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 | |
356a5233 JB |
658 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
659 | # libraries list from core file into buffer READBUF with length LEN. | |
660 | M:LONGEST:core_xfer_shared_libraries_aix:gdb_byte *readbuf, ULONGEST offset, LONGEST len:readbuf, offset, len | |
661 | ||
c0edd9ed | 662 | # How the core target converts a PTID from a core file to a string. |
28439f5e PA |
663 | M:char *:core_pid_to_str:ptid_t ptid:ptid |
664 | ||
a78c2d62 | 665 | # BFD target to use when generating a core file. |
86ba1042 | 666 | V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target) |
a78c2d62 | 667 | |
0d5de010 DJ |
668 | # If the elements of C++ vtables are in-place function descriptors rather |
669 | # than normal function pointers (which may point to code or a descriptor), | |
670 | # set this to one. | |
97030eea | 671 | v:int:vtable_function_descriptors:::0:0::0 |
0d5de010 DJ |
672 | |
673 | # Set if the least significant bit of the delta is used instead of the least | |
674 | # significant bit of the pfn for pointers to virtual member functions. | |
97030eea | 675 | v:int:vbit_in_delta:::0:0::0 |
6d350bb5 UW |
676 | |
677 | # Advance PC to next instruction in order to skip a permanent breakpoint. | |
97030eea | 678 | F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache |
1c772458 | 679 | |
1668ae25 | 680 | # The maximum length of an instruction on this architecture in bytes. |
237fc4c9 PA |
681 | V:ULONGEST:max_insn_length:::0:0 |
682 | ||
683 | # Copy the instruction at FROM to TO, and make any adjustments | |
684 | # necessary to single-step it at that address. | |
685 | # | |
686 | # REGS holds the state the thread's registers will have before | |
687 | # executing the copied instruction; the PC in REGS will refer to FROM, | |
688 | # not the copy at TO. The caller should update it to point at TO later. | |
689 | # | |
690 | # Return a pointer to data of the architecture's choice to be passed | |
691 | # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
692 | # the instruction's effects have been completely simulated, with the | |
693 | # resulting state written back to REGS. | |
694 | # | |
695 | # For a general explanation of displaced stepping and how GDB uses it, | |
696 | # see the comments in infrun.c. | |
697 | # | |
698 | # The TO area is only guaranteed to have space for | |
699 | # gdbarch_max_insn_length (arch) bytes, so this function must not | |
700 | # write more bytes than that to that area. | |
701 | # | |
702 | # If you do not provide this function, GDB assumes that the | |
703 | # architecture does not support displaced stepping. | |
704 | # | |
705 | # If your architecture doesn't need to adjust instructions before | |
706 | # single-stepping them, consider using simple_displaced_step_copy_insn | |
707 | # here. | |
708 | M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs | |
709 | ||
99e40580 UW |
710 | # Return true if GDB should use hardware single-stepping to execute |
711 | # the displaced instruction identified by CLOSURE. If false, | |
712 | # GDB will simply restart execution at the displaced instruction | |
713 | # location, and it is up to the target to ensure GDB will receive | |
714 | # control again (e.g. by placing a software breakpoint instruction | |
715 | # into the displaced instruction buffer). | |
716 | # | |
717 | # The default implementation returns false on all targets that | |
718 | # provide a gdbarch_software_single_step routine, and true otherwise. | |
719 | m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 | |
720 | ||
237fc4c9 PA |
721 | # Fix up the state resulting from successfully single-stepping a |
722 | # displaced instruction, to give the result we would have gotten from | |
723 | # stepping the instruction in its original location. | |
724 | # | |
725 | # REGS is the register state resulting from single-stepping the | |
726 | # displaced instruction. | |
727 | # | |
728 | # CLOSURE is the result from the matching call to | |
729 | # gdbarch_displaced_step_copy_insn. | |
730 | # | |
731 | # If you provide gdbarch_displaced_step_copy_insn.but not this | |
732 | # function, then GDB assumes that no fixup is needed after | |
733 | # single-stepping the instruction. | |
734 | # | |
735 | # For a general explanation of displaced stepping and how GDB uses it, | |
736 | # see the comments in infrun.c. | |
737 | M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL | |
738 | ||
739 | # Free a closure returned by gdbarch_displaced_step_copy_insn. | |
740 | # | |
741 | # If you provide gdbarch_displaced_step_copy_insn, you must provide | |
742 | # this function as well. | |
743 | # | |
744 | # If your architecture uses closures that don't need to be freed, then | |
745 | # you can use simple_displaced_step_free_closure here. | |
746 | # | |
747 | # For a general explanation of displaced stepping and how GDB uses it, | |
748 | # see the comments in infrun.c. | |
749 | m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) | |
750 | ||
751 | # Return the address of an appropriate place to put displaced | |
752 | # instructions while we step over them. There need only be one such | |
753 | # place, since we're only stepping one thread over a breakpoint at a | |
754 | # time. | |
755 | # | |
756 | # For a general explanation of displaced stepping and how GDB uses it, | |
757 | # see the comments in infrun.c. | |
758 | m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) | |
759 | ||
dde08ee1 PA |
760 | # Relocate an instruction to execute at a different address. OLDLOC |
761 | # is the address in the inferior memory where the instruction to | |
762 | # relocate is currently at. On input, TO points to the destination | |
763 | # where we want the instruction to be copied (and possibly adjusted) | |
764 | # to. On output, it points to one past the end of the resulting | |
765 | # instruction(s). The effect of executing the instruction at TO shall | |
766 | # be the same as if executing it at FROM. For example, call | |
767 | # instructions that implicitly push the return address on the stack | |
768 | # should be adjusted to return to the instruction after OLDLOC; | |
769 | # relative branches, and other PC-relative instructions need the | |
770 | # offset adjusted; etc. | |
771 | M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL | |
772 | ||
1c772458 | 773 | # Refresh overlay mapped state for section OSECT. |
97030eea | 774 | F:void:overlay_update:struct obj_section *osect:osect |
4eb0ad19 | 775 | |
97030eea | 776 | M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
149ad273 UW |
777 | |
778 | # Handle special encoding of static variables in stabs debug info. | |
0d5cff50 | 779 | F:const char *:static_transform_name:const char *name:name |
203c3895 | 780 | # Set if the address in N_SO or N_FUN stabs may be zero. |
97030eea | 781 | v:int:sofun_address_maybe_missing:::0:0::0 |
1cded358 | 782 | |
0508c3ec HZ |
783 | # Parse the instruction at ADDR storing in the record execution log |
784 | # the registers REGCACHE and memory ranges that will be affected when | |
785 | # the instruction executes, along with their current values. | |
786 | # Return -1 if something goes wrong, 0 otherwise. | |
787 | M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr | |
788 | ||
3846b520 HZ |
789 | # Save process state after a signal. |
790 | # Return -1 if something goes wrong, 0 otherwise. | |
2ea28649 | 791 | M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:regcache, signal |
3846b520 | 792 | |
22203bbf | 793 | # Signal translation: translate inferior's signal (target's) number |
86b49880 PA |
794 | # into GDB's representation. The implementation of this method must |
795 | # be host independent. IOW, don't rely on symbols of the NAT_FILE | |
796 | # header (the nm-*.h files), the host <signal.h> header, or similar | |
797 | # headers. This is mainly used when cross-debugging core files --- | |
798 | # "Live" targets hide the translation behind the target interface | |
1f8cf220 PA |
799 | # (target_wait, target_resume, etc.). |
800 | M:enum gdb_signal:gdb_signal_from_target:int signo:signo | |
60c5725c | 801 | |
eb14d406 SDJ |
802 | # Signal translation: translate the GDB's internal signal number into |
803 | # the inferior's signal (target's) representation. The implementation | |
804 | # of this method must be host independent. IOW, don't rely on symbols | |
805 | # of the NAT_FILE header (the nm-*.h files), the host <signal.h> | |
806 | # header, or similar headers. | |
807 | # Return the target signal number if found, or -1 if the GDB internal | |
808 | # signal number is invalid. | |
809 | M:int:gdb_signal_to_target:enum gdb_signal signal:signal | |
810 | ||
4aa995e1 PA |
811 | # Extra signal info inspection. |
812 | # | |
813 | # Return a type suitable to inspect extra signal information. | |
814 | M:struct type *:get_siginfo_type:void: | |
815 | ||
60c5725c DJ |
816 | # Record architecture-specific information from the symbol table. |
817 | M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym | |
50c71eaf | 818 | |
a96d9b2e SDJ |
819 | # Function for the 'catch syscall' feature. |
820 | ||
821 | # Get architecture-specific system calls information from registers. | |
822 | M:LONGEST:get_syscall_number:ptid_t ptid:ptid | |
823 | ||
55aa24fb SDJ |
824 | # SystemTap related fields and functions. |
825 | ||
826 | # Prefix used to mark an integer constant on the architecture's assembly | |
827 | # For example, on x86 integer constants are written as: | |
828 | # | |
829 | # \$10 ;; integer constant 10 | |
830 | # | |
831 | # in this case, this prefix would be the character \`\$\'. | |
08af7a40 | 832 | v:const char *:stap_integer_prefix:::0:0::0:pstring (gdbarch->stap_integer_prefix) |
55aa24fb SDJ |
833 | |
834 | # Suffix used to mark an integer constant on the architecture's assembly. | |
08af7a40 | 835 | v:const char *:stap_integer_suffix:::0:0::0:pstring (gdbarch->stap_integer_suffix) |
55aa24fb SDJ |
836 | |
837 | # Prefix used to mark a register name on the architecture's assembly. | |
838 | # For example, on x86 the register name is written as: | |
839 | # | |
840 | # \%eax ;; register eax | |
841 | # | |
842 | # in this case, this prefix would be the character \`\%\'. | |
08af7a40 | 843 | v:const char *:stap_register_prefix:::0:0::0:pstring (gdbarch->stap_register_prefix) |
55aa24fb SDJ |
844 | |
845 | # Suffix used to mark a register name on the architecture's assembly | |
08af7a40 | 846 | v:const char *:stap_register_suffix:::0:0::0:pstring (gdbarch->stap_register_suffix) |
55aa24fb SDJ |
847 | |
848 | # Prefix used to mark a register indirection on the architecture's assembly. | |
849 | # For example, on x86 the register indirection is written as: | |
850 | # | |
851 | # \(\%eax\) ;; indirecting eax | |
852 | # | |
853 | # in this case, this prefix would be the charater \`\(\'. | |
854 | # | |
855 | # Please note that we use the indirection prefix also for register | |
856 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
08af7a40 | 857 | v:const char *:stap_register_indirection_prefix:::0:0::0:pstring (gdbarch->stap_register_indirection_prefix) |
55aa24fb SDJ |
858 | |
859 | # Suffix used to mark a register indirection on the architecture's assembly. | |
860 | # For example, on x86 the register indirection is written as: | |
861 | # | |
862 | # \(\%eax\) ;; indirecting eax | |
863 | # | |
864 | # in this case, this prefix would be the charater \`\)\'. | |
865 | # | |
866 | # Please note that we use the indirection suffix also for register | |
867 | # displacement, e.g., \`4\(\%eax\)\' on x86. | |
08af7a40 | 868 | v:const char *:stap_register_indirection_suffix:::0:0::0:pstring (gdbarch->stap_register_indirection_suffix) |
55aa24fb SDJ |
869 | |
870 | # Prefix used to name a register using GDB's nomenclature. | |
871 | # | |
872 | # For example, on PPC a register is represented by a number in the assembly | |
873 | # language (e.g., \`10\' is the 10th general-purpose register). However, | |
874 | # inside GDB this same register has an \`r\' appended to its name, so the 10th | |
875 | # register would be represented as \`r10\' internally. | |
08af7a40 | 876 | v:const char *:stap_gdb_register_prefix:::0:0::0:pstring (gdbarch->stap_gdb_register_prefix) |
55aa24fb SDJ |
877 | |
878 | # Suffix used to name a register using GDB's nomenclature. | |
08af7a40 | 879 | v:const char *:stap_gdb_register_suffix:::0:0::0:pstring (gdbarch->stap_gdb_register_suffix) |
55aa24fb SDJ |
880 | |
881 | # Check if S is a single operand. | |
882 | # | |
883 | # Single operands can be: | |
884 | # \- Literal integers, e.g. \`\$10\' on x86 | |
885 | # \- Register access, e.g. \`\%eax\' on x86 | |
886 | # \- Register indirection, e.g. \`\(\%eax\)\' on x86 | |
887 | # \- Register displacement, e.g. \`4\(\%eax\)\' on x86 | |
888 | # | |
889 | # This function should check for these patterns on the string | |
890 | # and return 1 if some were found, or zero otherwise. Please try to match | |
891 | # as much info as you can from the string, i.e., if you have to match | |
892 | # something like \`\(\%\', do not match just the \`\(\'. | |
893 | M:int:stap_is_single_operand:const char *s:s | |
894 | ||
895 | # Function used to handle a "special case" in the parser. | |
896 | # | |
897 | # A "special case" is considered to be an unknown token, i.e., a token | |
898 | # that the parser does not know how to parse. A good example of special | |
899 | # case would be ARM's register displacement syntax: | |
900 | # | |
901 | # [R0, #4] ;; displacing R0 by 4 | |
902 | # | |
903 | # Since the parser assumes that a register displacement is of the form: | |
904 | # | |
905 | # <number> <indirection_prefix> <register_name> <indirection_suffix> | |
906 | # | |
907 | # it means that it will not be able to recognize and parse this odd syntax. | |
908 | # Therefore, we should add a special case function that will handle this token. | |
909 | # | |
910 | # This function should generate the proper expression form of the expression | |
911 | # using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\' | |
912 | # and so on). It should also return 1 if the parsing was successful, or zero | |
913 | # if the token was not recognized as a special token (in this case, returning | |
914 | # zero means that the special parser is deferring the parsing to the generic | |
915 | # parser), and should advance the buffer pointer (p->arg). | |
916 | M:int:stap_parse_special_token:struct stap_parse_info *p:p | |
917 | ||
918 | ||
50c71eaf PA |
919 | # True if the list of shared libraries is one and only for all |
920 | # processes, as opposed to a list of shared libraries per inferior. | |
2567c7d9 PA |
921 | # This usually means that all processes, although may or may not share |
922 | # an address space, will see the same set of symbols at the same | |
923 | # addresses. | |
50c71eaf | 924 | v:int:has_global_solist:::0:0::0 |
2567c7d9 PA |
925 | |
926 | # On some targets, even though each inferior has its own private | |
927 | # address space, the debug interface takes care of making breakpoints | |
928 | # visible to all address spaces automatically. For such cases, | |
929 | # this property should be set to true. | |
930 | v:int:has_global_breakpoints:::0:0::0 | |
6c95b8df PA |
931 | |
932 | # True if inferiors share an address space (e.g., uClinux). | |
933 | m:int:has_shared_address_space:void:::default_has_shared_address_space::0 | |
7a697b8d SS |
934 | |
935 | # True if a fast tracepoint can be set at an address. | |
936 | m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 | |
75cebea9 | 937 | |
f870a310 TT |
938 | # Return the "auto" target charset. |
939 | f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0 | |
940 | # Return the "auto" target wide charset. | |
941 | f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0 | |
08105857 PA |
942 | |
943 | # If non-empty, this is a file extension that will be opened in place | |
944 | # of the file extension reported by the shared library list. | |
945 | # | |
946 | # This is most useful for toolchains that use a post-linker tool, | |
947 | # where the names of the files run on the target differ in extension | |
948 | # compared to the names of the files GDB should load for debug info. | |
949 | v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension) | |
ab38a727 PA |
950 | |
951 | # If true, the target OS has DOS-based file system semantics. That | |
952 | # is, absolute paths include a drive name, and the backslash is | |
953 | # considered a directory separator. | |
954 | v:int:has_dos_based_file_system:::0:0::0 | |
6710bf39 SS |
955 | |
956 | # Generate bytecodes to collect the return address in a frame. | |
957 | # Since the bytecodes run on the target, possibly with GDB not even | |
958 | # connected, the full unwinding machinery is not available, and | |
959 | # typically this function will issue bytecodes for one or more likely | |
960 | # places that the return address may be found. | |
961 | m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0 | |
962 | ||
3030c96e UW |
963 | # Implement the "info proc" command. |
964 | M:void:info_proc:char *args, enum info_proc_what what:args, what | |
965 | ||
451b7c33 TT |
966 | # Implement the "info proc" command for core files. Noe that there |
967 | # are two "info_proc"-like methods on gdbarch -- one for core files, | |
968 | # one for live targets. | |
969 | M:void:core_info_proc:char *args, enum info_proc_what what:args, what | |
970 | ||
19630284 JB |
971 | # Iterate over all objfiles in the order that makes the most sense |
972 | # for the architecture to make global symbol searches. | |
973 | # | |
974 | # CB is a callback function where OBJFILE is the objfile to be searched, | |
975 | # and CB_DATA a pointer to user-defined data (the same data that is passed | |
976 | # when calling this gdbarch method). The iteration stops if this function | |
977 | # returns nonzero. | |
978 | # | |
979 | # CB_DATA is a pointer to some user-defined data to be passed to | |
980 | # the callback. | |
981 | # | |
982 | # If not NULL, CURRENT_OBJFILE corresponds to the objfile being | |
983 | # inspected when the symbol search was requested. | |
984 | 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 | |
985 | ||
7e35103a JB |
986 | # Ravenscar arch-dependent ops. |
987 | v:struct ravenscar_arch_ops *:ravenscar_ops:::NULL:NULL::0:host_address_to_string (gdbarch->ravenscar_ops) | |
104c1213 | 988 | EOF |
104c1213 JM |
989 | } |
990 | ||
0b8f9e4d AC |
991 | # |
992 | # The .log file | |
993 | # | |
994 | exec > new-gdbarch.log | |
34620563 | 995 | function_list | while do_read |
0b8f9e4d AC |
996 | do |
997 | cat <<EOF | |
2f9b146e | 998 | ${class} ${returntype} ${function} ($formal) |
104c1213 | 999 | EOF |
3d9a5942 AC |
1000 | for r in ${read} |
1001 | do | |
1002 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
1003 | done | |
f0d4cc9e | 1004 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 1005 | then |
66d659b1 | 1006 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
1007 | kill $$ |
1008 | exit 1 | |
1009 | fi | |
72e74a21 | 1010 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
1011 | then |
1012 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
1013 | kill $$ | |
1014 | exit 1 | |
1015 | fi | |
a72293e2 AC |
1016 | if class_is_multiarch_p |
1017 | then | |
1018 | if class_is_predicate_p ; then : | |
1019 | elif test "x${predefault}" = "x" | |
1020 | then | |
2f9b146e | 1021 | echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2 |
a72293e2 AC |
1022 | kill $$ |
1023 | exit 1 | |
1024 | fi | |
1025 | fi | |
3d9a5942 | 1026 | echo "" |
0b8f9e4d AC |
1027 | done |
1028 | ||
1029 | exec 1>&2 | |
1030 | compare_new gdbarch.log | |
1031 | ||
104c1213 JM |
1032 | |
1033 | copyright () | |
1034 | { | |
1035 | cat <<EOF | |
c4bfde41 JK |
1036 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
1037 | /* vi:set ro: */ | |
59233f88 | 1038 | |
104c1213 | 1039 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 1040 | |
28e7fd62 | 1041 | Copyright (C) 1998-2013 Free Software Foundation, Inc. |
104c1213 JM |
1042 | |
1043 | This file is part of GDB. | |
1044 | ||
1045 | This program is free software; you can redistribute it and/or modify | |
1046 | it under the terms of the GNU General Public License as published by | |
50efebf8 | 1047 | the Free Software Foundation; either version 3 of the License, or |
104c1213 | 1048 | (at your option) any later version. |
50efebf8 | 1049 | |
104c1213 JM |
1050 | This program is distributed in the hope that it will be useful, |
1051 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
1052 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
1053 | GNU General Public License for more details. | |
50efebf8 | 1054 | |
104c1213 | 1055 | You should have received a copy of the GNU General Public License |
50efebf8 | 1056 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 | 1057 | |
104c1213 JM |
1058 | /* This file was created with the aid of \`\`gdbarch.sh''. |
1059 | ||
52204a0b | 1060 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
1061 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
1062 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
1063 | being reported. | |
1064 | ||
1065 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 1066 | changes into that script. Conversely, when making sweeping changes |
104c1213 | 1067 | to this file, modifying gdbarch.sh and using its output may prove |
0963b4bd | 1068 | easier. */ |
104c1213 JM |
1069 | |
1070 | EOF | |
1071 | } | |
1072 | ||
1073 | # | |
1074 | # The .h file | |
1075 | # | |
1076 | ||
1077 | exec > new-gdbarch.h | |
1078 | copyright | |
1079 | cat <<EOF | |
1080 | #ifndef GDBARCH_H | |
1081 | #define GDBARCH_H | |
1082 | ||
da3331ec AC |
1083 | struct floatformat; |
1084 | struct ui_file; | |
104c1213 JM |
1085 | struct frame_info; |
1086 | struct value; | |
b6af0555 | 1087 | struct objfile; |
1c772458 | 1088 | struct obj_section; |
a2cf933a | 1089 | struct minimal_symbol; |
049ee0e4 | 1090 | struct regcache; |
b59ff9d5 | 1091 | struct reggroup; |
6ce6d90f | 1092 | struct regset; |
a89aa300 | 1093 | struct disassemble_info; |
e2d0e7eb | 1094 | struct target_ops; |
030f20e1 | 1095 | struct obstack; |
8181d85f | 1096 | struct bp_target_info; |
424163ea | 1097 | struct target_desc; |
237fc4c9 | 1098 | struct displaced_step_closure; |
17ea7499 | 1099 | struct core_regset_section; |
a96d9b2e | 1100 | struct syscall; |
175ff332 | 1101 | struct agent_expr; |
6710bf39 | 1102 | struct axs_value; |
55aa24fb | 1103 | struct stap_parse_info; |
7e35103a | 1104 | struct ravenscar_arch_ops; |
b3ac9c77 | 1105 | struct elf_internal_linux_prpsinfo; |
104c1213 | 1106 | |
6ecd4729 PA |
1107 | /* The architecture associated with the inferior through the |
1108 | connection to the target. | |
1109 | ||
1110 | The architecture vector provides some information that is really a | |
1111 | property of the inferior, accessed through a particular target: | |
1112 | ptrace operations; the layout of certain RSP packets; the solib_ops | |
1113 | vector; etc. To differentiate architecture accesses to | |
1114 | per-inferior/target properties from | |
1115 | per-thread/per-frame/per-objfile properties, accesses to | |
1116 | per-inferior/target properties should be made through this | |
1117 | gdbarch. */ | |
1118 | ||
1119 | /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ | |
f5656ead | 1120 | extern struct gdbarch *target_gdbarch (void); |
6ecd4729 PA |
1121 | |
1122 | /* The initial, default architecture. It uses host values (for want of a better | |
1123 | choice). */ | |
1124 | extern struct gdbarch startup_gdbarch; | |
1125 | ||
19630284 JB |
1126 | |
1127 | /* Callback type for the 'iterate_over_objfiles_in_search_order' | |
1128 | gdbarch method. */ | |
1129 | ||
1130 | typedef int (iterate_over_objfiles_in_search_order_cb_ftype) | |
1131 | (struct objfile *objfile, void *cb_data); | |
104c1213 JM |
1132 | EOF |
1133 | ||
1134 | # function typedef's | |
3d9a5942 AC |
1135 | printf "\n" |
1136 | printf "\n" | |
0963b4bd | 1137 | printf "/* The following are pre-initialized by GDBARCH. */\n" |
34620563 | 1138 | function_list | while do_read |
104c1213 | 1139 | do |
2ada493a AC |
1140 | if class_is_info_p |
1141 | then | |
3d9a5942 AC |
1142 | printf "\n" |
1143 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
0963b4bd | 1144 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" |
2ada493a | 1145 | fi |
104c1213 JM |
1146 | done |
1147 | ||
1148 | # function typedef's | |
3d9a5942 AC |
1149 | printf "\n" |
1150 | printf "\n" | |
0963b4bd | 1151 | printf "/* The following are initialized by the target dependent code. */\n" |
34620563 | 1152 | function_list | while do_read |
104c1213 | 1153 | do |
72e74a21 | 1154 | if [ -n "${comment}" ] |
34620563 AC |
1155 | then |
1156 | echo "${comment}" | sed \ | |
1157 | -e '2 s,#,/*,' \ | |
1158 | -e '3,$ s,#, ,' \ | |
1159 | -e '$ s,$, */,' | |
1160 | fi | |
412d5987 AC |
1161 | |
1162 | if class_is_predicate_p | |
2ada493a | 1163 | then |
412d5987 AC |
1164 | printf "\n" |
1165 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
4a5c6a1d | 1166 | fi |
2ada493a AC |
1167 | if class_is_variable_p |
1168 | then | |
3d9a5942 AC |
1169 | printf "\n" |
1170 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
1171 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
2ada493a AC |
1172 | fi |
1173 | if class_is_function_p | |
1174 | then | |
3d9a5942 | 1175 | printf "\n" |
72e74a21 | 1176 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
1177 | then |
1178 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
1179 | elif class_is_multiarch_p | |
1180 | then | |
1181 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
1182 | else | |
1183 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
1184 | fi | |
72e74a21 | 1185 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1186 | then |
3d9a5942 | 1187 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 1188 | else |
3d9a5942 | 1189 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 1190 | fi |
3d9a5942 | 1191 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
2ada493a | 1192 | fi |
104c1213 JM |
1193 | done |
1194 | ||
1195 | # close it off | |
1196 | cat <<EOF | |
1197 | ||
a96d9b2e SDJ |
1198 | /* Definition for an unknown syscall, used basically in error-cases. */ |
1199 | #define UNKNOWN_SYSCALL (-1) | |
1200 | ||
104c1213 JM |
1201 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
1202 | ||
1203 | ||
1204 | /* Mechanism for co-ordinating the selection of a specific | |
1205 | architecture. | |
1206 | ||
1207 | GDB targets (*-tdep.c) can register an interest in a specific | |
1208 | architecture. Other GDB components can register a need to maintain | |
1209 | per-architecture data. | |
1210 | ||
1211 | The mechanisms below ensures that there is only a loose connection | |
1212 | between the set-architecture command and the various GDB | |
0fa6923a | 1213 | components. Each component can independently register their need |
104c1213 JM |
1214 | to maintain architecture specific data with gdbarch. |
1215 | ||
1216 | Pragmatics: | |
1217 | ||
1218 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
1219 | didn't scale. | |
1220 | ||
1221 | The more traditional mega-struct containing architecture specific | |
1222 | data for all the various GDB components was also considered. Since | |
0fa6923a | 1223 | GDB is built from a variable number of (fairly independent) |
104c1213 | 1224 | components it was determined that the global aproach was not |
0963b4bd | 1225 | applicable. */ |
104c1213 JM |
1226 | |
1227 | ||
1228 | /* Register a new architectural family with GDB. | |
1229 | ||
1230 | Register support for the specified ARCHITECTURE with GDB. When | |
1231 | gdbarch determines that the specified architecture has been | |
1232 | selected, the corresponding INIT function is called. | |
1233 | ||
1234 | -- | |
1235 | ||
1236 | The INIT function takes two parameters: INFO which contains the | |
1237 | information available to gdbarch about the (possibly new) | |
1238 | architecture; ARCHES which is a list of the previously created | |
1239 | \`\`struct gdbarch'' for this architecture. | |
1240 | ||
0f79675b | 1241 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1242 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1243 | |
1244 | The ARCHES parameter is a linked list (sorted most recently used) | |
1245 | of all the previously created architures for this architecture | |
1246 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1247 | values from the previously selected architecture for this | |
59837fe0 | 1248 | architecture family. |
104c1213 JM |
1249 | |
1250 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1251 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1252 | gdbarch'' from the ARCHES list - indicating that the new |
1253 | architecture is just a synonym for an earlier architecture (see | |
1254 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1255 | - that describes the selected architecture (see gdbarch_alloc()). |
1256 | ||
1257 | The DUMP_TDEP function shall print out all target specific values. | |
1258 | Care should be taken to ensure that the function works in both the | |
0963b4bd | 1259 | multi-arch and non- multi-arch cases. */ |
104c1213 JM |
1260 | |
1261 | struct gdbarch_list | |
1262 | { | |
1263 | struct gdbarch *gdbarch; | |
1264 | struct gdbarch_list *next; | |
1265 | }; | |
1266 | ||
1267 | struct gdbarch_info | |
1268 | { | |
0963b4bd | 1269 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1270 | const struct bfd_arch_info *bfd_arch_info; |
1271 | ||
428721aa | 1272 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
104c1213 JM |
1273 | int byte_order; |
1274 | ||
9d4fde75 SS |
1275 | int byte_order_for_code; |
1276 | ||
0963b4bd | 1277 | /* Use default: NULL (ZERO). */ |
104c1213 JM |
1278 | bfd *abfd; |
1279 | ||
0963b4bd | 1280 | /* Use default: NULL (ZERO). */ |
104c1213 | 1281 | struct gdbarch_tdep_info *tdep_info; |
4be87837 DJ |
1282 | |
1283 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1284 | enum gdb_osabi osabi; | |
424163ea DJ |
1285 | |
1286 | /* Use default: NULL (ZERO). */ | |
1287 | const struct target_desc *target_desc; | |
104c1213 JM |
1288 | }; |
1289 | ||
1290 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1291 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1292 | |
4b9b3959 | 1293 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1294 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1295 | ||
4b9b3959 AC |
1296 | extern void gdbarch_register (enum bfd_architecture architecture, |
1297 | gdbarch_init_ftype *, | |
1298 | gdbarch_dump_tdep_ftype *); | |
1299 | ||
104c1213 | 1300 | |
b4a20239 AC |
1301 | /* Return a freshly allocated, NULL terminated, array of the valid |
1302 | architecture names. Since architectures are registered during the | |
1303 | _initialize phase this function only returns useful information | |
0963b4bd | 1304 | once initialization has been completed. */ |
b4a20239 AC |
1305 | |
1306 | extern const char **gdbarch_printable_names (void); | |
1307 | ||
1308 | ||
104c1213 | 1309 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
0963b4bd | 1310 | matches the information provided by INFO. */ |
104c1213 | 1311 | |
424163ea | 1312 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
104c1213 JM |
1313 | |
1314 | ||
1315 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
424163ea | 1316 | basic initialization using values obtained from the INFO and TDEP |
104c1213 | 1317 | parameters. set_gdbarch_*() functions are called to complete the |
0963b4bd | 1318 | initialization of the object. */ |
104c1213 JM |
1319 | |
1320 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1321 | ||
1322 | ||
4b9b3959 AC |
1323 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1324 | It is assumed that the caller freeds the \`\`struct | |
0963b4bd | 1325 | gdbarch_tdep''. */ |
4b9b3959 | 1326 | |
058f20d5 JB |
1327 | extern void gdbarch_free (struct gdbarch *); |
1328 | ||
1329 | ||
aebd7893 AC |
1330 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1331 | obstack. The memory is freed when the corresponding architecture | |
1332 | is also freed. */ | |
1333 | ||
1334 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1335 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1336 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1337 | ||
1338 | ||
0963b4bd | 1339 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1340 | |
b732d07d AC |
1341 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1342 | architecture'' et.al., the existing architecture and BFD's default | |
1343 | architecture. INFO should be initialized to zero and then selected | |
1344 | fields should be updated. | |
104c1213 | 1345 | |
0963b4bd | 1346 | Returns non-zero if the update succeeds. */ |
16f33e29 AC |
1347 | |
1348 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1349 | |
1350 | ||
ebdba546 AC |
1351 | /* Helper function. Find an architecture matching info. |
1352 | ||
1353 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1354 | set, and then finished using gdbarch_info_fill. | |
1355 | ||
1356 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1357 | architecture was found. */ |
ebdba546 AC |
1358 | |
1359 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1360 | ||
1361 | ||
aff68abb | 1362 | /* Helper function. Set the target gdbarch to "gdbarch". */ |
ebdba546 | 1363 | |
aff68abb | 1364 | extern void set_target_gdbarch (struct gdbarch *gdbarch); |
ebdba546 | 1365 | |
104c1213 JM |
1366 | |
1367 | /* Register per-architecture data-pointer. | |
1368 | ||
1369 | Reserve space for a per-architecture data-pointer. An identifier | |
1370 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1371 | be saved in a local static variable. |
104c1213 | 1372 | |
fcc1c85c AC |
1373 | Memory for the per-architecture data shall be allocated using |
1374 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1375 | corresponding architecture object is deleted. | |
104c1213 | 1376 | |
95160752 AC |
1377 | When a previously created architecture is re-selected, the |
1378 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1379 | restored. INIT() is not re-called. |
104c1213 JM |
1380 | |
1381 | Multiple registrarants for any architecture are allowed (and | |
1382 | strongly encouraged). */ | |
1383 | ||
95160752 | 1384 | struct gdbarch_data; |
104c1213 | 1385 | |
030f20e1 AC |
1386 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1387 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1388 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1389 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1390 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1391 | struct gdbarch_data *data, | |
1392 | void *pointer); | |
104c1213 | 1393 | |
451fbdda | 1394 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1395 | |
1396 | ||
0fa6923a | 1397 | /* Set the dynamic target-system-dependent parameters (architecture, |
0963b4bd | 1398 | byte-order, ...) using information found in the BFD. */ |
104c1213 JM |
1399 | |
1400 | extern void set_gdbarch_from_file (bfd *); | |
1401 | ||
1402 | ||
e514a9d6 JM |
1403 | /* Initialize the current architecture to the "first" one we find on |
1404 | our list. */ | |
1405 | ||
1406 | extern void initialize_current_architecture (void); | |
1407 | ||
104c1213 | 1408 | /* gdbarch trace variable */ |
ccce17b0 | 1409 | extern unsigned int gdbarch_debug; |
104c1213 | 1410 | |
4b9b3959 | 1411 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1412 | |
1413 | #endif | |
1414 | EOF | |
1415 | exec 1>&2 | |
1416 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1417 | compare_new gdbarch.h |
104c1213 JM |
1418 | |
1419 | ||
1420 | # | |
1421 | # C file | |
1422 | # | |
1423 | ||
1424 | exec > new-gdbarch.c | |
1425 | copyright | |
1426 | cat <<EOF | |
1427 | ||
1428 | #include "defs.h" | |
7355ddba | 1429 | #include "arch-utils.h" |
104c1213 | 1430 | |
104c1213 | 1431 | #include "gdbcmd.h" |
faaf634c | 1432 | #include "inferior.h" |
104c1213 JM |
1433 | #include "symcat.h" |
1434 | ||
f0d4cc9e | 1435 | #include "floatformat.h" |
104c1213 | 1436 | |
95160752 | 1437 | #include "gdb_assert.h" |
b66d6d2e | 1438 | #include "gdb_string.h" |
b59ff9d5 | 1439 | #include "reggroups.h" |
4be87837 | 1440 | #include "osabi.h" |
aebd7893 | 1441 | #include "gdb_obstack.h" |
383f836e | 1442 | #include "observer.h" |
a3ecef73 | 1443 | #include "regcache.h" |
19630284 | 1444 | #include "objfiles.h" |
95160752 | 1445 | |
104c1213 JM |
1446 | /* Static function declarations */ |
1447 | ||
b3cc3077 | 1448 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1449 | |
104c1213 JM |
1450 | /* Non-zero if we want to trace architecture code. */ |
1451 | ||
1452 | #ifndef GDBARCH_DEBUG | |
1453 | #define GDBARCH_DEBUG 0 | |
1454 | #endif | |
ccce17b0 | 1455 | unsigned int gdbarch_debug = GDBARCH_DEBUG; |
920d2a44 AC |
1456 | static void |
1457 | show_gdbarch_debug (struct ui_file *file, int from_tty, | |
1458 | struct cmd_list_element *c, const char *value) | |
1459 | { | |
1460 | fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); | |
1461 | } | |
104c1213 | 1462 | |
456fcf94 | 1463 | static const char * |
8da61cc4 | 1464 | pformat (const struct floatformat **format) |
456fcf94 AC |
1465 | { |
1466 | if (format == NULL) | |
1467 | return "(null)"; | |
1468 | else | |
8da61cc4 DJ |
1469 | /* Just print out one of them - this is only for diagnostics. */ |
1470 | return format[0]->name; | |
456fcf94 AC |
1471 | } |
1472 | ||
08105857 PA |
1473 | static const char * |
1474 | pstring (const char *string) | |
1475 | { | |
1476 | if (string == NULL) | |
1477 | return "(null)"; | |
1478 | return string; | |
1479 | } | |
1480 | ||
104c1213 JM |
1481 | EOF |
1482 | ||
1483 | # gdbarch open the gdbarch object | |
3d9a5942 | 1484 | printf "\n" |
0963b4bd | 1485 | printf "/* Maintain the struct gdbarch object. */\n" |
3d9a5942 AC |
1486 | printf "\n" |
1487 | printf "struct gdbarch\n" | |
1488 | printf "{\n" | |
76860b5f AC |
1489 | printf " /* Has this architecture been fully initialized? */\n" |
1490 | printf " int initialized_p;\n" | |
aebd7893 AC |
1491 | printf "\n" |
1492 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1493 | printf " struct obstack *obstack;\n" | |
1494 | printf "\n" | |
0963b4bd | 1495 | printf " /* basic architectural information. */\n" |
34620563 | 1496 | function_list | while do_read |
104c1213 | 1497 | do |
2ada493a AC |
1498 | if class_is_info_p |
1499 | then | |
3d9a5942 | 1500 | printf " ${returntype} ${function};\n" |
2ada493a | 1501 | fi |
104c1213 | 1502 | done |
3d9a5942 | 1503 | printf "\n" |
0963b4bd | 1504 | printf " /* target specific vector. */\n" |
3d9a5942 AC |
1505 | printf " struct gdbarch_tdep *tdep;\n" |
1506 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1507 | printf "\n" | |
0963b4bd | 1508 | printf " /* per-architecture data-pointers. */\n" |
95160752 | 1509 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1510 | printf " void **data;\n" |
1511 | printf "\n" | |
104c1213 JM |
1512 | cat <<EOF |
1513 | /* Multi-arch values. | |
1514 | ||
1515 | When extending this structure you must: | |
1516 | ||
1517 | Add the field below. | |
1518 | ||
1519 | Declare set/get functions and define the corresponding | |
1520 | macro in gdbarch.h. | |
1521 | ||
1522 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1523 | initialize the new field. | |
1524 | ||
1525 | verify_gdbarch(): Confirm that the target updated the field | |
1526 | correctly. | |
1527 | ||
7e73cedf | 1528 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1529 | field is dumped out |
1530 | ||
c0e8c252 | 1531 | \`\`startup_gdbarch()'': Append an initial value to the static |
104c1213 JM |
1532 | variable (base values on the host's c-type system). |
1533 | ||
1534 | get_gdbarch(): Implement the set/get functions (probably using | |
1535 | the macro's as shortcuts). | |
1536 | ||
1537 | */ | |
1538 | ||
1539 | EOF | |
34620563 | 1540 | function_list | while do_read |
104c1213 | 1541 | do |
2ada493a AC |
1542 | if class_is_variable_p |
1543 | then | |
3d9a5942 | 1544 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1545 | elif class_is_function_p |
1546 | then | |
2f9b146e | 1547 | printf " gdbarch_${function}_ftype *${function};\n" |
2ada493a | 1548 | fi |
104c1213 | 1549 | done |
3d9a5942 | 1550 | printf "};\n" |
104c1213 JM |
1551 | |
1552 | # A pre-initialized vector | |
3d9a5942 AC |
1553 | printf "\n" |
1554 | printf "\n" | |
104c1213 JM |
1555 | cat <<EOF |
1556 | /* The default architecture uses host values (for want of a better | |
0963b4bd | 1557 | choice). */ |
104c1213 | 1558 | EOF |
3d9a5942 AC |
1559 | printf "\n" |
1560 | printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n" | |
1561 | printf "\n" | |
1562 | printf "struct gdbarch startup_gdbarch =\n" | |
1563 | printf "{\n" | |
76860b5f | 1564 | printf " 1, /* Always initialized. */\n" |
aebd7893 | 1565 | printf " NULL, /* The obstack. */\n" |
0963b4bd | 1566 | printf " /* basic architecture information. */\n" |
4b9b3959 | 1567 | function_list | while do_read |
104c1213 | 1568 | do |
2ada493a AC |
1569 | if class_is_info_p |
1570 | then | |
ec5cbaec | 1571 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1572 | fi |
104c1213 JM |
1573 | done |
1574 | cat <<EOF | |
0963b4bd | 1575 | /* target specific vector and its dump routine. */ |
4b9b3959 | 1576 | NULL, NULL, |
c66fb220 TT |
1577 | /*per-architecture data-pointers. */ |
1578 | 0, NULL, | |
104c1213 JM |
1579 | /* Multi-arch values */ |
1580 | EOF | |
34620563 | 1581 | function_list | while do_read |
104c1213 | 1582 | do |
2ada493a AC |
1583 | if class_is_function_p || class_is_variable_p |
1584 | then | |
ec5cbaec | 1585 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1586 | fi |
104c1213 JM |
1587 | done |
1588 | cat <<EOF | |
c0e8c252 | 1589 | /* startup_gdbarch() */ |
104c1213 | 1590 | }; |
4b9b3959 | 1591 | |
104c1213 JM |
1592 | EOF |
1593 | ||
1594 | # Create a new gdbarch struct | |
104c1213 | 1595 | cat <<EOF |
7de2341d | 1596 | |
66b43ecb | 1597 | /* Create a new \`\`struct gdbarch'' based on information provided by |
0963b4bd | 1598 | \`\`struct gdbarch_info''. */ |
104c1213 | 1599 | EOF |
3d9a5942 | 1600 | printf "\n" |
104c1213 JM |
1601 | cat <<EOF |
1602 | struct gdbarch * | |
1603 | gdbarch_alloc (const struct gdbarch_info *info, | |
1604 | struct gdbarch_tdep *tdep) | |
1605 | { | |
be7811ad | 1606 | struct gdbarch *gdbarch; |
aebd7893 AC |
1607 | |
1608 | /* Create an obstack for allocating all the per-architecture memory, | |
1609 | then use that to allocate the architecture vector. */ | |
1610 | struct obstack *obstack = XMALLOC (struct obstack); | |
1611 | obstack_init (obstack); | |
be7811ad MD |
1612 | gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
1613 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1614 | gdbarch->obstack = obstack; | |
85de9627 | 1615 | |
be7811ad | 1616 | alloc_gdbarch_data (gdbarch); |
85de9627 | 1617 | |
be7811ad | 1618 | gdbarch->tdep = tdep; |
104c1213 | 1619 | EOF |
3d9a5942 | 1620 | printf "\n" |
34620563 | 1621 | function_list | while do_read |
104c1213 | 1622 | do |
2ada493a AC |
1623 | if class_is_info_p |
1624 | then | |
be7811ad | 1625 | printf " gdbarch->${function} = info->${function};\n" |
2ada493a | 1626 | fi |
104c1213 | 1627 | done |
3d9a5942 | 1628 | printf "\n" |
0963b4bd | 1629 | printf " /* Force the explicit initialization of these. */\n" |
34620563 | 1630 | function_list | while do_read |
104c1213 | 1631 | do |
2ada493a AC |
1632 | if class_is_function_p || class_is_variable_p |
1633 | then | |
72e74a21 | 1634 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1635 | then |
be7811ad | 1636 | printf " gdbarch->${function} = ${predefault};\n" |
104c1213 | 1637 | fi |
2ada493a | 1638 | fi |
104c1213 JM |
1639 | done |
1640 | cat <<EOF | |
1641 | /* gdbarch_alloc() */ | |
1642 | ||
be7811ad | 1643 | return gdbarch; |
104c1213 JM |
1644 | } |
1645 | EOF | |
1646 | ||
058f20d5 | 1647 | # Free a gdbarch struct. |
3d9a5942 AC |
1648 | printf "\n" |
1649 | printf "\n" | |
058f20d5 | 1650 | cat <<EOF |
aebd7893 AC |
1651 | /* Allocate extra space using the per-architecture obstack. */ |
1652 | ||
1653 | void * | |
1654 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1655 | { | |
1656 | void *data = obstack_alloc (arch->obstack, size); | |
05c547f6 | 1657 | |
aebd7893 AC |
1658 | memset (data, 0, size); |
1659 | return data; | |
1660 | } | |
1661 | ||
1662 | ||
058f20d5 JB |
1663 | /* Free a gdbarch struct. This should never happen in normal |
1664 | operation --- once you've created a gdbarch, you keep it around. | |
1665 | However, if an architecture's init function encounters an error | |
1666 | building the structure, it may need to clean up a partially | |
1667 | constructed gdbarch. */ | |
4b9b3959 | 1668 | |
058f20d5 JB |
1669 | void |
1670 | gdbarch_free (struct gdbarch *arch) | |
1671 | { | |
aebd7893 | 1672 | struct obstack *obstack; |
05c547f6 | 1673 | |
95160752 | 1674 | gdb_assert (arch != NULL); |
aebd7893 AC |
1675 | gdb_assert (!arch->initialized_p); |
1676 | obstack = arch->obstack; | |
1677 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1678 | xfree (obstack); | |
058f20d5 JB |
1679 | } |
1680 | EOF | |
1681 | ||
104c1213 | 1682 | # verify a new architecture |
104c1213 | 1683 | cat <<EOF |
db446970 AC |
1684 | |
1685 | ||
1686 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1687 | ||
104c1213 | 1688 | static void |
be7811ad | 1689 | verify_gdbarch (struct gdbarch *gdbarch) |
104c1213 | 1690 | { |
f16a1923 AC |
1691 | struct ui_file *log; |
1692 | struct cleanup *cleanups; | |
759ef836 | 1693 | long length; |
f16a1923 | 1694 | char *buf; |
05c547f6 | 1695 | |
f16a1923 AC |
1696 | log = mem_fileopen (); |
1697 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1698 | /* fundamental */ |
be7811ad | 1699 | if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1700 | fprintf_unfiltered (log, "\n\tbyte-order"); |
be7811ad | 1701 | if (gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1702 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
0963b4bd | 1703 | /* Check those that need to be defined for the given multi-arch level. */ |
104c1213 | 1704 | EOF |
34620563 | 1705 | function_list | while do_read |
104c1213 | 1706 | do |
2ada493a AC |
1707 | if class_is_function_p || class_is_variable_p |
1708 | then | |
72e74a21 | 1709 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1710 | then |
3d9a5942 | 1711 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1712 | elif class_is_predicate_p |
1713 | then | |
0963b4bd | 1714 | printf " /* Skip verify of ${function}, has predicate. */\n" |
f0d4cc9e | 1715 | # FIXME: See do_read for potential simplification |
72e74a21 | 1716 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1717 | then |
3d9a5942 | 1718 | printf " if (${invalid_p})\n" |
be7811ad | 1719 | printf " gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1720 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1721 | then |
be7811ad MD |
1722 | printf " if (gdbarch->${function} == ${predefault})\n" |
1723 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1724 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1725 | then |
be7811ad MD |
1726 | printf " if (gdbarch->${function} == 0)\n" |
1727 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1728 | elif [ -n "${invalid_p}" ] |
104c1213 | 1729 | then |
4d60522e | 1730 | printf " if (${invalid_p})\n" |
f16a1923 | 1731 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1732 | elif [ -n "${predefault}" ] |
104c1213 | 1733 | then |
be7811ad | 1734 | printf " if (gdbarch->${function} == ${predefault})\n" |
f16a1923 | 1735 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1736 | fi |
2ada493a | 1737 | fi |
104c1213 JM |
1738 | done |
1739 | cat <<EOF | |
759ef836 | 1740 | buf = ui_file_xstrdup (log, &length); |
f16a1923 | 1741 | make_cleanup (xfree, buf); |
759ef836 | 1742 | if (length > 0) |
f16a1923 | 1743 | internal_error (__FILE__, __LINE__, |
85c07804 | 1744 | _("verify_gdbarch: the following are invalid ...%s"), |
f16a1923 AC |
1745 | buf); |
1746 | do_cleanups (cleanups); | |
104c1213 JM |
1747 | } |
1748 | EOF | |
1749 | ||
1750 | # dump the structure | |
3d9a5942 AC |
1751 | printf "\n" |
1752 | printf "\n" | |
104c1213 | 1753 | cat <<EOF |
0963b4bd | 1754 | /* Print out the details of the current architecture. */ |
4b9b3959 | 1755 | |
104c1213 | 1756 | void |
be7811ad | 1757 | gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
104c1213 | 1758 | { |
b78960be | 1759 | const char *gdb_nm_file = "<not-defined>"; |
05c547f6 | 1760 | |
b78960be AC |
1761 | #if defined (GDB_NM_FILE) |
1762 | gdb_nm_file = GDB_NM_FILE; | |
1763 | #endif | |
1764 | fprintf_unfiltered (file, | |
1765 | "gdbarch_dump: GDB_NM_FILE = %s\\n", | |
1766 | gdb_nm_file); | |
104c1213 | 1767 | EOF |
97030eea | 1768 | function_list | sort -t: -k 3 | while do_read |
104c1213 | 1769 | do |
1e9f55d0 AC |
1770 | # First the predicate |
1771 | if class_is_predicate_p | |
1772 | then | |
7996bcec | 1773 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1774 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
be7811ad | 1775 | printf " gdbarch_${function}_p (gdbarch));\n" |
08e45a40 | 1776 | fi |
48f7351b | 1777 | # Print the corresponding value. |
283354d8 | 1778 | if class_is_function_p |
4b9b3959 | 1779 | then |
7996bcec | 1780 | printf " fprintf_unfiltered (file,\n" |
30737ed9 JB |
1781 | printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
1782 | printf " host_address_to_string (gdbarch->${function}));\n" | |
4b9b3959 | 1783 | else |
48f7351b | 1784 | # It is a variable |
2f9b146e AC |
1785 | case "${print}:${returntype}" in |
1786 | :CORE_ADDR ) | |
0b1553bc UW |
1787 | fmt="%s" |
1788 | print="core_addr_to_string_nz (gdbarch->${function})" | |
48f7351b | 1789 | ;; |
2f9b146e | 1790 | :* ) |
48f7351b | 1791 | fmt="%s" |
623d3eb1 | 1792 | print="plongest (gdbarch->${function})" |
48f7351b AC |
1793 | ;; |
1794 | * ) | |
2f9b146e | 1795 | fmt="%s" |
48f7351b AC |
1796 | ;; |
1797 | esac | |
3d9a5942 | 1798 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1799 | printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
3d9a5942 | 1800 | printf " ${print});\n" |
2ada493a | 1801 | fi |
104c1213 | 1802 | done |
381323f4 | 1803 | cat <<EOF |
be7811ad MD |
1804 | if (gdbarch->dump_tdep != NULL) |
1805 | gdbarch->dump_tdep (gdbarch, file); | |
381323f4 AC |
1806 | } |
1807 | EOF | |
104c1213 JM |
1808 | |
1809 | ||
1810 | # GET/SET | |
3d9a5942 | 1811 | printf "\n" |
104c1213 JM |
1812 | cat <<EOF |
1813 | struct gdbarch_tdep * | |
1814 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1815 | { | |
1816 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1817 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1818 | return gdbarch->tdep; |
1819 | } | |
1820 | EOF | |
3d9a5942 | 1821 | printf "\n" |
34620563 | 1822 | function_list | while do_read |
104c1213 | 1823 | do |
2ada493a AC |
1824 | if class_is_predicate_p |
1825 | then | |
3d9a5942 AC |
1826 | printf "\n" |
1827 | printf "int\n" | |
1828 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1829 | printf "{\n" | |
8de9bdc4 | 1830 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1831 | printf " return ${predicate};\n" |
3d9a5942 | 1832 | printf "}\n" |
2ada493a AC |
1833 | fi |
1834 | if class_is_function_p | |
1835 | then | |
3d9a5942 AC |
1836 | printf "\n" |
1837 | printf "${returntype}\n" | |
72e74a21 | 1838 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1839 | then |
3d9a5942 | 1840 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1841 | else |
3d9a5942 | 1842 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1843 | fi |
3d9a5942 | 1844 | printf "{\n" |
8de9bdc4 | 1845 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1846 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1847 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1848 | then |
1849 | # Allow a call to a function with a predicate. | |
956ac328 | 1850 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1851 | fi |
3d9a5942 AC |
1852 | printf " if (gdbarch_debug >= 2)\n" |
1853 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1854 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1855 | then |
1856 | if class_is_multiarch_p | |
1857 | then | |
1858 | params="gdbarch" | |
1859 | else | |
1860 | params="" | |
1861 | fi | |
1862 | else | |
1863 | if class_is_multiarch_p | |
1864 | then | |
1865 | params="gdbarch, ${actual}" | |
1866 | else | |
1867 | params="${actual}" | |
1868 | fi | |
1869 | fi | |
72e74a21 | 1870 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1871 | then |
4a5c6a1d | 1872 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1873 | else |
4a5c6a1d | 1874 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1875 | fi |
3d9a5942 AC |
1876 | printf "}\n" |
1877 | printf "\n" | |
1878 | printf "void\n" | |
1879 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1880 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1881 | printf "{\n" | |
1882 | printf " gdbarch->${function} = ${function};\n" | |
1883 | printf "}\n" | |
2ada493a AC |
1884 | elif class_is_variable_p |
1885 | then | |
3d9a5942 AC |
1886 | printf "\n" |
1887 | printf "${returntype}\n" | |
1888 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1889 | printf "{\n" | |
8de9bdc4 | 1890 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1891 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1892 | then |
3d9a5942 | 1893 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1894 | elif [ -n "${invalid_p}" ] |
104c1213 | 1895 | then |
956ac328 AC |
1896 | printf " /* Check variable is valid. */\n" |
1897 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1898 | elif [ -n "${predefault}" ] |
104c1213 | 1899 | then |
956ac328 AC |
1900 | printf " /* Check variable changed from pre-default. */\n" |
1901 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1902 | fi |
3d9a5942 AC |
1903 | printf " if (gdbarch_debug >= 2)\n" |
1904 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1905 | printf " return gdbarch->${function};\n" | |
1906 | printf "}\n" | |
1907 | printf "\n" | |
1908 | printf "void\n" | |
1909 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1910 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
1911 | printf "{\n" | |
1912 | printf " gdbarch->${function} = ${function};\n" | |
1913 | printf "}\n" | |
2ada493a AC |
1914 | elif class_is_info_p |
1915 | then | |
3d9a5942 AC |
1916 | printf "\n" |
1917 | printf "${returntype}\n" | |
1918 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1919 | printf "{\n" | |
8de9bdc4 | 1920 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
1921 | printf " if (gdbarch_debug >= 2)\n" |
1922 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1923 | printf " return gdbarch->${function};\n" | |
1924 | printf "}\n" | |
2ada493a | 1925 | fi |
104c1213 JM |
1926 | done |
1927 | ||
1928 | # All the trailing guff | |
1929 | cat <<EOF | |
1930 | ||
1931 | ||
f44c642f | 1932 | /* Keep a registry of per-architecture data-pointers required by GDB |
0963b4bd | 1933 | modules. */ |
104c1213 JM |
1934 | |
1935 | struct gdbarch_data | |
1936 | { | |
95160752 | 1937 | unsigned index; |
76860b5f | 1938 | int init_p; |
030f20e1 AC |
1939 | gdbarch_data_pre_init_ftype *pre_init; |
1940 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
1941 | }; |
1942 | ||
1943 | struct gdbarch_data_registration | |
1944 | { | |
104c1213 JM |
1945 | struct gdbarch_data *data; |
1946 | struct gdbarch_data_registration *next; | |
1947 | }; | |
1948 | ||
f44c642f | 1949 | struct gdbarch_data_registry |
104c1213 | 1950 | { |
95160752 | 1951 | unsigned nr; |
104c1213 JM |
1952 | struct gdbarch_data_registration *registrations; |
1953 | }; | |
1954 | ||
f44c642f | 1955 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
1956 | { |
1957 | 0, NULL, | |
1958 | }; | |
1959 | ||
030f20e1 AC |
1960 | static struct gdbarch_data * |
1961 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
1962 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
1963 | { |
1964 | struct gdbarch_data_registration **curr; | |
05c547f6 MS |
1965 | |
1966 | /* Append the new registration. */ | |
f44c642f | 1967 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
1968 | (*curr) != NULL; |
1969 | curr = &(*curr)->next); | |
1970 | (*curr) = XMALLOC (struct gdbarch_data_registration); | |
1971 | (*curr)->next = NULL; | |
104c1213 | 1972 | (*curr)->data = XMALLOC (struct gdbarch_data); |
f44c642f | 1973 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
1974 | (*curr)->data->pre_init = pre_init; |
1975 | (*curr)->data->post_init = post_init; | |
76860b5f | 1976 | (*curr)->data->init_p = 1; |
104c1213 JM |
1977 | return (*curr)->data; |
1978 | } | |
1979 | ||
030f20e1 AC |
1980 | struct gdbarch_data * |
1981 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
1982 | { | |
1983 | return gdbarch_data_register (pre_init, NULL); | |
1984 | } | |
1985 | ||
1986 | struct gdbarch_data * | |
1987 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
1988 | { | |
1989 | return gdbarch_data_register (NULL, post_init); | |
1990 | } | |
104c1213 | 1991 | |
0963b4bd | 1992 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
1993 | |
1994 | static void | |
b3cc3077 | 1995 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 1996 | { |
b3cc3077 JB |
1997 | gdb_assert (gdbarch->data == NULL); |
1998 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 1999 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 2000 | } |
3c875b6f | 2001 | |
76860b5f | 2002 | /* Initialize the current value of the specified per-architecture |
0963b4bd | 2003 | data-pointer. */ |
b3cc3077 | 2004 | |
95160752 | 2005 | void |
030f20e1 AC |
2006 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
2007 | struct gdbarch_data *data, | |
2008 | void *pointer) | |
95160752 AC |
2009 | { |
2010 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 2011 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 2012 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
2013 | gdbarch->data[data->index] = pointer; |
2014 | } | |
2015 | ||
104c1213 | 2016 | /* Return the current value of the specified per-architecture |
0963b4bd | 2017 | data-pointer. */ |
104c1213 JM |
2018 | |
2019 | void * | |
451fbdda | 2020 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 2021 | { |
451fbdda | 2022 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 2023 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 2024 | { |
030f20e1 AC |
2025 | /* The data-pointer isn't initialized, call init() to get a |
2026 | value. */ | |
2027 | if (data->pre_init != NULL) | |
2028 | /* Mid architecture creation: pass just the obstack, and not | |
2029 | the entire architecture, as that way it isn't possible for | |
2030 | pre-init code to refer to undefined architecture | |
2031 | fields. */ | |
2032 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
2033 | else if (gdbarch->initialized_p | |
2034 | && data->post_init != NULL) | |
2035 | /* Post architecture creation: pass the entire architecture | |
2036 | (as all fields are valid), but be careful to also detect | |
2037 | recursive references. */ | |
2038 | { | |
2039 | gdb_assert (data->init_p); | |
2040 | data->init_p = 0; | |
2041 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
2042 | data->init_p = 1; | |
2043 | } | |
2044 | else | |
2045 | /* The architecture initialization hasn't completed - punt - | |
2046 | hope that the caller knows what they are doing. Once | |
2047 | deprecated_set_gdbarch_data has been initialized, this can be | |
2048 | changed to an internal error. */ | |
2049 | return NULL; | |
76860b5f AC |
2050 | gdb_assert (gdbarch->data[data->index] != NULL); |
2051 | } | |
451fbdda | 2052 | return gdbarch->data[data->index]; |
104c1213 JM |
2053 | } |
2054 | ||
2055 | ||
0963b4bd | 2056 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 2057 | |
4b9b3959 | 2058 | struct gdbarch_registration |
104c1213 JM |
2059 | { |
2060 | enum bfd_architecture bfd_architecture; | |
2061 | gdbarch_init_ftype *init; | |
4b9b3959 | 2062 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 2063 | struct gdbarch_list *arches; |
4b9b3959 | 2064 | struct gdbarch_registration *next; |
104c1213 JM |
2065 | }; |
2066 | ||
f44c642f | 2067 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 2068 | |
b4a20239 AC |
2069 | static void |
2070 | append_name (const char ***buf, int *nr, const char *name) | |
2071 | { | |
2072 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
2073 | (*buf)[*nr] = name; | |
2074 | *nr += 1; | |
2075 | } | |
2076 | ||
2077 | const char ** | |
2078 | gdbarch_printable_names (void) | |
2079 | { | |
7996bcec | 2080 | /* Accumulate a list of names based on the registed list of |
0963b4bd | 2081 | architectures. */ |
7996bcec AC |
2082 | int nr_arches = 0; |
2083 | const char **arches = NULL; | |
2084 | struct gdbarch_registration *rego; | |
05c547f6 | 2085 | |
7996bcec AC |
2086 | for (rego = gdbarch_registry; |
2087 | rego != NULL; | |
2088 | rego = rego->next) | |
b4a20239 | 2089 | { |
7996bcec AC |
2090 | const struct bfd_arch_info *ap; |
2091 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2092 | if (ap == NULL) | |
2093 | internal_error (__FILE__, __LINE__, | |
85c07804 | 2094 | _("gdbarch_architecture_names: multi-arch unknown")); |
7996bcec AC |
2095 | do |
2096 | { | |
2097 | append_name (&arches, &nr_arches, ap->printable_name); | |
2098 | ap = ap->next; | |
2099 | } | |
2100 | while (ap != NULL); | |
b4a20239 | 2101 | } |
7996bcec AC |
2102 | append_name (&arches, &nr_arches, NULL); |
2103 | return arches; | |
b4a20239 AC |
2104 | } |
2105 | ||
2106 | ||
104c1213 | 2107 | void |
4b9b3959 AC |
2108 | gdbarch_register (enum bfd_architecture bfd_architecture, |
2109 | gdbarch_init_ftype *init, | |
2110 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 2111 | { |
4b9b3959 | 2112 | struct gdbarch_registration **curr; |
104c1213 | 2113 | const struct bfd_arch_info *bfd_arch_info; |
05c547f6 | 2114 | |
ec3d358c | 2115 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
2116 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
2117 | if (bfd_arch_info == NULL) | |
2118 | { | |
8e65ff28 | 2119 | internal_error (__FILE__, __LINE__, |
0963b4bd MS |
2120 | _("gdbarch: Attempt to register " |
2121 | "unknown architecture (%d)"), | |
8e65ff28 | 2122 | bfd_architecture); |
104c1213 | 2123 | } |
0963b4bd | 2124 | /* Check that we haven't seen this architecture before. */ |
f44c642f | 2125 | for (curr = &gdbarch_registry; |
104c1213 JM |
2126 | (*curr) != NULL; |
2127 | curr = &(*curr)->next) | |
2128 | { | |
2129 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 | 2130 | internal_error (__FILE__, __LINE__, |
64b9b334 | 2131 | _("gdbarch: Duplicate registration " |
0963b4bd | 2132 | "of architecture (%s)"), |
8e65ff28 | 2133 | bfd_arch_info->printable_name); |
104c1213 JM |
2134 | } |
2135 | /* log it */ | |
2136 | if (gdbarch_debug) | |
30737ed9 | 2137 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
104c1213 | 2138 | bfd_arch_info->printable_name, |
30737ed9 | 2139 | host_address_to_string (init)); |
104c1213 | 2140 | /* Append it */ |
4b9b3959 | 2141 | (*curr) = XMALLOC (struct gdbarch_registration); |
104c1213 JM |
2142 | (*curr)->bfd_architecture = bfd_architecture; |
2143 | (*curr)->init = init; | |
4b9b3959 | 2144 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
2145 | (*curr)->arches = NULL; |
2146 | (*curr)->next = NULL; | |
4b9b3959 AC |
2147 | } |
2148 | ||
2149 | void | |
2150 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
2151 | gdbarch_init_ftype *init) | |
2152 | { | |
2153 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 2154 | } |
104c1213 JM |
2155 | |
2156 | ||
424163ea | 2157 | /* Look for an architecture using gdbarch_info. */ |
104c1213 JM |
2158 | |
2159 | struct gdbarch_list * | |
2160 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
2161 | const struct gdbarch_info *info) | |
2162 | { | |
2163 | for (; arches != NULL; arches = arches->next) | |
2164 | { | |
2165 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
2166 | continue; | |
2167 | if (info->byte_order != arches->gdbarch->byte_order) | |
2168 | continue; | |
4be87837 DJ |
2169 | if (info->osabi != arches->gdbarch->osabi) |
2170 | continue; | |
424163ea DJ |
2171 | if (info->target_desc != arches->gdbarch->target_desc) |
2172 | continue; | |
104c1213 JM |
2173 | return arches; |
2174 | } | |
2175 | return NULL; | |
2176 | } | |
2177 | ||
2178 | ||
ebdba546 | 2179 | /* Find an architecture that matches the specified INFO. Create a new |
59837fe0 | 2180 | architecture if needed. Return that new architecture. */ |
104c1213 | 2181 | |
59837fe0 UW |
2182 | struct gdbarch * |
2183 | gdbarch_find_by_info (struct gdbarch_info info) | |
104c1213 JM |
2184 | { |
2185 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 2186 | struct gdbarch_registration *rego; |
104c1213 | 2187 | |
b732d07d | 2188 | /* Fill in missing parts of the INFO struct using a number of |
7a107747 DJ |
2189 | sources: "set ..."; INFOabfd supplied; and the global |
2190 | defaults. */ | |
2191 | gdbarch_info_fill (&info); | |
4be87837 | 2192 | |
0963b4bd | 2193 | /* Must have found some sort of architecture. */ |
b732d07d | 2194 | gdb_assert (info.bfd_arch_info != NULL); |
104c1213 JM |
2195 | |
2196 | if (gdbarch_debug) | |
2197 | { | |
2198 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2199 | "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
2200 | (info.bfd_arch_info != NULL |
2201 | ? info.bfd_arch_info->printable_name | |
2202 | : "(null)")); | |
2203 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 2204 | "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
104c1213 | 2205 | info.byte_order, |
d7449b42 | 2206 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 2207 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 2208 | : "default")); |
4be87837 | 2209 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2210 | "gdbarch_find_by_info: info.osabi %d (%s)\n", |
4be87837 | 2211 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 2212 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2213 | "gdbarch_find_by_info: info.abfd %s\n", |
30737ed9 | 2214 | host_address_to_string (info.abfd)); |
104c1213 | 2215 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 2216 | "gdbarch_find_by_info: info.tdep_info %s\n", |
30737ed9 | 2217 | host_address_to_string (info.tdep_info)); |
104c1213 JM |
2218 | } |
2219 | ||
ebdba546 | 2220 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
2221 | for (rego = gdbarch_registry; |
2222 | rego != NULL; | |
2223 | rego = rego->next) | |
2224 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
2225 | break; | |
2226 | if (rego == NULL) | |
2227 | { | |
2228 | if (gdbarch_debug) | |
59837fe0 | 2229 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 | 2230 | "No matching architecture\n"); |
b732d07d AC |
2231 | return 0; |
2232 | } | |
2233 | ||
ebdba546 | 2234 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
2235 | new_gdbarch = rego->init (info, rego->arches); |
2236 | ||
ebdba546 AC |
2237 | /* Did the tdep code like it? No. Reject the change and revert to |
2238 | the old architecture. */ | |
104c1213 JM |
2239 | if (new_gdbarch == NULL) |
2240 | { | |
2241 | if (gdbarch_debug) | |
59837fe0 | 2242 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 AC |
2243 | "Target rejected architecture\n"); |
2244 | return NULL; | |
104c1213 JM |
2245 | } |
2246 | ||
ebdba546 AC |
2247 | /* Is this a pre-existing architecture (as determined by already |
2248 | being initialized)? Move it to the front of the architecture | |
2249 | list (keeping the list sorted Most Recently Used). */ | |
2250 | if (new_gdbarch->initialized_p) | |
104c1213 | 2251 | { |
ebdba546 AC |
2252 | struct gdbarch_list **list; |
2253 | struct gdbarch_list *this; | |
104c1213 | 2254 | if (gdbarch_debug) |
59837fe0 | 2255 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2256 | "Previous architecture %s (%s) selected\n", |
2257 | host_address_to_string (new_gdbarch), | |
104c1213 | 2258 | new_gdbarch->bfd_arch_info->printable_name); |
ebdba546 AC |
2259 | /* Find the existing arch in the list. */ |
2260 | for (list = ®o->arches; | |
2261 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2262 | list = &(*list)->next); | |
2263 | /* It had better be in the list of architectures. */ | |
2264 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2265 | /* Unlink THIS. */ | |
2266 | this = (*list); | |
2267 | (*list) = this->next; | |
2268 | /* Insert THIS at the front. */ | |
2269 | this->next = rego->arches; | |
2270 | rego->arches = this; | |
2271 | /* Return it. */ | |
2272 | return new_gdbarch; | |
104c1213 JM |
2273 | } |
2274 | ||
ebdba546 AC |
2275 | /* It's a new architecture. */ |
2276 | if (gdbarch_debug) | |
59837fe0 | 2277 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2278 | "New architecture %s (%s) selected\n", |
2279 | host_address_to_string (new_gdbarch), | |
ebdba546 AC |
2280 | new_gdbarch->bfd_arch_info->printable_name); |
2281 | ||
2282 | /* Insert the new architecture into the front of the architecture | |
2283 | list (keep the list sorted Most Recently Used). */ | |
0f79675b AC |
2284 | { |
2285 | struct gdbarch_list *this = XMALLOC (struct gdbarch_list); | |
2286 | this->next = rego->arches; | |
2287 | this->gdbarch = new_gdbarch; | |
2288 | rego->arches = this; | |
2289 | } | |
104c1213 | 2290 | |
4b9b3959 AC |
2291 | /* Check that the newly installed architecture is valid. Plug in |
2292 | any post init values. */ | |
2293 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2294 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2295 | new_gdbarch->initialized_p = 1; |
104c1213 | 2296 | |
4b9b3959 | 2297 | if (gdbarch_debug) |
ebdba546 AC |
2298 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2299 | ||
2300 | return new_gdbarch; | |
2301 | } | |
2302 | ||
e487cc15 | 2303 | /* Make the specified architecture current. */ |
ebdba546 AC |
2304 | |
2305 | void | |
aff68abb | 2306 | set_target_gdbarch (struct gdbarch *new_gdbarch) |
ebdba546 AC |
2307 | { |
2308 | gdb_assert (new_gdbarch != NULL); | |
ebdba546 | 2309 | gdb_assert (new_gdbarch->initialized_p); |
6ecd4729 | 2310 | current_inferior ()->gdbarch = new_gdbarch; |
383f836e | 2311 | observer_notify_architecture_changed (new_gdbarch); |
a3ecef73 | 2312 | registers_changed (); |
ebdba546 | 2313 | } |
104c1213 | 2314 | |
f5656ead | 2315 | /* Return the current inferior's arch. */ |
6ecd4729 PA |
2316 | |
2317 | struct gdbarch * | |
f5656ead | 2318 | target_gdbarch (void) |
6ecd4729 PA |
2319 | { |
2320 | return current_inferior ()->gdbarch; | |
2321 | } | |
2322 | ||
104c1213 | 2323 | extern void _initialize_gdbarch (void); |
b4a20239 | 2324 | |
104c1213 | 2325 | void |
34620563 | 2326 | _initialize_gdbarch (void) |
104c1213 | 2327 | { |
ccce17b0 | 2328 | add_setshow_zuinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
85c07804 AC |
2329 | Set architecture debugging."), _("\\ |
2330 | Show architecture debugging."), _("\\ | |
2331 | When non-zero, architecture debugging is enabled."), | |
2332 | NULL, | |
920d2a44 | 2333 | show_gdbarch_debug, |
85c07804 | 2334 | &setdebuglist, &showdebuglist); |
104c1213 JM |
2335 | } |
2336 | EOF | |
2337 | ||
2338 | # close things off | |
2339 | exec 1>&2 | |
2340 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2341 | compare_new gdbarch.c |