2003-06-13 Andrew Cagney <cagney@redhat.com>
[deliverable/binutils-gdb.git] / gdb / gdbarch.sh
CommitLineData
66b43ecb 1#!/bin/sh -u
104c1213
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2
3# Architecture commands for GDB, the GNU debugger.
1e698235 4# Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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5#
6# This file is part of GDB.
7#
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21
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22# Make certain that the script is running in an internationalized
23# environment.
24LANG=c ; export LANG
1bd316f0 25LC_ALL=c ; export LC_ALL
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26
27
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28compare_new ()
29{
30 file=$1
66b43ecb 31 if test ! -r ${file}
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32 then
33 echo "${file} missing? cp new-${file} ${file}" 1>&2
50248794 34 elif diff -u ${file} new-${file}
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35 then
36 echo "${file} unchanged" 1>&2
37 else
38 echo "${file} has changed? cp new-${file} ${file}" 1>&2
39 fi
40}
41
42
43# Format of the input table
0b8f9e4d 44read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
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45
46do_read ()
47{
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48 comment=""
49 class=""
50 while read line
51 do
52 if test "${line}" = ""
53 then
54 continue
55 elif test "${line}" = "#" -a "${comment}" = ""
f0d4cc9e 56 then
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57 continue
58 elif expr "${line}" : "#" > /dev/null
f0d4cc9e 59 then
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60 comment="${comment}
61${line}"
f0d4cc9e 62 else
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63
64 # The semantics of IFS varies between different SH's. Some
65 # treat ``::' as three fields while some treat it as just too.
66 # Work around this by eliminating ``::'' ....
67 line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
68
69 OFS="${IFS}" ; IFS="[:]"
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70 eval read ${read} <<EOF
71${line}
72EOF
73 IFS="${OFS}"
74
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75 # .... and then going back through each field and strip out those
76 # that ended up with just that space character.
77 for r in ${read}
78 do
79 if eval test \"\${${r}}\" = \"\ \"
80 then
81 eval ${r}=""
82 fi
83 done
84
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85 case "${level}" in
86 1 ) gt_level=">= GDB_MULTI_ARCH_PARTIAL" ;;
87 2 ) gt_level="> GDB_MULTI_ARCH_PARTIAL" ;;
e669114a 88 "" ) gt_level="> GDB_MULTI_ARCH_PARTIAL" ;;
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89 * ) error "Error: bad level for ${function}" 1>&2 ; kill $$ ; exit 1 ;;
90 esac
91
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92 case "${class}" in
93 m ) staticdefault="${predefault}" ;;
94 M ) staticdefault="0" ;;
95 * ) test "${staticdefault}" || staticdefault=0 ;;
96 esac
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97 # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
98 # multi-arch defaults.
99 # test "${predefault}" || predefault=0
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100
101 # come up with a format, use a few guesses for variables
102 case ":${class}:${fmt}:${print}:" in
103 :[vV]::: )
104 if [ "${returntype}" = int ]
105 then
106 fmt="%d"
107 print="${macro}"
108 elif [ "${returntype}" = long ]
109 then
110 fmt="%ld"
111 print="${macro}"
112 fi
113 ;;
114 esac
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115 test "${fmt}" || fmt="%ld"
116 test "${print}" || print="(long) ${macro}"
06b25f14 117
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118 case "${class}" in
119 F | V | M )
120 case "${invalid_p}" in
34620563 121 "" )
ae45cd16 122 if test -n "${predefault}" -a "${predefault}" != "0"
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123 then
124 #invalid_p="gdbarch->${function} == ${predefault}"
ae45cd16 125 predicate="gdbarch->${function} != ${predefault}"
34620563 126 else
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127 # filled in later
128 predicate=""
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129 fi
130 ;;
ae45cd16 131 * )
1e9f55d0 132 echo "Predicate function ${function} with invalid_p." 1>&2
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133 kill $$
134 exit 1
135 ;;
136 esac
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137 esac
138
139 # PREDEFAULT is a valid fallback definition of MEMBER when
140 # multi-arch is not enabled. This ensures that the
141 # default value, when multi-arch is the same as the
142 # default value when not multi-arch. POSTDEFAULT is
143 # always a valid definition of MEMBER as this again
144 # ensures consistency.
145
72e74a21 146 if [ -n "${postdefault}" ]
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147 then
148 fallbackdefault="${postdefault}"
72e74a21 149 elif [ -n "${predefault}" ]
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150 then
151 fallbackdefault="${predefault}"
152 else
73d3c16e 153 fallbackdefault="0"
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154 fi
155
156 #NOT YET: See gdbarch.log for basic verification of
157 # database
158
159 break
f0d4cc9e 160 fi
34620563 161 done
72e74a21 162 if [ -n "${class}" ]
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163 then
164 true
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165 else
166 false
167 fi
168}
169
104c1213 170
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171fallback_default_p ()
172{
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173 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
174 || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
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175}
176
177class_is_variable_p ()
178{
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179 case "${class}" in
180 *v* | *V* ) true ;;
181 * ) false ;;
182 esac
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183}
184
185class_is_function_p ()
186{
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187 case "${class}" in
188 *f* | *F* | *m* | *M* ) true ;;
189 * ) false ;;
190 esac
191}
192
193class_is_multiarch_p ()
194{
195 case "${class}" in
196 *m* | *M* ) true ;;
197 * ) false ;;
198 esac
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199}
200
201class_is_predicate_p ()
202{
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203 case "${class}" in
204 *F* | *V* | *M* ) true ;;
205 * ) false ;;
206 esac
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207}
208
209class_is_info_p ()
210{
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211 case "${class}" in
212 *i* ) true ;;
213 * ) false ;;
214 esac
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215}
216
217
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218# dump out/verify the doco
219for field in ${read}
220do
221 case ${field} in
222
223 class ) : ;;
c4093a6a 224
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225 # # -> line disable
226 # f -> function
227 # hiding a function
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228 # F -> function + predicate
229 # hiding a function + predicate to test function validity
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230 # v -> variable
231 # hiding a variable
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232 # V -> variable + predicate
233 # hiding a variable + predicate to test variables validity
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234 # i -> set from info
235 # hiding something from the ``struct info'' object
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236 # m -> multi-arch function
237 # hiding a multi-arch function (parameterised with the architecture)
238 # M -> multi-arch function + predicate
239 # hiding a multi-arch function + predicate to test function validity
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240
241 level ) : ;;
242
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243 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
244 # LEVEL is a predicate on checking that a given method is
245 # initialized (using INVALID_P).
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246
247 macro ) : ;;
248
c0e8c252 249 # The name of the MACRO that this method is to be accessed by.
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250
251 returntype ) : ;;
252
c0e8c252 253 # For functions, the return type; for variables, the data type
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254
255 function ) : ;;
256
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257 # For functions, the member function name; for variables, the
258 # variable name. Member function names are always prefixed with
259 # ``gdbarch_'' for name-space purity.
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260
261 formal ) : ;;
262
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263 # The formal argument list. It is assumed that the formal
264 # argument list includes the actual name of each list element.
265 # A function with no arguments shall have ``void'' as the
266 # formal argument list.
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267
268 actual ) : ;;
269
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270 # The list of actual arguments. The arguments specified shall
271 # match the FORMAL list given above. Functions with out
272 # arguments leave this blank.
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273
274 attrib ) : ;;
275
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276 # Any GCC attributes that should be attached to the function
277 # declaration. At present this field is unused.
cff3e48b 278
0b8f9e4d 279 staticdefault ) : ;;
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280
281 # To help with the GDB startup a static gdbarch object is
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282 # created. STATICDEFAULT is the value to insert into that
283 # static gdbarch object. Since this a static object only
284 # simple expressions can be used.
cff3e48b 285
0b8f9e4d 286 # If STATICDEFAULT is empty, zero is used.
c0e8c252 287
0b8f9e4d 288 predefault ) : ;;
cff3e48b 289
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290 # An initial value to assign to MEMBER of the freshly
291 # malloc()ed gdbarch object. After initialization, the
292 # freshly malloc()ed object is passed to the target
293 # architecture code for further updates.
cff3e48b 294
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295 # If PREDEFAULT is empty, zero is used.
296
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297 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
298 # INVALID_P are specified, PREDEFAULT will be used as the
299 # default for the non- multi-arch target.
300
301 # A zero PREDEFAULT function will force the fallback to call
302 # internal_error().
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303
304 # Variable declarations can refer to ``gdbarch'' which will
305 # contain the current architecture. Care should be taken.
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306
307 postdefault ) : ;;
308
309 # A value to assign to MEMBER of the new gdbarch object should
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310 # the target architecture code fail to change the PREDEFAULT
311 # value.
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312
313 # If POSTDEFAULT is empty, no post update is performed.
314
315 # If both INVALID_P and POSTDEFAULT are non-empty then
316 # INVALID_P will be used to determine if MEMBER should be
317 # changed to POSTDEFAULT.
318
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319 # If a non-empty POSTDEFAULT and a zero INVALID_P are
320 # specified, POSTDEFAULT will be used as the default for the
321 # non- multi-arch target (regardless of the value of
322 # PREDEFAULT).
323
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324 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
325
326 # Variable declarations can refer to ``gdbarch'' which will
327 # contain the current architecture. Care should be taken.
cff3e48b 328
c4093a6a 329 invalid_p ) : ;;
cff3e48b 330
0b8f9e4d 331 # A predicate equation that validates MEMBER. Non-zero is
c0e8c252 332 # returned if the code creating the new architecture failed to
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333 # initialize MEMBER or the initialized the member is invalid.
334 # If POSTDEFAULT is non-empty then MEMBER will be updated to
335 # that value. If POSTDEFAULT is empty then internal_error()
336 # is called.
337
338 # If INVALID_P is empty, a check that MEMBER is no longer
339 # equal to PREDEFAULT is used.
340
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341 # The expression ``0'' disables the INVALID_P check making
342 # PREDEFAULT a legitimate value.
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343
344 # See also PREDEFAULT and POSTDEFAULT.
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345
346 fmt ) : ;;
347
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348 # printf style format string that can be used to print out the
349 # MEMBER. Sometimes "%s" is useful. For functions, this is
350 # ignored and the function address is printed.
351
0b8f9e4d 352 # If FMT is empty, ``%ld'' is used.
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353
354 print ) : ;;
355
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356 # An optional equation that casts MEMBER to a value suitable
357 # for formatting by FMT.
358
0b8f9e4d 359 # If PRINT is empty, ``(long)'' is used.
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360
361 print_p ) : ;;
362
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363 # An optional indicator for any predicte to wrap around the
364 # print member code.
365
4b9b3959 366 # () -> Call a custom function to do the dump.
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367 # exp -> Wrap print up in ``if (${print_p}) ...
368 # ``'' -> No predicate
cff3e48b 369
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370 # If PRINT_P is empty, ``1'' is always used.
371
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372 description ) : ;;
373
0b8f9e4d 374 # Currently unused.
cff3e48b 375
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376 *)
377 echo "Bad field ${field}"
378 exit 1;;
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379 esac
380done
381
cff3e48b 382
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383function_list ()
384{
cff3e48b 385 # See below (DOCO) for description of each field
34620563 386 cat <<EOF
0b8f9e4d 387i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
104c1213 388#
d7449b42 389i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
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390#
391i:2:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN
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392# Number of bits in a char or unsigned char for the target machine.
393# Just like CHAR_BIT in <limits.h> but describes the target machine.
e669114a 394# v:2:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
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395#
396# Number of bits in a short or unsigned short for the target machine.
e669114a 397v:2:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
66b43ecb 398# Number of bits in an int or unsigned int for the target machine.
e669114a 399v:2:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
66b43ecb 400# Number of bits in a long or unsigned long for the target machine.
e669114a 401v:2:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
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402# Number of bits in a long long or unsigned long long for the target
403# machine.
e669114a 404v:2:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
66b43ecb 405# Number of bits in a float for the target machine.
e669114a 406v:2:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
66b43ecb 407# Number of bits in a double for the target machine.
e669114a 408v:2:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
66b43ecb 409# Number of bits in a long double for the target machine.
e669114a 410v:2:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
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411# For most targets, a pointer on the target and its representation as an
412# address in GDB have the same size and "look the same". For such a
413# target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
414# / addr_bit will be set from it.
415#
416# If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
417# also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
418#
419# ptr_bit is the size of a pointer on the target
e669114a 420v:2:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
52204a0b 421# addr_bit is the size of a target address as represented in gdb
e669114a 422v:2:TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
66b43ecb 423# Number of bits in a BFD_VMA for the target object file format.
e669114a 424v:2:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
104c1213 425#
4e409299 426# One if \`char' acts like \`signed char', zero if \`unsigned char'.
e669114a 427v:2:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
4e409299 428#
cde9ea48 429F:2:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
e669114a 430f:2:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
a9e5fdc2 431# UNWIND_SP is a direct replacement for TARGET_READ_SP.
bd1ce8ba 432F:2:TARGET_READ_SP:CORE_ADDR:read_sp:void
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433# Function for getting target's idea of a frame pointer. FIXME: GDB's
434# whole scheme for dealing with "frames" and "frame pointers" needs a
435# serious shakedown.
e669114a 436f:2: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 437#
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438M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf:
439M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf:
61a0eb5b 440#
104c1213 441v:2:NUM_REGS:int:num_regs::::0:-1
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442# This macro gives the number of pseudo-registers that live in the
443# register namespace but do not get fetched or stored on the target.
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444# These pseudo-registers may be aliases for other registers,
445# combinations of other registers, or they may be computed by GDB.
0aba1244 446v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
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447
448# GDB's standard (or well known) register numbers. These can map onto
449# a real register or a pseudo (computed) register or not be defined at
1200cd6e 450# all (-1).
a9e5fdc2 451# SP_REGNUM will hopefully be replaced by UNWIND_SP.
1200cd6e 452v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
1200cd6e 453v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
c2169756 454v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
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455v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
456v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
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457# Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
458f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
459# Provide a default mapping from a ecoff register number to a gdb REGNUM.
460f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
461# Provide a default mapping from a DWARF register number to a gdb REGNUM.
462f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
463# Convert from an sdb register number to an internal gdb register number.
464# This should be defined in tm.h, if REGISTER_NAMES is not set up
465# to map one to one onto the sdb register numbers.
466f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
467f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
fa88f677 468f:2:REGISTER_NAME:const char *:register_name:int regnr:regnr:::legacy_register_name::0
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469
470# REGISTER_TYPE is a direct replacement for REGISTER_VIRTUAL_TYPE.
471M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr::0:
472# REGISTER_TYPE is a direct replacement for REGISTER_VIRTUAL_TYPE.
473F:2:REGISTER_VIRTUAL_TYPE:struct type *:deprecated_register_virtual_type:int reg_nr:reg_nr::0:0
474# DEPRECATED_REGISTER_BYTES can be deleted. The value is computed
475# from REGISTER_TYPE.
b8b527c5 476v::DEPRECATED_REGISTER_BYTES:int:deprecated_register_bytes
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477# If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
478# register offsets computed using just REGISTER_TYPE, this can be
479# deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
480# function with predicate has a valid (callable) initial value. As a
481# consequence, even when the predicate is false, the corresponding
482# function works. This simplifies the migration process - old code,
483# calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified.
9c04cab7 484F::REGISTER_BYTE:int:deprecated_register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte
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485# If all registers have identical raw and virtual sizes and those
486# sizes agree with the value computed from REGISTER_TYPE,
487# DEPRECATED_REGISTER_RAW_SIZE can be deleted. See: maint print
488# registers.
9c04cab7 489f:2:REGISTER_RAW_SIZE:int:deprecated_register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
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490# If all registers have identical raw and virtual sizes and those
491# sizes agree with the value computed from REGISTER_TYPE,
492# DEPRECATED_REGISTER_VIRTUAL_SIZE can be deleted. See: maint print
493# registers.
9c04cab7
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494f:2:REGISTER_VIRTUAL_SIZE:int:deprecated_register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
495# DEPRECATED_MAX_REGISTER_RAW_SIZE can be deleted. It has been
496# replaced by the constant MAX_REGISTER_SIZE.
a0ed5532 497V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
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498# DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE can be deleted. It has been
499# replaced by the constant MAX_REGISTER_SIZE.
a0ed5532 500V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
9c04cab7 501
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502# See gdbint.texinfo, and PUSH_DUMMY_CALL.
503M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info::0:0
504# Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
505# SAVE_DUMMY_FRAME_TOS.
506F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
507# Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
508# DEPRECATED_FP_REGNUM.
509v:2:DEPRECATED_FP_REGNUM:int:deprecated_fp_regnum::::-1:-1::0
510# Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
511# DEPRECATED_TARGET_READ_FP.
512F::DEPRECATED_TARGET_READ_FP:CORE_ADDR:deprecated_target_read_fp:void
513
b8de8283
AC
514# See gdbint.texinfo. See infcall.c. New, all singing all dancing,
515# replacement for DEPRECATED_PUSH_ARGUMENTS.
516M::PUSH_DUMMY_CALL:CORE_ADDR:push_dummy_call:CORE_ADDR func_addr, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:func_addr, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr
517# PUSH_DUMMY_CALL is a direct replacement for DEPRECATED_PUSH_ARGUMENTS.
518F:2: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
519# DEPRECATED_USE_GENERIC_DUMMY_FRAMES can be deleted. Always true.
520v::DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
521# Implement PUSH_RETURN_ADDRESS, and then merge in
522# DEPRECATED_PUSH_RETURN_ADDRESS.
523F:2:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
524# Implement PUSH_DUMMY_CALL, then merge in DEPRECATED_DUMMY_WRITE_SP.
525F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val
526# DEPRECATED_REGISTER_SIZE can be deleted.
527v::DEPRECATED_REGISTER_SIZE:int:deprecated_register_size
528v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
529f::CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void::::entry_point_address::0
530# DEPRECATED_CALL_DUMMY_START_OFFSET can be deleted.
531v::DEPRECATED_CALL_DUMMY_START_OFFSET:CORE_ADDR:deprecated_call_dummy_start_offset
532# DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET can be deleted.
533v::DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:deprecated_call_dummy_breakpoint_offset
534# DEPRECATED_CALL_DUMMY_LENGTH can be deleted.
535v::DEPRECATED_CALL_DUMMY_LENGTH:int:deprecated_call_dummy_length
536# DEPRECATED_CALL_DUMMY_WORDS can be deleted.
537v::DEPRECATED_CALL_DUMMY_WORDS:LONGEST *:deprecated_call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
538# Implement PUSH_DUMMY_CALL, then delete DEPRECATED_SIZEOF_CALL_DUMMY_WORDS.
539v::DEPRECATED_SIZEOF_CALL_DUMMY_WORDS:int:deprecated_sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
540# Implement PUSH_DUMMY_CALL, then delete DEPRECATED_CALL_DUMMY_STACK_ADJUST.
541V:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust::::0
542# DEPRECATED_FIX_CALL_DUMMY can be deleted. For the SPARC, implement
543# PUSH_DUMMY_CODE and set CALL_DUMMY_LOCATION to ON_STACK.
544F::DEPRECATED_FIX_CALL_DUMMY:void:deprecated_fix_call_dummy:char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p:dummy, pc, fun, nargs, args, type, gcc_p
545# This is a replacement for DEPRECATED_FIX_CALL_DUMMY et.al.
546M::PUSH_DUMMY_CODE: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:
547# Implement PUSH_DUMMY_CALL, then delete DEPRECATED_PUSH_DUMMY_FRAME.
548F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-:::0
549# Implement PUSH_DUMMY_CALL, then delete
550# DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED.
551v:2:DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED:int:deprecated_extra_stack_alignment_needed::::0:0::0:::
552
903ad3a6 553F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
0ab7a791 554m:2:PRINT_REGISTERS_INFO: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
23e3a7ac 555M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
e76f1f2e 556M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
7c7651b2
AC
557# MAP a GDB RAW register number onto a simulator register number. See
558# also include/...-sim.h.
8238d0bf 559f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
2649061d 560F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
01fb7433
AC
561f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
562f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
9df628e0
RE
563# setjmp/longjmp support.
564F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc::0:0
ae45cd16
AC
565# NOTE: cagney/2002-11-24: This function with predicate has a valid
566# (callable) initial value. As a consequence, even when the predicate
567# is false, the corresponding function works. This simplifies the
568# migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
569# doesn't need to be modified.
55e1d7e7 570F::DEPRECATED_PC_IN_CALL_DUMMY:int:deprecated_pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::generic_pc_in_call_dummy:generic_pc_in_call_dummy
97f46953 571F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
e669114a 572F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
104c1213 573#
f0d4cc9e 574v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
e669114a 575v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
129c1cd6 576F:2: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 577#
781a750d
AC
578# For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
579# For raw <-> cooked register conversions, replaced by pseudo registers.
580f:2:DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr:::deprecated_register_convertible_not::0
581# For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
582# For raw <-> cooked register conversions, replaced by pseudo registers.
583f:2:DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL:void:deprecated_register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0::0
584# For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
585# For raw <-> cooked register conversions, replaced by pseudo registers.
586f:2:DEPRECATED_REGISTER_CONVERT_TO_RAW:void:deprecated_register_convert_to_raw:struct type *type, int regnum, const char *from, char *to:type, regnum, from, to:::0::0
13d01224
AC
587#
588f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
589f:1:REGISTER_TO_VALUE:void:register_to_value:int regnum, struct type *type, char *from, char *to:regnum, type, from, to::0:legacy_register_to_value::0
590f:1:VALUE_TO_REGISTER:void:value_to_register:struct type *type, int regnum, char *from, char *to:type, regnum, from, to::0:legacy_value_to_register::0
104c1213 591#
66140c26 592f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
ac2e2ef7 593f:2:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, void *buf, CORE_ADDR addr:type, buf, addr:::unsigned_address_to_pointer::0
fc0c74b1 594F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
4478b372 595#
0b8f9e4d 596f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
749b82f6 597F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-:::0
4183d812
AC
598# NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
599F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
ebba8386 600#
e669114a
AC
601f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
602f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf:::legacy_store_return_value::0
603f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
604f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
ebba8386 605#
049ee0e4 606F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache:::0
26e9b323 607F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf:::0
56f12751 608f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::generic_use_struct_convention::0
104c1213 609#
f30ee0bc 610F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame:::0
e9582e71 611F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
104c1213
JM
612#
613f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
0b8f9e4d 614f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
104c1213 615f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
aaab4dba 616f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
0b8f9e4d
AC
617f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
618f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
104c1213 619v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
e669114a 620f:2:PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
104c1213
JM
621v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
622#
f6684c31 623m::REMOTE_TRANSLATE_XFER_ADDRESS: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
JM
624#
625v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
0b8f9e4d 626f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
618ce49f
AC
627F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame::0:0
628F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
8bedc050
AC
629# DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
630# note, per UNWIND_PC's doco, that while the two have similar
631# interfaces they have very different underlying implementations.
632F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi::0:0
12cc2063 633M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame:
a9e5fdc2 634M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame:
7d6a26a7
AC
635f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:get_frame_base::0
636f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:get_frame_base::0
6913c89a 637F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
983a287a 638F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
104c1213 639#
2ada493a 640F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
dc604539 641M:::CORE_ADDR:frame_align:CORE_ADDR address:address
d03e67c9 642F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
58d5518e 643v:2:PARM_BOUNDARY:int:parm_boundary
f0d4cc9e 644#
52f87c51
AC
645v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
646v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
647v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
875e1767
AC
648f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
649# On some machines there are bits in addresses which are not really
650# part of the address, but are used by the kernel, the hardware, etc.
651# for special purposes. ADDR_BITS_REMOVE takes out any such bits so
652# we get a "real" address such as one would find in a symbol table.
653# This is used only for addresses of instructions, and even then I'm
654# not sure it's used in all contexts. It exists to deal with there
655# being a few stray bits in the PC which would mislead us, not as some
656# sort of generic thing to handle alignment or segmentation (it's
657# possible it should be in TARGET_READ_PC instead).
658f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
181c1381
RE
659# It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
660# ADDR_BITS_REMOVE.
661f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
64c4637f
AC
662# FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
663# the target needs software single step. An ISA method to implement it.
664#
665# FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
666# using the breakpoint system instead of blatting memory directly (as with rs6000).
667#
668# FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
669# single step. If not, then implement single step using breakpoints.
670F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
2bf0cb65 671f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
bdcd319a 672f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
d50355b6
MS
673
674
68e9cc94
CV
675# For SVR4 shared libraries, each call goes through a small piece of
676# trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
d50355b6 677# to nonzero if we are currently stopped in one of these.
68e9cc94 678f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
d50355b6
MS
679
680# Some systems also have trampoline code for returning from shared libs.
681f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
682
d7bd68ca
AC
683# Sigtramp is a routine that the kernel calls (which then calls the
684# signal handler). On most machines it is a library routine that is
685# linked into the executable.
686#
687# This macro, given a program counter value and the name of the
688# function in which that PC resides (which can be null if the name is
689# not known), returns nonzero if the PC and name show that we are in
690# sigtramp.
691#
692# On most machines just see if the name is sigtramp (and if we have
693# no name, assume we are not in sigtramp).
694#
695# FIXME: cagney/2002-04-21: The function find_pc_partial_function
696# calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
697# This means PC_IN_SIGTRAMP function can't be implemented by doing its
698# own local NAME lookup.
699#
700# FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
701# Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
702# does not.
703f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
43156d82 704F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
e669114a 705F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
c12260ac
CV
706# A target might have problems with watchpoints as soon as the stack
707# frame of the current function has been destroyed. This mostly happens
708# as the first action in a funtion's epilogue. in_function_epilogue_p()
709# is defined to return a non-zero value if either the given addr is one
710# instruction after the stack destroying instruction up to the trailing
711# return instruction or if we can figure out that the stack frame has
712# already been invalidated regardless of the value of addr. Targets
713# which don't suffer from that problem could just let this functionality
714# untouched.
715m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
552c04a7
TT
716# Given a vector of command-line arguments, return a newly allocated
717# string which, when passed to the create_inferior function, will be
718# parsed (on Unix systems, by the shell) to yield the same vector.
719# This function should call error() if the argument vector is not
720# representable for this target or if this target does not support
721# command-line arguments.
722# ARGC is the number of elements in the vector.
723# ARGV is an array of strings, one per argument.
724m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
b6af0555 725F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
a2cf933a
EZ
726f:2:ELF_MAKE_MSYMBOL_SPECIAL:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym:::default_elf_make_msymbol_special::0
727f:2:COFF_MAKE_MSYMBOL_SPECIAL:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym:::default_coff_make_msymbol_special::0
e669114a
AC
728v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
729v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
730v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
8b2dbe47 731F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
321432c0
KB
732M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags:
733M:2:ADDRESS_CLASS_NAME_TO_TYPE_FLAGS:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
b59ff9d5 734# Is a register in a group
7e20f3fb 735m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
143985b7
AF
736# Fetch the pointer to the ith function argument.
737F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type:::::::::
104c1213 738EOF
104c1213
JM
739}
740
0b8f9e4d
AC
741#
742# The .log file
743#
744exec > new-gdbarch.log
34620563 745function_list | while do_read
0b8f9e4d
AC
746do
747 cat <<EOF
104c1213
JM
748${class} ${macro}(${actual})
749 ${returntype} ${function} ($formal)${attrib}
104c1213 750EOF
3d9a5942
AC
751 for r in ${read}
752 do
753 eval echo \"\ \ \ \ ${r}=\${${r}}\"
754 done
f0d4cc9e 755 if class_is_predicate_p && fallback_default_p
0b8f9e4d 756 then
66b43ecb 757 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
0b8f9e4d
AC
758 kill $$
759 exit 1
760 fi
72e74a21 761 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
f0d4cc9e
AC
762 then
763 echo "Error: postdefault is useless when invalid_p=0" 1>&2
764 kill $$
765 exit 1
766 fi
a72293e2
AC
767 if class_is_multiarch_p
768 then
769 if class_is_predicate_p ; then :
770 elif test "x${predefault}" = "x"
771 then
772 echo "Error: pure multi-arch function must have a predefault" 1>&2
773 kill $$
774 exit 1
775 fi
776 fi
3d9a5942 777 echo ""
0b8f9e4d
AC
778done
779
780exec 1>&2
781compare_new gdbarch.log
782
104c1213
JM
783
784copyright ()
785{
786cat <<EOF
59233f88
AC
787/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
788
104c1213 789/* Dynamic architecture support for GDB, the GNU debugger.
1e698235 790 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
104c1213
JM
791
792 This file is part of GDB.
793
794 This program is free software; you can redistribute it and/or modify
795 it under the terms of the GNU General Public License as published by
796 the Free Software Foundation; either version 2 of the License, or
797 (at your option) any later version.
798
799 This program is distributed in the hope that it will be useful,
800 but WITHOUT ANY WARRANTY; without even the implied warranty of
801 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
802 GNU General Public License for more details.
803
804 You should have received a copy of the GNU General Public License
805 along with this program; if not, write to the Free Software
806 Foundation, Inc., 59 Temple Place - Suite 330,
807 Boston, MA 02111-1307, USA. */
808
104c1213
JM
809/* This file was created with the aid of \`\`gdbarch.sh''.
810
52204a0b 811 The Bourne shell script \`\`gdbarch.sh'' creates the files
104c1213
JM
812 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
813 against the existing \`\`gdbarch.[hc]''. Any differences found
814 being reported.
815
816 If editing this file, please also run gdbarch.sh and merge any
52204a0b 817 changes into that script. Conversely, when making sweeping changes
104c1213
JM
818 to this file, modifying gdbarch.sh and using its output may prove
819 easier. */
820
821EOF
822}
823
824#
825# The .h file
826#
827
828exec > new-gdbarch.h
829copyright
830cat <<EOF
831#ifndef GDBARCH_H
832#define GDBARCH_H
833
2bf0cb65 834#include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
fd0407d6 835#if !GDB_MULTI_ARCH
67a2b77e 836/* Pull in function declarations refered to, indirectly, via macros. */
67a2b77e 837#include "inferior.h" /* For unsigned_address_to_pointer(). */
e9a2674e 838#include "symfile.h" /* For entry_point_address(). */
fd0407d6 839#endif
2bf0cb65 840
da3331ec
AC
841struct floatformat;
842struct ui_file;
104c1213
JM
843struct frame_info;
844struct value;
b6af0555 845struct objfile;
a2cf933a 846struct minimal_symbol;
049ee0e4 847struct regcache;
b59ff9d5 848struct reggroup;
104c1213 849
104c1213
JM
850extern struct gdbarch *current_gdbarch;
851
852
104c1213
JM
853/* If any of the following are defined, the target wasn't correctly
854 converted. */
855
83905903
AC
856#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
857#error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
858#endif
104c1213
JM
859EOF
860
861# function typedef's
3d9a5942
AC
862printf "\n"
863printf "\n"
864printf "/* The following are pre-initialized by GDBARCH. */\n"
34620563 865function_list | while do_read
104c1213 866do
2ada493a
AC
867 if class_is_info_p
868 then
3d9a5942
AC
869 printf "\n"
870 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
871 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
028c194b 872 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
83905903
AC
873 printf "#error \"Non multi-arch definition of ${macro}\"\n"
874 printf "#endif\n"
c25083af 875 printf "#if !defined (${macro})\n"
3d9a5942
AC
876 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
877 printf "#endif\n"
2ada493a 878 fi
104c1213
JM
879done
880
881# function typedef's
3d9a5942
AC
882printf "\n"
883printf "\n"
884printf "/* The following are initialized by the target dependent code. */\n"
34620563 885function_list | while do_read
104c1213 886do
72e74a21 887 if [ -n "${comment}" ]
34620563
AC
888 then
889 echo "${comment}" | sed \
890 -e '2 s,#,/*,' \
891 -e '3,$ s,#, ,' \
892 -e '$ s,$, */,'
893 fi
b77be6cf 894 if class_is_multiarch_p
2ada493a 895 then
b77be6cf
AC
896 if class_is_predicate_p
897 then
898 printf "\n"
899 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
900 fi
901 else
902 if class_is_predicate_p
903 then
904 printf "\n"
905 printf "#if defined (${macro})\n"
906 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
907 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
eee30e78 908 printf "#if !defined (${macro}_P)\n"
b77be6cf
AC
909 printf "#define ${macro}_P() (1)\n"
910 printf "#endif\n"
eee30e78 911 printf "#endif\n"
b77be6cf
AC
912 printf "\n"
913 printf "/* Default predicate for non- multi-arch targets. */\n"
914 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
915 printf "#define ${macro}_P() (0)\n"
916 printf "#endif\n"
917 printf "\n"
918 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
028c194b 919 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
83905903
AC
920 printf "#error \"Non multi-arch definition of ${macro}\"\n"
921 printf "#endif\n"
028c194b 922 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
b77be6cf
AC
923 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
924 printf "#endif\n"
925 fi
4a5c6a1d 926 fi
2ada493a
AC
927 if class_is_variable_p
928 then
f0d4cc9e 929 if fallback_default_p || class_is_predicate_p
33489c5b 930 then
3d9a5942
AC
931 printf "\n"
932 printf "/* Default (value) for non- multi-arch platforms. */\n"
933 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
f0d4cc9e
AC
934 echo "#define ${macro} (${fallbackdefault})" \
935 | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
3d9a5942 936 printf "#endif\n"
33489c5b 937 fi
3d9a5942
AC
938 printf "\n"
939 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
940 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
028c194b 941 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
83905903
AC
942 printf "#error \"Non multi-arch definition of ${macro}\"\n"
943 printf "#endif\n"
c25083af
AC
944 printf "#if !defined (${macro})\n"
945 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
946 printf "#endif\n"
2ada493a
AC
947 fi
948 if class_is_function_p
949 then
b77be6cf
AC
950 if class_is_multiarch_p ; then :
951 elif fallback_default_p || class_is_predicate_p
33489c5b 952 then
3d9a5942
AC
953 printf "\n"
954 printf "/* Default (function) for non- multi-arch platforms. */\n"
955 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
72e74a21 956 if [ "x${fallbackdefault}" = "x0" ]
33489c5b 957 then
dedc2a2b
AC
958 if [ "x${actual}" = "x-" ]
959 then
960 printf "#define ${macro} (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
dedc2a2b
AC
961 else
962 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
963 fi
33489c5b 964 else
f0d4cc9e
AC
965 # FIXME: Should be passing current_gdbarch through!
966 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
967 | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
33489c5b 968 fi
3d9a5942 969 printf "#endif\n"
33489c5b 970 fi
3d9a5942 971 printf "\n"
72e74a21 972 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
4a5c6a1d
AC
973 then
974 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
975 elif class_is_multiarch_p
976 then
977 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
978 else
979 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
980 fi
72e74a21 981 if [ "x${formal}" = "xvoid" ]
104c1213 982 then
3d9a5942 983 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
104c1213 984 else
3d9a5942 985 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
104c1213 986 fi
3d9a5942 987 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
b77be6cf
AC
988 if class_is_multiarch_p ; then :
989 else
028c194b 990 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
83905903
AC
991 printf "#error \"Non multi-arch definition of ${macro}\"\n"
992 printf "#endif\n"
c25083af
AC
993 if [ "x${actual}" = "x" ]
994 then
995 d="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
996 elif [ "x${actual}" = "x-" ]
997 then
998 d="#define ${macro} (gdbarch_${function} (current_gdbarch))"
999 else
1000 d="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
1001 fi
1002 printf "#if !defined (${macro})\n"
72e74a21 1003 if [ "x${actual}" = "x" ]
4a5c6a1d
AC
1004 then
1005 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
72e74a21 1006 elif [ "x${actual}" = "x-" ]
4a5c6a1d
AC
1007 then
1008 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1009 else
1010 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1011 fi
1012 printf "#endif\n"
104c1213 1013 fi
2ada493a 1014 fi
104c1213
JM
1015done
1016
1017# close it off
1018cat <<EOF
1019
1020extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1021
1022
1023/* Mechanism for co-ordinating the selection of a specific
1024 architecture.
1025
1026 GDB targets (*-tdep.c) can register an interest in a specific
1027 architecture. Other GDB components can register a need to maintain
1028 per-architecture data.
1029
1030 The mechanisms below ensures that there is only a loose connection
1031 between the set-architecture command and the various GDB
0fa6923a 1032 components. Each component can independently register their need
104c1213
JM
1033 to maintain architecture specific data with gdbarch.
1034
1035 Pragmatics:
1036
1037 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1038 didn't scale.
1039
1040 The more traditional mega-struct containing architecture specific
1041 data for all the various GDB components was also considered. Since
0fa6923a 1042 GDB is built from a variable number of (fairly independent)
104c1213
JM
1043 components it was determined that the global aproach was not
1044 applicable. */
1045
1046
1047/* Register a new architectural family with GDB.
1048
1049 Register support for the specified ARCHITECTURE with GDB. When
1050 gdbarch determines that the specified architecture has been
1051 selected, the corresponding INIT function is called.
1052
1053 --
1054
1055 The INIT function takes two parameters: INFO which contains the
1056 information available to gdbarch about the (possibly new)
1057 architecture; ARCHES which is a list of the previously created
1058 \`\`struct gdbarch'' for this architecture.
1059
0f79675b
AC
1060 The INFO parameter is, as far as possible, be pre-initialized with
1061 information obtained from INFO.ABFD or the previously selected
1062 architecture.
1063
1064 The ARCHES parameter is a linked list (sorted most recently used)
1065 of all the previously created architures for this architecture
1066 family. The (possibly NULL) ARCHES->gdbarch can used to access
1067 values from the previously selected architecture for this
1068 architecture family. The global \`\`current_gdbarch'' shall not be
1069 used.
104c1213
JM
1070
1071 The INIT function shall return any of: NULL - indicating that it
ec3d358c 1072 doesn't recognize the selected architecture; an existing \`\`struct
104c1213
JM
1073 gdbarch'' from the ARCHES list - indicating that the new
1074 architecture is just a synonym for an earlier architecture (see
1075 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
4b9b3959
AC
1076 - that describes the selected architecture (see gdbarch_alloc()).
1077
1078 The DUMP_TDEP function shall print out all target specific values.
1079 Care should be taken to ensure that the function works in both the
1080 multi-arch and non- multi-arch cases. */
104c1213
JM
1081
1082struct gdbarch_list
1083{
1084 struct gdbarch *gdbarch;
1085 struct gdbarch_list *next;
1086};
1087
1088struct gdbarch_info
1089{
104c1213
JM
1090 /* Use default: NULL (ZERO). */
1091 const struct bfd_arch_info *bfd_arch_info;
1092
428721aa 1093 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
104c1213
JM
1094 int byte_order;
1095
1096 /* Use default: NULL (ZERO). */
1097 bfd *abfd;
1098
1099 /* Use default: NULL (ZERO). */
1100 struct gdbarch_tdep_info *tdep_info;
4be87837
DJ
1101
1102 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1103 enum gdb_osabi osabi;
104c1213
JM
1104};
1105
1106typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
4b9b3959 1107typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
104c1213 1108
4b9b3959 1109/* DEPRECATED - use gdbarch_register() */
104c1213
JM
1110extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1111
4b9b3959
AC
1112extern void gdbarch_register (enum bfd_architecture architecture,
1113 gdbarch_init_ftype *,
1114 gdbarch_dump_tdep_ftype *);
1115
104c1213 1116
b4a20239
AC
1117/* Return a freshly allocated, NULL terminated, array of the valid
1118 architecture names. Since architectures are registered during the
1119 _initialize phase this function only returns useful information
1120 once initialization has been completed. */
1121
1122extern const char **gdbarch_printable_names (void);
1123
1124
104c1213
JM
1125/* Helper function. Search the list of ARCHES for a GDBARCH that
1126 matches the information provided by INFO. */
1127
1128extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1129
1130
1131/* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1132 basic initialization using values obtained from the INFO andTDEP
1133 parameters. set_gdbarch_*() functions are called to complete the
1134 initialization of the object. */
1135
1136extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1137
1138
4b9b3959
AC
1139/* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1140 It is assumed that the caller freeds the \`\`struct
1141 gdbarch_tdep''. */
1142
058f20d5
JB
1143extern void gdbarch_free (struct gdbarch *);
1144
1145
b732d07d 1146/* Helper function. Force an update of the current architecture.
104c1213 1147
b732d07d
AC
1148 The actual architecture selected is determined by INFO, \`\`(gdb) set
1149 architecture'' et.al., the existing architecture and BFD's default
1150 architecture. INFO should be initialized to zero and then selected
1151 fields should be updated.
104c1213 1152
16f33e29
AC
1153 Returns non-zero if the update succeeds */
1154
1155extern int gdbarch_update_p (struct gdbarch_info info);
104c1213
JM
1156
1157
1158
1159/* Register per-architecture data-pointer.
1160
1161 Reserve space for a per-architecture data-pointer. An identifier
1162 for the reserved data-pointer is returned. That identifer should
95160752 1163 be saved in a local static variable.
104c1213 1164
76860b5f
AC
1165 The per-architecture data-pointer is either initialized explicitly
1166 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1167 gdbarch_data()). FREE() is called to delete either an existing
2af496cb 1168 data-pointer overridden by set_gdbarch_data() or when the
76860b5f 1169 architecture object is being deleted.
104c1213 1170
95160752
AC
1171 When a previously created architecture is re-selected, the
1172 per-architecture data-pointer for that previous architecture is
76860b5f 1173 restored. INIT() is not re-called.
104c1213
JM
1174
1175 Multiple registrarants for any architecture are allowed (and
1176 strongly encouraged). */
1177
95160752 1178struct gdbarch_data;
104c1213 1179
95160752
AC
1180typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1181typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1182 void *pointer);
1183extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1184 gdbarch_data_free_ftype *free);
1185extern void set_gdbarch_data (struct gdbarch *gdbarch,
1186 struct gdbarch_data *data,
1187 void *pointer);
104c1213 1188
451fbdda 1189extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
104c1213
JM
1190
1191
104c1213
JM
1192/* Register per-architecture memory region.
1193
1194 Provide a memory-region swap mechanism. Per-architecture memory
1195 region are created. These memory regions are swapped whenever the
1196 architecture is changed. For a new architecture, the memory region
1197 is initialized with zero (0) and the INIT function is called.
1198
1199 Memory regions are swapped / initialized in the order that they are
1200 registered. NULL DATA and/or INIT values can be specified.
1201
1202 New code should use register_gdbarch_data(). */
1203
1204typedef void (gdbarch_swap_ftype) (void);
1205extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
e514a9d6 1206#define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
104c1213
JM
1207
1208
1209
0fa6923a 1210/* The target-system-dependent byte order is dynamic */
104c1213 1211
104c1213 1212extern int target_byte_order;
104c1213
JM
1213#ifndef TARGET_BYTE_ORDER
1214#define TARGET_BYTE_ORDER (target_byte_order + 0)
1215#endif
1216
1217extern int target_byte_order_auto;
1218#ifndef TARGET_BYTE_ORDER_AUTO
1219#define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1220#endif
1221
1222
1223
0fa6923a 1224/* The target-system-dependent BFD architecture is dynamic */
104c1213
JM
1225
1226extern int target_architecture_auto;
1227#ifndef TARGET_ARCHITECTURE_AUTO
1228#define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1229#endif
1230
1231extern const struct bfd_arch_info *target_architecture;
1232#ifndef TARGET_ARCHITECTURE
1233#define TARGET_ARCHITECTURE (target_architecture + 0)
1234#endif
1235
104c1213 1236
0fa6923a 1237/* The target-system-dependent disassembler is semi-dynamic */
104c1213 1238
810ecf9f 1239/* Use gdb_disassemble, and gdbarch_print_insn instead. */
d7a27068 1240extern int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info*);
104c1213 1241
810ecf9f
AC
1242/* Use set_gdbarch_print_insn instead. */
1243extern disassemble_info deprecated_tm_print_insn_info;
104c1213 1244
0fa6923a 1245/* Set the dynamic target-system-dependent parameters (architecture,
104c1213
JM
1246 byte-order, ...) using information found in the BFD */
1247
1248extern void set_gdbarch_from_file (bfd *);
1249
1250
e514a9d6
JM
1251/* Initialize the current architecture to the "first" one we find on
1252 our list. */
1253
1254extern void initialize_current_architecture (void);
1255
ceaa8edf
JB
1256/* For non-multiarched targets, do any initialization of the default
1257 gdbarch object necessary after the _initialize_MODULE functions
1258 have run. */
5ae5f592 1259extern void initialize_non_multiarch (void);
104c1213
JM
1260
1261/* gdbarch trace variable */
1262extern int gdbarch_debug;
1263
4b9b3959 1264extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
104c1213
JM
1265
1266#endif
1267EOF
1268exec 1>&2
1269#../move-if-change new-gdbarch.h gdbarch.h
59233f88 1270compare_new gdbarch.h
104c1213
JM
1271
1272
1273#
1274# C file
1275#
1276
1277exec > new-gdbarch.c
1278copyright
1279cat <<EOF
1280
1281#include "defs.h"
7355ddba 1282#include "arch-utils.h"
104c1213
JM
1283
1284#if GDB_MULTI_ARCH
1285#include "gdbcmd.h"
1286#include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1287#else
1288/* Just include everything in sight so that the every old definition
1289 of macro is visible. */
1290#include "gdb_string.h"
1291#include <ctype.h>
1292#include "symtab.h"
1293#include "frame.h"
1294#include "inferior.h"
1295#include "breakpoint.h"
0596389c 1296#include "gdb_wait.h"
104c1213
JM
1297#include "gdbcore.h"
1298#include "gdbcmd.h"
1299#include "target.h"
1300#include "gdbthread.h"
1301#include "annotate.h"
1302#include "symfile.h" /* for overlay functions */
fd0407d6 1303#include "value.h" /* For old tm.h/nm.h macros. */
104c1213
JM
1304#endif
1305#include "symcat.h"
1306
f0d4cc9e 1307#include "floatformat.h"
104c1213 1308
95160752 1309#include "gdb_assert.h"
b66d6d2e 1310#include "gdb_string.h"
67c2c32c 1311#include "gdb-events.h"
b59ff9d5 1312#include "reggroups.h"
4be87837 1313#include "osabi.h"
e9a2674e 1314#include "symfile.h" /* For entry_point_address. */
95160752 1315
104c1213
JM
1316/* Static function declarations */
1317
1318static void verify_gdbarch (struct gdbarch *gdbarch);
b3cc3077 1319static void alloc_gdbarch_data (struct gdbarch *);
95160752 1320static void free_gdbarch_data (struct gdbarch *);
104c1213 1321static void init_gdbarch_swap (struct gdbarch *);
40af4b0c 1322static void clear_gdbarch_swap (struct gdbarch *);
104c1213
JM
1323static void swapout_gdbarch_swap (struct gdbarch *);
1324static void swapin_gdbarch_swap (struct gdbarch *);
1325
104c1213
JM
1326/* Non-zero if we want to trace architecture code. */
1327
1328#ifndef GDBARCH_DEBUG
1329#define GDBARCH_DEBUG 0
1330#endif
1331int gdbarch_debug = GDBARCH_DEBUG;
1332
1333EOF
1334
1335# gdbarch open the gdbarch object
3d9a5942
AC
1336printf "\n"
1337printf "/* Maintain the struct gdbarch object */\n"
1338printf "\n"
1339printf "struct gdbarch\n"
1340printf "{\n"
76860b5f
AC
1341printf " /* Has this architecture been fully initialized? */\n"
1342printf " int initialized_p;\n"
3d9a5942 1343printf " /* basic architectural information */\n"
34620563 1344function_list | while do_read
104c1213 1345do
2ada493a
AC
1346 if class_is_info_p
1347 then
3d9a5942 1348 printf " ${returntype} ${function};\n"
2ada493a 1349 fi
104c1213 1350done
3d9a5942
AC
1351printf "\n"
1352printf " /* target specific vector. */\n"
1353printf " struct gdbarch_tdep *tdep;\n"
1354printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1355printf "\n"
1356printf " /* per-architecture data-pointers */\n"
95160752 1357printf " unsigned nr_data;\n"
3d9a5942
AC
1358printf " void **data;\n"
1359printf "\n"
1360printf " /* per-architecture swap-regions */\n"
1361printf " struct gdbarch_swap *swap;\n"
1362printf "\n"
104c1213
JM
1363cat <<EOF
1364 /* Multi-arch values.
1365
1366 When extending this structure you must:
1367
1368 Add the field below.
1369
1370 Declare set/get functions and define the corresponding
1371 macro in gdbarch.h.
1372
1373 gdbarch_alloc(): If zero/NULL is not a suitable default,
1374 initialize the new field.
1375
1376 verify_gdbarch(): Confirm that the target updated the field
1377 correctly.
1378
7e73cedf 1379 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
104c1213
JM
1380 field is dumped out
1381
c0e8c252 1382 \`\`startup_gdbarch()'': Append an initial value to the static
104c1213
JM
1383 variable (base values on the host's c-type system).
1384
1385 get_gdbarch(): Implement the set/get functions (probably using
1386 the macro's as shortcuts).
1387
1388 */
1389
1390EOF
34620563 1391function_list | while do_read
104c1213 1392do
2ada493a
AC
1393 if class_is_variable_p
1394 then
3d9a5942 1395 printf " ${returntype} ${function};\n"
2ada493a
AC
1396 elif class_is_function_p
1397 then
3d9a5942 1398 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
2ada493a 1399 fi
104c1213 1400done
3d9a5942 1401printf "};\n"
104c1213
JM
1402
1403# A pre-initialized vector
3d9a5942
AC
1404printf "\n"
1405printf "\n"
104c1213
JM
1406cat <<EOF
1407/* The default architecture uses host values (for want of a better
1408 choice). */
1409EOF
3d9a5942
AC
1410printf "\n"
1411printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1412printf "\n"
1413printf "struct gdbarch startup_gdbarch =\n"
1414printf "{\n"
76860b5f 1415printf " 1, /* Always initialized. */\n"
3d9a5942 1416printf " /* basic architecture information */\n"
4b9b3959 1417function_list | while do_read
104c1213 1418do
2ada493a
AC
1419 if class_is_info_p
1420 then
ec5cbaec 1421 printf " ${staticdefault}, /* ${function} */\n"
2ada493a 1422 fi
104c1213
JM
1423done
1424cat <<EOF
4b9b3959
AC
1425 /* target specific vector and its dump routine */
1426 NULL, NULL,
104c1213
JM
1427 /*per-architecture data-pointers and swap regions */
1428 0, NULL, NULL,
1429 /* Multi-arch values */
1430EOF
34620563 1431function_list | while do_read
104c1213 1432do
2ada493a
AC
1433 if class_is_function_p || class_is_variable_p
1434 then
ec5cbaec 1435 printf " ${staticdefault}, /* ${function} */\n"
2ada493a 1436 fi
104c1213
JM
1437done
1438cat <<EOF
c0e8c252 1439 /* startup_gdbarch() */
104c1213 1440};
4b9b3959 1441
c0e8c252 1442struct gdbarch *current_gdbarch = &startup_gdbarch;
ceaa8edf
JB
1443
1444/* Do any initialization needed for a non-multiarch configuration
1445 after the _initialize_MODULE functions have been run. */
1446void
5ae5f592 1447initialize_non_multiarch (void)
ceaa8edf
JB
1448{
1449 alloc_gdbarch_data (&startup_gdbarch);
40af4b0c
AC
1450 /* Ensure that all swap areas are zeroed so that they again think
1451 they are starting from scratch. */
1452 clear_gdbarch_swap (&startup_gdbarch);
6c1e5d11 1453 init_gdbarch_swap (&startup_gdbarch);
ceaa8edf 1454}
104c1213
JM
1455EOF
1456
1457# Create a new gdbarch struct
3d9a5942
AC
1458printf "\n"
1459printf "\n"
104c1213 1460cat <<EOF
66b43ecb 1461/* Create a new \`\`struct gdbarch'' based on information provided by
104c1213
JM
1462 \`\`struct gdbarch_info''. */
1463EOF
3d9a5942 1464printf "\n"
104c1213
JM
1465cat <<EOF
1466struct gdbarch *
1467gdbarch_alloc (const struct gdbarch_info *info,
1468 struct gdbarch_tdep *tdep)
1469{
85de9627
AC
1470 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1471 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1472 the current local architecture and not the previous global
1473 architecture. This ensures that the new architectures initial
1474 values are not influenced by the previous architecture. Once
1475 everything is parameterised with gdbarch, this will go away. */
1476 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1477 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1478
1479 alloc_gdbarch_data (current_gdbarch);
1480
1481 current_gdbarch->tdep = tdep;
104c1213 1482EOF
3d9a5942 1483printf "\n"
34620563 1484function_list | while do_read
104c1213 1485do
2ada493a
AC
1486 if class_is_info_p
1487 then
85de9627 1488 printf " current_gdbarch->${function} = info->${function};\n"
2ada493a 1489 fi
104c1213 1490done
3d9a5942
AC
1491printf "\n"
1492printf " /* Force the explicit initialization of these. */\n"
34620563 1493function_list | while do_read
104c1213 1494do
2ada493a
AC
1495 if class_is_function_p || class_is_variable_p
1496 then
72e74a21 1497 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
104c1213 1498 then
85de9627 1499 printf " current_gdbarch->${function} = ${predefault};\n"
104c1213 1500 fi
2ada493a 1501 fi
104c1213
JM
1502done
1503cat <<EOF
1504 /* gdbarch_alloc() */
1505
85de9627 1506 return current_gdbarch;
104c1213
JM
1507}
1508EOF
1509
058f20d5 1510# Free a gdbarch struct.
3d9a5942
AC
1511printf "\n"
1512printf "\n"
058f20d5
JB
1513cat <<EOF
1514/* Free a gdbarch struct. This should never happen in normal
1515 operation --- once you've created a gdbarch, you keep it around.
1516 However, if an architecture's init function encounters an error
1517 building the structure, it may need to clean up a partially
1518 constructed gdbarch. */
4b9b3959 1519
058f20d5
JB
1520void
1521gdbarch_free (struct gdbarch *arch)
1522{
95160752
AC
1523 gdb_assert (arch != NULL);
1524 free_gdbarch_data (arch);
338d7c5c 1525 xfree (arch);
058f20d5
JB
1526}
1527EOF
1528
104c1213 1529# verify a new architecture
3d9a5942
AC
1530printf "\n"
1531printf "\n"
1532printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1533printf "\n"
104c1213
JM
1534cat <<EOF
1535static void
1536verify_gdbarch (struct gdbarch *gdbarch)
1537{
f16a1923
AC
1538 struct ui_file *log;
1539 struct cleanup *cleanups;
1540 long dummy;
1541 char *buf;
104c1213 1542 /* Only perform sanity checks on a multi-arch target. */
6166d547 1543 if (!GDB_MULTI_ARCH)
104c1213 1544 return;
f16a1923
AC
1545 log = mem_fileopen ();
1546 cleanups = make_cleanup_ui_file_delete (log);
104c1213 1547 /* fundamental */
428721aa 1548 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
f16a1923 1549 fprintf_unfiltered (log, "\n\tbyte-order");
104c1213 1550 if (gdbarch->bfd_arch_info == NULL)
f16a1923 1551 fprintf_unfiltered (log, "\n\tbfd_arch_info");
104c1213
JM
1552 /* Check those that need to be defined for the given multi-arch level. */
1553EOF
34620563 1554function_list | while do_read
104c1213 1555do
2ada493a
AC
1556 if class_is_function_p || class_is_variable_p
1557 then
72e74a21 1558 if [ "x${invalid_p}" = "x0" ]
c0e8c252 1559 then
3d9a5942 1560 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
2ada493a
AC
1561 elif class_is_predicate_p
1562 then
3d9a5942 1563 printf " /* Skip verify of ${function}, has predicate */\n"
f0d4cc9e 1564 # FIXME: See do_read for potential simplification
72e74a21 1565 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
f0d4cc9e 1566 then
3d9a5942
AC
1567 printf " if (${invalid_p})\n"
1568 printf " gdbarch->${function} = ${postdefault};\n"
72e74a21 1569 elif [ -n "${predefault}" -a -n "${postdefault}" ]
f0d4cc9e 1570 then
3d9a5942
AC
1571 printf " if (gdbarch->${function} == ${predefault})\n"
1572 printf " gdbarch->${function} = ${postdefault};\n"
72e74a21 1573 elif [ -n "${postdefault}" ]
f0d4cc9e 1574 then
3d9a5942
AC
1575 printf " if (gdbarch->${function} == 0)\n"
1576 printf " gdbarch->${function} = ${postdefault};\n"
72e74a21 1577 elif [ -n "${invalid_p}" ]
104c1213 1578 then
50248794 1579 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
3d9a5942 1580 printf " && (${invalid_p}))\n"
f16a1923 1581 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
72e74a21 1582 elif [ -n "${predefault}" ]
104c1213 1583 then
50248794 1584 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
3d9a5942 1585 printf " && (gdbarch->${function} == ${predefault}))\n"
f16a1923 1586 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
104c1213 1587 fi
2ada493a 1588 fi
104c1213
JM
1589done
1590cat <<EOF
f16a1923
AC
1591 buf = ui_file_xstrdup (log, &dummy);
1592 make_cleanup (xfree, buf);
1593 if (strlen (buf) > 0)
1594 internal_error (__FILE__, __LINE__,
1595 "verify_gdbarch: the following are invalid ...%s",
1596 buf);
1597 do_cleanups (cleanups);
104c1213
JM
1598}
1599EOF
1600
1601# dump the structure
3d9a5942
AC
1602printf "\n"
1603printf "\n"
104c1213 1604cat <<EOF
4b9b3959
AC
1605/* Print out the details of the current architecture. */
1606
1607/* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1608 just happens to match the global variable \`\`current_gdbarch''. That
1609 way macros refering to that variable get the local and not the global
1610 version - ulgh. Once everything is parameterised with gdbarch, this
1611 will go away. */
1612
104c1213 1613void
4b9b3959 1614gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
104c1213 1615{
4b9b3959
AC
1616 fprintf_unfiltered (file,
1617 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1618 GDB_MULTI_ARCH);
104c1213 1619EOF
9ba8d803 1620function_list | sort -t: -k 3 | while do_read
104c1213 1621do
1e9f55d0
AC
1622 # First the predicate
1623 if class_is_predicate_p
1624 then
1625 if class_is_multiarch_p
1626 then
1627 printf " if (GDB_MULTI_ARCH)\n"
1628 printf " fprintf_unfiltered (file,\n"
1629 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1630 printf " gdbarch_${function}_p (current_gdbarch));\n"
1631 else
1632 printf "#ifdef ${macro}_P\n"
1633 printf " fprintf_unfiltered (file,\n"
1634 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1635 printf " \"${macro}_P()\",\n"
1636 printf " XSTRING (${macro}_P ()));\n"
1637 printf " fprintf_unfiltered (file,\n"
1638 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1639 printf " ${macro}_P ());\n"
1640 printf "#endif\n"
1641 fi
1642 fi
4a5c6a1d 1643 # multiarch functions don't have macros.
08e45a40
AC
1644 if class_is_multiarch_p
1645 then
1646 printf " if (GDB_MULTI_ARCH)\n"
1647 printf " fprintf_unfiltered (file,\n"
1648 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1649 printf " (long) current_gdbarch->${function});\n"
1650 continue
1651 fi
06b25f14 1652 # Print the macro definition.
08e45a40 1653 printf "#ifdef ${macro}\n"
72e74a21 1654 if [ "x${returntype}" = "xvoid" ]
63e69063 1655 then
08e45a40 1656 printf "#if GDB_MULTI_ARCH\n"
3d9a5942 1657 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
63e69063 1658 fi
2ada493a
AC
1659 if class_is_function_p
1660 then
3d9a5942
AC
1661 printf " fprintf_unfiltered (file,\n"
1662 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1663 printf " \"${macro}(${actual})\",\n"
1664 printf " XSTRING (${macro} (${actual})));\n"
2ada493a 1665 else
3d9a5942
AC
1666 printf " fprintf_unfiltered (file,\n"
1667 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1668 printf " XSTRING (${macro}));\n"
4b9b3959 1669 fi
06b25f14 1670 # Print the architecture vector value
08e45a40 1671 if [ "x${returntype}" = "xvoid" ]
4a5c6a1d 1672 then
08e45a40 1673 printf "#endif\n"
4a5c6a1d 1674 fi
72e74a21 1675 if [ "x${print_p}" = "x()" ]
4b9b3959 1676 then
4a5c6a1d 1677 printf " gdbarch_dump_${function} (current_gdbarch);\n"
72e74a21 1678 elif [ "x${print_p}" = "x0" ]
4b9b3959 1679 then
4a5c6a1d 1680 printf " /* skip print of ${macro}, print_p == 0. */\n"
72e74a21 1681 elif [ -n "${print_p}" ]
4b9b3959 1682 then
4a5c6a1d 1683 printf " if (${print_p})\n"
3d9a5942
AC
1684 printf " fprintf_unfiltered (file,\n"
1685 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1686 printf " ${print});\n"
4b9b3959
AC
1687 elif class_is_function_p
1688 then
3d9a5942
AC
1689 printf " if (GDB_MULTI_ARCH)\n"
1690 printf " fprintf_unfiltered (file,\n"
6cbda714 1691 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
3d9a5942
AC
1692 printf " (long) current_gdbarch->${function}\n"
1693 printf " /*${macro} ()*/);\n"
4b9b3959 1694 else
3d9a5942
AC
1695 printf " fprintf_unfiltered (file,\n"
1696 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1697 printf " ${print});\n"
2ada493a 1698 fi
3d9a5942 1699 printf "#endif\n"
104c1213 1700done
381323f4 1701cat <<EOF
4b9b3959
AC
1702 if (current_gdbarch->dump_tdep != NULL)
1703 current_gdbarch->dump_tdep (current_gdbarch, file);
381323f4
AC
1704}
1705EOF
104c1213
JM
1706
1707
1708# GET/SET
3d9a5942 1709printf "\n"
104c1213
JM
1710cat <<EOF
1711struct gdbarch_tdep *
1712gdbarch_tdep (struct gdbarch *gdbarch)
1713{
1714 if (gdbarch_debug >= 2)
3d9a5942 1715 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
104c1213
JM
1716 return gdbarch->tdep;
1717}
1718EOF
3d9a5942 1719printf "\n"
34620563 1720function_list | while do_read
104c1213 1721do
2ada493a
AC
1722 if class_is_predicate_p
1723 then
3d9a5942
AC
1724 printf "\n"
1725 printf "int\n"
1726 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1727 printf "{\n"
8de9bdc4 1728 printf " gdb_assert (gdbarch != NULL);\n"
ae45cd16 1729 if [ -n "${predicate}" ]
2ada493a 1730 then
ae45cd16 1731 printf " return ${predicate};\n"
2ada493a 1732 else
ae45cd16 1733 printf " return gdbarch->${function} != 0;\n"
2ada493a 1734 fi
3d9a5942 1735 printf "}\n"
2ada493a
AC
1736 fi
1737 if class_is_function_p
1738 then
3d9a5942
AC
1739 printf "\n"
1740 printf "${returntype}\n"
72e74a21 1741 if [ "x${formal}" = "xvoid" ]
104c1213 1742 then
3d9a5942 1743 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
104c1213 1744 else
3d9a5942 1745 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
104c1213 1746 fi
3d9a5942 1747 printf "{\n"
8de9bdc4 1748 printf " gdb_assert (gdbarch != NULL);\n"
3d9a5942 1749 printf " if (gdbarch->${function} == 0)\n"
8e65ff28
AC
1750 printf " internal_error (__FILE__, __LINE__,\n"
1751 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
ae45cd16
AC
1752 if class_is_predicate_p && test -n "${predicate}"
1753 then
1754 # Allow a call to a function with a predicate.
1755 printf " /* Ignore predicate (${predicate}). */\n"
1756 fi
3d9a5942
AC
1757 printf " if (gdbarch_debug >= 2)\n"
1758 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
72e74a21 1759 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
4a5c6a1d
AC
1760 then
1761 if class_is_multiarch_p
1762 then
1763 params="gdbarch"
1764 else
1765 params=""
1766 fi
1767 else
1768 if class_is_multiarch_p
1769 then
1770 params="gdbarch, ${actual}"
1771 else
1772 params="${actual}"
1773 fi
1774 fi
72e74a21 1775 if [ "x${returntype}" = "xvoid" ]
104c1213 1776 then
4a5c6a1d 1777 printf " gdbarch->${function} (${params});\n"
104c1213 1778 else
4a5c6a1d 1779 printf " return gdbarch->${function} (${params});\n"
104c1213 1780 fi
3d9a5942
AC
1781 printf "}\n"
1782 printf "\n"
1783 printf "void\n"
1784 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1785 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1786 printf "{\n"
1787 printf " gdbarch->${function} = ${function};\n"
1788 printf "}\n"
2ada493a
AC
1789 elif class_is_variable_p
1790 then
3d9a5942
AC
1791 printf "\n"
1792 printf "${returntype}\n"
1793 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1794 printf "{\n"
8de9bdc4 1795 printf " gdb_assert (gdbarch != NULL);\n"
72e74a21 1796 if [ "x${invalid_p}" = "x0" ]
c0e8c252 1797 then
3d9a5942 1798 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
72e74a21 1799 elif [ -n "${invalid_p}" ]
104c1213 1800 then
3d9a5942 1801 printf " if (${invalid_p})\n"
8e65ff28
AC
1802 printf " internal_error (__FILE__, __LINE__,\n"
1803 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
72e74a21 1804 elif [ -n "${predefault}" ]
104c1213 1805 then
3d9a5942 1806 printf " if (gdbarch->${function} == ${predefault})\n"
8e65ff28
AC
1807 printf " internal_error (__FILE__, __LINE__,\n"
1808 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
104c1213 1809 fi
3d9a5942
AC
1810 printf " if (gdbarch_debug >= 2)\n"
1811 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1812 printf " return gdbarch->${function};\n"
1813 printf "}\n"
1814 printf "\n"
1815 printf "void\n"
1816 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1817 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1818 printf "{\n"
1819 printf " gdbarch->${function} = ${function};\n"
1820 printf "}\n"
2ada493a
AC
1821 elif class_is_info_p
1822 then
3d9a5942
AC
1823 printf "\n"
1824 printf "${returntype}\n"
1825 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1826 printf "{\n"
8de9bdc4 1827 printf " gdb_assert (gdbarch != NULL);\n"
3d9a5942
AC
1828 printf " if (gdbarch_debug >= 2)\n"
1829 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1830 printf " return gdbarch->${function};\n"
1831 printf "}\n"
2ada493a 1832 fi
104c1213
JM
1833done
1834
1835# All the trailing guff
1836cat <<EOF
1837
1838
f44c642f 1839/* Keep a registry of per-architecture data-pointers required by GDB
104c1213
JM
1840 modules. */
1841
1842struct gdbarch_data
1843{
95160752 1844 unsigned index;
76860b5f 1845 int init_p;
95160752
AC
1846 gdbarch_data_init_ftype *init;
1847 gdbarch_data_free_ftype *free;
104c1213
JM
1848};
1849
1850struct gdbarch_data_registration
1851{
104c1213
JM
1852 struct gdbarch_data *data;
1853 struct gdbarch_data_registration *next;
1854};
1855
f44c642f 1856struct gdbarch_data_registry
104c1213 1857{
95160752 1858 unsigned nr;
104c1213
JM
1859 struct gdbarch_data_registration *registrations;
1860};
1861
f44c642f 1862struct gdbarch_data_registry gdbarch_data_registry =
104c1213
JM
1863{
1864 0, NULL,
1865};
1866
1867struct gdbarch_data *
95160752
AC
1868register_gdbarch_data (gdbarch_data_init_ftype *init,
1869 gdbarch_data_free_ftype *free)
104c1213
JM
1870{
1871 struct gdbarch_data_registration **curr;
76860b5f 1872 /* Append the new registraration. */
f44c642f 1873 for (curr = &gdbarch_data_registry.registrations;
104c1213
JM
1874 (*curr) != NULL;
1875 curr = &(*curr)->next);
1876 (*curr) = XMALLOC (struct gdbarch_data_registration);
1877 (*curr)->next = NULL;
104c1213 1878 (*curr)->data = XMALLOC (struct gdbarch_data);
f44c642f 1879 (*curr)->data->index = gdbarch_data_registry.nr++;
95160752 1880 (*curr)->data->init = init;
76860b5f 1881 (*curr)->data->init_p = 1;
95160752 1882 (*curr)->data->free = free;
104c1213
JM
1883 return (*curr)->data;
1884}
1885
1886
b3cc3077 1887/* Create/delete the gdbarch data vector. */
95160752
AC
1888
1889static void
b3cc3077 1890alloc_gdbarch_data (struct gdbarch *gdbarch)
95160752 1891{
b3cc3077
JB
1892 gdb_assert (gdbarch->data == NULL);
1893 gdbarch->nr_data = gdbarch_data_registry.nr;
1894 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1895}
3c875b6f 1896
b3cc3077
JB
1897static void
1898free_gdbarch_data (struct gdbarch *gdbarch)
1899{
1900 struct gdbarch_data_registration *rego;
1901 gdb_assert (gdbarch->data != NULL);
1902 for (rego = gdbarch_data_registry.registrations;
1903 rego != NULL;
1904 rego = rego->next)
95160752 1905 {
b3cc3077
JB
1906 struct gdbarch_data *data = rego->data;
1907 gdb_assert (data->index < gdbarch->nr_data);
1908 if (data->free != NULL && gdbarch->data[data->index] != NULL)
95160752 1909 {
b3cc3077
JB
1910 data->free (gdbarch, gdbarch->data[data->index]);
1911 gdbarch->data[data->index] = NULL;
95160752 1912 }
104c1213 1913 }
b3cc3077
JB
1914 xfree (gdbarch->data);
1915 gdbarch->data = NULL;
104c1213
JM
1916}
1917
1918
76860b5f 1919/* Initialize the current value of the specified per-architecture
b3cc3077
JB
1920 data-pointer. */
1921
95160752
AC
1922void
1923set_gdbarch_data (struct gdbarch *gdbarch,
1924 struct gdbarch_data *data,
1925 void *pointer)
1926{
1927 gdb_assert (data->index < gdbarch->nr_data);
76860b5f
AC
1928 if (gdbarch->data[data->index] != NULL)
1929 {
1930 gdb_assert (data->free != NULL);
1931 data->free (gdbarch, gdbarch->data[data->index]);
1932 }
95160752
AC
1933 gdbarch->data[data->index] = pointer;
1934}
1935
104c1213
JM
1936/* Return the current value of the specified per-architecture
1937 data-pointer. */
1938
1939void *
451fbdda 1940gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
104c1213 1941{
451fbdda 1942 gdb_assert (data->index < gdbarch->nr_data);
76860b5f
AC
1943 /* The data-pointer isn't initialized, call init() to get a value but
1944 only if the architecture initializaiton has completed. Otherwise
1945 punt - hope that the caller knows what they are doing. */
1946 if (gdbarch->data[data->index] == NULL
1947 && gdbarch->initialized_p)
1948 {
1949 /* Be careful to detect an initialization cycle. */
1950 gdb_assert (data->init_p);
1951 data->init_p = 0;
1952 gdb_assert (data->init != NULL);
1953 gdbarch->data[data->index] = data->init (gdbarch);
1954 data->init_p = 1;
1955 gdb_assert (gdbarch->data[data->index] != NULL);
1956 }
451fbdda 1957 return gdbarch->data[data->index];
104c1213
JM
1958}
1959
1960
1961
f44c642f 1962/* Keep a registry of swapped data required by GDB modules. */
104c1213
JM
1963
1964struct gdbarch_swap
1965{
1966 void *swap;
1967 struct gdbarch_swap_registration *source;
1968 struct gdbarch_swap *next;
1969};
1970
1971struct gdbarch_swap_registration
1972{
1973 void *data;
1974 unsigned long sizeof_data;
1975 gdbarch_swap_ftype *init;
1976 struct gdbarch_swap_registration *next;
1977};
1978
f44c642f 1979struct gdbarch_swap_registry
104c1213
JM
1980{
1981 int nr;
1982 struct gdbarch_swap_registration *registrations;
1983};
1984
f44c642f 1985struct gdbarch_swap_registry gdbarch_swap_registry =
104c1213
JM
1986{
1987 0, NULL,
1988};
1989
1990void
1991register_gdbarch_swap (void *data,
1992 unsigned long sizeof_data,
1993 gdbarch_swap_ftype *init)
1994{
1995 struct gdbarch_swap_registration **rego;
f44c642f 1996 for (rego = &gdbarch_swap_registry.registrations;
104c1213
JM
1997 (*rego) != NULL;
1998 rego = &(*rego)->next);
1999 (*rego) = XMALLOC (struct gdbarch_swap_registration);
2000 (*rego)->next = NULL;
2001 (*rego)->init = init;
2002 (*rego)->data = data;
2003 (*rego)->sizeof_data = sizeof_data;
2004}
2005
40af4b0c
AC
2006static void
2007clear_gdbarch_swap (struct gdbarch *gdbarch)
2008{
2009 struct gdbarch_swap *curr;
2010 for (curr = gdbarch->swap;
2011 curr != NULL;
2012 curr = curr->next)
2013 {
2014 memset (curr->source->data, 0, curr->source->sizeof_data);
2015 }
2016}
104c1213
JM
2017
2018static void
2019init_gdbarch_swap (struct gdbarch *gdbarch)
2020{
2021 struct gdbarch_swap_registration *rego;
2022 struct gdbarch_swap **curr = &gdbarch->swap;
f44c642f 2023 for (rego = gdbarch_swap_registry.registrations;
104c1213
JM
2024 rego != NULL;
2025 rego = rego->next)
2026 {
2027 if (rego->data != NULL)
2028 {
2029 (*curr) = XMALLOC (struct gdbarch_swap);
2030 (*curr)->source = rego;
2031 (*curr)->swap = xmalloc (rego->sizeof_data);
2032 (*curr)->next = NULL;
104c1213
JM
2033 curr = &(*curr)->next;
2034 }
2035 if (rego->init != NULL)
2036 rego->init ();
2037 }
2038}
2039
2040static void
2041swapout_gdbarch_swap (struct gdbarch *gdbarch)
2042{
2043 struct gdbarch_swap *curr;
2044 for (curr = gdbarch->swap;
2045 curr != NULL;
2046 curr = curr->next)
2047 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2048}
2049
2050static void
2051swapin_gdbarch_swap (struct gdbarch *gdbarch)
2052{
2053 struct gdbarch_swap *curr;
2054 for (curr = gdbarch->swap;
2055 curr != NULL;
2056 curr = curr->next)
2057 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2058}
2059
2060
f44c642f 2061/* Keep a registry of the architectures known by GDB. */
104c1213 2062
4b9b3959 2063struct gdbarch_registration
104c1213
JM
2064{
2065 enum bfd_architecture bfd_architecture;
2066 gdbarch_init_ftype *init;
4b9b3959 2067 gdbarch_dump_tdep_ftype *dump_tdep;
104c1213 2068 struct gdbarch_list *arches;
4b9b3959 2069 struct gdbarch_registration *next;
104c1213
JM
2070};
2071
f44c642f 2072static struct gdbarch_registration *gdbarch_registry = NULL;
104c1213 2073
b4a20239
AC
2074static void
2075append_name (const char ***buf, int *nr, const char *name)
2076{
2077 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2078 (*buf)[*nr] = name;
2079 *nr += 1;
2080}
2081
2082const char **
2083gdbarch_printable_names (void)
2084{
2085 if (GDB_MULTI_ARCH)
2086 {
2087 /* Accumulate a list of names based on the registed list of
2088 architectures. */
2089 enum bfd_architecture a;
2090 int nr_arches = 0;
2091 const char **arches = NULL;
4b9b3959 2092 struct gdbarch_registration *rego;
f44c642f 2093 for (rego = gdbarch_registry;
b4a20239
AC
2094 rego != NULL;
2095 rego = rego->next)
2096 {
2097 const struct bfd_arch_info *ap;
2098 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2099 if (ap == NULL)
8e65ff28
AC
2100 internal_error (__FILE__, __LINE__,
2101 "gdbarch_architecture_names: multi-arch unknown");
b4a20239
AC
2102 do
2103 {
2104 append_name (&arches, &nr_arches, ap->printable_name);
2105 ap = ap->next;
2106 }
2107 while (ap != NULL);
2108 }
2109 append_name (&arches, &nr_arches, NULL);
2110 return arches;
2111 }
2112 else
2113 /* Just return all the architectures that BFD knows. Assume that
2114 the legacy architecture framework supports them. */
2115 return bfd_arch_list ();
2116}
2117
2118
104c1213 2119void
4b9b3959
AC
2120gdbarch_register (enum bfd_architecture bfd_architecture,
2121 gdbarch_init_ftype *init,
2122 gdbarch_dump_tdep_ftype *dump_tdep)
104c1213 2123{
4b9b3959 2124 struct gdbarch_registration **curr;
104c1213 2125 const struct bfd_arch_info *bfd_arch_info;
ec3d358c 2126 /* Check that BFD recognizes this architecture */
104c1213
JM
2127 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2128 if (bfd_arch_info == NULL)
2129 {
8e65ff28
AC
2130 internal_error (__FILE__, __LINE__,
2131 "gdbarch: Attempt to register unknown architecture (%d)",
2132 bfd_architecture);
104c1213
JM
2133 }
2134 /* Check that we haven't seen this architecture before */
f44c642f 2135 for (curr = &gdbarch_registry;
104c1213
JM
2136 (*curr) != NULL;
2137 curr = &(*curr)->next)
2138 {
2139 if (bfd_architecture == (*curr)->bfd_architecture)
8e65ff28
AC
2140 internal_error (__FILE__, __LINE__,
2141 "gdbarch: Duplicate registraration of architecture (%s)",
2142 bfd_arch_info->printable_name);
104c1213
JM
2143 }
2144 /* log it */
2145 if (gdbarch_debug)
2146 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2147 bfd_arch_info->printable_name,
2148 (long) init);
2149 /* Append it */
4b9b3959 2150 (*curr) = XMALLOC (struct gdbarch_registration);
104c1213
JM
2151 (*curr)->bfd_architecture = bfd_architecture;
2152 (*curr)->init = init;
4b9b3959 2153 (*curr)->dump_tdep = dump_tdep;
104c1213
JM
2154 (*curr)->arches = NULL;
2155 (*curr)->next = NULL;
8e1a459b
C
2156 /* When non- multi-arch, install whatever target dump routine we've
2157 been provided - hopefully that routine has been written correctly
4b9b3959
AC
2158 and works regardless of multi-arch. */
2159 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2160 && startup_gdbarch.dump_tdep == NULL)
2161 startup_gdbarch.dump_tdep = dump_tdep;
2162}
2163
2164void
2165register_gdbarch_init (enum bfd_architecture bfd_architecture,
2166 gdbarch_init_ftype *init)
2167{
2168 gdbarch_register (bfd_architecture, init, NULL);
104c1213 2169}
104c1213
JM
2170
2171
2172/* Look for an architecture using gdbarch_info. Base search on only
2173 BFD_ARCH_INFO and BYTE_ORDER. */
2174
2175struct gdbarch_list *
2176gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2177 const struct gdbarch_info *info)
2178{
2179 for (; arches != NULL; arches = arches->next)
2180 {
2181 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2182 continue;
2183 if (info->byte_order != arches->gdbarch->byte_order)
2184 continue;
4be87837
DJ
2185 if (info->osabi != arches->gdbarch->osabi)
2186 continue;
104c1213
JM
2187 return arches;
2188 }
2189 return NULL;
2190}
2191
2192
2193/* Update the current architecture. Return ZERO if the update request
2194 failed. */
2195
2196int
16f33e29 2197gdbarch_update_p (struct gdbarch_info info)
104c1213
JM
2198{
2199 struct gdbarch *new_gdbarch;
40af4b0c 2200 struct gdbarch *old_gdbarch;
4b9b3959 2201 struct gdbarch_registration *rego;
104c1213 2202
b732d07d
AC
2203 /* Fill in missing parts of the INFO struct using a number of
2204 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2205
2206 /* \`\`(gdb) set architecture ...'' */
2207 if (info.bfd_arch_info == NULL
2208 && !TARGET_ARCHITECTURE_AUTO)
2209 info.bfd_arch_info = TARGET_ARCHITECTURE;
2210 if (info.bfd_arch_info == NULL
2211 && info.abfd != NULL
2212 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2213 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2214 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
104c1213 2215 if (info.bfd_arch_info == NULL)
b732d07d
AC
2216 info.bfd_arch_info = TARGET_ARCHITECTURE;
2217
2218 /* \`\`(gdb) set byte-order ...'' */
428721aa 2219 if (info.byte_order == BFD_ENDIAN_UNKNOWN
b732d07d
AC
2220 && !TARGET_BYTE_ORDER_AUTO)
2221 info.byte_order = TARGET_BYTE_ORDER;
2222 /* From the INFO struct. */
428721aa 2223 if (info.byte_order == BFD_ENDIAN_UNKNOWN
b732d07d 2224 && info.abfd != NULL)
d7449b42 2225 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
778eb05e 2226 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
428721aa 2227 : BFD_ENDIAN_UNKNOWN);
b732d07d 2228 /* From the current target. */
428721aa 2229 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
b732d07d 2230 info.byte_order = TARGET_BYTE_ORDER;
104c1213 2231
4be87837
DJ
2232 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2233 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2234 info.osabi = gdbarch_lookup_osabi (info.abfd);
2235 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2236 info.osabi = current_gdbarch->osabi;
2237
b732d07d
AC
2238 /* Must have found some sort of architecture. */
2239 gdb_assert (info.bfd_arch_info != NULL);
104c1213
JM
2240
2241 if (gdbarch_debug)
2242 {
2243 fprintf_unfiltered (gdb_stdlog,
b732d07d 2244 "gdbarch_update: info.bfd_arch_info %s\n",
104c1213
JM
2245 (info.bfd_arch_info != NULL
2246 ? info.bfd_arch_info->printable_name
2247 : "(null)"));
2248 fprintf_unfiltered (gdb_stdlog,
b732d07d 2249 "gdbarch_update: info.byte_order %d (%s)\n",
104c1213 2250 info.byte_order,
d7449b42 2251 (info.byte_order == BFD_ENDIAN_BIG ? "big"
778eb05e 2252 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
104c1213 2253 : "default"));
4be87837
DJ
2254 fprintf_unfiltered (gdb_stdlog,
2255 "gdbarch_update: info.osabi %d (%s)\n",
2256 info.osabi, gdbarch_osabi_name (info.osabi));
104c1213 2257 fprintf_unfiltered (gdb_stdlog,
b732d07d 2258 "gdbarch_update: info.abfd 0x%lx\n",
104c1213
JM
2259 (long) info.abfd);
2260 fprintf_unfiltered (gdb_stdlog,
b732d07d 2261 "gdbarch_update: info.tdep_info 0x%lx\n",
104c1213
JM
2262 (long) info.tdep_info);
2263 }
2264
b732d07d
AC
2265 /* Find the target that knows about this architecture. */
2266 for (rego = gdbarch_registry;
2267 rego != NULL;
2268 rego = rego->next)
2269 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2270 break;
2271 if (rego == NULL)
2272 {
2273 if (gdbarch_debug)
2274 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2275 return 0;
2276 }
2277
40af4b0c
AC
2278 /* Swap the data belonging to the old target out setting the
2279 installed data to zero. This stops the ->init() function trying
2280 to refer to the previous architecture's global data structures. */
2281 swapout_gdbarch_swap (current_gdbarch);
2282 clear_gdbarch_swap (current_gdbarch);
2283
2284 /* Save the previously selected architecture, setting the global to
2285 NULL. This stops ->init() trying to use the previous
2286 architecture's configuration. The previous architecture may not
2287 even be of the same architecture family. The most recent
2288 architecture of the same family is found at the head of the
2289 rego->arches list. */
2290 old_gdbarch = current_gdbarch;
2291 current_gdbarch = NULL;
2292
104c1213
JM
2293 /* Ask the target for a replacement architecture. */
2294 new_gdbarch = rego->init (info, rego->arches);
2295
40af4b0c
AC
2296 /* Did the target like it? No. Reject the change and revert to the
2297 old architecture. */
104c1213
JM
2298 if (new_gdbarch == NULL)
2299 {
2300 if (gdbarch_debug)
3d9a5942 2301 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
40af4b0c
AC
2302 swapin_gdbarch_swap (old_gdbarch);
2303 current_gdbarch = old_gdbarch;
104c1213
JM
2304 return 0;
2305 }
2306
40af4b0c
AC
2307 /* Did the architecture change? No. Oops, put the old architecture
2308 back. */
2309 if (old_gdbarch == new_gdbarch)
104c1213
JM
2310 {
2311 if (gdbarch_debug)
3d9a5942 2312 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
104c1213
JM
2313 (long) new_gdbarch,
2314 new_gdbarch->bfd_arch_info->printable_name);
40af4b0c
AC
2315 swapin_gdbarch_swap (old_gdbarch);
2316 current_gdbarch = old_gdbarch;
104c1213
JM
2317 return 1;
2318 }
2319
0f79675b
AC
2320 /* Is this a pre-existing architecture? Yes. Move it to the front
2321 of the list of architectures (keeping the list sorted Most
2322 Recently Used) and then copy it in. */
2323 {
2324 struct gdbarch_list **list;
2325 for (list = &rego->arches;
2326 (*list) != NULL;
2327 list = &(*list)->next)
2328 {
2329 if ((*list)->gdbarch == new_gdbarch)
2330 {
2331 struct gdbarch_list *this;
2332 if (gdbarch_debug)
2333 fprintf_unfiltered (gdb_stdlog,
2334 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2335 (long) new_gdbarch,
2336 new_gdbarch->bfd_arch_info->printable_name);
2337 /* Unlink this. */
2338 this = (*list);
2339 (*list) = this->next;
2340 /* Insert in the front. */
2341 this->next = rego->arches;
2342 rego->arches = this;
2343 /* Copy the new architecture in. */
2344 current_gdbarch = new_gdbarch;
2345 swapin_gdbarch_swap (new_gdbarch);
2346 architecture_changed_event ();
2347 return 1;
2348 }
2349 }
2350 }
2351
2352 /* Prepend this new architecture to the architecture list (keep the
2353 list sorted Most Recently Used). */
2354 {
2355 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2356 this->next = rego->arches;
2357 this->gdbarch = new_gdbarch;
2358 rego->arches = this;
2359 }
104c1213 2360
76860b5f 2361 /* Switch to this new architecture marking it initialized. */
104c1213 2362 current_gdbarch = new_gdbarch;
76860b5f 2363 current_gdbarch->initialized_p = 1;
104c1213
JM
2364 if (gdbarch_debug)
2365 {
2366 fprintf_unfiltered (gdb_stdlog,
3d9a5942 2367 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
104c1213
JM
2368 (long) new_gdbarch,
2369 new_gdbarch->bfd_arch_info->printable_name);
104c1213
JM
2370 }
2371
4b9b3959
AC
2372 /* Check that the newly installed architecture is valid. Plug in
2373 any post init values. */
2374 new_gdbarch->dump_tdep = rego->dump_tdep;
104c1213
JM
2375 verify_gdbarch (new_gdbarch);
2376
cf17c188
AC
2377 /* Initialize the per-architecture memory (swap) areas.
2378 CURRENT_GDBARCH must be update before these modules are
2379 called. */
2380 init_gdbarch_swap (new_gdbarch);
2381
76860b5f 2382 /* Initialize the per-architecture data. CURRENT_GDBARCH
cf17c188 2383 must be updated before these modules are called. */
67c2c32c
KS
2384 architecture_changed_event ();
2385
4b9b3959
AC
2386 if (gdbarch_debug)
2387 gdbarch_dump (current_gdbarch, gdb_stdlog);
2388
104c1213
JM
2389 return 1;
2390}
2391
2392
104c1213
JM
2393/* Disassembler */
2394
2395/* Pointer to the target-dependent disassembly function. */
d7a27068 2396int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info *);
104c1213 2397
104c1213 2398extern void _initialize_gdbarch (void);
b4a20239 2399
104c1213 2400void
34620563 2401_initialize_gdbarch (void)
104c1213 2402{
59233f88
AC
2403 struct cmd_list_element *c;
2404
59233f88 2405 add_show_from_set (add_set_cmd ("arch",
104c1213
JM
2406 class_maintenance,
2407 var_zinteger,
2408 (char *)&gdbarch_debug,
3d9a5942 2409 "Set architecture debugging.\\n\\
59233f88
AC
2410When non-zero, architecture debugging is enabled.", &setdebuglist),
2411 &showdebuglist);
2412 c = add_set_cmd ("archdebug",
2413 class_maintenance,
2414 var_zinteger,
2415 (char *)&gdbarch_debug,
3d9a5942 2416 "Set architecture debugging.\\n\\
59233f88
AC
2417When non-zero, architecture debugging is enabled.", &setlist);
2418
2419 deprecate_cmd (c, "set debug arch");
2420 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
104c1213
JM
2421}
2422EOF
2423
2424# close things off
2425exec 1>&2
2426#../move-if-change new-gdbarch.c gdbarch.c
59233f88 2427compare_new gdbarch.c
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