Commit | Line | Data |
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8b93c638 | 1 | /* Longjump free calls to gdb internal routines. |
b6ba6518 | 2 | Copyright 1999, 2000 Free Software Foundation, Inc. |
8b93c638 JM |
3 | |
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software | |
16 | Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
18 | ||
19 | #include "defs.h" | |
20 | #include "value.h" | |
8b93c638 JM |
21 | #include "wrapper.h" |
22 | ||
1d1358b6 | 23 | /* Use this struct to pass arguments to wrapper routines. We assume |
8b93c638 JM |
24 | (arbitrarily) that no gdb function takes more than ten arguments. */ |
25 | struct gdb_wrapper_arguments | |
26 | { | |
27 | ||
28 | /* Pointer to some result from the gdb function call, if any */ | |
1d1358b6 MS |
29 | union wrapper_results |
30 | { | |
31 | int integer; | |
32 | void *pointer; | |
33 | } result; | |
34 | ||
8b93c638 JM |
35 | |
36 | /* The list of arguments. */ | |
1d1358b6 MS |
37 | union wrapper_args |
38 | { | |
39 | int integer; | |
40 | void *pointer; | |
41 | } args[10]; | |
8b93c638 JM |
42 | }; |
43 | ||
a14ed312 | 44 | static int wrap_parse_exp_1 (char *); |
73a93a32 | 45 | |
a14ed312 | 46 | static int wrap_evaluate_expression (char *); |
8b93c638 | 47 | |
a14ed312 | 48 | static int wrap_value_fetch_lazy (char *); |
8b93c638 | 49 | |
a14ed312 | 50 | static int wrap_value_equal (char *); |
8b93c638 | 51 | |
8a1a0112 FN |
52 | static int wrap_value_assign (char *); |
53 | ||
a14ed312 | 54 | static int wrap_value_subscript (char *); |
8310b29b | 55 | |
a14ed312 | 56 | static int wrap_value_ind (char *opaque_arg); |
8b93c638 | 57 | |
287e3058 | 58 | static int wrap_parse_and_eval_type (char *); |
c91ecb25 | 59 | |
73a93a32 | 60 | int |
fba45db2 KB |
61 | gdb_parse_exp_1 (char **stringptr, struct block *block, int comma, |
62 | struct expression **expression) | |
73a93a32 JI |
63 | { |
64 | struct gdb_wrapper_arguments args; | |
1d1358b6 MS |
65 | args.args[0].pointer = stringptr; |
66 | args.args[1].pointer = block; | |
67 | args.args[2].integer = comma; | |
73a93a32 JI |
68 | |
69 | if (!catch_errors ((catch_errors_ftype *) wrap_parse_exp_1, &args, | |
70 | "", RETURN_MASK_ERROR)) | |
71 | { | |
72 | /* An error occurred */ | |
73 | return 0; | |
74 | } | |
75 | ||
1d1358b6 | 76 | *expression = (struct expression *) args.result.pointer; |
73a93a32 JI |
77 | return 1; |
78 | ||
79 | } | |
80 | ||
287e3058 | 81 | static int |
fba45db2 | 82 | wrap_parse_exp_1 (char *argptr) |
73a93a32 JI |
83 | { |
84 | struct gdb_wrapper_arguments *args | |
85 | = (struct gdb_wrapper_arguments *) argptr; | |
1d1358b6 MS |
86 | args->result.pointer = parse_exp_1((char **) args->args[0].pointer, |
87 | (struct block *) args->args[1].pointer, | |
88 | args->args[2].integer); | |
73a93a32 JI |
89 | return 1; |
90 | } | |
91 | ||
8b93c638 | 92 | int |
fba45db2 | 93 | gdb_evaluate_expression (struct expression *exp, value_ptr *value) |
8b93c638 JM |
94 | { |
95 | struct gdb_wrapper_arguments args; | |
1d1358b6 | 96 | args.args[0].pointer = exp; |
8b93c638 JM |
97 | |
98 | if (!catch_errors ((catch_errors_ftype *) wrap_evaluate_expression, &args, | |
99 | "", RETURN_MASK_ERROR)) | |
100 | { | |
101 | /* An error occurred */ | |
102 | return 0; | |
103 | } | |
104 | ||
1d1358b6 | 105 | *value = (value_ptr) args.result.pointer; |
8b93c638 JM |
106 | return 1; |
107 | } | |
108 | ||
287e3058 | 109 | static int |
fba45db2 | 110 | wrap_evaluate_expression (char *a) |
8b93c638 JM |
111 | { |
112 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; | |
113 | ||
1d1358b6 MS |
114 | (args)->result.pointer = |
115 | (char *) evaluate_expression ((struct expression *) args->args[0].pointer); | |
8b93c638 JM |
116 | return 1; |
117 | } | |
118 | ||
119 | int | |
fba45db2 | 120 | gdb_value_fetch_lazy (value_ptr value) |
8b93c638 JM |
121 | { |
122 | struct gdb_wrapper_arguments args; | |
123 | ||
1d1358b6 | 124 | args.args[0].pointer = value; |
8b93c638 JM |
125 | return catch_errors ((catch_errors_ftype *) wrap_value_fetch_lazy, &args, |
126 | "", RETURN_MASK_ERROR); | |
127 | } | |
128 | ||
287e3058 | 129 | static int |
fba45db2 | 130 | wrap_value_fetch_lazy (char *a) |
8b93c638 JM |
131 | { |
132 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; | |
133 | ||
1d1358b6 | 134 | value_fetch_lazy ((value_ptr) (args)->args[0].pointer); |
8b93c638 JM |
135 | return 1; |
136 | } | |
137 | ||
138 | int | |
fba45db2 | 139 | gdb_value_equal (value_ptr val1, value_ptr val2, int *result) |
8b93c638 JM |
140 | { |
141 | struct gdb_wrapper_arguments args; | |
142 | ||
1d1358b6 MS |
143 | args.args[0].pointer = val1; |
144 | args.args[1].pointer = val2; | |
8b93c638 JM |
145 | |
146 | if (!catch_errors ((catch_errors_ftype *) wrap_value_equal, &args, | |
147 | "", RETURN_MASK_ERROR)) | |
148 | { | |
149 | /* An error occurred */ | |
150 | return 0; | |
151 | } | |
152 | ||
1d1358b6 | 153 | *result = args.result.integer; |
8b93c638 JM |
154 | return 1; |
155 | } | |
156 | ||
287e3058 | 157 | static int |
fba45db2 | 158 | wrap_value_equal (char *a) |
8b93c638 JM |
159 | { |
160 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; | |
161 | value_ptr val1, val2; | |
162 | ||
1d1358b6 MS |
163 | val1 = (value_ptr) (args)->args[0].pointer; |
164 | val2 = (value_ptr) (args)->args[1].pointer; | |
8b93c638 | 165 | |
1d1358b6 | 166 | (args)->result.integer = value_equal (val1, val2); |
8b93c638 JM |
167 | return 1; |
168 | } | |
169 | ||
8a1a0112 | 170 | int |
ba5f58cb | 171 | gdb_value_assign (value_ptr val1, value_ptr val2, value_ptr *result) |
8a1a0112 FN |
172 | { |
173 | struct gdb_wrapper_arguments args; | |
174 | ||
175 | args.args[0].pointer = val1; | |
176 | args.args[1].pointer = val2; | |
177 | ||
178 | if (!catch_errors ((catch_errors_ftype *) wrap_value_assign, &args, | |
179 | "", RETURN_MASK_ERROR)) | |
180 | { | |
181 | /* An error occurred */ | |
182 | return 0; | |
183 | } | |
184 | ||
185 | *result = (value_ptr) args.result.pointer; | |
186 | return 1; | |
187 | } | |
188 | ||
189 | static int | |
ba5f58cb | 190 | wrap_value_assign (char *a) |
8a1a0112 FN |
191 | { |
192 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; | |
193 | value_ptr val1, val2; | |
194 | ||
195 | val1 = (value_ptr) (args)->args[0].pointer; | |
196 | val2 = (value_ptr) (args)->args[1].pointer; | |
197 | ||
198 | (args)->result.pointer = value_assign (val1, val2); | |
199 | return 1; | |
200 | } | |
201 | ||
8310b29b | 202 | int |
fba45db2 | 203 | gdb_value_subscript (value_ptr val1, value_ptr val2, value_ptr *rval) |
8310b29b FN |
204 | { |
205 | struct gdb_wrapper_arguments args; | |
206 | ||
207 | args.args[0].pointer = val1; | |
208 | args.args[1].pointer = val2; | |
209 | ||
210 | if (!catch_errors ((catch_errors_ftype *) wrap_value_subscript, &args, | |
211 | "", RETURN_MASK_ERROR)) | |
212 | { | |
213 | /* An error occurred */ | |
214 | return 0; | |
215 | } | |
216 | ||
217 | *rval = (value_ptr) args.result.pointer; | |
218 | return 1; | |
219 | } | |
220 | ||
287e3058 | 221 | static int |
fba45db2 | 222 | wrap_value_subscript (char *a) |
8310b29b FN |
223 | { |
224 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; | |
225 | value_ptr val1, val2; | |
226 | ||
227 | val1 = (value_ptr) (args)->args[0].pointer; | |
228 | val2 = (value_ptr) (args)->args[1].pointer; | |
229 | ||
230 | (args)->result.pointer = value_subscript (val1, val2); | |
231 | return 1; | |
232 | } | |
233 | ||
8b93c638 | 234 | int |
fba45db2 | 235 | gdb_value_ind (value_ptr val, value_ptr *rval) |
8b93c638 JM |
236 | { |
237 | struct gdb_wrapper_arguments args; | |
238 | ||
1d1358b6 | 239 | args.args[0].pointer = val; |
8b93c638 JM |
240 | |
241 | if (!catch_errors ((catch_errors_ftype *) wrap_value_ind, &args, | |
242 | "", RETURN_MASK_ERROR)) | |
243 | { | |
244 | /* An error occurred */ | |
245 | return 0; | |
246 | } | |
247 | ||
1d1358b6 | 248 | *rval = (value_ptr) args.result.pointer; |
8b93c638 JM |
249 | return 1; |
250 | } | |
251 | ||
287e3058 | 252 | static int |
fba45db2 | 253 | wrap_value_ind (char *opaque_arg) |
8b93c638 JM |
254 | { |
255 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) opaque_arg; | |
256 | value_ptr val; | |
257 | ||
1d1358b6 MS |
258 | val = (value_ptr) (args)->args[0].pointer; |
259 | (args)->result.pointer = value_ind (val); | |
8b93c638 JM |
260 | return 1; |
261 | } | |
73a93a32 | 262 | |
c91ecb25 ND |
263 | int |
264 | gdb_parse_and_eval_type (char *p, int length, struct type **type) | |
265 | { | |
266 | struct gdb_wrapper_arguments args; | |
267 | args.args[0].pointer = p; | |
268 | args.args[1].integer = length; | |
269 | ||
270 | if (!catch_errors ((catch_errors_ftype *) wrap_parse_and_eval_type, &args, | |
271 | "", RETURN_MASK_ALL)) | |
272 | { | |
273 | /* An error occurred */ | |
274 | return 0; | |
275 | } | |
276 | ||
277 | *type = (struct type *) args.result.pointer; | |
278 | return 1; | |
279 | } | |
280 | ||
287e3058 | 281 | static int |
c91ecb25 ND |
282 | wrap_parse_and_eval_type (char *a) |
283 | { | |
284 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; | |
285 | ||
286 | char *p = (char *) args->args[0].pointer; | |
287 | int length = args->args[1].integer; | |
288 | ||
289 | args->result.pointer = (char *) parse_and_eval_type (p, length); | |
290 | ||
291 | return 1; | |
292 | } |