Commit | Line | Data |
---|---|---|
66b43ecb | 1 | #!/bin/sh -u |
104c1213 JM |
2 | |
3 | # Architecture commands for GDB, the GNU debugger. | |
79d45cd4 | 4 | # |
9b254dd1 | 5 | # Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
4c38e0a4 | 6 | # 2008, 2009, 2010 Free Software Foundation, Inc. |
104c1213 JM |
7 | # |
8 | # This file is part of GDB. | |
9 | # | |
10 | # This program is free software; you can redistribute it and/or modify | |
11 | # it under the terms of the GNU General Public License as published by | |
50efebf8 | 12 | # the Free Software Foundation; either version 3 of the License, or |
104c1213 JM |
13 | # (at your option) any later version. |
14 | # | |
15 | # This program is distributed in the hope that it will be useful, | |
16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | # GNU General Public License for more details. | |
19 | # | |
20 | # You should have received a copy of the GNU General Public License | |
50efebf8 | 21 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
104c1213 | 22 | |
6e2c7fa1 | 23 | # Make certain that the script is not running in an internationalized |
d8864532 | 24 | # environment. |
0e05dfcb DJ |
25 | LANG=C ; export LANG |
26 | LC_ALL=C ; export LC_ALL | |
d8864532 AC |
27 | |
28 | ||
59233f88 AC |
29 | compare_new () |
30 | { | |
31 | file=$1 | |
66b43ecb | 32 | if test ! -r ${file} |
59233f88 AC |
33 | then |
34 | echo "${file} missing? cp new-${file} ${file}" 1>&2 | |
50248794 | 35 | elif diff -u ${file} new-${file} |
59233f88 AC |
36 | then |
37 | echo "${file} unchanged" 1>&2 | |
38 | else | |
39 | echo "${file} has changed? cp new-${file} ${file}" 1>&2 | |
40 | fi | |
41 | } | |
42 | ||
43 | ||
44 | # Format of the input table | |
97030eea | 45 | read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol" |
c0e8c252 AC |
46 | |
47 | do_read () | |
48 | { | |
34620563 AC |
49 | comment="" |
50 | class="" | |
51 | while read line | |
52 | do | |
53 | if test "${line}" = "" | |
54 | then | |
55 | continue | |
56 | elif test "${line}" = "#" -a "${comment}" = "" | |
f0d4cc9e | 57 | then |
34620563 AC |
58 | continue |
59 | elif expr "${line}" : "#" > /dev/null | |
f0d4cc9e | 60 | then |
34620563 AC |
61 | comment="${comment} |
62 | ${line}" | |
f0d4cc9e | 63 | else |
3d9a5942 AC |
64 | |
65 | # The semantics of IFS varies between different SH's. Some | |
66 | # treat ``::' as three fields while some treat it as just too. | |
67 | # Work around this by eliminating ``::'' .... | |
68 | line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`" | |
69 | ||
70 | OFS="${IFS}" ; IFS="[:]" | |
34620563 AC |
71 | eval read ${read} <<EOF |
72 | ${line} | |
73 | EOF | |
74 | IFS="${OFS}" | |
75 | ||
283354d8 AC |
76 | if test -n "${garbage_at_eol}" |
77 | then | |
78 | echo "Garbage at end-of-line in ${line}" 1>&2 | |
79 | kill $$ | |
80 | exit 1 | |
81 | fi | |
82 | ||
3d9a5942 AC |
83 | # .... and then going back through each field and strip out those |
84 | # that ended up with just that space character. | |
85 | for r in ${read} | |
86 | do | |
87 | if eval test \"\${${r}}\" = \"\ \" | |
88 | then | |
89 | eval ${r}="" | |
90 | fi | |
91 | done | |
92 | ||
a72293e2 AC |
93 | case "${class}" in |
94 | m ) staticdefault="${predefault}" ;; | |
95 | M ) staticdefault="0" ;; | |
96 | * ) test "${staticdefault}" || staticdefault=0 ;; | |
97 | esac | |
06b25f14 | 98 | |
ae45cd16 AC |
99 | case "${class}" in |
100 | F | V | M ) | |
101 | case "${invalid_p}" in | |
34620563 | 102 | "" ) |
f7968451 | 103 | if test -n "${predefault}" |
34620563 AC |
104 | then |
105 | #invalid_p="gdbarch->${function} == ${predefault}" | |
ae45cd16 | 106 | predicate="gdbarch->${function} != ${predefault}" |
f7968451 AC |
107 | elif class_is_variable_p |
108 | then | |
109 | predicate="gdbarch->${function} != 0" | |
110 | elif class_is_function_p | |
111 | then | |
112 | predicate="gdbarch->${function} != NULL" | |
34620563 AC |
113 | fi |
114 | ;; | |
ae45cd16 | 115 | * ) |
1e9f55d0 | 116 | echo "Predicate function ${function} with invalid_p." 1>&2 |
ae45cd16 AC |
117 | kill $$ |
118 | exit 1 | |
119 | ;; | |
120 | esac | |
34620563 AC |
121 | esac |
122 | ||
123 | # PREDEFAULT is a valid fallback definition of MEMBER when | |
124 | # multi-arch is not enabled. This ensures that the | |
125 | # default value, when multi-arch is the same as the | |
126 | # default value when not multi-arch. POSTDEFAULT is | |
127 | # always a valid definition of MEMBER as this again | |
128 | # ensures consistency. | |
129 | ||
72e74a21 | 130 | if [ -n "${postdefault}" ] |
34620563 AC |
131 | then |
132 | fallbackdefault="${postdefault}" | |
72e74a21 | 133 | elif [ -n "${predefault}" ] |
34620563 AC |
134 | then |
135 | fallbackdefault="${predefault}" | |
136 | else | |
73d3c16e | 137 | fallbackdefault="0" |
34620563 AC |
138 | fi |
139 | ||
140 | #NOT YET: See gdbarch.log for basic verification of | |
141 | # database | |
142 | ||
143 | break | |
f0d4cc9e | 144 | fi |
34620563 | 145 | done |
72e74a21 | 146 | if [ -n "${class}" ] |
34620563 AC |
147 | then |
148 | true | |
c0e8c252 AC |
149 | else |
150 | false | |
151 | fi | |
152 | } | |
153 | ||
104c1213 | 154 | |
f0d4cc9e AC |
155 | fallback_default_p () |
156 | { | |
72e74a21 JB |
157 | [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \ |
158 | || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ] | |
f0d4cc9e AC |
159 | } |
160 | ||
161 | class_is_variable_p () | |
162 | { | |
4a5c6a1d AC |
163 | case "${class}" in |
164 | *v* | *V* ) true ;; | |
165 | * ) false ;; | |
166 | esac | |
f0d4cc9e AC |
167 | } |
168 | ||
169 | class_is_function_p () | |
170 | { | |
4a5c6a1d AC |
171 | case "${class}" in |
172 | *f* | *F* | *m* | *M* ) true ;; | |
173 | * ) false ;; | |
174 | esac | |
175 | } | |
176 | ||
177 | class_is_multiarch_p () | |
178 | { | |
179 | case "${class}" in | |
180 | *m* | *M* ) true ;; | |
181 | * ) false ;; | |
182 | esac | |
f0d4cc9e AC |
183 | } |
184 | ||
185 | class_is_predicate_p () | |
186 | { | |
4a5c6a1d AC |
187 | case "${class}" in |
188 | *F* | *V* | *M* ) true ;; | |
189 | * ) false ;; | |
190 | esac | |
f0d4cc9e AC |
191 | } |
192 | ||
193 | class_is_info_p () | |
194 | { | |
4a5c6a1d AC |
195 | case "${class}" in |
196 | *i* ) true ;; | |
197 | * ) false ;; | |
198 | esac | |
f0d4cc9e AC |
199 | } |
200 | ||
201 | ||
cff3e48b JM |
202 | # dump out/verify the doco |
203 | for field in ${read} | |
204 | do | |
205 | case ${field} in | |
206 | ||
207 | class ) : ;; | |
c4093a6a | 208 | |
c0e8c252 AC |
209 | # # -> line disable |
210 | # f -> function | |
211 | # hiding a function | |
2ada493a AC |
212 | # F -> function + predicate |
213 | # hiding a function + predicate to test function validity | |
c0e8c252 AC |
214 | # v -> variable |
215 | # hiding a variable | |
2ada493a AC |
216 | # V -> variable + predicate |
217 | # hiding a variable + predicate to test variables validity | |
c0e8c252 AC |
218 | # i -> set from info |
219 | # hiding something from the ``struct info'' object | |
4a5c6a1d AC |
220 | # m -> multi-arch function |
221 | # hiding a multi-arch function (parameterised with the architecture) | |
222 | # M -> multi-arch function + predicate | |
223 | # hiding a multi-arch function + predicate to test function validity | |
cff3e48b | 224 | |
cff3e48b JM |
225 | returntype ) : ;; |
226 | ||
c0e8c252 | 227 | # For functions, the return type; for variables, the data type |
cff3e48b JM |
228 | |
229 | function ) : ;; | |
230 | ||
c0e8c252 AC |
231 | # For functions, the member function name; for variables, the |
232 | # variable name. Member function names are always prefixed with | |
233 | # ``gdbarch_'' for name-space purity. | |
cff3e48b JM |
234 | |
235 | formal ) : ;; | |
236 | ||
c0e8c252 AC |
237 | # The formal argument list. It is assumed that the formal |
238 | # argument list includes the actual name of each list element. | |
239 | # A function with no arguments shall have ``void'' as the | |
240 | # formal argument list. | |
cff3e48b JM |
241 | |
242 | actual ) : ;; | |
243 | ||
c0e8c252 AC |
244 | # The list of actual arguments. The arguments specified shall |
245 | # match the FORMAL list given above. Functions with out | |
246 | # arguments leave this blank. | |
cff3e48b | 247 | |
0b8f9e4d | 248 | staticdefault ) : ;; |
c0e8c252 AC |
249 | |
250 | # To help with the GDB startup a static gdbarch object is | |
0b8f9e4d AC |
251 | # created. STATICDEFAULT is the value to insert into that |
252 | # static gdbarch object. Since this a static object only | |
253 | # simple expressions can be used. | |
cff3e48b | 254 | |
0b8f9e4d | 255 | # If STATICDEFAULT is empty, zero is used. |
c0e8c252 | 256 | |
0b8f9e4d | 257 | predefault ) : ;; |
cff3e48b | 258 | |
10312cc4 AC |
259 | # An initial value to assign to MEMBER of the freshly |
260 | # malloc()ed gdbarch object. After initialization, the | |
261 | # freshly malloc()ed object is passed to the target | |
262 | # architecture code for further updates. | |
cff3e48b | 263 | |
0b8f9e4d AC |
264 | # If PREDEFAULT is empty, zero is used. |
265 | ||
10312cc4 AC |
266 | # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero |
267 | # INVALID_P are specified, PREDEFAULT will be used as the | |
268 | # default for the non- multi-arch target. | |
269 | ||
270 | # A zero PREDEFAULT function will force the fallback to call | |
271 | # internal_error(). | |
f0d4cc9e AC |
272 | |
273 | # Variable declarations can refer to ``gdbarch'' which will | |
274 | # contain the current architecture. Care should be taken. | |
0b8f9e4d AC |
275 | |
276 | postdefault ) : ;; | |
277 | ||
278 | # A value to assign to MEMBER of the new gdbarch object should | |
10312cc4 AC |
279 | # the target architecture code fail to change the PREDEFAULT |
280 | # value. | |
0b8f9e4d AC |
281 | |
282 | # If POSTDEFAULT is empty, no post update is performed. | |
283 | ||
284 | # If both INVALID_P and POSTDEFAULT are non-empty then | |
285 | # INVALID_P will be used to determine if MEMBER should be | |
286 | # changed to POSTDEFAULT. | |
287 | ||
10312cc4 AC |
288 | # If a non-empty POSTDEFAULT and a zero INVALID_P are |
289 | # specified, POSTDEFAULT will be used as the default for the | |
290 | # non- multi-arch target (regardless of the value of | |
291 | # PREDEFAULT). | |
292 | ||
f0d4cc9e AC |
293 | # You cannot specify both a zero INVALID_P and a POSTDEFAULT. |
294 | ||
be7811ad | 295 | # Variable declarations can refer to ``gdbarch'' which |
db446970 AC |
296 | # will contain the current architecture. Care should be |
297 | # taken. | |
cff3e48b | 298 | |
c4093a6a | 299 | invalid_p ) : ;; |
cff3e48b | 300 | |
0b8f9e4d | 301 | # A predicate equation that validates MEMBER. Non-zero is |
c0e8c252 | 302 | # returned if the code creating the new architecture failed to |
0b8f9e4d AC |
303 | # initialize MEMBER or the initialized the member is invalid. |
304 | # If POSTDEFAULT is non-empty then MEMBER will be updated to | |
305 | # that value. If POSTDEFAULT is empty then internal_error() | |
306 | # is called. | |
307 | ||
308 | # If INVALID_P is empty, a check that MEMBER is no longer | |
309 | # equal to PREDEFAULT is used. | |
310 | ||
f0d4cc9e AC |
311 | # The expression ``0'' disables the INVALID_P check making |
312 | # PREDEFAULT a legitimate value. | |
0b8f9e4d AC |
313 | |
314 | # See also PREDEFAULT and POSTDEFAULT. | |
cff3e48b | 315 | |
cff3e48b JM |
316 | print ) : ;; |
317 | ||
2f9b146e AC |
318 | # An optional expression that convers MEMBER to a value |
319 | # suitable for formatting using %s. | |
c0e8c252 | 320 | |
0b1553bc UW |
321 | # If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR) |
322 | # or plongest (anything else) is used. | |
cff3e48b | 323 | |
283354d8 | 324 | garbage_at_eol ) : ;; |
0b8f9e4d | 325 | |
283354d8 | 326 | # Catches stray fields. |
cff3e48b | 327 | |
50248794 AC |
328 | *) |
329 | echo "Bad field ${field}" | |
330 | exit 1;; | |
cff3e48b JM |
331 | esac |
332 | done | |
333 | ||
cff3e48b | 334 | |
104c1213 JM |
335 | function_list () |
336 | { | |
cff3e48b | 337 | # See below (DOCO) for description of each field |
34620563 | 338 | cat <<EOF |
be7811ad | 339 | i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name |
104c1213 | 340 | # |
97030eea | 341 | i:int:byte_order:::BFD_ENDIAN_BIG |
9d4fde75 | 342 | i:int:byte_order_for_code:::BFD_ENDIAN_BIG |
4be87837 | 343 | # |
97030eea | 344 | i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN |
424163ea | 345 | # |
30737ed9 | 346 | i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc) |
32c9a795 MD |
347 | |
348 | # The bit byte-order has to do just with numbering of bits in debugging symbols | |
349 | # and such. Conceptually, it's quite separate from byte/word byte order. | |
350 | v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0 | |
351 | ||
66b43ecb AC |
352 | # Number of bits in a char or unsigned char for the target machine. |
353 | # Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 354 | # v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
355 | # |
356 | # Number of bits in a short or unsigned short for the target machine. | |
97030eea | 357 | v:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0 |
66b43ecb | 358 | # Number of bits in an int or unsigned int for the target machine. |
97030eea | 359 | v:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0 |
66b43ecb | 360 | # Number of bits in a long or unsigned long for the target machine. |
97030eea | 361 | v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0 |
66b43ecb AC |
362 | # Number of bits in a long long or unsigned long long for the target |
363 | # machine. | |
be7811ad | 364 | v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 |
456fcf94 AC |
365 | |
366 | # The ABI default bit-size and format for "float", "double", and "long | |
367 | # double". These bit/format pairs should eventually be combined into | |
368 | # a single object. For the moment, just initialize them as a pair. | |
8da61cc4 DJ |
369 | # Each format describes both the big and little endian layouts (if |
370 | # useful). | |
456fcf94 | 371 | |
97030eea | 372 | v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0 |
be7811ad | 373 | v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format) |
97030eea | 374 | v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0 |
be7811ad | 375 | v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format) |
97030eea | 376 | v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0 |
be7811ad | 377 | v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format) |
456fcf94 | 378 | |
52204a0b DT |
379 | # For most targets, a pointer on the target and its representation as an |
380 | # address in GDB have the same size and "look the same". For such a | |
17a912b6 | 381 | # target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit |
52204a0b DT |
382 | # / addr_bit will be set from it. |
383 | # | |
17a912b6 | 384 | # If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
76e71323 UW |
385 | # also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer |
386 | # as well. | |
52204a0b DT |
387 | # |
388 | # ptr_bit is the size of a pointer on the target | |
be7811ad | 389 | v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0 |
52204a0b | 390 | # addr_bit is the size of a target address as represented in gdb |
be7811ad | 391 | v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch): |
104c1213 | 392 | # |
4e409299 | 393 | # One if \`char' acts like \`signed char', zero if \`unsigned char'. |
97030eea | 394 | v:int:char_signed:::1:-1:1 |
4e409299 | 395 | # |
97030eea UW |
396 | F:CORE_ADDR:read_pc:struct regcache *regcache:regcache |
397 | F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val | |
39d4ef09 AC |
398 | # Function for getting target's idea of a frame pointer. FIXME: GDB's |
399 | # whole scheme for dealing with "frames" and "frame pointers" needs a | |
400 | # serious shakedown. | |
a54fba4c | 401 | 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 | 402 | # |
97030eea UW |
403 | M:void:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf |
404 | M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf | |
61a0eb5b | 405 | # |
97030eea | 406 | v:int:num_regs:::0:-1 |
0aba1244 EZ |
407 | # This macro gives the number of pseudo-registers that live in the |
408 | # register namespace but do not get fetched or stored on the target. | |
3d9a5942 AC |
409 | # These pseudo-registers may be aliases for other registers, |
410 | # combinations of other registers, or they may be computed by GDB. | |
97030eea | 411 | v:int:num_pseudo_regs:::0:0::0 |
c2169756 AC |
412 | |
413 | # GDB's standard (or well known) register numbers. These can map onto | |
414 | # a real register or a pseudo (computed) register or not be defined at | |
1200cd6e | 415 | # all (-1). |
3e8c568d | 416 | # gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. |
97030eea UW |
417 | v:int:sp_regnum:::-1:-1::0 |
418 | v:int:pc_regnum:::-1:-1::0 | |
419 | v:int:ps_regnum:::-1:-1::0 | |
420 | v:int:fp0_regnum:::0:-1::0 | |
88c72b7d | 421 | # Convert stab register number (from \`r\' declaration) to a gdb REGNUM. |
d3f73121 | 422 | m:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 423 | # Provide a default mapping from a ecoff register number to a gdb REGNUM. |
d3f73121 | 424 | m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0 |
88c72b7d | 425 | # Convert from an sdb register number to an internal gdb register number. |
d3f73121 | 426 | m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0 |
ba2b1c56 | 427 | # Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
d3f73121 | 428 | m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0 |
d93859e2 | 429 | m:const char *:register_name:int regnr:regnr::0 |
9c04cab7 | 430 | |
7b9ee6a8 DJ |
431 | # Return the type of a register specified by the architecture. Only |
432 | # the register cache should call this function directly; others should | |
433 | # use "register_type". | |
97030eea | 434 | M:struct type *:register_type:int reg_nr:reg_nr |
9c04cab7 | 435 | |
f3be58bc | 436 | # See gdbint.texinfo, and PUSH_DUMMY_CALL. |
669fac23 DJ |
437 | M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame |
438 | # Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete | |
064f5156 | 439 | # deprecated_fp_regnum. |
97030eea | 440 | v:int:deprecated_fp_regnum:::-1:-1::0 |
f3be58bc | 441 | |
a86c5fc9 | 442 | # See gdbint.texinfo. See infcall.c. |
97030eea UW |
443 | 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 |
444 | v:int:call_dummy_location::::AT_ENTRY_POINT::0 | |
445 | 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 | 446 | |
97030eea UW |
447 | 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 |
448 | M:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
449 | M:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
7c7651b2 AC |
450 | # MAP a GDB RAW register number onto a simulator register number. See |
451 | # also include/...-sim.h. | |
e7faf938 | 452 | m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0 |
64a3914f MD |
453 | m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0 |
454 | m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0 | |
9df628e0 | 455 | # setjmp/longjmp support. |
97030eea | 456 | F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc |
104c1213 | 457 | # |
97030eea | 458 | v:int:believe_pcc_promotion::::::: |
104c1213 | 459 | # |
0abe36f5 | 460 | m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0 |
97030eea UW |
461 | f:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf:frame, regnum, type, buf:0 |
462 | 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 |
463 | # Construct a value representing the contents of register REGNUM in |
464 | # frame FRAME, interpreted as type TYPE. The routine needs to | |
465 | # allocate and return a struct value with all value attributes | |
466 | # (but not the value contents) filled in. | |
97030eea | 467 | f:struct value *:value_from_register:struct type *type, int regnum, struct frame_info *frame:type, regnum, frame::default_value_from_register::0 |
104c1213 | 468 | # |
9898f801 UW |
469 | m:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0 |
470 | m:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0 | |
97030eea | 471 | M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf |
92ad9cd9 | 472 | |
ea42b34a JB |
473 | # Return the return-value convention that will be used by FUNCTYPE |
474 | # to return a value of type VALTYPE. FUNCTYPE may be NULL in which | |
475 | # case the return convention is computed based only on VALTYPE. | |
476 | # | |
477 | # If READBUF is not NULL, extract the return value and save it in this buffer. | |
478 | # | |
479 | # If WRITEBUF is not NULL, it contains a return value which will be | |
480 | # stored into the appropriate register. This can be used when we want | |
481 | # to force the value returned by a function (see the "return" command | |
482 | # for instance). | |
c055b101 | 483 | M:enum return_value_convention:return_value:struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:functype, valtype, regcache, readbuf, writebuf |
92ad9cd9 | 484 | |
6093d2eb | 485 | m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0 |
4309257c | 486 | M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip |
97030eea | 487 | f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0 |
67d57894 | 488 | m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0: |
a1dcb23a DJ |
489 | # Return the adjusted address and kind to use for Z0/Z1 packets. |
490 | # KIND is usually the memory length of the breakpoint, but may have a | |
491 | # different target-specific meaning. | |
0e05dfcb | 492 | m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0 |
97030eea | 493 | M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr |
ae4b2284 MD |
494 | m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0 |
495 | m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0 | |
97030eea | 496 | v:CORE_ADDR:decr_pc_after_break:::0:::0 |
782263ab AC |
497 | |
498 | # A function can be addressed by either it's "pointer" (possibly a | |
499 | # descriptor address) or "entry point" (first executable instruction). | |
500 | # The method "convert_from_func_ptr_addr" converting the former to the | |
cbf3b44a | 501 | # latter. gdbarch_deprecated_function_start_offset is being used to implement |
782263ab AC |
502 | # a simplified subset of that functionality - the function's address |
503 | # corresponds to the "function pointer" and the function's start | |
504 | # corresponds to the "function entry point" - and hence is redundant. | |
505 | ||
97030eea | 506 | v:CORE_ADDR:deprecated_function_start_offset:::0:::0 |
782263ab | 507 | |
123dc839 DJ |
508 | # Return the remote protocol register number associated with this |
509 | # register. Normally the identity mapping. | |
97030eea | 510 | m:int:remote_register_number:int regno:regno::default_remote_register_number::0 |
123dc839 | 511 | |
b2756930 | 512 | # Fetch the target specific address used to represent a load module. |
97030eea | 513 | F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile |
104c1213 | 514 | # |
97030eea UW |
515 | v:CORE_ADDR:frame_args_skip:::0:::0 |
516 | M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame | |
517 | M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame | |
42efa47a AC |
518 | # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
519 | # frame-base. Enable frame-base before frame-unwind. | |
97030eea | 520 | F:int:frame_num_args:struct frame_info *frame:frame |
104c1213 | 521 | # |
97030eea UW |
522 | M:CORE_ADDR:frame_align:CORE_ADDR address:address |
523 | m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0 | |
524 | v:int:frame_red_zone_size | |
f0d4cc9e | 525 | # |
97030eea | 526 | 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 |
527 | # On some machines there are bits in addresses which are not really |
528 | # part of the address, but are used by the kernel, the hardware, etc. | |
bf6ae464 | 529 | # for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
875e1767 AC |
530 | # we get a "real" address such as one would find in a symbol table. |
531 | # This is used only for addresses of instructions, and even then I'm | |
532 | # not sure it's used in all contexts. It exists to deal with there | |
533 | # being a few stray bits in the PC which would mislead us, not as some | |
534 | # sort of generic thing to handle alignment or segmentation (it's | |
535 | # possible it should be in TARGET_READ_PC instead). | |
24568a2c | 536 | m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 |
260edbc2 | 537 | # It is not at all clear why gdbarch_smash_text_address is not folded into |
bf6ae464 | 538 | # gdbarch_addr_bits_remove. |
24568a2c | 539 | m:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr::core_addr_identity::0 |
e6590a1b UW |
540 | |
541 | # FIXME/cagney/2001-01-18: This should be split in two. A target method that | |
542 | # indicates if the target needs software single step. An ISA method to | |
543 | # implement it. | |
544 | # | |
545 | # FIXME/cagney/2001-01-18: This should be replaced with something that inserts | |
546 | # breakpoints using the breakpoint system instead of blatting memory directly | |
547 | # (as with rs6000). | |
64c4637f | 548 | # |
e6590a1b UW |
549 | # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the |
550 | # target can single step. If not, then implement single step using breakpoints. | |
64c4637f | 551 | # |
e6590a1b UW |
552 | # A return value of 1 means that the software_single_step breakpoints |
553 | # were inserted; 0 means they were not. | |
97030eea | 554 | F:int:software_single_step:struct frame_info *frame:frame |
e6590a1b | 555 | |
3352ef37 AC |
556 | # Return non-zero if the processor is executing a delay slot and a |
557 | # further single-step is needed before the instruction finishes. | |
97030eea | 558 | M:int:single_step_through_delay:struct frame_info *frame:frame |
f6c40618 | 559 | # FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
b2fa5097 | 560 | # disassembler. Perhaps objdump can handle it? |
97030eea UW |
561 | f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0: |
562 | f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0 | |
d50355b6 MS |
563 | |
564 | ||
cfd8ab24 | 565 | # If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
dea0c52f MK |
566 | # evaluates non-zero, this is the address where the debugger will place |
567 | # a step-resume breakpoint to get us past the dynamic linker. | |
97030eea | 568 | m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0 |
d50355b6 | 569 | # Some systems also have trampoline code for returning from shared libs. |
e17a4113 | 570 | m:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name::generic_in_solib_return_trampoline::0 |
d50355b6 | 571 | |
c12260ac CV |
572 | # A target might have problems with watchpoints as soon as the stack |
573 | # frame of the current function has been destroyed. This mostly happens | |
574 | # as the first action in a funtion's epilogue. in_function_epilogue_p() | |
575 | # is defined to return a non-zero value if either the given addr is one | |
576 | # instruction after the stack destroying instruction up to the trailing | |
577 | # return instruction or if we can figure out that the stack frame has | |
578 | # already been invalidated regardless of the value of addr. Targets | |
579 | # which don't suffer from that problem could just let this functionality | |
580 | # untouched. | |
97030eea | 581 | m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0 |
97030eea UW |
582 | f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0 |
583 | f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 | |
97030eea UW |
584 | v:int:cannot_step_breakpoint:::0:0::0 |
585 | v:int:have_nonsteppable_watchpoint:::0:0::0 | |
586 | F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class | |
587 | M:const char *:address_class_type_flags_to_name:int type_flags:type_flags | |
588 | M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr | |
b59ff9d5 | 589 | # Is a register in a group |
97030eea | 590 | m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0 |
f6214256 | 591 | # Fetch the pointer to the ith function argument. |
97030eea | 592 | F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
6ce6d90f MK |
593 | |
594 | # Return the appropriate register set for a core file section with | |
595 | # name SECT_NAME and size SECT_SIZE. | |
97030eea | 596 | M:const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size |
0d5de010 | 597 | |
959b8724 PA |
598 | # When creating core dumps, some systems encode the PID in addition |
599 | # to the LWP id in core file register section names. In those cases, the | |
600 | # "XXX" in ".reg/XXX" is encoded as [LWPID << 16 | PID]. This setting | |
601 | # is set to true for such architectures; false if "XXX" represents an LWP | |
602 | # or thread id with no special encoding. | |
603 | v:int:core_reg_section_encodes_pid:::0:0::0 | |
604 | ||
17ea7499 CES |
605 | # Supported register notes in a core file. |
606 | v:struct core_regset_section *:core_regset_sections:const char *name, int len::::::host_address_to_string (gdbarch->core_regset_sections) | |
607 | ||
de584861 PA |
608 | # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
609 | # core file into buffer READBUF with length LEN. | |
97030eea | 610 | M:LONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, LONGEST len:readbuf, offset, len |
de584861 | 611 | |
28439f5e PA |
612 | # How the core_stratum layer converts a PTID from a core file to a |
613 | # string. | |
614 | M:char *:core_pid_to_str:ptid_t ptid:ptid | |
615 | ||
a78c2d62 UW |
616 | # BFD target to use when generating a core file. |
617 | V:const char *:gcore_bfd_target:::0:0:::gdbarch->gcore_bfd_target | |
618 | ||
0d5de010 DJ |
619 | # If the elements of C++ vtables are in-place function descriptors rather |
620 | # than normal function pointers (which may point to code or a descriptor), | |
621 | # set this to one. | |
97030eea | 622 | v:int:vtable_function_descriptors:::0:0::0 |
0d5de010 DJ |
623 | |
624 | # Set if the least significant bit of the delta is used instead of the least | |
625 | # significant bit of the pfn for pointers to virtual member functions. | |
97030eea | 626 | v:int:vbit_in_delta:::0:0::0 |
6d350bb5 UW |
627 | |
628 | # Advance PC to next instruction in order to skip a permanent breakpoint. | |
97030eea | 629 | F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache |
1c772458 | 630 | |
237fc4c9 PA |
631 | # The maximum length of an instruction on this architecture. |
632 | V:ULONGEST:max_insn_length:::0:0 | |
633 | ||
634 | # Copy the instruction at FROM to TO, and make any adjustments | |
635 | # necessary to single-step it at that address. | |
636 | # | |
637 | # REGS holds the state the thread's registers will have before | |
638 | # executing the copied instruction; the PC in REGS will refer to FROM, | |
639 | # not the copy at TO. The caller should update it to point at TO later. | |
640 | # | |
641 | # Return a pointer to data of the architecture's choice to be passed | |
642 | # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that | |
643 | # the instruction's effects have been completely simulated, with the | |
644 | # resulting state written back to REGS. | |
645 | # | |
646 | # For a general explanation of displaced stepping and how GDB uses it, | |
647 | # see the comments in infrun.c. | |
648 | # | |
649 | # The TO area is only guaranteed to have space for | |
650 | # gdbarch_max_insn_length (arch) bytes, so this function must not | |
651 | # write more bytes than that to that area. | |
652 | # | |
653 | # If you do not provide this function, GDB assumes that the | |
654 | # architecture does not support displaced stepping. | |
655 | # | |
656 | # If your architecture doesn't need to adjust instructions before | |
657 | # single-stepping them, consider using simple_displaced_step_copy_insn | |
658 | # here. | |
659 | M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs | |
660 | ||
99e40580 UW |
661 | # Return true if GDB should use hardware single-stepping to execute |
662 | # the displaced instruction identified by CLOSURE. If false, | |
663 | # GDB will simply restart execution at the displaced instruction | |
664 | # location, and it is up to the target to ensure GDB will receive | |
665 | # control again (e.g. by placing a software breakpoint instruction | |
666 | # into the displaced instruction buffer). | |
667 | # | |
668 | # The default implementation returns false on all targets that | |
669 | # provide a gdbarch_software_single_step routine, and true otherwise. | |
670 | m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 | |
671 | ||
237fc4c9 PA |
672 | # Fix up the state resulting from successfully single-stepping a |
673 | # displaced instruction, to give the result we would have gotten from | |
674 | # stepping the instruction in its original location. | |
675 | # | |
676 | # REGS is the register state resulting from single-stepping the | |
677 | # displaced instruction. | |
678 | # | |
679 | # CLOSURE is the result from the matching call to | |
680 | # gdbarch_displaced_step_copy_insn. | |
681 | # | |
682 | # If you provide gdbarch_displaced_step_copy_insn.but not this | |
683 | # function, then GDB assumes that no fixup is needed after | |
684 | # single-stepping the instruction. | |
685 | # | |
686 | # For a general explanation of displaced stepping and how GDB uses it, | |
687 | # see the comments in infrun.c. | |
688 | M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL | |
689 | ||
690 | # Free a closure returned by gdbarch_displaced_step_copy_insn. | |
691 | # | |
692 | # If you provide gdbarch_displaced_step_copy_insn, you must provide | |
693 | # this function as well. | |
694 | # | |
695 | # If your architecture uses closures that don't need to be freed, then | |
696 | # you can use simple_displaced_step_free_closure here. | |
697 | # | |
698 | # For a general explanation of displaced stepping and how GDB uses it, | |
699 | # see the comments in infrun.c. | |
700 | m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) | |
701 | ||
702 | # Return the address of an appropriate place to put displaced | |
703 | # instructions while we step over them. There need only be one such | |
704 | # place, since we're only stepping one thread over a breakpoint at a | |
705 | # time. | |
706 | # | |
707 | # For a general explanation of displaced stepping and how GDB uses it, | |
708 | # see the comments in infrun.c. | |
709 | m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) | |
710 | ||
1c772458 | 711 | # Refresh overlay mapped state for section OSECT. |
97030eea | 712 | F:void:overlay_update:struct obj_section *osect:osect |
4eb0ad19 | 713 | |
97030eea | 714 | M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
149ad273 UW |
715 | |
716 | # Handle special encoding of static variables in stabs debug info. | |
97030eea | 717 | F:char *:static_transform_name:char *name:name |
203c3895 | 718 | # Set if the address in N_SO or N_FUN stabs may be zero. |
97030eea | 719 | v:int:sofun_address_maybe_missing:::0:0::0 |
1cded358 | 720 | |
0508c3ec HZ |
721 | # Parse the instruction at ADDR storing in the record execution log |
722 | # the registers REGCACHE and memory ranges that will be affected when | |
723 | # the instruction executes, along with their current values. | |
724 | # Return -1 if something goes wrong, 0 otherwise. | |
725 | M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr | |
726 | ||
3846b520 HZ |
727 | # Save process state after a signal. |
728 | # Return -1 if something goes wrong, 0 otherwise. | |
729 | M:int:process_record_signal:struct regcache *regcache, enum target_signal signal:regcache, signal | |
730 | ||
1cded358 AR |
731 | # Signal translation: translate inferior's signal (host's) number into |
732 | # GDB's representation. | |
733 | m:enum target_signal:target_signal_from_host:int signo:signo::default_target_signal_from_host::0 | |
734 | # Signal translation: translate GDB's signal number into inferior's host | |
735 | # signal number. | |
736 | m:int:target_signal_to_host:enum target_signal ts:ts::default_target_signal_to_host::0 | |
60c5725c | 737 | |
4aa995e1 PA |
738 | # Extra signal info inspection. |
739 | # | |
740 | # Return a type suitable to inspect extra signal information. | |
741 | M:struct type *:get_siginfo_type:void: | |
742 | ||
60c5725c DJ |
743 | # Record architecture-specific information from the symbol table. |
744 | M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym | |
50c71eaf | 745 | |
a96d9b2e SDJ |
746 | # Function for the 'catch syscall' feature. |
747 | ||
748 | # Get architecture-specific system calls information from registers. | |
749 | M:LONGEST:get_syscall_number:ptid_t ptid:ptid | |
750 | ||
50c71eaf PA |
751 | # True if the list of shared libraries is one and only for all |
752 | # processes, as opposed to a list of shared libraries per inferior. | |
2567c7d9 PA |
753 | # This usually means that all processes, although may or may not share |
754 | # an address space, will see the same set of symbols at the same | |
755 | # addresses. | |
50c71eaf | 756 | v:int:has_global_solist:::0:0::0 |
2567c7d9 PA |
757 | |
758 | # On some targets, even though each inferior has its own private | |
759 | # address space, the debug interface takes care of making breakpoints | |
760 | # visible to all address spaces automatically. For such cases, | |
761 | # this property should be set to true. | |
762 | v:int:has_global_breakpoints:::0:0::0 | |
6c95b8df PA |
763 | |
764 | # True if inferiors share an address space (e.g., uClinux). | |
765 | m:int:has_shared_address_space:void:::default_has_shared_address_space::0 | |
7a697b8d SS |
766 | |
767 | # True if a fast tracepoint can be set at an address. | |
768 | m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 | |
75cebea9 L |
769 | |
770 | # Not NULL if a target has additonal field for qSupported. | |
771 | v:const char *:qsupported:::0:0::0:gdbarch->qsupported | |
104c1213 | 772 | EOF |
104c1213 JM |
773 | } |
774 | ||
0b8f9e4d AC |
775 | # |
776 | # The .log file | |
777 | # | |
778 | exec > new-gdbarch.log | |
34620563 | 779 | function_list | while do_read |
0b8f9e4d AC |
780 | do |
781 | cat <<EOF | |
2f9b146e | 782 | ${class} ${returntype} ${function} ($formal) |
104c1213 | 783 | EOF |
3d9a5942 AC |
784 | for r in ${read} |
785 | do | |
786 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
787 | done | |
f0d4cc9e | 788 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 789 | then |
66d659b1 | 790 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
791 | kill $$ |
792 | exit 1 | |
793 | fi | |
72e74a21 | 794 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
795 | then |
796 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
797 | kill $$ | |
798 | exit 1 | |
799 | fi | |
a72293e2 AC |
800 | if class_is_multiarch_p |
801 | then | |
802 | if class_is_predicate_p ; then : | |
803 | elif test "x${predefault}" = "x" | |
804 | then | |
2f9b146e | 805 | echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2 |
a72293e2 AC |
806 | kill $$ |
807 | exit 1 | |
808 | fi | |
809 | fi | |
3d9a5942 | 810 | echo "" |
0b8f9e4d AC |
811 | done |
812 | ||
813 | exec 1>&2 | |
814 | compare_new gdbarch.log | |
815 | ||
104c1213 JM |
816 | |
817 | copyright () | |
818 | { | |
819 | cat <<EOF | |
59233f88 AC |
820 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */ |
821 | ||
104c1213 | 822 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 | 823 | |
f801e1e0 MS |
824 | Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
825 | 2007, 2008, 2009 Free Software Foundation, Inc. | |
104c1213 JM |
826 | |
827 | This file is part of GDB. | |
828 | ||
829 | This program is free software; you can redistribute it and/or modify | |
830 | it under the terms of the GNU General Public License as published by | |
50efebf8 | 831 | the Free Software Foundation; either version 3 of the License, or |
104c1213 | 832 | (at your option) any later version. |
50efebf8 | 833 | |
104c1213 JM |
834 | This program is distributed in the hope that it will be useful, |
835 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
836 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
837 | GNU General Public License for more details. | |
50efebf8 | 838 | |
104c1213 | 839 | You should have received a copy of the GNU General Public License |
50efebf8 | 840 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 | 841 | |
104c1213 JM |
842 | /* This file was created with the aid of \`\`gdbarch.sh''. |
843 | ||
52204a0b | 844 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
845 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
846 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
847 | being reported. | |
848 | ||
849 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 850 | changes into that script. Conversely, when making sweeping changes |
104c1213 JM |
851 | to this file, modifying gdbarch.sh and using its output may prove |
852 | easier. */ | |
853 | ||
854 | EOF | |
855 | } | |
856 | ||
857 | # | |
858 | # The .h file | |
859 | # | |
860 | ||
861 | exec > new-gdbarch.h | |
862 | copyright | |
863 | cat <<EOF | |
864 | #ifndef GDBARCH_H | |
865 | #define GDBARCH_H | |
866 | ||
da3331ec AC |
867 | struct floatformat; |
868 | struct ui_file; | |
104c1213 JM |
869 | struct frame_info; |
870 | struct value; | |
b6af0555 | 871 | struct objfile; |
1c772458 | 872 | struct obj_section; |
a2cf933a | 873 | struct minimal_symbol; |
049ee0e4 | 874 | struct regcache; |
b59ff9d5 | 875 | struct reggroup; |
6ce6d90f | 876 | struct regset; |
a89aa300 | 877 | struct disassemble_info; |
e2d0e7eb | 878 | struct target_ops; |
030f20e1 | 879 | struct obstack; |
8181d85f | 880 | struct bp_target_info; |
424163ea | 881 | struct target_desc; |
237fc4c9 | 882 | struct displaced_step_closure; |
17ea7499 | 883 | struct core_regset_section; |
a96d9b2e | 884 | struct syscall; |
104c1213 | 885 | |
9e2ace22 JB |
886 | /* The architecture associated with the connection to the target. |
887 | ||
888 | The architecture vector provides some information that is really | |
889 | a property of the target: The layout of certain packets, for instance; | |
890 | or the solib_ops vector. Etc. To differentiate architecture accesses | |
891 | to per-target properties from per-thread/per-frame/per-objfile properties, | |
892 | accesses to per-target properties should be made through target_gdbarch. | |
893 | ||
894 | Eventually, when support for multiple targets is implemented in | |
895 | GDB, this global should be made target-specific. */ | |
1cf3db46 | 896 | extern struct gdbarch *target_gdbarch; |
104c1213 JM |
897 | EOF |
898 | ||
899 | # function typedef's | |
3d9a5942 AC |
900 | printf "\n" |
901 | printf "\n" | |
902 | printf "/* The following are pre-initialized by GDBARCH. */\n" | |
34620563 | 903 | function_list | while do_read |
104c1213 | 904 | do |
2ada493a AC |
905 | if class_is_info_p |
906 | then | |
3d9a5942 AC |
907 | printf "\n" |
908 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
909 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" | |
2ada493a | 910 | fi |
104c1213 JM |
911 | done |
912 | ||
913 | # function typedef's | |
3d9a5942 AC |
914 | printf "\n" |
915 | printf "\n" | |
916 | printf "/* The following are initialized by the target dependent code. */\n" | |
34620563 | 917 | function_list | while do_read |
104c1213 | 918 | do |
72e74a21 | 919 | if [ -n "${comment}" ] |
34620563 AC |
920 | then |
921 | echo "${comment}" | sed \ | |
922 | -e '2 s,#,/*,' \ | |
923 | -e '3,$ s,#, ,' \ | |
924 | -e '$ s,$, */,' | |
925 | fi | |
412d5987 AC |
926 | |
927 | if class_is_predicate_p | |
2ada493a | 928 | then |
412d5987 AC |
929 | printf "\n" |
930 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
4a5c6a1d | 931 | fi |
2ada493a AC |
932 | if class_is_variable_p |
933 | then | |
3d9a5942 AC |
934 | printf "\n" |
935 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
936 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
2ada493a AC |
937 | fi |
938 | if class_is_function_p | |
939 | then | |
3d9a5942 | 940 | printf "\n" |
72e74a21 | 941 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
942 | then |
943 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
944 | elif class_is_multiarch_p | |
945 | then | |
946 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
947 | else | |
948 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
949 | fi | |
72e74a21 | 950 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 951 | then |
3d9a5942 | 952 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 953 | else |
3d9a5942 | 954 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 955 | fi |
3d9a5942 | 956 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
2ada493a | 957 | fi |
104c1213 JM |
958 | done |
959 | ||
960 | # close it off | |
961 | cat <<EOF | |
962 | ||
a96d9b2e SDJ |
963 | /* Definition for an unknown syscall, used basically in error-cases. */ |
964 | #define UNKNOWN_SYSCALL (-1) | |
965 | ||
104c1213 JM |
966 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
967 | ||
968 | ||
969 | /* Mechanism for co-ordinating the selection of a specific | |
970 | architecture. | |
971 | ||
972 | GDB targets (*-tdep.c) can register an interest in a specific | |
973 | architecture. Other GDB components can register a need to maintain | |
974 | per-architecture data. | |
975 | ||
976 | The mechanisms below ensures that there is only a loose connection | |
977 | between the set-architecture command and the various GDB | |
0fa6923a | 978 | components. Each component can independently register their need |
104c1213 JM |
979 | to maintain architecture specific data with gdbarch. |
980 | ||
981 | Pragmatics: | |
982 | ||
983 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
984 | didn't scale. | |
985 | ||
986 | The more traditional mega-struct containing architecture specific | |
987 | data for all the various GDB components was also considered. Since | |
0fa6923a | 988 | GDB is built from a variable number of (fairly independent) |
104c1213 JM |
989 | components it was determined that the global aproach was not |
990 | applicable. */ | |
991 | ||
992 | ||
993 | /* Register a new architectural family with GDB. | |
994 | ||
995 | Register support for the specified ARCHITECTURE with GDB. When | |
996 | gdbarch determines that the specified architecture has been | |
997 | selected, the corresponding INIT function is called. | |
998 | ||
999 | -- | |
1000 | ||
1001 | The INIT function takes two parameters: INFO which contains the | |
1002 | information available to gdbarch about the (possibly new) | |
1003 | architecture; ARCHES which is a list of the previously created | |
1004 | \`\`struct gdbarch'' for this architecture. | |
1005 | ||
0f79675b | 1006 | The INFO parameter is, as far as possible, be pre-initialized with |
7a107747 | 1007 | information obtained from INFO.ABFD or the global defaults. |
0f79675b AC |
1008 | |
1009 | The ARCHES parameter is a linked list (sorted most recently used) | |
1010 | of all the previously created architures for this architecture | |
1011 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1012 | values from the previously selected architecture for this | |
59837fe0 | 1013 | architecture family. |
104c1213 JM |
1014 | |
1015 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1016 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1017 | gdbarch'' from the ARCHES list - indicating that the new |
1018 | architecture is just a synonym for an earlier architecture (see | |
1019 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1020 | - that describes the selected architecture (see gdbarch_alloc()). |
1021 | ||
1022 | The DUMP_TDEP function shall print out all target specific values. | |
1023 | Care should be taken to ensure that the function works in both the | |
1024 | multi-arch and non- multi-arch cases. */ | |
104c1213 JM |
1025 | |
1026 | struct gdbarch_list | |
1027 | { | |
1028 | struct gdbarch *gdbarch; | |
1029 | struct gdbarch_list *next; | |
1030 | }; | |
1031 | ||
1032 | struct gdbarch_info | |
1033 | { | |
104c1213 JM |
1034 | /* Use default: NULL (ZERO). */ |
1035 | const struct bfd_arch_info *bfd_arch_info; | |
1036 | ||
428721aa | 1037 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
104c1213 JM |
1038 | int byte_order; |
1039 | ||
9d4fde75 SS |
1040 | int byte_order_for_code; |
1041 | ||
104c1213 JM |
1042 | /* Use default: NULL (ZERO). */ |
1043 | bfd *abfd; | |
1044 | ||
1045 | /* Use default: NULL (ZERO). */ | |
1046 | struct gdbarch_tdep_info *tdep_info; | |
4be87837 DJ |
1047 | |
1048 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1049 | enum gdb_osabi osabi; | |
424163ea DJ |
1050 | |
1051 | /* Use default: NULL (ZERO). */ | |
1052 | const struct target_desc *target_desc; | |
104c1213 JM |
1053 | }; |
1054 | ||
1055 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1056 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1057 | |
4b9b3959 | 1058 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1059 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1060 | ||
4b9b3959 AC |
1061 | extern void gdbarch_register (enum bfd_architecture architecture, |
1062 | gdbarch_init_ftype *, | |
1063 | gdbarch_dump_tdep_ftype *); | |
1064 | ||
104c1213 | 1065 | |
b4a20239 AC |
1066 | /* Return a freshly allocated, NULL terminated, array of the valid |
1067 | architecture names. Since architectures are registered during the | |
1068 | _initialize phase this function only returns useful information | |
1069 | once initialization has been completed. */ | |
1070 | ||
1071 | extern const char **gdbarch_printable_names (void); | |
1072 | ||
1073 | ||
104c1213 JM |
1074 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
1075 | matches the information provided by INFO. */ | |
1076 | ||
424163ea | 1077 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
104c1213 JM |
1078 | |
1079 | ||
1080 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
424163ea | 1081 | basic initialization using values obtained from the INFO and TDEP |
104c1213 JM |
1082 | parameters. set_gdbarch_*() functions are called to complete the |
1083 | initialization of the object. */ | |
1084 | ||
1085 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1086 | ||
1087 | ||
4b9b3959 AC |
1088 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1089 | It is assumed that the caller freeds the \`\`struct | |
1090 | gdbarch_tdep''. */ | |
1091 | ||
058f20d5 JB |
1092 | extern void gdbarch_free (struct gdbarch *); |
1093 | ||
1094 | ||
aebd7893 AC |
1095 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1096 | obstack. The memory is freed when the corresponding architecture | |
1097 | is also freed. */ | |
1098 | ||
1099 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1100 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1101 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1102 | ||
1103 | ||
b732d07d | 1104 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1105 | |
b732d07d AC |
1106 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1107 | architecture'' et.al., the existing architecture and BFD's default | |
1108 | architecture. INFO should be initialized to zero and then selected | |
1109 | fields should be updated. | |
104c1213 | 1110 | |
16f33e29 AC |
1111 | Returns non-zero if the update succeeds */ |
1112 | ||
1113 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1114 | |
1115 | ||
ebdba546 AC |
1116 | /* Helper function. Find an architecture matching info. |
1117 | ||
1118 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1119 | set, and then finished using gdbarch_info_fill. | |
1120 | ||
1121 | Returns the corresponding architecture, or NULL if no matching | |
59837fe0 | 1122 | architecture was found. */ |
ebdba546 AC |
1123 | |
1124 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1125 | ||
1126 | ||
59837fe0 | 1127 | /* Helper function. Set the global "target_gdbarch" to "gdbarch". |
ebdba546 AC |
1128 | |
1129 | FIXME: kettenis/20031124: Of the functions that follow, only | |
1130 | gdbarch_from_bfd is supposed to survive. The others will | |
1131 | dissappear since in the future GDB will (hopefully) be truly | |
1132 | multi-arch. However, for now we're still stuck with the concept of | |
1133 | a single active architecture. */ | |
1134 | ||
59837fe0 | 1135 | extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch); |
ebdba546 | 1136 | |
104c1213 JM |
1137 | |
1138 | /* Register per-architecture data-pointer. | |
1139 | ||
1140 | Reserve space for a per-architecture data-pointer. An identifier | |
1141 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1142 | be saved in a local static variable. |
104c1213 | 1143 | |
fcc1c85c AC |
1144 | Memory for the per-architecture data shall be allocated using |
1145 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1146 | corresponding architecture object is deleted. | |
104c1213 | 1147 | |
95160752 AC |
1148 | When a previously created architecture is re-selected, the |
1149 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1150 | restored. INIT() is not re-called. |
104c1213 JM |
1151 | |
1152 | Multiple registrarants for any architecture are allowed (and | |
1153 | strongly encouraged). */ | |
1154 | ||
95160752 | 1155 | struct gdbarch_data; |
104c1213 | 1156 | |
030f20e1 AC |
1157 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1158 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1159 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1160 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1161 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1162 | struct gdbarch_data *data, | |
1163 | void *pointer); | |
104c1213 | 1164 | |
451fbdda | 1165 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1166 | |
1167 | ||
0fa6923a | 1168 | /* Set the dynamic target-system-dependent parameters (architecture, |
104c1213 JM |
1169 | byte-order, ...) using information found in the BFD */ |
1170 | ||
1171 | extern void set_gdbarch_from_file (bfd *); | |
1172 | ||
1173 | ||
e514a9d6 JM |
1174 | /* Initialize the current architecture to the "first" one we find on |
1175 | our list. */ | |
1176 | ||
1177 | extern void initialize_current_architecture (void); | |
1178 | ||
104c1213 JM |
1179 | /* gdbarch trace variable */ |
1180 | extern int gdbarch_debug; | |
1181 | ||
4b9b3959 | 1182 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1183 | |
1184 | #endif | |
1185 | EOF | |
1186 | exec 1>&2 | |
1187 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1188 | compare_new gdbarch.h |
104c1213 JM |
1189 | |
1190 | ||
1191 | # | |
1192 | # C file | |
1193 | # | |
1194 | ||
1195 | exec > new-gdbarch.c | |
1196 | copyright | |
1197 | cat <<EOF | |
1198 | ||
1199 | #include "defs.h" | |
7355ddba | 1200 | #include "arch-utils.h" |
104c1213 | 1201 | |
104c1213 | 1202 | #include "gdbcmd.h" |
faaf634c | 1203 | #include "inferior.h" |
104c1213 JM |
1204 | #include "symcat.h" |
1205 | ||
f0d4cc9e | 1206 | #include "floatformat.h" |
104c1213 | 1207 | |
95160752 | 1208 | #include "gdb_assert.h" |
b66d6d2e | 1209 | #include "gdb_string.h" |
b59ff9d5 | 1210 | #include "reggroups.h" |
4be87837 | 1211 | #include "osabi.h" |
aebd7893 | 1212 | #include "gdb_obstack.h" |
383f836e | 1213 | #include "observer.h" |
a3ecef73 | 1214 | #include "regcache.h" |
95160752 | 1215 | |
104c1213 JM |
1216 | /* Static function declarations */ |
1217 | ||
b3cc3077 | 1218 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1219 | |
104c1213 JM |
1220 | /* Non-zero if we want to trace architecture code. */ |
1221 | ||
1222 | #ifndef GDBARCH_DEBUG | |
1223 | #define GDBARCH_DEBUG 0 | |
1224 | #endif | |
1225 | int gdbarch_debug = GDBARCH_DEBUG; | |
920d2a44 AC |
1226 | static void |
1227 | show_gdbarch_debug (struct ui_file *file, int from_tty, | |
1228 | struct cmd_list_element *c, const char *value) | |
1229 | { | |
1230 | fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); | |
1231 | } | |
104c1213 | 1232 | |
456fcf94 | 1233 | static const char * |
8da61cc4 | 1234 | pformat (const struct floatformat **format) |
456fcf94 AC |
1235 | { |
1236 | if (format == NULL) | |
1237 | return "(null)"; | |
1238 | else | |
8da61cc4 DJ |
1239 | /* Just print out one of them - this is only for diagnostics. */ |
1240 | return format[0]->name; | |
456fcf94 AC |
1241 | } |
1242 | ||
104c1213 JM |
1243 | EOF |
1244 | ||
1245 | # gdbarch open the gdbarch object | |
3d9a5942 AC |
1246 | printf "\n" |
1247 | printf "/* Maintain the struct gdbarch object */\n" | |
1248 | printf "\n" | |
1249 | printf "struct gdbarch\n" | |
1250 | printf "{\n" | |
76860b5f AC |
1251 | printf " /* Has this architecture been fully initialized? */\n" |
1252 | printf " int initialized_p;\n" | |
aebd7893 AC |
1253 | printf "\n" |
1254 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1255 | printf " struct obstack *obstack;\n" | |
1256 | printf "\n" | |
3d9a5942 | 1257 | printf " /* basic architectural information */\n" |
34620563 | 1258 | function_list | while do_read |
104c1213 | 1259 | do |
2ada493a AC |
1260 | if class_is_info_p |
1261 | then | |
3d9a5942 | 1262 | printf " ${returntype} ${function};\n" |
2ada493a | 1263 | fi |
104c1213 | 1264 | done |
3d9a5942 AC |
1265 | printf "\n" |
1266 | printf " /* target specific vector. */\n" | |
1267 | printf " struct gdbarch_tdep *tdep;\n" | |
1268 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1269 | printf "\n" | |
1270 | printf " /* per-architecture data-pointers */\n" | |
95160752 | 1271 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1272 | printf " void **data;\n" |
1273 | printf "\n" | |
1274 | printf " /* per-architecture swap-regions */\n" | |
1275 | printf " struct gdbarch_swap *swap;\n" | |
1276 | printf "\n" | |
104c1213 JM |
1277 | cat <<EOF |
1278 | /* Multi-arch values. | |
1279 | ||
1280 | When extending this structure you must: | |
1281 | ||
1282 | Add the field below. | |
1283 | ||
1284 | Declare set/get functions and define the corresponding | |
1285 | macro in gdbarch.h. | |
1286 | ||
1287 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1288 | initialize the new field. | |
1289 | ||
1290 | verify_gdbarch(): Confirm that the target updated the field | |
1291 | correctly. | |
1292 | ||
7e73cedf | 1293 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1294 | field is dumped out |
1295 | ||
c0e8c252 | 1296 | \`\`startup_gdbarch()'': Append an initial value to the static |
104c1213 JM |
1297 | variable (base values on the host's c-type system). |
1298 | ||
1299 | get_gdbarch(): Implement the set/get functions (probably using | |
1300 | the macro's as shortcuts). | |
1301 | ||
1302 | */ | |
1303 | ||
1304 | EOF | |
34620563 | 1305 | function_list | while do_read |
104c1213 | 1306 | do |
2ada493a AC |
1307 | if class_is_variable_p |
1308 | then | |
3d9a5942 | 1309 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1310 | elif class_is_function_p |
1311 | then | |
2f9b146e | 1312 | printf " gdbarch_${function}_ftype *${function};\n" |
2ada493a | 1313 | fi |
104c1213 | 1314 | done |
3d9a5942 | 1315 | printf "};\n" |
104c1213 JM |
1316 | |
1317 | # A pre-initialized vector | |
3d9a5942 AC |
1318 | printf "\n" |
1319 | printf "\n" | |
104c1213 JM |
1320 | cat <<EOF |
1321 | /* The default architecture uses host values (for want of a better | |
1322 | choice). */ | |
1323 | EOF | |
3d9a5942 AC |
1324 | printf "\n" |
1325 | printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n" | |
1326 | printf "\n" | |
1327 | printf "struct gdbarch startup_gdbarch =\n" | |
1328 | printf "{\n" | |
76860b5f | 1329 | printf " 1, /* Always initialized. */\n" |
aebd7893 | 1330 | printf " NULL, /* The obstack. */\n" |
3d9a5942 | 1331 | printf " /* basic architecture information */\n" |
4b9b3959 | 1332 | function_list | while do_read |
104c1213 | 1333 | do |
2ada493a AC |
1334 | if class_is_info_p |
1335 | then | |
ec5cbaec | 1336 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1337 | fi |
104c1213 JM |
1338 | done |
1339 | cat <<EOF | |
4b9b3959 AC |
1340 | /* target specific vector and its dump routine */ |
1341 | NULL, NULL, | |
104c1213 JM |
1342 | /*per-architecture data-pointers and swap regions */ |
1343 | 0, NULL, NULL, | |
1344 | /* Multi-arch values */ | |
1345 | EOF | |
34620563 | 1346 | function_list | while do_read |
104c1213 | 1347 | do |
2ada493a AC |
1348 | if class_is_function_p || class_is_variable_p |
1349 | then | |
ec5cbaec | 1350 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1351 | fi |
104c1213 JM |
1352 | done |
1353 | cat <<EOF | |
c0e8c252 | 1354 | /* startup_gdbarch() */ |
104c1213 | 1355 | }; |
4b9b3959 | 1356 | |
1cf3db46 | 1357 | struct gdbarch *target_gdbarch = &startup_gdbarch; |
104c1213 JM |
1358 | EOF |
1359 | ||
1360 | # Create a new gdbarch struct | |
104c1213 | 1361 | cat <<EOF |
7de2341d | 1362 | |
66b43ecb | 1363 | /* Create a new \`\`struct gdbarch'' based on information provided by |
104c1213 JM |
1364 | \`\`struct gdbarch_info''. */ |
1365 | EOF | |
3d9a5942 | 1366 | printf "\n" |
104c1213 JM |
1367 | cat <<EOF |
1368 | struct gdbarch * | |
1369 | gdbarch_alloc (const struct gdbarch_info *info, | |
1370 | struct gdbarch_tdep *tdep) | |
1371 | { | |
be7811ad | 1372 | struct gdbarch *gdbarch; |
aebd7893 AC |
1373 | |
1374 | /* Create an obstack for allocating all the per-architecture memory, | |
1375 | then use that to allocate the architecture vector. */ | |
1376 | struct obstack *obstack = XMALLOC (struct obstack); | |
1377 | obstack_init (obstack); | |
be7811ad MD |
1378 | gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
1379 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1380 | gdbarch->obstack = obstack; | |
85de9627 | 1381 | |
be7811ad | 1382 | alloc_gdbarch_data (gdbarch); |
85de9627 | 1383 | |
be7811ad | 1384 | gdbarch->tdep = tdep; |
104c1213 | 1385 | EOF |
3d9a5942 | 1386 | printf "\n" |
34620563 | 1387 | function_list | while do_read |
104c1213 | 1388 | do |
2ada493a AC |
1389 | if class_is_info_p |
1390 | then | |
be7811ad | 1391 | printf " gdbarch->${function} = info->${function};\n" |
2ada493a | 1392 | fi |
104c1213 | 1393 | done |
3d9a5942 AC |
1394 | printf "\n" |
1395 | printf " /* Force the explicit initialization of these. */\n" | |
34620563 | 1396 | function_list | while do_read |
104c1213 | 1397 | do |
2ada493a AC |
1398 | if class_is_function_p || class_is_variable_p |
1399 | then | |
72e74a21 | 1400 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1401 | then |
be7811ad | 1402 | printf " gdbarch->${function} = ${predefault};\n" |
104c1213 | 1403 | fi |
2ada493a | 1404 | fi |
104c1213 JM |
1405 | done |
1406 | cat <<EOF | |
1407 | /* gdbarch_alloc() */ | |
1408 | ||
be7811ad | 1409 | return gdbarch; |
104c1213 JM |
1410 | } |
1411 | EOF | |
1412 | ||
058f20d5 | 1413 | # Free a gdbarch struct. |
3d9a5942 AC |
1414 | printf "\n" |
1415 | printf "\n" | |
058f20d5 | 1416 | cat <<EOF |
aebd7893 AC |
1417 | /* Allocate extra space using the per-architecture obstack. */ |
1418 | ||
1419 | void * | |
1420 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1421 | { | |
1422 | void *data = obstack_alloc (arch->obstack, size); | |
1423 | memset (data, 0, size); | |
1424 | return data; | |
1425 | } | |
1426 | ||
1427 | ||
058f20d5 JB |
1428 | /* Free a gdbarch struct. This should never happen in normal |
1429 | operation --- once you've created a gdbarch, you keep it around. | |
1430 | However, if an architecture's init function encounters an error | |
1431 | building the structure, it may need to clean up a partially | |
1432 | constructed gdbarch. */ | |
4b9b3959 | 1433 | |
058f20d5 JB |
1434 | void |
1435 | gdbarch_free (struct gdbarch *arch) | |
1436 | { | |
aebd7893 | 1437 | struct obstack *obstack; |
95160752 | 1438 | gdb_assert (arch != NULL); |
aebd7893 AC |
1439 | gdb_assert (!arch->initialized_p); |
1440 | obstack = arch->obstack; | |
1441 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1442 | xfree (obstack); | |
058f20d5 JB |
1443 | } |
1444 | EOF | |
1445 | ||
104c1213 | 1446 | # verify a new architecture |
104c1213 | 1447 | cat <<EOF |
db446970 AC |
1448 | |
1449 | ||
1450 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1451 | ||
104c1213 | 1452 | static void |
be7811ad | 1453 | verify_gdbarch (struct gdbarch *gdbarch) |
104c1213 | 1454 | { |
f16a1923 AC |
1455 | struct ui_file *log; |
1456 | struct cleanup *cleanups; | |
759ef836 | 1457 | long length; |
f16a1923 | 1458 | char *buf; |
f16a1923 AC |
1459 | log = mem_fileopen (); |
1460 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1461 | /* fundamental */ |
be7811ad | 1462 | if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1463 | fprintf_unfiltered (log, "\n\tbyte-order"); |
be7811ad | 1464 | if (gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1465 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
104c1213 JM |
1466 | /* Check those that need to be defined for the given multi-arch level. */ |
1467 | EOF | |
34620563 | 1468 | function_list | while do_read |
104c1213 | 1469 | do |
2ada493a AC |
1470 | if class_is_function_p || class_is_variable_p |
1471 | then | |
72e74a21 | 1472 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1473 | then |
3d9a5942 | 1474 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1475 | elif class_is_predicate_p |
1476 | then | |
3d9a5942 | 1477 | printf " /* Skip verify of ${function}, has predicate */\n" |
f0d4cc9e | 1478 | # FIXME: See do_read for potential simplification |
72e74a21 | 1479 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1480 | then |
3d9a5942 | 1481 | printf " if (${invalid_p})\n" |
be7811ad | 1482 | printf " gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1483 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1484 | then |
be7811ad MD |
1485 | printf " if (gdbarch->${function} == ${predefault})\n" |
1486 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1487 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1488 | then |
be7811ad MD |
1489 | printf " if (gdbarch->${function} == 0)\n" |
1490 | printf " gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1491 | elif [ -n "${invalid_p}" ] |
104c1213 | 1492 | then |
4d60522e | 1493 | printf " if (${invalid_p})\n" |
f16a1923 | 1494 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1495 | elif [ -n "${predefault}" ] |
104c1213 | 1496 | then |
be7811ad | 1497 | printf " if (gdbarch->${function} == ${predefault})\n" |
f16a1923 | 1498 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1499 | fi |
2ada493a | 1500 | fi |
104c1213 JM |
1501 | done |
1502 | cat <<EOF | |
759ef836 | 1503 | buf = ui_file_xstrdup (log, &length); |
f16a1923 | 1504 | make_cleanup (xfree, buf); |
759ef836 | 1505 | if (length > 0) |
f16a1923 | 1506 | internal_error (__FILE__, __LINE__, |
85c07804 | 1507 | _("verify_gdbarch: the following are invalid ...%s"), |
f16a1923 AC |
1508 | buf); |
1509 | do_cleanups (cleanups); | |
104c1213 JM |
1510 | } |
1511 | EOF | |
1512 | ||
1513 | # dump the structure | |
3d9a5942 AC |
1514 | printf "\n" |
1515 | printf "\n" | |
104c1213 | 1516 | cat <<EOF |
4b9b3959 AC |
1517 | /* Print out the details of the current architecture. */ |
1518 | ||
104c1213 | 1519 | void |
be7811ad | 1520 | gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
104c1213 | 1521 | { |
b78960be | 1522 | const char *gdb_nm_file = "<not-defined>"; |
b78960be AC |
1523 | #if defined (GDB_NM_FILE) |
1524 | gdb_nm_file = GDB_NM_FILE; | |
1525 | #endif | |
1526 | fprintf_unfiltered (file, | |
1527 | "gdbarch_dump: GDB_NM_FILE = %s\\n", | |
1528 | gdb_nm_file); | |
104c1213 | 1529 | EOF |
97030eea | 1530 | function_list | sort -t: -k 3 | while do_read |
104c1213 | 1531 | do |
1e9f55d0 AC |
1532 | # First the predicate |
1533 | if class_is_predicate_p | |
1534 | then | |
7996bcec | 1535 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1536 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
be7811ad | 1537 | printf " gdbarch_${function}_p (gdbarch));\n" |
08e45a40 | 1538 | fi |
48f7351b | 1539 | # Print the corresponding value. |
283354d8 | 1540 | if class_is_function_p |
4b9b3959 | 1541 | then |
7996bcec | 1542 | printf " fprintf_unfiltered (file,\n" |
30737ed9 JB |
1543 | printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
1544 | printf " host_address_to_string (gdbarch->${function}));\n" | |
4b9b3959 | 1545 | else |
48f7351b | 1546 | # It is a variable |
2f9b146e AC |
1547 | case "${print}:${returntype}" in |
1548 | :CORE_ADDR ) | |
0b1553bc UW |
1549 | fmt="%s" |
1550 | print="core_addr_to_string_nz (gdbarch->${function})" | |
48f7351b | 1551 | ;; |
2f9b146e | 1552 | :* ) |
48f7351b | 1553 | fmt="%s" |
623d3eb1 | 1554 | print="plongest (gdbarch->${function})" |
48f7351b AC |
1555 | ;; |
1556 | * ) | |
2f9b146e | 1557 | fmt="%s" |
48f7351b AC |
1558 | ;; |
1559 | esac | |
3d9a5942 | 1560 | printf " fprintf_unfiltered (file,\n" |
48f7351b | 1561 | printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
3d9a5942 | 1562 | printf " ${print});\n" |
2ada493a | 1563 | fi |
104c1213 | 1564 | done |
381323f4 | 1565 | cat <<EOF |
be7811ad MD |
1566 | if (gdbarch->dump_tdep != NULL) |
1567 | gdbarch->dump_tdep (gdbarch, file); | |
381323f4 AC |
1568 | } |
1569 | EOF | |
104c1213 JM |
1570 | |
1571 | ||
1572 | # GET/SET | |
3d9a5942 | 1573 | printf "\n" |
104c1213 JM |
1574 | cat <<EOF |
1575 | struct gdbarch_tdep * | |
1576 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1577 | { | |
1578 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1579 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1580 | return gdbarch->tdep; |
1581 | } | |
1582 | EOF | |
3d9a5942 | 1583 | printf "\n" |
34620563 | 1584 | function_list | while do_read |
104c1213 | 1585 | do |
2ada493a AC |
1586 | if class_is_predicate_p |
1587 | then | |
3d9a5942 AC |
1588 | printf "\n" |
1589 | printf "int\n" | |
1590 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1591 | printf "{\n" | |
8de9bdc4 | 1592 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1593 | printf " return ${predicate};\n" |
3d9a5942 | 1594 | printf "}\n" |
2ada493a AC |
1595 | fi |
1596 | if class_is_function_p | |
1597 | then | |
3d9a5942 AC |
1598 | printf "\n" |
1599 | printf "${returntype}\n" | |
72e74a21 | 1600 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1601 | then |
3d9a5942 | 1602 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1603 | else |
3d9a5942 | 1604 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1605 | fi |
3d9a5942 | 1606 | printf "{\n" |
8de9bdc4 | 1607 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1608 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1609 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1610 | then |
1611 | # Allow a call to a function with a predicate. | |
956ac328 | 1612 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1613 | fi |
3d9a5942 AC |
1614 | printf " if (gdbarch_debug >= 2)\n" |
1615 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1616 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1617 | then |
1618 | if class_is_multiarch_p | |
1619 | then | |
1620 | params="gdbarch" | |
1621 | else | |
1622 | params="" | |
1623 | fi | |
1624 | else | |
1625 | if class_is_multiarch_p | |
1626 | then | |
1627 | params="gdbarch, ${actual}" | |
1628 | else | |
1629 | params="${actual}" | |
1630 | fi | |
1631 | fi | |
72e74a21 | 1632 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1633 | then |
4a5c6a1d | 1634 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1635 | else |
4a5c6a1d | 1636 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1637 | fi |
3d9a5942 AC |
1638 | printf "}\n" |
1639 | printf "\n" | |
1640 | printf "void\n" | |
1641 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1642 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1643 | printf "{\n" | |
1644 | printf " gdbarch->${function} = ${function};\n" | |
1645 | printf "}\n" | |
2ada493a AC |
1646 | elif class_is_variable_p |
1647 | then | |
3d9a5942 AC |
1648 | printf "\n" |
1649 | printf "${returntype}\n" | |
1650 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1651 | printf "{\n" | |
8de9bdc4 | 1652 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1653 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1654 | then |
3d9a5942 | 1655 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1656 | elif [ -n "${invalid_p}" ] |
104c1213 | 1657 | then |
956ac328 AC |
1658 | printf " /* Check variable is valid. */\n" |
1659 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1660 | elif [ -n "${predefault}" ] |
104c1213 | 1661 | then |
956ac328 AC |
1662 | printf " /* Check variable changed from pre-default. */\n" |
1663 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1664 | fi |
3d9a5942 AC |
1665 | printf " if (gdbarch_debug >= 2)\n" |
1666 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1667 | printf " return gdbarch->${function};\n" | |
1668 | printf "}\n" | |
1669 | printf "\n" | |
1670 | printf "void\n" | |
1671 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1672 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
1673 | printf "{\n" | |
1674 | printf " gdbarch->${function} = ${function};\n" | |
1675 | printf "}\n" | |
2ada493a AC |
1676 | elif class_is_info_p |
1677 | then | |
3d9a5942 AC |
1678 | printf "\n" |
1679 | printf "${returntype}\n" | |
1680 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1681 | printf "{\n" | |
8de9bdc4 | 1682 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
1683 | printf " if (gdbarch_debug >= 2)\n" |
1684 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1685 | printf " return gdbarch->${function};\n" | |
1686 | printf "}\n" | |
2ada493a | 1687 | fi |
104c1213 JM |
1688 | done |
1689 | ||
1690 | # All the trailing guff | |
1691 | cat <<EOF | |
1692 | ||
1693 | ||
f44c642f | 1694 | /* Keep a registry of per-architecture data-pointers required by GDB |
104c1213 JM |
1695 | modules. */ |
1696 | ||
1697 | struct gdbarch_data | |
1698 | { | |
95160752 | 1699 | unsigned index; |
76860b5f | 1700 | int init_p; |
030f20e1 AC |
1701 | gdbarch_data_pre_init_ftype *pre_init; |
1702 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
1703 | }; |
1704 | ||
1705 | struct gdbarch_data_registration | |
1706 | { | |
104c1213 JM |
1707 | struct gdbarch_data *data; |
1708 | struct gdbarch_data_registration *next; | |
1709 | }; | |
1710 | ||
f44c642f | 1711 | struct gdbarch_data_registry |
104c1213 | 1712 | { |
95160752 | 1713 | unsigned nr; |
104c1213 JM |
1714 | struct gdbarch_data_registration *registrations; |
1715 | }; | |
1716 | ||
f44c642f | 1717 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
1718 | { |
1719 | 0, NULL, | |
1720 | }; | |
1721 | ||
030f20e1 AC |
1722 | static struct gdbarch_data * |
1723 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
1724 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
1725 | { |
1726 | struct gdbarch_data_registration **curr; | |
76860b5f | 1727 | /* Append the new registraration. */ |
f44c642f | 1728 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
1729 | (*curr) != NULL; |
1730 | curr = &(*curr)->next); | |
1731 | (*curr) = XMALLOC (struct gdbarch_data_registration); | |
1732 | (*curr)->next = NULL; | |
104c1213 | 1733 | (*curr)->data = XMALLOC (struct gdbarch_data); |
f44c642f | 1734 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
1735 | (*curr)->data->pre_init = pre_init; |
1736 | (*curr)->data->post_init = post_init; | |
76860b5f | 1737 | (*curr)->data->init_p = 1; |
104c1213 JM |
1738 | return (*curr)->data; |
1739 | } | |
1740 | ||
030f20e1 AC |
1741 | struct gdbarch_data * |
1742 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
1743 | { | |
1744 | return gdbarch_data_register (pre_init, NULL); | |
1745 | } | |
1746 | ||
1747 | struct gdbarch_data * | |
1748 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
1749 | { | |
1750 | return gdbarch_data_register (NULL, post_init); | |
1751 | } | |
104c1213 | 1752 | |
b3cc3077 | 1753 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
1754 | |
1755 | static void | |
b3cc3077 | 1756 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 1757 | { |
b3cc3077 JB |
1758 | gdb_assert (gdbarch->data == NULL); |
1759 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 1760 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 1761 | } |
3c875b6f | 1762 | |
76860b5f | 1763 | /* Initialize the current value of the specified per-architecture |
b3cc3077 JB |
1764 | data-pointer. */ |
1765 | ||
95160752 | 1766 | void |
030f20e1 AC |
1767 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
1768 | struct gdbarch_data *data, | |
1769 | void *pointer) | |
95160752 AC |
1770 | { |
1771 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 1772 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 1773 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
1774 | gdbarch->data[data->index] = pointer; |
1775 | } | |
1776 | ||
104c1213 JM |
1777 | /* Return the current value of the specified per-architecture |
1778 | data-pointer. */ | |
1779 | ||
1780 | void * | |
451fbdda | 1781 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 1782 | { |
451fbdda | 1783 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 1784 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 1785 | { |
030f20e1 AC |
1786 | /* The data-pointer isn't initialized, call init() to get a |
1787 | value. */ | |
1788 | if (data->pre_init != NULL) | |
1789 | /* Mid architecture creation: pass just the obstack, and not | |
1790 | the entire architecture, as that way it isn't possible for | |
1791 | pre-init code to refer to undefined architecture | |
1792 | fields. */ | |
1793 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
1794 | else if (gdbarch->initialized_p | |
1795 | && data->post_init != NULL) | |
1796 | /* Post architecture creation: pass the entire architecture | |
1797 | (as all fields are valid), but be careful to also detect | |
1798 | recursive references. */ | |
1799 | { | |
1800 | gdb_assert (data->init_p); | |
1801 | data->init_p = 0; | |
1802 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
1803 | data->init_p = 1; | |
1804 | } | |
1805 | else | |
1806 | /* The architecture initialization hasn't completed - punt - | |
1807 | hope that the caller knows what they are doing. Once | |
1808 | deprecated_set_gdbarch_data has been initialized, this can be | |
1809 | changed to an internal error. */ | |
1810 | return NULL; | |
76860b5f AC |
1811 | gdb_assert (gdbarch->data[data->index] != NULL); |
1812 | } | |
451fbdda | 1813 | return gdbarch->data[data->index]; |
104c1213 JM |
1814 | } |
1815 | ||
1816 | ||
f44c642f | 1817 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 1818 | |
4b9b3959 | 1819 | struct gdbarch_registration |
104c1213 JM |
1820 | { |
1821 | enum bfd_architecture bfd_architecture; | |
1822 | gdbarch_init_ftype *init; | |
4b9b3959 | 1823 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 1824 | struct gdbarch_list *arches; |
4b9b3959 | 1825 | struct gdbarch_registration *next; |
104c1213 JM |
1826 | }; |
1827 | ||
f44c642f | 1828 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 1829 | |
b4a20239 AC |
1830 | static void |
1831 | append_name (const char ***buf, int *nr, const char *name) | |
1832 | { | |
1833 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
1834 | (*buf)[*nr] = name; | |
1835 | *nr += 1; | |
1836 | } | |
1837 | ||
1838 | const char ** | |
1839 | gdbarch_printable_names (void) | |
1840 | { | |
7996bcec AC |
1841 | /* Accumulate a list of names based on the registed list of |
1842 | architectures. */ | |
1843 | enum bfd_architecture a; | |
1844 | int nr_arches = 0; | |
1845 | const char **arches = NULL; | |
1846 | struct gdbarch_registration *rego; | |
1847 | for (rego = gdbarch_registry; | |
1848 | rego != NULL; | |
1849 | rego = rego->next) | |
b4a20239 | 1850 | { |
7996bcec AC |
1851 | const struct bfd_arch_info *ap; |
1852 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
1853 | if (ap == NULL) | |
1854 | internal_error (__FILE__, __LINE__, | |
85c07804 | 1855 | _("gdbarch_architecture_names: multi-arch unknown")); |
7996bcec AC |
1856 | do |
1857 | { | |
1858 | append_name (&arches, &nr_arches, ap->printable_name); | |
1859 | ap = ap->next; | |
1860 | } | |
1861 | while (ap != NULL); | |
b4a20239 | 1862 | } |
7996bcec AC |
1863 | append_name (&arches, &nr_arches, NULL); |
1864 | return arches; | |
b4a20239 AC |
1865 | } |
1866 | ||
1867 | ||
104c1213 | 1868 | void |
4b9b3959 AC |
1869 | gdbarch_register (enum bfd_architecture bfd_architecture, |
1870 | gdbarch_init_ftype *init, | |
1871 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 1872 | { |
4b9b3959 | 1873 | struct gdbarch_registration **curr; |
104c1213 | 1874 | const struct bfd_arch_info *bfd_arch_info; |
ec3d358c | 1875 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
1876 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
1877 | if (bfd_arch_info == NULL) | |
1878 | { | |
8e65ff28 | 1879 | internal_error (__FILE__, __LINE__, |
85c07804 | 1880 | _("gdbarch: Attempt to register unknown architecture (%d)"), |
8e65ff28 | 1881 | bfd_architecture); |
104c1213 JM |
1882 | } |
1883 | /* Check that we haven't seen this architecture before */ | |
f44c642f | 1884 | for (curr = &gdbarch_registry; |
104c1213 JM |
1885 | (*curr) != NULL; |
1886 | curr = &(*curr)->next) | |
1887 | { | |
1888 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 | 1889 | internal_error (__FILE__, __LINE__, |
85c07804 | 1890 | _("gdbarch: Duplicate registraration of architecture (%s)"), |
8e65ff28 | 1891 | bfd_arch_info->printable_name); |
104c1213 JM |
1892 | } |
1893 | /* log it */ | |
1894 | if (gdbarch_debug) | |
30737ed9 | 1895 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
104c1213 | 1896 | bfd_arch_info->printable_name, |
30737ed9 | 1897 | host_address_to_string (init)); |
104c1213 | 1898 | /* Append it */ |
4b9b3959 | 1899 | (*curr) = XMALLOC (struct gdbarch_registration); |
104c1213 JM |
1900 | (*curr)->bfd_architecture = bfd_architecture; |
1901 | (*curr)->init = init; | |
4b9b3959 | 1902 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
1903 | (*curr)->arches = NULL; |
1904 | (*curr)->next = NULL; | |
4b9b3959 AC |
1905 | } |
1906 | ||
1907 | void | |
1908 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
1909 | gdbarch_init_ftype *init) | |
1910 | { | |
1911 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 1912 | } |
104c1213 JM |
1913 | |
1914 | ||
424163ea | 1915 | /* Look for an architecture using gdbarch_info. */ |
104c1213 JM |
1916 | |
1917 | struct gdbarch_list * | |
1918 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
1919 | const struct gdbarch_info *info) | |
1920 | { | |
1921 | for (; arches != NULL; arches = arches->next) | |
1922 | { | |
1923 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
1924 | continue; | |
1925 | if (info->byte_order != arches->gdbarch->byte_order) | |
1926 | continue; | |
4be87837 DJ |
1927 | if (info->osabi != arches->gdbarch->osabi) |
1928 | continue; | |
424163ea DJ |
1929 | if (info->target_desc != arches->gdbarch->target_desc) |
1930 | continue; | |
104c1213 JM |
1931 | return arches; |
1932 | } | |
1933 | return NULL; | |
1934 | } | |
1935 | ||
1936 | ||
ebdba546 | 1937 | /* Find an architecture that matches the specified INFO. Create a new |
59837fe0 | 1938 | architecture if needed. Return that new architecture. */ |
104c1213 | 1939 | |
59837fe0 UW |
1940 | struct gdbarch * |
1941 | gdbarch_find_by_info (struct gdbarch_info info) | |
104c1213 JM |
1942 | { |
1943 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 1944 | struct gdbarch_registration *rego; |
104c1213 | 1945 | |
b732d07d | 1946 | /* Fill in missing parts of the INFO struct using a number of |
7a107747 DJ |
1947 | sources: "set ..."; INFOabfd supplied; and the global |
1948 | defaults. */ | |
1949 | gdbarch_info_fill (&info); | |
4be87837 | 1950 | |
b732d07d AC |
1951 | /* Must have found some sort of architecture. */ |
1952 | gdb_assert (info.bfd_arch_info != NULL); | |
104c1213 JM |
1953 | |
1954 | if (gdbarch_debug) | |
1955 | { | |
1956 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 1957 | "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
1958 | (info.bfd_arch_info != NULL |
1959 | ? info.bfd_arch_info->printable_name | |
1960 | : "(null)")); | |
1961 | fprintf_unfiltered (gdb_stdlog, | |
59837fe0 | 1962 | "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
104c1213 | 1963 | info.byte_order, |
d7449b42 | 1964 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 1965 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 1966 | : "default")); |
4be87837 | 1967 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 1968 | "gdbarch_find_by_info: info.osabi %d (%s)\n", |
4be87837 | 1969 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 1970 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 1971 | "gdbarch_find_by_info: info.abfd %s\n", |
30737ed9 | 1972 | host_address_to_string (info.abfd)); |
104c1213 | 1973 | fprintf_unfiltered (gdb_stdlog, |
59837fe0 | 1974 | "gdbarch_find_by_info: info.tdep_info %s\n", |
30737ed9 | 1975 | host_address_to_string (info.tdep_info)); |
104c1213 JM |
1976 | } |
1977 | ||
ebdba546 | 1978 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
1979 | for (rego = gdbarch_registry; |
1980 | rego != NULL; | |
1981 | rego = rego->next) | |
1982 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
1983 | break; | |
1984 | if (rego == NULL) | |
1985 | { | |
1986 | if (gdbarch_debug) | |
59837fe0 | 1987 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 | 1988 | "No matching architecture\n"); |
b732d07d AC |
1989 | return 0; |
1990 | } | |
1991 | ||
ebdba546 | 1992 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
1993 | new_gdbarch = rego->init (info, rego->arches); |
1994 | ||
ebdba546 AC |
1995 | /* Did the tdep code like it? No. Reject the change and revert to |
1996 | the old architecture. */ | |
104c1213 JM |
1997 | if (new_gdbarch == NULL) |
1998 | { | |
1999 | if (gdbarch_debug) | |
59837fe0 | 2000 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
ebdba546 AC |
2001 | "Target rejected architecture\n"); |
2002 | return NULL; | |
104c1213 JM |
2003 | } |
2004 | ||
ebdba546 AC |
2005 | /* Is this a pre-existing architecture (as determined by already |
2006 | being initialized)? Move it to the front of the architecture | |
2007 | list (keeping the list sorted Most Recently Used). */ | |
2008 | if (new_gdbarch->initialized_p) | |
104c1213 | 2009 | { |
ebdba546 AC |
2010 | struct gdbarch_list **list; |
2011 | struct gdbarch_list *this; | |
104c1213 | 2012 | if (gdbarch_debug) |
59837fe0 | 2013 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2014 | "Previous architecture %s (%s) selected\n", |
2015 | host_address_to_string (new_gdbarch), | |
104c1213 | 2016 | new_gdbarch->bfd_arch_info->printable_name); |
ebdba546 AC |
2017 | /* Find the existing arch in the list. */ |
2018 | for (list = ®o->arches; | |
2019 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2020 | list = &(*list)->next); | |
2021 | /* It had better be in the list of architectures. */ | |
2022 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2023 | /* Unlink THIS. */ | |
2024 | this = (*list); | |
2025 | (*list) = this->next; | |
2026 | /* Insert THIS at the front. */ | |
2027 | this->next = rego->arches; | |
2028 | rego->arches = this; | |
2029 | /* Return it. */ | |
2030 | return new_gdbarch; | |
104c1213 JM |
2031 | } |
2032 | ||
ebdba546 AC |
2033 | /* It's a new architecture. */ |
2034 | if (gdbarch_debug) | |
59837fe0 | 2035 | fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
30737ed9 JB |
2036 | "New architecture %s (%s) selected\n", |
2037 | host_address_to_string (new_gdbarch), | |
ebdba546 AC |
2038 | new_gdbarch->bfd_arch_info->printable_name); |
2039 | ||
2040 | /* Insert the new architecture into the front of the architecture | |
2041 | list (keep the list sorted Most Recently Used). */ | |
0f79675b AC |
2042 | { |
2043 | struct gdbarch_list *this = XMALLOC (struct gdbarch_list); | |
2044 | this->next = rego->arches; | |
2045 | this->gdbarch = new_gdbarch; | |
2046 | rego->arches = this; | |
2047 | } | |
104c1213 | 2048 | |
4b9b3959 AC |
2049 | /* Check that the newly installed architecture is valid. Plug in |
2050 | any post init values. */ | |
2051 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2052 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2053 | new_gdbarch->initialized_p = 1; |
104c1213 | 2054 | |
4b9b3959 | 2055 | if (gdbarch_debug) |
ebdba546 AC |
2056 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2057 | ||
2058 | return new_gdbarch; | |
2059 | } | |
2060 | ||
e487cc15 | 2061 | /* Make the specified architecture current. */ |
ebdba546 AC |
2062 | |
2063 | void | |
59837fe0 | 2064 | deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch) |
ebdba546 AC |
2065 | { |
2066 | gdb_assert (new_gdbarch != NULL); | |
ebdba546 | 2067 | gdb_assert (new_gdbarch->initialized_p); |
1cf3db46 | 2068 | target_gdbarch = new_gdbarch; |
383f836e | 2069 | observer_notify_architecture_changed (new_gdbarch); |
a3ecef73 | 2070 | registers_changed (); |
ebdba546 | 2071 | } |
104c1213 | 2072 | |
104c1213 | 2073 | extern void _initialize_gdbarch (void); |
b4a20239 | 2074 | |
104c1213 | 2075 | void |
34620563 | 2076 | _initialize_gdbarch (void) |
104c1213 | 2077 | { |
59233f88 AC |
2078 | struct cmd_list_element *c; |
2079 | ||
85c07804 AC |
2080 | add_setshow_zinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
2081 | Set architecture debugging."), _("\\ | |
2082 | Show architecture debugging."), _("\\ | |
2083 | When non-zero, architecture debugging is enabled."), | |
2084 | NULL, | |
920d2a44 | 2085 | show_gdbarch_debug, |
85c07804 | 2086 | &setdebuglist, &showdebuglist); |
104c1213 JM |
2087 | } |
2088 | EOF | |
2089 | ||
2090 | # close things off | |
2091 | exec 1>&2 | |
2092 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2093 | compare_new gdbarch.c |