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