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66b43ecb | 1 | #!/bin/sh -u |
104c1213 JM |
2 | |
3 | # Architecture commands for GDB, the GNU debugger. | |
79d45cd4 AC |
4 | # |
5 | # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software | |
6 | # Foundation, Inc. | |
7 | # | |
104c1213 JM |
8 | # |
9 | # This file is part of GDB. | |
10 | # | |
11 | # This program is free software; you can redistribute it and/or modify | |
12 | # it under the terms of the GNU General Public License as published by | |
13 | # the Free Software Foundation; either version 2 of the License, or | |
14 | # (at your option) any later version. | |
15 | # | |
16 | # This program is distributed in the hope that it will be useful, | |
17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | # GNU General Public License for more details. | |
20 | # | |
21 | # You should have received a copy of the GNU General Public License | |
22 | # along with this program; if not, write to the Free Software | |
23 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
24 | ||
d8864532 AC |
25 | # Make certain that the script is running in an internationalized |
26 | # environment. | |
27 | LANG=c ; export LANG | |
1bd316f0 | 28 | LC_ALL=c ; export LC_ALL |
d8864532 AC |
29 | |
30 | ||
59233f88 AC |
31 | compare_new () |
32 | { | |
33 | file=$1 | |
66b43ecb | 34 | if test ! -r ${file} |
59233f88 AC |
35 | then |
36 | echo "${file} missing? cp new-${file} ${file}" 1>&2 | |
50248794 | 37 | elif diff -u ${file} new-${file} |
59233f88 AC |
38 | then |
39 | echo "${file} unchanged" 1>&2 | |
40 | else | |
41 | echo "${file} has changed? cp new-${file} ${file}" 1>&2 | |
42 | fi | |
43 | } | |
44 | ||
45 | ||
46 | # Format of the input table | |
57010b1c | 47 | read="class macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description" |
c0e8c252 AC |
48 | |
49 | do_read () | |
50 | { | |
34620563 AC |
51 | comment="" |
52 | class="" | |
53 | while read line | |
54 | do | |
55 | if test "${line}" = "" | |
56 | then | |
57 | continue | |
58 | elif test "${line}" = "#" -a "${comment}" = "" | |
f0d4cc9e | 59 | then |
34620563 AC |
60 | continue |
61 | elif expr "${line}" : "#" > /dev/null | |
f0d4cc9e | 62 | then |
34620563 AC |
63 | comment="${comment} |
64 | ${line}" | |
f0d4cc9e | 65 | else |
3d9a5942 AC |
66 | |
67 | # The semantics of IFS varies between different SH's. Some | |
68 | # treat ``::' as three fields while some treat it as just too. | |
69 | # Work around this by eliminating ``::'' .... | |
70 | line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`" | |
71 | ||
72 | OFS="${IFS}" ; IFS="[:]" | |
34620563 AC |
73 | eval read ${read} <<EOF |
74 | ${line} | |
75 | EOF | |
76 | IFS="${OFS}" | |
77 | ||
3d9a5942 AC |
78 | # .... and then going back through each field and strip out those |
79 | # that ended up with just that space character. | |
80 | for r in ${read} | |
81 | do | |
82 | if eval test \"\${${r}}\" = \"\ \" | |
83 | then | |
84 | eval ${r}="" | |
85 | fi | |
86 | done | |
87 | ||
68908a3e AC |
88 | # Check that macro definition wasn't supplied for multi-arch |
89 | case "${class}" in | |
90 | [mM] ) | |
91 | if test "${macro}" != "" | |
92 | then | |
93 | echo "${macro}: Multi-arch yet macro" 1>&2 | |
94 | kill $$ | |
95 | exit 1 | |
96 | fi | |
97 | esac | |
98 | ||
a72293e2 AC |
99 | case "${class}" in |
100 | m ) staticdefault="${predefault}" ;; | |
101 | M ) staticdefault="0" ;; | |
102 | * ) test "${staticdefault}" || staticdefault=0 ;; | |
103 | esac | |
06b25f14 AC |
104 | |
105 | # come up with a format, use a few guesses for variables | |
106 | case ":${class}:${fmt}:${print}:" in | |
107 | :[vV]::: ) | |
108 | if [ "${returntype}" = int ] | |
109 | then | |
110 | fmt="%d" | |
111 | print="${macro}" | |
112 | elif [ "${returntype}" = long ] | |
113 | then | |
114 | fmt="%ld" | |
115 | print="${macro}" | |
116 | fi | |
117 | ;; | |
118 | esac | |
34620563 AC |
119 | test "${fmt}" || fmt="%ld" |
120 | test "${print}" || print="(long) ${macro}" | |
06b25f14 | 121 | |
ae45cd16 AC |
122 | case "${class}" in |
123 | F | V | M ) | |
124 | case "${invalid_p}" in | |
34620563 | 125 | "" ) |
f7968451 | 126 | if test -n "${predefault}" |
34620563 AC |
127 | then |
128 | #invalid_p="gdbarch->${function} == ${predefault}" | |
ae45cd16 | 129 | predicate="gdbarch->${function} != ${predefault}" |
f7968451 AC |
130 | elif class_is_variable_p |
131 | then | |
132 | predicate="gdbarch->${function} != 0" | |
133 | elif class_is_function_p | |
134 | then | |
135 | predicate="gdbarch->${function} != NULL" | |
34620563 AC |
136 | fi |
137 | ;; | |
ae45cd16 | 138 | * ) |
1e9f55d0 | 139 | echo "Predicate function ${function} with invalid_p." 1>&2 |
ae45cd16 AC |
140 | kill $$ |
141 | exit 1 | |
142 | ;; | |
143 | esac | |
34620563 AC |
144 | esac |
145 | ||
146 | # PREDEFAULT is a valid fallback definition of MEMBER when | |
147 | # multi-arch is not enabled. This ensures that the | |
148 | # default value, when multi-arch is the same as the | |
149 | # default value when not multi-arch. POSTDEFAULT is | |
150 | # always a valid definition of MEMBER as this again | |
151 | # ensures consistency. | |
152 | ||
72e74a21 | 153 | if [ -n "${postdefault}" ] |
34620563 AC |
154 | then |
155 | fallbackdefault="${postdefault}" | |
72e74a21 | 156 | elif [ -n "${predefault}" ] |
34620563 AC |
157 | then |
158 | fallbackdefault="${predefault}" | |
159 | else | |
73d3c16e | 160 | fallbackdefault="0" |
34620563 AC |
161 | fi |
162 | ||
163 | #NOT YET: See gdbarch.log for basic verification of | |
164 | # database | |
165 | ||
166 | break | |
f0d4cc9e | 167 | fi |
34620563 | 168 | done |
72e74a21 | 169 | if [ -n "${class}" ] |
34620563 AC |
170 | then |
171 | true | |
c0e8c252 AC |
172 | else |
173 | false | |
174 | fi | |
175 | } | |
176 | ||
104c1213 | 177 | |
f0d4cc9e AC |
178 | fallback_default_p () |
179 | { | |
72e74a21 JB |
180 | [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \ |
181 | || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ] | |
f0d4cc9e AC |
182 | } |
183 | ||
184 | class_is_variable_p () | |
185 | { | |
4a5c6a1d AC |
186 | case "${class}" in |
187 | *v* | *V* ) true ;; | |
188 | * ) false ;; | |
189 | esac | |
f0d4cc9e AC |
190 | } |
191 | ||
192 | class_is_function_p () | |
193 | { | |
4a5c6a1d AC |
194 | case "${class}" in |
195 | *f* | *F* | *m* | *M* ) true ;; | |
196 | * ) false ;; | |
197 | esac | |
198 | } | |
199 | ||
200 | class_is_multiarch_p () | |
201 | { | |
202 | case "${class}" in | |
203 | *m* | *M* ) true ;; | |
204 | * ) false ;; | |
205 | esac | |
f0d4cc9e AC |
206 | } |
207 | ||
208 | class_is_predicate_p () | |
209 | { | |
4a5c6a1d AC |
210 | case "${class}" in |
211 | *F* | *V* | *M* ) true ;; | |
212 | * ) false ;; | |
213 | esac | |
f0d4cc9e AC |
214 | } |
215 | ||
216 | class_is_info_p () | |
217 | { | |
4a5c6a1d AC |
218 | case "${class}" in |
219 | *i* ) true ;; | |
220 | * ) false ;; | |
221 | esac | |
f0d4cc9e AC |
222 | } |
223 | ||
224 | ||
cff3e48b JM |
225 | # dump out/verify the doco |
226 | for field in ${read} | |
227 | do | |
228 | case ${field} in | |
229 | ||
230 | class ) : ;; | |
c4093a6a | 231 | |
c0e8c252 AC |
232 | # # -> line disable |
233 | # f -> function | |
234 | # hiding a function | |
2ada493a AC |
235 | # F -> function + predicate |
236 | # hiding a function + predicate to test function validity | |
c0e8c252 AC |
237 | # v -> variable |
238 | # hiding a variable | |
2ada493a AC |
239 | # V -> variable + predicate |
240 | # hiding a variable + predicate to test variables validity | |
c0e8c252 AC |
241 | # i -> set from info |
242 | # hiding something from the ``struct info'' object | |
4a5c6a1d AC |
243 | # m -> multi-arch function |
244 | # hiding a multi-arch function (parameterised with the architecture) | |
245 | # M -> multi-arch function + predicate | |
246 | # hiding a multi-arch function + predicate to test function validity | |
cff3e48b | 247 | |
cff3e48b JM |
248 | macro ) : ;; |
249 | ||
c0e8c252 | 250 | # The name of the MACRO that this method is to be accessed by. |
cff3e48b JM |
251 | |
252 | returntype ) : ;; | |
253 | ||
c0e8c252 | 254 | # For functions, the return type; for variables, the data type |
cff3e48b JM |
255 | |
256 | function ) : ;; | |
257 | ||
c0e8c252 AC |
258 | # For functions, the member function name; for variables, the |
259 | # variable name. Member function names are always prefixed with | |
260 | # ``gdbarch_'' for name-space purity. | |
cff3e48b JM |
261 | |
262 | formal ) : ;; | |
263 | ||
c0e8c252 AC |
264 | # The formal argument list. It is assumed that the formal |
265 | # argument list includes the actual name of each list element. | |
266 | # A function with no arguments shall have ``void'' as the | |
267 | # formal argument list. | |
cff3e48b JM |
268 | |
269 | actual ) : ;; | |
270 | ||
c0e8c252 AC |
271 | # The list of actual arguments. The arguments specified shall |
272 | # match the FORMAL list given above. Functions with out | |
273 | # arguments leave this blank. | |
cff3e48b JM |
274 | |
275 | attrib ) : ;; | |
276 | ||
c0e8c252 AC |
277 | # Any GCC attributes that should be attached to the function |
278 | # declaration. At present this field is unused. | |
cff3e48b | 279 | |
0b8f9e4d | 280 | staticdefault ) : ;; |
c0e8c252 AC |
281 | |
282 | # To help with the GDB startup a static gdbarch object is | |
0b8f9e4d AC |
283 | # created. STATICDEFAULT is the value to insert into that |
284 | # static gdbarch object. Since this a static object only | |
285 | # simple expressions can be used. | |
cff3e48b | 286 | |
0b8f9e4d | 287 | # If STATICDEFAULT is empty, zero is used. |
c0e8c252 | 288 | |
0b8f9e4d | 289 | predefault ) : ;; |
cff3e48b | 290 | |
10312cc4 AC |
291 | # An initial value to assign to MEMBER of the freshly |
292 | # malloc()ed gdbarch object. After initialization, the | |
293 | # freshly malloc()ed object is passed to the target | |
294 | # architecture code for further updates. | |
cff3e48b | 295 | |
0b8f9e4d AC |
296 | # If PREDEFAULT is empty, zero is used. |
297 | ||
10312cc4 AC |
298 | # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero |
299 | # INVALID_P are specified, PREDEFAULT will be used as the | |
300 | # default for the non- multi-arch target. | |
301 | ||
302 | # A zero PREDEFAULT function will force the fallback to call | |
303 | # internal_error(). | |
f0d4cc9e AC |
304 | |
305 | # Variable declarations can refer to ``gdbarch'' which will | |
306 | # contain the current architecture. Care should be taken. | |
0b8f9e4d AC |
307 | |
308 | postdefault ) : ;; | |
309 | ||
310 | # A value to assign to MEMBER of the new gdbarch object should | |
10312cc4 AC |
311 | # the target architecture code fail to change the PREDEFAULT |
312 | # value. | |
0b8f9e4d AC |
313 | |
314 | # If POSTDEFAULT is empty, no post update is performed. | |
315 | ||
316 | # If both INVALID_P and POSTDEFAULT are non-empty then | |
317 | # INVALID_P will be used to determine if MEMBER should be | |
318 | # changed to POSTDEFAULT. | |
319 | ||
10312cc4 AC |
320 | # If a non-empty POSTDEFAULT and a zero INVALID_P are |
321 | # specified, POSTDEFAULT will be used as the default for the | |
322 | # non- multi-arch target (regardless of the value of | |
323 | # PREDEFAULT). | |
324 | ||
f0d4cc9e AC |
325 | # You cannot specify both a zero INVALID_P and a POSTDEFAULT. |
326 | ||
db446970 AC |
327 | # Variable declarations can refer to ``current_gdbarch'' which |
328 | # will contain the current architecture. Care should be | |
329 | # taken. | |
cff3e48b | 330 | |
c4093a6a | 331 | invalid_p ) : ;; |
cff3e48b | 332 | |
0b8f9e4d | 333 | # A predicate equation that validates MEMBER. Non-zero is |
c0e8c252 | 334 | # returned if the code creating the new architecture failed to |
0b8f9e4d AC |
335 | # initialize MEMBER or the initialized the member is invalid. |
336 | # If POSTDEFAULT is non-empty then MEMBER will be updated to | |
337 | # that value. If POSTDEFAULT is empty then internal_error() | |
338 | # is called. | |
339 | ||
340 | # If INVALID_P is empty, a check that MEMBER is no longer | |
341 | # equal to PREDEFAULT is used. | |
342 | ||
f0d4cc9e AC |
343 | # The expression ``0'' disables the INVALID_P check making |
344 | # PREDEFAULT a legitimate value. | |
0b8f9e4d AC |
345 | |
346 | # See also PREDEFAULT and POSTDEFAULT. | |
cff3e48b JM |
347 | |
348 | fmt ) : ;; | |
349 | ||
c0e8c252 AC |
350 | # printf style format string that can be used to print out the |
351 | # MEMBER. Sometimes "%s" is useful. For functions, this is | |
352 | # ignored and the function address is printed. | |
353 | ||
0b8f9e4d | 354 | # If FMT is empty, ``%ld'' is used. |
cff3e48b JM |
355 | |
356 | print ) : ;; | |
357 | ||
c0e8c252 AC |
358 | # An optional equation that casts MEMBER to a value suitable |
359 | # for formatting by FMT. | |
360 | ||
0b8f9e4d | 361 | # If PRINT is empty, ``(long)'' is used. |
cff3e48b JM |
362 | |
363 | print_p ) : ;; | |
364 | ||
c0e8c252 AC |
365 | # An optional indicator for any predicte to wrap around the |
366 | # print member code. | |
367 | ||
4b9b3959 | 368 | # () -> Call a custom function to do the dump. |
c0e8c252 AC |
369 | # exp -> Wrap print up in ``if (${print_p}) ... |
370 | # ``'' -> No predicate | |
cff3e48b | 371 | |
0b8f9e4d AC |
372 | # If PRINT_P is empty, ``1'' is always used. |
373 | ||
cff3e48b JM |
374 | description ) : ;; |
375 | ||
0b8f9e4d | 376 | # Currently unused. |
cff3e48b | 377 | |
50248794 AC |
378 | *) |
379 | echo "Bad field ${field}" | |
380 | exit 1;; | |
cff3e48b JM |
381 | esac |
382 | done | |
383 | ||
cff3e48b | 384 | |
104c1213 JM |
385 | function_list () |
386 | { | |
cff3e48b | 387 | # See below (DOCO) for description of each field |
34620563 | 388 | cat <<EOF |
57010b1c | 389 | i:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL |
104c1213 | 390 | # |
57010b1c | 391 | i:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG |
4be87837 | 392 | # |
57010b1c | 393 | i:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN |
66b43ecb AC |
394 | # Number of bits in a char or unsigned char for the target machine. |
395 | # Just like CHAR_BIT in <limits.h> but describes the target machine. | |
57010b1c | 396 | # v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: |
66b43ecb AC |
397 | # |
398 | # Number of bits in a short or unsigned short for the target machine. | |
57010b1c | 399 | v:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0 |
66b43ecb | 400 | # Number of bits in an int or unsigned int for the target machine. |
57010b1c | 401 | v:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0 |
66b43ecb | 402 | # Number of bits in a long or unsigned long for the target machine. |
57010b1c | 403 | v:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0 |
66b43ecb AC |
404 | # Number of bits in a long long or unsigned long long for the target |
405 | # machine. | |
57010b1c | 406 | v:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0 |
66b43ecb | 407 | # Number of bits in a float for the target machine. |
57010b1c | 408 | v:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0 |
66b43ecb | 409 | # Number of bits in a double for the target machine. |
57010b1c | 410 | v:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0 |
66b43ecb | 411 | # Number of bits in a long double for the target machine. |
57010b1c | 412 | v:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0 |
52204a0b DT |
413 | # For most targets, a pointer on the target and its representation as an |
414 | # address in GDB have the same size and "look the same". For such a | |
415 | # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT | |
416 | # / addr_bit will be set from it. | |
417 | # | |
418 | # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably | |
419 | # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well. | |
420 | # | |
421 | # ptr_bit is the size of a pointer on the target | |
57010b1c | 422 | v:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0 |
52204a0b | 423 | # addr_bit is the size of a target address as represented in gdb |
57010b1c | 424 | v:TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT: |
66b43ecb | 425 | # Number of bits in a BFD_VMA for the target object file format. |
57010b1c | 426 | v:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0 |
104c1213 | 427 | # |
4e409299 | 428 | # One if \`char' acts like \`signed char', zero if \`unsigned char'. |
57010b1c | 429 | v:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1:::: |
4e409299 | 430 | # |
57010b1c AC |
431 | F:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid |
432 | f:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0 | |
a9e5fdc2 | 433 | # UNWIND_SP is a direct replacement for TARGET_READ_SP. |
57010b1c | 434 | F:TARGET_READ_SP:CORE_ADDR:read_sp:void |
39d4ef09 AC |
435 | # Function for getting target's idea of a frame pointer. FIXME: GDB's |
436 | # whole scheme for dealing with "frames" and "frame pointers" needs a | |
437 | # serious shakedown. | |
57010b1c | 438 | f:TARGET_VIRTUAL_FRAME_POINTER: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 | 439 | # |
57010b1c AC |
440 | M::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf |
441 | M::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf | |
61a0eb5b | 442 | # |
57010b1c | 443 | v:NUM_REGS:int:num_regs::::0:-1 |
0aba1244 EZ |
444 | # This macro gives the number of pseudo-registers that live in the |
445 | # register namespace but do not get fetched or stored on the target. | |
3d9a5942 AC |
446 | # These pseudo-registers may be aliases for other registers, |
447 | # combinations of other registers, or they may be computed by GDB. | |
57010b1c | 448 | v:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0::: |
c2169756 AC |
449 | |
450 | # GDB's standard (or well known) register numbers. These can map onto | |
451 | # a real register or a pseudo (computed) register or not be defined at | |
1200cd6e | 452 | # all (-1). |
a9e5fdc2 | 453 | # SP_REGNUM will hopefully be replaced by UNWIND_SP. |
57010b1c AC |
454 | v:SP_REGNUM:int:sp_regnum::::-1:-1::0 |
455 | v:PC_REGNUM:int:pc_regnum::::-1:-1::0 | |
456 | v:PS_REGNUM:int:ps_regnum::::-1:-1::0 | |
457 | v:FP0_REGNUM:int:fp0_regnum::::0:-1::0 | |
88c72b7d | 458 | # Convert stab register number (from \`r\' declaration) to a gdb REGNUM. |
57010b1c | 459 | f:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0 |
88c72b7d | 460 | # Provide a default mapping from a ecoff register number to a gdb REGNUM. |
57010b1c | 461 | f:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0 |
88c72b7d | 462 | # Provide a default mapping from a DWARF register number to a gdb REGNUM. |
57010b1c | 463 | f:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0 |
88c72b7d | 464 | # Convert from an sdb register number to an internal gdb register number. |
57010b1c AC |
465 | f:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0 |
466 | f:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0 | |
467 | f:REGISTER_NAME:const char *:register_name:int regnr:regnr | |
9c04cab7 | 468 | |
2e092625 | 469 | # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE. |
68908a3e | 470 | M::struct type *:register_type:int reg_nr:reg_nr |
2e092625 | 471 | # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE. |
57010b1c | 472 | F:DEPRECATED_REGISTER_VIRTUAL_TYPE:struct type *:deprecated_register_virtual_type:int reg_nr:reg_nr |
9c04cab7 AC |
473 | # DEPRECATED_REGISTER_BYTES can be deleted. The value is computed |
474 | # from REGISTER_TYPE. | |
57010b1c | 475 | v:DEPRECATED_REGISTER_BYTES:int:deprecated_register_bytes |
f3be58bc AC |
476 | # If the value returned by DEPRECATED_REGISTER_BYTE agrees with the |
477 | # register offsets computed using just REGISTER_TYPE, this can be | |
478 | # deleted. See: maint print registers. NOTE: cagney/2002-05-02: This | |
479 | # function with predicate has a valid (callable) initial value. As a | |
480 | # consequence, even when the predicate is false, the corresponding | |
481 | # function works. This simplifies the migration process - old code, | |
482 | # calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified. | |
57010b1c | 483 | F:DEPRECATED_REGISTER_BYTE:int:deprecated_register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte |
f3be58bc AC |
484 | # If all registers have identical raw and virtual sizes and those |
485 | # sizes agree with the value computed from REGISTER_TYPE, | |
486 | # DEPRECATED_REGISTER_RAW_SIZE can be deleted. See: maint print | |
487 | # registers. | |
57010b1c | 488 | F:DEPRECATED_REGISTER_RAW_SIZE:int:deprecated_register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size |
f3be58bc AC |
489 | # If all registers have identical raw and virtual sizes and those |
490 | # sizes agree with the value computed from REGISTER_TYPE, | |
491 | # DEPRECATED_REGISTER_VIRTUAL_SIZE can be deleted. See: maint print | |
492 | # registers. | |
57010b1c | 493 | F:DEPRECATED_REGISTER_VIRTUAL_SIZE:int:deprecated_register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size |
9c04cab7 | 494 | |
f3be58bc | 495 | # See gdbint.texinfo, and PUSH_DUMMY_CALL. |
68908a3e | 496 | M::struct frame_id:unwind_dummy_id:struct frame_info *info:info |
f3be58bc AC |
497 | # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete |
498 | # SAVE_DUMMY_FRAME_TOS. | |
57010b1c | 499 | F:DEPRECATED_SAVE_DUMMY_FRAME_TOS:void:deprecated_save_dummy_frame_tos:CORE_ADDR sp:sp |
f3be58bc AC |
500 | # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete |
501 | # DEPRECATED_FP_REGNUM. | |
57010b1c | 502 | v:DEPRECATED_FP_REGNUM:int:deprecated_fp_regnum::::-1:-1::0 |
f3be58bc AC |
503 | # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete |
504 | # DEPRECATED_TARGET_READ_FP. | |
57010b1c | 505 | F:DEPRECATED_TARGET_READ_FP:CORE_ADDR:deprecated_target_read_fp:void |
f3be58bc | 506 | |
b8de8283 AC |
507 | # See gdbint.texinfo. See infcall.c. New, all singing all dancing, |
508 | # replacement for DEPRECATED_PUSH_ARGUMENTS. | |
68908a3e | 509 | 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 |
b8de8283 | 510 | # PUSH_DUMMY_CALL is a direct replacement for DEPRECATED_PUSH_ARGUMENTS. |
57010b1c | 511 | F:DEPRECATED_PUSH_ARGUMENTS:CORE_ADDR:deprecated_push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr |
b8de8283 AC |
512 | # Implement PUSH_RETURN_ADDRESS, and then merge in |
513 | # DEPRECATED_PUSH_RETURN_ADDRESS. | |
57010b1c | 514 | F:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp |
b8de8283 | 515 | # Implement PUSH_DUMMY_CALL, then merge in DEPRECATED_DUMMY_WRITE_SP. |
57010b1c | 516 | F:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val |
b8de8283 | 517 | # DEPRECATED_REGISTER_SIZE can be deleted. |
57010b1c AC |
518 | v:DEPRECATED_REGISTER_SIZE:int:deprecated_register_size |
519 | v:CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0 | |
68908a3e | 520 | M::CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr:sp, funaddr, using_gcc, args, nargs, value_type, real_pc, bp_addr |
57010b1c AC |
521 | |
522 | F:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs | |
68908a3e AC |
523 | 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 |
524 | M::void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
525 | M::void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args | |
7c7651b2 AC |
526 | # MAP a GDB RAW register number onto a simulator register number. See |
527 | # also include/...-sim.h. | |
57010b1c AC |
528 | f:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0 |
529 | F:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes | |
530 | f:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0 | |
531 | f:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0 | |
9df628e0 | 532 | # setjmp/longjmp support. |
57010b1c AC |
533 | F:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc |
534 | F:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev | |
104c1213 | 535 | # |
57010b1c AC |
536 | v:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion::::::: |
537 | F:DEPRECATED_GET_SAVED_REGISTER:void:deprecated_get_saved_register:char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval:raw_buffer, optimized, addrp, frame, regnum, lval | |
104c1213 | 538 | # |
57010b1c AC |
539 | f:CONVERT_REGISTER_P:int:convert_register_p:int regnum, struct type *type:regnum, type::0:generic_convert_register_p::0 |
540 | f:REGISTER_TO_VALUE:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, void *buf:frame, regnum, type, buf::0 | |
541 | f:VALUE_TO_REGISTER:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const void *buf:frame, regnum, type, buf::0 | |
104c1213 | 542 | # |
57010b1c AC |
543 | f:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0 |
544 | f:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, void *buf, CORE_ADDR addr:type, buf, addr:::unsigned_address_to_pointer::0 | |
545 | F:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf | |
4478b372 | 546 | # |
57010b1c | 547 | F:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:- |
4183d812 | 548 | # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS. |
57010b1c | 549 | F:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp |
92ad9cd9 AC |
550 | |
551 | # It has been suggested that this, well actually its predecessor, | |
552 | # should take the type/value of the function to be called and not the | |
553 | # return type. This is left as an exercise for the reader. | |
554 | ||
750eb019 AC |
555 | # NOTE: cagney/2004-06-13: The function stack.c:return_command uses |
556 | # the predicate with default hack to avoid calling STORE_RETURN_VALUE | |
557 | # (via legacy_return_value), when a small struct is involved. | |
558 | ||
66d659b1 | 559 | M::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, void *readbuf, const void *writebuf:valtype, regcache, readbuf, writebuf:::legacy_return_value |
92ad9cd9 | 560 | |
b5622e8d AC |
561 | # The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE, |
562 | # DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and | |
563 | # DEPRECATED_USE_STRUCT_CONVENTION have all been folded into | |
564 | # RETURN_VALUE. | |
92ad9cd9 | 565 | |
57010b1c AC |
566 | f:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0 |
567 | f:STORE_RETURN_VALUE:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf:::legacy_store_return_value::0 | |
568 | f:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf | |
569 | f:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf | |
b5622e8d | 570 | f:DEPRECATED_USE_STRUCT_CONVENTION:int:deprecated_use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::generic_use_struct_convention::0 |
92ad9cd9 | 571 | |
74055713 AC |
572 | # As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an |
573 | # ABI suitable for the implementation of a robust extract | |
574 | # struct-convention return-value address method (the sparc saves the | |
575 | # address in the callers frame). All the other cases so far examined, | |
576 | # the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been | |
577 | # erreneous - the code was incorrectly assuming that the return-value | |
578 | # address, stored in a register, was preserved across the entire | |
579 | # function call. | |
580 | ||
581 | # For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of | |
582 | # the ABIs that are still to be analyzed - perhaps this should simply | |
583 | # be deleted. The commented out extract_returned_value_address method | |
584 | # is provided as a starting point for the 32-bit SPARC. It, or | |
585 | # something like it, along with changes to both infcmd.c and stack.c | |
586 | # will be needed for that case to work. NB: It is passed the callers | |
587 | # frame since it is only after the callee has returned that this | |
588 | # function is used. | |
589 | ||
57010b1c AC |
590 | #M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame |
591 | F:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:struct regcache *regcache:regcache | |
74055713 | 592 | |
57010b1c AC |
593 | F:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame |
594 | F:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame | |
104c1213 | 595 | # |
57010b1c AC |
596 | f:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0 |
597 | f:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0 | |
598 | f:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0: | |
68908a3e | 599 | M::CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr |
57010b1c AC |
600 | f:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0 |
601 | f:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0 | |
602 | v:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:::0 | |
782263ab AC |
603 | |
604 | # A function can be addressed by either it's "pointer" (possibly a | |
605 | # descriptor address) or "entry point" (first executable instruction). | |
606 | # The method "convert_from_func_ptr_addr" converting the former to the | |
607 | # latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement | |
608 | # a simplified subset of that functionality - the function's address | |
609 | # corresponds to the "function pointer" and the function's start | |
610 | # corresponds to the "function entry point" - and hence is redundant. | |
611 | ||
612 | v:DEPRECATED_FUNCTION_START_OFFSET:CORE_ADDR:deprecated_function_start_offset::::0:::0 | |
613 | ||
68908a3e | 614 | m::void:remote_translate_xfer_address:struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:regcache, gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address::0 |
104c1213 | 615 | # |
57010b1c | 616 | v:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:::0 |
19772a2c AC |
617 | # DEPRECATED_FRAMELESS_FUNCTION_INVOCATION is not needed. The new |
618 | # frame code works regardless of the type of frame - frameless, | |
619 | # stackless, or normal. | |
57010b1c AC |
620 | F:DEPRECATED_FRAMELESS_FUNCTION_INVOCATION:int:deprecated_frameless_function_invocation:struct frame_info *fi:fi |
621 | F:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame | |
622 | F:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe | |
8bedc050 AC |
623 | # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please |
624 | # note, per UNWIND_PC's doco, that while the two have similar | |
625 | # interfaces they have very different underlying implementations. | |
57010b1c | 626 | F:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi |
68908a3e AC |
627 | M::CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame |
628 | M::CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame | |
42efa47a AC |
629 | # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame |
630 | # frame-base. Enable frame-base before frame-unwind. | |
57010b1c | 631 | F:DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base |
42efa47a AC |
632 | # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
633 | # frame-base. Enable frame-base before frame-unwind. | |
57010b1c AC |
634 | F:DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base |
635 | F:DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame | |
636 | F:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame | |
104c1213 | 637 | # |
f27dd7fd AC |
638 | # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call |
639 | # to frame_align and the requirement that methods such as | |
640 | # push_dummy_call and frame_red_zone_size maintain correct stack/frame | |
641 | # alignment. | |
57010b1c AC |
642 | F:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp |
643 | M::CORE_ADDR:frame_align:CORE_ADDR address:address | |
192cb3d4 MK |
644 | # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by |
645 | # stabs_argument_has_addr. | |
57010b1c AC |
646 | F:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type |
647 | m::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0 | |
648 | v:FRAME_RED_ZONE_SIZE:int:frame_red_zone_size | |
f0d4cc9e | 649 | # |
57010b1c AC |
650 | v:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (current_gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name |
651 | v:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name | |
652 | v:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name | |
653 | 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 |
654 | # On some machines there are bits in addresses which are not really |
655 | # part of the address, but are used by the kernel, the hardware, etc. | |
656 | # for special purposes. ADDR_BITS_REMOVE takes out any such bits so | |
657 | # we get a "real" address such as one would find in a symbol table. | |
658 | # This is used only for addresses of instructions, and even then I'm | |
659 | # not sure it's used in all contexts. It exists to deal with there | |
660 | # being a few stray bits in the PC which would mislead us, not as some | |
661 | # sort of generic thing to handle alignment or segmentation (it's | |
662 | # possible it should be in TARGET_READ_PC instead). | |
57010b1c | 663 | f:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0 |
f6214256 | 664 | # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into |
181c1381 | 665 | # ADDR_BITS_REMOVE. |
57010b1c | 666 | f:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0 |
64c4637f AC |
667 | # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if |
668 | # the target needs software single step. An ISA method to implement it. | |
669 | # | |
670 | # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints | |
671 | # using the breakpoint system instead of blatting memory directly (as with rs6000). | |
672 | # | |
673 | # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can | |
674 | # single step. If not, then implement single step using breakpoints. | |
57010b1c | 675 | F:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p |
f6c40618 AC |
676 | # FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
677 | # disassembler. Perhaphs objdump can handle it? | |
57010b1c AC |
678 | f:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0: |
679 | f:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0 | |
d50355b6 MS |
680 | |
681 | ||
dea0c52f MK |
682 | # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER |
683 | # evaluates non-zero, this is the address where the debugger will place | |
684 | # a step-resume breakpoint to get us past the dynamic linker. | |
68908a3e | 685 | m::CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc:::generic_skip_solib_resolver::0 |
68e9cc94 CV |
686 | # For SVR4 shared libraries, each call goes through a small piece of |
687 | # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates | |
d50355b6 | 688 | # to nonzero if we are currently stopped in one of these. |
57010b1c | 689 | f:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0 |
d50355b6 MS |
690 | |
691 | # Some systems also have trampoline code for returning from shared libs. | |
57010b1c | 692 | f:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0 |
d50355b6 | 693 | |
c12260ac CV |
694 | # A target might have problems with watchpoints as soon as the stack |
695 | # frame of the current function has been destroyed. This mostly happens | |
696 | # as the first action in a funtion's epilogue. in_function_epilogue_p() | |
697 | # is defined to return a non-zero value if either the given addr is one | |
698 | # instruction after the stack destroying instruction up to the trailing | |
699 | # return instruction or if we can figure out that the stack frame has | |
700 | # already been invalidated regardless of the value of addr. Targets | |
701 | # which don't suffer from that problem could just let this functionality | |
702 | # untouched. | |
57010b1c | 703 | m::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0 |
552c04a7 TT |
704 | # Given a vector of command-line arguments, return a newly allocated |
705 | # string which, when passed to the create_inferior function, will be | |
706 | # parsed (on Unix systems, by the shell) to yield the same vector. | |
707 | # This function should call error() if the argument vector is not | |
708 | # representable for this target or if this target does not support | |
709 | # command-line arguments. | |
710 | # ARGC is the number of elements in the vector. | |
711 | # ARGV is an array of strings, one per argument. | |
68908a3e | 712 | m::char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0 |
57010b1c AC |
713 | f:ELF_MAKE_MSYMBOL_SPECIAL:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym:::default_elf_make_msymbol_special::0 |
714 | f:COFF_MAKE_MSYMBOL_SPECIAL:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym:::default_coff_make_msymbol_special::0 | |
715 | v:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC | |
716 | v:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0 | |
717 | v:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0 | |
718 | F:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class | |
68908a3e AC |
719 | M::const char *:address_class_type_flags_to_name:int type_flags:type_flags |
720 | M::int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr | |
b59ff9d5 | 721 | # Is a register in a group |
57010b1c | 722 | m::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0 |
f6214256 | 723 | # Fetch the pointer to the ith function argument. |
57010b1c | 724 | F:FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
6ce6d90f MK |
725 | |
726 | # Return the appropriate register set for a core file section with | |
727 | # name SECT_NAME and size SECT_SIZE. | |
57010b1c | 728 | M::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size |
104c1213 | 729 | EOF |
104c1213 JM |
730 | } |
731 | ||
0b8f9e4d AC |
732 | # |
733 | # The .log file | |
734 | # | |
735 | exec > new-gdbarch.log | |
34620563 | 736 | function_list | while do_read |
0b8f9e4d AC |
737 | do |
738 | cat <<EOF | |
66d659b1 | 739 | ${class} ${returntype} ${function} ($formal)${attrib} |
104c1213 | 740 | EOF |
3d9a5942 AC |
741 | for r in ${read} |
742 | do | |
743 | eval echo \"\ \ \ \ ${r}=\${${r}}\" | |
744 | done | |
f0d4cc9e | 745 | if class_is_predicate_p && fallback_default_p |
0b8f9e4d | 746 | then |
66d659b1 | 747 | echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2 |
0b8f9e4d AC |
748 | kill $$ |
749 | exit 1 | |
750 | fi | |
72e74a21 | 751 | if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ] |
f0d4cc9e AC |
752 | then |
753 | echo "Error: postdefault is useless when invalid_p=0" 1>&2 | |
754 | kill $$ | |
755 | exit 1 | |
756 | fi | |
a72293e2 AC |
757 | if class_is_multiarch_p |
758 | then | |
759 | if class_is_predicate_p ; then : | |
760 | elif test "x${predefault}" = "x" | |
761 | then | |
762 | echo "Error: pure multi-arch function must have a predefault" 1>&2 | |
763 | kill $$ | |
764 | exit 1 | |
765 | fi | |
766 | fi | |
3d9a5942 | 767 | echo "" |
0b8f9e4d AC |
768 | done |
769 | ||
770 | exec 1>&2 | |
771 | compare_new gdbarch.log | |
772 | ||
104c1213 JM |
773 | |
774 | copyright () | |
775 | { | |
776 | cat <<EOF | |
59233f88 AC |
777 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */ |
778 | ||
104c1213 | 779 | /* Dynamic architecture support for GDB, the GNU debugger. |
79d45cd4 AC |
780 | |
781 | Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free | |
782 | Software Foundation, Inc. | |
104c1213 JM |
783 | |
784 | This file is part of GDB. | |
785 | ||
786 | This program is free software; you can redistribute it and/or modify | |
787 | it under the terms of the GNU General Public License as published by | |
788 | the Free Software Foundation; either version 2 of the License, or | |
789 | (at your option) any later version. | |
790 | ||
791 | This program is distributed in the hope that it will be useful, | |
792 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
793 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
794 | GNU General Public License for more details. | |
795 | ||
796 | You should have received a copy of the GNU General Public License | |
797 | along with this program; if not, write to the Free Software | |
798 | Foundation, Inc., 59 Temple Place - Suite 330, | |
799 | Boston, MA 02111-1307, USA. */ | |
800 | ||
104c1213 JM |
801 | /* This file was created with the aid of \`\`gdbarch.sh''. |
802 | ||
52204a0b | 803 | The Bourne shell script \`\`gdbarch.sh'' creates the files |
104c1213 JM |
804 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them |
805 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
806 | being reported. | |
807 | ||
808 | If editing this file, please also run gdbarch.sh and merge any | |
52204a0b | 809 | changes into that script. Conversely, when making sweeping changes |
104c1213 JM |
810 | to this file, modifying gdbarch.sh and using its output may prove |
811 | easier. */ | |
812 | ||
813 | EOF | |
814 | } | |
815 | ||
816 | # | |
817 | # The .h file | |
818 | # | |
819 | ||
820 | exec > new-gdbarch.h | |
821 | copyright | |
822 | cat <<EOF | |
823 | #ifndef GDBARCH_H | |
824 | #define GDBARCH_H | |
825 | ||
da3331ec AC |
826 | struct floatformat; |
827 | struct ui_file; | |
104c1213 JM |
828 | struct frame_info; |
829 | struct value; | |
b6af0555 | 830 | struct objfile; |
a2cf933a | 831 | struct minimal_symbol; |
049ee0e4 | 832 | struct regcache; |
b59ff9d5 | 833 | struct reggroup; |
6ce6d90f | 834 | struct regset; |
a89aa300 | 835 | struct disassemble_info; |
e2d0e7eb | 836 | struct target_ops; |
030f20e1 | 837 | struct obstack; |
104c1213 | 838 | |
104c1213 JM |
839 | extern struct gdbarch *current_gdbarch; |
840 | ||
104c1213 JM |
841 | /* If any of the following are defined, the target wasn't correctly |
842 | converted. */ | |
843 | ||
83905903 AC |
844 | #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE) |
845 | #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file." | |
846 | #endif | |
104c1213 JM |
847 | EOF |
848 | ||
849 | # function typedef's | |
3d9a5942 AC |
850 | printf "\n" |
851 | printf "\n" | |
852 | printf "/* The following are pre-initialized by GDBARCH. */\n" | |
34620563 | 853 | function_list | while do_read |
104c1213 | 854 | do |
2ada493a AC |
855 | if class_is_info_p |
856 | then | |
3d9a5942 AC |
857 | printf "\n" |
858 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
859 | printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" | |
57010b1c | 860 | printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n" |
83905903 AC |
861 | printf "#error \"Non multi-arch definition of ${macro}\"\n" |
862 | printf "#endif\n" | |
c25083af | 863 | printf "#if !defined (${macro})\n" |
3d9a5942 AC |
864 | printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n" |
865 | printf "#endif\n" | |
2ada493a | 866 | fi |
104c1213 JM |
867 | done |
868 | ||
869 | # function typedef's | |
3d9a5942 AC |
870 | printf "\n" |
871 | printf "\n" | |
872 | printf "/* The following are initialized by the target dependent code. */\n" | |
34620563 | 873 | function_list | while do_read |
104c1213 | 874 | do |
72e74a21 | 875 | if [ -n "${comment}" ] |
34620563 AC |
876 | then |
877 | echo "${comment}" | sed \ | |
878 | -e '2 s,#,/*,' \ | |
879 | -e '3,$ s,#, ,' \ | |
880 | -e '$ s,$, */,' | |
881 | fi | |
b77be6cf | 882 | if class_is_multiarch_p |
2ada493a | 883 | then |
b77be6cf AC |
884 | if class_is_predicate_p |
885 | then | |
886 | printf "\n" | |
887 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" | |
888 | fi | |
889 | else | |
890 | if class_is_predicate_p | |
891 | then | |
892 | printf "\n" | |
893 | printf "#if defined (${macro})\n" | |
894 | printf "/* Legacy for systems yet to multi-arch ${macro} */\n" | |
895 | #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n" | |
eee30e78 | 896 | printf "#if !defined (${macro}_P)\n" |
b77be6cf AC |
897 | printf "#define ${macro}_P() (1)\n" |
898 | printf "#endif\n" | |
eee30e78 | 899 | printf "#endif\n" |
b77be6cf | 900 | printf "\n" |
b77be6cf | 901 | printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" |
57010b1c | 902 | printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro}_P)\n" |
83905903 AC |
903 | printf "#error \"Non multi-arch definition of ${macro}\"\n" |
904 | printf "#endif\n" | |
bceabdd8 | 905 | printf "#if !defined (${macro}_P)\n" |
b77be6cf AC |
906 | printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n" |
907 | printf "#endif\n" | |
908 | fi | |
4a5c6a1d | 909 | fi |
2ada493a AC |
910 | if class_is_variable_p |
911 | then | |
3d9a5942 AC |
912 | printf "\n" |
913 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" | |
914 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" | |
57010b1c | 915 | printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n" |
83905903 AC |
916 | printf "#error \"Non multi-arch definition of ${macro}\"\n" |
917 | printf "#endif\n" | |
c25083af AC |
918 | printf "#if !defined (${macro})\n" |
919 | printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n" | |
920 | printf "#endif\n" | |
2ada493a AC |
921 | fi |
922 | if class_is_function_p | |
923 | then | |
3d9a5942 | 924 | printf "\n" |
72e74a21 | 925 | if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
4a5c6a1d AC |
926 | then |
927 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" | |
928 | elif class_is_multiarch_p | |
929 | then | |
930 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" | |
931 | else | |
932 | printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" | |
933 | fi | |
72e74a21 | 934 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 935 | then |
3d9a5942 | 936 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
104c1213 | 937 | else |
3d9a5942 | 938 | printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
104c1213 | 939 | fi |
3d9a5942 | 940 | printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
b77be6cf AC |
941 | if class_is_multiarch_p ; then : |
942 | else | |
57010b1c | 943 | printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n" |
83905903 AC |
944 | printf "#error \"Non multi-arch definition of ${macro}\"\n" |
945 | printf "#endif\n" | |
c25083af AC |
946 | if [ "x${actual}" = "x" ] |
947 | then | |
948 | d="#define ${macro}() (gdbarch_${function} (current_gdbarch))" | |
949 | elif [ "x${actual}" = "x-" ] | |
950 | then | |
951 | d="#define ${macro} (gdbarch_${function} (current_gdbarch))" | |
952 | else | |
953 | d="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))" | |
954 | fi | |
955 | printf "#if !defined (${macro})\n" | |
72e74a21 | 956 | if [ "x${actual}" = "x" ] |
4a5c6a1d AC |
957 | then |
958 | printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n" | |
72e74a21 | 959 | elif [ "x${actual}" = "x-" ] |
4a5c6a1d AC |
960 | then |
961 | printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n" | |
962 | else | |
963 | printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n" | |
964 | fi | |
965 | printf "#endif\n" | |
104c1213 | 966 | fi |
2ada493a | 967 | fi |
104c1213 JM |
968 | done |
969 | ||
970 | # close it off | |
971 | cat <<EOF | |
972 | ||
973 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); | |
974 | ||
975 | ||
976 | /* Mechanism for co-ordinating the selection of a specific | |
977 | architecture. | |
978 | ||
979 | GDB targets (*-tdep.c) can register an interest in a specific | |
980 | architecture. Other GDB components can register a need to maintain | |
981 | per-architecture data. | |
982 | ||
983 | The mechanisms below ensures that there is only a loose connection | |
984 | between the set-architecture command and the various GDB | |
0fa6923a | 985 | components. Each component can independently register their need |
104c1213 JM |
986 | to maintain architecture specific data with gdbarch. |
987 | ||
988 | Pragmatics: | |
989 | ||
990 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
991 | didn't scale. | |
992 | ||
993 | The more traditional mega-struct containing architecture specific | |
994 | data for all the various GDB components was also considered. Since | |
0fa6923a | 995 | GDB is built from a variable number of (fairly independent) |
104c1213 JM |
996 | components it was determined that the global aproach was not |
997 | applicable. */ | |
998 | ||
999 | ||
1000 | /* Register a new architectural family with GDB. | |
1001 | ||
1002 | Register support for the specified ARCHITECTURE with GDB. When | |
1003 | gdbarch determines that the specified architecture has been | |
1004 | selected, the corresponding INIT function is called. | |
1005 | ||
1006 | -- | |
1007 | ||
1008 | The INIT function takes two parameters: INFO which contains the | |
1009 | information available to gdbarch about the (possibly new) | |
1010 | architecture; ARCHES which is a list of the previously created | |
1011 | \`\`struct gdbarch'' for this architecture. | |
1012 | ||
0f79675b AC |
1013 | The INFO parameter is, as far as possible, be pre-initialized with |
1014 | information obtained from INFO.ABFD or the previously selected | |
1015 | architecture. | |
1016 | ||
1017 | The ARCHES parameter is a linked list (sorted most recently used) | |
1018 | of all the previously created architures for this architecture | |
1019 | family. The (possibly NULL) ARCHES->gdbarch can used to access | |
1020 | values from the previously selected architecture for this | |
1021 | architecture family. The global \`\`current_gdbarch'' shall not be | |
1022 | used. | |
104c1213 JM |
1023 | |
1024 | The INIT function shall return any of: NULL - indicating that it | |
ec3d358c | 1025 | doesn't recognize the selected architecture; an existing \`\`struct |
104c1213 JM |
1026 | gdbarch'' from the ARCHES list - indicating that the new |
1027 | architecture is just a synonym for an earlier architecture (see | |
1028 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
4b9b3959 AC |
1029 | - that describes the selected architecture (see gdbarch_alloc()). |
1030 | ||
1031 | The DUMP_TDEP function shall print out all target specific values. | |
1032 | Care should be taken to ensure that the function works in both the | |
1033 | multi-arch and non- multi-arch cases. */ | |
104c1213 JM |
1034 | |
1035 | struct gdbarch_list | |
1036 | { | |
1037 | struct gdbarch *gdbarch; | |
1038 | struct gdbarch_list *next; | |
1039 | }; | |
1040 | ||
1041 | struct gdbarch_info | |
1042 | { | |
104c1213 JM |
1043 | /* Use default: NULL (ZERO). */ |
1044 | const struct bfd_arch_info *bfd_arch_info; | |
1045 | ||
428721aa | 1046 | /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
104c1213 JM |
1047 | int byte_order; |
1048 | ||
1049 | /* Use default: NULL (ZERO). */ | |
1050 | bfd *abfd; | |
1051 | ||
1052 | /* Use default: NULL (ZERO). */ | |
1053 | struct gdbarch_tdep_info *tdep_info; | |
4be87837 DJ |
1054 | |
1055 | /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ | |
1056 | enum gdb_osabi osabi; | |
104c1213 JM |
1057 | }; |
1058 | ||
1059 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
4b9b3959 | 1060 | typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 | 1061 | |
4b9b3959 | 1062 | /* DEPRECATED - use gdbarch_register() */ |
104c1213 JM |
1063 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
1064 | ||
4b9b3959 AC |
1065 | extern void gdbarch_register (enum bfd_architecture architecture, |
1066 | gdbarch_init_ftype *, | |
1067 | gdbarch_dump_tdep_ftype *); | |
1068 | ||
104c1213 | 1069 | |
b4a20239 AC |
1070 | /* Return a freshly allocated, NULL terminated, array of the valid |
1071 | architecture names. Since architectures are registered during the | |
1072 | _initialize phase this function only returns useful information | |
1073 | once initialization has been completed. */ | |
1074 | ||
1075 | extern const char **gdbarch_printable_names (void); | |
1076 | ||
1077 | ||
104c1213 JM |
1078 | /* Helper function. Search the list of ARCHES for a GDBARCH that |
1079 | matches the information provided by INFO. */ | |
1080 | ||
1081 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); | |
1082 | ||
1083 | ||
1084 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
1085 | basic initialization using values obtained from the INFO andTDEP | |
1086 | parameters. set_gdbarch_*() functions are called to complete the | |
1087 | initialization of the object. */ | |
1088 | ||
1089 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
1090 | ||
1091 | ||
4b9b3959 AC |
1092 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
1093 | It is assumed that the caller freeds the \`\`struct | |
1094 | gdbarch_tdep''. */ | |
1095 | ||
058f20d5 JB |
1096 | extern void gdbarch_free (struct gdbarch *); |
1097 | ||
1098 | ||
aebd7893 AC |
1099 | /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
1100 | obstack. The memory is freed when the corresponding architecture | |
1101 | is also freed. */ | |
1102 | ||
1103 | extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); | |
1104 | #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) | |
1105 | #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) | |
1106 | ||
1107 | ||
b732d07d | 1108 | /* Helper function. Force an update of the current architecture. |
104c1213 | 1109 | |
b732d07d AC |
1110 | The actual architecture selected is determined by INFO, \`\`(gdb) set |
1111 | architecture'' et.al., the existing architecture and BFD's default | |
1112 | architecture. INFO should be initialized to zero and then selected | |
1113 | fields should be updated. | |
104c1213 | 1114 | |
16f33e29 AC |
1115 | Returns non-zero if the update succeeds */ |
1116 | ||
1117 | extern int gdbarch_update_p (struct gdbarch_info info); | |
104c1213 JM |
1118 | |
1119 | ||
ebdba546 AC |
1120 | /* Helper function. Find an architecture matching info. |
1121 | ||
1122 | INFO should be initialized using gdbarch_info_init, relevant fields | |
1123 | set, and then finished using gdbarch_info_fill. | |
1124 | ||
1125 | Returns the corresponding architecture, or NULL if no matching | |
1126 | architecture was found. "current_gdbarch" is not updated. */ | |
1127 | ||
1128 | extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); | |
1129 | ||
1130 | ||
1131 | /* Helper function. Set the global "current_gdbarch" to "gdbarch". | |
1132 | ||
1133 | FIXME: kettenis/20031124: Of the functions that follow, only | |
1134 | gdbarch_from_bfd is supposed to survive. The others will | |
1135 | dissappear since in the future GDB will (hopefully) be truly | |
1136 | multi-arch. However, for now we're still stuck with the concept of | |
1137 | a single active architecture. */ | |
1138 | ||
1139 | extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch); | |
1140 | ||
104c1213 JM |
1141 | |
1142 | /* Register per-architecture data-pointer. | |
1143 | ||
1144 | Reserve space for a per-architecture data-pointer. An identifier | |
1145 | for the reserved data-pointer is returned. That identifer should | |
95160752 | 1146 | be saved in a local static variable. |
104c1213 | 1147 | |
fcc1c85c AC |
1148 | Memory for the per-architecture data shall be allocated using |
1149 | gdbarch_obstack_zalloc. That memory will be deleted when the | |
1150 | corresponding architecture object is deleted. | |
104c1213 | 1151 | |
95160752 AC |
1152 | When a previously created architecture is re-selected, the |
1153 | per-architecture data-pointer for that previous architecture is | |
76860b5f | 1154 | restored. INIT() is not re-called. |
104c1213 JM |
1155 | |
1156 | Multiple registrarants for any architecture are allowed (and | |
1157 | strongly encouraged). */ | |
1158 | ||
95160752 | 1159 | struct gdbarch_data; |
104c1213 | 1160 | |
030f20e1 AC |
1161 | typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
1162 | extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); | |
1163 | typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); | |
1164 | extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); | |
1165 | extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, | |
1166 | struct gdbarch_data *data, | |
1167 | void *pointer); | |
104c1213 | 1168 | |
451fbdda | 1169 | extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
104c1213 JM |
1170 | |
1171 | ||
a8cf2722 | 1172 | |
104c1213 JM |
1173 | /* Register per-architecture memory region. |
1174 | ||
1175 | Provide a memory-region swap mechanism. Per-architecture memory | |
1176 | region are created. These memory regions are swapped whenever the | |
1177 | architecture is changed. For a new architecture, the memory region | |
1178 | is initialized with zero (0) and the INIT function is called. | |
1179 | ||
1180 | Memory regions are swapped / initialized in the order that they are | |
1181 | registered. NULL DATA and/or INIT values can be specified. | |
1182 | ||
030f20e1 | 1183 | New code should use gdbarch_data_register_*(). */ |
104c1213 JM |
1184 | |
1185 | typedef void (gdbarch_swap_ftype) (void); | |
046a4708 AC |
1186 | extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init); |
1187 | #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL) | |
104c1213 JM |
1188 | |
1189 | ||
1190 | ||
0fa6923a | 1191 | /* Set the dynamic target-system-dependent parameters (architecture, |
104c1213 JM |
1192 | byte-order, ...) using information found in the BFD */ |
1193 | ||
1194 | extern void set_gdbarch_from_file (bfd *); | |
1195 | ||
1196 | ||
e514a9d6 JM |
1197 | /* Initialize the current architecture to the "first" one we find on |
1198 | our list. */ | |
1199 | ||
1200 | extern void initialize_current_architecture (void); | |
1201 | ||
104c1213 JM |
1202 | /* gdbarch trace variable */ |
1203 | extern int gdbarch_debug; | |
1204 | ||
4b9b3959 | 1205 | extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
104c1213 JM |
1206 | |
1207 | #endif | |
1208 | EOF | |
1209 | exec 1>&2 | |
1210 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 1211 | compare_new gdbarch.h |
104c1213 JM |
1212 | |
1213 | ||
1214 | # | |
1215 | # C file | |
1216 | # | |
1217 | ||
1218 | exec > new-gdbarch.c | |
1219 | copyright | |
1220 | cat <<EOF | |
1221 | ||
1222 | #include "defs.h" | |
7355ddba | 1223 | #include "arch-utils.h" |
104c1213 | 1224 | |
104c1213 JM |
1225 | #include "gdbcmd.h" |
1226 | #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */ | |
104c1213 JM |
1227 | #include "symcat.h" |
1228 | ||
f0d4cc9e | 1229 | #include "floatformat.h" |
104c1213 | 1230 | |
95160752 | 1231 | #include "gdb_assert.h" |
b66d6d2e | 1232 | #include "gdb_string.h" |
67c2c32c | 1233 | #include "gdb-events.h" |
b59ff9d5 | 1234 | #include "reggroups.h" |
4be87837 | 1235 | #include "osabi.h" |
aebd7893 | 1236 | #include "gdb_obstack.h" |
95160752 | 1237 | |
104c1213 JM |
1238 | /* Static function declarations */ |
1239 | ||
b3cc3077 | 1240 | static void alloc_gdbarch_data (struct gdbarch *); |
104c1213 | 1241 | |
104c1213 JM |
1242 | /* Non-zero if we want to trace architecture code. */ |
1243 | ||
1244 | #ifndef GDBARCH_DEBUG | |
1245 | #define GDBARCH_DEBUG 0 | |
1246 | #endif | |
1247 | int gdbarch_debug = GDBARCH_DEBUG; | |
1248 | ||
1249 | EOF | |
1250 | ||
1251 | # gdbarch open the gdbarch object | |
3d9a5942 AC |
1252 | printf "\n" |
1253 | printf "/* Maintain the struct gdbarch object */\n" | |
1254 | printf "\n" | |
1255 | printf "struct gdbarch\n" | |
1256 | printf "{\n" | |
76860b5f AC |
1257 | printf " /* Has this architecture been fully initialized? */\n" |
1258 | printf " int initialized_p;\n" | |
aebd7893 AC |
1259 | printf "\n" |
1260 | printf " /* An obstack bound to the lifetime of the architecture. */\n" | |
1261 | printf " struct obstack *obstack;\n" | |
1262 | printf "\n" | |
3d9a5942 | 1263 | printf " /* basic architectural information */\n" |
34620563 | 1264 | function_list | while do_read |
104c1213 | 1265 | do |
2ada493a AC |
1266 | if class_is_info_p |
1267 | then | |
3d9a5942 | 1268 | printf " ${returntype} ${function};\n" |
2ada493a | 1269 | fi |
104c1213 | 1270 | done |
3d9a5942 AC |
1271 | printf "\n" |
1272 | printf " /* target specific vector. */\n" | |
1273 | printf " struct gdbarch_tdep *tdep;\n" | |
1274 | printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" | |
1275 | printf "\n" | |
1276 | printf " /* per-architecture data-pointers */\n" | |
95160752 | 1277 | printf " unsigned nr_data;\n" |
3d9a5942 AC |
1278 | printf " void **data;\n" |
1279 | printf "\n" | |
1280 | printf " /* per-architecture swap-regions */\n" | |
1281 | printf " struct gdbarch_swap *swap;\n" | |
1282 | printf "\n" | |
104c1213 JM |
1283 | cat <<EOF |
1284 | /* Multi-arch values. | |
1285 | ||
1286 | When extending this structure you must: | |
1287 | ||
1288 | Add the field below. | |
1289 | ||
1290 | Declare set/get functions and define the corresponding | |
1291 | macro in gdbarch.h. | |
1292 | ||
1293 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
1294 | initialize the new field. | |
1295 | ||
1296 | verify_gdbarch(): Confirm that the target updated the field | |
1297 | correctly. | |
1298 | ||
7e73cedf | 1299 | gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
104c1213 JM |
1300 | field is dumped out |
1301 | ||
c0e8c252 | 1302 | \`\`startup_gdbarch()'': Append an initial value to the static |
104c1213 JM |
1303 | variable (base values on the host's c-type system). |
1304 | ||
1305 | get_gdbarch(): Implement the set/get functions (probably using | |
1306 | the macro's as shortcuts). | |
1307 | ||
1308 | */ | |
1309 | ||
1310 | EOF | |
34620563 | 1311 | function_list | while do_read |
104c1213 | 1312 | do |
2ada493a AC |
1313 | if class_is_variable_p |
1314 | then | |
3d9a5942 | 1315 | printf " ${returntype} ${function};\n" |
2ada493a AC |
1316 | elif class_is_function_p |
1317 | then | |
3d9a5942 | 1318 | printf " gdbarch_${function}_ftype *${function}${attrib};\n" |
2ada493a | 1319 | fi |
104c1213 | 1320 | done |
3d9a5942 | 1321 | printf "};\n" |
104c1213 JM |
1322 | |
1323 | # A pre-initialized vector | |
3d9a5942 AC |
1324 | printf "\n" |
1325 | printf "\n" | |
104c1213 JM |
1326 | cat <<EOF |
1327 | /* The default architecture uses host values (for want of a better | |
1328 | choice). */ | |
1329 | EOF | |
3d9a5942 AC |
1330 | printf "\n" |
1331 | printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n" | |
1332 | printf "\n" | |
1333 | printf "struct gdbarch startup_gdbarch =\n" | |
1334 | printf "{\n" | |
76860b5f | 1335 | printf " 1, /* Always initialized. */\n" |
aebd7893 | 1336 | printf " NULL, /* The obstack. */\n" |
3d9a5942 | 1337 | printf " /* basic architecture information */\n" |
4b9b3959 | 1338 | function_list | while do_read |
104c1213 | 1339 | do |
2ada493a AC |
1340 | if class_is_info_p |
1341 | then | |
ec5cbaec | 1342 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1343 | fi |
104c1213 JM |
1344 | done |
1345 | cat <<EOF | |
4b9b3959 AC |
1346 | /* target specific vector and its dump routine */ |
1347 | NULL, NULL, | |
104c1213 JM |
1348 | /*per-architecture data-pointers and swap regions */ |
1349 | 0, NULL, NULL, | |
1350 | /* Multi-arch values */ | |
1351 | EOF | |
34620563 | 1352 | function_list | while do_read |
104c1213 | 1353 | do |
2ada493a AC |
1354 | if class_is_function_p || class_is_variable_p |
1355 | then | |
ec5cbaec | 1356 | printf " ${staticdefault}, /* ${function} */\n" |
2ada493a | 1357 | fi |
104c1213 JM |
1358 | done |
1359 | cat <<EOF | |
c0e8c252 | 1360 | /* startup_gdbarch() */ |
104c1213 | 1361 | }; |
4b9b3959 | 1362 | |
c0e8c252 | 1363 | struct gdbarch *current_gdbarch = &startup_gdbarch; |
104c1213 JM |
1364 | EOF |
1365 | ||
1366 | # Create a new gdbarch struct | |
104c1213 | 1367 | cat <<EOF |
7de2341d | 1368 | |
66b43ecb | 1369 | /* Create a new \`\`struct gdbarch'' based on information provided by |
104c1213 JM |
1370 | \`\`struct gdbarch_info''. */ |
1371 | EOF | |
3d9a5942 | 1372 | printf "\n" |
104c1213 JM |
1373 | cat <<EOF |
1374 | struct gdbarch * | |
1375 | gdbarch_alloc (const struct gdbarch_info *info, | |
1376 | struct gdbarch_tdep *tdep) | |
1377 | { | |
85de9627 AC |
1378 | /* NOTE: The new architecture variable is named \`\`current_gdbarch'' |
1379 | so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to | |
1380 | the current local architecture and not the previous global | |
1381 | architecture. This ensures that the new architectures initial | |
1382 | values are not influenced by the previous architecture. Once | |
1383 | everything is parameterised with gdbarch, this will go away. */ | |
aebd7893 AC |
1384 | struct gdbarch *current_gdbarch; |
1385 | ||
1386 | /* Create an obstack for allocating all the per-architecture memory, | |
1387 | then use that to allocate the architecture vector. */ | |
1388 | struct obstack *obstack = XMALLOC (struct obstack); | |
1389 | obstack_init (obstack); | |
1390 | current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch)); | |
85de9627 | 1391 | memset (current_gdbarch, 0, sizeof (*current_gdbarch)); |
aebd7893 | 1392 | current_gdbarch->obstack = obstack; |
85de9627 AC |
1393 | |
1394 | alloc_gdbarch_data (current_gdbarch); | |
1395 | ||
1396 | current_gdbarch->tdep = tdep; | |
104c1213 | 1397 | EOF |
3d9a5942 | 1398 | printf "\n" |
34620563 | 1399 | function_list | while do_read |
104c1213 | 1400 | do |
2ada493a AC |
1401 | if class_is_info_p |
1402 | then | |
85de9627 | 1403 | printf " current_gdbarch->${function} = info->${function};\n" |
2ada493a | 1404 | fi |
104c1213 | 1405 | done |
3d9a5942 AC |
1406 | printf "\n" |
1407 | printf " /* Force the explicit initialization of these. */\n" | |
34620563 | 1408 | function_list | while do_read |
104c1213 | 1409 | do |
2ada493a AC |
1410 | if class_is_function_p || class_is_variable_p |
1411 | then | |
72e74a21 | 1412 | if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
104c1213 | 1413 | then |
85de9627 | 1414 | printf " current_gdbarch->${function} = ${predefault};\n" |
104c1213 | 1415 | fi |
2ada493a | 1416 | fi |
104c1213 JM |
1417 | done |
1418 | cat <<EOF | |
1419 | /* gdbarch_alloc() */ | |
1420 | ||
85de9627 | 1421 | return current_gdbarch; |
104c1213 JM |
1422 | } |
1423 | EOF | |
1424 | ||
058f20d5 | 1425 | # Free a gdbarch struct. |
3d9a5942 AC |
1426 | printf "\n" |
1427 | printf "\n" | |
058f20d5 | 1428 | cat <<EOF |
aebd7893 AC |
1429 | /* Allocate extra space using the per-architecture obstack. */ |
1430 | ||
1431 | void * | |
1432 | gdbarch_obstack_zalloc (struct gdbarch *arch, long size) | |
1433 | { | |
1434 | void *data = obstack_alloc (arch->obstack, size); | |
1435 | memset (data, 0, size); | |
1436 | return data; | |
1437 | } | |
1438 | ||
1439 | ||
058f20d5 JB |
1440 | /* Free a gdbarch struct. This should never happen in normal |
1441 | operation --- once you've created a gdbarch, you keep it around. | |
1442 | However, if an architecture's init function encounters an error | |
1443 | building the structure, it may need to clean up a partially | |
1444 | constructed gdbarch. */ | |
4b9b3959 | 1445 | |
058f20d5 JB |
1446 | void |
1447 | gdbarch_free (struct gdbarch *arch) | |
1448 | { | |
aebd7893 | 1449 | struct obstack *obstack; |
95160752 | 1450 | gdb_assert (arch != NULL); |
aebd7893 AC |
1451 | gdb_assert (!arch->initialized_p); |
1452 | obstack = arch->obstack; | |
1453 | obstack_free (obstack, 0); /* Includes the ARCH. */ | |
1454 | xfree (obstack); | |
058f20d5 JB |
1455 | } |
1456 | EOF | |
1457 | ||
104c1213 | 1458 | # verify a new architecture |
104c1213 | 1459 | cat <<EOF |
db446970 AC |
1460 | |
1461 | ||
1462 | /* Ensure that all values in a GDBARCH are reasonable. */ | |
1463 | ||
1464 | /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it | |
1465 | just happens to match the global variable \`\`current_gdbarch''. That | |
1466 | way macros refering to that variable get the local and not the global | |
1467 | version - ulgh. Once everything is parameterised with gdbarch, this | |
1468 | will go away. */ | |
1469 | ||
104c1213 | 1470 | static void |
db446970 | 1471 | verify_gdbarch (struct gdbarch *current_gdbarch) |
104c1213 | 1472 | { |
f16a1923 AC |
1473 | struct ui_file *log; |
1474 | struct cleanup *cleanups; | |
1475 | long dummy; | |
1476 | char *buf; | |
f16a1923 AC |
1477 | log = mem_fileopen (); |
1478 | cleanups = make_cleanup_ui_file_delete (log); | |
104c1213 | 1479 | /* fundamental */ |
db446970 | 1480 | if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
f16a1923 | 1481 | fprintf_unfiltered (log, "\n\tbyte-order"); |
db446970 | 1482 | if (current_gdbarch->bfd_arch_info == NULL) |
f16a1923 | 1483 | fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
104c1213 JM |
1484 | /* Check those that need to be defined for the given multi-arch level. */ |
1485 | EOF | |
34620563 | 1486 | function_list | while do_read |
104c1213 | 1487 | do |
2ada493a AC |
1488 | if class_is_function_p || class_is_variable_p |
1489 | then | |
72e74a21 | 1490 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1491 | then |
3d9a5942 | 1492 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
2ada493a AC |
1493 | elif class_is_predicate_p |
1494 | then | |
3d9a5942 | 1495 | printf " /* Skip verify of ${function}, has predicate */\n" |
f0d4cc9e | 1496 | # FIXME: See do_read for potential simplification |
72e74a21 | 1497 | elif [ -n "${invalid_p}" -a -n "${postdefault}" ] |
f0d4cc9e | 1498 | then |
3d9a5942 | 1499 | printf " if (${invalid_p})\n" |
db446970 | 1500 | printf " current_gdbarch->${function} = ${postdefault};\n" |
72e74a21 | 1501 | elif [ -n "${predefault}" -a -n "${postdefault}" ] |
f0d4cc9e | 1502 | then |
db446970 AC |
1503 | printf " if (current_gdbarch->${function} == ${predefault})\n" |
1504 | printf " current_gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1505 | elif [ -n "${postdefault}" ] |
f0d4cc9e | 1506 | then |
db446970 AC |
1507 | printf " if (current_gdbarch->${function} == 0)\n" |
1508 | printf " current_gdbarch->${function} = ${postdefault};\n" | |
72e74a21 | 1509 | elif [ -n "${invalid_p}" ] |
104c1213 | 1510 | then |
57010b1c | 1511 | printf " if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)\n" |
3d9a5942 | 1512 | printf " && (${invalid_p}))\n" |
f16a1923 | 1513 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
72e74a21 | 1514 | elif [ -n "${predefault}" ] |
104c1213 | 1515 | then |
57010b1c | 1516 | printf " if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)\n" |
db446970 | 1517 | printf " && (current_gdbarch->${function} == ${predefault}))\n" |
f16a1923 | 1518 | printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
104c1213 | 1519 | fi |
2ada493a | 1520 | fi |
104c1213 JM |
1521 | done |
1522 | cat <<EOF | |
f16a1923 AC |
1523 | buf = ui_file_xstrdup (log, &dummy); |
1524 | make_cleanup (xfree, buf); | |
1525 | if (strlen (buf) > 0) | |
1526 | internal_error (__FILE__, __LINE__, | |
1527 | "verify_gdbarch: the following are invalid ...%s", | |
1528 | buf); | |
1529 | do_cleanups (cleanups); | |
104c1213 JM |
1530 | } |
1531 | EOF | |
1532 | ||
1533 | # dump the structure | |
3d9a5942 AC |
1534 | printf "\n" |
1535 | printf "\n" | |
104c1213 | 1536 | cat <<EOF |
4b9b3959 AC |
1537 | /* Print out the details of the current architecture. */ |
1538 | ||
1539 | /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it | |
1540 | just happens to match the global variable \`\`current_gdbarch''. That | |
1541 | way macros refering to that variable get the local and not the global | |
1542 | version - ulgh. Once everything is parameterised with gdbarch, this | |
1543 | will go away. */ | |
1544 | ||
104c1213 | 1545 | void |
db446970 | 1546 | gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file) |
104c1213 | 1547 | { |
4b9b3959 AC |
1548 | fprintf_unfiltered (file, |
1549 | "gdbarch_dump: GDB_MULTI_ARCH = %d\\n", | |
1550 | GDB_MULTI_ARCH); | |
104c1213 | 1551 | EOF |
a2428dbe | 1552 | function_list | sort -t: -k 4 | while do_read |
104c1213 | 1553 | do |
1e9f55d0 AC |
1554 | # First the predicate |
1555 | if class_is_predicate_p | |
1556 | then | |
1557 | if class_is_multiarch_p | |
1558 | then | |
7996bcec AC |
1559 | printf " fprintf_unfiltered (file,\n" |
1560 | printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" | |
1561 | printf " gdbarch_${function}_p (current_gdbarch));\n" | |
1e9f55d0 AC |
1562 | else |
1563 | printf "#ifdef ${macro}_P\n" | |
1564 | printf " fprintf_unfiltered (file,\n" | |
1565 | printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n" | |
1566 | printf " \"${macro}_P()\",\n" | |
1567 | printf " XSTRING (${macro}_P ()));\n" | |
1568 | printf " fprintf_unfiltered (file,\n" | |
1569 | printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n" | |
1570 | printf " ${macro}_P ());\n" | |
1571 | printf "#endif\n" | |
1572 | fi | |
1573 | fi | |
4a5c6a1d | 1574 | # multiarch functions don't have macros. |
08e45a40 AC |
1575 | if class_is_multiarch_p |
1576 | then | |
7996bcec AC |
1577 | printf " fprintf_unfiltered (file,\n" |
1578 | printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n" | |
1579 | printf " (long) current_gdbarch->${function});\n" | |
08e45a40 AC |
1580 | continue |
1581 | fi | |
06b25f14 | 1582 | # Print the macro definition. |
08e45a40 | 1583 | printf "#ifdef ${macro}\n" |
2ada493a AC |
1584 | if class_is_function_p |
1585 | then | |
3d9a5942 AC |
1586 | printf " fprintf_unfiltered (file,\n" |
1587 | printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n" | |
1588 | printf " \"${macro}(${actual})\",\n" | |
1589 | printf " XSTRING (${macro} (${actual})));\n" | |
2ada493a | 1590 | else |
3d9a5942 AC |
1591 | printf " fprintf_unfiltered (file,\n" |
1592 | printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n" | |
1593 | printf " XSTRING (${macro}));\n" | |
4b9b3959 | 1594 | fi |
72e74a21 | 1595 | if [ "x${print_p}" = "x()" ] |
4b9b3959 | 1596 | then |
4a5c6a1d | 1597 | printf " gdbarch_dump_${function} (current_gdbarch);\n" |
72e74a21 | 1598 | elif [ "x${print_p}" = "x0" ] |
4b9b3959 | 1599 | then |
4a5c6a1d | 1600 | printf " /* skip print of ${macro}, print_p == 0. */\n" |
72e74a21 | 1601 | elif [ -n "${print_p}" ] |
4b9b3959 | 1602 | then |
4a5c6a1d | 1603 | printf " if (${print_p})\n" |
3d9a5942 AC |
1604 | printf " fprintf_unfiltered (file,\n" |
1605 | printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}" | |
1606 | printf " ${print});\n" | |
4b9b3959 AC |
1607 | elif class_is_function_p |
1608 | then | |
7996bcec AC |
1609 | printf " fprintf_unfiltered (file,\n" |
1610 | printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n" | |
1611 | printf " (long) current_gdbarch->${function}\n" | |
1612 | printf " /*${macro} ()*/);\n" | |
4b9b3959 | 1613 | else |
3d9a5942 AC |
1614 | printf " fprintf_unfiltered (file,\n" |
1615 | printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}" | |
1616 | printf " ${print});\n" | |
2ada493a | 1617 | fi |
3d9a5942 | 1618 | printf "#endif\n" |
104c1213 | 1619 | done |
381323f4 | 1620 | cat <<EOF |
4b9b3959 AC |
1621 | if (current_gdbarch->dump_tdep != NULL) |
1622 | current_gdbarch->dump_tdep (current_gdbarch, file); | |
381323f4 AC |
1623 | } |
1624 | EOF | |
104c1213 JM |
1625 | |
1626 | ||
1627 | # GET/SET | |
3d9a5942 | 1628 | printf "\n" |
104c1213 JM |
1629 | cat <<EOF |
1630 | struct gdbarch_tdep * | |
1631 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1632 | { | |
1633 | if (gdbarch_debug >= 2) | |
3d9a5942 | 1634 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
104c1213 JM |
1635 | return gdbarch->tdep; |
1636 | } | |
1637 | EOF | |
3d9a5942 | 1638 | printf "\n" |
34620563 | 1639 | function_list | while do_read |
104c1213 | 1640 | do |
2ada493a AC |
1641 | if class_is_predicate_p |
1642 | then | |
3d9a5942 AC |
1643 | printf "\n" |
1644 | printf "int\n" | |
1645 | printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" | |
1646 | printf "{\n" | |
8de9bdc4 | 1647 | printf " gdb_assert (gdbarch != NULL);\n" |
f7968451 | 1648 | printf " return ${predicate};\n" |
3d9a5942 | 1649 | printf "}\n" |
2ada493a AC |
1650 | fi |
1651 | if class_is_function_p | |
1652 | then | |
3d9a5942 AC |
1653 | printf "\n" |
1654 | printf "${returntype}\n" | |
72e74a21 | 1655 | if [ "x${formal}" = "xvoid" ] |
104c1213 | 1656 | then |
3d9a5942 | 1657 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
104c1213 | 1658 | else |
3d9a5942 | 1659 | printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
104c1213 | 1660 | fi |
3d9a5942 | 1661 | printf "{\n" |
8de9bdc4 | 1662 | printf " gdb_assert (gdbarch != NULL);\n" |
956ac328 | 1663 | printf " gdb_assert (gdbarch->${function} != NULL);\n" |
f7968451 | 1664 | if class_is_predicate_p && test -n "${predefault}" |
ae45cd16 AC |
1665 | then |
1666 | # Allow a call to a function with a predicate. | |
956ac328 | 1667 | printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
ae45cd16 | 1668 | fi |
3d9a5942 AC |
1669 | printf " if (gdbarch_debug >= 2)\n" |
1670 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
72e74a21 | 1671 | if [ "x${actual}" = "x-" -o "x${actual}" = "x" ] |
4a5c6a1d AC |
1672 | then |
1673 | if class_is_multiarch_p | |
1674 | then | |
1675 | params="gdbarch" | |
1676 | else | |
1677 | params="" | |
1678 | fi | |
1679 | else | |
1680 | if class_is_multiarch_p | |
1681 | then | |
1682 | params="gdbarch, ${actual}" | |
1683 | else | |
1684 | params="${actual}" | |
1685 | fi | |
1686 | fi | |
72e74a21 | 1687 | if [ "x${returntype}" = "xvoid" ] |
104c1213 | 1688 | then |
4a5c6a1d | 1689 | printf " gdbarch->${function} (${params});\n" |
104c1213 | 1690 | else |
4a5c6a1d | 1691 | printf " return gdbarch->${function} (${params});\n" |
104c1213 | 1692 | fi |
3d9a5942 AC |
1693 | printf "}\n" |
1694 | printf "\n" | |
1695 | printf "void\n" | |
1696 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1697 | printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" | |
1698 | printf "{\n" | |
1699 | printf " gdbarch->${function} = ${function};\n" | |
1700 | printf "}\n" | |
2ada493a AC |
1701 | elif class_is_variable_p |
1702 | then | |
3d9a5942 AC |
1703 | printf "\n" |
1704 | printf "${returntype}\n" | |
1705 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1706 | printf "{\n" | |
8de9bdc4 | 1707 | printf " gdb_assert (gdbarch != NULL);\n" |
72e74a21 | 1708 | if [ "x${invalid_p}" = "x0" ] |
c0e8c252 | 1709 | then |
3d9a5942 | 1710 | printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
72e74a21 | 1711 | elif [ -n "${invalid_p}" ] |
104c1213 | 1712 | then |
956ac328 AC |
1713 | printf " /* Check variable is valid. */\n" |
1714 | printf " gdb_assert (!(${invalid_p}));\n" | |
72e74a21 | 1715 | elif [ -n "${predefault}" ] |
104c1213 | 1716 | then |
956ac328 AC |
1717 | printf " /* Check variable changed from pre-default. */\n" |
1718 | printf " gdb_assert (gdbarch->${function} != ${predefault});\n" | |
104c1213 | 1719 | fi |
3d9a5942 AC |
1720 | printf " if (gdbarch_debug >= 2)\n" |
1721 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1722 | printf " return gdbarch->${function};\n" | |
1723 | printf "}\n" | |
1724 | printf "\n" | |
1725 | printf "void\n" | |
1726 | printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" | |
1727 | printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n" | |
1728 | printf "{\n" | |
1729 | printf " gdbarch->${function} = ${function};\n" | |
1730 | printf "}\n" | |
2ada493a AC |
1731 | elif class_is_info_p |
1732 | then | |
3d9a5942 AC |
1733 | printf "\n" |
1734 | printf "${returntype}\n" | |
1735 | printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" | |
1736 | printf "{\n" | |
8de9bdc4 | 1737 | printf " gdb_assert (gdbarch != NULL);\n" |
3d9a5942 AC |
1738 | printf " if (gdbarch_debug >= 2)\n" |
1739 | printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" | |
1740 | printf " return gdbarch->${function};\n" | |
1741 | printf "}\n" | |
2ada493a | 1742 | fi |
104c1213 JM |
1743 | done |
1744 | ||
1745 | # All the trailing guff | |
1746 | cat <<EOF | |
1747 | ||
1748 | ||
f44c642f | 1749 | /* Keep a registry of per-architecture data-pointers required by GDB |
104c1213 JM |
1750 | modules. */ |
1751 | ||
1752 | struct gdbarch_data | |
1753 | { | |
95160752 | 1754 | unsigned index; |
76860b5f | 1755 | int init_p; |
030f20e1 AC |
1756 | gdbarch_data_pre_init_ftype *pre_init; |
1757 | gdbarch_data_post_init_ftype *post_init; | |
104c1213 JM |
1758 | }; |
1759 | ||
1760 | struct gdbarch_data_registration | |
1761 | { | |
104c1213 JM |
1762 | struct gdbarch_data *data; |
1763 | struct gdbarch_data_registration *next; | |
1764 | }; | |
1765 | ||
f44c642f | 1766 | struct gdbarch_data_registry |
104c1213 | 1767 | { |
95160752 | 1768 | unsigned nr; |
104c1213 JM |
1769 | struct gdbarch_data_registration *registrations; |
1770 | }; | |
1771 | ||
f44c642f | 1772 | struct gdbarch_data_registry gdbarch_data_registry = |
104c1213 JM |
1773 | { |
1774 | 0, NULL, | |
1775 | }; | |
1776 | ||
030f20e1 AC |
1777 | static struct gdbarch_data * |
1778 | gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, | |
1779 | gdbarch_data_post_init_ftype *post_init) | |
104c1213 JM |
1780 | { |
1781 | struct gdbarch_data_registration **curr; | |
76860b5f | 1782 | /* Append the new registraration. */ |
f44c642f | 1783 | for (curr = &gdbarch_data_registry.registrations; |
104c1213 JM |
1784 | (*curr) != NULL; |
1785 | curr = &(*curr)->next); | |
1786 | (*curr) = XMALLOC (struct gdbarch_data_registration); | |
1787 | (*curr)->next = NULL; | |
104c1213 | 1788 | (*curr)->data = XMALLOC (struct gdbarch_data); |
f44c642f | 1789 | (*curr)->data->index = gdbarch_data_registry.nr++; |
030f20e1 AC |
1790 | (*curr)->data->pre_init = pre_init; |
1791 | (*curr)->data->post_init = post_init; | |
76860b5f | 1792 | (*curr)->data->init_p = 1; |
104c1213 JM |
1793 | return (*curr)->data; |
1794 | } | |
1795 | ||
030f20e1 AC |
1796 | struct gdbarch_data * |
1797 | gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) | |
1798 | { | |
1799 | return gdbarch_data_register (pre_init, NULL); | |
1800 | } | |
1801 | ||
1802 | struct gdbarch_data * | |
1803 | gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) | |
1804 | { | |
1805 | return gdbarch_data_register (NULL, post_init); | |
1806 | } | |
104c1213 | 1807 | |
b3cc3077 | 1808 | /* Create/delete the gdbarch data vector. */ |
95160752 AC |
1809 | |
1810 | static void | |
b3cc3077 | 1811 | alloc_gdbarch_data (struct gdbarch *gdbarch) |
95160752 | 1812 | { |
b3cc3077 JB |
1813 | gdb_assert (gdbarch->data == NULL); |
1814 | gdbarch->nr_data = gdbarch_data_registry.nr; | |
aebd7893 | 1815 | gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
b3cc3077 | 1816 | } |
3c875b6f | 1817 | |
76860b5f | 1818 | /* Initialize the current value of the specified per-architecture |
b3cc3077 JB |
1819 | data-pointer. */ |
1820 | ||
95160752 | 1821 | void |
030f20e1 AC |
1822 | deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
1823 | struct gdbarch_data *data, | |
1824 | void *pointer) | |
95160752 AC |
1825 | { |
1826 | gdb_assert (data->index < gdbarch->nr_data); | |
aebd7893 | 1827 | gdb_assert (gdbarch->data[data->index] == NULL); |
030f20e1 | 1828 | gdb_assert (data->pre_init == NULL); |
95160752 AC |
1829 | gdbarch->data[data->index] = pointer; |
1830 | } | |
1831 | ||
104c1213 JM |
1832 | /* Return the current value of the specified per-architecture |
1833 | data-pointer. */ | |
1834 | ||
1835 | void * | |
451fbdda | 1836 | gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
104c1213 | 1837 | { |
451fbdda | 1838 | gdb_assert (data->index < gdbarch->nr_data); |
030f20e1 | 1839 | if (gdbarch->data[data->index] == NULL) |
76860b5f | 1840 | { |
030f20e1 AC |
1841 | /* The data-pointer isn't initialized, call init() to get a |
1842 | value. */ | |
1843 | if (data->pre_init != NULL) | |
1844 | /* Mid architecture creation: pass just the obstack, and not | |
1845 | the entire architecture, as that way it isn't possible for | |
1846 | pre-init code to refer to undefined architecture | |
1847 | fields. */ | |
1848 | gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); | |
1849 | else if (gdbarch->initialized_p | |
1850 | && data->post_init != NULL) | |
1851 | /* Post architecture creation: pass the entire architecture | |
1852 | (as all fields are valid), but be careful to also detect | |
1853 | recursive references. */ | |
1854 | { | |
1855 | gdb_assert (data->init_p); | |
1856 | data->init_p = 0; | |
1857 | gdbarch->data[data->index] = data->post_init (gdbarch); | |
1858 | data->init_p = 1; | |
1859 | } | |
1860 | else | |
1861 | /* The architecture initialization hasn't completed - punt - | |
1862 | hope that the caller knows what they are doing. Once | |
1863 | deprecated_set_gdbarch_data has been initialized, this can be | |
1864 | changed to an internal error. */ | |
1865 | return NULL; | |
76860b5f AC |
1866 | gdb_assert (gdbarch->data[data->index] != NULL); |
1867 | } | |
451fbdda | 1868 | return gdbarch->data[data->index]; |
104c1213 JM |
1869 | } |
1870 | ||
1871 | ||
1872 | ||
f44c642f | 1873 | /* Keep a registry of swapped data required by GDB modules. */ |
104c1213 JM |
1874 | |
1875 | struct gdbarch_swap | |
1876 | { | |
1877 | void *swap; | |
1878 | struct gdbarch_swap_registration *source; | |
1879 | struct gdbarch_swap *next; | |
1880 | }; | |
1881 | ||
1882 | struct gdbarch_swap_registration | |
1883 | { | |
1884 | void *data; | |
1885 | unsigned long sizeof_data; | |
1886 | gdbarch_swap_ftype *init; | |
1887 | struct gdbarch_swap_registration *next; | |
1888 | }; | |
1889 | ||
f44c642f | 1890 | struct gdbarch_swap_registry |
104c1213 JM |
1891 | { |
1892 | int nr; | |
1893 | struct gdbarch_swap_registration *registrations; | |
1894 | }; | |
1895 | ||
f44c642f | 1896 | struct gdbarch_swap_registry gdbarch_swap_registry = |
104c1213 JM |
1897 | { |
1898 | 0, NULL, | |
1899 | }; | |
1900 | ||
1901 | void | |
046a4708 AC |
1902 | deprecated_register_gdbarch_swap (void *data, |
1903 | unsigned long sizeof_data, | |
1904 | gdbarch_swap_ftype *init) | |
104c1213 JM |
1905 | { |
1906 | struct gdbarch_swap_registration **rego; | |
f44c642f | 1907 | for (rego = &gdbarch_swap_registry.registrations; |
104c1213 JM |
1908 | (*rego) != NULL; |
1909 | rego = &(*rego)->next); | |
1910 | (*rego) = XMALLOC (struct gdbarch_swap_registration); | |
1911 | (*rego)->next = NULL; | |
1912 | (*rego)->init = init; | |
1913 | (*rego)->data = data; | |
1914 | (*rego)->sizeof_data = sizeof_data; | |
1915 | } | |
1916 | ||
40af4b0c | 1917 | static void |
7de2341d | 1918 | current_gdbarch_swap_init_hack (void) |
104c1213 JM |
1919 | { |
1920 | struct gdbarch_swap_registration *rego; | |
7de2341d | 1921 | struct gdbarch_swap **curr = ¤t_gdbarch->swap; |
f44c642f | 1922 | for (rego = gdbarch_swap_registry.registrations; |
104c1213 JM |
1923 | rego != NULL; |
1924 | rego = rego->next) | |
1925 | { | |
1926 | if (rego->data != NULL) | |
1927 | { | |
7de2341d AC |
1928 | (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch, |
1929 | struct gdbarch_swap); | |
104c1213 | 1930 | (*curr)->source = rego; |
7de2341d AC |
1931 | (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch, |
1932 | rego->sizeof_data); | |
104c1213 | 1933 | (*curr)->next = NULL; |
104c1213 JM |
1934 | curr = &(*curr)->next; |
1935 | } | |
1936 | if (rego->init != NULL) | |
1937 | rego->init (); | |
1938 | } | |
1939 | } | |
1940 | ||
7de2341d AC |
1941 | static struct gdbarch * |
1942 | current_gdbarch_swap_out_hack (void) | |
104c1213 | 1943 | { |
7de2341d | 1944 | struct gdbarch *old_gdbarch = current_gdbarch; |
104c1213 | 1945 | struct gdbarch_swap *curr; |
7de2341d AC |
1946 | |
1947 | gdb_assert (old_gdbarch != NULL); | |
1948 | for (curr = old_gdbarch->swap; | |
104c1213 JM |
1949 | curr != NULL; |
1950 | curr = curr->next) | |
7de2341d AC |
1951 | { |
1952 | memcpy (curr->swap, curr->source->data, curr->source->sizeof_data); | |
1953 | memset (curr->source->data, 0, curr->source->sizeof_data); | |
1954 | } | |
1955 | current_gdbarch = NULL; | |
1956 | return old_gdbarch; | |
104c1213 JM |
1957 | } |
1958 | ||
1959 | static void | |
7de2341d | 1960 | current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch) |
104c1213 JM |
1961 | { |
1962 | struct gdbarch_swap *curr; | |
7de2341d AC |
1963 | |
1964 | gdb_assert (current_gdbarch == NULL); | |
1965 | for (curr = new_gdbarch->swap; | |
104c1213 JM |
1966 | curr != NULL; |
1967 | curr = curr->next) | |
1968 | memcpy (curr->source->data, curr->swap, curr->source->sizeof_data); | |
7de2341d | 1969 | current_gdbarch = new_gdbarch; |
104c1213 JM |
1970 | } |
1971 | ||
1972 | ||
f44c642f | 1973 | /* Keep a registry of the architectures known by GDB. */ |
104c1213 | 1974 | |
4b9b3959 | 1975 | struct gdbarch_registration |
104c1213 JM |
1976 | { |
1977 | enum bfd_architecture bfd_architecture; | |
1978 | gdbarch_init_ftype *init; | |
4b9b3959 | 1979 | gdbarch_dump_tdep_ftype *dump_tdep; |
104c1213 | 1980 | struct gdbarch_list *arches; |
4b9b3959 | 1981 | struct gdbarch_registration *next; |
104c1213 JM |
1982 | }; |
1983 | ||
f44c642f | 1984 | static struct gdbarch_registration *gdbarch_registry = NULL; |
104c1213 | 1985 | |
b4a20239 AC |
1986 | static void |
1987 | append_name (const char ***buf, int *nr, const char *name) | |
1988 | { | |
1989 | *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); | |
1990 | (*buf)[*nr] = name; | |
1991 | *nr += 1; | |
1992 | } | |
1993 | ||
1994 | const char ** | |
1995 | gdbarch_printable_names (void) | |
1996 | { | |
7996bcec AC |
1997 | /* Accumulate a list of names based on the registed list of |
1998 | architectures. */ | |
1999 | enum bfd_architecture a; | |
2000 | int nr_arches = 0; | |
2001 | const char **arches = NULL; | |
2002 | struct gdbarch_registration *rego; | |
2003 | for (rego = gdbarch_registry; | |
2004 | rego != NULL; | |
2005 | rego = rego->next) | |
b4a20239 | 2006 | { |
7996bcec AC |
2007 | const struct bfd_arch_info *ap; |
2008 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2009 | if (ap == NULL) | |
2010 | internal_error (__FILE__, __LINE__, | |
2011 | "gdbarch_architecture_names: multi-arch unknown"); | |
2012 | do | |
2013 | { | |
2014 | append_name (&arches, &nr_arches, ap->printable_name); | |
2015 | ap = ap->next; | |
2016 | } | |
2017 | while (ap != NULL); | |
b4a20239 | 2018 | } |
7996bcec AC |
2019 | append_name (&arches, &nr_arches, NULL); |
2020 | return arches; | |
b4a20239 AC |
2021 | } |
2022 | ||
2023 | ||
104c1213 | 2024 | void |
4b9b3959 AC |
2025 | gdbarch_register (enum bfd_architecture bfd_architecture, |
2026 | gdbarch_init_ftype *init, | |
2027 | gdbarch_dump_tdep_ftype *dump_tdep) | |
104c1213 | 2028 | { |
4b9b3959 | 2029 | struct gdbarch_registration **curr; |
104c1213 | 2030 | const struct bfd_arch_info *bfd_arch_info; |
ec3d358c | 2031 | /* Check that BFD recognizes this architecture */ |
104c1213 JM |
2032 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
2033 | if (bfd_arch_info == NULL) | |
2034 | { | |
8e65ff28 AC |
2035 | internal_error (__FILE__, __LINE__, |
2036 | "gdbarch: Attempt to register unknown architecture (%d)", | |
2037 | bfd_architecture); | |
104c1213 JM |
2038 | } |
2039 | /* Check that we haven't seen this architecture before */ | |
f44c642f | 2040 | for (curr = &gdbarch_registry; |
104c1213 JM |
2041 | (*curr) != NULL; |
2042 | curr = &(*curr)->next) | |
2043 | { | |
2044 | if (bfd_architecture == (*curr)->bfd_architecture) | |
8e65ff28 AC |
2045 | internal_error (__FILE__, __LINE__, |
2046 | "gdbarch: Duplicate registraration of architecture (%s)", | |
2047 | bfd_arch_info->printable_name); | |
104c1213 JM |
2048 | } |
2049 | /* log it */ | |
2050 | if (gdbarch_debug) | |
2051 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n", | |
2052 | bfd_arch_info->printable_name, | |
2053 | (long) init); | |
2054 | /* Append it */ | |
4b9b3959 | 2055 | (*curr) = XMALLOC (struct gdbarch_registration); |
104c1213 JM |
2056 | (*curr)->bfd_architecture = bfd_architecture; |
2057 | (*curr)->init = init; | |
4b9b3959 | 2058 | (*curr)->dump_tdep = dump_tdep; |
104c1213 JM |
2059 | (*curr)->arches = NULL; |
2060 | (*curr)->next = NULL; | |
4b9b3959 AC |
2061 | } |
2062 | ||
2063 | void | |
2064 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
2065 | gdbarch_init_ftype *init) | |
2066 | { | |
2067 | gdbarch_register (bfd_architecture, init, NULL); | |
104c1213 | 2068 | } |
104c1213 JM |
2069 | |
2070 | ||
2071 | /* Look for an architecture using gdbarch_info. Base search on only | |
2072 | BFD_ARCH_INFO and BYTE_ORDER. */ | |
2073 | ||
2074 | struct gdbarch_list * | |
2075 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
2076 | const struct gdbarch_info *info) | |
2077 | { | |
2078 | for (; arches != NULL; arches = arches->next) | |
2079 | { | |
2080 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
2081 | continue; | |
2082 | if (info->byte_order != arches->gdbarch->byte_order) | |
2083 | continue; | |
4be87837 DJ |
2084 | if (info->osabi != arches->gdbarch->osabi) |
2085 | continue; | |
104c1213 JM |
2086 | return arches; |
2087 | } | |
2088 | return NULL; | |
2089 | } | |
2090 | ||
2091 | ||
ebdba546 AC |
2092 | /* Find an architecture that matches the specified INFO. Create a new |
2093 | architecture if needed. Return that new architecture. Assumes | |
2094 | that there is no current architecture. */ | |
104c1213 | 2095 | |
ebdba546 AC |
2096 | static struct gdbarch * |
2097 | find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info) | |
104c1213 JM |
2098 | { |
2099 | struct gdbarch *new_gdbarch; | |
4b9b3959 | 2100 | struct gdbarch_registration *rego; |
104c1213 | 2101 | |
ebdba546 AC |
2102 | /* The existing architecture has been swapped out - all this code |
2103 | works from a clean slate. */ | |
2104 | gdb_assert (current_gdbarch == NULL); | |
2105 | ||
b732d07d | 2106 | /* Fill in missing parts of the INFO struct using a number of |
ebdba546 AC |
2107 | sources: "set ..."; INFOabfd supplied; and the existing |
2108 | architecture. */ | |
2109 | gdbarch_info_fill (old_gdbarch, &info); | |
4be87837 | 2110 | |
b732d07d AC |
2111 | /* Must have found some sort of architecture. */ |
2112 | gdb_assert (info.bfd_arch_info != NULL); | |
104c1213 JM |
2113 | |
2114 | if (gdbarch_debug) | |
2115 | { | |
2116 | fprintf_unfiltered (gdb_stdlog, | |
ebdba546 | 2117 | "find_arch_by_info: info.bfd_arch_info %s\n", |
104c1213 JM |
2118 | (info.bfd_arch_info != NULL |
2119 | ? info.bfd_arch_info->printable_name | |
2120 | : "(null)")); | |
2121 | fprintf_unfiltered (gdb_stdlog, | |
ebdba546 | 2122 | "find_arch_by_info: info.byte_order %d (%s)\n", |
104c1213 | 2123 | info.byte_order, |
d7449b42 | 2124 | (info.byte_order == BFD_ENDIAN_BIG ? "big" |
778eb05e | 2125 | : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
104c1213 | 2126 | : "default")); |
4be87837 | 2127 | fprintf_unfiltered (gdb_stdlog, |
ebdba546 | 2128 | "find_arch_by_info: info.osabi %d (%s)\n", |
4be87837 | 2129 | info.osabi, gdbarch_osabi_name (info.osabi)); |
104c1213 | 2130 | fprintf_unfiltered (gdb_stdlog, |
ebdba546 | 2131 | "find_arch_by_info: info.abfd 0x%lx\n", |
104c1213 JM |
2132 | (long) info.abfd); |
2133 | fprintf_unfiltered (gdb_stdlog, | |
ebdba546 | 2134 | "find_arch_by_info: info.tdep_info 0x%lx\n", |
104c1213 JM |
2135 | (long) info.tdep_info); |
2136 | } | |
2137 | ||
ebdba546 | 2138 | /* Find the tdep code that knows about this architecture. */ |
b732d07d AC |
2139 | for (rego = gdbarch_registry; |
2140 | rego != NULL; | |
2141 | rego = rego->next) | |
2142 | if (rego->bfd_architecture == info.bfd_arch_info->arch) | |
2143 | break; | |
2144 | if (rego == NULL) | |
2145 | { | |
2146 | if (gdbarch_debug) | |
ebdba546 AC |
2147 | fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: " |
2148 | "No matching architecture\n"); | |
b732d07d AC |
2149 | return 0; |
2150 | } | |
2151 | ||
ebdba546 | 2152 | /* Ask the tdep code for an architecture that matches "info". */ |
104c1213 JM |
2153 | new_gdbarch = rego->init (info, rego->arches); |
2154 | ||
ebdba546 AC |
2155 | /* Did the tdep code like it? No. Reject the change and revert to |
2156 | the old architecture. */ | |
104c1213 JM |
2157 | if (new_gdbarch == NULL) |
2158 | { | |
2159 | if (gdbarch_debug) | |
ebdba546 AC |
2160 | fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: " |
2161 | "Target rejected architecture\n"); | |
2162 | return NULL; | |
104c1213 JM |
2163 | } |
2164 | ||
ebdba546 AC |
2165 | /* Is this a pre-existing architecture (as determined by already |
2166 | being initialized)? Move it to the front of the architecture | |
2167 | list (keeping the list sorted Most Recently Used). */ | |
2168 | if (new_gdbarch->initialized_p) | |
104c1213 | 2169 | { |
ebdba546 AC |
2170 | struct gdbarch_list **list; |
2171 | struct gdbarch_list *this; | |
104c1213 | 2172 | if (gdbarch_debug) |
ebdba546 AC |
2173 | fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: " |
2174 | "Previous architecture 0x%08lx (%s) selected\n", | |
104c1213 JM |
2175 | (long) new_gdbarch, |
2176 | new_gdbarch->bfd_arch_info->printable_name); | |
ebdba546 AC |
2177 | /* Find the existing arch in the list. */ |
2178 | for (list = ®o->arches; | |
2179 | (*list) != NULL && (*list)->gdbarch != new_gdbarch; | |
2180 | list = &(*list)->next); | |
2181 | /* It had better be in the list of architectures. */ | |
2182 | gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); | |
2183 | /* Unlink THIS. */ | |
2184 | this = (*list); | |
2185 | (*list) = this->next; | |
2186 | /* Insert THIS at the front. */ | |
2187 | this->next = rego->arches; | |
2188 | rego->arches = this; | |
2189 | /* Return it. */ | |
2190 | return new_gdbarch; | |
104c1213 JM |
2191 | } |
2192 | ||
ebdba546 AC |
2193 | /* It's a new architecture. */ |
2194 | if (gdbarch_debug) | |
2195 | fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: " | |
2196 | "New architecture 0x%08lx (%s) selected\n", | |
2197 | (long) new_gdbarch, | |
2198 | new_gdbarch->bfd_arch_info->printable_name); | |
2199 | ||
2200 | /* Insert the new architecture into the front of the architecture | |
2201 | list (keep the list sorted Most Recently Used). */ | |
0f79675b AC |
2202 | { |
2203 | struct gdbarch_list *this = XMALLOC (struct gdbarch_list); | |
2204 | this->next = rego->arches; | |
2205 | this->gdbarch = new_gdbarch; | |
2206 | rego->arches = this; | |
2207 | } | |
104c1213 | 2208 | |
4b9b3959 AC |
2209 | /* Check that the newly installed architecture is valid. Plug in |
2210 | any post init values. */ | |
2211 | new_gdbarch->dump_tdep = rego->dump_tdep; | |
104c1213 | 2212 | verify_gdbarch (new_gdbarch); |
ebdba546 | 2213 | new_gdbarch->initialized_p = 1; |
104c1213 | 2214 | |
ebdba546 AC |
2215 | /* Initialize any per-architecture swap areas. This phase requires |
2216 | a valid global CURRENT_GDBARCH. Set it momentarially, and then | |
2217 | swap the entire architecture out. */ | |
2218 | current_gdbarch = new_gdbarch; | |
7de2341d | 2219 | current_gdbarch_swap_init_hack (); |
ebdba546 | 2220 | current_gdbarch_swap_out_hack (); |
67c2c32c | 2221 | |
4b9b3959 | 2222 | if (gdbarch_debug) |
ebdba546 AC |
2223 | gdbarch_dump (new_gdbarch, gdb_stdlog); |
2224 | ||
2225 | return new_gdbarch; | |
2226 | } | |
2227 | ||
2228 | struct gdbarch * | |
2229 | gdbarch_find_by_info (struct gdbarch_info info) | |
2230 | { | |
2231 | /* Save the previously selected architecture, setting the global to | |
2232 | NULL. This stops things like gdbarch->init() trying to use the | |
2233 | previous architecture's configuration. The previous architecture | |
2234 | may not even be of the same architecture family. The most recent | |
2235 | architecture of the same family is found at the head of the | |
2236 | rego->arches list. */ | |
2237 | struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack (); | |
2238 | ||
2239 | /* Find the specified architecture. */ | |
2240 | struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info); | |
2241 | ||
2242 | /* Restore the existing architecture. */ | |
2243 | gdb_assert (current_gdbarch == NULL); | |
2244 | current_gdbarch_swap_in_hack (old_gdbarch); | |
4b9b3959 | 2245 | |
ebdba546 | 2246 | return new_gdbarch; |
104c1213 JM |
2247 | } |
2248 | ||
ebdba546 AC |
2249 | /* Make the specified architecture current, swapping the existing one |
2250 | out. */ | |
2251 | ||
2252 | void | |
2253 | deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch) | |
2254 | { | |
2255 | gdb_assert (new_gdbarch != NULL); | |
2256 | gdb_assert (current_gdbarch != NULL); | |
2257 | gdb_assert (new_gdbarch->initialized_p); | |
2258 | current_gdbarch_swap_out_hack (); | |
2259 | current_gdbarch_swap_in_hack (new_gdbarch); | |
2260 | architecture_changed_event (); | |
2261 | } | |
104c1213 | 2262 | |
104c1213 | 2263 | extern void _initialize_gdbarch (void); |
b4a20239 | 2264 | |
104c1213 | 2265 | void |
34620563 | 2266 | _initialize_gdbarch (void) |
104c1213 | 2267 | { |
59233f88 AC |
2268 | struct cmd_list_element *c; |
2269 | ||
59233f88 | 2270 | add_show_from_set (add_set_cmd ("arch", |
104c1213 JM |
2271 | class_maintenance, |
2272 | var_zinteger, | |
2273 | (char *)&gdbarch_debug, | |
3d9a5942 | 2274 | "Set architecture debugging.\\n\\ |
59233f88 AC |
2275 | When non-zero, architecture debugging is enabled.", &setdebuglist), |
2276 | &showdebuglist); | |
2277 | c = add_set_cmd ("archdebug", | |
2278 | class_maintenance, | |
2279 | var_zinteger, | |
2280 | (char *)&gdbarch_debug, | |
3d9a5942 | 2281 | "Set architecture debugging.\\n\\ |
59233f88 AC |
2282 | When non-zero, architecture debugging is enabled.", &setlist); |
2283 | ||
2284 | deprecate_cmd (c, "set debug arch"); | |
2285 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch"); | |
104c1213 JM |
2286 | } |
2287 | EOF | |
2288 | ||
2289 | # close things off | |
2290 | exec 1>&2 | |
2291 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2292 | compare_new gdbarch.c |