if MEMBER should be | |
288 | # changed to POSTDEFAULT. | |
289 | ||
10312cc4 AC |
290 | # If a non-empty POSTDEFAULT and a zero INVALID_P are |
291 | # specified, POSTDEFAULT will be used as the default for the | |
292 | # non- multi-arch target (regardless of the value of | |
293 | # PREDEFAULT). | |
294 | ||
f0d4cc9e AC |
295 | # You cannot specify both a zero INVALID_P and a POSTDEFAULT. |
296 | ||
be7811ad | 297 | # Variable declarations can refer to ``gdbarch'' which |
db446970 AC |
298 | # will contain the current architecture. Care should be |
299 | # taken. | |
cff3e48b | 300 | |
c4093a6a | 301 | invalid_p ) : ;; |
cff3e48b | 302 | |
0b8f9e4d | 303 | # A predicate equation that validates MEMBER. Non-zero is |
c0e8c252 | 304 | # returned if the code creating the new architecture failed to |
0b8f9e4d AC |
305 | # initialize MEMBER or the initialized the member is invalid. |
306 | # If POSTDEFAULT is non-empty then MEMBER will be updated to | |
307 | # that value. If POSTDEFAULT is empty then internal_error() | |
308 | # is called. | |
309 | ||
310 | # If INVALID_P is empty, a check that MEMBER is no longer | |
311 | # equal to PREDEFAULT is used. | |
312 | ||
f0d4cc9e AC |
313 | # The expression ``0'' disables the INVALID_P check making |
314 | # PREDEFAULT a legitimate value. | |
0b8f9e4d AC |
315 | |
316 | # See also PREDEFAULT and POSTDEFAULT. | |
cff3e48b | 317 | |
cff3e48b JM |
318 | print ) : ;; |
319 | ||
2f9b146e AC |
320 | # An optional expression that convers MEMBER to a value |
321 | # suitable for formatting using %s. | |
c0e8c252 | 322 | |
0b1553bc UW |
323 | # If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR) |
324 | # or plongest (anything else) is used. | |
cff3e48b | 325 | |
283354d8 | 326 | garbage_at_eol ) : ;; |
0b8f9e4d | 327 | |
283354d8 | 328 | # Catches stray fields. |
cff3e48b | 329 | |
50248794 AC |
330 | *) |
331 | echo "Bad field ${field}" | |
332 | exit 1;; | |
cff3e48b JM |
333 | esac |
334 | done | |
335 | ||
cff3e48b | 336 | |
104c1213 JM |
337 | function_list () |
338 | { | |
cff3e48b | 339 | # See below (DOCO) for description of each field |
34620563 | 340 | cat <<EOF |
be7811ad | 341 | i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name |
104c1213 | 342 | # |
94123b4f YQ |
343 | i:enum bfd_endian:byte_order:::BFD_ENDIAN_BIG |
344 | i:enum bfd_endian:byte_order_for_code:::BFD_ENDIAN_BIG | |
4be87837 | 345 | # |
97030eea | 346 | i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN |
424163ea | 347 | # |
30737ed9 | 348 | i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc) |
32c9a795 MD |
349 | |
350 | # The bit byte-order has to do just with numbering of bits in debugging symbols | |
351 | # and such. Conceptually, it's quite separate from byte/word byte order. | |
352 | v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0 | |
353 | ||
66b43ecb AC |
354 | # Number of bits in a char or unsigned char for the target machine. |
355 | # Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 356 | # v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
357 | # |
358 | # Number of bits in a short or unsigned short for the target machine. | |
97030eea | 359 | v:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0 |
66b43ecb | 360 | # Number of bits in an int or unsigned int for the target machine. |
97030eea | 361 | v:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0 |
66b43ecb | 362 | # Number of bits in a long or unsigned long for the target machine. |
97030eea | 363 | v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0 |
66b43ecb AC |
364 | # Number of bits in a long long or unsigned long long for the target |
365 | # machine. | |
be7811ad | 366 | v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 |
205c306f DM |
367 | # Alignment of a long long or unsigned long long for the target |
368 | # machine. | |
369 | v:int:long_long_align_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 | |
456fcf94 | 370 | |
f9e9243a UW |
371 | # The ABI default bit-size and format for "half", "float", "double", and |
372 | # "long double". These bit/format pairs should eventually be combined | |
373 | # into a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
374 | # Each format describes both the big and little endian layouts (if |
375 | # useful). | |
456fcf94 | 376 | |
f9e9243a UW |
377 | v:int:half_bit:::16:2*TARGET_CHAR_BIT::0 |
378 | v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format) | |
97030eea | 379 | v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0 |
be7811ad | 380 | v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format) |
97030eea | 381 | v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0 |
be7811ad | 382 | v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format) |
97030eea | 383 | v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0 |
be7811ad | 384 | v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format) |
456fcf94 | 385 | |
52204a0b DT |
386 | # For most targets, a pointer on the target and its representation as an |
387 | # address in GDB have the same size and "look the same". For such a | |
17a912b6 | 388 | # target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
389 | # / addr_bit will be set from it. |
390 | # | |
17a912b6 | 391 | # If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
8da614df CV |
392 | # also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
393 | # gdbarch_address_to_pointer as well. | |
52204a0b DT |
394 | # |
395 | # ptr_bit is the size of a pointer on the target | |
be7811ad | 396 | v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0 |
52204a0b | 397 | # addr_bit is the size of a target address as represented in gdb |
be7811ad | 398 | v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch): |
104c1213 | 399 | # |
8da614df CV |
400 | # dwarf2_addr_size is the target address size as used in the Dwarf debug |
401 | # info. For .debug_frame FDEs, this is supposed to be the target address | |
402 | # size from the associated CU header, and which is equivalent to the | |
403 | # DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. | |
404 | # Unfortunately there is no good way to determine this value. Therefore | |
405 | # dwarf2_addr_size simply defaults to the target pointer size. | |
406 | # | |
407 | # dwarf2_addr_size is not used for .eh_frame FDEs, which are generally | |
408 | # defined using the target's pointer size so far. | |
409 | # | |
410 | # Note that dwarf2_addr_size only needs to be redefined by a target if the | |
411 | # GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, | |
412 | # and if Dwarf versions < 4 need to be supported. | |
413 | v:int:dwarf2_addr_size:::sizeof (void*):0:gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT: | |
414 | # | |
4e409299 | 415 | # One if \`char' acts like \`signed char', zero if \`unsigned char'. |
97030eea | 416 | v:int:char_signed:::1:-1:1 |
4e409299 | 417 | # |
97030eea UW |
418 | F:CORE_ADDR:read_pc:struct regcache *regcache:regcache |
419 | F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val | |
39d4ef09 AC |
420 | # Function for getting target's idea of a frame pointer. FIXME: GDB's |
421 | # whole scheme for dealing with "frames" and "frame pointers" needs a | |
422 | # serious shakedown. | |
a54fba4c | 423 | m:void:virtual_frame_pointer:CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset:pc, frame_regnum, frame_offset:0:legacy_virtual_frame_pointer::0 |
66b43ecb | 424 | # |
05d1431c | 425 | M:enum register_status:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf |
3543a589 TT |
426 | # Read a register into a new struct value. If the register is wholly |
427 | # or partly unavailable, this should call mark_value_bytes_unavailable | |
428 | # as appropriate. If this is defined, then pseudo_register_read will | |
429 | # never be called. | |
430 | M:struct value *:pseudo_register_read_value:struct regcache *regcache, int cookednum:regcache, cookednum | |
97030eea | 431 | M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf |
61a0eb5b | 432 | # |
97030eea | 433 | v:int:num_regs:::0:-1 |
0aba1244 EZ |
434 | # This macro gives the number of pseudo-registers that live in the |
435 | # register namespace but do not get fetched or stored on the target. | |
3d9a5942 AC |
436 | # These pseudo-registers may be aliases for other registers, |
437 | # combinations of other registers, or they may be computed by GDB. | |
97030eea | 438 | v:int:num_pseudo_regs:::0:0::0 |
c2169756 | 439 | |
175ff332 HZ |
440 | # Assemble agent expression bytecode to collect pseudo-register REG. |
441 | # Return -1 if something goes wrong, 0 otherwise. | |
442 | M:int:ax_pseudo_register_collect:struct agent_expr *ax, int reg:ax, reg | |
443 | ||
444 | # Assemble agent expression bytecode to push the value of pseudo-register | |
445 | # REG on the interpreter stack. | |
446 | # Return -1 if something goes wrong, 0 otherwise. | |
447 | M:int:ax_pseudo_register_push_stack:struct agent_expr *ax, int reg:ax, reg | |
448 | ||
c2169756 AC |
449 | # GDB's standard (or well known) register numbers. These can map onto |
450 | # a real register or a pseudo (computed) register or not be defined at | |
1200cd6e | 451 | # all (-1). |
3e8c568d | 452 | # gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. |
97030eea UW |
453 | v:int:sp_regnum:::-1:-1::0 |
454 | v:int:pc_regnum:::-1:-1::0 | |
455 | v:int:ps_regnum:::-1:-1::0 | |
456 | v:int:fp0_regnum:::0:-1::0 | |
88c72b7d | 457 | # Convert stab register number (from \`r\' declaration) to a gdb REGNUM. |
d3f73121 | 458 | m:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 459 | # Provide a default mapping from a ecoff register number to a gdb REGNUM. |
d3f73121 | 460 | m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 461 | # Convert from an sdb register number to an internal gdb register number. |
d3f73121 | 462 | m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0 |
ba2b1c56 | 463 | # Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
d3f73121 | 464 | m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0 |
d93859e2 | 465 | m:const char *:register_name:int regnr:regnr::0 |
9c04cab7 | 466 | |
7b9ee6a8 DJ |
467 | # Return the type of a register specified by the architecture. Only |
468 | # the register cache should call this function directly; others should | |
469 | # use "register_type". | |
97030eea | 470 | M:struct type *:register_type:int reg_nr:reg_nr |
9c04cab7 | 471 | |
669fac23 DJ |
472 | M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame |
473 | # Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete | |
064f5156 | 474 | # deprecated_fp_regnum. |
97030eea | 475 | v:int:deprecated_fp_regnum:::-1:-1::0 |
f3be58bc | 476 | |
97030eea UW |
477 | M:CORE_ADDR:push_dummy_call:struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:function, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr |
478 | v:int:call_dummy_location::::AT_ENTRY_POINT::0 | |
479 | M:CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache:sp, funaddr, args, nargs, value_type, real_pc, bp_addr, regcache | |
57010b1c | 480 | |
97030eea UW |
481 | m:void:print_registers_info:struct ui_file *file, struct frame_info *frame, int regnum, int all:file, frame, regnum, all::default_print_registers_info::0 |
482 | M:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
483 | M:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
7c7651b2 AC |
484 | # MAP a GDB RAW register number onto a simulator register number. See |
485 | # also include/...-sim.h. | |
e7faf938 | 486 | m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0 |
64a3914f MD |
487 | m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0 |
488 | m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0 | |
eade6471 JB |
489 | |
490 | # Determine the address where a longjmp will land and save this address | |
491 | # in PC. Return nonzero on success. | |
492 | # | |
493 | # FRAME corresponds to the longjmp frame. | |
97030eea | 494 | F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc |
eade6471 | 495 | |
104c1213 | 496 | # |
97030eea | 497 | v:int:believe_pcc_promotion::::::: |
104c1213 | 498 | # |
0abe36f5 | 499 | m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0 |
8dccd430 | 500 | f:int:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep:frame, regnum, type, buf, optimizedp, unavailablep:0 |
97030eea | 501 | f:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0 |
9acbedc0 | 502 | # Construct a value representing the contents of register REGNUM in |
2ed3c037 | 503 | # frame FRAME_ID, interpreted as type TYPE. The routine needs to |
9acbedc0 UW |
504 | # allocate and return a struct value with all value attributes |
505 | # (but not the value contents) filled in. | |
2ed3c037 | 506 | m:struct value *:value_from_register:struct type *type, int regnum, struct frame_id frame_id:type, regnum, frame_id::default_value_from_register::0 |
104c1213 | 507 | # |
9898f801 UW |
508 | m:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0 |
509 | m:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0 | |
97030eea | 510 | M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf |
92ad9cd9 | 511 | |
6a3a010b MR |
512 | # Return the return-value convention that will be used by FUNCTION |
513 | # to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
514 | # case the return convention is computed based only on VALTYPE. |
515 | # | |
516 | # If READBUF is not NULL, extract the return value and save it in this buffer. | |
517 | # | |
518 | # If WRITEBUF is not NULL, it contains a return value which will be | |
519 | # stored into the appropriate register. This can be used when we want | |
520 | # to force the value returned by a function (see the "return" command | |
521 | # for instance). | |
6a3a010b | 522 | M:enum return_value_convention:return_value:struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:function, valtype, regcache, readbuf, writebuf |
92ad9cd9 | 523 | |
18648a37 YQ |
524 | # Return true if the return value of function is stored in the first hidden |
525 | # parameter. In theory, this feature should be language-dependent, specified | |
526 | # by language and its ABI, such as C++. Unfortunately, compiler may | |
527 | # implement it to a target-dependent feature. So that we need such hook here | |
528 | # to be aware of this in GDB. | |
529 | m:int:return_in_first_hidden_param_p:struct type *type:type::default_return_in_first_hidden_param_p::0 | |
530 | ||
6093d2eb | 531 | m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0 |
4309257c | 532 | M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip |
591a12a1 UW |
533 | # On some platforms, a single function may provide multiple entry points, |
534 | # e.g. one that is used for function-pointer calls and a different one | |
535 | # that is used for direct function calls. | |
536 | # In order to ensure that breakpoints set on the function will trigger | |
537 | # no matter via which entry point the function is entered, a platform | |
538 | # may provide the skip_entrypoint callback. It is called with IP set | |
539 | # to the main entry point of a function (as determined by the symbol table), | |
540 | # and should return the address of the innermost entry point, where the | |
541 | # actual breakpoint needs to be set. Note that skip_entrypoint is used | |
542 | # by GDB common code even when debugging optimized code, where skip_prologue | |
543 | # is not used. | |
544 | M:CORE_ADDR:skip_entrypoint:CORE_ADDR ip:ip | |
545 | ||
97030eea | 546 | f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0 |
67d57894 | 547 | m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0: |
a1dcb23a DJ |
548 | # Return the adjusted address and kind to use for Z0/Z1 packets. |
549 | # KIND is usually the memory length of the breakpoint, but may have a | |
550 | # different target-specific meaning. | |
0e05dfcb | 551 | m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0 |
97030eea | 552 | M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr |
ae4b2284 MD |
553 | m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0 |
554 | m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0 | |
97030eea | 555 | v:CORE_ADDR:decr_pc_after_break:::0:::0 |
782263ab AC |
556 | |
557 | # A function can be addressed by either it's "pointer" (possibly a | |
558 | # descriptor address) or "entry point" (first executable instruction). | |
559 | # The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 560 | # latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
561 | # a simplified subset of that functionality - the function's address |
562 | # corresponds to the "function pointer" and the function's start | |
563 | # corresponds to the "function entry point" - and hence is redundant. | |
564 | ||
97030eea | 565 | v:CORE_ADDR:deprecated_function_start_offset:::0:::0 |
782263ab | 566 | |
123dc839 DJ |
567 | # Return the remote protocol register number associated with this |
568 | # register. Normally the identity mapping. | |
97030eea | 569 | m:int:remote_register_number:int regno:regno::default_remote_register_number::0 |
123dc839 | 570 | |
b2756930 | 571 | # Fetch the target specific address used to represent a load module. |
97030eea | 572 | F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile |
104c1213 | 573 | # |
97030eea UW |
574 | v:CORE_ADDR:frame_args_skip:::0:::0 |
575 | M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame | |
576 | M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame | |
42efa47a AC |
577 | # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
578 | # frame-base. Enable frame-base before frame-unwind. | |
97030eea | 579 | F:int:frame_num_args:struct frame_info *frame:frame |
104c1213 | 580 | # |
97030eea UW |
581 | M:CORE_ADDR:frame_align:CORE_ADDR address:address |
582 | m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0 | |
583 | v:int:frame_red_zone_size | |
f0d4cc9e | 584 | # |
97030eea | 585 | m:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_addr_identity::0 |
875e1767 AC |
586 | # On some machines there are bits in addresses which are not really |
587 | # part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 588 | # for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
589 | # we get a "real" address such as one would find in a symbol table. |
590 | # This is used only for addresses of instructions, and even then I'm | |
591 | # not sure it's used in all contexts. It exists to deal with there | |
592 | # being a few stray bits in the PC which would mislead us, not as some | |
593 | # sort of generic thing to handle alignment or segmentation (it's | |
594 | # possible it should be in TARGET_READ_PC instead). | |
24568a2c | 595 | m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 |
e6590a1b UW |
596 | |
597 | # FIXME/cagney/2001-01-18: This should be split in two. A target method that | |
598 | # indicates if the target needs software single step. An ISA method to | |
599 | # implement it. | |
600 | # | |
601 | # FIXME/cagney/2001-01-18: This should be replaced with something that inserts | |
602 | # breakpoints using the breakpoint system instead of blatting memory directly | |
603 | # (as with rs6000). | |
64c4637f | 604 | # |
e6590a1b UW |
605 | # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
606 | # target can single step. If not, then implement single step using breakpoints. | |
64c4637f | 607 | # |
6f112b18 | 608 | # A return value of 1 means that the software_single_step breakpoints |
e6590a1b | 609 | # were inserted; 0 means they were not. |
97030eea | 610 | F:int:software_single_step:struct frame_info *frame:frame |
e6590a1b | 611 | |
3352ef37 AC |
612 | # Return non-zero if the processor is executing a delay slot and a |
613 | # further single-step is needed before the instruction finishes. | |
97030eea | 614 | M:int:single_step_through_delay:struct frame_info *frame:frame |
f6c40618 | 615 | # FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 616 | # disassembler. Perhaps objdump can handle it? |
97030eea UW |
617 | f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0: |
618 | f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0 | |
d50355b6 MS |
619 | |
620 | ||
cfd8ab24 | 621 | # If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
622 | # evaluates non-zero, this is the address where the debugger will place |
623 | # a step-resume breakpoint to get us past the dynamic linker. | |
97030eea | 624 | m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0 |
d50355b6 | 625 | # Some systems also have trampoline code for returning from shared libs. |
2c02bd72 | 626 | m:int:in_solib_return_trampoline:CORE_ADDR pc, const char *name:pc, name::generic_in_solib_return_trampoline::0 |
d50355b6 | 627 | |
c12260ac CV |
628 | # A target might have problems with watchpoints as soon as the stack |
629 | # frame of the current function has been destroyed. This mostly happens | |
630 | # as the first action in a funtion's epilogue. in_function_epilogue_p() | |
631 | # is defined to return a non-zero value if either the given addr is one | |
632 | # instruction after the stack destroying instruction up to the trailing | |
633 | # return instruction or if we can figure out that the stack frame has | |
634 | # already been invalidated regardless of the value of addr. Targets | |
635 | # which don't suffer from that problem could just let this functionality | |
636 | # untouched. | |
97030eea | 637 | m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0 |
97030eea UW |
638 | f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0 |
639 | f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 | |
97030eea UW |
640 | v:int:cannot_step_breakpoint:::0:0::0 |
641 | v:int:have_nonsteppable_watchpoint:::0:0::0 | |
642 | F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class | |
643 | M:const char *:address_class_type_flags_to_name:int type_flags:type_flags | |
69f97648 SM |
644 | |
645 | # Return the appropriate type_flags for the supplied address class. | |
646 | # This function should return 1 if the address class was recognized and | |
647 | # type_flags was set, zero otherwise. | |
97030eea | 648 | M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr |
b59ff9d5 | 649 | # Is a register in a group |
97030eea | 650 | m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0 |
f6214256 | 651 | # Fetch the pointer to the ith function argument. |
97030eea | 652 | F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
6ce6d90f MK |
653 | |
654 | # Return the appropriate register set for a core file section with | |
655 | # name SECT_NAME and size SECT_SIZE. | |
97030eea | 656 | M:const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size |
0d5de010 | 657 | |
5aa82d05 AA |
658 | # Iterate over all supported register notes in a core file. For each |
659 | # supported register note section, the iterator must call CB and pass | |
660 | # CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit | |
661 | # the supported register note sections based on the current register | |
662 | # values. Otherwise it should enumerate all supported register note | |
663 | # sections. | |
664 | M:void:iterate_over_regset_sections:iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache:cb, cb_data, regcache | |
17ea7499 | 665 | |
6432734d UW |
666 | # Create core file notes |
667 | M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size | |
668 | ||
b3ac9c77 SDJ |
669 | # The elfcore writer hook to use to write Linux prpsinfo notes to core |
670 | # files. Most Linux architectures use the same prpsinfo32 or | |
671 | # prpsinfo64 layouts, and so won't need to provide this hook, as we | |
672 | # call the Linux generic routines in bfd to write prpsinfo notes by | |
673 | # default. | |
674 | 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 | |
675 | ||
35c2fab7 UW |
676 | # Find core file memory regions |
677 | M:int:find_memory_regions:find_memory_region_ftype func, void *data:func, data | |
678 | ||
de584861 | 679 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
c09f20e4 YQ |
680 | # core file into buffer READBUF with length LEN. Return the number of bytes read |
681 | # (zero indicates failure). | |
682 | # failed, otherwise, return the red length of READBUF. | |
683 | M:ULONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, ULONGEST len:readbuf, offset, len | |
de584861 | 684 | |
356a5233 JB |
685 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
686 | # libraries list from core file into buffer READBUF with length LEN. | |
c09f20e4 YQ |
687 | # Return the number of bytes read (zero indicates failure). |
688 | M:ULONGEST:core_xfer_shared_libraries_aix:gdb_byte *readbuf, ULONGEST offset, ULONGEST len:readbuf, offset, len | |
356a5233 | 689 | |
c0edd9ed | 690 | # How the core target converts a PTID from a core file to a string. |
28439f5e PA |
691 | M:char *:core_pid_to_str:ptid_t ptid:ptid |
692 | ||
a78c2d62 | 693 | # BFD target to use when generating a core file. |
86ba1042 | 694 | V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target) |
a78c2d62 | 695 | |
0d5de010 DJ |
696 | # If the elements of C++ vtables are in-place function descriptors rather |
697 | # than normal function pointers (which may point to code or a descriptor), | |
698 | # set this to one. | |
97030eea | 699 | v:int:vtable_function_descriptors:::0:0::0 |
0d5de010 DJ |
700 | |
701 | # Set if the least significant bit of the delta is used instead of the least | |
702 | # significant bit of the pfn for pointers to virtual member functions. | |
97030eea | 703 | v:int:vbit_in_delta:::0:0::0 |
6d350bb5 UW |
704 | |
705 | # Advance PC to next instruction in order to skip a permanent breakpoint. | |
97030eea | 706 | F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache |
1c772458 | 707 | |
1668ae25 | 708 | # The maximum length of an instruction on this architecture in bytes. |
237fc4c9 PA |
709 | V:ULONGEST:max_insn_length:::0:0 |
710 | ||
711 | # Copy the instruction at FROM to TO, and make any adjustments | |
712 | # necessary to single-step it at that address. | |
713 | # | |
714 | # REGS holds the state the thread's registers will have before | |
715 | # executing the copied instruction; the PC in REGS will refer to FROM, | |
716 | # not the copy at TO. The caller should update it to point at TO later. | |
717 | # | |
718 | # Return a pointer to data of the architecture's choice to be passed | |
719 | # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
720 | # the instruction's effects have been completely simulated, with the | |
721 | # resulting state written back to REGS. | |
722 | # | |
723 | # For a general explanation of displaced stepping and how GDB uses it, | |
724 | # see the comments in infrun.c. | |
725 | # | |
726 | # The TO area is only guaranteed to have space for | |
727 | # gdbarch_max_insn_length (arch) bytes, so this function must not | |
728 | # write more bytes than that to that area. | |
729 | # | |
730 | # If you do not provide this function, GDB assumes that the | |
731 | # architecture does not support displaced stepping. | |
732 | # | |
733 | # If your architecture doesn't need to adjust instructions before | |
734 | # single-stepping them, consider using simple_displaced_step_copy_insn | |
735 | # here. | |
736 | M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs | |
737 | ||
99e40580 UW |
738 | # Return true if GDB should use hardware single-stepping to execute |
739 | # the displaced instruction identified by CLOSURE. If false, | |
740 | # GDB will simply restart execution at the displaced instruction | |
741 | # location, and it is up to the target to ensure GDB will receive | |
742 | # control again (e.g. by placing a software breakpoint instruction | |
743 | # into the displaced instruction buffer). | |
744 | # | |
745 | # The default implementation returns false on all targets that | |
746 | # provide a gdbarch_software_single_step routine, and true otherwise. | |
747 | m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 | |
748 | ||
237fc4c9 PA |
749 | # Fix up the state resulting from successfully single-stepping a |
750 | # displaced instruction, to give the result we would have gotten from | |
751 | # stepping the instruction in its original location. | |
752 | # | |
753 | # REGS is the register state resulting from single-stepping the | |
754 | # displaced instruction. | |
755 | # | |
756 | # CLOSURE is the result from the matching call to | |
757 | # gdbarch_displaced_step_copy_insn. | |
758 | # | |
759 | # If you provide gdbarch_displaced_step_copy_insn.but not this | |
760 | # function, then GDB assumes that no fixup is needed after | |
761 | # single-stepping the instruction. | |
762 | # | |
763 | # For a general explanation of displaced stepping and how GDB uses it, | |
764 | # see the comments in infrun.c. | |
765 | M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL | |
766 | ||
767 | # Free a closure returned by gdbarch_displaced_step_copy_insn. | |
768 | # | |
769 | # If you provide gdbarch_displaced_step_copy_insn, you must provide | |
770 | # this function as well. | |
771 | # | |
772 | # If your architecture uses closures that don't need to be freed, then | |
773 | # you can use simple_displaced_step_free_closure here. | |
774 | # | |
775 | # For a general explanation of displaced stepping and how GDB uses it, | |
776 | # see the comments in infrun.c. | |
777 | m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) | |
778 | ||
779 | # Return the address of an appropriate place to put displaced | |
780 | # instructions while we step over them. There need only be one such | |
781 | # place, since we're only stepping one thread over a breakpoint at a | |
782 | # time. | |
783 | # | |
784 | # For a general explanation of displaced stepping and how GDB uses it, | |
785 | # see the comments in infrun.c. | |
786 | m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) | |
787 | ||
dde08ee1 PA |
788 | # Relocate an instruction to execute at a different address. OLDLOC |
789 | # is the address in the inferior memory where the instruction to | |
790 | # relocate is currently at. On input, TO points to the destination | |
791 | # where we want the instruction to be copied (and possibly adjusted) | |
792 | # to. On output, it points to one past the end of the resulting | |
793 | # instruction(s). The effect of executing the instruction at TO shall | |
794 | # be the same as if executing it at FROM. For example, call | |
795 | # instructions that implicitly push the return address on the stack | |
796 | # should be adjusted to return to the instruction after OLDLOC; | |
797 | # relative branches, and other PC-relative instructions need the | |
798 | # offset adjusted; etc. | |
799 | M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL | |
800 | ||
1c772458 | 801 | # Refresh overlay mapped state for section OSECT. |
97030eea | 802 | F:void:overlay_update:struct obj_section *osect:osect |
4eb0ad19 | 803 | |
97030eea | 804 | M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
149ad273 UW |
805 | |
806 | # Handle special encoding of static variables in stabs debug info. | |
0d5cff50 | 807 | F:const char *:static_transform_name:const char *name:name |
203c3895 | 808 | # Set if the address in N_SO or N_FUN stabs may be zero. |
97030eea | 809 | v:int:sofun_address_maybe_missing:::0:0::0 |
1cded358 | 810 | |
0508c3ec HZ |
811 | # Parse the instruction at ADDR storing in the record execution log |
812 | # the registers REGCACHE and memory ranges that will be affected when | |
813 | # the instruction executes, along with their current values. | |
814 | # Return -1 if something goes wrong, 0 otherwise. | |
815 | M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr | |
816 | ||
3846b520 HZ |
817 | # Save process state after a signal. |
818 | # Return -1 if something goes wrong, 0 otherwise. | |
2ea28649 | 819 | M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:regcache, signal |
3846b520 | 820 | |
22203bbf | 821 | # Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
822 | # into GDB's representation. The implementation of this method must |
823 | # be host independent. IOW, don't rely on symbols of the NAT_FILE | |
824 | # header (the nm-*.h files), the host <signal.h> header, or similar | |
825 | # headers. This is mainly used when cross-debugging core files --- | |
826 | # "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
827 | # (target_wait, target_resume, etc.). |
828 | M:enum gdb_signal:gdb_signal_from_target:int signo:signo | |
60c5725c | 829 | |
eb14d406 SDJ |
830 | # Signal translation: translate the GDB's internal signal number into |
831 | # the inferior's signal (target's) representation. The implementation | |
832 | # of this method must be host independent. IOW, don't rely on symbols | |
833 | # of the NAT_FILE header (the nm-*.h files), the host <signal.h> | |
834 | # header, or similar headers. | |
835 | # Return the target signal number if found, or -1 if the GDB internal | |
836 | # signal number is invalid. | |
837 | M:int:gdb_signal_to_target:enum gdb_signal signal:signal | |
838 | ||
4aa995e1 PA |
839 | # Extra signal info inspection. |
840 | # | |
841 | # Return a type suitable to inspect extra signal information. | |
842 | M:struct type *:get_siginfo_type:void: | |
843 | ||
60c5725c DJ |
844 | # Record architecture-specific information from the symbol table. |
845 | M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym | |
50c71eaf | 846 | |
a96d9b2e SDJ |
847 | # Function for the 'catch syscall' feature. |
848 | ||
849 | # Get architecture-specific system calls information from registers. | |
850 | M:LONGEST:get_syscall_number:ptid_t ptid:ptid | |
851 | ||
55aa24fb SDJ |
852 | # SystemTap related fields and functions. |
853 | ||
05c0465e SDJ |
854 | # A NULL-terminated array of prefixes used to mark an integer constant |
855 | # on the architecture's assembly. | |
55aa24fb SDJ |
856 | # For example, on x86 integer constants are written as: |
857 | # | |
858 | # \$10 ;; integer constant 10 | |
859 | # | |
860 | # in this case, this prefix would be the character \`\$\'. | |
05c0465e | 861 | v:const char *const *:stap_integer_prefixes:::0:0::0:pstring_list (gdbarch->stap_integer_prefixes) |
55aa24fb | 862 | |
05c0465e SDJ |
863 | # A NULL-terminated array of suffixes used to mark an integer constant |
864 | # on the architecture's assembly. | |
865 | v:const char *const *:stap_integer_suffixes:::0:0::0:pstring_list (gdbarch->stap_integer_suffixes) | |
55aa24fb | 866 | |
05c0465e SDJ |
867 | # A NULL-terminated array of prefixes used to mark a register name on |
868 | # the architecture's assembly. | |
55aa24fb SDJ |
869 | # For example, on x86 the register name is written as: |
870 | # | |
871 | # \%eax ;; register eax | |
872 | # | |
873 | # in this case, this prefix would be the character \`\%\'. | |
05c0465e | 874 | v:const char *const *:stap_register_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_prefixes) |
55aa24fb | 875 | |
05c0465e SDJ |
876 | # A NULL-terminated array of suffixes used to mark a register name on |
877 | # the architecture's assembly. | |
878 | v:const char *const *:stap_register_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_suffixes) | |
55aa24fb | 879 | |
05c0465e SDJ |
880 | # A NULL-terminated array of prefixes used to mark a register |
881 | # indirection on the architecture's assembly. | |
55aa24fb SDJ |
882 | # For example, on x86 the register indirection is written as: |
883 | # | |
884 | # \(\%eax\) ;; indirecting eax | |
885 | # | |
886 | # in this case, this prefix would be the charater \`\(\'. | |
887 | # | |
888 | # Please note that we use the indirection prefix also for register | |
889 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
05c0465e | 890 | v:const char *const *:stap_register_indirection_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_prefixes) |
55aa24fb | 891 | |
05c0465e SDJ |
892 | # A NULL-terminated array of suffixes used to mark a register |
893 | # indirection on the architecture's assembly. | |
55aa24fb SDJ |
894 | # For example, on x86 the register indirection is written as: |
895 | # | |
896 | # \(\%eax\) ;; indirecting eax | |
897 | # | |
898 | # in this case, this prefix would be the charater \`\)\'. | |
899 | # | |
900 | # Please note that we use the indirection suffix also for register | |
901 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
05c0465e | 902 | v:const char *const *:stap_register_indirection_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_suffixes) |
55aa24fb | 903 | |
05c0465e | 904 | # Prefix(es) used to name a register using GDB's nomenclature. |
55aa24fb SDJ |
905 | # |
906 | # For example, on PPC a register is represented by a number in the assembly | |
907 | # language (e.g., \`10\' is the 10th general-purpose register). However, | |
908 | # inside GDB this same register has an \`r\' appended to its name, so the 10th | |
909 | # register would be represented as \`r10\' internally. | |
08af7a40 | 910 | v:const char *:stap_gdb_register_prefix:::0:0::0:pstring (gdbarch->stap_gdb_register_prefix) |
55aa24fb SDJ |
911 | |
912 | # Suffix used to name a register using GDB's nomenclature. | |
08af7a40 | 913 | v:const char *:stap_gdb_register_suffix:::0:0::0:pstring (gdbarch->stap_gdb_register_suffix) |
55aa24fb SDJ |
914 | |
915 | # Check if S is a single operand. | |
916 | # | |
917 | # Single operands can be: | |
918 | # \- Literal integers, e.g. \`\$10\' on x86 | |
919 | # \- Register access, e.g. \`\%eax\' on x86 | |
920 | # \- Register indirection, e.g. \`\(\%eax\)\' on x86 | |
921 | # \- Register displacement, e.g. \`4\(\%eax\)\' on x86 | |
922 | # | |
923 | # This function should check for these patterns on the string | |
924 | # and return 1 if some were found, or zero otherwise. Please try to match | |
925 | # as much info as you can from the string, i.e., if you have to match | |
926 | # something like \`\(\%\', do not match just the \`\(\'. | |
927 | M:int:stap_is_single_operand:const char *s:s | |
928 | ||
929 | # Function used to handle a "special case" in the parser. | |
930 | # | |
931 | # A "special case" is considered to be an unknown token, i.e., a token | |
932 | # that the parser does not know how to parse. A good example of special | |
933 | # case would be ARM's register displacement syntax: | |
934 | # | |
935 | # [R0, #4] ;; displacing R0 by 4 | |
936 | # | |
937 | # Since the parser assumes that a register displacement is of the form: | |
938 | # | |
939 | # <number> <indirection_prefix> <register_name> <indirection_suffix> | |
940 | # | |
941 | # it means that it will not be able to recognize and parse this odd syntax. | |
942 | # Therefore, we should add a special case function that will handle this token. | |
943 | # | |
944 | # This function should generate the proper expression form of the expression | |
945 | # using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\' | |
946 | # and so on). It should also return 1 if the parsing was successful, or zero | |
947 | # if the token was not recognized as a special token (in this case, returning | |
948 | # zero means that the special parser is deferring the parsing to the generic | |
949 | # parser), and should advance the buffer pointer (p->arg). | |
950 | M:int:stap_parse_special_token:struct stap_parse_info *p:p | |
951 | ||
952 | ||
50c71eaf PA |
953 | # True if the list of shared libraries is one and only for all |
954 | # processes, as opposed to a list of shared libraries per inferior. | |
2567c7d9 PA |
955 | # This usually means that all processes, although may or may not share |
956 | # an address space, will see the same set of symbols at the same | |
957 | # addresses. | |
50c71eaf | 958 | v:int:has_global_solist:::0:0::0 |
2567c7d9 PA |
959 | |
960 | # On some targets, even though each inferior has its own private | |
961 | # address space, the debug interface takes care of making breakpoints | |
962 | # visible to all address spaces automatically. For such cases, | |
963 | # this property should be set to true. | |
964 | v:int:has_global_breakpoints:::0:0::0 | |
6c95b8df PA |
965 | |
966 | # True if inferiors share an address space (e.g., uClinux). | |
967 | m:int:has_shared_address_space:void:::default_has_shared_address_space::0 | |
7a697b8d SS |
968 | |
969 | # True if a fast tracepoint can be set at an address. | |
970 | m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 | |
75cebea9 | 971 | |
f870a310 TT |
972 | # Return the "auto" target charset. |
973 | f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0 | |
974 | # Return the "auto" target wide charset. | |
975 | f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0 | |
08105857 PA |
976 | |
977 | # If non-empty, this is a file extension that will be opened in place | |
978 | # of the file extension reported by the shared library list. | |
979 | # | |
980 | # This is most useful for toolchains that use a post-linker tool, | |
981 | # where the names of the files run on the target differ in extension | |
982 | # compared to the names of the files GDB should load for debug info. | |
983 | v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension) | |
ab38a727 PA |
984 | |
985 | # If true, the target OS has DOS-based file system semantics. That | |
986 | # is, absolute paths include a drive name, and the backslash is | |
987 | # considered a directory separator. | |
988 | v:int:has_dos_based_file_system:::0:0::0 | |
6710bf39 SS |
989 | |
990 | # Generate bytecodes to collect the return address in a frame. | |
991 | # Since the bytecodes run on the target, possibly with GDB not even | |
992 | # connected, the full unwinding machinery is not available, and | |
993 | # typically this function will issue bytecodes for one or more likely | |
994 | # places that the return address may be found. | |
995 | m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0 | |
996 | ||
3030c96e | 997 | # Implement the "info proc" command. |
7bc112c1 | 998 | M:void:info_proc:const char *args, enum info_proc_what what:args, what |
3030c96e | 999 | |
451b7c33 TT |
1000 | # Implement the "info proc" command for core files. Noe that there |
1001 | # are two "info_proc"-like methods on gdbarch -- one for core files, | |
1002 | # one for live targets. | |
7bc112c1 | 1003 | M:void:core_info_proc:const char *args, enum info_proc_what what:args, what |
451b7c33 | 1004 | |
19630284 JB |
1005 | # Iterate over all objfiles in the order that makes the most sense |
1006 | # for the architecture to make global symbol searches. | |
1007 | # | |
1008 | # CB is a callback function where OBJFILE is the objfile to be searched, | |
1009 | # and CB_DATA a pointer to user-defined data (the same data that is passed | |
1010 | # when calling this gdbarch method). The iteration stops if this function | |
1011 | # returns nonzero. | |
1012 | # | |
1013 | # CB_DATA is a pointer to some user-defined data to be passed to | |
1014 | # the callback. | |
1015 | # | |
1016 | # If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
1017 | # inspected when the symbol search was requested. | |
1018 | 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 | |
1019 | ||
7e35103a JB |
1020 | # Ravenscar arch-dependent ops. |
1021 | v:struct ravenscar_arch_ops *:ravenscar_ops:::NULL:NULL::0:host_address_to_string (gdbarch->ravenscar_ops) | |
c2170eef MM |
1022 | |
1023 | # Return non-zero if the instruction at ADDR is a call; zero otherwise. | |
1024 | m:int:insn_is_call:CORE_ADDR addr:addr::default_insn_is_call::0 | |
1025 | ||
1026 | # Return non-zero if the instruction at ADDR is a return; zero otherwise. | |
1027 | m:int:insn_is_ret:CORE_ADDR addr:addr::default_insn_is_ret::0 | |
1028 | ||
1029 | # Return non-zero if the instruction at ADDR is a jump; zero otherwise. | |
1030 | m:int:insn_is_jump:CORE_ADDR addr:addr::default_insn_is_jump::0 | |
27a48a92 MK |
1031 | |
1032 | # Read one auxv entry from *READPTR, not reading locations >= ENDPTR. | |
1033 | # Return 0 if *READPTR is already at the end of the buffer. | |
1034 | # Return -1 if there is insufficient buffer for a whole entry. | |
1035 | # Return 1 if an entry was read into *TYPEP and *VALP. | |
1036 | M:int:auxv_parse:gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp:readptr, endptr, typep, valp | |
104c1213 | 1037 | EOF |
104c1213 JM |
1038 | } |
1039 | ||
0b8f9e4d AC |
1040 | # |
1041 | # The .log file | |
1042 | # | |
1043 | exec > new-gdbarch.log | |
34620563 | 1044 | function_list | while do_read |
0b8f9e4d AC |
1045 | do |
1046 | cat <<EOF | |
2f9b146e | 1047 | ${class} ${returntype} ${function} ($formal) |
104c1213 | 1048 | EOF |
3d9a5942 AC |
1049 | for r in ${read} |
1050 | do | |
1051 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
1052 | done | |
f0d4cc9e | 1053 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 1054 | then |
66d659b1 | 1055 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
1056 | kill $$ |
1057 | exit 1 | |
1058 | fi | |
72e74a21 | 1059 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
1060 | then |
1061 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
1062 | kill $$ | |
1063 | exit 1 | |
1064 | fi | |
a72293e2 AC |
1065 | if class_is_multiarch_p |
1066 | then | |
1067 | if class_is_predicate_p ; then : | |
1068 | elif test "x${predefault}" = "x" | |
1069 | then | |
2f9b146e | 1070 | echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2 |
a72293e2 AC |
1071 | kill $$ |
1072 | exit 1 | |
1073 | fi | |
1074 | fi | |
3d9a5942 | 1075 | echo "" |
0b8f9e4d AC |
1076 | done |
1077 | ||
1078 | exec 1>&2 | |
1079 | compare_new gdbarch.log | |
1080 | ||
104c1213 JM |
1081 | |
1082 | copyright () | |
1083 | { | |
1084 | cat <<EOF | |
c4bfde41 JK |
1085 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
1086 | /* vi:set ro: */ | |
59233f88 | 1087 | |
104c1213 | 1088 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 1089 | |
ecd75fc8 | 1090 | Copyright (C) 1998-2014 Free Software Foundation, Inc. |
104c1213 JM |
1091 | |
1092 | This file is part of GDB. | |
1093 | ||
1094 | This program is free software; you can redistribute it and/or modify | |
1095 | it under the terms of the GNU General Public License as published by | |
50efebf8 | 1096 | the Free Software Foundation; either version 3 of the License, or |
104c1213 | 1097 | (at your option) any later version. |
50efebf8 | 1098 | |
104c1213 JM |
1099 | This program is distributed in the hope that it will be useful, |
1100 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
1101 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
1102 | GNU General Public License for more details. | |
50efebf8 | 1103 | |
104c1213 | 1104 | You should have received a copy of the GNU General Public License |
50efebf8 | 1105 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 | 1106 | |
104c1213 JM |
1107 | /* This file was created with the aid of \`\`gdbarch.sh''. |
1108 | ||
52204a0b | 1109 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
1110 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
1111 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
1112 | being reported. | |
1113 | ||
1114 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 1115 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 1116 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 1117 | easier. */ |
104c1213 JM |
1118 | |
1119 | EOF | |
1120 | } | |
1121 | ||
1122 | # | |
1123 | # The .h file | |
1124 | # | |
1125 | ||
1126 | exec > new-gdbarch.h | |
1127 | copyright | |
1128 | cat <<EOF | |
1129 | #ifndef GDBARCH_H | |
1130 | #define GDBARCH_H | |
1131 | ||
eb7a547a JB |
1132 | #include "frame.h" |
1133 | ||
da3331ec AC |
1134 | struct floatformat; |
1135 | struct ui_file; | |
104c1213 | 1136 | struct value; |
b6af0555 | 1137 | struct objfile; |
1c772458 | 1138 | struct obj_section; |
a2cf933a | 1139 | struct minimal_symbol; |
049ee0e4 | 1140 | struct regcache; |
b59ff9d5 | 1141 | struct reggroup; |
6ce6d90f | 1142 | struct regset; |
a89aa300 | 1143 | struct disassemble_info; |
e2d0e7eb | 1144 | struct target_ops; |
030f20e1 | 1145 | struct obstack; |
8181d85f | 1146 | struct bp_target_info; |
424163ea | 1147 | struct target_desc; |
237fc4c9 | 1148 | struct displaced_step_closure; |
17ea7499 | 1149 | struct core_regset_section; |
a96d9b2e | 1150 | struct syscall; |
175ff332 | 1151 | struct agent_expr; |
6710bf39 | 1152 | struct axs_value; |
55aa24fb | 1153 | struct stap_parse_info; |
7e35103a | 1154 | struct ravenscar_arch_ops; |
b3ac9c77 | 1155 | struct elf_internal_linux_prpsinfo; |
104c1213 | 1156 | |
6ecd4729 PA |
1157 | /* The architecture associated with the inferior through the |
1158 | connection to the target. | |
1159 | ||
1160 | The architecture vector provides some information that is really a | |
1161 | property of the inferior, accessed through a particular target: | |
1162 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
1163 | vector; etc. To differentiate architecture accesses to | |
1164 | per-inferior/target properties from | |
1165 | per-thread/per-frame/per-objfile properties, accesses to | |
1166 | per-inferior/target properties should be made through this | |
1167 | gdbarch. */ | |
1168 | ||
1169 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 1170 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 | 1171 | |
19630284 JB |
1172 | /* Callback type for the 'iterate_over_objfiles_in_search_order' |
1173 | gdbarch method. */ | |
1174 | ||
1175 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
1176 | (struct objfile *objfile, void *cb_data); | |
5aa82d05 AA |
1177 | |
1178 | typedef void (iterate_over_regset_sections_cb) | |
8f0435f7 AA |
1179 | (const char *sect_name, int size, const struct regset *regset, |
1180 | const char *human_name, void *cb_data); | |
104c1213 JM |
1181 | EOF |
1182 | ||
1183 | # function typedef's | |
3d9a5942 AC |
1184 | printf "\n" |
1185 | printf "\n" | |
0963b4bd | 1186 | printf "/* The following are pre-initialized by GDBARCH. */\n" |
34620563 | 1187 | function_list | while do_read |
104c1213 | 1188 | do |
2ada493a AC |
1189 | if class_is_info_p |
1190 | then | |
3d9a5942 AC |
1191 | printf "\n" |
1192 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
0963b4bd | 1193 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" |
2ada493a | 1194 | fi |
104c1213 JM |
1195 | done |
1196 | ||
1197 | # function typedef's | |
3d9a5942 AC |
1198 | printf "\n" |
1199 | printf "\n" | |
0963b4bd | 1200 | printf "/* The following are initialized by the target dependent code. */\n" |
34620563 | 1201 | function_list | while do_read |
104c1213 | 1202 | do |
72e74a21 | 1203 | if [ -n "${comment}" ] |
34620563 AC |
1204 | then |
1205 | echo "${comment}" | sed \ | |
1206 | -e '2 s,#,/*,' \ | |
1207 | -e '3,$ s,#, ,' \ | |
1208 | -e '$ s,$, */,' | |
1209 | fi | |
412d5987 AC |
1210 | |
1211 | if class_is_predicate_p | |
2ada493a | 1212 | then |
412d5987 AC |
1213 | printf "\n" |
1214 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
4a5c6a1d | 1215 | fi |
2ada493a AC |
1216 | if class_is_variable_p |
1217 | then | |
3d9a5942 AC |
1218 | printf "\n" |
1219 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
1220 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
2ada493a AC |
1221 | fi |
1222 | if class_is_function_p | |
1223 | then | |
3d9a5942 | 1224 | printf "\n" |
72e74a21 | 1225 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
1226 | then |
1227 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
1228 | elif class_is_multiarch_p | |
1229 | then | |
1230 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
1231 | else | |
1232 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
1233 | fi | |
72e74a21 | 1234 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1235 | then |
3d9a5942 | 1236 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 1237 | else |
3d9a5942 | 1238 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 1239 | fi |
3d9a5942 | 1240 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
2ada493a | 1241 | fi |
104c1213 JM |
1242 | done |
1243 | ||
1244 | # close it off | |
1245 | cat <<EOF | |
1246 | ||
a96d9b2e SDJ |
1247 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1248 | #define UNKNOWN_SYSCALL (-1) | |
1249 | ||
104c1213 JM |
1250 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
1251 | ||
1252 | ||
1253 | /* Mechanism for co-ordinating the selection of a specific | |
1254 | architecture. | |
1255 | ||
1256 | GDB targets (*-tdep.c) can register an interest in a specific | |
1257 | architecture. Other GDB components can register a need to maintain | |
1258 | per-architecture data. | |
1259 | ||
1260 | The mechanisms below ensures that there is only a loose connection | |
1261 | between the set-architecture command and the various GDB | |
0fa6923a | 1262 | components. Each component can independently register their need |
104c1213 JM |
1263 | to maintain architecture specific data with gdbarch. |
1264 | ||
1265 | Pragmatics: | |
1266 | ||
1267 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1268 | didn't scale. | |
1269 | ||
1270 | The more traditional mega-struct containing architecture specific | |
1271 | data for all the various GDB components was also considered. Since | |
0fa6923a | 1272 | GDB is built from a variable number of (fairly independent) |
104c1213 | 1273 | components it was determined that the global aproach was not |
0963b4bd | 1274 | applicable. */ |
104c1213 JM |
1275 | |
1276 | ||
1277 | /* Register a new architectural family with GDB. | |
1278 | ||
1279 | Register support for the specified ARCHITECTURE with GDB. When | |
1280 | gdbarch determines that the specified architecture has been | |
1281 | selected, the corresponding INIT function is called. | |
1282 | ||
1283 | -- | |
1284 | ||
1285 | The INIT function takes two parameters: INFO which contains the | |
1286 | information available to gdbarch about the (possibly new) | |
1287 | architecture; ARCHES which is a list of the previously created | |
1288 | \`\`struct gdbarch'' for this architecture. | |
1289 | ||
0f79675b | 1290 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1291 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1292 | |
1293 | The ARCHES parameter is a linked list (sorted most recently used) | |
1294 | of all the previously created architures for this architecture | |
1295 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1296 | values from the previously selected architecture for this | |
59837fe0 | 1297 | architecture family. |
104c1213 JM |
1298 | |
1299 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1300 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1301 | gdbarch'' from the ARCHES list - indicating that the new |
1302 | architecture is just a synonym for an earlier architecture (see | |
1303 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1304 | - that describes the selected architecture (see gdbarch_alloc()). |
1305 | ||
1306 | The DUMP_TDEP function shall print out all target specific values. | |
1307 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1308 | multi-arch and non- multi-arch cases. */ |
104c1213 JM |
1309 | |
1310 | struct gdbarch_list | |
1311 | { | |
1312 | struct gdbarch *gdbarch; | |
1313 | struct gdbarch_list *next; | |
1314 | }; | |
1315 | ||
1316 | struct gdbarch_info | |
1317 | { | |
0963b4bd | 1318 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1319 | const struct bfd_arch_info *bfd_arch_info; |
1320 | ||
428721aa | 1321 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
94123b4f | 1322 | enum bfd_endian byte_order; |
104c1213 | 1323 | |
94123b4f | 1324 | enum bfd_endian byte_order_for_code; |
9d4fde75 | 1325 | |
0963b4bd | 1326 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1327 | bfd *abfd; |
1328 | ||
0963b4bd | 1329 | /* Use default: NULL (ZERO). */ |
104c1213 | 1330 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1331 | |
1332 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1333 | enum gdb_osabi osabi; | |
424163ea DJ |
1334 | |
1335 | /* Use default: NULL (ZERO). */ | |
1336 | const struct target_desc *target_desc; | |
104c1213 JM |
1337 | }; |
1338 | ||
1339 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1340 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1341 | |
4b9b3959 | 1342 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1343 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1344 | ||
4b9b3959 AC |
1345 | extern void gdbarch_register (enum bfd_architecture architecture, |
1346 | gdbarch_init_ftype *, | |
1347 | gdbarch_dump_tdep_ftype *); | |
1348 | ||
104c1213 | 1349 | |
b4a20239 AC |
1350 | /* Return a freshly allocated, NULL terminated, array of the valid |
1351 | architecture names. Since architectures are registered during the | |
1352 | _initialize phase this function only returns useful information | |
0963b4bd | 1353 | once initialization has been completed. */ |
b4a20239 AC |
1354 | |
1355 | extern const char **gdbarch_printable_names (void); | |
1356 | ||
1357 | ||
104c1213 | 1358 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1359 | matches the information provided by INFO. */ |
104c1213 | 1360 | |
424163ea | 1361 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
104c1213 JM |
1362 | |
1363 | ||
1364 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
424163ea | 1365 | basic initialization using values obtained from the INFO and TDEP |
104c1213 | 1366 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1367 | initialization of the object. */ |
104c1213 JM |
1368 | |
1369 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1370 | ||
1371 | ||
4b9b3959 AC |
1372 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1373 | It is assumed that the caller freeds the \`\`struct | |
0963b4bd | 1374 | gdbarch_tdep''. */ |
4b9b3959 | 1375 | |
058f20d5 JB |
1376 | extern void gdbarch_free (struct gdbarch *); |
1377 | ||
1378 | ||
aebd7893 AC |
1379 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1380 | obstack. The memory is freed when the corresponding architecture | |
1381 | is also freed. */ | |
1382 | ||
1383 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1384 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1385 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1386 | ||
1387 | ||
0963b4bd | 1388 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1389 | |
b732d07d AC |
1390 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1391 | architecture'' et.al., the existing architecture and BFD's default | |
1392 | architecture. INFO should be initialized to zero and then selected | |
1393 | fields should be updated. | |
104c1213 | 1394 | |
0963b4bd | 1395 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1396 | |
1397 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1398 | |
1399 | ||
ebdba546 AC |
1400 | /* Helper function. Find an architecture matching info. |
1401 | ||
1402 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1403 | set, and then finished using gdbarch_info_fill. | |
1404 | ||
1405 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1406 | architecture was found. */ |
ebdba546 AC |
1407 | |
1408 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1409 | ||
1410 | ||
aff68abb | 1411 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1412 | |
aff68abb | 1413 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1414 | |
104c1213 JM |
1415 | |
1416 | /* Register per-architecture data-pointer. | |
1417 | ||
1418 | Reserve space for a per-architecture data-pointer. An identifier | |
1419 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1420 | be saved in a local static variable. |
104c1213 | 1421 | |
fcc1c85c AC |
1422 | Memory for the per-architecture data shall be allocated using |
1423 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1424 | corresponding architecture object is deleted. | |
104c1213 | 1425 | |
95160752 AC |
1426 | When a previously created architecture is re-selected, the |
1427 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1428 | restored. INIT() is not re-called. |
104c1213 JM |
1429 | |
1430 | Multiple registrarants for any architecture are allowed (and | |
1431 | strongly encouraged). */ | |
1432 | ||
95160752 | 1433 | struct gdbarch_data; |
104c1213 | 1434 | |
030f20e1 AC |
1435 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1436 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1437 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1438 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1439 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1440 | struct gdbarch_data *data, | |
1441 | void *pointer); | |
104c1213 | 1442 | |
451fbdda | 1443 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1444 | |
1445 | ||
0fa6923a | 1446 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1447 | byte-order, ...) using information found in the BFD. */ |
104c1213 JM |
1448 | |
1449 | extern void set_gdbarch_from_file (bfd *); | |
1450 | ||
1451 | ||
e514a9d6 JM |
1452 | /* Initialize the current architecture to the "first" one we find on |
1453 | our list. */ | |
1454 | ||
1455 | extern void initialize_current_architecture (void); | |
1456 | ||
104c1213 | 1457 | /* gdbarch trace variable */ |
ccce17b0 | 1458 | extern unsigned int gdbarch_debug; |
104c1213 | 1459 | |
4b9b3959 | 1460 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1461 | |
1462 | #endif | |
1463 | EOF | |
1464 | exec 1>&2 | |
1465 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1466 | compare_new gdbarch.h |
104c1213 JM |
1467 | |
1468 | ||
1469 | # | |
1470 | # C file | |
1471 | # | |
1472 | ||
1473 | exec > new-gdbarch.c | |
1474 | copyright | |
1475 | cat <<EOF | |
1476 | ||
1477 | #include "defs.h" | |
7355ddba | 1478 | #include "arch-utils.h" |
104c1213 | 1479 | |
104c1213 | 1480 | #include "gdbcmd.h" |
faaf634c | 1481 | #include "inferior.h" |
104c1213 JM |
1482 | #include "symcat.h" |
1483 | ||
f0d4cc9e | 1484 | #include "floatformat.h" |
b59ff9d5 | 1485 | #include "reggroups.h" |
4be87837 | 1486 | #include "osabi.h" |
aebd7893 | 1487 | #include "gdb_obstack.h" |
383f836e | 1488 | #include "observer.h" |
a3ecef73 | 1489 | #include "regcache.h" |
19630284 | 1490 | #include "objfiles.h" |
95160752 | 1491 | |
104c1213 JM |
1492 | /* Static function declarations */ |
1493 | ||
b3cc3077 | 1494 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1495 | |
104c1213 JM |
1496 | /* Non-zero if we want to trace architecture code. */ |
1497 | ||
1498 | #ifndef GDBARCH_DEBUG | |
1499 | #define GDBARCH_DEBUG 0 | |
1500 | #endif | |
ccce17b0 | 1501 | unsigned int gdbarch_debug = GDBARCH_DEBUG; |
920d2a44 AC |
1502 | static void |
1503 | show_gdbarch_debug (struct ui_file *file, int from_tty, | |
1504 | struct cmd_list_element *c, const char *value) | |
1505 | { | |
1506 | fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); | |
1507 | } | |
104c1213 | 1508 | |
456fcf94 | 1509 | static const char * |
8da61cc4 | 1510 | pformat (const struct floatformat **format) |
456fcf94 AC |
1511 | { |
1512 | if (format == NULL) | |
1513 | return "(null)"; | |
1514 | else | |
8da61cc4 DJ |
1515 | /* Just print out one of them - this is only for diagnostics. */ |
1516 | return format[0]->name; | |
456fcf94 AC |
1517 | } |
1518 | ||
08105857 PA |
1519 | static const char * |
1520 | pstring (const char *string) | |
1521 | { | |
1522 | if (string == NULL) | |
1523 | return "(null)"; | |
1524 | return string; | |
05c0465e SDJ |
1525 | } |
1526 | ||
1527 | /* Helper function to print a list of strings, represented as "const | |
1528 | char *const *". The list is printed comma-separated. */ | |
1529 | ||
1530 | static char * | |
1531 | pstring_list (const char *const *list) | |
1532 | { | |
1533 | static char ret[100]; | |
1534 | const char *const *p; | |
1535 | size_t offset = 0; | |
1536 | ||
1537 | if (list == NULL) | |
1538 | return "(null)"; | |
1539 | ||
1540 | ret[0] = '\0'; | |
1541 | for (p = list; *p != NULL && offset < sizeof (ret); ++p) | |
1542 | { | |
1543 | size_t s = xsnprintf (ret + offset, sizeof (ret) - offset, "%s, ", *p); | |
1544 | offset += 2 + s; | |
1545 | } | |
1546 | ||
1547 | if (offset > 0) | |
1548 | { | |
1549 | gdb_assert (offset - 2 < sizeof (ret)); | |
1550 | ret[offset - 2] = '\0'; | |
1551 | } | |
1552 | ||
1553 | return ret; | |
08105857 PA |
1554 | } |
1555 | ||
104c1213 JM |
1556 | EOF |
1557 | ||
1558 | # gdbarch open the gdbarch object | |
3d9a5942 | 1559 | printf "\n" |
0963b4bd | 1560 | printf "/* Maintain the struct gdbarch object. */\n" |
3d9a5942 AC |
1561 | printf "\n" |
1562 | printf "struct gdbarch\n" | |
1563 | printf "{\n" | |
76860b5f AC |
1564 | printf " /* Has this architecture been fully initialized? */\n" |
1565 | printf " int initialized_p;\n" | |
aebd7893 AC |
1566 | printf "\n" |
1567 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1568 | printf " struct obstack *obstack;\n" | |
1569 | printf "\n" | |
0963b4bd | 1570 | printf " /* basic architectural information. */\n" |
34620563 | 1571 | function_list | while do_read |
104c1213 | 1572 | do |
2ada493a AC |
1573 | if class_is_info_p |
1574 | then | |
3d9a5942 | 1575 | printf " ${returntype} ${function};\n" |
2ada493a | 1576 | fi |
104c1213 | 1577 | done |
3d9a5942 | 1578 | printf "\n" |
0963b4bd | 1579 | printf " /* target specific vector. */\n" |
3d9a5942 AC |
1580 | printf " struct gdbarch_tdep *tdep;\n" |
1581 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1582 | printf "\n" | |
0963b4bd | 1583 | printf " /* per-architecture data-pointers. */\n" |
95160752 | 1584 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1585 | printf " void **data;\n" |
1586 | printf "\n" | |
104c1213 JM |
1587 | cat <<EOF |
1588 | /* Multi-arch values. | |
1589 | ||
1590 | When extending this structure you must: | |
1591 | ||
1592 | Add the field below. | |
1593 | ||
1594 | Declare set/get functions and define the corresponding | |
1595 | macro in gdbarch.h. | |
1596 | ||
1597 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1598 | initialize the new field. | |
1599 | ||
1600 | verify_gdbarch(): Confirm that the target updated the field | |
1601 | correctly. | |
1602 | ||
7e73cedf | 1603 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1604 | field is dumped out |
1605 | ||
104c1213 JM |
1606 | get_gdbarch(): Implement the set/get functions (probably using |
1607 | the macro's as shortcuts). | |
1608 | ||
1609 | */ | |
1610 | ||
1611 | EOF | |
34620563 | 1612 | function_list | while do_read |
104c1213 | 1613 | do |
2ada493a AC |
1614 | if class_is_variable_p |
1615 | then | |
3d9a5942 | 1616 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1617 | elif class_is_function_p |
1618 | then | |
2f9b146e | 1619 | printf " gdbarch_${function}_ftype *${function};\n" |
2ada493a | 1620 | fi |
104c1213 | 1621 | done |
3d9a5942 | 1622 | printf "};\n" |
104c1213 | 1623 | |
104c1213 | 1624 | # Create a new gdbarch struct |
104c1213 | 1625 | cat <<EOF |
7de2341d | 1626 | |
66b43ecb | 1627 | /* Create a new \`\`struct gdbarch'' based on information provided by |
0963b4bd | 1628 | \`\`struct gdbarch_info''. */ |
104c1213 | 1629 | EOF |
3d9a5942 | 1630 | printf "\n" |
104c1213 JM |
1631 | cat <<EOF |
1632 | struct gdbarch * | |
1633 | gdbarch_alloc (const struct gdbarch_info *info, | |
1634 | struct gdbarch_tdep *tdep) | |
1635 | { | |
be7811ad | 1636 | struct gdbarch *gdbarch; |
aebd7893 AC |
1637 | |
1638 | /* Create an obstack for allocating all the per-architecture memory, | |
1639 | then use that to allocate the architecture vector. */ | |
70ba0933 | 1640 | struct obstack *obstack = XNEW (struct obstack); |
aebd7893 | 1641 | obstack_init (obstack); |
be7811ad MD |
1642 | gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
1643 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1644 | gdbarch->obstack = obstack; | |
85de9627 | 1645 | |
be7811ad | 1646 | alloc_gdbarch_data (gdbarch); |
85de9627 | 1647 | |
be7811ad | 1648 | gdbarch->tdep = tdep; |
104c1213 | 1649 | EOF |
3d9a5942 | 1650 | printf "\n" |
34620563 | 1651 | function_list | while do_read |
104c1213 | 1652 | do |
2ada493a AC |
1653 | if class_is_info_p |
1654 | then | |
be7811ad | 1655 | printf " gdbarch->${function} = info->${function};\n" |
2ada493a | 1656 | fi |
104c1213 | 1657 | done |
3d9a5942 | 1658 | printf "\n" |
0963b4bd | 1659 | printf " /* Force the explicit initialization of these. */\n" |
34620563 | 1660 | function_list | while do_read |
104c1213 | 1661 | do |
2ada493a AC |
1662 | if class_is_function_p || class_is_variable_p |
1663 | then | |
72e74a21 | 1664 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1665 | then |
be7811ad | 1666 | printf " gdbarch->${function} = ${predefault};\n" |
104c1213 | 1667 | fi |
2ada493a | 1668 | fi |
104c1213 JM |
1669 | done |
1670 | cat <<EOF | |
1671 | /* gdbarch_alloc() */ | |
1672 | ||
be7811ad | 1673 | return gdbarch; |
104c1213 JM |
1674 | } |
1675 | EOF | |
1676 | ||
058f20d5 | 1677 | # Free a gdbarch struct. |
3d9a5942 AC |
1678 | printf "\n" |
1679 | printf "\n" | |
058f20d5 | 1680 | cat <<EOF |
aebd7893 AC |
1681 | /* Allocate extra space using the per-architecture obstack. */ |
1682 | ||
1683 | void * | |
1684 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1685 | { | |
1686 | void *data = obstack_alloc (arch->obstack, size); | |
05c547f6 | 1687 | |
aebd7893 AC |
1688 | memset (data, 0, size); |
1689 | return data; | |
1690 | } | |
1691 | ||
1692 | ||
058f20d5 JB |
1693 | /* Free a gdbarch struct. This should never happen in normal |
1694 | operation --- once you've created a gdbarch, you keep it around. | |
1695 | However, if an architecture's init function encounters an error | |
1696 | building the structure, it may need to clean up a partially | |
1697 | constructed gdbarch. */ | |
4b9b3959 | 1698 | |
058f20d5 JB |
1699 | void |
1700 | gdbarch_free (struct gdbarch *arch) | |
1701 | { | |
aebd7893 | 1702 | struct obstack *obstack; |
05c547f6 | 1703 | |
95160752 | 1704 | gdb_assert (arch != NULL); |
aebd7893 AC |
1705 | gdb_assert (!arch->initialized_p); |
1706 | obstack = arch->obstack; | |
1707 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1708 | xfree (obstack); | |
058f20d5 JB |
1709 | } |
1710 | EOF | |
1711 | ||
104c1213 | 1712 | # verify a new architecture |
104c1213 | 1713 | cat <<EOF |
db446970 AC |
1714 | |
1715 | ||
1716 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1717 | ||
104c1213 | 1718 | static void |
be7811ad | 1719 | verify_gdbarch (struct gdbarch *gdbarch) |
104c1213 | 1720 | { |
f16a1923 AC |
1721 | struct ui_file *log; |
1722 | struct cleanup *cleanups; | |
759ef836 | 1723 | long length; |
f16a1923 | 1724 | char *buf; |
05c547f6 | 1725 | |
f16a1923 AC |
1726 | log = mem_fileopen (); |
1727 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1728 | /* fundamental */ |
be7811ad | 1729 | if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1730 | fprintf_unfiltered (log, "\n\tbyte-order"); |
be7811ad | 1731 | if (gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1732 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
0963b4bd | 1733 | /* Check those that need to be defined for the given multi-arch level. */ |
104c1213 | 1734 | EOF |
34620563 | 1735 | function_list | while do_read |
104c1213 | 1736 | do |
2ada493a AC |
1737 | if class_is_function_p || class_is_variable_p |
1738 | then | |
72e74a21 | 1739 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1740 | then |
3d9a5942 | 1741 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1742 | elif class_is_predicate_p |
1743 | then | |
0963b4bd | 1744 | printf " /* Skip verify of ${function}, has predicate. */\n" |
f0d4cc9e | 1745 | # FIXME: See do_read for potential simplification |
72e74a21 | 1746 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1747 | then |
3d9a5942 | 1748 | printf " if (${invalid_p})\n" |
be7811ad | 1749 | printf " gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1750 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1751 | then |
be7811ad MD |
1752 | printf " if (gdbarch->${function} == ${predefault})\n" |
1753 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1754 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1755 | then |
be7811ad MD |
1756 | printf " if (gdbarch->${function} == 0)\n" |
1757 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1758 | elif [ -n "${invalid_p}" ] |
104c1213 | 1759 | then |
4d60522e | 1760 | printf " if (${invalid_p})\n" |
f16a1923 | 1761 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1762 | elif [ -n "${predefault}" ] |
104c1213 | 1763 | then |
be7811ad | 1764 | printf " if (gdbarch->${function} == ${predefault})\n" |
f16a1923 | 1765 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1766 | fi |
2ada493a | 1767 | fi |
104c1213 JM |
1768 | done |
1769 | cat <<EOF | |
759ef836 | 1770 | buf = ui_file_xstrdup (log, &length); |
f16a1923 | 1771 | make_cleanup (xfree, buf); |
759ef836 | 1772 | if (length > 0) |
f16a1923 | 1773 | internal_error (__FILE__, __LINE__, |
85c07804 | 1774 | _("verify_gdbarch: the following are invalid ...%s"), |
f16a1923 AC |
1775 | buf); |
1776 | do_cleanups (cleanups); | |
104c1213 JM |
1777 | } |
1778 | EOF | |
1779 | ||
1780 | # dump the structure | |
3d9a5942 AC |
1781 | printf "\n" |
1782 | printf "\n" | |
104c1213 | 1783 | cat <<EOF |
0963b4bd | 1784 | /* Print out the details of the current architecture. */ |
4b9b3959 | 1785 | |
104c1213 | 1786 | void |
be7811ad | 1787 | gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
104c1213 | 1788 | { |
b78960be | 1789 | const char *gdb_nm_file = "<not-defined>"; |
05c547f6 | 1790 | |
b78960be AC |
1791 | #if defined (GDB_NM_FILE) |
1792 | gdb_nm_file = GDB_NM_FILE; | |
1793 | #endif | |
1794 | fprintf_unfiltered (file, | |
1795 | "gdbarch_dump: GDB_NM_FILE = %s\\n", | |
1796 | gdb_nm_file); | |
104c1213 | 1797 | EOF |
97030eea | 1798 | function_list | sort -t: -k 3 | while do_read |
104c1213 | 1799 | do |
1e9f55d0 AC |
1800 | # First the predicate |
1801 | if class_is_predicate_p | |
1802 | then | |
7996bcec | 1803 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1804 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
be7811ad | 1805 | printf " gdbarch_${function}_p (gdbarch));\n" |
08e45a40 | 1806 | fi |
48f7351b | 1807 | # Print the corresponding value. |
283354d8 | 1808 | if class_is_function_p |
4b9b3959 | 1809 | then |
7996bcec | 1810 | printf " fprintf_unfiltered (file,\n" |
30737ed9 JB |
1811 | printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
1812 | printf " host_address_to_string (gdbarch->${function}));\n" | |
4b9b3959 | 1813 | else |
48f7351b | 1814 | # It is a variable |
2f9b146e AC |
1815 | case "${print}:${returntype}" in |
1816 | :CORE_ADDR ) | |
0b1553bc UW |
1817 | fmt="%s" |
1818 | print="core_addr_to_string_nz (gdbarch->${function})" | |
48f7351b | 1819 | ;; |
2f9b146e | 1820 | :* ) |
48f7351b | 1821 | fmt="%s" |
623d3eb1 | 1822 | print="plongest (gdbarch->${function})" |
48f7351b AC |
1823 | ;; |
1824 | * ) | |
2f9b146e | 1825 | fmt="%s" |
48f7351b AC |
1826 | ;; |
1827 | esac | |
3d9a5942 | 1828 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1829 | printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
3d9a5942 | 1830 | printf " ${print});\n" |
2ada493a | 1831 | fi |
104c1213 | 1832 | done |
381323f4 | 1833 | cat <<EOF |
be7811ad MD |
1834 | if (gdbarch->dump_tdep != NULL) |
1835 | gdbarch->dump_tdep (gdbarch, file); | |
381323f4 AC |
1836 | } |
1837 | EOF | |
104c1213 JM |
1838 | |
1839 | ||
1840 | # GET/SET | |
3d9a5942 | 1841 | printf "\n" |
104c1213 JM |
1842 | cat <<EOF |
1843 | struct gdbarch_tdep * | |
1844 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1845 | { | |
1846 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1847 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1848 | return gdbarch->tdep; |
1849 | } | |
1850 | EOF | |
3d9a5942 | 1851 | printf "\n" |
34620563 | 1852 | function_list | while do_read |
104c1213 | 1853 | do |
2ada493a AC |
1854 | if class_is_predicate_p |
1855 | then | |
3d9a5942 AC |
1856 | printf "\n" |
1857 | printf "int\n" | |
1858 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1859 | printf "{\n" | |
8de9bdc4 | 1860 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1861 | printf " return ${predicate};\n" |
3d9a5942 | 1862 | printf "}\n" |
2ada493a AC |
1863 | fi |
1864 | if class_is_function_p | |
1865 | then | |
3d9a5942 AC |
1866 | printf "\n" |
1867 | printf "${returntype}\n" | |
72e74a21 | 1868 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1869 | then |
3d9a5942 | 1870 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1871 | else |
3d9a5942 | 1872 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1873 | fi |
3d9a5942 | 1874 | printf "{\n" |
8de9bdc4 | 1875 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1876 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1877 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1878 | then |
1879 | # Allow a call to a function with a predicate. | |
956ac328 | 1880 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1881 | fi |
3d9a5942 AC |
1882 | printf " if (gdbarch_debug >= 2)\n" |
1883 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1884 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1885 | then |
1886 | if class_is_multiarch_p | |
1887 | then | |
1888 | params="gdbarch" | |
1889 | else | |
1890 | params="" | |
1891 | fi | |
1892 | else | |
1893 | if class_is_multiarch_p | |
1894 | then | |
1895 | params="gdbarch, ${actual}" | |
1896 | else | |
1897 | params="${actual}" | |
1898 | fi | |
1899 | fi | |
72e74a21 | 1900 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1901 | then |
4a5c6a1d | 1902 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1903 | else |
4a5c6a1d | 1904 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1905 | fi |
3d9a5942 AC |
1906 | printf "}\n" |
1907 | printf "\n" | |
1908 | printf "void\n" | |
1909 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1910 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1911 | printf "{\n" | |
1912 | printf " gdbarch->${function} = ${function};\n" | |
1913 | printf "}\n" | |
2ada493a AC |
1914 | elif class_is_variable_p |
1915 | then | |
3d9a5942 AC |
1916 | printf "\n" |
1917 | printf "${returntype}\n" | |
1918 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1919 | printf "{\n" | |
8de9bdc4 | 1920 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1921 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1922 | then |
3d9a5942 | 1923 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1924 | elif [ -n "${invalid_p}" ] |
104c1213 | 1925 | then |
956ac328 AC |
1926 | printf " /* Check variable is valid. */\n" |
1927 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1928 | elif [ -n "${predefault}" ] |
104c1213 | 1929 | then |
956ac328 AC |
1930 | printf " /* Check variable changed from pre-default. */\n" |
1931 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1932 | fi |
3d9a5942 AC |
1933 | printf " if (gdbarch_debug >= 2)\n" |
1934 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1935 | printf " return gdbarch->${function};\n" | |
1936 | printf "}\n" | |
1937 | printf "\n" | |
1938 | printf "void\n" | |
1939 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1940 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
1941 | printf "{\n" | |
1942 | printf " gdbarch->${function} = ${function};\n" | |
1943 | printf "}\n" | |
2ada493a AC |
1944 | elif class_is_info_p |
1945 | then | |
3d9a5942 AC |
1946 | printf "\n" |
1947 | printf "${returntype}\n" | |
1948 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1949 | printf "{\n" | |
8de9bdc4 | 1950 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
1951 | printf " if (gdbarch_debug >= 2)\n" |
1952 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1953 | printf " return gdbarch->${function};\n" | |
1954 | printf "}\n" | |
2ada493a | 1955 | fi |
104c1213 JM |
1956 | done |
1957 | ||
1958 | # All the trailing guff | |
1959 | cat <<EOF | |
1960 | ||
1961 | ||
f44c642f | 1962 | /* Keep a registry of per-architecture data-pointers required by GDB |
0963b4bd | 1963 | modules. */ |
104c1213 JM |
1964 | |
1965 | struct gdbarch_data | |
1966 | { | |
95160752 | 1967 | unsigned index; |
76860b5f | 1968 | int init_p; |
030f20e1 AC |
1969 | gdbarch_data_pre_init_ftype *pre_init; |
1970 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
1971 | }; |
1972 | ||
1973 | struct gdbarch_data_registration | |
1974 | { | |
104c1213 JM |
1975 | struct gdbarch_data *data; |
1976 | struct gdbarch_data_registration *next; | |
1977 | }; | |
1978 | ||
f44c642f | 1979 | struct gdbarch_data_registry |
104c1213 | 1980 | { |
95160752 | 1981 | unsigned nr; |
104c1213 JM |
1982 | struct gdbarch_data_registration *registrations; |
1983 | }; | |
1984 | ||
f44c642f | 1985 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
1986 | { |
1987 | 0, NULL, | |
1988 | }; | |
1989 | ||
030f20e1 AC |
1990 | static struct gdbarch_data * |
1991 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
1992 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
1993 | { |
1994 | struct gdbarch_data_registration **curr; | |
05c547f6 MS |
1995 | |
1996 | /* Append the new registration. */ | |
f44c642f | 1997 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
1998 | (*curr) != NULL; |
1999 | curr = &(*curr)->next); | |
70ba0933 | 2000 | (*curr) = XNEW (struct gdbarch_data_registration); |
104c1213 | 2001 | (*curr)->next = NULL; |
70ba0933 | 2002 | (*curr)->data = XNEW (struct gdbarch_data); |
f44c642f | 2003 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
2004 | (*curr)->data->pre_init = pre_init; |
2005 | (*curr)->data->post_init = post_init; | |
76860b5f | 2006 | (*curr)->data->init_p = 1; |
104c1213 JM |
2007 | return (*curr)->data; |
2008 | } | |
2009 | ||
030f20e1 AC |
2010 | struct gdbarch_data * |
2011 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
2012 | { | |
2013 | return gdbarch_data_register (pre_init, NULL); | |
2014 | } | |
2015 | ||
2016 | struct gdbarch_data * | |
2017 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
2018 | { | |
2019 | return gdbarch_data_register (NULL, post_init); | |
2020 | } | |
104c1213 | 2021 | |
0963b4bd | 2022 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
2023 | |
2024 | static void | |
b3cc3077 | 2025 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 2026 | { |
b3cc3077 JB |
2027 | gdb_assert (gdbarch->data == NULL); |
2028 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 2029 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 2030 | } |
3c875b6f | 2031 | |
76860b5f | 2032 | /* Initialize the current value of the specified per-architecture |
0963b4bd | 2033 | data-pointer. */ |
b3cc3077 | 2034 | |
95160752 | 2035 | void |
030f20e1 AC |
2036 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
2037 | struct gdbarch_data *data, | |
2038 | void *pointer) | |
95160752 AC |
2039 | { |
2040 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 2041 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 2042 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
2043 | gdbarch->data[data->index] = pointer; |
2044 | } | |
2045 | ||
104c1213 | 2046 | /* Return the current value of the specified per-architecture |
0963b4bd | 2047 | data-pointer. */ |
104c1213 JM |
2048 | |
2049 | void * | |
451fbdda | 2050 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 2051 | { |
451fbdda | 2052 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 2053 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 2054 | { |
030f20e1 AC |
2055 | /* The data-pointer isn't initialized, call init() to get a |
2056 | value. */ | |
2057 | if (data->pre_init != NULL) | |
2058 | /* Mid architecture creation: pass just the obstack, and not | |
2059 | the entire architecture, as that way it isn't possible for | |
2060 | pre-init code to refer to undefined architecture | |
2061 | fields. */ | |
2062 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
2063 | else if (gdbarch->initialized_p | |
2064 | && data->post_init != NULL) | |
2065 | /* Post architecture creation: pass the entire architecture | |
2066 | (as all fields are valid), but be careful to also detect | |
2067 | recursive references. */ | |
2068 | { | |
2069 | gdb_assert (data->init_p); | |
2070 | data->init_p = 0; | |
2071 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
2072 | data->init_p = 1; | |
2073 | } | |
2074 | else | |
2075 | /* The architecture initialization hasn't completed - punt - | |
2076 | hope that the caller knows what they are doing. Once | |
2077 | deprecated_set_gdbarch_data has been initialized, this can be | |
2078 | changed to an internal error. */ | |
2079 | return NULL; | |
76860b5f AC |
2080 | gdb_assert (gdbarch->data[data->index] != NULL); |
2081 | } | |
451fbdda | 2082 | return gdbarch->data[data->index]; |
104c1213 JM |
2083 | } |
2084 | ||
2085 | ||
0963b4bd | 2086 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 2087 | |
4b9b3959 | 2088 | struct gdbarch_registration |
104c1213 JM |
2089 | { |
2090 | enum bfd_architecture bfd_architecture; | |
2091 | gdbarch_init_ftype *init; | |
4b9b3959 | 2092 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 2093 | struct gdbarch_list *arches; |
4b9b3959 | 2094 | struct gdbarch_registration *next; |
104c1213 JM |
2095 | }; |
2096 | ||
f44c642f | 2097 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 2098 | |
b4a20239 AC |
2099 | static void |
2100 | append_name (const char ***buf, int *nr, const char *name) | |
2101 | { | |
2102 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
2103 | (*buf)[*nr] = name; | |
2104 | *nr += 1; | |
2105 | } | |
2106 | ||
2107 | const char ** | |
2108 | gdbarch_printable_names (void) | |
2109 | { | |
7996bcec | 2110 | /* Accumulate a list of names based on the registed list of |
0963b4bd | 2111 | architectures. */ |
7996bcec AC |
2112 | int nr_arches = 0; |
2113 | const char **arches = NULL; | |
2114 | struct gdbarch_registration *rego; | |
05c547f6 | 2115 | |
7996bcec AC |
2116 | for (rego = gdbarch_registry; |
2117 | rego != NULL; | |
2118 | rego = rego->next) | |
b4a20239 | 2119 | { |
7996bcec AC |
2120 | const struct bfd_arch_info *ap; |
2121 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2122 | if (ap == NULL) | |
2123 | internal_error (__FILE__, __LINE__, | |
85c07804 | 2124 | _("gdbarch_architecture_names: multi-arch unknown")); |
7996bcec AC |
2125 | do |
2126 | { | |
2127 | append_name (&arches, &nr_arches, ap->printable_name); | |
2128 | ap = ap->next; | |
2129 | } | |
2130 | while (ap != NULL); | |
b4a20239 | 2131 | } |
7996bcec AC |
2132 | append_name (&arches, &nr_arches, NULL); |
2133 | return arches; | |
b4a20239 AC |
2134 | } |
2135 | ||
2136 | ||
104c1213 | 2137 | void |
4b9b3959 AC |
2138 | gdbarch_register (enum bfd_architecture bfd_architecture, |
2139 | gdbarch_init_ftype *init, | |
2140 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 2141 | { |
4b9b3959 | 2142 | struct gdbarch_registration **curr; |
104c1213 | 2143 | const struct bfd_arch_info *bfd_arch_info; |
05c547f6 | 2144 | |
ec3d358c | 2145 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
2146 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
2147 | if (bfd_arch_info == NULL) | |
2148 | { | |
8e65ff28 | 2149 | internal_error (__FILE__, __LINE__, |
0963b4bd MS |
2150 | _("gdbarch: Attempt to register " |
2151 | "unknown architecture (%d)"), | |
8e65ff28 | 2152 | bfd_architecture); |
104c1213 | 2153 | } |
0963b4bd | 2154 | /* Check that we haven't seen this architecture before. */ |
f44c642f | 2155 | for (curr = &gdbarch_registry; |
104c1213 JM |
2156 | (*curr) != NULL; |
2157 | curr = &(*curr)->next) | |
2158 | { | |
2159 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 | 2160 | internal_error (__FILE__, __LINE__, |
64b9b334 | 2161 | _("gdbarch: Duplicate registration " |
0963b4bd | 2162 | "of architecture (%s)"), |
8e65ff28 | 2163 | bfd_arch_info->printable_name); |
104c1213 JM |
2164 | } |
2165 | /* log it */ | |
2166 | if (gdbarch_debug) | |
30737ed9 | 2167 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
104c1213 | 2168 | bfd_arch_info->printable_name, |
30737ed9 | 2169 | host_address_to_string (init)); |
104c1213 | 2170 | /* Append it */ |
70ba0933 | 2171 | (*curr) = XNEW (struct gdbarch_registration); |
104c1213 JM |
2172 | (*curr)->bfd_architecture = bfd_architecture; |
2173 | (*curr)->init = init; | |
4b9b3959 | 2174 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
2175 | (*curr)->arches = NULL; |
2176 | (*curr)->next = NULL; | |
4b9b3959 AC |
2177 | } |
2178 | ||
2179 | void | |
2180 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
2181 | gdbarch_init_ftype *init) | |
2182 | { | |
2183 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 2184 | } |
104c1213 JM |
2185 | |
2186 | ||
424163ea | 2187 | /* Look for an architecture using gdbarch_info. */ |
104c1213 JM |
2188 | |
2189 | struct gdbarch_list * | |
2190 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
2191 | const struct gdbarch_info *info) | |
2192 | { | |
2193 | for (; arches != NULL; arches = arches->next) | |
2194 | { | |
2195 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
2196 | continue; | |
2197 | if (info->byte_order != arches->gdbarch->byte_order) | |
2198 | continue; | |
4be87837 DJ |
2199 | if (info->osabi != arches->gdbarch->osabi) |
2200 | continue; | |
424163ea DJ |
2201 | if (info->target_desc != arches->gdbarch->target_desc) |
2202 | continue; | |
104c1213 JM |
2203 | return arches; |
2204 | } | |
2205 | return NULL; | |
2206 | } | |
2207 | ||
2208 | ||
ebdba546 | 2209 | /* Find an architecture that matches the specified INFO. Create a new |
59837fe0 | 2210 | architecture if needed. Return that new architecture. */ |
104c1213 | 2211 | |
59837fe0 UW |
2212 | struct gdbarch * |
2213 | gdbarch_find_by_info (struct gdbarch_info info) | |
104c1213 JM |
2214 | { |
2215 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 2216 | struct gdbarch_registration *rego; |
104c1213 | 2217 | |
b732d07d | 2218 | /* Fill in missing parts of the INFO struct using a number of |
7a107747 DJ |
2219 | sources: "set ..."; INFOabfd supplied; and the global |
2220 | defaults. */ | |
2221 | gdbarch_info_fill (&info); | |
4be87837 | 2222 | |
0963b4bd | 2223 | /* Must have found some sort of architecture. */ |
b732d07d | 2224 | gdb_assert (info.bfd_arch_info != NULL); |
104c1213 JM |
2225 | |
2226 | if (gdbarch_debug) | |
2227 | { | |
2228 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2229 | "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
2230 | (info.bfd_arch_info != NULL |
2231 | ? info.bfd_arch_info->printable_name | |
2232 | : "(null)")); | |
2233 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2234 | "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
104c1213 | 2235 | info.byte_order, |
d7449b42 | 2236 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 2237 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 2238 | : "default")); |
4be87837 | 2239 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2240 | "gdbarch_find_by_info: info.osabi %d (%s)\n", |
4be87837 | 2241 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 2242 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2243 | "gdbarch_find_by_info: info.abfd %s\n", |
30737ed9 | 2244 | host_address_to_string (info.abfd)); |
104c1213 | 2245 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2246 | "gdbarch_find_by_info: info.tdep_info %s\n", |
30737ed9 | 2247 | host_address_to_string (info.tdep_info)); |
104c1213 JM |
2248 | } |
2249 | ||
ebdba546 | 2250 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
2251 | for (rego = gdbarch_registry; |
2252 | rego != NULL; | |
2253 | rego = rego->next) | |
2254 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
2255 | break; | |
2256 | if (rego == NULL) | |
2257 | { | |
2258 | if (gdbarch_debug) | |
59837fe0 | 2259 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 | 2260 | "No matching architecture\n"); |
b732d07d AC |
2261 | return 0; |
2262 | } | |
2263 | ||
ebdba546 | 2264 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
2265 | new_gdbarch = rego->init (info, rego->arches); |
2266 | ||
ebdba546 AC |
2267 | /* Did the tdep code like it? No. Reject the change and revert to |
2268 | the old architecture. */ | |
104c1213 JM |
2269 | if (new_gdbarch == NULL) |
2270 | { | |
2271 | if (gdbarch_debug) | |
59837fe0 | 2272 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 AC |
2273 | "Target rejected architecture\n"); |
2274 | return NULL; | |
104c1213 JM |
2275 | } |
2276 | ||
ebdba546 AC |
2277 | /* Is this a pre-existing architecture (as determined by already |
2278 | being initialized)? Move it to the front of the architecture | |
2279 | list (keeping the list sorted Most Recently Used). */ | |
2280 | if (new_gdbarch->initialized_p) | |
104c1213 | 2281 | { |
ebdba546 AC |
2282 | struct gdbarch_list **list; |
2283 | struct gdbarch_list *this; | |
104c1213 | 2284 | if (gdbarch_debug) |
59837fe0 | 2285 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2286 | "Previous architecture %s (%s) selected\n", |
2287 | host_address_to_string (new_gdbarch), | |
104c1213 | 2288 | new_gdbarch->bfd_arch_info->printable_name); |
ebdba546 AC |
2289 | /* Find the existing arch in the list. */ |
2290 | for (list = ®o->arches; | |
2291 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2292 | list = &(*list)->next); | |
2293 | /* It had better be in the list of architectures. */ | |
2294 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2295 | /* Unlink THIS. */ | |
2296 | this = (*list); | |
2297 | (*list) = this->next; | |
2298 | /* Insert THIS at the front. */ | |
2299 | this->next = rego->arches; | |
2300 | rego->arches = this; | |
2301 | /* Return it. */ | |
2302 | return new_gdbarch; | |
104c1213 JM |
2303 | } |
2304 | ||
ebdba546 AC |
2305 | /* It's a new architecture. */ |
2306 | if (gdbarch_debug) | |
59837fe0 | 2307 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2308 | "New architecture %s (%s) selected\n", |
2309 | host_address_to_string (new_gdbarch), | |
ebdba546 AC |
2310 | new_gdbarch->bfd_arch_info->printable_name); |
2311 | ||
2312 | /* Insert the new architecture into the front of the architecture | |
2313 | list (keep the list sorted Most Recently Used). */ | |
0f79675b | 2314 | { |
70ba0933 | 2315 | struct gdbarch_list *this = XNEW (struct gdbarch_list); |
0f79675b AC |
2316 | this->next = rego->arches; |
2317 | this->gdbarch = new_gdbarch; | |
2318 | rego->arches = this; | |
2319 | } | |
104c1213 | 2320 | |
4b9b3959 AC |
2321 | /* Check that the newly installed architecture is valid. Plug in |
2322 | any post init values. */ | |
2323 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2324 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2325 | new_gdbarch->initialized_p = 1; |
104c1213 | 2326 | |
4b9b3959 | 2327 | if (gdbarch_debug) |
ebdba546 AC |
2328 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2329 | ||
2330 | return new_gdbarch; | |
2331 | } | |
2332 | ||
e487cc15 | 2333 | /* Make the specified architecture current. */ |
ebdba546 AC |
2334 | |
2335 | void | |
aff68abb | 2336 | set_target_gdbarch (struct gdbarch *new_gdbarch) |
ebdba546 AC |
2337 | { |
2338 | gdb_assert (new_gdbarch != NULL); | |
ebdba546 | 2339 | gdb_assert (new_gdbarch->initialized_p); |
6ecd4729 | 2340 | current_inferior ()->gdbarch = new_gdbarch; |
383f836e | 2341 | observer_notify_architecture_changed (new_gdbarch); |
a3ecef73 | 2342 | registers_changed (); |
ebdba546 | 2343 | } |
104c1213 | 2344 | |
f5656ead | 2345 | /* Return the current inferior's arch. */ |
6ecd4729 PA |
2346 | |
2347 | struct gdbarch * | |
f5656ead | 2348 | target_gdbarch (void) |
6ecd4729 PA |
2349 | { |
2350 | return current_inferior ()->gdbarch; | |
2351 | } | |
2352 | ||
104c1213 | 2353 | extern void _initialize_gdbarch (void); |
b4a20239 | 2354 | |
104c1213 | 2355 | void |
34620563 | 2356 | _initialize_gdbarch (void) |
104c1213 | 2357 | { |
ccce17b0 | 2358 | add_setshow_zuinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
85c07804 AC |
2359 | Set architecture debugging."), _("\\ |
2360 | Show architecture debugging."), _("\\ | |
2361 | When non-zero, architecture debugging is enabled."), | |
2362 | NULL, | |
920d2a44 | 2363 | show_gdbarch_debug, |
85c07804 | 2364 | &setdebuglist, &showdebuglist); |
104c1213 JM |
2365 | } |
2366 | EOF | |
2367 | ||
2368 | # close things off | |
2369 | exec 1>&2 | |
2370 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2371 | compare_new gdbarch.c |