Commit | Line | Data |
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104c1213 JM |
1 | #!/usr/local/bin/bash |
2 | ||
3 | # Architecture commands for GDB, the GNU debugger. | |
59233f88 | 4 | # Copyright 1998-2000 Free Software Foundation, Inc. |
104c1213 JM |
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 | ||
59233f88 AC |
22 | compare_new () |
23 | { | |
24 | file=$1 | |
25 | if ! test -r ${file} | |
26 | then | |
27 | echo "${file} missing? cp new-${file} ${file}" 1>&2 | |
28 | elif diff -c ${file} new-${file} | |
29 | then | |
30 | echo "${file} unchanged" 1>&2 | |
31 | else | |
32 | echo "${file} has changed? cp new-${file} ${file}" 1>&2 | |
33 | fi | |
34 | } | |
35 | ||
36 | ||
c0e8c252 AC |
37 | # DEFAULT is a valid fallback definition of a MACRO when |
38 | # multi-arch is not enabled. | |
39 | default_is_fallback_p () | |
40 | { | |
41 | [ "${default}" != "" -a "${invalid_p}" = "0" ] | |
c0e8c252 AC |
42 | } |
43 | ||
59233f88 | 44 | # Format of the input table |
c0e8c252 AC |
45 | read="class level macro returntype function formal actual attrib startup default invalid_p fmt print print_p description" |
46 | ||
2ada493a AC |
47 | class_is_variable_p () |
48 | { | |
49 | [ "${class}" = "v" -o "${class}" = "V" ] | |
50 | } | |
51 | ||
52 | class_is_function_p () | |
53 | { | |
54 | [ "${class}" = "f" -o "${class}" = "F" ] | |
55 | } | |
56 | ||
57 | class_is_predicate_p () | |
58 | { | |
59 | [ "${class}" = "F" -o "${class}" = "V" ] | |
60 | } | |
61 | ||
62 | class_is_info_p () | |
63 | { | |
64 | [ "${class}" = "i" ] | |
65 | } | |
66 | ||
67 | ||
c0e8c252 AC |
68 | do_read () |
69 | { | |
70 | if eval read $read | |
71 | then | |
72 | test "${startup}" || startup=0 | |
73 | test "${fmt}" || fmt="%ld" | |
74 | test "${print}" || print="(long) ${macro}" | |
2ada493a AC |
75 | #FIXME: |
76 | #Should set DEFAULT to zero and force the user to provide | |
77 | #an invalid_p=0 | |
78 | #test "${default}" || default=0 - NO | |
79 | case "${invalid_p}" in | |
80 | 0 ) valid_p=1 ;; | |
81 | "" ) test "${default}" && valid_p="gdbarch->${function} != ${default}" | |
82 | #NOT_YET | |
83 | #test "${default}" && invalid_p="gdbarch->${function} == ${default}" | |
84 | ;; | |
85 | * ) valid_p="!(${invalid_p})" | |
86 | esac | |
87 | #NOT YET: | |
c0e8c252 AC |
88 | : |
89 | else | |
90 | false | |
91 | fi | |
92 | } | |
93 | ||
104c1213 | 94 | |
cff3e48b JM |
95 | # dump out/verify the doco |
96 | for field in ${read} | |
97 | do | |
98 | case ${field} in | |
99 | ||
100 | class ) : ;; | |
c4093a6a | 101 | |
c0e8c252 AC |
102 | # # -> line disable |
103 | # f -> function | |
104 | # hiding a function | |
2ada493a AC |
105 | # F -> function + predicate |
106 | # hiding a function + predicate to test function validity | |
c0e8c252 AC |
107 | # v -> variable |
108 | # hiding a variable | |
2ada493a AC |
109 | # V -> variable + predicate |
110 | # hiding a variable + predicate to test variables validity | |
c0e8c252 AC |
111 | # i -> set from info |
112 | # hiding something from the ``struct info'' object | |
cff3e48b JM |
113 | |
114 | level ) : ;; | |
115 | ||
c0e8c252 AC |
116 | # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >= |
117 | # LEVEL is a predicate on checking that a given method is | |
118 | # initialized (using INVALID_P). | |
cff3e48b JM |
119 | |
120 | macro ) : ;; | |
121 | ||
c0e8c252 | 122 | # The name of the MACRO that this method is to be accessed by. |
cff3e48b JM |
123 | |
124 | returntype ) : ;; | |
125 | ||
c0e8c252 | 126 | # For functions, the return type; for variables, the data type |
cff3e48b JM |
127 | |
128 | function ) : ;; | |
129 | ||
c0e8c252 AC |
130 | # For functions, the member function name; for variables, the |
131 | # variable name. Member function names are always prefixed with | |
132 | # ``gdbarch_'' for name-space purity. | |
cff3e48b JM |
133 | |
134 | formal ) : ;; | |
135 | ||
c0e8c252 AC |
136 | # The formal argument list. It is assumed that the formal |
137 | # argument list includes the actual name of each list element. | |
138 | # A function with no arguments shall have ``void'' as the | |
139 | # formal argument list. | |
cff3e48b JM |
140 | |
141 | actual ) : ;; | |
142 | ||
c0e8c252 AC |
143 | # The list of actual arguments. The arguments specified shall |
144 | # match the FORMAL list given above. Functions with out | |
145 | # arguments leave this blank. | |
cff3e48b JM |
146 | |
147 | attrib ) : ;; | |
148 | ||
c0e8c252 AC |
149 | # Any GCC attributes that should be attached to the function |
150 | # declaration. At present this field is unused. | |
cff3e48b | 151 | |
c0e8c252 AC |
152 | startup ) : ;; |
153 | ||
154 | # To help with the GDB startup a static gdbarch object is | |
155 | # created. STARTUP is the value to insert into that static | |
156 | # gdbarch object. | |
cff3e48b | 157 | |
c0e8c252 AC |
158 | # By default ``0'' is used. |
159 | ||
160 | default ) : ;; | |
cff3e48b | 161 | |
c0e8c252 AC |
162 | # Any initial value to assign to a new gdbarch object after it |
163 | # as been malloc()ed. Zero is used by default. | |
cff3e48b | 164 | |
c0e8c252 AC |
165 | # Specify a non-empty DEFAULT and a zero INVALID_P to create a |
166 | # fallback value or function for when multi-arch is disabled. | |
167 | # Specify a zero DEFAULT function to make that fallback | |
168 | # illegal to call. | |
cff3e48b | 169 | |
c4093a6a | 170 | invalid_p ) : ;; |
cff3e48b | 171 | |
c0e8c252 AC |
172 | # A predicate equation that validates MEMBER. Non-zero is |
173 | # returned if the code creating the new architecture failed to | |
174 | # initialize the MEMBER or initialized the member to something | |
175 | # invalid. By default, a check that the value is no longer | |
2ada493a | 176 | # equal to DEFAULT is performed. The equation ``0'' disables |
c0e8c252 | 177 | # the invalid_p check. |
cff3e48b JM |
178 | |
179 | fmt ) : ;; | |
180 | ||
c0e8c252 AC |
181 | # printf style format string that can be used to print out the |
182 | # MEMBER. Sometimes "%s" is useful. For functions, this is | |
183 | # ignored and the function address is printed. | |
184 | ||
185 | # By default ```%ld'' is used. | |
cff3e48b JM |
186 | |
187 | print ) : ;; | |
188 | ||
c0e8c252 AC |
189 | # An optional equation that casts MEMBER to a value suitable |
190 | # for formatting by FMT. | |
191 | ||
192 | # By default ``(long)'' is used. | |
cff3e48b JM |
193 | |
194 | print_p ) : ;; | |
195 | ||
c0e8c252 AC |
196 | # An optional indicator for any predicte to wrap around the |
197 | # print member code. | |
198 | ||
c0e8c252 AC |
199 | # exp -> Wrap print up in ``if (${print_p}) ... |
200 | # ``'' -> No predicate | |
cff3e48b JM |
201 | |
202 | description ) : ;; | |
203 | ||
204 | # Currently unused. | |
205 | ||
206 | *) exit 1;; | |
207 | esac | |
208 | done | |
209 | ||
210 | IFS=: | |
211 | ||
104c1213 JM |
212 | function_list () |
213 | { | |
cff3e48b | 214 | # See below (DOCO) for description of each field |
104c1213 JM |
215 | cat <<EOF | |
216 | i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct:::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL | |
217 | # | |
218 | i:2:TARGET_BYTE_ORDER:int:byte_order::::BIG_ENDIAN | |
219 | # | |
c4093a6a | 220 | v:1:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address:0 |
104c1213 JM |
221 | v:1:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):0 |
222 | #v:1:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):0 | |
223 | v:1:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):0 | |
224 | v:1:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):0 | |
225 | v:1:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):0 | |
226 | v:1:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):0 | |
227 | v:1:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):0 | |
228 | v:1:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):0 | |
229 | v:1:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):0 | |
ba886e9d | 230 | v:1:IEEE_FLOAT:int:ieee_float::::0:0:0::: |
104c1213 JM |
231 | # |
232 | f:1:TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:0 | |
233 | f:1:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:0 | |
234 | f:1:TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:0 | |
235 | f:1:TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:0 | |
236 | f:1:TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:0 | |
237 | f:1:TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:0 | |
238 | # | |
239 | v:2:NUM_REGS:int:num_regs::::0:-1 | |
240 | v:2:SP_REGNUM:int:sp_regnum::::0:-1 | |
241 | v:2:FP_REGNUM:int:fp_regnum::::0:-1 | |
242 | v:2:PC_REGNUM:int:pc_regnum::::0:-1 | |
60054393 | 243 | v:2:FP0_REGNUM:int:fp0_regnum::::0:-1:0 |
03863182 AC |
244 | v:2:NPC_REGNUM:int:npc_regnum::::0:-1:0 |
245 | v:2:NNPC_REGNUM:int:nnpc_regnum::::0:-1:0 | |
c0e8c252 | 246 | f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name:0 |
104c1213 JM |
247 | v:2:REGISTER_SIZE:int:register_size::::0:-1 |
248 | v:2:REGISTER_BYTES:int:register_bytes::::0:-1 | |
249 | f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::0:0 | |
250 | f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::0:0 | |
251 | v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1 | |
252 | f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::0:0 | |
253 | v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1 | |
254 | f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0 | |
255 | # | |
256 | v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1 | |
257 | v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0 | |
258 | f:2:CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void:::0:0:gdbarch->call_dummy_location == AT_ENTRY_POINT && gdbarch->call_dummy_address == 0: | |
259 | v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1::0x%08lx | |
260 | v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-1::0x%08lx | |
261 | v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1 | |
262 | v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END | |
263 | f:2:PC_IN_CALL_DUMMY:int:pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::0:0 | |
264 | v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1 | |
c0e8c252 AC |
265 | v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words:0:0x%08lx |
266 | v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words:0:0x%08lx | |
104c1213 JM |
267 | v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1::0x%08lx |
268 | v:2:CALL_DUMMY_STACK_ADJUST:int:call_dummy_stack_adjust::::0::gdbarch->call_dummy_stack_adjust_p && gdbarch->call_dummy_stack_adjust == 0:0x%08lx::CALL_DUMMY_STACK_ADJUST_P | |
269 | f:2:FIX_CALL_DUMMY:void: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::0:0 | |
270 | # | |
381323f4 AC |
271 | v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion::::0::::: |
272 | v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type::::0::::: | |
c0e8c252 | 273 | f:2:COERCE_FLOAT_TO_DOUBLE:int:coerce_float_to_double:struct type *formal, struct type *actual:formal, actual:::default_coerce_float_to_double:0 |
104c1213 JM |
274 | f:1:GET_SAVED_REGISTER:void: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::generic_get_saved_register:0 |
275 | # | |
c0e8c252 AC |
276 | f:1:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not:0 |
277 | f:2:REGISTER_CONVERT_TO_VIRTUAL:void:register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0:0 | |
278 | f:2:REGISTER_CONVERT_TO_RAW:void:register_convert_to_raw:struct type *type, int regnum, char *from, char *to:type, regnum, from, to:::0:0 | |
104c1213 | 279 | # |
4478b372 JB |
280 | f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, char *buf:type, buf:::generic_pointer_to_address:0 |
281 | f:2:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, char *buf, CORE_ADDR addr:type, buf, addr:::generic_address_to_pointer:0 | |
282 | # | |
71a9f22e | 283 | f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not:0 |
104c1213 JM |
284 | f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0 |
285 | f:1:PUSH_ARGUMENTS:CORE_ADDR:push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr::0:0 | |
c0e8c252 AC |
286 | f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0 |
287 | f:1:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0 | |
288 | f:2:POP_FRAME:void:pop_frame:void:-:::0 | |
104c1213 JM |
289 | # |
290 | # I wish that these would just go away.... | |
c0e8c252 AC |
291 | f:2:D10V_MAKE_DADDR:CORE_ADDR:d10v_make_daddr:CORE_ADDR x:x:::0:0 |
292 | f:2:D10V_MAKE_IADDR:CORE_ADDR:d10v_make_iaddr:CORE_ADDR x:x:::0:0 | |
06b8da7d MS |
293 | f:2:D10V_DADDR_P:int:d10v_daddr_p:CORE_ADDR x:x:::0:0 |
294 | f:2:D10V_IADDR_P:int:d10v_iaddr_p:CORE_ADDR x:x:::0:0 | |
295 | f:2:D10V_CONVERT_DADDR_TO_RAW:CORE_ADDR:d10v_convert_daddr_to_raw:CORE_ADDR x:x:::0:0 | |
296 | f:2:D10V_CONVERT_IADDR_TO_RAW:CORE_ADDR:d10v_convert_iaddr_to_raw:CORE_ADDR x:x:::0:0 | |
104c1213 | 297 | # |
c0e8c252 AC |
298 | f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0 |
299 | f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, char *valbuf:type, valbuf:::0 | |
300 | f:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:char *regbuf:regbuf:::0 | |
301 | f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::0 | |
104c1213 JM |
302 | # |
303 | f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0 | |
c0e8c252 | 304 | f:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0 |
104c1213 JM |
305 | # |
306 | f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0 | |
dad41f9a | 307 | f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p:0 |
104c1213 | 308 | f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0 |
c0e8c252 | 309 | f:2:BREAKPOINT_FROM_PC:unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc:0 |
917317f4 JM |
310 | f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint:0 |
311 | f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint:0 | |
104c1213 JM |
312 | v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1 |
313 | v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1 | |
314 | # | |
c0e8c252 | 315 | f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address:0 |
104c1213 JM |
316 | # |
317 | v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1 | |
c0e8c252 | 318 | f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not:0 |
104c1213 JM |
319 | f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0 |
320 | f:1:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0 | |
321 | f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0 | |
322 | f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0 | |
323 | f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:0 | |
324 | f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0 | |
325 | f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0 | |
326 | # | |
2ada493a | 327 | F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0 |
d03e67c9 | 328 | F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0 |
104c1213 JM |
329 | EOF |
330 | grep -v '^#' | |
331 | } | |
332 | ||
333 | ||
334 | # dump it out | |
335 | if true | |
336 | then | |
2ada493a AC |
337 | exec > new-gdbarch |
338 | function_list | while do_read # eval read $read | |
339 | do | |
340 | cat <<EOF | |
104c1213 JM |
341 | ${class} ${macro}(${actual}) |
342 | ${returntype} ${function} ($formal)${attrib} | |
343 | level=${level} | |
c0e8c252 | 344 | startup=${startup} |
104c1213 | 345 | default=${default} |
c4093a6a | 346 | invalid_p=${invalid_p} |
2ada493a | 347 | valid_p=${valid_p} |
104c1213 JM |
348 | fmt=${fmt} |
349 | print=${print} | |
350 | print_p=${print_p} | |
351 | description=${description} | |
352 | EOF | |
2ada493a AC |
353 | if class_is_predicate_p && default_is_fallback_p |
354 | then | |
355 | echo "Error: predicate function can not have a non- multi-arch default" 1>&2 | |
33489c5b | 356 | kill $$ |
2ada493a AC |
357 | exit 1 |
358 | fi | |
359 | done | |
360 | exec 1>&2 | |
104c1213 JM |
361 | fi |
362 | ||
363 | copyright () | |
364 | { | |
365 | cat <<EOF | |
59233f88 AC |
366 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */ |
367 | ||
104c1213 JM |
368 | /* Dynamic architecture support for GDB, the GNU debugger. |
369 | Copyright 1998-1999, Free Software Foundation, Inc. | |
370 | ||
371 | This file is part of GDB. | |
372 | ||
373 | This program is free software; you can redistribute it and/or modify | |
374 | it under the terms of the GNU General Public License as published by | |
375 | the Free Software Foundation; either version 2 of the License, or | |
376 | (at your option) any later version. | |
377 | ||
378 | This program is distributed in the hope that it will be useful, | |
379 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
380 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
381 | GNU General Public License for more details. | |
382 | ||
383 | You should have received a copy of the GNU General Public License | |
384 | along with this program; if not, write to the Free Software | |
385 | Foundation, Inc., 59 Temple Place - Suite 330, | |
386 | Boston, MA 02111-1307, USA. */ | |
387 | ||
104c1213 JM |
388 | /* This file was created with the aid of \`\`gdbarch.sh''. |
389 | ||
390 | The bourn shell script \`\`gdbarch.sh'' creates the files | |
391 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them | |
392 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
393 | being reported. | |
394 | ||
395 | If editing this file, please also run gdbarch.sh and merge any | |
396 | changes into that script. Conversely, when makeing sweeping changes | |
397 | to this file, modifying gdbarch.sh and using its output may prove | |
398 | easier. */ | |
399 | ||
400 | EOF | |
401 | } | |
402 | ||
403 | # | |
404 | # The .h file | |
405 | # | |
406 | ||
407 | exec > new-gdbarch.h | |
408 | copyright | |
409 | cat <<EOF | |
410 | #ifndef GDBARCH_H | |
411 | #define GDBARCH_H | |
412 | ||
413 | struct frame_info; | |
414 | struct value; | |
415 | ||
416 | ||
417 | #ifndef GDB_MULTI_ARCH | |
418 | #define GDB_MULTI_ARCH 0 | |
419 | #endif | |
420 | ||
421 | extern struct gdbarch *current_gdbarch; | |
422 | ||
423 | ||
424 | /* See gdb/doc/gdbint.texi for a discussion of the GDB_MULTI_ARCH | |
425 | macro */ | |
426 | ||
427 | ||
428 | /* If any of the following are defined, the target wasn't correctly | |
429 | converted. */ | |
430 | ||
104c1213 JM |
431 | #if GDB_MULTI_ARCH |
432 | #if defined (EXTRA_FRAME_INFO) | |
433 | #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info" | |
434 | #endif | |
435 | #endif | |
436 | ||
437 | #if GDB_MULTI_ARCH | |
438 | #if defined (FRAME_FIND_SAVED_REGS) | |
439 | #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS" | |
440 | #endif | |
441 | #endif | |
442 | EOF | |
443 | ||
444 | # function typedef's | |
445 | echo "" | |
446 | echo "" | |
447 | echo "/* The following are pre-initialized by GDBARCH. */" | |
c0e8c252 | 448 | function_list | while do_read # eval read $read |
104c1213 | 449 | do |
2ada493a AC |
450 | if class_is_info_p |
451 | then | |
104c1213 JM |
452 | echo "" |
453 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" | |
454 | echo "/* set_gdbarch_${function}() - not applicable - pre-initialized. */" | |
455 | echo "#if GDB_MULTI_ARCH" | |
456 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" | |
457 | echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" | |
458 | echo "#endif" | |
459 | echo "#endif" | |
2ada493a | 460 | fi |
104c1213 JM |
461 | done |
462 | ||
463 | # function typedef's | |
464 | echo "" | |
465 | echo "" | |
466 | echo "/* The following are initialized by the target dependant code. */" | |
c0e8c252 | 467 | function_list | while do_read # eval read $read |
104c1213 | 468 | do |
2ada493a AC |
469 | if class_is_predicate_p |
470 | then | |
471 | echo "" | |
472 | echo "#if defined (${macro})" | |
473 | echo "/* Legacy for systems yet to multi-arch ${macro} */" | |
33489c5b | 474 | # echo "#if (GDB_MULTI_ARCH <= 2) && defined (${macro})" |
2ada493a AC |
475 | echo "#define ${macro}_P() (1)" |
476 | echo "#endif" | |
477 | echo "" | |
33489c5b AC |
478 | echo "/* Default predicate for non- multi-arch targets. */" |
479 | echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro}_P)" | |
480 | echo "#define ${macro}_P() (0)" | |
481 | echo "#endif" | |
482 | echo "" | |
2ada493a AC |
483 | echo "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);" |
484 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro}_P)" | |
485 | echo "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))" | |
486 | echo "#endif" | |
487 | fi | |
488 | if class_is_variable_p | |
489 | then | |
33489c5b AC |
490 | if default_is_fallback_p || class_is_predicate_p |
491 | then | |
492 | echo "" | |
493 | echo "/* Default (value) for non- multi-arch platforms. */" | |
494 | echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro})" | |
495 | echo "#define ${macro} (${default})" | |
496 | echo "#endif" | |
497 | fi | |
104c1213 JM |
498 | echo "" |
499 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" | |
500 | echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});" | |
33489c5b | 501 | echo "#if GDB_MULTI_ARCH" |
104c1213 JM |
502 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" |
503 | echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" | |
504 | echo "#endif" | |
33489c5b | 505 | echo "#endif" |
2ada493a AC |
506 | fi |
507 | if class_is_function_p | |
508 | then | |
33489c5b AC |
509 | if default_is_fallback_p || class_is_predicate_p |
510 | then | |
511 | echo "" | |
512 | echo "/* Default (function) for non- multi-arch platforms. */" | |
513 | echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro})" | |
514 | if [ "${default}" = "0" ] | |
515 | then | |
516 | echo "#define ${macro}(${actual}) (internal_error (\"${macro}\"), 0)" | |
517 | else | |
518 | echo "#define ${macro}(${actual}) (${default} (${actual}))" | |
519 | fi | |
520 | echo "#endif" | |
521 | fi | |
104c1213 JM |
522 | echo "" |
523 | echo "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});" | |
524 | if [ "${formal}" = "void" ] | |
525 | then | |
526 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" | |
527 | else | |
528 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});" | |
529 | fi | |
530 | echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});" | |
33489c5b | 531 | echo "#if GDB_MULTI_ARCH" |
104c1213 JM |
532 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" |
533 | if [ "${actual}" = "" ] | |
534 | then | |
535 | echo "#define ${macro}() (gdbarch_${function} (current_gdbarch))" | |
536 | elif [ "${actual}" = "-" ] | |
537 | then | |
538 | echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" | |
539 | else | |
540 | echo "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))" | |
541 | fi | |
542 | echo "#endif" | |
33489c5b | 543 | echo "#endif" |
2ada493a | 544 | fi |
104c1213 JM |
545 | done |
546 | ||
547 | # close it off | |
548 | cat <<EOF | |
549 | ||
550 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); | |
551 | ||
552 | ||
553 | /* Mechanism for co-ordinating the selection of a specific | |
554 | architecture. | |
555 | ||
556 | GDB targets (*-tdep.c) can register an interest in a specific | |
557 | architecture. Other GDB components can register a need to maintain | |
558 | per-architecture data. | |
559 | ||
560 | The mechanisms below ensures that there is only a loose connection | |
561 | between the set-architecture command and the various GDB | |
562 | components. Each component can independantly register their need | |
563 | to maintain architecture specific data with gdbarch. | |
564 | ||
565 | Pragmatics: | |
566 | ||
567 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
568 | didn't scale. | |
569 | ||
570 | The more traditional mega-struct containing architecture specific | |
571 | data for all the various GDB components was also considered. Since | |
572 | GDB is built from a variable number of (fairly independant) | |
573 | components it was determined that the global aproach was not | |
574 | applicable. */ | |
575 | ||
576 | ||
577 | /* Register a new architectural family with GDB. | |
578 | ||
579 | Register support for the specified ARCHITECTURE with GDB. When | |
580 | gdbarch determines that the specified architecture has been | |
581 | selected, the corresponding INIT function is called. | |
582 | ||
583 | -- | |
584 | ||
585 | The INIT function takes two parameters: INFO which contains the | |
586 | information available to gdbarch about the (possibly new) | |
587 | architecture; ARCHES which is a list of the previously created | |
588 | \`\`struct gdbarch'' for this architecture. | |
589 | ||
590 | The INIT function parameter INFO shall, as far as possible, be | |
591 | pre-initialized with information obtained from INFO.ABFD or | |
592 | previously selected architecture (if similar). INIT shall ensure | |
593 | that the INFO.BYTE_ORDER is non-zero. | |
594 | ||
595 | The INIT function shall return any of: NULL - indicating that it | |
596 | doesn't reconize the selected architecture; an existing \`\`struct | |
597 | gdbarch'' from the ARCHES list - indicating that the new | |
598 | architecture is just a synonym for an earlier architecture (see | |
599 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
600 | - that describes the selected architecture (see | |
601 | gdbarch_alloc()). */ | |
602 | ||
603 | struct gdbarch_list | |
604 | { | |
605 | struct gdbarch *gdbarch; | |
606 | struct gdbarch_list *next; | |
607 | }; | |
608 | ||
609 | struct gdbarch_info | |
610 | { | |
611 | /* Use default: bfd_arch_unknown (ZERO). */ | |
612 | enum bfd_architecture bfd_architecture; | |
613 | ||
614 | /* Use default: NULL (ZERO). */ | |
615 | const struct bfd_arch_info *bfd_arch_info; | |
616 | ||
617 | /* Use default: 0 (ZERO). */ | |
618 | int byte_order; | |
619 | ||
620 | /* Use default: NULL (ZERO). */ | |
621 | bfd *abfd; | |
622 | ||
623 | /* Use default: NULL (ZERO). */ | |
624 | struct gdbarch_tdep_info *tdep_info; | |
625 | }; | |
626 | ||
627 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
628 | ||
629 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); | |
630 | ||
631 | ||
632 | /* Helper function. Search the list of ARCHES for a GDBARCH that | |
633 | matches the information provided by INFO. */ | |
634 | ||
635 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); | |
636 | ||
637 | ||
638 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
639 | basic initialization using values obtained from the INFO andTDEP | |
640 | parameters. set_gdbarch_*() functions are called to complete the | |
641 | initialization of the object. */ | |
642 | ||
643 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
644 | ||
645 | ||
058f20d5 JB |
646 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. */ |
647 | extern void gdbarch_free (struct gdbarch *); | |
648 | ||
649 | ||
104c1213 JM |
650 | /* Helper function. Force an update of the current architecture. Used |
651 | by legacy targets that have added their own target specific | |
652 | architecture manipulation commands. | |
653 | ||
654 | The INFO parameter shall be fully initialized (\`\`memset (&INFO, | |
655 | sizeof (info), 0)'' set relevant fields) before gdbarch_update() is | |
656 | called. gdbarch_update() shall initialize any \`\`default'' fields | |
657 | using information obtained from the previous architecture or | |
658 | INFO.ABFD (if specified) before calling the corresponding | |
659 | architectures INIT function. */ | |
660 | ||
661 | extern int gdbarch_update (struct gdbarch_info info); | |
662 | ||
663 | ||
664 | ||
665 | /* Register per-architecture data-pointer. | |
666 | ||
667 | Reserve space for a per-architecture data-pointer. An identifier | |
668 | for the reserved data-pointer is returned. That identifer should | |
669 | be saved in a local static. | |
670 | ||
671 | When a new architecture is selected, INIT() is called. When a | |
672 | previous architecture is re-selected, the per-architecture | |
673 | data-pointer for that previous architecture is restored (INIT() is | |
674 | not called). | |
675 | ||
676 | INIT() shall return the initial value for the per-architecture | |
677 | data-pointer for the current architecture. | |
678 | ||
679 | Multiple registrarants for any architecture are allowed (and | |
680 | strongly encouraged). */ | |
681 | ||
682 | typedef void *(gdbarch_data_ftype) (void); | |
683 | extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_ftype *init); | |
684 | ||
685 | /* Return the value of the per-architecture data-pointer for the | |
686 | current architecture. */ | |
687 | ||
688 | extern void *gdbarch_data (struct gdbarch_data*); | |
689 | ||
690 | ||
691 | ||
692 | /* Register per-architecture memory region. | |
693 | ||
694 | Provide a memory-region swap mechanism. Per-architecture memory | |
695 | region are created. These memory regions are swapped whenever the | |
696 | architecture is changed. For a new architecture, the memory region | |
697 | is initialized with zero (0) and the INIT function is called. | |
698 | ||
699 | Memory regions are swapped / initialized in the order that they are | |
700 | registered. NULL DATA and/or INIT values can be specified. | |
701 | ||
702 | New code should use register_gdbarch_data(). */ | |
703 | ||
704 | typedef void (gdbarch_swap_ftype) (void); | |
705 | extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init); | |
e514a9d6 | 706 | #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL) |
104c1213 JM |
707 | |
708 | ||
709 | ||
710 | /* The target-system-dependant byte order is dynamic */ | |
711 | ||
712 | /* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness | |
713 | is selectable at runtime. The user can use the \`\`set endian'' | |
714 | command to change it. TARGET_BYTE_ORDER_AUTO is nonzero when | |
715 | target_byte_order should be auto-detected (from the program image | |
716 | say). */ | |
717 | ||
718 | #if GDB_MULTI_ARCH | |
719 | /* Multi-arch GDB is always bi-endian. */ | |
720 | #define TARGET_BYTE_ORDER_SELECTABLE_P 1 | |
721 | #endif | |
722 | ||
723 | #ifndef TARGET_BYTE_ORDER_SELECTABLE_P | |
724 | /* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE | |
725 | when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */ | |
726 | #ifdef TARGET_BYTE_ORDER_SELECTABLE | |
727 | #define TARGET_BYTE_ORDER_SELECTABLE_P 1 | |
728 | #else | |
729 | #define TARGET_BYTE_ORDER_SELECTABLE_P 0 | |
730 | #endif | |
731 | #endif | |
732 | ||
733 | extern int target_byte_order; | |
734 | #ifdef TARGET_BYTE_ORDER_SELECTABLE | |
735 | /* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE | |
736 | and expect defs.h to re-define TARGET_BYTE_ORDER. */ | |
737 | #undef TARGET_BYTE_ORDER | |
738 | #endif | |
739 | #ifndef TARGET_BYTE_ORDER | |
740 | #define TARGET_BYTE_ORDER (target_byte_order + 0) | |
741 | #endif | |
742 | ||
743 | extern int target_byte_order_auto; | |
744 | #ifndef TARGET_BYTE_ORDER_AUTO | |
745 | #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0) | |
746 | #endif | |
747 | ||
748 | ||
749 | ||
750 | /* The target-system-dependant BFD architecture is dynamic */ | |
751 | ||
752 | extern int target_architecture_auto; | |
753 | #ifndef TARGET_ARCHITECTURE_AUTO | |
754 | #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0) | |
755 | #endif | |
756 | ||
757 | extern const struct bfd_arch_info *target_architecture; | |
758 | #ifndef TARGET_ARCHITECTURE | |
759 | #define TARGET_ARCHITECTURE (target_architecture + 0) | |
760 | #endif | |
761 | ||
762 | /* Notify the target dependant backend of a change to the selected | |
763 | architecture. A zero return status indicates that the target did | |
764 | not like the change. */ | |
765 | ||
766 | extern int (*target_architecture_hook) (const struct bfd_arch_info *); | |
767 | ||
768 | ||
769 | ||
770 | /* The target-system-dependant disassembler is semi-dynamic */ | |
771 | ||
772 | #include "dis-asm.h" /* Get defs for disassemble_info */ | |
773 | ||
774 | extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr, | |
ff844c8d | 775 | unsigned int len, disassemble_info *info); |
104c1213 JM |
776 | |
777 | extern void dis_asm_memory_error (int status, bfd_vma memaddr, | |
778 | disassemble_info *info); | |
779 | ||
780 | extern void dis_asm_print_address (bfd_vma addr, | |
781 | disassemble_info *info); | |
782 | ||
783 | extern int (*tm_print_insn) (bfd_vma, disassemble_info*); | |
784 | extern disassemble_info tm_print_insn_info; | |
785 | #ifndef TARGET_PRINT_INSN | |
786 | #define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info) | |
787 | #endif | |
788 | #ifndef TARGET_PRINT_INSN_INFO | |
789 | #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info) | |
790 | #endif | |
791 | ||
792 | ||
793 | ||
794 | /* Explicit test for D10V architecture. | |
795 | USE of these macro's is *STRONGLY* discouraged. */ | |
796 | ||
797 | #define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v) | |
104c1213 JM |
798 | |
799 | ||
800 | /* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */ | |
801 | #ifndef EXTRACT_STRUCT_VALUE_ADDRESS | |
802 | #define EXTRACT_STRUCT_VALUE_ADDRESS_P (0) | |
803 | #define EXTRACT_STRUCT_VALUE_ADDRESS(X) (internal_error ("gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0) | |
804 | #else | |
805 | #ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P | |
806 | #define EXTRACT_STRUCT_VALUE_ADDRESS_P (1) | |
807 | #endif | |
808 | #endif | |
809 | ||
810 | ||
104c1213 JM |
811 | /* Set the dynamic target-system-dependant parameters (architecture, |
812 | byte-order, ...) using information found in the BFD */ | |
813 | ||
814 | extern void set_gdbarch_from_file (bfd *); | |
815 | ||
816 | ||
817 | /* Explicitly set the dynamic target-system-dependant parameters based | |
818 | on bfd_architecture and machine. */ | |
819 | ||
820 | extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); | |
821 | ||
822 | ||
e514a9d6 JM |
823 | /* Initialize the current architecture to the "first" one we find on |
824 | our list. */ | |
825 | ||
826 | extern void initialize_current_architecture (void); | |
827 | ||
104c1213 JM |
828 | /* Helper function for targets that don't know how my arguments are |
829 | being passed */ | |
830 | ||
831 | extern int frame_num_args_unknown (struct frame_info *fi); | |
832 | ||
833 | ||
834 | /* gdbarch trace variable */ | |
835 | extern int gdbarch_debug; | |
836 | ||
837 | extern void gdbarch_dump (void); | |
838 | ||
839 | #endif | |
840 | EOF | |
841 | exec 1>&2 | |
842 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 843 | compare_new gdbarch.h |
104c1213 JM |
844 | |
845 | ||
846 | # | |
847 | # C file | |
848 | # | |
849 | ||
850 | exec > new-gdbarch.c | |
851 | copyright | |
852 | cat <<EOF | |
853 | ||
854 | #include "defs.h" | |
7355ddba | 855 | #include "arch-utils.h" |
104c1213 JM |
856 | |
857 | #if GDB_MULTI_ARCH | |
858 | #include "gdbcmd.h" | |
859 | #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */ | |
860 | #else | |
861 | /* Just include everything in sight so that the every old definition | |
862 | of macro is visible. */ | |
863 | #include "gdb_string.h" | |
864 | #include <ctype.h> | |
865 | #include "symtab.h" | |
866 | #include "frame.h" | |
867 | #include "inferior.h" | |
868 | #include "breakpoint.h" | |
0596389c | 869 | #include "gdb_wait.h" |
104c1213 JM |
870 | #include "gdbcore.h" |
871 | #include "gdbcmd.h" | |
872 | #include "target.h" | |
873 | #include "gdbthread.h" | |
874 | #include "annotate.h" | |
875 | #include "symfile.h" /* for overlay functions */ | |
876 | #endif | |
877 | #include "symcat.h" | |
878 | ||
879 | ||
880 | /* Static function declarations */ | |
881 | ||
882 | static void verify_gdbarch (struct gdbarch *gdbarch); | |
883 | static void init_gdbarch_data (struct gdbarch *); | |
884 | static void init_gdbarch_swap (struct gdbarch *); | |
885 | static void swapout_gdbarch_swap (struct gdbarch *); | |
886 | static void swapin_gdbarch_swap (struct gdbarch *); | |
887 | ||
888 | /* Convenience macro for allocting typesafe memory. */ | |
889 | ||
890 | #ifndef XMALLOC | |
891 | #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) | |
892 | #endif | |
893 | ||
894 | ||
895 | /* Non-zero if we want to trace architecture code. */ | |
896 | ||
897 | #ifndef GDBARCH_DEBUG | |
898 | #define GDBARCH_DEBUG 0 | |
899 | #endif | |
900 | int gdbarch_debug = GDBARCH_DEBUG; | |
901 | ||
902 | EOF | |
903 | ||
904 | # gdbarch open the gdbarch object | |
905 | echo "" | |
906 | echo "/* Maintain the struct gdbarch object */" | |
907 | echo "" | |
908 | echo "struct gdbarch" | |
909 | echo "{" | |
910 | echo " /* basic architectural information */" | |
c0e8c252 | 911 | function_list | while do_read # eval read $read |
104c1213 | 912 | do |
2ada493a AC |
913 | if class_is_info_p |
914 | then | |
915 | echo " ${returntype} ${function};" | |
916 | fi | |
104c1213 JM |
917 | done |
918 | echo "" | |
919 | echo " /* target specific vector. */" | |
920 | echo " struct gdbarch_tdep *tdep;" | |
921 | echo "" | |
922 | echo " /* per-architecture data-pointers */" | |
923 | echo " int nr_data;" | |
924 | echo " void **data;" | |
925 | echo "" | |
926 | echo " /* per-architecture swap-regions */" | |
927 | echo " struct gdbarch_swap *swap;" | |
928 | echo "" | |
929 | cat <<EOF | |
930 | /* Multi-arch values. | |
931 | ||
932 | When extending this structure you must: | |
933 | ||
934 | Add the field below. | |
935 | ||
936 | Declare set/get functions and define the corresponding | |
937 | macro in gdbarch.h. | |
938 | ||
939 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
940 | initialize the new field. | |
941 | ||
942 | verify_gdbarch(): Confirm that the target updated the field | |
943 | correctly. | |
944 | ||
945 | gdbarch_dump(): Add a fprintf_unfiltered call to so that the new | |
946 | field is dumped out | |
947 | ||
c0e8c252 | 948 | \`\`startup_gdbarch()'': Append an initial value to the static |
104c1213 JM |
949 | variable (base values on the host's c-type system). |
950 | ||
951 | get_gdbarch(): Implement the set/get functions (probably using | |
952 | the macro's as shortcuts). | |
953 | ||
954 | */ | |
955 | ||
956 | EOF | |
c0e8c252 | 957 | function_list | while do_read # eval read $read |
104c1213 | 958 | do |
2ada493a AC |
959 | if class_is_variable_p |
960 | then | |
961 | echo " ${returntype} ${function};" | |
962 | elif class_is_function_p | |
963 | then | |
964 | echo " gdbarch_${function}_ftype *${function}${attrib};" | |
965 | fi | |
104c1213 JM |
966 | done |
967 | echo "};" | |
968 | ||
969 | # A pre-initialized vector | |
970 | echo "" | |
971 | echo "" | |
972 | cat <<EOF | |
973 | /* The default architecture uses host values (for want of a better | |
974 | choice). */ | |
975 | EOF | |
976 | echo "" | |
977 | echo "extern const struct bfd_arch_info bfd_default_arch_struct;" | |
978 | echo "" | |
c0e8c252 | 979 | echo "struct gdbarch startup_gdbarch = {" |
104c1213 | 980 | echo " /* basic architecture information */" |
c0e8c252 | 981 | function_list | while do_read # eval read $read |
104c1213 | 982 | do |
2ada493a AC |
983 | if class_is_info_p |
984 | then | |
985 | echo " ${startup}," | |
986 | fi | |
104c1213 JM |
987 | done |
988 | cat <<EOF | |
989 | /* target specific vector */ | |
990 | NULL, | |
991 | /*per-architecture data-pointers and swap regions */ | |
992 | 0, NULL, NULL, | |
993 | /* Multi-arch values */ | |
994 | EOF | |
c0e8c252 | 995 | function_list | while do_read # eval read $read |
104c1213 | 996 | do |
2ada493a AC |
997 | if class_is_function_p || class_is_variable_p |
998 | then | |
999 | echo " ${startup}," | |
1000 | fi | |
104c1213 JM |
1001 | done |
1002 | cat <<EOF | |
c0e8c252 | 1003 | /* startup_gdbarch() */ |
104c1213 | 1004 | }; |
c0e8c252 | 1005 | struct gdbarch *current_gdbarch = &startup_gdbarch; |
104c1213 JM |
1006 | EOF |
1007 | ||
1008 | # Create a new gdbarch struct | |
1009 | echo "" | |
1010 | echo "" | |
1011 | cat <<EOF | |
1012 | /* Create a new \`\`struct gdbarch'' based in information provided by | |
1013 | \`\`struct gdbarch_info''. */ | |
1014 | EOF | |
1015 | echo "" | |
1016 | cat <<EOF | |
1017 | struct gdbarch * | |
1018 | gdbarch_alloc (const struct gdbarch_info *info, | |
1019 | struct gdbarch_tdep *tdep) | |
1020 | { | |
1021 | struct gdbarch *gdbarch = XMALLOC (struct gdbarch); | |
1022 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1023 | ||
1024 | gdbarch->tdep = tdep; | |
1025 | EOF | |
1026 | echo "" | |
c0e8c252 | 1027 | function_list | while do_read # eval read $read |
104c1213 | 1028 | do |
2ada493a AC |
1029 | if class_is_info_p |
1030 | then | |
1031 | echo " gdbarch->${function} = info->${function};" | |
1032 | fi | |
104c1213 JM |
1033 | done |
1034 | echo "" | |
1035 | echo " /* Force the explicit initialization of these. */" | |
c0e8c252 | 1036 | function_list | while do_read # eval read $read |
104c1213 | 1037 | do |
2ada493a AC |
1038 | if class_is_function_p || class_is_variable_p |
1039 | then | |
c0e8c252 | 1040 | if [ "${default}" != "" -a "${default}" != "0" ] |
104c1213 | 1041 | then |
c0e8c252 | 1042 | echo " gdbarch->${function} = ${default};" |
104c1213 | 1043 | fi |
2ada493a | 1044 | fi |
104c1213 JM |
1045 | done |
1046 | cat <<EOF | |
1047 | /* gdbarch_alloc() */ | |
1048 | ||
1049 | return gdbarch; | |
1050 | } | |
1051 | EOF | |
1052 | ||
058f20d5 JB |
1053 | # Free a gdbarch struct. |
1054 | echo "" | |
1055 | echo "" | |
1056 | cat <<EOF | |
1057 | /* Free a gdbarch struct. This should never happen in normal | |
1058 | operation --- once you've created a gdbarch, you keep it around. | |
1059 | However, if an architecture's init function encounters an error | |
1060 | building the structure, it may need to clean up a partially | |
1061 | constructed gdbarch. */ | |
1062 | void | |
1063 | gdbarch_free (struct gdbarch *arch) | |
1064 | { | |
1065 | /* At the moment, this is trivial. */ | |
1066 | free (arch); | |
1067 | } | |
1068 | EOF | |
1069 | ||
104c1213 JM |
1070 | # verify a new architecture |
1071 | echo "" | |
1072 | echo "" | |
1073 | echo "/* Ensure that all values in a GDBARCH are reasonable. */" | |
1074 | echo "" | |
1075 | cat <<EOF | |
1076 | static void | |
1077 | verify_gdbarch (struct gdbarch *gdbarch) | |
1078 | { | |
1079 | /* Only perform sanity checks on a multi-arch target. */ | |
1080 | if (GDB_MULTI_ARCH <= 0) | |
1081 | return; | |
1082 | /* fundamental */ | |
1083 | if (gdbarch->byte_order == 0) | |
1084 | internal_error ("verify_gdbarch: byte-order unset"); | |
1085 | if (gdbarch->bfd_arch_info == NULL) | |
1086 | internal_error ("verify_gdbarch: bfd_arch_info unset"); | |
1087 | /* Check those that need to be defined for the given multi-arch level. */ | |
1088 | EOF | |
c0e8c252 | 1089 | function_list | while do_read # eval read $read |
104c1213 | 1090 | do |
2ada493a AC |
1091 | if class_is_function_p || class_is_variable_p |
1092 | then | |
c0e8c252 AC |
1093 | if [ "${invalid_p}" = "0" ] |
1094 | then | |
1095 | echo " /* Skip verify of ${function}, invalid_p == 0 */" | |
2ada493a AC |
1096 | elif class_is_predicate_p |
1097 | then | |
1098 | echo " /* Skip verify of ${function}, has predicate */" | |
c0e8c252 | 1099 | elif [ "${invalid_p}" ] |
104c1213 | 1100 | then |
c0e8c252 AC |
1101 | echo " if ((GDB_MULTI_ARCH >= ${level})" |
1102 | echo " && (${invalid_p}))" | |
1103 | echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");" | |
1104 | elif [ "${default}" ] | |
104c1213 | 1105 | then |
c0e8c252 AC |
1106 | echo " if ((GDB_MULTI_ARCH >= ${level})" |
1107 | echo " && (gdbarch->${function} == ${default}))" | |
1108 | echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");" | |
104c1213 | 1109 | fi |
2ada493a | 1110 | fi |
104c1213 JM |
1111 | done |
1112 | cat <<EOF | |
1113 | } | |
1114 | EOF | |
1115 | ||
1116 | # dump the structure | |
1117 | echo "" | |
1118 | echo "" | |
1119 | echo "/* Print out the details of the current architecture. */" | |
1120 | echo "" | |
1121 | cat <<EOF | |
1122 | void | |
1123 | gdbarch_dump (void) | |
1124 | { | |
1125 | EOF | |
c0e8c252 | 1126 | function_list | while do_read # eval read $read |
104c1213 | 1127 | do |
381323f4 | 1128 | echo "#ifdef ${macro}" |
2ada493a AC |
1129 | if class_is_function_p |
1130 | then | |
104c1213 JM |
1131 | echo " fprintf_unfiltered (gdb_stdlog," |
1132 | echo " \"gdbarch_update: ${macro} = 0x%08lx\\n\"," | |
1133 | echo " (long) current_gdbarch->${function}" | |
1134 | echo " /*${macro} ()*/);" | |
2ada493a | 1135 | else |
381323f4 | 1136 | if [ "${print_p}" ] |
104c1213 JM |
1137 | then |
1138 | echo " if (${print_p})" | |
1139 | echo " fprintf_unfiltered (gdb_stdlog," | |
1140 | echo " \"gdbarch_update: ${macro} = ${fmt}\\n\"," | |
1141 | echo " ${print});" | |
1142 | else | |
1143 | echo " fprintf_unfiltered (gdb_stdlog," | |
1144 | echo " \"gdbarch_update: ${macro} = ${fmt}\\n\"," | |
1145 | echo " ${print});" | |
1146 | fi | |
2ada493a | 1147 | fi |
381323f4 | 1148 | echo "#endif" |
104c1213 | 1149 | done |
381323f4 AC |
1150 | cat <<EOF |
1151 | fprintf_unfiltered (gdb_stdlog, | |
1152 | "gdbarch_update: GDB_MULTI_ARCH = %d\\n", | |
1153 | GDB_MULTI_ARCH); | |
1154 | } | |
1155 | EOF | |
104c1213 JM |
1156 | |
1157 | ||
1158 | # GET/SET | |
1159 | echo "" | |
1160 | cat <<EOF | |
1161 | struct gdbarch_tdep * | |
1162 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1163 | { | |
1164 | if (gdbarch_debug >= 2) | |
104c1213 JM |
1165 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\n"); |
1166 | return gdbarch->tdep; | |
1167 | } | |
1168 | EOF | |
1169 | echo "" | |
c0e8c252 | 1170 | function_list | while do_read # eval read $read |
104c1213 | 1171 | do |
2ada493a AC |
1172 | if class_is_predicate_p |
1173 | then | |
1174 | echo "" | |
1175 | echo "int" | |
1176 | echo "gdbarch_${function}_p (struct gdbarch *gdbarch)" | |
1177 | echo "{" | |
1178 | if [ "${valid_p}" ] | |
1179 | then | |
1180 | echo " return ${valid_p};" | |
1181 | else | |
1182 | echo "#error \"gdbarch_${function}_p: not defined\"" | |
1183 | fi | |
1184 | echo "}" | |
1185 | fi | |
1186 | if class_is_function_p | |
1187 | then | |
104c1213 JM |
1188 | echo "" |
1189 | echo "${returntype}" | |
1190 | if [ "${formal}" = "void" ] | |
1191 | then | |
1192 | echo "gdbarch_${function} (struct gdbarch *gdbarch)" | |
1193 | else | |
1194 | echo "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})" | |
1195 | fi | |
1196 | echo "{" | |
1197 | echo " if (gdbarch->${function} == 0)" | |
1198 | echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" | |
1199 | echo " if (gdbarch_debug >= 2)" | |
104c1213 JM |
1200 | echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" |
1201 | test "${actual}" = "-" && actual="" | |
1202 | if [ "${returntype}" = "void" ] | |
1203 | then | |
1204 | echo " gdbarch->${function} (${actual});" | |
1205 | else | |
1206 | echo " return gdbarch->${function} (${actual});" | |
1207 | fi | |
1208 | echo "}" | |
1209 | echo "" | |
1210 | echo "void" | |
1211 | echo "set_gdbarch_${function} (struct gdbarch *gdbarch," | |
cff3e48b | 1212 | echo " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})" |
104c1213 JM |
1213 | echo "{" |
1214 | echo " gdbarch->${function} = ${function};" | |
1215 | echo "}" | |
2ada493a AC |
1216 | elif class_is_variable_p |
1217 | then | |
104c1213 JM |
1218 | echo "" |
1219 | echo "${returntype}" | |
1220 | echo "gdbarch_${function} (struct gdbarch *gdbarch)" | |
1221 | echo "{" | |
c0e8c252 AC |
1222 | if [ "${invalid_p}" = "0" ] |
1223 | then | |
1224 | echo " /* Skip verify of ${function}, invalid_p == 0 */" | |
1225 | elif [ "${invalid_p}" ] | |
104c1213 | 1226 | then |
c4093a6a | 1227 | echo " if (${invalid_p})" |
104c1213 | 1228 | echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" |
c0e8c252 | 1229 | elif [ "${default}" ] |
104c1213 | 1230 | then |
c0e8c252 | 1231 | echo " if (gdbarch->${function} == ${default})" |
104c1213 JM |
1232 | echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" |
1233 | fi | |
1234 | echo " if (gdbarch_debug >= 2)" | |
104c1213 JM |
1235 | echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" |
1236 | echo " return gdbarch->${function};" | |
1237 | echo "}" | |
1238 | echo "" | |
1239 | echo "void" | |
1240 | echo "set_gdbarch_${function} (struct gdbarch *gdbarch," | |
cff3e48b | 1241 | echo " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})" |
104c1213 JM |
1242 | echo "{" |
1243 | echo " gdbarch->${function} = ${function};" | |
1244 | echo "}" | |
2ada493a AC |
1245 | elif class_is_info_p |
1246 | then | |
104c1213 JM |
1247 | echo "" |
1248 | echo "${returntype}" | |
1249 | echo "gdbarch_${function} (struct gdbarch *gdbarch)" | |
1250 | echo "{" | |
1251 | echo " if (gdbarch_debug >= 2)" | |
104c1213 JM |
1252 | echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" |
1253 | echo " return gdbarch->${function};" | |
1254 | echo "}" | |
2ada493a | 1255 | fi |
104c1213 JM |
1256 | done |
1257 | ||
1258 | # All the trailing guff | |
1259 | cat <<EOF | |
1260 | ||
1261 | ||
1262 | /* Keep a registrary of per-architecture data-pointers required by GDB | |
1263 | modules. */ | |
1264 | ||
1265 | struct gdbarch_data | |
1266 | { | |
1267 | int index; | |
1268 | }; | |
1269 | ||
1270 | struct gdbarch_data_registration | |
1271 | { | |
1272 | gdbarch_data_ftype *init; | |
1273 | struct gdbarch_data *data; | |
1274 | struct gdbarch_data_registration *next; | |
1275 | }; | |
1276 | ||
1277 | struct gdbarch_data_registrary | |
1278 | { | |
1279 | int nr; | |
1280 | struct gdbarch_data_registration *registrations; | |
1281 | }; | |
1282 | ||
1283 | struct gdbarch_data_registrary gdbarch_data_registrary = | |
1284 | { | |
1285 | 0, NULL, | |
1286 | }; | |
1287 | ||
1288 | struct gdbarch_data * | |
1289 | register_gdbarch_data (gdbarch_data_ftype *init) | |
1290 | { | |
1291 | struct gdbarch_data_registration **curr; | |
1292 | for (curr = &gdbarch_data_registrary.registrations; | |
1293 | (*curr) != NULL; | |
1294 | curr = &(*curr)->next); | |
1295 | (*curr) = XMALLOC (struct gdbarch_data_registration); | |
1296 | (*curr)->next = NULL; | |
1297 | (*curr)->init = init; | |
1298 | (*curr)->data = XMALLOC (struct gdbarch_data); | |
1299 | (*curr)->data->index = gdbarch_data_registrary.nr++; | |
1300 | return (*curr)->data; | |
1301 | } | |
1302 | ||
1303 | ||
1304 | /* Walk through all the registered users initializing each in turn. */ | |
1305 | ||
1306 | static void | |
1307 | init_gdbarch_data (struct gdbarch *gdbarch) | |
1308 | { | |
1309 | struct gdbarch_data_registration *rego; | |
1310 | gdbarch->nr_data = gdbarch_data_registrary.nr + 1; | |
1311 | gdbarch->data = xmalloc (sizeof (void*) * gdbarch->nr_data); | |
1312 | for (rego = gdbarch_data_registrary.registrations; | |
1313 | rego != NULL; | |
1314 | rego = rego->next) | |
1315 | { | |
1316 | if (rego->data->index < gdbarch->nr_data) | |
1317 | gdbarch->data[rego->data->index] = rego->init (); | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | ||
1322 | /* Return the current value of the specified per-architecture | |
1323 | data-pointer. */ | |
1324 | ||
1325 | void * | |
1326 | gdbarch_data (data) | |
1327 | struct gdbarch_data *data; | |
1328 | { | |
1329 | if (data->index >= current_gdbarch->nr_data) | |
1330 | internal_error ("gdbarch_data: request for non-existant data."); | |
1331 | return current_gdbarch->data[data->index]; | |
1332 | } | |
1333 | ||
1334 | ||
1335 | ||
1336 | /* Keep a registrary of swaped data required by GDB modules. */ | |
1337 | ||
1338 | struct gdbarch_swap | |
1339 | { | |
1340 | void *swap; | |
1341 | struct gdbarch_swap_registration *source; | |
1342 | struct gdbarch_swap *next; | |
1343 | }; | |
1344 | ||
1345 | struct gdbarch_swap_registration | |
1346 | { | |
1347 | void *data; | |
1348 | unsigned long sizeof_data; | |
1349 | gdbarch_swap_ftype *init; | |
1350 | struct gdbarch_swap_registration *next; | |
1351 | }; | |
1352 | ||
1353 | struct gdbarch_swap_registrary | |
1354 | { | |
1355 | int nr; | |
1356 | struct gdbarch_swap_registration *registrations; | |
1357 | }; | |
1358 | ||
1359 | struct gdbarch_swap_registrary gdbarch_swap_registrary = | |
1360 | { | |
1361 | 0, NULL, | |
1362 | }; | |
1363 | ||
1364 | void | |
1365 | register_gdbarch_swap (void *data, | |
1366 | unsigned long sizeof_data, | |
1367 | gdbarch_swap_ftype *init) | |
1368 | { | |
1369 | struct gdbarch_swap_registration **rego; | |
1370 | for (rego = &gdbarch_swap_registrary.registrations; | |
1371 | (*rego) != NULL; | |
1372 | rego = &(*rego)->next); | |
1373 | (*rego) = XMALLOC (struct gdbarch_swap_registration); | |
1374 | (*rego)->next = NULL; | |
1375 | (*rego)->init = init; | |
1376 | (*rego)->data = data; | |
1377 | (*rego)->sizeof_data = sizeof_data; | |
1378 | } | |
1379 | ||
1380 | ||
1381 | static void | |
1382 | init_gdbarch_swap (struct gdbarch *gdbarch) | |
1383 | { | |
1384 | struct gdbarch_swap_registration *rego; | |
1385 | struct gdbarch_swap **curr = &gdbarch->swap; | |
1386 | for (rego = gdbarch_swap_registrary.registrations; | |
1387 | rego != NULL; | |
1388 | rego = rego->next) | |
1389 | { | |
1390 | if (rego->data != NULL) | |
1391 | { | |
1392 | (*curr) = XMALLOC (struct gdbarch_swap); | |
1393 | (*curr)->source = rego; | |
1394 | (*curr)->swap = xmalloc (rego->sizeof_data); | |
1395 | (*curr)->next = NULL; | |
1396 | memset (rego->data, 0, rego->sizeof_data); | |
1397 | curr = &(*curr)->next; | |
1398 | } | |
1399 | if (rego->init != NULL) | |
1400 | rego->init (); | |
1401 | } | |
1402 | } | |
1403 | ||
1404 | static void | |
1405 | swapout_gdbarch_swap (struct gdbarch *gdbarch) | |
1406 | { | |
1407 | struct gdbarch_swap *curr; | |
1408 | for (curr = gdbarch->swap; | |
1409 | curr != NULL; | |
1410 | curr = curr->next) | |
1411 | memcpy (curr->swap, curr->source->data, curr->source->sizeof_data); | |
1412 | } | |
1413 | ||
1414 | static void | |
1415 | swapin_gdbarch_swap (struct gdbarch *gdbarch) | |
1416 | { | |
1417 | struct gdbarch_swap *curr; | |
1418 | for (curr = gdbarch->swap; | |
1419 | curr != NULL; | |
1420 | curr = curr->next) | |
1421 | memcpy (curr->source->data, curr->swap, curr->source->sizeof_data); | |
1422 | } | |
1423 | ||
1424 | ||
1425 | /* Keep a registrary of the architectures known by GDB. */ | |
1426 | ||
1427 | struct gdbarch_init_registration | |
1428 | { | |
1429 | enum bfd_architecture bfd_architecture; | |
1430 | gdbarch_init_ftype *init; | |
1431 | struct gdbarch_list *arches; | |
1432 | struct gdbarch_init_registration *next; | |
1433 | }; | |
1434 | ||
1435 | static struct gdbarch_init_registration *gdbarch_init_registrary = NULL; | |
1436 | ||
1437 | void | |
1438 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
1439 | gdbarch_init_ftype *init) | |
1440 | { | |
1441 | struct gdbarch_init_registration **curr; | |
1442 | const struct bfd_arch_info *bfd_arch_info; | |
1443 | /* Check that BFD reconizes this architecture */ | |
1444 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); | |
1445 | if (bfd_arch_info == NULL) | |
1446 | { | |
1447 | internal_error ("gdbarch: Attempt to register unknown architecture (%d)", bfd_architecture); | |
1448 | } | |
1449 | /* Check that we haven't seen this architecture before */ | |
1450 | for (curr = &gdbarch_init_registrary; | |
1451 | (*curr) != NULL; | |
1452 | curr = &(*curr)->next) | |
1453 | { | |
1454 | if (bfd_architecture == (*curr)->bfd_architecture) | |
1455 | internal_error ("gdbarch: Duplicate registraration of architecture (%s)", | |
1456 | bfd_arch_info->printable_name); | |
1457 | } | |
1458 | /* log it */ | |
1459 | if (gdbarch_debug) | |
1460 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n", | |
1461 | bfd_arch_info->printable_name, | |
1462 | (long) init); | |
1463 | /* Append it */ | |
1464 | (*curr) = XMALLOC (struct gdbarch_init_registration); | |
1465 | (*curr)->bfd_architecture = bfd_architecture; | |
1466 | (*curr)->init = init; | |
1467 | (*curr)->arches = NULL; | |
1468 | (*curr)->next = NULL; | |
1469 | } | |
1470 | ||
1471 | ||
1472 | ||
1473 | /* Look for an architecture using gdbarch_info. Base search on only | |
1474 | BFD_ARCH_INFO and BYTE_ORDER. */ | |
1475 | ||
1476 | struct gdbarch_list * | |
1477 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
1478 | const struct gdbarch_info *info) | |
1479 | { | |
1480 | for (; arches != NULL; arches = arches->next) | |
1481 | { | |
1482 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
1483 | continue; | |
1484 | if (info->byte_order != arches->gdbarch->byte_order) | |
1485 | continue; | |
1486 | return arches; | |
1487 | } | |
1488 | return NULL; | |
1489 | } | |
1490 | ||
1491 | ||
1492 | /* Update the current architecture. Return ZERO if the update request | |
1493 | failed. */ | |
1494 | ||
1495 | int | |
1496 | gdbarch_update (struct gdbarch_info info) | |
1497 | { | |
1498 | struct gdbarch *new_gdbarch; | |
1499 | struct gdbarch_list **list; | |
1500 | struct gdbarch_init_registration *rego; | |
1501 | ||
1502 | /* Fill in any missing bits. Most important is the bfd_architecture | |
1503 | which is used to select the target architecture. */ | |
1504 | if (info.bfd_architecture == bfd_arch_unknown) | |
1505 | { | |
1506 | if (info.bfd_arch_info != NULL) | |
1507 | info.bfd_architecture = info.bfd_arch_info->arch; | |
1508 | else if (info.abfd != NULL) | |
1509 | info.bfd_architecture = bfd_get_arch (info.abfd); | |
1510 | /* FIXME - should query BFD for its default architecture. */ | |
1511 | else | |
1512 | info.bfd_architecture = current_gdbarch->bfd_arch_info->arch; | |
1513 | } | |
1514 | if (info.bfd_arch_info == NULL) | |
1515 | { | |
1516 | if (target_architecture_auto && info.abfd != NULL) | |
1517 | info.bfd_arch_info = bfd_get_arch_info (info.abfd); | |
1518 | else | |
1519 | info.bfd_arch_info = current_gdbarch->bfd_arch_info; | |
1520 | } | |
1521 | if (info.byte_order == 0) | |
1522 | { | |
1523 | if (target_byte_order_auto && info.abfd != NULL) | |
1524 | info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN | |
1525 | : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN | |
1526 | : 0); | |
1527 | else | |
1528 | info.byte_order = current_gdbarch->byte_order; | |
1529 | /* FIXME - should query BFD for its default byte-order. */ | |
1530 | } | |
1531 | /* A default for abfd? */ | |
1532 | ||
1533 | /* Find the target that knows about this architecture. */ | |
1534 | for (rego = gdbarch_init_registrary; | |
1535 | rego != NULL && rego->bfd_architecture != info.bfd_architecture; | |
1536 | rego = rego->next); | |
1537 | if (rego == NULL) | |
1538 | { | |
1539 | if (gdbarch_debug) | |
1540 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\n"); | |
1541 | return 0; | |
1542 | } | |
1543 | ||
1544 | if (gdbarch_debug) | |
1545 | { | |
1546 | fprintf_unfiltered (gdb_stdlog, | |
1547 | "gdbarch_update: info.bfd_architecture %d (%s)\n", | |
1548 | info.bfd_architecture, | |
1549 | bfd_lookup_arch (info.bfd_architecture, 0)->printable_name); | |
1550 | fprintf_unfiltered (gdb_stdlog, | |
1551 | "gdbarch_update: info.bfd_arch_info %s\n", | |
1552 | (info.bfd_arch_info != NULL | |
1553 | ? info.bfd_arch_info->printable_name | |
1554 | : "(null)")); | |
1555 | fprintf_unfiltered (gdb_stdlog, | |
1556 | "gdbarch_update: info.byte_order %d (%s)\n", | |
1557 | info.byte_order, | |
1558 | (info.byte_order == BIG_ENDIAN ? "big" | |
1559 | : info.byte_order == LITTLE_ENDIAN ? "little" | |
1560 | : "default")); | |
1561 | fprintf_unfiltered (gdb_stdlog, | |
1562 | "gdbarch_update: info.abfd 0x%lx\n", | |
1563 | (long) info.abfd); | |
1564 | fprintf_unfiltered (gdb_stdlog, | |
1565 | "gdbarch_update: info.tdep_info 0x%lx\n", | |
1566 | (long) info.tdep_info); | |
1567 | } | |
1568 | ||
1569 | /* Ask the target for a replacement architecture. */ | |
1570 | new_gdbarch = rego->init (info, rego->arches); | |
1571 | ||
1572 | /* Did the target like it? No. Reject the change. */ | |
1573 | if (new_gdbarch == NULL) | |
1574 | { | |
1575 | if (gdbarch_debug) | |
1576 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\n"); | |
1577 | return 0; | |
1578 | } | |
1579 | ||
1580 | /* Did the architecture change? No. Do nothing. */ | |
1581 | if (current_gdbarch == new_gdbarch) | |
1582 | { | |
1583 | if (gdbarch_debug) | |
1584 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\n", | |
1585 | (long) new_gdbarch, | |
1586 | new_gdbarch->bfd_arch_info->printable_name); | |
1587 | return 1; | |
1588 | } | |
1589 | ||
1590 | /* Swap all data belonging to the old target out */ | |
1591 | swapout_gdbarch_swap (current_gdbarch); | |
1592 | ||
1593 | /* Is this a pre-existing architecture? Yes. Swap it in. */ | |
1594 | for (list = ®o->arches; | |
1595 | (*list) != NULL; | |
1596 | list = &(*list)->next) | |
1597 | { | |
1598 | if ((*list)->gdbarch == new_gdbarch) | |
1599 | { | |
1600 | if (gdbarch_debug) | |
1601 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n", | |
1602 | (long) new_gdbarch, | |
1603 | new_gdbarch->bfd_arch_info->printable_name); | |
1604 | current_gdbarch = new_gdbarch; | |
1605 | swapin_gdbarch_swap (new_gdbarch); | |
1606 | return 1; | |
1607 | } | |
1608 | } | |
1609 | ||
1610 | /* Append this new architecture to this targets list. */ | |
1611 | (*list) = XMALLOC (struct gdbarch_list); | |
1612 | (*list)->next = NULL; | |
1613 | (*list)->gdbarch = new_gdbarch; | |
1614 | ||
1615 | /* Switch to this new architecture. Dump it out. */ | |
1616 | current_gdbarch = new_gdbarch; | |
1617 | if (gdbarch_debug) | |
1618 | { | |
1619 | fprintf_unfiltered (gdb_stdlog, | |
1620 | "gdbarch_update: New architecture 0x%08lx (%s) selected\n", | |
1621 | (long) new_gdbarch, | |
1622 | new_gdbarch->bfd_arch_info->printable_name); | |
1623 | gdbarch_dump (); | |
1624 | } | |
1625 | ||
1626 | /* Check that the newly installed architecture is valid. */ | |
1627 | verify_gdbarch (new_gdbarch); | |
1628 | ||
1629 | /* Initialize the per-architecture memory (swap) areas. | |
1630 | CURRENT_GDBARCH must be update before these modules are | |
1631 | called. */ | |
1632 | init_gdbarch_swap (new_gdbarch); | |
1633 | ||
1634 | /* Initialize the per-architecture data-pointer of all parties that | |
1635 | registered an interest in this architecture. CURRENT_GDBARCH | |
1636 | must be updated before these modules are called. */ | |
1637 | init_gdbarch_data (new_gdbarch); | |
1638 | ||
1639 | return 1; | |
1640 | } | |
1641 | ||
1642 | ||
1643 | ||
1644 | /* Functions to manipulate the endianness of the target. */ | |
1645 | ||
1646 | #ifdef TARGET_BYTE_ORDER_SELECTABLE | |
1647 | /* compat - Catch old targets that expect a selectable byte-order to | |
1648 | default to BIG_ENDIAN */ | |
1649 | #ifndef TARGET_BYTE_ORDER_DEFAULT | |
1650 | #define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN | |
1651 | #endif | |
1652 | #endif | |
1653 | #if !TARGET_BYTE_ORDER_SELECTABLE_P | |
1654 | #ifndef TARGET_BYTE_ORDER_DEFAULT | |
1655 | /* compat - Catch old non byte-order selectable targets that do not | |
1656 | define TARGET_BYTE_ORDER_DEFAULT and instead expect | |
1657 | TARGET_BYTE_ORDER to be used as the default. For targets that | |
1658 | defined neither TARGET_BYTE_ORDER nor TARGET_BYTE_ORDER_DEFAULT the | |
1659 | below will get a strange compiler warning. */ | |
1660 | #define TARGET_BYTE_ORDER_DEFAULT TARGET_BYTE_ORDER | |
1661 | #endif | |
1662 | #endif | |
1663 | #ifndef TARGET_BYTE_ORDER_DEFAULT | |
1664 | #define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN /* arbitrary */ | |
1665 | #endif | |
1666 | int target_byte_order = TARGET_BYTE_ORDER_DEFAULT; | |
1667 | int target_byte_order_auto = 1; | |
1668 | ||
1669 | /* Chain containing the \"set endian\" commands. */ | |
1670 | static struct cmd_list_element *endianlist = NULL; | |
1671 | ||
1672 | /* Called by \`\`show endian''. */ | |
1673 | static void | |
1674 | show_endian (char *args, int from_tty) | |
1675 | { | |
1676 | char *msg = | |
1677 | (TARGET_BYTE_ORDER_AUTO | |
1678 | ? "The target endianness is set automatically (currently %s endian)\n" | |
1679 | : "The target is assumed to be %s endian\n"); | |
1680 | printf_unfiltered (msg, (TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little")); | |
1681 | } | |
1682 | ||
1683 | /* Called if the user enters \`\`set endian'' without an argument. */ | |
1684 | static void | |
1685 | set_endian (char *args, int from_tty) | |
1686 | { | |
1687 | printf_unfiltered ("\"set endian\" must be followed by \"auto\", \"big\" or \"little\".\n"); | |
1688 | show_endian (args, from_tty); | |
1689 | } | |
1690 | ||
1691 | /* Called by \`\`set endian big''. */ | |
1692 | static void | |
1693 | set_endian_big (char *args, int from_tty) | |
1694 | { | |
1695 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1696 | { | |
1697 | target_byte_order = BIG_ENDIAN; | |
1698 | target_byte_order_auto = 0; | |
1699 | if (GDB_MULTI_ARCH) | |
1700 | { | |
1701 | struct gdbarch_info info; | |
1702 | memset (&info, 0, sizeof info); | |
1703 | info.byte_order = BIG_ENDIAN; | |
1704 | gdbarch_update (info); | |
1705 | } | |
1706 | } | |
1707 | else | |
1708 | { | |
1709 | printf_unfiltered ("Byte order is not selectable."); | |
1710 | show_endian (args, from_tty); | |
1711 | } | |
1712 | } | |
1713 | ||
1714 | /* Called by \`\`set endian little''. */ | |
1715 | static void | |
1716 | set_endian_little (char *args, int from_tty) | |
1717 | { | |
1718 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1719 | { | |
1720 | target_byte_order = LITTLE_ENDIAN; | |
1721 | target_byte_order_auto = 0; | |
1722 | if (GDB_MULTI_ARCH) | |
1723 | { | |
1724 | struct gdbarch_info info; | |
1725 | memset (&info, 0, sizeof info); | |
1726 | info.byte_order = LITTLE_ENDIAN; | |
1727 | gdbarch_update (info); | |
1728 | } | |
1729 | } | |
1730 | else | |
1731 | { | |
1732 | printf_unfiltered ("Byte order is not selectable."); | |
1733 | show_endian (args, from_tty); | |
1734 | } | |
1735 | } | |
1736 | ||
1737 | /* Called by \`\`set endian auto''. */ | |
1738 | static void | |
1739 | set_endian_auto (char *args, int from_tty) | |
1740 | { | |
1741 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1742 | { | |
1743 | target_byte_order_auto = 1; | |
1744 | } | |
1745 | else | |
1746 | { | |
1747 | printf_unfiltered ("Byte order is not selectable."); | |
1748 | show_endian (args, from_tty); | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | /* Set the endianness from a BFD. */ | |
1753 | static void | |
1754 | set_endian_from_file (bfd *abfd) | |
1755 | { | |
1756 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1757 | { | |
1758 | int want; | |
1759 | ||
1760 | if (bfd_big_endian (abfd)) | |
1761 | want = BIG_ENDIAN; | |
1762 | else | |
1763 | want = LITTLE_ENDIAN; | |
1764 | if (TARGET_BYTE_ORDER_AUTO) | |
1765 | target_byte_order = want; | |
1766 | else if (TARGET_BYTE_ORDER != want) | |
1767 | warning ("%s endian file does not match %s endian target.", | |
1768 | want == BIG_ENDIAN ? "big" : "little", | |
1769 | TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"); | |
1770 | } | |
1771 | else | |
1772 | { | |
1773 | if (bfd_big_endian (abfd) | |
1774 | ? TARGET_BYTE_ORDER != BIG_ENDIAN | |
1775 | : TARGET_BYTE_ORDER == BIG_ENDIAN) | |
1776 | warning ("%s endian file does not match %s endian target.", | |
1777 | bfd_big_endian (abfd) ? "big" : "little", | |
1778 | TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"); | |
1779 | } | |
1780 | } | |
1781 | ||
1782 | ||
1783 | ||
1784 | /* Functions to manipulate the architecture of the target */ | |
1785 | ||
1786 | enum set_arch { set_arch_auto, set_arch_manual }; | |
1787 | ||
1788 | int target_architecture_auto = 1; | |
1789 | extern const struct bfd_arch_info bfd_default_arch_struct; | |
1790 | const struct bfd_arch_info *target_architecture = &bfd_default_arch_struct; | |
1791 | int (*target_architecture_hook) (const struct bfd_arch_info *ap); | |
1792 | ||
1793 | static void show_endian (char *, int); | |
1794 | static void set_endian (char *, int); | |
1795 | static void set_endian_big (char *, int); | |
1796 | static void set_endian_little (char *, int); | |
1797 | static void set_endian_auto (char *, int); | |
1798 | static void set_endian_from_file (bfd *); | |
1799 | static int arch_ok (const struct bfd_arch_info *arch); | |
1800 | static void set_arch (const struct bfd_arch_info *arch, enum set_arch type); | |
1801 | static void show_architecture (char *, int); | |
1802 | static void set_architecture (char *, int); | |
1803 | static void info_architecture (char *, int); | |
1804 | static void set_architecture_from_file (bfd *); | |
1805 | ||
1806 | /* Do the real work of changing the current architecture */ | |
1807 | ||
1808 | static int | |
1809 | arch_ok (const struct bfd_arch_info *arch) | |
1810 | { | |
1811 | /* Should be performing the more basic check that the binary is | |
1812 | compatible with GDB. */ | |
1813 | /* Check with the target that the architecture is valid. */ | |
1814 | return (target_architecture_hook == NULL | |
1815 | || target_architecture_hook (arch)); | |
1816 | } | |
1817 | ||
1818 | static void | |
1819 | set_arch (const struct bfd_arch_info *arch, | |
1820 | enum set_arch type) | |
1821 | { | |
1822 | switch (type) | |
1823 | { | |
1824 | case set_arch_auto: | |
1825 | if (!arch_ok (arch)) | |
1826 | warning ("Target may not support %s architecture", | |
1827 | arch->printable_name); | |
1828 | target_architecture = arch; | |
1829 | break; | |
1830 | case set_arch_manual: | |
1831 | if (!arch_ok (arch)) | |
1832 | { | |
1833 | printf_unfiltered ("Target does not support \`%s' architecture.\n", | |
1834 | arch->printable_name); | |
1835 | } | |
1836 | else | |
1837 | { | |
1838 | target_architecture_auto = 0; | |
1839 | target_architecture = arch; | |
1840 | } | |
1841 | break; | |
1842 | } | |
1843 | if (gdbarch_debug) | |
1844 | gdbarch_dump (); | |
1845 | } | |
1846 | ||
1847 | /* Called if the user enters \`\`show architecture'' without an argument. */ | |
1848 | static void | |
1849 | show_architecture (char *args, int from_tty) | |
1850 | { | |
1851 | const char *arch; | |
1852 | arch = TARGET_ARCHITECTURE->printable_name; | |
1853 | if (target_architecture_auto) | |
1854 | printf_filtered ("The target architecture is set automatically (currently %s)\n", arch); | |
1855 | else | |
1856 | printf_filtered ("The target architecture is assumed to be %s\n", arch); | |
1857 | } | |
1858 | ||
1859 | /* Called if the user enters \`\`set architecture'' with or without an | |
1860 | argument. */ | |
1861 | static void | |
1862 | set_architecture (char *args, int from_tty) | |
1863 | { | |
1864 | if (args == NULL) | |
1865 | { | |
1866 | printf_unfiltered ("\"set architecture\" must be followed by \"auto\" or an architecture name.\n"); | |
1867 | } | |
1868 | else if (strcmp (args, "auto") == 0) | |
1869 | { | |
1870 | target_architecture_auto = 1; | |
1871 | } | |
1872 | else if (GDB_MULTI_ARCH) | |
1873 | { | |
1874 | const struct bfd_arch_info *arch = bfd_scan_arch (args); | |
1875 | if (arch == NULL) | |
1876 | printf_unfiltered ("Architecture \`%s' not reconized.\n", args); | |
1877 | else | |
1878 | { | |
1879 | struct gdbarch_info info; | |
1880 | memset (&info, 0, sizeof info); | |
1881 | info.bfd_arch_info = arch; | |
1882 | if (gdbarch_update (info)) | |
1883 | target_architecture_auto = 0; | |
1884 | else | |
1885 | printf_unfiltered ("Architecture \`%s' not reconized.\n", args); | |
1886 | } | |
1887 | } | |
1888 | else | |
1889 | { | |
1890 | const struct bfd_arch_info *arch = bfd_scan_arch (args); | |
1891 | if (arch != NULL) | |
1892 | set_arch (arch, set_arch_manual); | |
1893 | else | |
1894 | printf_unfiltered ("Architecture \`%s' not reconized.\n", args); | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | /* Called if the user enters \`\`info architecture'' without an argument. */ | |
1899 | static void | |
1900 | info_architecture (char *args, int from_tty) | |
1901 | { | |
1902 | enum bfd_architecture a; | |
1903 | if (GDB_MULTI_ARCH) | |
1904 | { | |
1905 | if (gdbarch_init_registrary != NULL) | |
1906 | { | |
1907 | struct gdbarch_init_registration *rego; | |
1908 | printf_filtered ("Available architectures are:\n"); | |
1909 | for (rego = gdbarch_init_registrary; | |
1910 | rego != NULL; | |
1911 | rego = rego->next) | |
1912 | { | |
1913 | const struct bfd_arch_info *ap; | |
1914 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
1915 | if (ap != NULL) | |
1916 | { | |
1917 | do | |
1918 | { | |
1919 | printf_filtered (" %s", ap->printable_name); | |
1920 | ap = ap->next; | |
1921 | } | |
1922 | while (ap != NULL); | |
1923 | printf_filtered ("\n"); | |
1924 | } | |
1925 | } | |
1926 | } | |
1927 | else | |
1928 | { | |
1929 | printf_filtered ("There are no available architectures.\n"); | |
1930 | } | |
1931 | return; | |
1932 | } | |
1933 | printf_filtered ("Available architectures are:\n"); | |
1934 | for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++) | |
1935 | { | |
1936 | const struct bfd_arch_info *ap = bfd_lookup_arch (a, 0); | |
1937 | if (ap != NULL) | |
1938 | { | |
1939 | do | |
1940 | { | |
1941 | printf_filtered (" %s", ap->printable_name); | |
1942 | ap = ap->next; | |
1943 | } | |
1944 | while (ap != NULL); | |
1945 | printf_filtered ("\n"); | |
1946 | } | |
1947 | } | |
1948 | } | |
1949 | ||
1950 | /* Set the architecture from arch/machine */ | |
1951 | void | |
1952 | set_architecture_from_arch_mach (arch, mach) | |
1953 | enum bfd_architecture arch; | |
1954 | unsigned long mach; | |
1955 | { | |
1956 | const struct bfd_arch_info *wanted = bfd_lookup_arch (arch, mach); | |
1957 | if (wanted != NULL) | |
1958 | set_arch (wanted, set_arch_manual); | |
1959 | else | |
1960 | internal_error ("gdbarch: hardwired architecture/machine not reconized"); | |
1961 | } | |
1962 | ||
1963 | /* Set the architecture from a BFD */ | |
1964 | static void | |
1965 | set_architecture_from_file (bfd *abfd) | |
1966 | { | |
1967 | const struct bfd_arch_info *wanted = bfd_get_arch_info (abfd); | |
1968 | if (target_architecture_auto) | |
1969 | { | |
1970 | set_arch (wanted, set_arch_auto); | |
1971 | } | |
1972 | else if (wanted != target_architecture) | |
1973 | { | |
1974 | warning ("%s architecture file may be incompatible with %s target.", | |
1975 | wanted->printable_name, | |
1976 | target_architecture->printable_name); | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | ||
1981 | /* Misc helper functions for targets. */ | |
1982 | ||
1983 | int | |
1984 | frame_num_args_unknown (fi) | |
1985 | struct frame_info *fi; | |
1986 | { | |
1987 | return -1; | |
1988 | } | |
1989 | ||
1990 | ||
1991 | int | |
1992 | generic_register_convertible_not (num) | |
1993 | int num; | |
1994 | { | |
1995 | return 0; | |
1996 | } | |
1997 | ||
4478b372 | 1998 | |
104c1213 JM |
1999 | /* Disassembler */ |
2000 | ||
2001 | /* Pointer to the target-dependent disassembly function. */ | |
2002 | int (*tm_print_insn) (bfd_vma, disassemble_info *); | |
2003 | disassemble_info tm_print_insn_info; | |
2004 | ||
2005 | ||
2006 | ||
2007 | /* Set the dynamic target-system-dependant parameters (architecture, | |
2008 | byte-order) using information found in the BFD */ | |
2009 | ||
2010 | void | |
2011 | set_gdbarch_from_file (abfd) | |
2012 | bfd *abfd; | |
2013 | { | |
2014 | if (GDB_MULTI_ARCH) | |
2015 | { | |
2016 | struct gdbarch_info info; | |
2017 | memset (&info, 0, sizeof info); | |
2018 | info.abfd = abfd; | |
2019 | gdbarch_update (info); | |
2020 | return; | |
2021 | } | |
2022 | set_architecture_from_file (abfd); | |
2023 | set_endian_from_file (abfd); | |
2024 | } | |
2025 | ||
2026 | ||
e514a9d6 JM |
2027 | /* Initialize the current architecture. */ |
2028 | void | |
2029 | initialize_current_architecture () | |
2030 | { | |
2031 | if (GDB_MULTI_ARCH) | |
2032 | { | |
2033 | struct gdbarch_init_registration *rego; | |
2034 | const struct bfd_arch_info *chosen = NULL; | |
2035 | for (rego = gdbarch_init_registrary; rego != NULL; rego = rego->next) | |
2036 | { | |
2037 | const struct bfd_arch_info *ap | |
2038 | = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2039 | ||
2040 | /* Choose the first architecture alphabetically. */ | |
2041 | if (chosen == NULL | |
2042 | || strcmp (ap->printable_name, chosen->printable_name) < 0) | |
2043 | chosen = ap; | |
2044 | } | |
2045 | ||
2046 | if (chosen != NULL) | |
2047 | { | |
2048 | struct gdbarch_info info; | |
2049 | memset (&info, 0, sizeof info); | |
2050 | info.bfd_arch_info = chosen; | |
2051 | gdbarch_update (info); | |
2052 | } | |
2053 | } | |
2054 | } | |
2055 | ||
104c1213 JM |
2056 | extern void _initialize_gdbarch (void); |
2057 | void | |
2058 | _initialize_gdbarch () | |
2059 | { | |
59233f88 AC |
2060 | struct cmd_list_element *c; |
2061 | ||
104c1213 JM |
2062 | add_prefix_cmd ("endian", class_support, set_endian, |
2063 | "Set endianness of target.", | |
2064 | &endianlist, "set endian ", 0, &setlist); | |
2065 | add_cmd ("big", class_support, set_endian_big, | |
2066 | "Set target as being big endian.", &endianlist); | |
2067 | add_cmd ("little", class_support, set_endian_little, | |
2068 | "Set target as being little endian.", &endianlist); | |
2069 | add_cmd ("auto", class_support, set_endian_auto, | |
2070 | "Select target endianness automatically.", &endianlist); | |
2071 | add_cmd ("endian", class_support, show_endian, | |
2072 | "Show endianness of target.", &showlist); | |
2073 | ||
2074 | add_cmd ("architecture", class_support, set_architecture, | |
2075 | "Set architecture of target.", &setlist); | |
2076 | add_alias_cmd ("processor", "architecture", class_support, 1, &setlist); | |
2077 | add_cmd ("architecture", class_support, show_architecture, | |
2078 | "Show architecture of target.", &showlist); | |
2079 | add_cmd ("architecture", class_support, info_architecture, | |
2080 | "List supported target architectures", &infolist); | |
2081 | ||
2082 | INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered); | |
2083 | tm_print_insn_info.flavour = bfd_target_unknown_flavour; | |
2084 | tm_print_insn_info.read_memory_func = dis_asm_read_memory; | |
2085 | tm_print_insn_info.memory_error_func = dis_asm_memory_error; | |
2086 | tm_print_insn_info.print_address_func = dis_asm_print_address; | |
2087 | ||
59233f88 | 2088 | add_show_from_set (add_set_cmd ("arch", |
104c1213 JM |
2089 | class_maintenance, |
2090 | var_zinteger, | |
2091 | (char *)&gdbarch_debug, | |
2092 | "Set architecture debugging.\n\\ | |
59233f88 AC |
2093 | When non-zero, architecture debugging is enabled.", &setdebuglist), |
2094 | &showdebuglist); | |
2095 | c = add_set_cmd ("archdebug", | |
2096 | class_maintenance, | |
2097 | var_zinteger, | |
2098 | (char *)&gdbarch_debug, | |
2099 | "Set architecture debugging.\n\\ | |
2100 | When non-zero, architecture debugging is enabled.", &setlist); | |
2101 | ||
2102 | deprecate_cmd (c, "set debug arch"); | |
2103 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch"); | |
104c1213 JM |
2104 | } |
2105 | EOF | |
2106 | ||
2107 | # close things off | |
2108 | exec 1>&2 | |
2109 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2110 | compare_new gdbarch.c |