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} ${file}" 1>&2 | |
33 | fi | |
34 | } | |
35 | ||
36 | ||
c0e8c252 AC |
37 | # DEFAULT is a valid fallback definition of a MACRO when |
38 | # multi-arch is not enabled. | |
39 | default_is_fallback_p () | |
40 | { | |
0b8f9e4d | 41 | [ "${predefault}" != "" -a "${invalid_p}" = "0" ] |
c0e8c252 AC |
42 | } |
43 | ||
59233f88 | 44 | # Format of the input table |
0b8f9e4d | 45 | read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description" |
c0e8c252 | 46 | |
2ada493a AC |
47 | class_is_variable_p () |
48 | { | |
49 | [ "${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 $read | |
71 | then | |
0b8f9e4d | 72 | test "${staticdefault}" || staticdefault=0 |
c0e8c252 AC |
73 | test "${fmt}" || fmt="%ld" |
74 | test "${print}" || print="(long) ${macro}" | |
2ada493a | 75 | #FIXME: |
0b8f9e4d | 76 | #Should set PREDEFAULT to zero and force the user to provide |
2ada493a | 77 | #an invalid_p=0 |
0b8f9e4d | 78 | #test "${predefault}" || predefault=0 - NO |
2ada493a AC |
79 | case "${invalid_p}" in |
80 | 0 ) valid_p=1 ;; | |
0b8f9e4d AC |
81 | "" ) |
82 | if [ "${predefault}" ] | |
83 | then | |
84 | valid_p="gdbarch->${function} != ${predefault}" | |
85 | else | |
86 | valid_p="gdbarch->${function} != 0" | |
87 | fi | |
2ada493a | 88 | #NOT_YET |
0b8f9e4d | 89 | #test "${predefault}" && invalid_p="gdbarch->${function} == ${predefault}" |
2ada493a AC |
90 | ;; |
91 | * ) valid_p="!(${invalid_p})" | |
92 | esac | |
93 | #NOT YET: | |
c0e8c252 AC |
94 | : |
95 | else | |
96 | false | |
97 | fi | |
98 | } | |
99 | ||
104c1213 | 100 | |
cff3e48b JM |
101 | # dump out/verify the doco |
102 | for field in ${read} | |
103 | do | |
104 | case ${field} in | |
105 | ||
106 | class ) : ;; | |
c4093a6a | 107 | |
c0e8c252 AC |
108 | # # -> line disable |
109 | # f -> function | |
110 | # hiding a function | |
2ada493a AC |
111 | # F -> function + predicate |
112 | # hiding a function + predicate to test function validity | |
c0e8c252 AC |
113 | # v -> variable |
114 | # hiding a variable | |
2ada493a AC |
115 | # V -> variable + predicate |
116 | # hiding a variable + predicate to test variables validity | |
c0e8c252 AC |
117 | # i -> set from info |
118 | # hiding something from the ``struct info'' object | |
cff3e48b JM |
119 | |
120 | level ) : ;; | |
121 | ||
c0e8c252 AC |
122 | # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >= |
123 | # LEVEL is a predicate on checking that a given method is | |
124 | # initialized (using INVALID_P). | |
cff3e48b JM |
125 | |
126 | macro ) : ;; | |
127 | ||
c0e8c252 | 128 | # The name of the MACRO that this method is to be accessed by. |
cff3e48b JM |
129 | |
130 | returntype ) : ;; | |
131 | ||
c0e8c252 | 132 | # For functions, the return type; for variables, the data type |
cff3e48b JM |
133 | |
134 | function ) : ;; | |
135 | ||
c0e8c252 AC |
136 | # For functions, the member function name; for variables, the |
137 | # variable name. Member function names are always prefixed with | |
138 | # ``gdbarch_'' for name-space purity. | |
cff3e48b JM |
139 | |
140 | formal ) : ;; | |
141 | ||
c0e8c252 AC |
142 | # The formal argument list. It is assumed that the formal |
143 | # argument list includes the actual name of each list element. | |
144 | # A function with no arguments shall have ``void'' as the | |
145 | # formal argument list. | |
cff3e48b JM |
146 | |
147 | actual ) : ;; | |
148 | ||
c0e8c252 AC |
149 | # The list of actual arguments. The arguments specified shall |
150 | # match the FORMAL list given above. Functions with out | |
151 | # arguments leave this blank. | |
cff3e48b JM |
152 | |
153 | attrib ) : ;; | |
154 | ||
c0e8c252 AC |
155 | # Any GCC attributes that should be attached to the function |
156 | # declaration. At present this field is unused. | |
cff3e48b | 157 | |
0b8f9e4d | 158 | staticdefault ) : ;; |
c0e8c252 AC |
159 | |
160 | # To help with the GDB startup a static gdbarch object is | |
0b8f9e4d AC |
161 | # created. STATICDEFAULT is the value to insert into that |
162 | # static gdbarch object. Since this a static object only | |
163 | # simple expressions can be used. | |
cff3e48b | 164 | |
0b8f9e4d | 165 | # If STATICDEFAULT is empty, zero is used. |
c0e8c252 | 166 | |
0b8f9e4d | 167 | predefault ) : ;; |
cff3e48b | 168 | |
0b8f9e4d AC |
169 | # A initial value to assign to MEMBER of the freshly |
170 | # malloc()ed gdbarch object. After the gdbarch object has | |
171 | # been initialized using PREDEFAULT, it is passed to the | |
172 | # target code for further updates. | |
cff3e48b | 173 | |
0b8f9e4d AC |
174 | # If PREDEFAULT is empty, zero is used. |
175 | ||
176 | # Specify a non-empty PREDEFAULT and a zero INVALID_P to | |
177 | # create a fallback value or function for when multi-arch is | |
178 | # disabled. Specify a zero PREDEFAULT function to make that | |
179 | # fallback call internal_error(). | |
180 | ||
181 | postdefault ) : ;; | |
182 | ||
183 | # A value to assign to MEMBER of the new gdbarch object should | |
184 | # the target code fail to change the PREDEFAULT value. | |
185 | ||
186 | # If POSTDEFAULT is empty, no post update is performed. | |
187 | ||
188 | # If both INVALID_P and POSTDEFAULT are non-empty then | |
189 | # INVALID_P will be used to determine if MEMBER should be | |
190 | # changed to POSTDEFAULT. | |
191 | ||
192 | # FIXME: NOT YET. Can this be simplified? Specify a | |
193 | # non-empty POSTDEFAULT and a zero INVALID_P to create a | |
c0e8c252 | 194 | # fallback value or function for when multi-arch is disabled. |
0b8f9e4d AC |
195 | # Specify a zero POSTDEFAULT function to make that fallback |
196 | # call internal_error(). This overrides PREDEFAULT. | |
cff3e48b | 197 | |
c4093a6a | 198 | invalid_p ) : ;; |
cff3e48b | 199 | |
0b8f9e4d | 200 | # A predicate equation that validates MEMBER. Non-zero is |
c0e8c252 | 201 | # returned if the code creating the new architecture failed to |
0b8f9e4d AC |
202 | # initialize MEMBER or the initialized the member is invalid. |
203 | # If POSTDEFAULT is non-empty then MEMBER will be updated to | |
204 | # that value. If POSTDEFAULT is empty then internal_error() | |
205 | # is called. | |
206 | ||
207 | # If INVALID_P is empty, a check that MEMBER is no longer | |
208 | # equal to PREDEFAULT is used. | |
209 | ||
210 | # The expression ``0'' disables the INVALID_P check. | |
211 | ||
212 | # See also PREDEFAULT and POSTDEFAULT. | |
cff3e48b JM |
213 | |
214 | fmt ) : ;; | |
215 | ||
c0e8c252 AC |
216 | # printf style format string that can be used to print out the |
217 | # MEMBER. Sometimes "%s" is useful. For functions, this is | |
218 | # ignored and the function address is printed. | |
219 | ||
0b8f9e4d | 220 | # If FMT is empty, ``%ld'' is used. |
cff3e48b JM |
221 | |
222 | print ) : ;; | |
223 | ||
c0e8c252 AC |
224 | # An optional equation that casts MEMBER to a value suitable |
225 | # for formatting by FMT. | |
226 | ||
0b8f9e4d | 227 | # If PRINT is empty, ``(long)'' is used. |
cff3e48b JM |
228 | |
229 | print_p ) : ;; | |
230 | ||
c0e8c252 AC |
231 | # An optional indicator for any predicte to wrap around the |
232 | # print member code. | |
233 | ||
c0e8c252 AC |
234 | # exp -> Wrap print up in ``if (${print_p}) ... |
235 | # ``'' -> No predicate | |
cff3e48b | 236 | |
0b8f9e4d AC |
237 | # If PRINT_P is empty, ``1'' is always used. |
238 | ||
cff3e48b JM |
239 | description ) : ;; |
240 | ||
0b8f9e4d | 241 | # Currently unused. |
cff3e48b JM |
242 | |
243 | *) exit 1;; | |
244 | esac | |
245 | done | |
246 | ||
247 | IFS=: | |
248 | ||
104c1213 JM |
249 | function_list () |
250 | { | |
cff3e48b | 251 | # See below (DOCO) for description of each field |
104c1213 | 252 | cat <<EOF | |
0b8f9e4d | 253 | i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL |
104c1213 JM |
254 | # |
255 | i:2:TARGET_BYTE_ORDER:int:byte_order::::BIG_ENDIAN | |
256 | # | |
0b8f9e4d | 257 | v:1:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0 |
104c1213 JM |
258 | v:1:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):0 |
259 | #v:1:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):0 | |
260 | v:1:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):0 | |
261 | v:1:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):0 | |
262 | v:1:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):0 | |
263 | v:1:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):0 | |
264 | v:1:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):0 | |
265 | v:1:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):0 | |
266 | v:1:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):0 | |
0b8f9e4d | 267 | v:1:IEEE_FLOAT:int:ieee_float::::0:0::0::: |
104c1213 JM |
268 | # |
269 | f:1:TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:0 | |
270 | f:1:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:0 | |
271 | f:1:TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:0 | |
272 | f:1:TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:0 | |
273 | f:1:TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:0 | |
274 | f:1:TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:0 | |
275 | # | |
276 | v:2:NUM_REGS:int:num_regs::::0:-1 | |
277 | v:2:SP_REGNUM:int:sp_regnum::::0:-1 | |
278 | v:2:FP_REGNUM:int:fp_regnum::::0:-1 | |
279 | v:2:PC_REGNUM:int:pc_regnum::::0:-1 | |
0b8f9e4d AC |
280 | v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0 |
281 | v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0 | |
282 | v:2:NNPC_REGNUM:int:nnpc_regnum::::0:-1::0 | |
283 | f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name::0 | |
104c1213 JM |
284 | v:2:REGISTER_SIZE:int:register_size::::0:-1 |
285 | v:2:REGISTER_BYTES:int:register_bytes::::0:-1 | |
286 | f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::0:0 | |
287 | f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::0:0 | |
288 | v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1 | |
289 | f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::0:0 | |
290 | v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1 | |
291 | f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0 | |
292 | # | |
293 | v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1 | |
294 | v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0 | |
0b8f9e4d AC |
295 | 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 |
296 | v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx | |
297 | v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-1:::0x%08lx | |
104c1213 | 298 | v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1 |
0b8f9e4d | 299 | v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END |
104c1213 JM |
300 | 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 |
301 | v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1 | |
0b8f9e4d AC |
302 | v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx |
303 | v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx | |
304 | v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1:::0x%08lx | |
305 | 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 | |
306 | 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 | |
104c1213 | 307 | # |
381323f4 AC |
308 | v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion::::0::::: |
309 | v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type::::0::::: | |
0b8f9e4d | 310 | 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 |
311 | 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 |
312 | # | |
0b8f9e4d AC |
313 | f:1:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0 |
314 | 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 | |
315 | 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 | 316 | # |
0b8f9e4d AC |
317 | f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, char *buf:type, buf:::generic_pointer_to_address::0 |
318 | 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 | |
4478b372 | 319 | # |
0b8f9e4d | 320 | f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0 |
104c1213 JM |
321 | f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0 |
322 | 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 |
323 | f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0 |
324 | f:1:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0 | |
325 | f:2:POP_FRAME:void:pop_frame:void:-:::0 | |
104c1213 JM |
326 | # |
327 | # I wish that these would just go away.... | |
0b8f9e4d AC |
328 | f:2:D10V_MAKE_DADDR:CORE_ADDR:d10v_make_daddr:CORE_ADDR x:x:::0::0 |
329 | f:2:D10V_MAKE_IADDR:CORE_ADDR:d10v_make_iaddr:CORE_ADDR x:x:::0::0 | |
330 | f:2:D10V_DADDR_P:int:d10v_daddr_p:CORE_ADDR x:x:::0::0 | |
331 | f:2:D10V_IADDR_P:int:d10v_iaddr_p:CORE_ADDR x:x:::0::0 | |
332 | f:2:D10V_CONVERT_DADDR_TO_RAW:CORE_ADDR:d10v_convert_daddr_to_raw:CORE_ADDR x:x:::0::0 | |
333 | f:2:D10V_CONVERT_IADDR_TO_RAW:CORE_ADDR:d10v_convert_iaddr_to_raw:CORE_ADDR x:x:::0::0 | |
104c1213 | 334 | # |
c0e8c252 AC |
335 | f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0 |
336 | f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, char *valbuf:type, valbuf:::0 | |
337 | f:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:char *regbuf:regbuf:::0 | |
338 | f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::0 | |
104c1213 JM |
339 | # |
340 | f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0 | |
c0e8c252 | 341 | f:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0 |
104c1213 JM |
342 | # |
343 | f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0 | |
0b8f9e4d | 344 | f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0 |
104c1213 | 345 | f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0 |
0b8f9e4d AC |
346 | f:2:BREAKPOINT_FROM_PC:unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0 |
347 | f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0 | |
348 | 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 |
349 | v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1 |
350 | v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1 | |
351 | # | |
0b8f9e4d | 352 | 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 |
353 | # |
354 | v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1 | |
0b8f9e4d | 355 | f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0 |
104c1213 JM |
356 | f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0 |
357 | f:1:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0 | |
358 | f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0 | |
359 | f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0 | |
360 | f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:0 | |
361 | f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0 | |
362 | f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0 | |
363 | # | |
2ada493a | 364 | F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0 |
d03e67c9 | 365 | F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0 |
d1e3cf49 | 366 | F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0 |
104c1213 JM |
367 | EOF |
368 | grep -v '^#' | |
369 | } | |
370 | ||
0b8f9e4d AC |
371 | # |
372 | # The .log file | |
373 | # | |
374 | exec > new-gdbarch.log | |
375 | function_list | while do_read # eval read $read | |
376 | do | |
377 | cat <<EOF | |
104c1213 JM |
378 | ${class} ${macro}(${actual}) |
379 | ${returntype} ${function} ($formal)${attrib} | |
380 | level=${level} | |
0b8f9e4d AC |
381 | staticdefault=${staticdefault} |
382 | predefault=${predefault} | |
383 | postdefault=${predefault} | |
c4093a6a | 384 | invalid_p=${invalid_p} |
2ada493a | 385 | valid_p=${valid_p} |
104c1213 JM |
386 | fmt=${fmt} |
387 | print=${print} | |
388 | print_p=${print_p} | |
389 | description=${description} | |
390 | EOF | |
0b8f9e4d AC |
391 | if class_is_predicate_p && default_is_fallback_p |
392 | then | |
393 | echo "Error: predicate function can not have a non- multi-arch default" 1>&2 | |
394 | kill $$ | |
395 | exit 1 | |
396 | fi | |
397 | done | |
398 | ||
399 | exec 1>&2 | |
400 | compare_new gdbarch.log | |
401 | ||
104c1213 JM |
402 | |
403 | copyright () | |
404 | { | |
405 | cat <<EOF | |
59233f88 AC |
406 | /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */ |
407 | ||
104c1213 JM |
408 | /* Dynamic architecture support for GDB, the GNU debugger. |
409 | Copyright 1998-1999, Free Software Foundation, Inc. | |
410 | ||
411 | This file is part of GDB. | |
412 | ||
413 | This program is free software; you can redistribute it and/or modify | |
414 | it under the terms of the GNU General Public License as published by | |
415 | the Free Software Foundation; either version 2 of the License, or | |
416 | (at your option) any later version. | |
417 | ||
418 | This program is distributed in the hope that it will be useful, | |
419 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
420 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
421 | GNU General Public License for more details. | |
422 | ||
423 | You should have received a copy of the GNU General Public License | |
424 | along with this program; if not, write to the Free Software | |
425 | Foundation, Inc., 59 Temple Place - Suite 330, | |
426 | Boston, MA 02111-1307, USA. */ | |
427 | ||
104c1213 JM |
428 | /* This file was created with the aid of \`\`gdbarch.sh''. |
429 | ||
430 | The bourn shell script \`\`gdbarch.sh'' creates the files | |
431 | \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them | |
432 | against the existing \`\`gdbarch.[hc]''. Any differences found | |
433 | being reported. | |
434 | ||
435 | If editing this file, please also run gdbarch.sh and merge any | |
436 | changes into that script. Conversely, when makeing sweeping changes | |
437 | to this file, modifying gdbarch.sh and using its output may prove | |
438 | easier. */ | |
439 | ||
440 | EOF | |
441 | } | |
442 | ||
443 | # | |
444 | # The .h file | |
445 | # | |
446 | ||
447 | exec > new-gdbarch.h | |
448 | copyright | |
449 | cat <<EOF | |
450 | #ifndef GDBARCH_H | |
451 | #define GDBARCH_H | |
452 | ||
453 | struct frame_info; | |
454 | struct value; | |
455 | ||
456 | ||
457 | #ifndef GDB_MULTI_ARCH | |
458 | #define GDB_MULTI_ARCH 0 | |
459 | #endif | |
460 | ||
461 | extern struct gdbarch *current_gdbarch; | |
462 | ||
463 | ||
464 | /* See gdb/doc/gdbint.texi for a discussion of the GDB_MULTI_ARCH | |
465 | macro */ | |
466 | ||
467 | ||
468 | /* If any of the following are defined, the target wasn't correctly | |
469 | converted. */ | |
470 | ||
104c1213 JM |
471 | #if GDB_MULTI_ARCH |
472 | #if defined (EXTRA_FRAME_INFO) | |
473 | #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info" | |
474 | #endif | |
475 | #endif | |
476 | ||
477 | #if GDB_MULTI_ARCH | |
478 | #if defined (FRAME_FIND_SAVED_REGS) | |
479 | #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS" | |
480 | #endif | |
481 | #endif | |
482 | EOF | |
483 | ||
484 | # function typedef's | |
485 | echo "" | |
486 | echo "" | |
487 | echo "/* The following are pre-initialized by GDBARCH. */" | |
c0e8c252 | 488 | function_list | while do_read # eval read $read |
104c1213 | 489 | do |
2ada493a AC |
490 | if class_is_info_p |
491 | then | |
104c1213 JM |
492 | echo "" |
493 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" | |
494 | echo "/* set_gdbarch_${function}() - not applicable - pre-initialized. */" | |
495 | echo "#if GDB_MULTI_ARCH" | |
496 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" | |
497 | echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" | |
498 | echo "#endif" | |
499 | echo "#endif" | |
2ada493a | 500 | fi |
104c1213 JM |
501 | done |
502 | ||
503 | # function typedef's | |
504 | echo "" | |
505 | echo "" | |
506 | echo "/* The following are initialized by the target dependant code. */" | |
c0e8c252 | 507 | function_list | while do_read # eval read $read |
104c1213 | 508 | do |
2ada493a AC |
509 | if class_is_predicate_p |
510 | then | |
511 | echo "" | |
512 | echo "#if defined (${macro})" | |
513 | echo "/* Legacy for systems yet to multi-arch ${macro} */" | |
33489c5b | 514 | # echo "#if (GDB_MULTI_ARCH <= 2) && defined (${macro})" |
2ada493a AC |
515 | echo "#define ${macro}_P() (1)" |
516 | echo "#endif" | |
517 | echo "" | |
33489c5b AC |
518 | echo "/* Default predicate for non- multi-arch targets. */" |
519 | echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro}_P)" | |
520 | echo "#define ${macro}_P() (0)" | |
521 | echo "#endif" | |
522 | echo "" | |
2ada493a AC |
523 | echo "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);" |
524 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro}_P)" | |
525 | echo "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))" | |
526 | echo "#endif" | |
527 | fi | |
528 | if class_is_variable_p | |
529 | then | |
33489c5b AC |
530 | if default_is_fallback_p || class_is_predicate_p |
531 | then | |
532 | echo "" | |
533 | echo "/* Default (value) for non- multi-arch platforms. */" | |
534 | echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro})" | |
0b8f9e4d | 535 | echo "#define ${macro} (${predefault})" |
33489c5b AC |
536 | echo "#endif" |
537 | fi | |
104c1213 JM |
538 | echo "" |
539 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" | |
540 | echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});" | |
33489c5b | 541 | echo "#if GDB_MULTI_ARCH" |
104c1213 JM |
542 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" |
543 | echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" | |
544 | echo "#endif" | |
33489c5b | 545 | echo "#endif" |
2ada493a AC |
546 | fi |
547 | if class_is_function_p | |
548 | then | |
33489c5b AC |
549 | if default_is_fallback_p || class_is_predicate_p |
550 | then | |
551 | echo "" | |
552 | echo "/* Default (function) for non- multi-arch platforms. */" | |
553 | echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro})" | |
0b8f9e4d | 554 | if [ "${predefault}" = "0" ] |
33489c5b AC |
555 | then |
556 | echo "#define ${macro}(${actual}) (internal_error (\"${macro}\"), 0)" | |
557 | else | |
0b8f9e4d | 558 | echo "#define ${macro}(${actual}) (${predefault} (${actual}))" |
33489c5b AC |
559 | fi |
560 | echo "#endif" | |
561 | fi | |
104c1213 JM |
562 | echo "" |
563 | echo "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});" | |
564 | if [ "${formal}" = "void" ] | |
565 | then | |
566 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" | |
567 | else | |
568 | echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});" | |
569 | fi | |
570 | echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});" | |
33489c5b | 571 | echo "#if GDB_MULTI_ARCH" |
104c1213 JM |
572 | echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" |
573 | if [ "${actual}" = "" ] | |
574 | then | |
575 | echo "#define ${macro}() (gdbarch_${function} (current_gdbarch))" | |
576 | elif [ "${actual}" = "-" ] | |
577 | then | |
578 | echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" | |
579 | else | |
580 | echo "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))" | |
581 | fi | |
582 | echo "#endif" | |
33489c5b | 583 | echo "#endif" |
2ada493a | 584 | fi |
104c1213 JM |
585 | done |
586 | ||
587 | # close it off | |
588 | cat <<EOF | |
589 | ||
590 | extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); | |
591 | ||
592 | ||
593 | /* Mechanism for co-ordinating the selection of a specific | |
594 | architecture. | |
595 | ||
596 | GDB targets (*-tdep.c) can register an interest in a specific | |
597 | architecture. Other GDB components can register a need to maintain | |
598 | per-architecture data. | |
599 | ||
600 | The mechanisms below ensures that there is only a loose connection | |
601 | between the set-architecture command and the various GDB | |
602 | components. Each component can independantly register their need | |
603 | to maintain architecture specific data with gdbarch. | |
604 | ||
605 | Pragmatics: | |
606 | ||
607 | Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It | |
608 | didn't scale. | |
609 | ||
610 | The more traditional mega-struct containing architecture specific | |
611 | data for all the various GDB components was also considered. Since | |
612 | GDB is built from a variable number of (fairly independant) | |
613 | components it was determined that the global aproach was not | |
614 | applicable. */ | |
615 | ||
616 | ||
617 | /* Register a new architectural family with GDB. | |
618 | ||
619 | Register support for the specified ARCHITECTURE with GDB. When | |
620 | gdbarch determines that the specified architecture has been | |
621 | selected, the corresponding INIT function is called. | |
622 | ||
623 | -- | |
624 | ||
625 | The INIT function takes two parameters: INFO which contains the | |
626 | information available to gdbarch about the (possibly new) | |
627 | architecture; ARCHES which is a list of the previously created | |
628 | \`\`struct gdbarch'' for this architecture. | |
629 | ||
630 | The INIT function parameter INFO shall, as far as possible, be | |
631 | pre-initialized with information obtained from INFO.ABFD or | |
632 | previously selected architecture (if similar). INIT shall ensure | |
633 | that the INFO.BYTE_ORDER is non-zero. | |
634 | ||
635 | The INIT function shall return any of: NULL - indicating that it | |
636 | doesn't reconize the selected architecture; an existing \`\`struct | |
637 | gdbarch'' from the ARCHES list - indicating that the new | |
638 | architecture is just a synonym for an earlier architecture (see | |
639 | gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' | |
640 | - that describes the selected architecture (see | |
641 | gdbarch_alloc()). */ | |
642 | ||
643 | struct gdbarch_list | |
644 | { | |
645 | struct gdbarch *gdbarch; | |
646 | struct gdbarch_list *next; | |
647 | }; | |
648 | ||
649 | struct gdbarch_info | |
650 | { | |
651 | /* Use default: bfd_arch_unknown (ZERO). */ | |
652 | enum bfd_architecture bfd_architecture; | |
653 | ||
654 | /* Use default: NULL (ZERO). */ | |
655 | const struct bfd_arch_info *bfd_arch_info; | |
656 | ||
657 | /* Use default: 0 (ZERO). */ | |
658 | int byte_order; | |
659 | ||
660 | /* Use default: NULL (ZERO). */ | |
661 | bfd *abfd; | |
662 | ||
663 | /* Use default: NULL (ZERO). */ | |
664 | struct gdbarch_tdep_info *tdep_info; | |
665 | }; | |
666 | ||
667 | typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); | |
668 | ||
669 | extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); | |
670 | ||
671 | ||
672 | /* Helper function. Search the list of ARCHES for a GDBARCH that | |
673 | matches the information provided by INFO. */ | |
674 | ||
675 | extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); | |
676 | ||
677 | ||
678 | /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform | |
679 | basic initialization using values obtained from the INFO andTDEP | |
680 | parameters. set_gdbarch_*() functions are called to complete the | |
681 | initialization of the object. */ | |
682 | ||
683 | extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); | |
684 | ||
685 | ||
058f20d5 JB |
686 | /* Helper function. Free a partially-constructed \`\`struct gdbarch''. */ |
687 | extern void gdbarch_free (struct gdbarch *); | |
688 | ||
689 | ||
104c1213 JM |
690 | /* Helper function. Force an update of the current architecture. Used |
691 | by legacy targets that have added their own target specific | |
692 | architecture manipulation commands. | |
693 | ||
694 | The INFO parameter shall be fully initialized (\`\`memset (&INFO, | |
695 | sizeof (info), 0)'' set relevant fields) before gdbarch_update() is | |
696 | called. gdbarch_update() shall initialize any \`\`default'' fields | |
697 | using information obtained from the previous architecture or | |
698 | INFO.ABFD (if specified) before calling the corresponding | |
699 | architectures INIT function. */ | |
700 | ||
701 | extern int gdbarch_update (struct gdbarch_info info); | |
702 | ||
703 | ||
704 | ||
705 | /* Register per-architecture data-pointer. | |
706 | ||
707 | Reserve space for a per-architecture data-pointer. An identifier | |
708 | for the reserved data-pointer is returned. That identifer should | |
709 | be saved in a local static. | |
710 | ||
711 | When a new architecture is selected, INIT() is called. When a | |
712 | previous architecture is re-selected, the per-architecture | |
713 | data-pointer for that previous architecture is restored (INIT() is | |
714 | not called). | |
715 | ||
716 | INIT() shall return the initial value for the per-architecture | |
717 | data-pointer for the current architecture. | |
718 | ||
719 | Multiple registrarants for any architecture are allowed (and | |
720 | strongly encouraged). */ | |
721 | ||
722 | typedef void *(gdbarch_data_ftype) (void); | |
723 | extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_ftype *init); | |
724 | ||
725 | /* Return the value of the per-architecture data-pointer for the | |
726 | current architecture. */ | |
727 | ||
728 | extern void *gdbarch_data (struct gdbarch_data*); | |
729 | ||
730 | ||
731 | ||
732 | /* Register per-architecture memory region. | |
733 | ||
734 | Provide a memory-region swap mechanism. Per-architecture memory | |
735 | region are created. These memory regions are swapped whenever the | |
736 | architecture is changed. For a new architecture, the memory region | |
737 | is initialized with zero (0) and the INIT function is called. | |
738 | ||
739 | Memory regions are swapped / initialized in the order that they are | |
740 | registered. NULL DATA and/or INIT values can be specified. | |
741 | ||
742 | New code should use register_gdbarch_data(). */ | |
743 | ||
744 | typedef void (gdbarch_swap_ftype) (void); | |
745 | extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init); | |
e514a9d6 | 746 | #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL) |
104c1213 JM |
747 | |
748 | ||
749 | ||
750 | /* The target-system-dependant byte order is dynamic */ | |
751 | ||
752 | /* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness | |
753 | is selectable at runtime. The user can use the \`\`set endian'' | |
754 | command to change it. TARGET_BYTE_ORDER_AUTO is nonzero when | |
755 | target_byte_order should be auto-detected (from the program image | |
756 | say). */ | |
757 | ||
758 | #if GDB_MULTI_ARCH | |
759 | /* Multi-arch GDB is always bi-endian. */ | |
760 | #define TARGET_BYTE_ORDER_SELECTABLE_P 1 | |
761 | #endif | |
762 | ||
763 | #ifndef TARGET_BYTE_ORDER_SELECTABLE_P | |
764 | /* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE | |
765 | when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */ | |
766 | #ifdef TARGET_BYTE_ORDER_SELECTABLE | |
767 | #define TARGET_BYTE_ORDER_SELECTABLE_P 1 | |
768 | #else | |
769 | #define TARGET_BYTE_ORDER_SELECTABLE_P 0 | |
770 | #endif | |
771 | #endif | |
772 | ||
773 | extern int target_byte_order; | |
774 | #ifdef TARGET_BYTE_ORDER_SELECTABLE | |
775 | /* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE | |
776 | and expect defs.h to re-define TARGET_BYTE_ORDER. */ | |
777 | #undef TARGET_BYTE_ORDER | |
778 | #endif | |
779 | #ifndef TARGET_BYTE_ORDER | |
780 | #define TARGET_BYTE_ORDER (target_byte_order + 0) | |
781 | #endif | |
782 | ||
783 | extern int target_byte_order_auto; | |
784 | #ifndef TARGET_BYTE_ORDER_AUTO | |
785 | #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0) | |
786 | #endif | |
787 | ||
788 | ||
789 | ||
790 | /* The target-system-dependant BFD architecture is dynamic */ | |
791 | ||
792 | extern int target_architecture_auto; | |
793 | #ifndef TARGET_ARCHITECTURE_AUTO | |
794 | #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0) | |
795 | #endif | |
796 | ||
797 | extern const struct bfd_arch_info *target_architecture; | |
798 | #ifndef TARGET_ARCHITECTURE | |
799 | #define TARGET_ARCHITECTURE (target_architecture + 0) | |
800 | #endif | |
801 | ||
802 | /* Notify the target dependant backend of a change to the selected | |
803 | architecture. A zero return status indicates that the target did | |
804 | not like the change. */ | |
805 | ||
806 | extern int (*target_architecture_hook) (const struct bfd_arch_info *); | |
807 | ||
808 | ||
809 | ||
810 | /* The target-system-dependant disassembler is semi-dynamic */ | |
811 | ||
812 | #include "dis-asm.h" /* Get defs for disassemble_info */ | |
813 | ||
814 | extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr, | |
ff844c8d | 815 | unsigned int len, disassemble_info *info); |
104c1213 JM |
816 | |
817 | extern void dis_asm_memory_error (int status, bfd_vma memaddr, | |
818 | disassemble_info *info); | |
819 | ||
820 | extern void dis_asm_print_address (bfd_vma addr, | |
821 | disassemble_info *info); | |
822 | ||
823 | extern int (*tm_print_insn) (bfd_vma, disassemble_info*); | |
824 | extern disassemble_info tm_print_insn_info; | |
825 | #ifndef TARGET_PRINT_INSN | |
826 | #define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info) | |
827 | #endif | |
828 | #ifndef TARGET_PRINT_INSN_INFO | |
829 | #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info) | |
830 | #endif | |
831 | ||
832 | ||
833 | ||
834 | /* Explicit test for D10V architecture. | |
835 | USE of these macro's is *STRONGLY* discouraged. */ | |
836 | ||
837 | #define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v) | |
104c1213 JM |
838 | |
839 | ||
840 | /* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */ | |
841 | #ifndef EXTRACT_STRUCT_VALUE_ADDRESS | |
842 | #define EXTRACT_STRUCT_VALUE_ADDRESS_P (0) | |
843 | #define EXTRACT_STRUCT_VALUE_ADDRESS(X) (internal_error ("gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0) | |
844 | #else | |
845 | #ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P | |
846 | #define EXTRACT_STRUCT_VALUE_ADDRESS_P (1) | |
847 | #endif | |
848 | #endif | |
849 | ||
850 | ||
104c1213 JM |
851 | /* Set the dynamic target-system-dependant parameters (architecture, |
852 | byte-order, ...) using information found in the BFD */ | |
853 | ||
854 | extern void set_gdbarch_from_file (bfd *); | |
855 | ||
856 | ||
857 | /* Explicitly set the dynamic target-system-dependant parameters based | |
858 | on bfd_architecture and machine. */ | |
859 | ||
860 | extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); | |
861 | ||
862 | ||
e514a9d6 JM |
863 | /* Initialize the current architecture to the "first" one we find on |
864 | our list. */ | |
865 | ||
866 | extern void initialize_current_architecture (void); | |
867 | ||
104c1213 JM |
868 | /* Helper function for targets that don't know how my arguments are |
869 | being passed */ | |
870 | ||
871 | extern int frame_num_args_unknown (struct frame_info *fi); | |
872 | ||
873 | ||
874 | /* gdbarch trace variable */ | |
875 | extern int gdbarch_debug; | |
876 | ||
877 | extern void gdbarch_dump (void); | |
878 | ||
879 | #endif | |
880 | EOF | |
881 | exec 1>&2 | |
882 | #../move-if-change new-gdbarch.h gdbarch.h | |
59233f88 | 883 | compare_new gdbarch.h |
104c1213 JM |
884 | |
885 | ||
886 | # | |
887 | # C file | |
888 | # | |
889 | ||
890 | exec > new-gdbarch.c | |
891 | copyright | |
892 | cat <<EOF | |
893 | ||
894 | #include "defs.h" | |
7355ddba | 895 | #include "arch-utils.h" |
104c1213 JM |
896 | |
897 | #if GDB_MULTI_ARCH | |
898 | #include "gdbcmd.h" | |
899 | #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */ | |
900 | #else | |
901 | /* Just include everything in sight so that the every old definition | |
902 | of macro is visible. */ | |
903 | #include "gdb_string.h" | |
904 | #include <ctype.h> | |
905 | #include "symtab.h" | |
906 | #include "frame.h" | |
907 | #include "inferior.h" | |
908 | #include "breakpoint.h" | |
0596389c | 909 | #include "gdb_wait.h" |
104c1213 JM |
910 | #include "gdbcore.h" |
911 | #include "gdbcmd.h" | |
912 | #include "target.h" | |
913 | #include "gdbthread.h" | |
914 | #include "annotate.h" | |
915 | #include "symfile.h" /* for overlay functions */ | |
916 | #endif | |
917 | #include "symcat.h" | |
918 | ||
919 | ||
920 | /* Static function declarations */ | |
921 | ||
922 | static void verify_gdbarch (struct gdbarch *gdbarch); | |
923 | static void init_gdbarch_data (struct gdbarch *); | |
924 | static void init_gdbarch_swap (struct gdbarch *); | |
925 | static void swapout_gdbarch_swap (struct gdbarch *); | |
926 | static void swapin_gdbarch_swap (struct gdbarch *); | |
927 | ||
928 | /* Convenience macro for allocting typesafe memory. */ | |
929 | ||
930 | #ifndef XMALLOC | |
931 | #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) | |
932 | #endif | |
933 | ||
934 | ||
935 | /* Non-zero if we want to trace architecture code. */ | |
936 | ||
937 | #ifndef GDBARCH_DEBUG | |
938 | #define GDBARCH_DEBUG 0 | |
939 | #endif | |
940 | int gdbarch_debug = GDBARCH_DEBUG; | |
941 | ||
942 | EOF | |
943 | ||
944 | # gdbarch open the gdbarch object | |
945 | echo "" | |
946 | echo "/* Maintain the struct gdbarch object */" | |
947 | echo "" | |
948 | echo "struct gdbarch" | |
949 | echo "{" | |
950 | echo " /* basic architectural information */" | |
c0e8c252 | 951 | function_list | while do_read # eval read $read |
104c1213 | 952 | do |
2ada493a AC |
953 | if class_is_info_p |
954 | then | |
955 | echo " ${returntype} ${function};" | |
956 | fi | |
104c1213 JM |
957 | done |
958 | echo "" | |
959 | echo " /* target specific vector. */" | |
960 | echo " struct gdbarch_tdep *tdep;" | |
961 | echo "" | |
962 | echo " /* per-architecture data-pointers */" | |
963 | echo " int nr_data;" | |
964 | echo " void **data;" | |
965 | echo "" | |
966 | echo " /* per-architecture swap-regions */" | |
967 | echo " struct gdbarch_swap *swap;" | |
968 | echo "" | |
969 | cat <<EOF | |
970 | /* Multi-arch values. | |
971 | ||
972 | When extending this structure you must: | |
973 | ||
974 | Add the field below. | |
975 | ||
976 | Declare set/get functions and define the corresponding | |
977 | macro in gdbarch.h. | |
978 | ||
979 | gdbarch_alloc(): If zero/NULL is not a suitable default, | |
980 | initialize the new field. | |
981 | ||
982 | verify_gdbarch(): Confirm that the target updated the field | |
983 | correctly. | |
984 | ||
985 | gdbarch_dump(): Add a fprintf_unfiltered call to so that the new | |
986 | field is dumped out | |
987 | ||
c0e8c252 | 988 | \`\`startup_gdbarch()'': Append an initial value to the static |
104c1213 JM |
989 | variable (base values on the host's c-type system). |
990 | ||
991 | get_gdbarch(): Implement the set/get functions (probably using | |
992 | the macro's as shortcuts). | |
993 | ||
994 | */ | |
995 | ||
996 | EOF | |
c0e8c252 | 997 | function_list | while do_read # eval read $read |
104c1213 | 998 | do |
2ada493a AC |
999 | if class_is_variable_p |
1000 | then | |
1001 | echo " ${returntype} ${function};" | |
1002 | elif class_is_function_p | |
1003 | then | |
1004 | echo " gdbarch_${function}_ftype *${function}${attrib};" | |
1005 | fi | |
104c1213 JM |
1006 | done |
1007 | echo "};" | |
1008 | ||
1009 | # A pre-initialized vector | |
1010 | echo "" | |
1011 | echo "" | |
1012 | cat <<EOF | |
1013 | /* The default architecture uses host values (for want of a better | |
1014 | choice). */ | |
1015 | EOF | |
1016 | echo "" | |
1017 | echo "extern const struct bfd_arch_info bfd_default_arch_struct;" | |
1018 | echo "" | |
c0e8c252 | 1019 | echo "struct gdbarch startup_gdbarch = {" |
104c1213 | 1020 | echo " /* basic architecture information */" |
c0e8c252 | 1021 | function_list | while do_read # eval read $read |
104c1213 | 1022 | do |
2ada493a AC |
1023 | if class_is_info_p |
1024 | then | |
0b8f9e4d | 1025 | echo " ${staticdefault}," |
2ada493a | 1026 | fi |
104c1213 JM |
1027 | done |
1028 | cat <<EOF | |
1029 | /* target specific vector */ | |
1030 | NULL, | |
1031 | /*per-architecture data-pointers and swap regions */ | |
1032 | 0, NULL, NULL, | |
1033 | /* Multi-arch values */ | |
1034 | EOF | |
c0e8c252 | 1035 | function_list | while do_read # eval read $read |
104c1213 | 1036 | do |
2ada493a AC |
1037 | if class_is_function_p || class_is_variable_p |
1038 | then | |
0b8f9e4d | 1039 | echo " ${staticdefault}," |
2ada493a | 1040 | fi |
104c1213 JM |
1041 | done |
1042 | cat <<EOF | |
c0e8c252 | 1043 | /* startup_gdbarch() */ |
104c1213 | 1044 | }; |
c0e8c252 | 1045 | struct gdbarch *current_gdbarch = &startup_gdbarch; |
104c1213 JM |
1046 | EOF |
1047 | ||
1048 | # Create a new gdbarch struct | |
1049 | echo "" | |
1050 | echo "" | |
1051 | cat <<EOF | |
1052 | /* Create a new \`\`struct gdbarch'' based in information provided by | |
1053 | \`\`struct gdbarch_info''. */ | |
1054 | EOF | |
1055 | echo "" | |
1056 | cat <<EOF | |
1057 | struct gdbarch * | |
1058 | gdbarch_alloc (const struct gdbarch_info *info, | |
1059 | struct gdbarch_tdep *tdep) | |
1060 | { | |
1061 | struct gdbarch *gdbarch = XMALLOC (struct gdbarch); | |
1062 | memset (gdbarch, 0, sizeof (*gdbarch)); | |
1063 | ||
1064 | gdbarch->tdep = tdep; | |
1065 | EOF | |
1066 | echo "" | |
c0e8c252 | 1067 | function_list | while do_read # eval read $read |
104c1213 | 1068 | do |
2ada493a AC |
1069 | if class_is_info_p |
1070 | then | |
1071 | echo " gdbarch->${function} = info->${function};" | |
1072 | fi | |
104c1213 JM |
1073 | done |
1074 | echo "" | |
1075 | echo " /* Force the explicit initialization of these. */" | |
c0e8c252 | 1076 | function_list | while do_read # eval read $read |
104c1213 | 1077 | do |
2ada493a AC |
1078 | if class_is_function_p || class_is_variable_p |
1079 | then | |
0b8f9e4d | 1080 | if [ "${predefault}" != "" -a "${predefault}" != "0" ] |
104c1213 | 1081 | then |
0b8f9e4d | 1082 | echo " gdbarch->${function} = ${predefault};" |
104c1213 | 1083 | fi |
2ada493a | 1084 | fi |
104c1213 JM |
1085 | done |
1086 | cat <<EOF | |
1087 | /* gdbarch_alloc() */ | |
1088 | ||
1089 | return gdbarch; | |
1090 | } | |
1091 | EOF | |
1092 | ||
058f20d5 JB |
1093 | # Free a gdbarch struct. |
1094 | echo "" | |
1095 | echo "" | |
1096 | cat <<EOF | |
1097 | /* Free a gdbarch struct. This should never happen in normal | |
1098 | operation --- once you've created a gdbarch, you keep it around. | |
1099 | However, if an architecture's init function encounters an error | |
1100 | building the structure, it may need to clean up a partially | |
1101 | constructed gdbarch. */ | |
1102 | void | |
1103 | gdbarch_free (struct gdbarch *arch) | |
1104 | { | |
1105 | /* At the moment, this is trivial. */ | |
1106 | free (arch); | |
1107 | } | |
1108 | EOF | |
1109 | ||
104c1213 JM |
1110 | # verify a new architecture |
1111 | echo "" | |
1112 | echo "" | |
1113 | echo "/* Ensure that all values in a GDBARCH are reasonable. */" | |
1114 | echo "" | |
1115 | cat <<EOF | |
1116 | static void | |
1117 | verify_gdbarch (struct gdbarch *gdbarch) | |
1118 | { | |
1119 | /* Only perform sanity checks on a multi-arch target. */ | |
1120 | if (GDB_MULTI_ARCH <= 0) | |
1121 | return; | |
1122 | /* fundamental */ | |
1123 | if (gdbarch->byte_order == 0) | |
1124 | internal_error ("verify_gdbarch: byte-order unset"); | |
1125 | if (gdbarch->bfd_arch_info == NULL) | |
1126 | internal_error ("verify_gdbarch: bfd_arch_info unset"); | |
1127 | /* Check those that need to be defined for the given multi-arch level. */ | |
1128 | EOF | |
c0e8c252 | 1129 | function_list | while do_read # eval read $read |
104c1213 | 1130 | do |
2ada493a AC |
1131 | if class_is_function_p || class_is_variable_p |
1132 | then | |
c0e8c252 AC |
1133 | if [ "${invalid_p}" = "0" ] |
1134 | then | |
1135 | echo " /* Skip verify of ${function}, invalid_p == 0 */" | |
2ada493a AC |
1136 | elif class_is_predicate_p |
1137 | then | |
1138 | echo " /* Skip verify of ${function}, has predicate */" | |
c0e8c252 | 1139 | elif [ "${invalid_p}" ] |
104c1213 | 1140 | then |
c0e8c252 AC |
1141 | echo " if ((GDB_MULTI_ARCH >= ${level})" |
1142 | echo " && (${invalid_p}))" | |
1143 | echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");" | |
0b8f9e4d | 1144 | elif [ "${predefault}" ] |
104c1213 | 1145 | then |
c0e8c252 | 1146 | echo " if ((GDB_MULTI_ARCH >= ${level})" |
0b8f9e4d | 1147 | echo " && (gdbarch->${function} == ${predefault}))" |
c0e8c252 | 1148 | echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");" |
104c1213 | 1149 | fi |
2ada493a | 1150 | fi |
104c1213 JM |
1151 | done |
1152 | cat <<EOF | |
1153 | } | |
1154 | EOF | |
1155 | ||
1156 | # dump the structure | |
1157 | echo "" | |
1158 | echo "" | |
1159 | echo "/* Print out the details of the current architecture. */" | |
1160 | echo "" | |
1161 | cat <<EOF | |
1162 | void | |
1163 | gdbarch_dump (void) | |
1164 | { | |
1165 | EOF | |
c0e8c252 | 1166 | function_list | while do_read # eval read $read |
104c1213 | 1167 | do |
381323f4 | 1168 | echo "#ifdef ${macro}" |
2ada493a AC |
1169 | if class_is_function_p |
1170 | then | |
104c1213 JM |
1171 | echo " fprintf_unfiltered (gdb_stdlog," |
1172 | echo " \"gdbarch_update: ${macro} = 0x%08lx\\n\"," | |
1173 | echo " (long) current_gdbarch->${function}" | |
1174 | echo " /*${macro} ()*/);" | |
2ada493a | 1175 | else |
381323f4 | 1176 | if [ "${print_p}" ] |
104c1213 JM |
1177 | then |
1178 | echo " if (${print_p})" | |
1179 | echo " fprintf_unfiltered (gdb_stdlog," | |
1180 | echo " \"gdbarch_update: ${macro} = ${fmt}\\n\"," | |
1181 | echo " ${print});" | |
1182 | else | |
1183 | echo " fprintf_unfiltered (gdb_stdlog," | |
1184 | echo " \"gdbarch_update: ${macro} = ${fmt}\\n\"," | |
1185 | echo " ${print});" | |
1186 | fi | |
2ada493a | 1187 | fi |
381323f4 | 1188 | echo "#endif" |
104c1213 | 1189 | done |
381323f4 AC |
1190 | cat <<EOF |
1191 | fprintf_unfiltered (gdb_stdlog, | |
1192 | "gdbarch_update: GDB_MULTI_ARCH = %d\\n", | |
1193 | GDB_MULTI_ARCH); | |
1194 | } | |
1195 | EOF | |
104c1213 JM |
1196 | |
1197 | ||
1198 | # GET/SET | |
1199 | echo "" | |
1200 | cat <<EOF | |
1201 | struct gdbarch_tdep * | |
1202 | gdbarch_tdep (struct gdbarch *gdbarch) | |
1203 | { | |
1204 | if (gdbarch_debug >= 2) | |
104c1213 JM |
1205 | fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\n"); |
1206 | return gdbarch->tdep; | |
1207 | } | |
1208 | EOF | |
1209 | echo "" | |
c0e8c252 | 1210 | function_list | while do_read # eval read $read |
104c1213 | 1211 | do |
2ada493a AC |
1212 | if class_is_predicate_p |
1213 | then | |
1214 | echo "" | |
1215 | echo "int" | |
1216 | echo "gdbarch_${function}_p (struct gdbarch *gdbarch)" | |
1217 | echo "{" | |
1218 | if [ "${valid_p}" ] | |
1219 | then | |
1220 | echo " return ${valid_p};" | |
1221 | else | |
1222 | echo "#error \"gdbarch_${function}_p: not defined\"" | |
1223 | fi | |
1224 | echo "}" | |
1225 | fi | |
1226 | if class_is_function_p | |
1227 | then | |
104c1213 JM |
1228 | echo "" |
1229 | echo "${returntype}" | |
1230 | if [ "${formal}" = "void" ] | |
1231 | then | |
1232 | echo "gdbarch_${function} (struct gdbarch *gdbarch)" | |
1233 | else | |
1234 | echo "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})" | |
1235 | fi | |
1236 | echo "{" | |
1237 | echo " if (gdbarch->${function} == 0)" | |
1238 | echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" | |
1239 | echo " if (gdbarch_debug >= 2)" | |
104c1213 JM |
1240 | echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" |
1241 | test "${actual}" = "-" && actual="" | |
1242 | if [ "${returntype}" = "void" ] | |
1243 | then | |
1244 | echo " gdbarch->${function} (${actual});" | |
1245 | else | |
1246 | echo " return gdbarch->${function} (${actual});" | |
1247 | fi | |
1248 | echo "}" | |
1249 | echo "" | |
1250 | echo "void" | |
1251 | echo "set_gdbarch_${function} (struct gdbarch *gdbarch," | |
cff3e48b | 1252 | echo " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})" |
104c1213 JM |
1253 | echo "{" |
1254 | echo " gdbarch->${function} = ${function};" | |
1255 | echo "}" | |
2ada493a AC |
1256 | elif class_is_variable_p |
1257 | then | |
104c1213 JM |
1258 | echo "" |
1259 | echo "${returntype}" | |
1260 | echo "gdbarch_${function} (struct gdbarch *gdbarch)" | |
1261 | echo "{" | |
c0e8c252 AC |
1262 | if [ "${invalid_p}" = "0" ] |
1263 | then | |
1264 | echo " /* Skip verify of ${function}, invalid_p == 0 */" | |
1265 | elif [ "${invalid_p}" ] | |
104c1213 | 1266 | then |
c4093a6a | 1267 | echo " if (${invalid_p})" |
104c1213 | 1268 | echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" |
0b8f9e4d | 1269 | elif [ "${predefault}" ] |
104c1213 | 1270 | then |
0b8f9e4d | 1271 | echo " if (gdbarch->${function} == ${predefault})" |
104c1213 JM |
1272 | echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" |
1273 | fi | |
1274 | echo " if (gdbarch_debug >= 2)" | |
104c1213 JM |
1275 | echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" |
1276 | echo " return gdbarch->${function};" | |
1277 | echo "}" | |
1278 | echo "" | |
1279 | echo "void" | |
1280 | echo "set_gdbarch_${function} (struct gdbarch *gdbarch," | |
cff3e48b | 1281 | echo " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})" |
104c1213 JM |
1282 | echo "{" |
1283 | echo " gdbarch->${function} = ${function};" | |
1284 | echo "}" | |
2ada493a AC |
1285 | elif class_is_info_p |
1286 | then | |
104c1213 JM |
1287 | echo "" |
1288 | echo "${returntype}" | |
1289 | echo "gdbarch_${function} (struct gdbarch *gdbarch)" | |
1290 | echo "{" | |
1291 | echo " if (gdbarch_debug >= 2)" | |
104c1213 JM |
1292 | echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" |
1293 | echo " return gdbarch->${function};" | |
1294 | echo "}" | |
2ada493a | 1295 | fi |
104c1213 JM |
1296 | done |
1297 | ||
1298 | # All the trailing guff | |
1299 | cat <<EOF | |
1300 | ||
1301 | ||
1302 | /* Keep a registrary of per-architecture data-pointers required by GDB | |
1303 | modules. */ | |
1304 | ||
1305 | struct gdbarch_data | |
1306 | { | |
1307 | int index; | |
1308 | }; | |
1309 | ||
1310 | struct gdbarch_data_registration | |
1311 | { | |
1312 | gdbarch_data_ftype *init; | |
1313 | struct gdbarch_data *data; | |
1314 | struct gdbarch_data_registration *next; | |
1315 | }; | |
1316 | ||
1317 | struct gdbarch_data_registrary | |
1318 | { | |
1319 | int nr; | |
1320 | struct gdbarch_data_registration *registrations; | |
1321 | }; | |
1322 | ||
1323 | struct gdbarch_data_registrary gdbarch_data_registrary = | |
1324 | { | |
1325 | 0, NULL, | |
1326 | }; | |
1327 | ||
1328 | struct gdbarch_data * | |
1329 | register_gdbarch_data (gdbarch_data_ftype *init) | |
1330 | { | |
1331 | struct gdbarch_data_registration **curr; | |
1332 | for (curr = &gdbarch_data_registrary.registrations; | |
1333 | (*curr) != NULL; | |
1334 | curr = &(*curr)->next); | |
1335 | (*curr) = XMALLOC (struct gdbarch_data_registration); | |
1336 | (*curr)->next = NULL; | |
1337 | (*curr)->init = init; | |
1338 | (*curr)->data = XMALLOC (struct gdbarch_data); | |
1339 | (*curr)->data->index = gdbarch_data_registrary.nr++; | |
1340 | return (*curr)->data; | |
1341 | } | |
1342 | ||
1343 | ||
1344 | /* Walk through all the registered users initializing each in turn. */ | |
1345 | ||
1346 | static void | |
1347 | init_gdbarch_data (struct gdbarch *gdbarch) | |
1348 | { | |
1349 | struct gdbarch_data_registration *rego; | |
1350 | gdbarch->nr_data = gdbarch_data_registrary.nr + 1; | |
1351 | gdbarch->data = xmalloc (sizeof (void*) * gdbarch->nr_data); | |
1352 | for (rego = gdbarch_data_registrary.registrations; | |
1353 | rego != NULL; | |
1354 | rego = rego->next) | |
1355 | { | |
1356 | if (rego->data->index < gdbarch->nr_data) | |
1357 | gdbarch->data[rego->data->index] = rego->init (); | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | ||
1362 | /* Return the current value of the specified per-architecture | |
1363 | data-pointer. */ | |
1364 | ||
1365 | void * | |
1366 | gdbarch_data (data) | |
1367 | struct gdbarch_data *data; | |
1368 | { | |
1369 | if (data->index >= current_gdbarch->nr_data) | |
1370 | internal_error ("gdbarch_data: request for non-existant data."); | |
1371 | return current_gdbarch->data[data->index]; | |
1372 | } | |
1373 | ||
1374 | ||
1375 | ||
1376 | /* Keep a registrary of swaped data required by GDB modules. */ | |
1377 | ||
1378 | struct gdbarch_swap | |
1379 | { | |
1380 | void *swap; | |
1381 | struct gdbarch_swap_registration *source; | |
1382 | struct gdbarch_swap *next; | |
1383 | }; | |
1384 | ||
1385 | struct gdbarch_swap_registration | |
1386 | { | |
1387 | void *data; | |
1388 | unsigned long sizeof_data; | |
1389 | gdbarch_swap_ftype *init; | |
1390 | struct gdbarch_swap_registration *next; | |
1391 | }; | |
1392 | ||
1393 | struct gdbarch_swap_registrary | |
1394 | { | |
1395 | int nr; | |
1396 | struct gdbarch_swap_registration *registrations; | |
1397 | }; | |
1398 | ||
1399 | struct gdbarch_swap_registrary gdbarch_swap_registrary = | |
1400 | { | |
1401 | 0, NULL, | |
1402 | }; | |
1403 | ||
1404 | void | |
1405 | register_gdbarch_swap (void *data, | |
1406 | unsigned long sizeof_data, | |
1407 | gdbarch_swap_ftype *init) | |
1408 | { | |
1409 | struct gdbarch_swap_registration **rego; | |
1410 | for (rego = &gdbarch_swap_registrary.registrations; | |
1411 | (*rego) != NULL; | |
1412 | rego = &(*rego)->next); | |
1413 | (*rego) = XMALLOC (struct gdbarch_swap_registration); | |
1414 | (*rego)->next = NULL; | |
1415 | (*rego)->init = init; | |
1416 | (*rego)->data = data; | |
1417 | (*rego)->sizeof_data = sizeof_data; | |
1418 | } | |
1419 | ||
1420 | ||
1421 | static void | |
1422 | init_gdbarch_swap (struct gdbarch *gdbarch) | |
1423 | { | |
1424 | struct gdbarch_swap_registration *rego; | |
1425 | struct gdbarch_swap **curr = &gdbarch->swap; | |
1426 | for (rego = gdbarch_swap_registrary.registrations; | |
1427 | rego != NULL; | |
1428 | rego = rego->next) | |
1429 | { | |
1430 | if (rego->data != NULL) | |
1431 | { | |
1432 | (*curr) = XMALLOC (struct gdbarch_swap); | |
1433 | (*curr)->source = rego; | |
1434 | (*curr)->swap = xmalloc (rego->sizeof_data); | |
1435 | (*curr)->next = NULL; | |
1436 | memset (rego->data, 0, rego->sizeof_data); | |
1437 | curr = &(*curr)->next; | |
1438 | } | |
1439 | if (rego->init != NULL) | |
1440 | rego->init (); | |
1441 | } | |
1442 | } | |
1443 | ||
1444 | static void | |
1445 | swapout_gdbarch_swap (struct gdbarch *gdbarch) | |
1446 | { | |
1447 | struct gdbarch_swap *curr; | |
1448 | for (curr = gdbarch->swap; | |
1449 | curr != NULL; | |
1450 | curr = curr->next) | |
1451 | memcpy (curr->swap, curr->source->data, curr->source->sizeof_data); | |
1452 | } | |
1453 | ||
1454 | static void | |
1455 | swapin_gdbarch_swap (struct gdbarch *gdbarch) | |
1456 | { | |
1457 | struct gdbarch_swap *curr; | |
1458 | for (curr = gdbarch->swap; | |
1459 | curr != NULL; | |
1460 | curr = curr->next) | |
1461 | memcpy (curr->source->data, curr->swap, curr->source->sizeof_data); | |
1462 | } | |
1463 | ||
1464 | ||
1465 | /* Keep a registrary of the architectures known by GDB. */ | |
1466 | ||
1467 | struct gdbarch_init_registration | |
1468 | { | |
1469 | enum bfd_architecture bfd_architecture; | |
1470 | gdbarch_init_ftype *init; | |
1471 | struct gdbarch_list *arches; | |
1472 | struct gdbarch_init_registration *next; | |
1473 | }; | |
1474 | ||
1475 | static struct gdbarch_init_registration *gdbarch_init_registrary = NULL; | |
1476 | ||
1477 | void | |
1478 | register_gdbarch_init (enum bfd_architecture bfd_architecture, | |
1479 | gdbarch_init_ftype *init) | |
1480 | { | |
1481 | struct gdbarch_init_registration **curr; | |
1482 | const struct bfd_arch_info *bfd_arch_info; | |
1483 | /* Check that BFD reconizes this architecture */ | |
1484 | bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); | |
1485 | if (bfd_arch_info == NULL) | |
1486 | { | |
1487 | internal_error ("gdbarch: Attempt to register unknown architecture (%d)", bfd_architecture); | |
1488 | } | |
1489 | /* Check that we haven't seen this architecture before */ | |
1490 | for (curr = &gdbarch_init_registrary; | |
1491 | (*curr) != NULL; | |
1492 | curr = &(*curr)->next) | |
1493 | { | |
1494 | if (bfd_architecture == (*curr)->bfd_architecture) | |
1495 | internal_error ("gdbarch: Duplicate registraration of architecture (%s)", | |
1496 | bfd_arch_info->printable_name); | |
1497 | } | |
1498 | /* log it */ | |
1499 | if (gdbarch_debug) | |
1500 | fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n", | |
1501 | bfd_arch_info->printable_name, | |
1502 | (long) init); | |
1503 | /* Append it */ | |
1504 | (*curr) = XMALLOC (struct gdbarch_init_registration); | |
1505 | (*curr)->bfd_architecture = bfd_architecture; | |
1506 | (*curr)->init = init; | |
1507 | (*curr)->arches = NULL; | |
1508 | (*curr)->next = NULL; | |
1509 | } | |
1510 | ||
1511 | ||
1512 | ||
1513 | /* Look for an architecture using gdbarch_info. Base search on only | |
1514 | BFD_ARCH_INFO and BYTE_ORDER. */ | |
1515 | ||
1516 | struct gdbarch_list * | |
1517 | gdbarch_list_lookup_by_info (struct gdbarch_list *arches, | |
1518 | const struct gdbarch_info *info) | |
1519 | { | |
1520 | for (; arches != NULL; arches = arches->next) | |
1521 | { | |
1522 | if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) | |
1523 | continue; | |
1524 | if (info->byte_order != arches->gdbarch->byte_order) | |
1525 | continue; | |
1526 | return arches; | |
1527 | } | |
1528 | return NULL; | |
1529 | } | |
1530 | ||
1531 | ||
1532 | /* Update the current architecture. Return ZERO if the update request | |
1533 | failed. */ | |
1534 | ||
1535 | int | |
1536 | gdbarch_update (struct gdbarch_info info) | |
1537 | { | |
1538 | struct gdbarch *new_gdbarch; | |
1539 | struct gdbarch_list **list; | |
1540 | struct gdbarch_init_registration *rego; | |
1541 | ||
1542 | /* Fill in any missing bits. Most important is the bfd_architecture | |
1543 | which is used to select the target architecture. */ | |
1544 | if (info.bfd_architecture == bfd_arch_unknown) | |
1545 | { | |
1546 | if (info.bfd_arch_info != NULL) | |
1547 | info.bfd_architecture = info.bfd_arch_info->arch; | |
1548 | else if (info.abfd != NULL) | |
1549 | info.bfd_architecture = bfd_get_arch (info.abfd); | |
1550 | /* FIXME - should query BFD for its default architecture. */ | |
1551 | else | |
1552 | info.bfd_architecture = current_gdbarch->bfd_arch_info->arch; | |
1553 | } | |
1554 | if (info.bfd_arch_info == NULL) | |
1555 | { | |
1556 | if (target_architecture_auto && info.abfd != NULL) | |
1557 | info.bfd_arch_info = bfd_get_arch_info (info.abfd); | |
1558 | else | |
1559 | info.bfd_arch_info = current_gdbarch->bfd_arch_info; | |
1560 | } | |
1561 | if (info.byte_order == 0) | |
1562 | { | |
1563 | if (target_byte_order_auto && info.abfd != NULL) | |
1564 | info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN | |
1565 | : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN | |
1566 | : 0); | |
1567 | else | |
1568 | info.byte_order = current_gdbarch->byte_order; | |
1569 | /* FIXME - should query BFD for its default byte-order. */ | |
1570 | } | |
1571 | /* A default for abfd? */ | |
1572 | ||
1573 | /* Find the target that knows about this architecture. */ | |
1574 | for (rego = gdbarch_init_registrary; | |
1575 | rego != NULL && rego->bfd_architecture != info.bfd_architecture; | |
1576 | rego = rego->next); | |
1577 | if (rego == NULL) | |
1578 | { | |
1579 | if (gdbarch_debug) | |
1580 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\n"); | |
1581 | return 0; | |
1582 | } | |
1583 | ||
1584 | if (gdbarch_debug) | |
1585 | { | |
1586 | fprintf_unfiltered (gdb_stdlog, | |
1587 | "gdbarch_update: info.bfd_architecture %d (%s)\n", | |
1588 | info.bfd_architecture, | |
1589 | bfd_lookup_arch (info.bfd_architecture, 0)->printable_name); | |
1590 | fprintf_unfiltered (gdb_stdlog, | |
1591 | "gdbarch_update: info.bfd_arch_info %s\n", | |
1592 | (info.bfd_arch_info != NULL | |
1593 | ? info.bfd_arch_info->printable_name | |
1594 | : "(null)")); | |
1595 | fprintf_unfiltered (gdb_stdlog, | |
1596 | "gdbarch_update: info.byte_order %d (%s)\n", | |
1597 | info.byte_order, | |
1598 | (info.byte_order == BIG_ENDIAN ? "big" | |
1599 | : info.byte_order == LITTLE_ENDIAN ? "little" | |
1600 | : "default")); | |
1601 | fprintf_unfiltered (gdb_stdlog, | |
1602 | "gdbarch_update: info.abfd 0x%lx\n", | |
1603 | (long) info.abfd); | |
1604 | fprintf_unfiltered (gdb_stdlog, | |
1605 | "gdbarch_update: info.tdep_info 0x%lx\n", | |
1606 | (long) info.tdep_info); | |
1607 | } | |
1608 | ||
1609 | /* Ask the target for a replacement architecture. */ | |
1610 | new_gdbarch = rego->init (info, rego->arches); | |
1611 | ||
1612 | /* Did the target like it? No. Reject the change. */ | |
1613 | if (new_gdbarch == NULL) | |
1614 | { | |
1615 | if (gdbarch_debug) | |
1616 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\n"); | |
1617 | return 0; | |
1618 | } | |
1619 | ||
1620 | /* Did the architecture change? No. Do nothing. */ | |
1621 | if (current_gdbarch == new_gdbarch) | |
1622 | { | |
1623 | if (gdbarch_debug) | |
1624 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\n", | |
1625 | (long) new_gdbarch, | |
1626 | new_gdbarch->bfd_arch_info->printable_name); | |
1627 | return 1; | |
1628 | } | |
1629 | ||
1630 | /* Swap all data belonging to the old target out */ | |
1631 | swapout_gdbarch_swap (current_gdbarch); | |
1632 | ||
1633 | /* Is this a pre-existing architecture? Yes. Swap it in. */ | |
1634 | for (list = ®o->arches; | |
1635 | (*list) != NULL; | |
1636 | list = &(*list)->next) | |
1637 | { | |
1638 | if ((*list)->gdbarch == new_gdbarch) | |
1639 | { | |
1640 | if (gdbarch_debug) | |
1641 | fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n", | |
1642 | (long) new_gdbarch, | |
1643 | new_gdbarch->bfd_arch_info->printable_name); | |
1644 | current_gdbarch = new_gdbarch; | |
1645 | swapin_gdbarch_swap (new_gdbarch); | |
1646 | return 1; | |
1647 | } | |
1648 | } | |
1649 | ||
1650 | /* Append this new architecture to this targets list. */ | |
1651 | (*list) = XMALLOC (struct gdbarch_list); | |
1652 | (*list)->next = NULL; | |
1653 | (*list)->gdbarch = new_gdbarch; | |
1654 | ||
1655 | /* Switch to this new architecture. Dump it out. */ | |
1656 | current_gdbarch = new_gdbarch; | |
1657 | if (gdbarch_debug) | |
1658 | { | |
1659 | fprintf_unfiltered (gdb_stdlog, | |
1660 | "gdbarch_update: New architecture 0x%08lx (%s) selected\n", | |
1661 | (long) new_gdbarch, | |
1662 | new_gdbarch->bfd_arch_info->printable_name); | |
1663 | gdbarch_dump (); | |
1664 | } | |
1665 | ||
1666 | /* Check that the newly installed architecture is valid. */ | |
1667 | verify_gdbarch (new_gdbarch); | |
1668 | ||
1669 | /* Initialize the per-architecture memory (swap) areas. | |
1670 | CURRENT_GDBARCH must be update before these modules are | |
1671 | called. */ | |
1672 | init_gdbarch_swap (new_gdbarch); | |
1673 | ||
1674 | /* Initialize the per-architecture data-pointer of all parties that | |
1675 | registered an interest in this architecture. CURRENT_GDBARCH | |
1676 | must be updated before these modules are called. */ | |
1677 | init_gdbarch_data (new_gdbarch); | |
1678 | ||
1679 | return 1; | |
1680 | } | |
1681 | ||
1682 | ||
1683 | ||
1684 | /* Functions to manipulate the endianness of the target. */ | |
1685 | ||
1686 | #ifdef TARGET_BYTE_ORDER_SELECTABLE | |
1687 | /* compat - Catch old targets that expect a selectable byte-order to | |
1688 | default to BIG_ENDIAN */ | |
1689 | #ifndef TARGET_BYTE_ORDER_DEFAULT | |
1690 | #define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN | |
1691 | #endif | |
1692 | #endif | |
1693 | #if !TARGET_BYTE_ORDER_SELECTABLE_P | |
1694 | #ifndef TARGET_BYTE_ORDER_DEFAULT | |
1695 | /* compat - Catch old non byte-order selectable targets that do not | |
1696 | define TARGET_BYTE_ORDER_DEFAULT and instead expect | |
1697 | TARGET_BYTE_ORDER to be used as the default. For targets that | |
1698 | defined neither TARGET_BYTE_ORDER nor TARGET_BYTE_ORDER_DEFAULT the | |
1699 | below will get a strange compiler warning. */ | |
1700 | #define TARGET_BYTE_ORDER_DEFAULT TARGET_BYTE_ORDER | |
1701 | #endif | |
1702 | #endif | |
1703 | #ifndef TARGET_BYTE_ORDER_DEFAULT | |
1704 | #define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN /* arbitrary */ | |
1705 | #endif | |
1706 | int target_byte_order = TARGET_BYTE_ORDER_DEFAULT; | |
1707 | int target_byte_order_auto = 1; | |
1708 | ||
1709 | /* Chain containing the \"set endian\" commands. */ | |
1710 | static struct cmd_list_element *endianlist = NULL; | |
1711 | ||
1712 | /* Called by \`\`show endian''. */ | |
1713 | static void | |
1714 | show_endian (char *args, int from_tty) | |
1715 | { | |
1716 | char *msg = | |
1717 | (TARGET_BYTE_ORDER_AUTO | |
1718 | ? "The target endianness is set automatically (currently %s endian)\n" | |
1719 | : "The target is assumed to be %s endian\n"); | |
1720 | printf_unfiltered (msg, (TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little")); | |
1721 | } | |
1722 | ||
1723 | /* Called if the user enters \`\`set endian'' without an argument. */ | |
1724 | static void | |
1725 | set_endian (char *args, int from_tty) | |
1726 | { | |
1727 | printf_unfiltered ("\"set endian\" must be followed by \"auto\", \"big\" or \"little\".\n"); | |
1728 | show_endian (args, from_tty); | |
1729 | } | |
1730 | ||
1731 | /* Called by \`\`set endian big''. */ | |
1732 | static void | |
1733 | set_endian_big (char *args, int from_tty) | |
1734 | { | |
1735 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1736 | { | |
1737 | target_byte_order = BIG_ENDIAN; | |
1738 | target_byte_order_auto = 0; | |
1739 | if (GDB_MULTI_ARCH) | |
1740 | { | |
1741 | struct gdbarch_info info; | |
1742 | memset (&info, 0, sizeof info); | |
1743 | info.byte_order = BIG_ENDIAN; | |
1744 | gdbarch_update (info); | |
1745 | } | |
1746 | } | |
1747 | else | |
1748 | { | |
1749 | printf_unfiltered ("Byte order is not selectable."); | |
1750 | show_endian (args, from_tty); | |
1751 | } | |
1752 | } | |
1753 | ||
1754 | /* Called by \`\`set endian little''. */ | |
1755 | static void | |
1756 | set_endian_little (char *args, int from_tty) | |
1757 | { | |
1758 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1759 | { | |
1760 | target_byte_order = LITTLE_ENDIAN; | |
1761 | target_byte_order_auto = 0; | |
1762 | if (GDB_MULTI_ARCH) | |
1763 | { | |
1764 | struct gdbarch_info info; | |
1765 | memset (&info, 0, sizeof info); | |
1766 | info.byte_order = LITTLE_ENDIAN; | |
1767 | gdbarch_update (info); | |
1768 | } | |
1769 | } | |
1770 | else | |
1771 | { | |
1772 | printf_unfiltered ("Byte order is not selectable."); | |
1773 | show_endian (args, from_tty); | |
1774 | } | |
1775 | } | |
1776 | ||
1777 | /* Called by \`\`set endian auto''. */ | |
1778 | static void | |
1779 | set_endian_auto (char *args, int from_tty) | |
1780 | { | |
1781 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1782 | { | |
1783 | target_byte_order_auto = 1; | |
1784 | } | |
1785 | else | |
1786 | { | |
1787 | printf_unfiltered ("Byte order is not selectable."); | |
1788 | show_endian (args, from_tty); | |
1789 | } | |
1790 | } | |
1791 | ||
1792 | /* Set the endianness from a BFD. */ | |
1793 | static void | |
1794 | set_endian_from_file (bfd *abfd) | |
1795 | { | |
1796 | if (TARGET_BYTE_ORDER_SELECTABLE_P) | |
1797 | { | |
1798 | int want; | |
1799 | ||
1800 | if (bfd_big_endian (abfd)) | |
1801 | want = BIG_ENDIAN; | |
1802 | else | |
1803 | want = LITTLE_ENDIAN; | |
1804 | if (TARGET_BYTE_ORDER_AUTO) | |
1805 | target_byte_order = want; | |
1806 | else if (TARGET_BYTE_ORDER != want) | |
1807 | warning ("%s endian file does not match %s endian target.", | |
1808 | want == BIG_ENDIAN ? "big" : "little", | |
1809 | TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"); | |
1810 | } | |
1811 | else | |
1812 | { | |
1813 | if (bfd_big_endian (abfd) | |
1814 | ? TARGET_BYTE_ORDER != BIG_ENDIAN | |
1815 | : TARGET_BYTE_ORDER == BIG_ENDIAN) | |
1816 | warning ("%s endian file does not match %s endian target.", | |
1817 | bfd_big_endian (abfd) ? "big" : "little", | |
1818 | TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"); | |
1819 | } | |
1820 | } | |
1821 | ||
1822 | ||
1823 | ||
1824 | /* Functions to manipulate the architecture of the target */ | |
1825 | ||
1826 | enum set_arch { set_arch_auto, set_arch_manual }; | |
1827 | ||
1828 | int target_architecture_auto = 1; | |
1829 | extern const struct bfd_arch_info bfd_default_arch_struct; | |
1830 | const struct bfd_arch_info *target_architecture = &bfd_default_arch_struct; | |
1831 | int (*target_architecture_hook) (const struct bfd_arch_info *ap); | |
1832 | ||
1833 | static void show_endian (char *, int); | |
1834 | static void set_endian (char *, int); | |
1835 | static void set_endian_big (char *, int); | |
1836 | static void set_endian_little (char *, int); | |
1837 | static void set_endian_auto (char *, int); | |
1838 | static void set_endian_from_file (bfd *); | |
1839 | static int arch_ok (const struct bfd_arch_info *arch); | |
1840 | static void set_arch (const struct bfd_arch_info *arch, enum set_arch type); | |
1841 | static void show_architecture (char *, int); | |
1842 | static void set_architecture (char *, int); | |
1843 | static void info_architecture (char *, int); | |
1844 | static void set_architecture_from_file (bfd *); | |
1845 | ||
1846 | /* Do the real work of changing the current architecture */ | |
1847 | ||
1848 | static int | |
1849 | arch_ok (const struct bfd_arch_info *arch) | |
1850 | { | |
1851 | /* Should be performing the more basic check that the binary is | |
1852 | compatible with GDB. */ | |
1853 | /* Check with the target that the architecture is valid. */ | |
1854 | return (target_architecture_hook == NULL | |
1855 | || target_architecture_hook (arch)); | |
1856 | } | |
1857 | ||
1858 | static void | |
1859 | set_arch (const struct bfd_arch_info *arch, | |
1860 | enum set_arch type) | |
1861 | { | |
1862 | switch (type) | |
1863 | { | |
1864 | case set_arch_auto: | |
1865 | if (!arch_ok (arch)) | |
1866 | warning ("Target may not support %s architecture", | |
1867 | arch->printable_name); | |
1868 | target_architecture = arch; | |
1869 | break; | |
1870 | case set_arch_manual: | |
1871 | if (!arch_ok (arch)) | |
1872 | { | |
1873 | printf_unfiltered ("Target does not support \`%s' architecture.\n", | |
1874 | arch->printable_name); | |
1875 | } | |
1876 | else | |
1877 | { | |
1878 | target_architecture_auto = 0; | |
1879 | target_architecture = arch; | |
1880 | } | |
1881 | break; | |
1882 | } | |
1883 | if (gdbarch_debug) | |
1884 | gdbarch_dump (); | |
1885 | } | |
1886 | ||
1887 | /* Called if the user enters \`\`show architecture'' without an argument. */ | |
1888 | static void | |
1889 | show_architecture (char *args, int from_tty) | |
1890 | { | |
1891 | const char *arch; | |
1892 | arch = TARGET_ARCHITECTURE->printable_name; | |
1893 | if (target_architecture_auto) | |
1894 | printf_filtered ("The target architecture is set automatically (currently %s)\n", arch); | |
1895 | else | |
1896 | printf_filtered ("The target architecture is assumed to be %s\n", arch); | |
1897 | } | |
1898 | ||
1899 | /* Called if the user enters \`\`set architecture'' with or without an | |
1900 | argument. */ | |
1901 | static void | |
1902 | set_architecture (char *args, int from_tty) | |
1903 | { | |
1904 | if (args == NULL) | |
1905 | { | |
1906 | printf_unfiltered ("\"set architecture\" must be followed by \"auto\" or an architecture name.\n"); | |
1907 | } | |
1908 | else if (strcmp (args, "auto") == 0) | |
1909 | { | |
1910 | target_architecture_auto = 1; | |
1911 | } | |
1912 | else if (GDB_MULTI_ARCH) | |
1913 | { | |
1914 | const struct bfd_arch_info *arch = bfd_scan_arch (args); | |
1915 | if (arch == NULL) | |
1916 | printf_unfiltered ("Architecture \`%s' not reconized.\n", args); | |
1917 | else | |
1918 | { | |
1919 | struct gdbarch_info info; | |
1920 | memset (&info, 0, sizeof info); | |
1921 | info.bfd_arch_info = arch; | |
1922 | if (gdbarch_update (info)) | |
1923 | target_architecture_auto = 0; | |
1924 | else | |
1925 | printf_unfiltered ("Architecture \`%s' not reconized.\n", args); | |
1926 | } | |
1927 | } | |
1928 | else | |
1929 | { | |
1930 | const struct bfd_arch_info *arch = bfd_scan_arch (args); | |
1931 | if (arch != NULL) | |
1932 | set_arch (arch, set_arch_manual); | |
1933 | else | |
1934 | printf_unfiltered ("Architecture \`%s' not reconized.\n", args); | |
1935 | } | |
1936 | } | |
1937 | ||
1938 | /* Called if the user enters \`\`info architecture'' without an argument. */ | |
1939 | static void | |
1940 | info_architecture (char *args, int from_tty) | |
1941 | { | |
1942 | enum bfd_architecture a; | |
1943 | if (GDB_MULTI_ARCH) | |
1944 | { | |
1945 | if (gdbarch_init_registrary != NULL) | |
1946 | { | |
1947 | struct gdbarch_init_registration *rego; | |
1948 | printf_filtered ("Available architectures are:\n"); | |
1949 | for (rego = gdbarch_init_registrary; | |
1950 | rego != NULL; | |
1951 | rego = rego->next) | |
1952 | { | |
1953 | const struct bfd_arch_info *ap; | |
1954 | ap = bfd_lookup_arch (rego->bfd_architecture, 0); | |
1955 | if (ap != NULL) | |
1956 | { | |
1957 | do | |
1958 | { | |
1959 | printf_filtered (" %s", ap->printable_name); | |
1960 | ap = ap->next; | |
1961 | } | |
1962 | while (ap != NULL); | |
1963 | printf_filtered ("\n"); | |
1964 | } | |
1965 | } | |
1966 | } | |
1967 | else | |
1968 | { | |
1969 | printf_filtered ("There are no available architectures.\n"); | |
1970 | } | |
1971 | return; | |
1972 | } | |
1973 | printf_filtered ("Available architectures are:\n"); | |
1974 | for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++) | |
1975 | { | |
1976 | const struct bfd_arch_info *ap = bfd_lookup_arch (a, 0); | |
1977 | if (ap != NULL) | |
1978 | { | |
1979 | do | |
1980 | { | |
1981 | printf_filtered (" %s", ap->printable_name); | |
1982 | ap = ap->next; | |
1983 | } | |
1984 | while (ap != NULL); | |
1985 | printf_filtered ("\n"); | |
1986 | } | |
1987 | } | |
1988 | } | |
1989 | ||
1990 | /* Set the architecture from arch/machine */ | |
1991 | void | |
1992 | set_architecture_from_arch_mach (arch, mach) | |
1993 | enum bfd_architecture arch; | |
1994 | unsigned long mach; | |
1995 | { | |
1996 | const struct bfd_arch_info *wanted = bfd_lookup_arch (arch, mach); | |
1997 | if (wanted != NULL) | |
1998 | set_arch (wanted, set_arch_manual); | |
1999 | else | |
2000 | internal_error ("gdbarch: hardwired architecture/machine not reconized"); | |
2001 | } | |
2002 | ||
2003 | /* Set the architecture from a BFD */ | |
2004 | static void | |
2005 | set_architecture_from_file (bfd *abfd) | |
2006 | { | |
2007 | const struct bfd_arch_info *wanted = bfd_get_arch_info (abfd); | |
2008 | if (target_architecture_auto) | |
2009 | { | |
2010 | set_arch (wanted, set_arch_auto); | |
2011 | } | |
2012 | else if (wanted != target_architecture) | |
2013 | { | |
2014 | warning ("%s architecture file may be incompatible with %s target.", | |
2015 | wanted->printable_name, | |
2016 | target_architecture->printable_name); | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | ||
2021 | /* Misc helper functions for targets. */ | |
2022 | ||
2023 | int | |
2024 | frame_num_args_unknown (fi) | |
2025 | struct frame_info *fi; | |
2026 | { | |
2027 | return -1; | |
2028 | } | |
2029 | ||
2030 | ||
2031 | int | |
2032 | generic_register_convertible_not (num) | |
2033 | int num; | |
2034 | { | |
2035 | return 0; | |
2036 | } | |
2037 | ||
4478b372 | 2038 | |
104c1213 JM |
2039 | /* Disassembler */ |
2040 | ||
2041 | /* Pointer to the target-dependent disassembly function. */ | |
2042 | int (*tm_print_insn) (bfd_vma, disassemble_info *); | |
2043 | disassemble_info tm_print_insn_info; | |
2044 | ||
2045 | ||
2046 | ||
2047 | /* Set the dynamic target-system-dependant parameters (architecture, | |
2048 | byte-order) using information found in the BFD */ | |
2049 | ||
2050 | void | |
2051 | set_gdbarch_from_file (abfd) | |
2052 | bfd *abfd; | |
2053 | { | |
2054 | if (GDB_MULTI_ARCH) | |
2055 | { | |
2056 | struct gdbarch_info info; | |
2057 | memset (&info, 0, sizeof info); | |
2058 | info.abfd = abfd; | |
2059 | gdbarch_update (info); | |
2060 | return; | |
2061 | } | |
2062 | set_architecture_from_file (abfd); | |
2063 | set_endian_from_file (abfd); | |
2064 | } | |
2065 | ||
2066 | ||
e514a9d6 JM |
2067 | /* Initialize the current architecture. */ |
2068 | void | |
2069 | initialize_current_architecture () | |
2070 | { | |
2071 | if (GDB_MULTI_ARCH) | |
2072 | { | |
2073 | struct gdbarch_init_registration *rego; | |
2074 | const struct bfd_arch_info *chosen = NULL; | |
2075 | for (rego = gdbarch_init_registrary; rego != NULL; rego = rego->next) | |
2076 | { | |
2077 | const struct bfd_arch_info *ap | |
2078 | = bfd_lookup_arch (rego->bfd_architecture, 0); | |
2079 | ||
2080 | /* Choose the first architecture alphabetically. */ | |
2081 | if (chosen == NULL | |
2082 | || strcmp (ap->printable_name, chosen->printable_name) < 0) | |
2083 | chosen = ap; | |
2084 | } | |
2085 | ||
2086 | if (chosen != NULL) | |
2087 | { | |
2088 | struct gdbarch_info info; | |
2089 | memset (&info, 0, sizeof info); | |
2090 | info.bfd_arch_info = chosen; | |
2091 | gdbarch_update (info); | |
2092 | } | |
2093 | } | |
2094 | } | |
2095 | ||
104c1213 JM |
2096 | extern void _initialize_gdbarch (void); |
2097 | void | |
2098 | _initialize_gdbarch () | |
2099 | { | |
59233f88 AC |
2100 | struct cmd_list_element *c; |
2101 | ||
104c1213 JM |
2102 | add_prefix_cmd ("endian", class_support, set_endian, |
2103 | "Set endianness of target.", | |
2104 | &endianlist, "set endian ", 0, &setlist); | |
2105 | add_cmd ("big", class_support, set_endian_big, | |
2106 | "Set target as being big endian.", &endianlist); | |
2107 | add_cmd ("little", class_support, set_endian_little, | |
2108 | "Set target as being little endian.", &endianlist); | |
2109 | add_cmd ("auto", class_support, set_endian_auto, | |
2110 | "Select target endianness automatically.", &endianlist); | |
2111 | add_cmd ("endian", class_support, show_endian, | |
2112 | "Show endianness of target.", &showlist); | |
2113 | ||
2114 | add_cmd ("architecture", class_support, set_architecture, | |
2115 | "Set architecture of target.", &setlist); | |
2116 | add_alias_cmd ("processor", "architecture", class_support, 1, &setlist); | |
2117 | add_cmd ("architecture", class_support, show_architecture, | |
2118 | "Show architecture of target.", &showlist); | |
2119 | add_cmd ("architecture", class_support, info_architecture, | |
2120 | "List supported target architectures", &infolist); | |
2121 | ||
2122 | INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered); | |
2123 | tm_print_insn_info.flavour = bfd_target_unknown_flavour; | |
2124 | tm_print_insn_info.read_memory_func = dis_asm_read_memory; | |
2125 | tm_print_insn_info.memory_error_func = dis_asm_memory_error; | |
2126 | tm_print_insn_info.print_address_func = dis_asm_print_address; | |
2127 | ||
59233f88 | 2128 | add_show_from_set (add_set_cmd ("arch", |
104c1213 JM |
2129 | class_maintenance, |
2130 | var_zinteger, | |
2131 | (char *)&gdbarch_debug, | |
2132 | "Set architecture debugging.\n\\ | |
59233f88 AC |
2133 | When non-zero, architecture debugging is enabled.", &setdebuglist), |
2134 | &showdebuglist); | |
2135 | c = add_set_cmd ("archdebug", | |
2136 | class_maintenance, | |
2137 | var_zinteger, | |
2138 | (char *)&gdbarch_debug, | |
2139 | "Set architecture debugging.\n\\ | |
2140 | When non-zero, architecture debugging is enabled.", &setlist); | |
2141 | ||
2142 | deprecate_cmd (c, "set debug arch"); | |
2143 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch"); | |
104c1213 JM |
2144 | } |
2145 | EOF | |
2146 | ||
2147 | # close things off | |
2148 | exec 1>&2 | |
2149 | #../move-if-change new-gdbarch.c gdbarch.c | |
59233f88 | 2150 | compare_new gdbarch.c |