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authorJason Molenda <jmolenda@apple.com>2000-02-03 04:14:45 +0000
committerJason Molenda <jmolenda@apple.com>2000-02-03 04:14:45 +0000
commit8b93c6380e299446e645ece29bf77d26f5713529 (patch)
tree9f06d80fcf4b95cd76cbceda50de2a454da9287f /gdb/wrapper.c
parent6bb9f1226aa9f328aba73bcc6c0ecaa0525a8931 (diff)
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import gdb-2000-02-02 snapshot
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1 files changed, 165 insertions, 0 deletions
diff --git a/gdb/wrapper.c b/gdb/wrapper.c
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+/* Longjump free calls to gdb internal routines.
+ Copyright 1999 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "value.h"
+#include "frame.h"
+#include "wrapper.h"
+
+/* Use this struct used to pass arguments to wrapper routines. We assume
+ (arbitrarily) that no gdb function takes more than ten arguments. */
+struct gdb_wrapper_arguments
+ {
+
+ /* Pointer to some result from the gdb function call, if any */
+ char *result;
+
+ /* The list of arguments. */
+ char *args[10];
+ };
+
+int gdb_evaluate_expression PARAMS ((struct expression *, value_ptr *));
+int wrap_evaluate_expression PARAMS ((char *));
+
+int gdb_value_fetch_lazy PARAMS ((value_ptr));
+int wrap_value_fetch_lazy PARAMS ((char *));
+
+int gdb_value_equal PARAMS ((value_ptr, value_ptr, int *));
+int wrap_value_equal PARAMS ((char *));
+
+int gdb_value_ind PARAMS ((value_ptr val, value_ptr * rval));
+int wrap_value_ind PARAMS ((char *opaque_arg));
+
+int
+gdb_evaluate_expression (exp, value)
+ struct expression *exp;
+ value_ptr *value;
+{
+ struct gdb_wrapper_arguments args;
+ args.args[0] = (char *) exp;
+
+ if (!catch_errors ((catch_errors_ftype *) wrap_evaluate_expression, &args,
+ "", RETURN_MASK_ERROR))
+ {
+ /* An error occurred */
+ return 0;
+ }
+
+ *value = (value_ptr) args.result;
+ return 1;
+}
+
+int
+wrap_evaluate_expression (a)
+ char *a;
+{
+ struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
+
+ (args)->result =
+ (char *) evaluate_expression ((struct expression *) (args)->args[0]);
+ return 1;
+}
+
+int
+gdb_value_fetch_lazy (value)
+ value_ptr value;
+{
+ struct gdb_wrapper_arguments args;
+
+ args.args[0] = (char *) value;
+ return catch_errors ((catch_errors_ftype *) wrap_value_fetch_lazy, &args,
+ "", RETURN_MASK_ERROR);
+}
+
+int
+wrap_value_fetch_lazy (a)
+ char *a;
+{
+ struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
+
+ value_fetch_lazy ((value_ptr) (args)->args[0]);
+ return 1;
+}
+
+int
+gdb_value_equal (val1, val2, result)
+ value_ptr val1;
+ value_ptr val2;
+ int *result;
+{
+ struct gdb_wrapper_arguments args;
+
+ args.args[0] = (char *) val1;
+ args.args[1] = (char *) val2;
+
+ if (!catch_errors ((catch_errors_ftype *) wrap_value_equal, &args,
+ "", RETURN_MASK_ERROR))
+ {
+ /* An error occurred */
+ return 0;
+ }
+
+ *result = (int) args.result;
+ return 1;
+}
+
+int
+wrap_value_equal (a)
+ char *a;
+{
+ struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
+ value_ptr val1, val2;
+
+ val1 = (value_ptr) (args)->args[0];
+ val2 = (value_ptr) (args)->args[1];
+
+ (args)->result = (char *) value_equal (val1, val2);
+ return 1;
+}
+
+int
+gdb_value_ind (val, rval)
+ value_ptr val;
+ value_ptr *rval;
+{
+ struct gdb_wrapper_arguments args;
+
+ args.args[0] = (char *) val;
+
+ if (!catch_errors ((catch_errors_ftype *) wrap_value_ind, &args,
+ "", RETURN_MASK_ERROR))
+ {
+ /* An error occurred */
+ return 0;
+ }
+
+ *rval = (value_ptr) args.result;
+ return 1;
+}
+
+int
+wrap_value_ind (opaque_arg)
+ char *opaque_arg;
+{
+ struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) opaque_arg;
+ value_ptr val;
+
+ val = (value_ptr) (args)->args[0];
+ (args)->result = (char *) value_ind (val);
+ return 1;
+}