Commit | Line | Data |
---|---|---|
66b43ecb | 1 | #!/bin/sh -u |
104c1213 JM |
2 | |
3 | # Architecture commands for GDB, the GNU debugger. | |
79d45cd4 | 4 | # |
28e7fd62 | 5 | # Copyright (C) 1998-2013 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 | # |
97030eea | 343 | i:int:byte_order:::BFD_ENDIAN_BIG |
9d4fde75 | 344 | i:int: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 | |
f3be58bc | 472 | # See gdbint.texinfo, and PUSH_DUMMY_CALL. |
669fac23 DJ |
473 | M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame |
474 | # Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete | |
064f5156 | 475 | # deprecated_fp_regnum. |
97030eea | 476 | v:int:deprecated_fp_regnum:::-1:-1::0 |
f3be58bc | 477 | |
a86c5fc9 | 478 | # See gdbint.texinfo. See infcall.c. |
97030eea UW |
479 | 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 |
480 | v:int:call_dummy_location::::AT_ENTRY_POINT::0 | |
481 | 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 | 482 | |
97030eea UW |
483 | 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 |
484 | M:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
485 | M:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
7c7651b2 AC |
486 | # MAP a GDB RAW register number onto a simulator register number. See |
487 | # also include/...-sim.h. | |
e7faf938 | 488 | m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0 |
64a3914f MD |
489 | m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0 |
490 | m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0 | |
9df628e0 | 491 | # setjmp/longjmp support. |
97030eea | 492 | F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc |
104c1213 | 493 | # |
97030eea | 494 | v:int:believe_pcc_promotion::::::: |
104c1213 | 495 | # |
0abe36f5 | 496 | m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0 |
8dccd430 | 497 | 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 | 498 | f:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0 |
9acbedc0 UW |
499 | # Construct a value representing the contents of register REGNUM in |
500 | # frame FRAME, interpreted as type TYPE. The routine needs to | |
501 | # allocate and return a struct value with all value attributes | |
502 | # (but not the value contents) filled in. | |
97030eea | 503 | f:struct value *:value_from_register:struct type *type, int regnum, struct frame_info *frame:type, regnum, frame::default_value_from_register::0 |
104c1213 | 504 | # |
9898f801 UW |
505 | m:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0 |
506 | m:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0 | |
97030eea | 507 | M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf |
92ad9cd9 | 508 | |
6a3a010b MR |
509 | # Return the return-value convention that will be used by FUNCTION |
510 | # to return a value of type VALTYPE. FUNCTION may be NULL in which | |
ea42b34a JB |
511 | # case the return convention is computed based only on VALTYPE. |
512 | # | |
513 | # If READBUF is not NULL, extract the return value and save it in this buffer. | |
514 | # | |
515 | # If WRITEBUF is not NULL, it contains a return value which will be | |
516 | # stored into the appropriate register. This can be used when we want | |
517 | # to force the value returned by a function (see the "return" command | |
518 | # for instance). | |
6a3a010b | 519 | 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 | 520 | |
18648a37 YQ |
521 | # Return true if the return value of function is stored in the first hidden |
522 | # parameter. In theory, this feature should be language-dependent, specified | |
523 | # by language and its ABI, such as C++. Unfortunately, compiler may | |
524 | # implement it to a target-dependent feature. So that we need such hook here | |
525 | # to be aware of this in GDB. | |
526 | m:int:return_in_first_hidden_param_p:struct type *type:type::default_return_in_first_hidden_param_p::0 | |
527 | ||
6093d2eb | 528 | m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0 |
4309257c | 529 | M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip |
97030eea | 530 | f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0 |
67d57894 | 531 | m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0: |
a1dcb23a DJ |
532 | # Return the adjusted address and kind to use for Z0/Z1 packets. |
533 | # KIND is usually the memory length of the breakpoint, but may have a | |
534 | # different target-specific meaning. | |
0e05dfcb | 535 | m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0 |
97030eea | 536 | M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr |
ae4b2284 MD |
537 | m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0 |
538 | m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0 | |
97030eea | 539 | v:CORE_ADDR:decr_pc_after_break:::0:::0 |
782263ab AC |
540 | |
541 | # A function can be addressed by either it's "pointer" (possibly a | |
542 | # descriptor address) or "entry point" (first executable instruction). | |
543 | # The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 544 | # latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
545 | # a simplified subset of that functionality - the function's address |
546 | # corresponds to the "function pointer" and the function's start | |
547 | # corresponds to the "function entry point" - and hence is redundant. | |
548 | ||
97030eea | 549 | v:CORE_ADDR:deprecated_function_start_offset:::0:::0 |
782263ab | 550 | |
123dc839 DJ |
551 | # Return the remote protocol register number associated with this |
552 | # register. Normally the identity mapping. | |
97030eea | 553 | m:int:remote_register_number:int regno:regno::default_remote_register_number::0 |
123dc839 | 554 | |
b2756930 | 555 | # Fetch the target specific address used to represent a load module. |
97030eea | 556 | F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile |
104c1213 | 557 | # |
97030eea UW |
558 | v:CORE_ADDR:frame_args_skip:::0:::0 |
559 | M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame | |
560 | M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame | |
42efa47a AC |
561 | # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
562 | # frame-base. Enable frame-base before frame-unwind. | |
97030eea | 563 | F:int:frame_num_args:struct frame_info *frame:frame |
104c1213 | 564 | # |
97030eea UW |
565 | M:CORE_ADDR:frame_align:CORE_ADDR address:address |
566 | m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0 | |
567 | v:int:frame_red_zone_size | |
f0d4cc9e | 568 | # |
97030eea | 569 | 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 |
570 | # On some machines there are bits in addresses which are not really |
571 | # part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 572 | # for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
573 | # we get a "real" address such as one would find in a symbol table. |
574 | # This is used only for addresses of instructions, and even then I'm | |
575 | # not sure it's used in all contexts. It exists to deal with there | |
576 | # being a few stray bits in the PC which would mislead us, not as some | |
577 | # sort of generic thing to handle alignment or segmentation (it's | |
578 | # possible it should be in TARGET_READ_PC instead). | |
24568a2c | 579 | m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 |
e6590a1b UW |
580 | |
581 | # FIXME/cagney/2001-01-18: This should be split in two. A target method that | |
582 | # indicates if the target needs software single step. An ISA method to | |
583 | # implement it. | |
584 | # | |
585 | # FIXME/cagney/2001-01-18: This should be replaced with something that inserts | |
586 | # breakpoints using the breakpoint system instead of blatting memory directly | |
587 | # (as with rs6000). | |
64c4637f | 588 | # |
e6590a1b UW |
589 | # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
590 | # target can single step. If not, then implement single step using breakpoints. | |
64c4637f | 591 | # |
6f112b18 | 592 | # A return value of 1 means that the software_single_step breakpoints |
e6590a1b | 593 | # were inserted; 0 means they were not. |
97030eea | 594 | F:int:software_single_step:struct frame_info *frame:frame |
e6590a1b | 595 | |
3352ef37 AC |
596 | # Return non-zero if the processor is executing a delay slot and a |
597 | # further single-step is needed before the instruction finishes. | |
97030eea | 598 | M:int:single_step_through_delay:struct frame_info *frame:frame |
f6c40618 | 599 | # FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 600 | # disassembler. Perhaps objdump can handle it? |
97030eea UW |
601 | f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0: |
602 | f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0 | |
d50355b6 MS |
603 | |
604 | ||
cfd8ab24 | 605 | # If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
606 | # evaluates non-zero, this is the address where the debugger will place |
607 | # a step-resume breakpoint to get us past the dynamic linker. | |
97030eea | 608 | m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0 |
d50355b6 | 609 | # Some systems also have trampoline code for returning from shared libs. |
2c02bd72 | 610 | m:int:in_solib_return_trampoline:CORE_ADDR pc, const char *name:pc, name::generic_in_solib_return_trampoline::0 |
d50355b6 | 611 | |
c12260ac CV |
612 | # A target might have problems with watchpoints as soon as the stack |
613 | # frame of the current function has been destroyed. This mostly happens | |
614 | # as the first action in a funtion's epilogue. in_function_epilogue_p() | |
615 | # is defined to return a non-zero value if either the given addr is one | |
616 | # instruction after the stack destroying instruction up to the trailing | |
617 | # return instruction or if we can figure out that the stack frame has | |
618 | # already been invalidated regardless of the value of addr. Targets | |
619 | # which don't suffer from that problem could just let this functionality | |
620 | # untouched. | |
97030eea | 621 | m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0 |
97030eea UW |
622 | f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0 |
623 | f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 | |
97030eea UW |
624 | v:int:cannot_step_breakpoint:::0:0::0 |
625 | v:int:have_nonsteppable_watchpoint:::0:0::0 | |
626 | F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class | |
627 | M:const char *:address_class_type_flags_to_name:int type_flags:type_flags | |
628 | M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr | |
b59ff9d5 | 629 | # Is a register in a group |
97030eea | 630 | m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0 |
f6214256 | 631 | # Fetch the pointer to the ith function argument. |
97030eea | 632 | F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
6ce6d90f MK |
633 | |
634 | # Return the appropriate register set for a core file section with | |
635 | # name SECT_NAME and size SECT_SIZE. | |
97030eea | 636 | M:const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size |
0d5de010 | 637 | |
17ea7499 CES |
638 | # Supported register notes in a core file. |
639 | v:struct core_regset_section *:core_regset_sections:const char *name, int len::::::host_address_to_string (gdbarch->core_regset_sections) | |
640 | ||
6432734d UW |
641 | # Create core file notes |
642 | M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size | |
643 | ||
b3ac9c77 SDJ |
644 | # The elfcore writer hook to use to write Linux prpsinfo notes to core |
645 | # files. Most Linux architectures use the same prpsinfo32 or | |
646 | # prpsinfo64 layouts, and so won't need to provide this hook, as we | |
647 | # call the Linux generic routines in bfd to write prpsinfo notes by | |
648 | # default. | |
649 | 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 | |
650 | ||
35c2fab7 UW |
651 | # Find core file memory regions |
652 | M:int:find_memory_regions:find_memory_region_ftype func, void *data:func, data | |
653 | ||
de584861 PA |
654 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
655 | # core file into buffer READBUF with length LEN. | |
97030eea | 656 | M:LONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, LONGEST len:readbuf, offset, len |
de584861 | 657 | |
c0edd9ed | 658 | # How the core target converts a PTID from a core file to a string. |
28439f5e PA |
659 | M:char *:core_pid_to_str:ptid_t ptid:ptid |
660 | ||
a78c2d62 | 661 | # BFD target to use when generating a core file. |
86ba1042 | 662 | V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target) |
a78c2d62 | 663 | |
0d5de010 DJ |
664 | # If the elements of C++ vtables are in-place function descriptors rather |
665 | # than normal function pointers (which may point to code or a descriptor), | |
666 | # set this to one. | |
97030eea | 667 | v:int:vtable_function_descriptors:::0:0::0 |
0d5de010 DJ |
668 | |
669 | # Set if the least significant bit of the delta is used instead of the least | |
670 | # significant bit of the pfn for pointers to virtual member functions. | |
97030eea | 671 | v:int:vbit_in_delta:::0:0::0 |
6d350bb5 UW |
672 | |
673 | # Advance PC to next instruction in order to skip a permanent breakpoint. | |
97030eea | 674 | F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache |
1c772458 | 675 | |
1668ae25 | 676 | # The maximum length of an instruction on this architecture in bytes. |
237fc4c9 PA |
677 | V:ULONGEST:max_insn_length:::0:0 |
678 | ||
679 | # Copy the instruction at FROM to TO, and make any adjustments | |
680 | # necessary to single-step it at that address. | |
681 | # | |
682 | # REGS holds the state the thread's registers will have before | |
683 | # executing the copied instruction; the PC in REGS will refer to FROM, | |
684 | # not the copy at TO. The caller should update it to point at TO later. | |
685 | # | |
686 | # Return a pointer to data of the architecture's choice to be passed | |
687 | # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
688 | # the instruction's effects have been completely simulated, with the | |
689 | # resulting state written back to REGS. | |
690 | # | |
691 | # For a general explanation of displaced stepping and how GDB uses it, | |
692 | # see the comments in infrun.c. | |
693 | # | |
694 | # The TO area is only guaranteed to have space for | |
695 | # gdbarch_max_insn_length (arch) bytes, so this function must not | |
696 | # write more bytes than that to that area. | |
697 | # | |
698 | # If you do not provide this function, GDB assumes that the | |
699 | # architecture does not support displaced stepping. | |
700 | # | |
701 | # If your architecture doesn't need to adjust instructions before | |
702 | # single-stepping them, consider using simple_displaced_step_copy_insn | |
703 | # here. | |
704 | M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs | |
705 | ||
99e40580 UW |
706 | # Return true if GDB should use hardware single-stepping to execute |
707 | # the displaced instruction identified by CLOSURE. If false, | |
708 | # GDB will simply restart execution at the displaced instruction | |
709 | # location, and it is up to the target to ensure GDB will receive | |
710 | # control again (e.g. by placing a software breakpoint instruction | |
711 | # into the displaced instruction buffer). | |
712 | # | |
713 | # The default implementation returns false on all targets that | |
714 | # provide a gdbarch_software_single_step routine, and true otherwise. | |
715 | m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 | |
716 | ||
237fc4c9 PA |
717 | # Fix up the state resulting from successfully single-stepping a |
718 | # displaced instruction, to give the result we would have gotten from | |
719 | # stepping the instruction in its original location. | |
720 | # | |
721 | # REGS is the register state resulting from single-stepping the | |
722 | # displaced instruction. | |
723 | # | |
724 | # CLOSURE is the result from the matching call to | |
725 | # gdbarch_displaced_step_copy_insn. | |
726 | # | |
727 | # If you provide gdbarch_displaced_step_copy_insn.but not this | |
728 | # function, then GDB assumes that no fixup is needed after | |
729 | # single-stepping the instruction. | |
730 | # | |
731 | # For a general explanation of displaced stepping and how GDB uses it, | |
732 | # see the comments in infrun.c. | |
733 | M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL | |
734 | ||
735 | # Free a closure returned by gdbarch_displaced_step_copy_insn. | |
736 | # | |
737 | # If you provide gdbarch_displaced_step_copy_insn, you must provide | |
738 | # this function as well. | |
739 | # | |
740 | # If your architecture uses closures that don't need to be freed, then | |
741 | # you can use simple_displaced_step_free_closure here. | |
742 | # | |
743 | # For a general explanation of displaced stepping and how GDB uses it, | |
744 | # see the comments in infrun.c. | |
745 | m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) | |
746 | ||
747 | # Return the address of an appropriate place to put displaced | |
748 | # instructions while we step over them. There need only be one such | |
749 | # place, since we're only stepping one thread over a breakpoint at a | |
750 | # time. | |
751 | # | |
752 | # For a general explanation of displaced stepping and how GDB uses it, | |
753 | # see the comments in infrun.c. | |
754 | m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) | |
755 | ||
dde08ee1 PA |
756 | # Relocate an instruction to execute at a different address. OLDLOC |
757 | # is the address in the inferior memory where the instruction to | |
758 | # relocate is currently at. On input, TO points to the destination | |
759 | # where we want the instruction to be copied (and possibly adjusted) | |
760 | # to. On output, it points to one past the end of the resulting | |
761 | # instruction(s). The effect of executing the instruction at TO shall | |
762 | # be the same as if executing it at FROM. For example, call | |
763 | # instructions that implicitly push the return address on the stack | |
764 | # should be adjusted to return to the instruction after OLDLOC; | |
765 | # relative branches, and other PC-relative instructions need the | |
766 | # offset adjusted; etc. | |
767 | M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL | |
768 | ||
1c772458 | 769 | # Refresh overlay mapped state for section OSECT. |
97030eea | 770 | F:void:overlay_update:struct obj_section *osect:osect |
4eb0ad19 | 771 | |
97030eea | 772 | M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
149ad273 UW |
773 | |
774 | # Handle special encoding of static variables in stabs debug info. | |
0d5cff50 | 775 | F:const char *:static_transform_name:const char *name:name |
203c3895 | 776 | # Set if the address in N_SO or N_FUN stabs may be zero. |
97030eea | 777 | v:int:sofun_address_maybe_missing:::0:0::0 |
1cded358 | 778 | |
0508c3ec HZ |
779 | # Parse the instruction at ADDR storing in the record execution log |
780 | # the registers REGCACHE and memory ranges that will be affected when | |
781 | # the instruction executes, along with their current values. | |
782 | # Return -1 if something goes wrong, 0 otherwise. | |
783 | M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr | |
784 | ||
3846b520 HZ |
785 | # Save process state after a signal. |
786 | # Return -1 if something goes wrong, 0 otherwise. | |
2ea28649 | 787 | M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:regcache, signal |
3846b520 | 788 | |
22203bbf | 789 | # Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
790 | # into GDB's representation. The implementation of this method must |
791 | # be host independent. IOW, don't rely on symbols of the NAT_FILE | |
792 | # header (the nm-*.h files), the host <signal.h> header, or similar | |
793 | # headers. This is mainly used when cross-debugging core files --- | |
794 | # "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
795 | # (target_wait, target_resume, etc.). |
796 | M:enum gdb_signal:gdb_signal_from_target:int signo:signo | |
60c5725c | 797 | |
4aa995e1 PA |
798 | # Extra signal info inspection. |
799 | # | |
800 | # Return a type suitable to inspect extra signal information. | |
801 | M:struct type *:get_siginfo_type:void: | |
802 | ||
60c5725c DJ |
803 | # Record architecture-specific information from the symbol table. |
804 | M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym | |
50c71eaf | 805 | |
a96d9b2e SDJ |
806 | # Function for the 'catch syscall' feature. |
807 | ||
808 | # Get architecture-specific system calls information from registers. | |
809 | M:LONGEST:get_syscall_number:ptid_t ptid:ptid | |
810 | ||
55aa24fb SDJ |
811 | # SystemTap related fields and functions. |
812 | ||
813 | # Prefix used to mark an integer constant on the architecture's assembly | |
814 | # For example, on x86 integer constants are written as: | |
815 | # | |
816 | # \$10 ;; integer constant 10 | |
817 | # | |
818 | # in this case, this prefix would be the character \`\$\'. | |
08af7a40 | 819 | v:const char *:stap_integer_prefix:::0:0::0:pstring (gdbarch->stap_integer_prefix) |
55aa24fb SDJ |
820 | |
821 | # Suffix used to mark an integer constant on the architecture's assembly. | |
08af7a40 | 822 | v:const char *:stap_integer_suffix:::0:0::0:pstring (gdbarch->stap_integer_suffix) |
55aa24fb SDJ |
823 | |
824 | # Prefix used to mark a register name on the architecture's assembly. | |
825 | # For example, on x86 the register name is written as: | |
826 | # | |
827 | # \%eax ;; register eax | |
828 | # | |
829 | # in this case, this prefix would be the character \`\%\'. | |
08af7a40 | 830 | v:const char *:stap_register_prefix:::0:0::0:pstring (gdbarch->stap_register_prefix) |
55aa24fb SDJ |
831 | |
832 | # Suffix used to mark a register name on the architecture's assembly | |
08af7a40 | 833 | v:const char *:stap_register_suffix:::0:0::0:pstring (gdbarch->stap_register_suffix) |
55aa24fb SDJ |
834 | |
835 | # Prefix used to mark a register indirection on the architecture's assembly. | |
836 | # For example, on x86 the register indirection is written as: | |
837 | # | |
838 | # \(\%eax\) ;; indirecting eax | |
839 | # | |
840 | # in this case, this prefix would be the charater \`\(\'. | |
841 | # | |
842 | # Please note that we use the indirection prefix also for register | |
843 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
08af7a40 | 844 | v:const char *:stap_register_indirection_prefix:::0:0::0:pstring (gdbarch->stap_register_indirection_prefix) |
55aa24fb SDJ |
845 | |
846 | # Suffix used to mark a register indirection on the architecture's assembly. | |
847 | # For example, on x86 the register indirection is written as: | |
848 | # | |
849 | # \(\%eax\) ;; indirecting eax | |
850 | # | |
851 | # in this case, this prefix would be the charater \`\)\'. | |
852 | # | |
853 | # Please note that we use the indirection suffix also for register | |
854 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
08af7a40 | 855 | v:const char *:stap_register_indirection_suffix:::0:0::0:pstring (gdbarch->stap_register_indirection_suffix) |
55aa24fb SDJ |
856 | |
857 | # Prefix used to name a register using GDB's nomenclature. | |
858 | # | |
859 | # For example, on PPC a register is represented by a number in the assembly | |
860 | # language (e.g., \`10\' is the 10th general-purpose register). However, | |
861 | # inside GDB this same register has an \`r\' appended to its name, so the 10th | |
862 | # register would be represented as \`r10\' internally. | |
08af7a40 | 863 | v:const char *:stap_gdb_register_prefix:::0:0::0:pstring (gdbarch->stap_gdb_register_prefix) |
55aa24fb SDJ |
864 | |
865 | # Suffix used to name a register using GDB's nomenclature. | |
08af7a40 | 866 | v:const char *:stap_gdb_register_suffix:::0:0::0:pstring (gdbarch->stap_gdb_register_suffix) |
55aa24fb SDJ |
867 | |
868 | # Check if S is a single operand. | |
869 | # | |
870 | # Single operands can be: | |
871 | # \- Literal integers, e.g. \`\$10\' on x86 | |
872 | # \- Register access, e.g. \`\%eax\' on x86 | |
873 | # \- Register indirection, e.g. \`\(\%eax\)\' on x86 | |
874 | # \- Register displacement, e.g. \`4\(\%eax\)\' on x86 | |
875 | # | |
876 | # This function should check for these patterns on the string | |
877 | # and return 1 if some were found, or zero otherwise. Please try to match | |
878 | # as much info as you can from the string, i.e., if you have to match | |
879 | # something like \`\(\%\', do not match just the \`\(\'. | |
880 | M:int:stap_is_single_operand:const char *s:s | |
881 | ||
882 | # Function used to handle a "special case" in the parser. | |
883 | # | |
884 | # A "special case" is considered to be an unknown token, i.e., a token | |
885 | # that the parser does not know how to parse. A good example of special | |
886 | # case would be ARM's register displacement syntax: | |
887 | # | |
888 | # [R0, #4] ;; displacing R0 by 4 | |
889 | # | |
890 | # Since the parser assumes that a register displacement is of the form: | |
891 | # | |
892 | # <number> <indirection_prefix> <register_name> <indirection_suffix> | |
893 | # | |
894 | # it means that it will not be able to recognize and parse this odd syntax. | |
895 | # Therefore, we should add a special case function that will handle this token. | |
896 | # | |
897 | # This function should generate the proper expression form of the expression | |
898 | # using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\' | |
899 | # and so on). It should also return 1 if the parsing was successful, or zero | |
900 | # if the token was not recognized as a special token (in this case, returning | |
901 | # zero means that the special parser is deferring the parsing to the generic | |
902 | # parser), and should advance the buffer pointer (p->arg). | |
903 | M:int:stap_parse_special_token:struct stap_parse_info *p:p | |
904 | ||
905 | ||
50c71eaf PA |
906 | # True if the list of shared libraries is one and only for all |
907 | # processes, as opposed to a list of shared libraries per inferior. | |
2567c7d9 PA |
908 | # This usually means that all processes, although may or may not share |
909 | # an address space, will see the same set of symbols at the same | |
910 | # addresses. | |
50c71eaf | 911 | v:int:has_global_solist:::0:0::0 |
2567c7d9 PA |
912 | |
913 | # On some targets, even though each inferior has its own private | |
914 | # address space, the debug interface takes care of making breakpoints | |
915 | # visible to all address spaces automatically. For such cases, | |
916 | # this property should be set to true. | |
917 | v:int:has_global_breakpoints:::0:0::0 | |
6c95b8df PA |
918 | |
919 | # True if inferiors share an address space (e.g., uClinux). | |
920 | m:int:has_shared_address_space:void:::default_has_shared_address_space::0 | |
7a697b8d SS |
921 | |
922 | # True if a fast tracepoint can be set at an address. | |
923 | m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 | |
75cebea9 | 924 | |
f870a310 TT |
925 | # Return the "auto" target charset. |
926 | f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0 | |
927 | # Return the "auto" target wide charset. | |
928 | f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0 | |
08105857 PA |
929 | |
930 | # If non-empty, this is a file extension that will be opened in place | |
931 | # of the file extension reported by the shared library list. | |
932 | # | |
933 | # This is most useful for toolchains that use a post-linker tool, | |
934 | # where the names of the files run on the target differ in extension | |
935 | # compared to the names of the files GDB should load for debug info. | |
936 | v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension) | |
ab38a727 PA |
937 | |
938 | # If true, the target OS has DOS-based file system semantics. That | |
939 | # is, absolute paths include a drive name, and the backslash is | |
940 | # considered a directory separator. | |
941 | v:int:has_dos_based_file_system:::0:0::0 | |
6710bf39 SS |
942 | |
943 | # Generate bytecodes to collect the return address in a frame. | |
944 | # Since the bytecodes run on the target, possibly with GDB not even | |
945 | # connected, the full unwinding machinery is not available, and | |
946 | # typically this function will issue bytecodes for one or more likely | |
947 | # places that the return address may be found. | |
948 | m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0 | |
949 | ||
3030c96e UW |
950 | # Implement the "info proc" command. |
951 | M:void:info_proc:char *args, enum info_proc_what what:args, what | |
952 | ||
451b7c33 TT |
953 | # Implement the "info proc" command for core files. Noe that there |
954 | # are two "info_proc"-like methods on gdbarch -- one for core files, | |
955 | # one for live targets. | |
956 | M:void:core_info_proc:char *args, enum info_proc_what what:args, what | |
957 | ||
19630284 JB |
958 | # Iterate over all objfiles in the order that makes the most sense |
959 | # for the architecture to make global symbol searches. | |
960 | # | |
961 | # CB is a callback function where OBJFILE is the objfile to be searched, | |
962 | # and CB_DATA a pointer to user-defined data (the same data that is passed | |
963 | # when calling this gdbarch method). The iteration stops if this function | |
964 | # returns nonzero. | |
965 | # | |
966 | # CB_DATA is a pointer to some user-defined data to be passed to | |
967 | # the callback. | |
968 | # | |
969 | # If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
970 | # inspected when the symbol search was requested. | |
971 | 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 | |
972 | ||
7e35103a JB |
973 | # Ravenscar arch-dependent ops. |
974 | v:struct ravenscar_arch_ops *:ravenscar_ops:::NULL:NULL::0:host_address_to_string (gdbarch->ravenscar_ops) | |
104c1213 | 975 | EOF |
104c1213 JM |
976 | } |
977 | ||
0b8f9e4d AC |
978 | # |
979 | # The .log file | |
980 | # | |
981 | exec > new-gdbarch.log | |
34620563 | 982 | function_list | while do_read |
0b8f9e4d AC |
983 | do |
984 | cat <<EOF | |
2f9b146e | 985 | ${class} ${returntype} ${function} ($formal) |
104c1213 | 986 | EOF |
3d9a5942 AC |
987 | for r in ${read} |
988 | do | |
989 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
990 | done | |
f0d4cc9e | 991 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 992 | then |
66d659b1 | 993 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
994 | kill $$ |
995 | exit 1 | |
996 | fi | |
72e74a21 | 997 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
998 | then |
999 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
1000 | kill $$ | |
1001 | exit 1 | |
1002 | fi | |
a72293e2 AC |
1003 | if class_is_multiarch_p |
1004 | then | |
1005 | if class_is_predicate_p ; then : | |
1006 | elif test "x${predefault}" = "x" | |
1007 | then | |
2f9b146e | 1008 | echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2 |
a72293e2 AC |
1009 | kill $$ |
1010 | exit 1 | |
1011 | fi | |
1012 | fi | |
3d9a5942 | 1013 | echo "" |
0b8f9e4d AC |
1014 | done |
1015 | ||
1016 | exec 1>&2 | |
1017 | compare_new gdbarch.log | |
1018 | ||
104c1213 JM |
1019 | |
1020 | copyright () | |
1021 | { | |
1022 | cat <<EOF | |
c4bfde41 JK |
1023 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
1024 | /* vi:set ro: */ | |
59233f88 | 1025 | |
104c1213 | 1026 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 1027 | |
28e7fd62 | 1028 | Copyright (C) 1998-2013 Free Software Foundation, Inc. |
104c1213 JM |
1029 | |
1030 | This file is part of GDB. | |
1031 | ||
1032 | This program is free software; you can redistribute it and/or modify | |
1033 | it under the terms of the GNU General Public License as published by | |
50efebf8 | 1034 | the Free Software Foundation; either version 3 of the License, or |
104c1213 | 1035 | (at your option) any later version. |
50efebf8 | 1036 | |
104c1213 JM |
1037 | This program is distributed in the hope that it will be useful, |
1038 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
1039 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
1040 | GNU General Public License for more details. | |
50efebf8 | 1041 | |
104c1213 | 1042 | You should have received a copy of the GNU General Public License |
50efebf8 | 1043 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 | 1044 | |
104c1213 JM |
1045 | /* This file was created with the aid of \`\`gdbarch.sh''. |
1046 | ||
52204a0b | 1047 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
1048 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
1049 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
1050 | being reported. | |
1051 | ||
1052 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 1053 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 1054 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 1055 | easier. */ |
104c1213 JM |
1056 | |
1057 | EOF | |
1058 | } | |
1059 | ||
1060 | # | |
1061 | # The .h file | |
1062 | # | |
1063 | ||
1064 | exec > new-gdbarch.h | |
1065 | copyright | |
1066 | cat <<EOF | |
1067 | #ifndef GDBARCH_H | |
1068 | #define GDBARCH_H | |
1069 | ||
da3331ec AC |
1070 | struct floatformat; |
1071 | struct ui_file; | |
104c1213 JM |
1072 | struct frame_info; |
1073 | struct value; | |
b6af0555 | 1074 | struct objfile; |
1c772458 | 1075 | struct obj_section; |
a2cf933a | 1076 | struct minimal_symbol; |
049ee0e4 | 1077 | struct regcache; |
b59ff9d5 | 1078 | struct reggroup; |
6ce6d90f | 1079 | struct regset; |
a89aa300 | 1080 | struct disassemble_info; |
e2d0e7eb | 1081 | struct target_ops; |
030f20e1 | 1082 | struct obstack; |
8181d85f | 1083 | struct bp_target_info; |
424163ea | 1084 | struct target_desc; |
237fc4c9 | 1085 | struct displaced_step_closure; |
17ea7499 | 1086 | struct core_regset_section; |
a96d9b2e | 1087 | struct syscall; |
175ff332 | 1088 | struct agent_expr; |
6710bf39 | 1089 | struct axs_value; |
55aa24fb | 1090 | struct stap_parse_info; |
7e35103a | 1091 | struct ravenscar_arch_ops; |
b3ac9c77 | 1092 | struct elf_internal_linux_prpsinfo; |
104c1213 | 1093 | |
6ecd4729 PA |
1094 | /* The architecture associated with the inferior through the |
1095 | connection to the target. | |
1096 | ||
1097 | The architecture vector provides some information that is really a | |
1098 | property of the inferior, accessed through a particular target: | |
1099 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
1100 | vector; etc. To differentiate architecture accesses to | |
1101 | per-inferior/target properties from | |
1102 | per-thread/per-frame/per-objfile properties, accesses to | |
1103 | per-inferior/target properties should be made through this | |
1104 | gdbarch. */ | |
1105 | ||
1106 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 1107 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 PA |
1108 | |
1109 | /* The initial, default architecture. It uses host values (for want of a better | |
1110 | choice). */ | |
1111 | extern struct gdbarch startup_gdbarch; | |
1112 | ||
19630284 JB |
1113 | |
1114 | /* Callback type for the 'iterate_over_objfiles_in_search_order' | |
1115 | gdbarch method. */ | |
1116 | ||
1117 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
1118 | (struct objfile *objfile, void *cb_data); | |
104c1213 JM |
1119 | EOF |
1120 | ||
1121 | # function typedef's | |
3d9a5942 AC |
1122 | printf "\n" |
1123 | printf "\n" | |
0963b4bd | 1124 | printf "/* The following are pre-initialized by GDBARCH. */\n" |
34620563 | 1125 | function_list | while do_read |
104c1213 | 1126 | do |
2ada493a AC |
1127 | if class_is_info_p |
1128 | then | |
3d9a5942 AC |
1129 | printf "\n" |
1130 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
0963b4bd | 1131 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" |
2ada493a | 1132 | fi |
104c1213 JM |
1133 | done |
1134 | ||
1135 | # function typedef's | |
3d9a5942 AC |
1136 | printf "\n" |
1137 | printf "\n" | |
0963b4bd | 1138 | printf "/* The following are initialized by the target dependent code. */\n" |
34620563 | 1139 | function_list | while do_read |
104c1213 | 1140 | do |
72e74a21 | 1141 | if [ -n "${comment}" ] |
34620563 AC |
1142 | then |
1143 | echo "${comment}" | sed \ | |
1144 | -e '2 s,#,/*,' \ | |
1145 | -e '3,$ s,#, ,' \ | |
1146 | -e '$ s,$, */,' | |
1147 | fi | |
412d5987 AC |
1148 | |
1149 | if class_is_predicate_p | |
2ada493a | 1150 | then |
412d5987 AC |
1151 | printf "\n" |
1152 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
4a5c6a1d | 1153 | fi |
2ada493a AC |
1154 | if class_is_variable_p |
1155 | then | |
3d9a5942 AC |
1156 | printf "\n" |
1157 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
1158 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
2ada493a AC |
1159 | fi |
1160 | if class_is_function_p | |
1161 | then | |
3d9a5942 | 1162 | printf "\n" |
72e74a21 | 1163 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
1164 | then |
1165 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
1166 | elif class_is_multiarch_p | |
1167 | then | |
1168 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
1169 | else | |
1170 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
1171 | fi | |
72e74a21 | 1172 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1173 | then |
3d9a5942 | 1174 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 1175 | else |
3d9a5942 | 1176 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 1177 | fi |
3d9a5942 | 1178 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
2ada493a | 1179 | fi |
104c1213 JM |
1180 | done |
1181 | ||
1182 | # close it off | |
1183 | cat <<EOF | |
1184 | ||
a96d9b2e SDJ |
1185 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1186 | #define UNKNOWN_SYSCALL (-1) | |
1187 | ||
104c1213 JM |
1188 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
1189 | ||
1190 | ||
1191 | /* Mechanism for co-ordinating the selection of a specific | |
1192 | architecture. | |
1193 | ||
1194 | GDB targets (*-tdep.c) can register an interest in a specific | |
1195 | architecture. Other GDB components can register a need to maintain | |
1196 | per-architecture data. | |
1197 | ||
1198 | The mechanisms below ensures that there is only a loose connection | |
1199 | between the set-architecture command and the various GDB | |
0fa6923a | 1200 | components. Each component can independently register their need |
104c1213 JM |
1201 | to maintain architecture specific data with gdbarch. |
1202 | ||
1203 | Pragmatics: | |
1204 | ||
1205 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1206 | didn't scale. | |
1207 | ||
1208 | The more traditional mega-struct containing architecture specific | |
1209 | data for all the various GDB components was also considered. Since | |
0fa6923a | 1210 | GDB is built from a variable number of (fairly independent) |
104c1213 | 1211 | components it was determined that the global aproach was not |
0963b4bd | 1212 | applicable. */ |
104c1213 JM |
1213 | |
1214 | ||
1215 | /* Register a new architectural family with GDB. | |
1216 | ||
1217 | Register support for the specified ARCHITECTURE with GDB. When | |
1218 | gdbarch determines that the specified architecture has been | |
1219 | selected, the corresponding INIT function is called. | |
1220 | ||
1221 | -- | |
1222 | ||
1223 | The INIT function takes two parameters: INFO which contains the | |
1224 | information available to gdbarch about the (possibly new) | |
1225 | architecture; ARCHES which is a list of the previously created | |
1226 | \`\`struct gdbarch'' for this architecture. | |
1227 | ||
0f79675b | 1228 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1229 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1230 | |
1231 | The ARCHES parameter is a linked list (sorted most recently used) | |
1232 | of all the previously created architures for this architecture | |
1233 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1234 | values from the previously selected architecture for this | |
59837fe0 | 1235 | architecture family. |
104c1213 JM |
1236 | |
1237 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1238 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1239 | gdbarch'' from the ARCHES list - indicating that the new |
1240 | architecture is just a synonym for an earlier architecture (see | |
1241 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1242 | - that describes the selected architecture (see gdbarch_alloc()). |
1243 | ||
1244 | The DUMP_TDEP function shall print out all target specific values. | |
1245 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1246 | multi-arch and non- multi-arch cases. */ |
104c1213 JM |
1247 | |
1248 | struct gdbarch_list | |
1249 | { | |
1250 | struct gdbarch *gdbarch; | |
1251 | struct gdbarch_list *next; | |
1252 | }; | |
1253 | ||
1254 | struct gdbarch_info | |
1255 | { | |
0963b4bd | 1256 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1257 | const struct bfd_arch_info *bfd_arch_info; |
1258 | ||
428721aa | 1259 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
104c1213 JM |
1260 | int byte_order; |
1261 | ||
9d4fde75 SS |
1262 | int byte_order_for_code; |
1263 | ||
0963b4bd | 1264 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1265 | bfd *abfd; |
1266 | ||
0963b4bd | 1267 | /* Use default: NULL (ZERO). */ |
104c1213 | 1268 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1269 | |
1270 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1271 | enum gdb_osabi osabi; | |
424163ea DJ |
1272 | |
1273 | /* Use default: NULL (ZERO). */ | |
1274 | const struct target_desc *target_desc; | |
104c1213 JM |
1275 | }; |
1276 | ||
1277 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1278 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1279 | |
4b9b3959 | 1280 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1281 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1282 | ||
4b9b3959 AC |
1283 | extern void gdbarch_register (enum bfd_architecture architecture, |
1284 | gdbarch_init_ftype *, | |
1285 | gdbarch_dump_tdep_ftype *); | |
1286 | ||
104c1213 | 1287 | |
b4a20239 AC |
1288 | /* Return a freshly allocated, NULL terminated, array of the valid |
1289 | architecture names. Since architectures are registered during the | |
1290 | _initialize phase this function only returns useful information | |
0963b4bd | 1291 | once initialization has been completed. */ |
b4a20239 AC |
1292 | |
1293 | extern const char **gdbarch_printable_names (void); | |
1294 | ||
1295 | ||
104c1213 | 1296 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1297 | matches the information provided by INFO. */ |
104c1213 | 1298 | |
424163ea | 1299 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
104c1213 JM |
1300 | |
1301 | ||
1302 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
424163ea | 1303 | basic initialization using values obtained from the INFO and TDEP |
104c1213 | 1304 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1305 | initialization of the object. */ |
104c1213 JM |
1306 | |
1307 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1308 | ||
1309 | ||
4b9b3959 AC |
1310 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1311 | It is assumed that the caller freeds the \`\`struct | |
0963b4bd | 1312 | gdbarch_tdep''. */ |
4b9b3959 | 1313 | |
058f20d5 JB |
1314 | extern void gdbarch_free (struct gdbarch *); |
1315 | ||
1316 | ||
aebd7893 AC |
1317 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1318 | obstack. The memory is freed when the corresponding architecture | |
1319 | is also freed. */ | |
1320 | ||
1321 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1322 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1323 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1324 | ||
1325 | ||
0963b4bd | 1326 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1327 | |
b732d07d AC |
1328 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1329 | architecture'' et.al., the existing architecture and BFD's default | |
1330 | architecture. INFO should be initialized to zero and then selected | |
1331 | fields should be updated. | |
104c1213 | 1332 | |
0963b4bd | 1333 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1334 | |
1335 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1336 | |
1337 | ||
ebdba546 AC |
1338 | /* Helper function. Find an architecture matching info. |
1339 | ||
1340 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1341 | set, and then finished using gdbarch_info_fill. | |
1342 | ||
1343 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1344 | architecture was found. */ |
ebdba546 AC |
1345 | |
1346 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1347 | ||
1348 | ||
aff68abb | 1349 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1350 | |
aff68abb | 1351 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1352 | |
104c1213 JM |
1353 | |
1354 | /* Register per-architecture data-pointer. | |
1355 | ||
1356 | Reserve space for a per-architecture data-pointer. An identifier | |
1357 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1358 | be saved in a local static variable. |
104c1213 | 1359 | |
fcc1c85c AC |
1360 | Memory for the per-architecture data shall be allocated using |
1361 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1362 | corresponding architecture object is deleted. | |
104c1213 | 1363 | |
95160752 AC |
1364 | When a previously created architecture is re-selected, the |
1365 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1366 | restored. INIT() is not re-called. |
104c1213 JM |
1367 | |
1368 | Multiple registrarants for any architecture are allowed (and | |
1369 | strongly encouraged). */ | |
1370 | ||
95160752 | 1371 | struct gdbarch_data; |
104c1213 | 1372 | |
030f20e1 AC |
1373 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1374 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1375 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1376 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1377 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1378 | struct gdbarch_data *data, | |
1379 | void *pointer); | |
104c1213 | 1380 | |
451fbdda | 1381 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1382 | |
1383 | ||
0fa6923a | 1384 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1385 | byte-order, ...) using information found in the BFD. */ |
104c1213 JM |
1386 | |
1387 | extern void set_gdbarch_from_file (bfd *); | |
1388 | ||
1389 | ||
e514a9d6 JM |
1390 | /* Initialize the current architecture to the "first" one we find on |
1391 | our list. */ | |
1392 | ||
1393 | extern void initialize_current_architecture (void); | |
1394 | ||
104c1213 | 1395 | /* gdbarch trace variable */ |
ccce17b0 | 1396 | extern unsigned int gdbarch_debug; |
104c1213 | 1397 | |
4b9b3959 | 1398 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1399 | |
1400 | #endif | |
1401 | EOF | |
1402 | exec 1>&2 | |
1403 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1404 | compare_new gdbarch.h |
104c1213 JM |
1405 | |
1406 | ||
1407 | # | |
1408 | # C file | |
1409 | # | |
1410 | ||
1411 | exec > new-gdbarch.c | |
1412 | copyright | |
1413 | cat <<EOF | |
1414 | ||
1415 | #include "defs.h" | |
7355ddba | 1416 | #include "arch-utils.h" |
104c1213 | 1417 | |
104c1213 | 1418 | #include "gdbcmd.h" |
faaf634c | 1419 | #include "inferior.h" |
104c1213 JM |
1420 | #include "symcat.h" |
1421 | ||
f0d4cc9e | 1422 | #include "floatformat.h" |
104c1213 | 1423 | |
95160752 | 1424 | #include "gdb_assert.h" |
b66d6d2e | 1425 | #include "gdb_string.h" |
b59ff9d5 | 1426 | #include "reggroups.h" |
4be87837 | 1427 | #include "osabi.h" |
aebd7893 | 1428 | #include "gdb_obstack.h" |
383f836e | 1429 | #include "observer.h" |
a3ecef73 | 1430 | #include "regcache.h" |
19630284 | 1431 | #include "objfiles.h" |
95160752 | 1432 | |
104c1213 JM |
1433 | /* Static function declarations */ |
1434 | ||
b3cc3077 | 1435 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1436 | |
104c1213 JM |
1437 | /* Non-zero if we want to trace architecture code. */ |
1438 | ||
1439 | #ifndef GDBARCH_DEBUG | |
1440 | #define GDBARCH_DEBUG 0 | |
1441 | #endif | |
ccce17b0 | 1442 | unsigned int gdbarch_debug = GDBARCH_DEBUG; |
920d2a44 AC |
1443 | static void |
1444 | show_gdbarch_debug (struct ui_file *file, int from_tty, | |
1445 | struct cmd_list_element *c, const char *value) | |
1446 | { | |
1447 | fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); | |
1448 | } | |
104c1213 | 1449 | |
456fcf94 | 1450 | static const char * |
8da61cc4 | 1451 | pformat (const struct floatformat **format) |
456fcf94 AC |
1452 | { |
1453 | if (format == NULL) | |
1454 | return "(null)"; | |
1455 | else | |
8da61cc4 DJ |
1456 | /* Just print out one of them - this is only for diagnostics. */ |
1457 | return format[0]->name; | |
456fcf94 AC |
1458 | } |
1459 | ||
08105857 PA |
1460 | static const char * |
1461 | pstring (const char *string) | |
1462 | { | |
1463 | if (string == NULL) | |
1464 | return "(null)"; | |
1465 | return string; | |
1466 | } | |
1467 | ||
104c1213 JM |
1468 | EOF |
1469 | ||
1470 | # gdbarch open the gdbarch object | |
3d9a5942 | 1471 | printf "\n" |
0963b4bd | 1472 | printf "/* Maintain the struct gdbarch object. */\n" |
3d9a5942 AC |
1473 | printf "\n" |
1474 | printf "struct gdbarch\n" | |
1475 | printf "{\n" | |
76860b5f AC |
1476 | printf " /* Has this architecture been fully initialized? */\n" |
1477 | printf " int initialized_p;\n" | |
aebd7893 AC |
1478 | printf "\n" |
1479 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1480 | printf " struct obstack *obstack;\n" | |
1481 | printf "\n" | |
0963b4bd | 1482 | printf " /* basic architectural information. */\n" |
34620563 | 1483 | function_list | while do_read |
104c1213 | 1484 | do |
2ada493a AC |
1485 | if class_is_info_p |
1486 | then | |
3d9a5942 | 1487 | printf " ${returntype} ${function};\n" |
2ada493a | 1488 | fi |
104c1213 | 1489 | done |
3d9a5942 | 1490 | printf "\n" |
0963b4bd | 1491 | printf " /* target specific vector. */\n" |
3d9a5942 AC |
1492 | printf " struct gdbarch_tdep *tdep;\n" |
1493 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1494 | printf "\n" | |
0963b4bd | 1495 | printf " /* per-architecture data-pointers. */\n" |
95160752 | 1496 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1497 | printf " void **data;\n" |
1498 | printf "\n" | |
104c1213 JM |
1499 | cat <<EOF |
1500 | /* Multi-arch values. | |
1501 | ||
1502 | When extending this structure you must: | |
1503 | ||
1504 | Add the field below. | |
1505 | ||
1506 | Declare set/get functions and define the corresponding | |
1507 | macro in gdbarch.h. | |
1508 | ||
1509 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1510 | initialize the new field. | |
1511 | ||
1512 | verify_gdbarch(): Confirm that the target updated the field | |
1513 | correctly. | |
1514 | ||
7e73cedf | 1515 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1516 | field is dumped out |
1517 | ||
c0e8c252 | 1518 | \`\`startup_gdbarch()'': Append an initial value to the static |
104c1213 JM |
1519 | variable (base values on the host's c-type system). |
1520 | ||
1521 | get_gdbarch(): Implement the set/get functions (probably using | |
1522 | the macro's as shortcuts). | |
1523 | ||
1524 | */ | |
1525 | ||
1526 | EOF | |
34620563 | 1527 | function_list | while do_read |
104c1213 | 1528 | do |
2ada493a AC |
1529 | if class_is_variable_p |
1530 | then | |
3d9a5942 | 1531 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1532 | elif class_is_function_p |
1533 | then | |
2f9b146e | 1534 | printf " gdbarch_${function}_ftype *${function};\n" |
2ada493a | 1535 | fi |
104c1213 | 1536 | done |
3d9a5942 | 1537 | printf "};\n" |
104c1213 JM |
1538 | |
1539 | # A pre-initialized vector | |
3d9a5942 AC |
1540 | printf "\n" |
1541 | printf "\n" | |
104c1213 JM |
1542 | cat <<EOF |
1543 | /* The default architecture uses host values (for want of a better | |
0963b4bd | 1544 | choice). */ |
104c1213 | 1545 | EOF |
3d9a5942 AC |
1546 | printf "\n" |
1547 | printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n" | |
1548 | printf "\n" | |
1549 | printf "struct gdbarch startup_gdbarch =\n" | |
1550 | printf "{\n" | |
76860b5f | 1551 | printf " 1, /* Always initialized. */\n" |
aebd7893 | 1552 | printf " NULL, /* The obstack. */\n" |
0963b4bd | 1553 | printf " /* basic architecture information. */\n" |
4b9b3959 | 1554 | function_list | while do_read |
104c1213 | 1555 | do |
2ada493a AC |
1556 | if class_is_info_p |
1557 | then | |
ec5cbaec | 1558 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1559 | fi |
104c1213 JM |
1560 | done |
1561 | cat <<EOF | |
0963b4bd | 1562 | /* target specific vector and its dump routine. */ |
4b9b3959 | 1563 | NULL, NULL, |
c66fb220 TT |
1564 | /*per-architecture data-pointers. */ |
1565 | 0, NULL, | |
104c1213 JM |
1566 | /* Multi-arch values */ |
1567 | EOF | |
34620563 | 1568 | function_list | while do_read |
104c1213 | 1569 | do |
2ada493a AC |
1570 | if class_is_function_p || class_is_variable_p |
1571 | then | |
ec5cbaec | 1572 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1573 | fi |
104c1213 JM |
1574 | done |
1575 | cat <<EOF | |
c0e8c252 | 1576 | /* startup_gdbarch() */ |
104c1213 | 1577 | }; |
4b9b3959 | 1578 | |
104c1213 JM |
1579 | EOF |
1580 | ||
1581 | # Create a new gdbarch struct | |
104c1213 | 1582 | cat <<EOF |
7de2341d | 1583 | |
66b43ecb | 1584 | /* Create a new \`\`struct gdbarch'' based on information provided by |
0963b4bd | 1585 | \`\`struct gdbarch_info''. */ |
104c1213 | 1586 | EOF |
3d9a5942 | 1587 | printf "\n" |
104c1213 JM |
1588 | cat <<EOF |
1589 | struct gdbarch * | |
1590 | gdbarch_alloc (const struct gdbarch_info *info, | |
1591 | struct gdbarch_tdep *tdep) | |
1592 | { | |
be7811ad | 1593 | struct gdbarch *gdbarch; |
aebd7893 AC |
1594 | |
1595 | /* Create an obstack for allocating all the per-architecture memory, | |
1596 | then use that to allocate the architecture vector. */ | |
1597 | struct obstack *obstack = XMALLOC (struct obstack); | |
1598 | obstack_init (obstack); | |
be7811ad MD |
1599 | gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
1600 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1601 | gdbarch->obstack = obstack; | |
85de9627 | 1602 | |
be7811ad | 1603 | alloc_gdbarch_data (gdbarch); |
85de9627 | 1604 | |
be7811ad | 1605 | gdbarch->tdep = tdep; |
104c1213 | 1606 | EOF |
3d9a5942 | 1607 | printf "\n" |
34620563 | 1608 | function_list | while do_read |
104c1213 | 1609 | do |
2ada493a AC |
1610 | if class_is_info_p |
1611 | then | |
be7811ad | 1612 | printf " gdbarch->${function} = info->${function};\n" |
2ada493a | 1613 | fi |
104c1213 | 1614 | done |
3d9a5942 | 1615 | printf "\n" |
0963b4bd | 1616 | printf " /* Force the explicit initialization of these. */\n" |
34620563 | 1617 | function_list | while do_read |
104c1213 | 1618 | do |
2ada493a AC |
1619 | if class_is_function_p || class_is_variable_p |
1620 | then | |
72e74a21 | 1621 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1622 | then |
be7811ad | 1623 | printf " gdbarch->${function} = ${predefault};\n" |
104c1213 | 1624 | fi |
2ada493a | 1625 | fi |
104c1213 JM |
1626 | done |
1627 | cat <<EOF | |
1628 | /* gdbarch_alloc() */ | |
1629 | ||
be7811ad | 1630 | return gdbarch; |
104c1213 JM |
1631 | } |
1632 | EOF | |
1633 | ||
058f20d5 | 1634 | # Free a gdbarch struct. |
3d9a5942 AC |
1635 | printf "\n" |
1636 | printf "\n" | |
058f20d5 | 1637 | cat <<EOF |
aebd7893 AC |
1638 | /* Allocate extra space using the per-architecture obstack. */ |
1639 | ||
1640 | void * | |
1641 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1642 | { | |
1643 | void *data = obstack_alloc (arch->obstack, size); | |
05c547f6 | 1644 | |
aebd7893 AC |
1645 | memset (data, 0, size); |
1646 | return data; | |
1647 | } | |
1648 | ||
1649 | ||
058f20d5 JB |
1650 | /* Free a gdbarch struct. This should never happen in normal |
1651 | operation --- once you've created a gdbarch, you keep it around. | |
1652 | However, if an architecture's init function encounters an error | |
1653 | building the structure, it may need to clean up a partially | |
1654 | constructed gdbarch. */ | |
4b9b3959 | 1655 | |
058f20d5 JB |
1656 | void |
1657 | gdbarch_free (struct gdbarch *arch) | |
1658 | { | |
aebd7893 | 1659 | struct obstack *obstack; |
05c547f6 | 1660 | |
95160752 | 1661 | gdb_assert (arch != NULL); |
aebd7893 AC |
1662 | gdb_assert (!arch->initialized_p); |
1663 | obstack = arch->obstack; | |
1664 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1665 | xfree (obstack); | |
058f20d5 JB |
1666 | } |
1667 | EOF | |
1668 | ||
104c1213 | 1669 | # verify a new architecture |
104c1213 | 1670 | cat <<EOF |
db446970 AC |
1671 | |
1672 | ||
1673 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1674 | ||
104c1213 | 1675 | static void |
be7811ad | 1676 | verify_gdbarch (struct gdbarch *gdbarch) |
104c1213 | 1677 | { |
f16a1923 AC |
1678 | struct ui_file *log; |
1679 | struct cleanup *cleanups; | |
759ef836 | 1680 | long length; |
f16a1923 | 1681 | char *buf; |
05c547f6 | 1682 | |
f16a1923 AC |
1683 | log = mem_fileopen (); |
1684 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1685 | /* fundamental */ |
be7811ad | 1686 | if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1687 | fprintf_unfiltered (log, "\n\tbyte-order"); |
be7811ad | 1688 | if (gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1689 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
0963b4bd | 1690 | /* Check those that need to be defined for the given multi-arch level. */ |
104c1213 | 1691 | EOF |
34620563 | 1692 | function_list | while do_read |
104c1213 | 1693 | do |
2ada493a AC |
1694 | if class_is_function_p || class_is_variable_p |
1695 | then | |
72e74a21 | 1696 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1697 | then |
3d9a5942 | 1698 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1699 | elif class_is_predicate_p |
1700 | then | |
0963b4bd | 1701 | printf " /* Skip verify of ${function}, has predicate. */\n" |
f0d4cc9e | 1702 | # FIXME: See do_read for potential simplification |
72e74a21 | 1703 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1704 | then |
3d9a5942 | 1705 | printf " if (${invalid_p})\n" |
be7811ad | 1706 | printf " gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1707 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1708 | then |
be7811ad MD |
1709 | printf " if (gdbarch->${function} == ${predefault})\n" |
1710 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1711 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1712 | then |
be7811ad MD |
1713 | printf " if (gdbarch->${function} == 0)\n" |
1714 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1715 | elif [ -n "${invalid_p}" ] |
104c1213 | 1716 | then |
4d60522e | 1717 | printf " if (${invalid_p})\n" |
f16a1923 | 1718 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1719 | elif [ -n "${predefault}" ] |
104c1213 | 1720 | then |
be7811ad | 1721 | printf " if (gdbarch->${function} == ${predefault})\n" |
f16a1923 | 1722 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1723 | fi |
2ada493a | 1724 | fi |
104c1213 JM |
1725 | done |
1726 | cat <<EOF | |
759ef836 | 1727 | buf = ui_file_xstrdup (log, &length); |
f16a1923 | 1728 | make_cleanup (xfree, buf); |
759ef836 | 1729 | if (length > 0) |
f16a1923 | 1730 | internal_error (__FILE__, __LINE__, |
85c07804 | 1731 | _("verify_gdbarch: the following are invalid ...%s"), |
f16a1923 AC |
1732 | buf); |
1733 | do_cleanups (cleanups); | |
104c1213 JM |
1734 | } |
1735 | EOF | |
1736 | ||
1737 | # dump the structure | |
3d9a5942 AC |
1738 | printf "\n" |
1739 | printf "\n" | |
104c1213 | 1740 | cat <<EOF |
0963b4bd | 1741 | /* Print out the details of the current architecture. */ |
4b9b3959 | 1742 | |
104c1213 | 1743 | void |
be7811ad | 1744 | gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
104c1213 | 1745 | { |
b78960be | 1746 | const char *gdb_nm_file = "<not-defined>"; |
05c547f6 | 1747 | |
b78960be AC |
1748 | #if defined (GDB_NM_FILE) |
1749 | gdb_nm_file = GDB_NM_FILE; | |
1750 | #endif | |
1751 | fprintf_unfiltered (file, | |
1752 | "gdbarch_dump: GDB_NM_FILE = %s\\n", | |
1753 | gdb_nm_file); | |
104c1213 | 1754 | EOF |
97030eea | 1755 | function_list | sort -t: -k 3 | while do_read |
104c1213 | 1756 | do |
1e9f55d0 AC |
1757 | # First the predicate |
1758 | if class_is_predicate_p | |
1759 | then | |
7996bcec | 1760 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1761 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
be7811ad | 1762 | printf " gdbarch_${function}_p (gdbarch));\n" |
08e45a40 | 1763 | fi |
48f7351b | 1764 | # Print the corresponding value. |
283354d8 | 1765 | if class_is_function_p |
4b9b3959 | 1766 | then |
7996bcec | 1767 | printf " fprintf_unfiltered (file,\n" |
30737ed9 JB |
1768 | printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
1769 | printf " host_address_to_string (gdbarch->${function}));\n" | |
4b9b3959 | 1770 | else |
48f7351b | 1771 | # It is a variable |
2f9b146e AC |
1772 | case "${print}:${returntype}" in |
1773 | :CORE_ADDR ) | |
0b1553bc UW |
1774 | fmt="%s" |
1775 | print="core_addr_to_string_nz (gdbarch->${function})" | |
48f7351b | 1776 | ;; |
2f9b146e | 1777 | :* ) |
48f7351b | 1778 | fmt="%s" |
623d3eb1 | 1779 | print="plongest (gdbarch->${function})" |
48f7351b AC |
1780 | ;; |
1781 | * ) | |
2f9b146e | 1782 | fmt="%s" |
48f7351b AC |
1783 | ;; |
1784 | esac | |
3d9a5942 | 1785 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1786 | printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
3d9a5942 | 1787 | printf " ${print});\n" |
2ada493a | 1788 | fi |
104c1213 | 1789 | done |
381323f4 | 1790 | cat <<EOF |
be7811ad MD |
1791 | if (gdbarch->dump_tdep != NULL) |
1792 | gdbarch->dump_tdep (gdbarch, file); | |
381323f4 AC |
1793 | } |
1794 | EOF | |
104c1213 JM |
1795 | |
1796 | ||
1797 | # GET/SET | |
3d9a5942 | 1798 | printf "\n" |
104c1213 JM |
1799 | cat <<EOF |
1800 | struct gdbarch_tdep * | |
1801 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1802 | { | |
1803 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1804 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1805 | return gdbarch->tdep; |
1806 | } | |
1807 | EOF | |
3d9a5942 | 1808 | printf "\n" |
34620563 | 1809 | function_list | while do_read |
104c1213 | 1810 | do |
2ada493a AC |
1811 | if class_is_predicate_p |
1812 | then | |
3d9a5942 AC |
1813 | printf "\n" |
1814 | printf "int\n" | |
1815 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1816 | printf "{\n" | |
8de9bdc4 | 1817 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1818 | printf " return ${predicate};\n" |
3d9a5942 | 1819 | printf "}\n" |
2ada493a AC |
1820 | fi |
1821 | if class_is_function_p | |
1822 | then | |
3d9a5942 AC |
1823 | printf "\n" |
1824 | printf "${returntype}\n" | |
72e74a21 | 1825 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1826 | then |
3d9a5942 | 1827 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1828 | else |
3d9a5942 | 1829 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1830 | fi |
3d9a5942 | 1831 | printf "{\n" |
8de9bdc4 | 1832 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1833 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1834 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1835 | then |
1836 | # Allow a call to a function with a predicate. | |
956ac328 | 1837 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1838 | fi |
3d9a5942 AC |
1839 | printf " if (gdbarch_debug >= 2)\n" |
1840 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1841 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1842 | then |
1843 | if class_is_multiarch_p | |
1844 | then | |
1845 | params="gdbarch" | |
1846 | else | |
1847 | params="" | |
1848 | fi | |
1849 | else | |
1850 | if class_is_multiarch_p | |
1851 | then | |
1852 | params="gdbarch, ${actual}" | |
1853 | else | |
1854 | params="${actual}" | |
1855 | fi | |
1856 | fi | |
72e74a21 | 1857 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1858 | then |
4a5c6a1d | 1859 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1860 | else |
4a5c6a1d | 1861 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1862 | fi |
3d9a5942 AC |
1863 | printf "}\n" |
1864 | printf "\n" | |
1865 | printf "void\n" | |
1866 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1867 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1868 | printf "{\n" | |
1869 | printf " gdbarch->${function} = ${function};\n" | |
1870 | printf "}\n" | |
2ada493a AC |
1871 | elif class_is_variable_p |
1872 | then | |
3d9a5942 AC |
1873 | printf "\n" |
1874 | printf "${returntype}\n" | |
1875 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1876 | printf "{\n" | |
8de9bdc4 | 1877 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1878 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1879 | then |
3d9a5942 | 1880 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1881 | elif [ -n "${invalid_p}" ] |
104c1213 | 1882 | then |
956ac328 AC |
1883 | printf " /* Check variable is valid. */\n" |
1884 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1885 | elif [ -n "${predefault}" ] |
104c1213 | 1886 | then |
956ac328 AC |
1887 | printf " /* Check variable changed from pre-default. */\n" |
1888 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1889 | fi |
3d9a5942 AC |
1890 | printf " if (gdbarch_debug >= 2)\n" |
1891 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1892 | printf " return gdbarch->${function};\n" | |
1893 | printf "}\n" | |
1894 | printf "\n" | |
1895 | printf "void\n" | |
1896 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1897 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
1898 | printf "{\n" | |
1899 | printf " gdbarch->${function} = ${function};\n" | |
1900 | printf "}\n" | |
2ada493a AC |
1901 | elif class_is_info_p |
1902 | then | |
3d9a5942 AC |
1903 | printf "\n" |
1904 | printf "${returntype}\n" | |
1905 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1906 | printf "{\n" | |
8de9bdc4 | 1907 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
1908 | printf " if (gdbarch_debug >= 2)\n" |
1909 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1910 | printf " return gdbarch->${function};\n" | |
1911 | printf "}\n" | |
2ada493a | 1912 | fi |
104c1213 JM |
1913 | done |
1914 | ||
1915 | # All the trailing guff | |
1916 | cat <<EOF | |
1917 | ||
1918 | ||
f44c642f | 1919 | /* Keep a registry of per-architecture data-pointers required by GDB |
0963b4bd | 1920 | modules. */ |
104c1213 JM |
1921 | |
1922 | struct gdbarch_data | |
1923 | { | |
95160752 | 1924 | unsigned index; |
76860b5f | 1925 | int init_p; |
030f20e1 AC |
1926 | gdbarch_data_pre_init_ftype *pre_init; |
1927 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
1928 | }; |
1929 | ||
1930 | struct gdbarch_data_registration | |
1931 | { | |
104c1213 JM |
1932 | struct gdbarch_data *data; |
1933 | struct gdbarch_data_registration *next; | |
1934 | }; | |
1935 | ||
f44c642f | 1936 | struct gdbarch_data_registry |
104c1213 | 1937 | { |
95160752 | 1938 | unsigned nr; |
104c1213 JM |
1939 | struct gdbarch_data_registration *registrations; |
1940 | }; | |
1941 | ||
f44c642f | 1942 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
1943 | { |
1944 | 0, NULL, | |
1945 | }; | |
1946 | ||
030f20e1 AC |
1947 | static struct gdbarch_data * |
1948 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
1949 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
1950 | { |
1951 | struct gdbarch_data_registration **curr; | |
05c547f6 MS |
1952 | |
1953 | /* Append the new registration. */ | |
f44c642f | 1954 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
1955 | (*curr) != NULL; |
1956 | curr = &(*curr)->next); | |
1957 | (*curr) = XMALLOC (struct gdbarch_data_registration); | |
1958 | (*curr)->next = NULL; | |
104c1213 | 1959 | (*curr)->data = XMALLOC (struct gdbarch_data); |
f44c642f | 1960 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
1961 | (*curr)->data->pre_init = pre_init; |
1962 | (*curr)->data->post_init = post_init; | |
76860b5f | 1963 | (*curr)->data->init_p = 1; |
104c1213 JM |
1964 | return (*curr)->data; |
1965 | } | |
1966 | ||
030f20e1 AC |
1967 | struct gdbarch_data * |
1968 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
1969 | { | |
1970 | return gdbarch_data_register (pre_init, NULL); | |
1971 | } | |
1972 | ||
1973 | struct gdbarch_data * | |
1974 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
1975 | { | |
1976 | return gdbarch_data_register (NULL, post_init); | |
1977 | } | |
104c1213 | 1978 | |
0963b4bd | 1979 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
1980 | |
1981 | static void | |
b3cc3077 | 1982 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 1983 | { |
b3cc3077 JB |
1984 | gdb_assert (gdbarch->data == NULL); |
1985 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 1986 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 1987 | } |
3c875b6f | 1988 | |
76860b5f | 1989 | /* Initialize the current value of the specified per-architecture |
0963b4bd | 1990 | data-pointer. */ |
b3cc3077 | 1991 | |
95160752 | 1992 | void |
030f20e1 AC |
1993 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
1994 | struct gdbarch_data *data, | |
1995 | void *pointer) | |
95160752 AC |
1996 | { |
1997 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 1998 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 1999 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
2000 | gdbarch->data[data->index] = pointer; |
2001 | } | |
2002 | ||
104c1213 | 2003 | /* Return the current value of the specified per-architecture |
0963b4bd | 2004 | data-pointer. */ |
104c1213 JM |
2005 | |
2006 | void * | |
451fbdda | 2007 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 2008 | { |
451fbdda | 2009 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 2010 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 2011 | { |
030f20e1 AC |
2012 | /* The data-pointer isn't initialized, call init() to get a |
2013 | value. */ | |
2014 | if (data->pre_init != NULL) | |
2015 | /* Mid architecture creation: pass just the obstack, and not | |
2016 | the entire architecture, as that way it isn't possible for | |
2017 | pre-init code to refer to undefined architecture | |
2018 | fields. */ | |
2019 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
2020 | else if (gdbarch->initialized_p | |
2021 | && data->post_init != NULL) | |
2022 | /* Post architecture creation: pass the entire architecture | |
2023 | (as all fields are valid), but be careful to also detect | |
2024 | recursive references. */ | |
2025 | { | |
2026 | gdb_assert (data->init_p); | |
2027 | data->init_p = 0; | |
2028 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
2029 | data->init_p = 1; | |
2030 | } | |
2031 | else | |
2032 | /* The architecture initialization hasn't completed - punt - | |
2033 | hope that the caller knows what they are doing. Once | |
2034 | deprecated_set_gdbarch_data has been initialized, this can be | |
2035 | changed to an internal error. */ | |
2036 | return NULL; | |
76860b5f AC |
2037 | gdb_assert (gdbarch->data[data->index] != NULL); |
2038 | } | |
451fbdda | 2039 | return gdbarch->data[data->index]; |
104c1213 JM |
2040 | } |
2041 | ||
2042 | ||
0963b4bd | 2043 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 2044 | |
4b9b3959 | 2045 | struct gdbarch_registration |
104c1213 JM |
2046 | { |
2047 | enum bfd_architecture bfd_architecture; | |
2048 | gdbarch_init_ftype *init; | |
4b9b3959 | 2049 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 2050 | struct gdbarch_list *arches; |
4b9b3959 | 2051 | struct gdbarch_registration *next; |
104c1213 JM |
2052 | }; |
2053 | ||
f44c642f | 2054 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 2055 | |
b4a20239 AC |
2056 | static void |
2057 | append_name (const char ***buf, int *nr, const char *name) | |
2058 | { | |
2059 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
2060 | (*buf)[*nr] = name; | |
2061 | *nr += 1; | |
2062 | } | |
2063 | ||
2064 | const char ** | |
2065 | gdbarch_printable_names (void) | |
2066 | { | |
7996bcec | 2067 | /* Accumulate a list of names based on the registed list of |
0963b4bd | 2068 | architectures. */ |
7996bcec AC |
2069 | int nr_arches = 0; |
2070 | const char **arches = NULL; | |
2071 | struct gdbarch_registration *rego; | |
05c547f6 | 2072 | |
7996bcec AC |
2073 | for (rego = gdbarch_registry; |
2074 | rego != NULL; | |
2075 | rego = rego->next) | |
b4a20239 | 2076 | { |
7996bcec AC |
2077 | const struct bfd_arch_info *ap; |
2078 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2079 | if (ap == NULL) | |
2080 | internal_error (__FILE__, __LINE__, | |
85c07804 | 2081 | _("gdbarch_architecture_names: multi-arch unknown")); |
7996bcec AC |
2082 | do |
2083 | { | |
2084 | append_name (&arches, &nr_arches, ap->printable_name); | |
2085 | ap = ap->next; | |
2086 | } | |
2087 | while (ap != NULL); | |
b4a20239 | 2088 | } |
7996bcec AC |
2089 | append_name (&arches, &nr_arches, NULL); |
2090 | return arches; | |
b4a20239 AC |
2091 | } |
2092 | ||
2093 | ||
104c1213 | 2094 | void |
4b9b3959 AC |
2095 | gdbarch_register (enum bfd_architecture bfd_architecture, |
2096 | gdbarch_init_ftype *init, | |
2097 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 2098 | { |
4b9b3959 | 2099 | struct gdbarch_registration **curr; |
104c1213 | 2100 | const struct bfd_arch_info *bfd_arch_info; |
05c547f6 | 2101 | |
ec3d358c | 2102 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
2103 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
2104 | if (bfd_arch_info == NULL) | |
2105 | { | |
8e65ff28 | 2106 | internal_error (__FILE__, __LINE__, |
0963b4bd MS |
2107 | _("gdbarch: Attempt to register " |
2108 | "unknown architecture (%d)"), | |
8e65ff28 | 2109 | bfd_architecture); |
104c1213 | 2110 | } |
0963b4bd | 2111 | /* Check that we haven't seen this architecture before. */ |
f44c642f | 2112 | for (curr = &gdbarch_registry; |
104c1213 JM |
2113 | (*curr) != NULL; |
2114 | curr = &(*curr)->next) | |
2115 | { | |
2116 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 | 2117 | internal_error (__FILE__, __LINE__, |
64b9b334 | 2118 | _("gdbarch: Duplicate registration " |
0963b4bd | 2119 | "of architecture (%s)"), |
8e65ff28 | 2120 | bfd_arch_info->printable_name); |
104c1213 JM |
2121 | } |
2122 | /* log it */ | |
2123 | if (gdbarch_debug) | |
30737ed9 | 2124 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
104c1213 | 2125 | bfd_arch_info->printable_name, |
30737ed9 | 2126 | host_address_to_string (init)); |
104c1213 | 2127 | /* Append it */ |
4b9b3959 | 2128 | (*curr) = XMALLOC (struct gdbarch_registration); |
104c1213 JM |
2129 | (*curr)->bfd_architecture = bfd_architecture; |
2130 | (*curr)->init = init; | |
4b9b3959 | 2131 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
2132 | (*curr)->arches = NULL; |
2133 | (*curr)->next = NULL; | |
4b9b3959 AC |
2134 | } |
2135 | ||
2136 | void | |
2137 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
2138 | gdbarch_init_ftype *init) | |
2139 | { | |
2140 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 2141 | } |
104c1213 JM |
2142 | |
2143 | ||
424163ea | 2144 | /* Look for an architecture using gdbarch_info. */ |
104c1213 JM |
2145 | |
2146 | struct gdbarch_list * | |
2147 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
2148 | const struct gdbarch_info *info) | |
2149 | { | |
2150 | for (; arches != NULL; arches = arches->next) | |
2151 | { | |
2152 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
2153 | continue; | |
2154 | if (info->byte_order != arches->gdbarch->byte_order) | |
2155 | continue; | |
4be87837 DJ |
2156 | if (info->osabi != arches->gdbarch->osabi) |
2157 | continue; | |
424163ea DJ |
2158 | if (info->target_desc != arches->gdbarch->target_desc) |
2159 | continue; | |
104c1213 JM |
2160 | return arches; |
2161 | } | |
2162 | return NULL; | |
2163 | } | |
2164 | ||
2165 | ||
ebdba546 | 2166 | /* Find an architecture that matches the specified INFO. Create a new |
59837fe0 | 2167 | architecture if needed. Return that new architecture. */ |
104c1213 | 2168 | |
59837fe0 UW |
2169 | struct gdbarch * |
2170 | gdbarch_find_by_info (struct gdbarch_info info) | |
104c1213 JM |
2171 | { |
2172 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 2173 | struct gdbarch_registration *rego; |
104c1213 | 2174 | |
b732d07d | 2175 | /* Fill in missing parts of the INFO struct using a number of |
7a107747 DJ |
2176 | sources: "set ..."; INFOabfd supplied; and the global |
2177 | defaults. */ | |
2178 | gdbarch_info_fill (&info); | |
4be87837 | 2179 | |
0963b4bd | 2180 | /* Must have found some sort of architecture. */ |
b732d07d | 2181 | gdb_assert (info.bfd_arch_info != NULL); |
104c1213 JM |
2182 | |
2183 | if (gdbarch_debug) | |
2184 | { | |
2185 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2186 | "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
2187 | (info.bfd_arch_info != NULL |
2188 | ? info.bfd_arch_info->printable_name | |
2189 | : "(null)")); | |
2190 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2191 | "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
104c1213 | 2192 | info.byte_order, |
d7449b42 | 2193 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 2194 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 2195 | : "default")); |
4be87837 | 2196 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2197 | "gdbarch_find_by_info: info.osabi %d (%s)\n", |
4be87837 | 2198 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 2199 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2200 | "gdbarch_find_by_info: info.abfd %s\n", |
30737ed9 | 2201 | host_address_to_string (info.abfd)); |
104c1213 | 2202 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2203 | "gdbarch_find_by_info: info.tdep_info %s\n", |
30737ed9 | 2204 | host_address_to_string (info.tdep_info)); |
104c1213 JM |
2205 | } |
2206 | ||
ebdba546 | 2207 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
2208 | for (rego = gdbarch_registry; |
2209 | rego != NULL; | |
2210 | rego = rego->next) | |
2211 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
2212 | break; | |
2213 | if (rego == NULL) | |
2214 | { | |
2215 | if (gdbarch_debug) | |
59837fe0 | 2216 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 | 2217 | "No matching architecture\n"); |
b732d07d AC |
2218 | return 0; |
2219 | } | |
2220 | ||
ebdba546 | 2221 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
2222 | new_gdbarch = rego->init (info, rego->arches); |
2223 | ||
ebdba546 AC |
2224 | /* Did the tdep code like it? No. Reject the change and revert to |
2225 | the old architecture. */ | |
104c1213 JM |
2226 | if (new_gdbarch == NULL) |
2227 | { | |
2228 | if (gdbarch_debug) | |
59837fe0 | 2229 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 AC |
2230 | "Target rejected architecture\n"); |
2231 | return NULL; | |
104c1213 JM |
2232 | } |
2233 | ||
ebdba546 AC |
2234 | /* Is this a pre-existing architecture (as determined by already |
2235 | being initialized)? Move it to the front of the architecture | |
2236 | list (keeping the list sorted Most Recently Used). */ | |
2237 | if (new_gdbarch->initialized_p) | |
104c1213 | 2238 | { |
ebdba546 AC |
2239 | struct gdbarch_list **list; |
2240 | struct gdbarch_list *this; | |
104c1213 | 2241 | if (gdbarch_debug) |
59837fe0 | 2242 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2243 | "Previous architecture %s (%s) selected\n", |
2244 | host_address_to_string (new_gdbarch), | |
104c1213 | 2245 | new_gdbarch->bfd_arch_info->printable_name); |
ebdba546 AC |
2246 | /* Find the existing arch in the list. */ |
2247 | for (list = ®o->arches; | |
2248 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2249 | list = &(*list)->next); | |
2250 | /* It had better be in the list of architectures. */ | |
2251 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2252 | /* Unlink THIS. */ | |
2253 | this = (*list); | |
2254 | (*list) = this->next; | |
2255 | /* Insert THIS at the front. */ | |
2256 | this->next = rego->arches; | |
2257 | rego->arches = this; | |
2258 | /* Return it. */ | |
2259 | return new_gdbarch; | |
104c1213 JM |
2260 | } |
2261 | ||
ebdba546 AC |
2262 | /* It's a new architecture. */ |
2263 | if (gdbarch_debug) | |
59837fe0 | 2264 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2265 | "New architecture %s (%s) selected\n", |
2266 | host_address_to_string (new_gdbarch), | |
ebdba546 AC |
2267 | new_gdbarch->bfd_arch_info->printable_name); |
2268 | ||
2269 | /* Insert the new architecture into the front of the architecture | |
2270 | list (keep the list sorted Most Recently Used). */ | |
0f79675b AC |
2271 | { |
2272 | struct gdbarch_list *this = XMALLOC (struct gdbarch_list); | |
2273 | this->next = rego->arches; | |
2274 | this->gdbarch = new_gdbarch; | |
2275 | rego->arches = this; | |
2276 | } | |
104c1213 | 2277 | |
4b9b3959 AC |
2278 | /* Check that the newly installed architecture is valid. Plug in |
2279 | any post init values. */ | |
2280 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2281 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2282 | new_gdbarch->initialized_p = 1; |
104c1213 | 2283 | |
4b9b3959 | 2284 | if (gdbarch_debug) |
ebdba546 AC |
2285 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2286 | ||
2287 | return new_gdbarch; | |
2288 | } | |
2289 | ||
e487cc15 | 2290 | /* Make the specified architecture current. */ |
ebdba546 AC |
2291 | |
2292 | void | |
aff68abb | 2293 | set_target_gdbarch (struct gdbarch *new_gdbarch) |
ebdba546 AC |
2294 | { |
2295 | gdb_assert (new_gdbarch != NULL); | |
ebdba546 | 2296 | gdb_assert (new_gdbarch->initialized_p); |
6ecd4729 | 2297 | current_inferior ()->gdbarch = new_gdbarch; |
383f836e | 2298 | observer_notify_architecture_changed (new_gdbarch); |
a3ecef73 | 2299 | registers_changed (); |
ebdba546 | 2300 | } |
104c1213 | 2301 | |
f5656ead | 2302 | /* Return the current inferior's arch. */ |
6ecd4729 PA |
2303 | |
2304 | struct gdbarch * | |
f5656ead | 2305 | target_gdbarch (void) |
6ecd4729 PA |
2306 | { |
2307 | return current_inferior ()->gdbarch; | |
2308 | } | |
2309 | ||
104c1213 | 2310 | extern void _initialize_gdbarch (void); |
b4a20239 | 2311 | |
104c1213 | 2312 | void |
34620563 | 2313 | _initialize_gdbarch (void) |
104c1213 | 2314 | { |
ccce17b0 | 2315 | add_setshow_zuinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
85c07804 AC |
2316 | Set architecture debugging."), _("\\ |
2317 | Show architecture debugging."), _("\\ | |
2318 | When non-zero, architecture debugging is enabled."), | |
2319 | NULL, | |
920d2a44 | 2320 | show_gdbarch_debug, |
85c07804 | 2321 | &setdebuglist, &showdebuglist); |
104c1213 JM |
2322 | } |
2323 | EOF | |
2324 | ||
2325 | # close things off | |
2326 | exec 1>&2 | |
2327 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2328 | compare_new gdbarch.c |