1 /* Longjump free calls to gdb internal routines.
2 Copyright 1999 Free Software Foundation, Inc.
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.
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.
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. */
24 /* Use this struct to pass arguments to wrapper routines. We assume
25 (arbitrarily) that no gdb function takes more than ten arguments. */
26 struct gdb_wrapper_arguments
29 /* Pointer to some result from the gdb function call, if any */
37 /* The list of arguments. */
45 static int wrap_parse_exp_1 (char *);
47 static int wrap_evaluate_expression (char *);
49 static int wrap_value_fetch_lazy (char *);
51 static int wrap_value_equal (char *);
53 static int wrap_value_assign (char *);
55 static int wrap_value_subscript (char *);
57 static int wrap_value_ind (char *opaque_arg);
59 static int wrap_parse_and_eval_type (char *);
62 gdb_parse_exp_1 (char **stringptr, struct block *block, int comma,
63 struct expression **expression)
65 struct gdb_wrapper_arguments args;
66 args.args[0].pointer = stringptr;
67 args.args[1].pointer = block;
68 args.args[2].integer = comma;
70 if (!catch_errors ((catch_errors_ftype *) wrap_parse_exp_1, &args,
71 "", RETURN_MASK_ERROR))
73 /* An error occurred */
77 *expression = (struct expression *) args.result.pointer;
83 wrap_parse_exp_1 (char *argptr)
85 struct gdb_wrapper_arguments *args
86 = (struct gdb_wrapper_arguments *) argptr;
87 args->result.pointer = parse_exp_1((char **) args->args[0].pointer,
88 (struct block *) args->args[1].pointer,
89 args->args[2].integer);
94 gdb_evaluate_expression (struct expression *exp, value_ptr *value)
96 struct gdb_wrapper_arguments args;
97 args.args[0].pointer = exp;
99 if (!catch_errors ((catch_errors_ftype *) wrap_evaluate_expression, &args,
100 "", RETURN_MASK_ERROR))
102 /* An error occurred */
106 *value = (value_ptr) args.result.pointer;
111 wrap_evaluate_expression (char *a)
113 struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
115 (args)->result.pointer =
116 (char *) evaluate_expression ((struct expression *) args->args[0].pointer);
121 gdb_value_fetch_lazy (value_ptr value)
123 struct gdb_wrapper_arguments args;
125 args.args[0].pointer = value;
126 return catch_errors ((catch_errors_ftype *) wrap_value_fetch_lazy, &args,
127 "", RETURN_MASK_ERROR);
131 wrap_value_fetch_lazy (char *a)
133 struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
135 value_fetch_lazy ((value_ptr) (args)->args[0].pointer);
140 gdb_value_equal (value_ptr val1, value_ptr val2, int *result)
142 struct gdb_wrapper_arguments args;
144 args.args[0].pointer = val1;
145 args.args[1].pointer = val2;
147 if (!catch_errors ((catch_errors_ftype *) wrap_value_equal, &args,
148 "", RETURN_MASK_ERROR))
150 /* An error occurred */
154 *result = args.result.integer;
159 wrap_value_equal (char *a)
161 struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
162 value_ptr val1, val2;
164 val1 = (value_ptr) (args)->args[0].pointer;
165 val2 = (value_ptr) (args)->args[1].pointer;
167 (args)->result.integer = value_equal (val1, val2);
172 gdb_value_assign (val1, val2, result)
177 struct gdb_wrapper_arguments args;
179 args.args[0].pointer = val1;
180 args.args[1].pointer = val2;
182 if (!catch_errors ((catch_errors_ftype *) wrap_value_assign, &args,
183 "", RETURN_MASK_ERROR))
185 /* An error occurred */
189 *result = (value_ptr) args.result.pointer;
194 wrap_value_assign (a)
197 struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
198 value_ptr val1, val2;
200 val1 = (value_ptr) (args)->args[0].pointer;
201 val2 = (value_ptr) (args)->args[1].pointer;
203 (args)->result.pointer = value_assign (val1, val2);
208 gdb_value_subscript (value_ptr val1, value_ptr val2, value_ptr *rval)
210 struct gdb_wrapper_arguments args;
212 args.args[0].pointer = val1;
213 args.args[1].pointer = val2;
215 if (!catch_errors ((catch_errors_ftype *) wrap_value_subscript, &args,
216 "", RETURN_MASK_ERROR))
218 /* An error occurred */
222 *rval = (value_ptr) args.result.pointer;
227 wrap_value_subscript (char *a)
229 struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
230 value_ptr val1, val2;
232 val1 = (value_ptr) (args)->args[0].pointer;
233 val2 = (value_ptr) (args)->args[1].pointer;
235 (args)->result.pointer = value_subscript (val1, val2);
240 gdb_value_ind (value_ptr val, value_ptr *rval)
242 struct gdb_wrapper_arguments args;
244 args.args[0].pointer = val;
246 if (!catch_errors ((catch_errors_ftype *) wrap_value_ind, &args,
247 "", RETURN_MASK_ERROR))
249 /* An error occurred */
253 *rval = (value_ptr) args.result.pointer;
258 wrap_value_ind (char *opaque_arg)
260 struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) opaque_arg;
263 val = (value_ptr) (args)->args[0].pointer;
264 (args)->result.pointer = value_ind (val);
269 gdb_parse_and_eval_type (char *p, int length, struct type **type)
271 struct gdb_wrapper_arguments args;
272 args.args[0].pointer = p;
273 args.args[1].integer = length;
275 if (!catch_errors ((catch_errors_ftype *) wrap_parse_and_eval_type, &args,
276 "", RETURN_MASK_ALL))
278 /* An error occurred */
282 *type = (struct type *) args.result.pointer;
287 wrap_parse_and_eval_type (char *a)
289 struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
291 char *p = (char *) args->args[0].pointer;
292 int length = args->args[1].integer;
294 args->result.pointer = (char *) parse_and_eval_type (p, length);