-/* Longjump free calls to gdb internal routines.
- Copyright 1999, 2000 Free Software Foundation, Inc.
+/* Longjump free calls to GDB internal routines.
+
+ Copyright (C) 1999, 2000, 2005, 2007 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
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "value.h"
+#include "exceptions.h"
#include "wrapper.h"
-
-/* Use this struct 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 */
- union wrapper_results
- {
- int integer;
- void *pointer;
- } result;
-
-
- /* The list of arguments. */
- union wrapper_args
- {
- int integer;
- void *pointer;
- } args[10];
- };
-
-static int wrap_parse_exp_1 (char *);
-
-static int wrap_evaluate_expression (char *);
-
-static int wrap_value_fetch_lazy (char *);
-
-static int wrap_value_equal (char *);
-
-static int wrap_value_assign (char *);
-
-static int wrap_value_subscript (char *);
-
-static int wrap_value_ind (char *opaque_arg);
-
-static int wrap_parse_and_eval_type (char *);
+#include "ui-out.h"
int
gdb_parse_exp_1 (char **stringptr, struct block *block, int comma,
struct expression **expression)
{
- struct gdb_wrapper_arguments args;
- args.args[0].pointer = stringptr;
- args.args[1].pointer = block;
- args.args[2].integer = comma;
+ volatile struct gdb_exception except;
- if (!catch_errors ((catch_errors_ftype *) wrap_parse_exp_1, &args,
- "", RETURN_MASK_ERROR))
+ TRY_CATCH (except, RETURN_MASK_ERROR)
{
- /* An error occurred */
- return 0;
+ *expression = parse_exp_1 (stringptr, block, comma);
}
- *expression = (struct expression *) args.result.pointer;
- return 1;
-
-}
-
-static int
-wrap_parse_exp_1 (char *argptr)
-{
- struct gdb_wrapper_arguments *args
- = (struct gdb_wrapper_arguments *) argptr;
- args->result.pointer = parse_exp_1((char **) args->args[0].pointer,
- (struct block *) args->args[1].pointer,
- args->args[2].integer);
+ if (except.reason < 0)
+ return 0;
return 1;
}
int
-gdb_evaluate_expression (struct expression *exp, value_ptr *value)
+gdb_evaluate_expression (struct expression *exp, struct value **value)
{
- struct gdb_wrapper_arguments args;
- args.args[0].pointer = exp;
+ volatile struct gdb_exception except;
- if (!catch_errors ((catch_errors_ftype *) wrap_evaluate_expression, &args,
- "", RETURN_MASK_ERROR))
+ TRY_CATCH (except, RETURN_MASK_ERROR)
{
- /* An error occurred */
- return 0;
+ *value = evaluate_expression(exp);
}
- *value = (value_ptr) args.result.pointer;
- return 1;
-}
-
-static int
-wrap_evaluate_expression (char *a)
-{
- struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
-
- (args)->result.pointer =
- (char *) evaluate_expression ((struct expression *) args->args[0].pointer);
+ if (except.reason < 0)
+ return 0;
return 1;
}
int
-gdb_value_fetch_lazy (value_ptr value)
+gdb_value_fetch_lazy (struct value *val)
{
- struct gdb_wrapper_arguments args;
-
- args.args[0].pointer = value;
- return catch_errors ((catch_errors_ftype *) wrap_value_fetch_lazy, &args,
- "", RETURN_MASK_ERROR);
-}
+ volatile struct gdb_exception except;
-static int
-wrap_value_fetch_lazy (char *a)
-{
- struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
+ TRY_CATCH (except, RETURN_MASK_ERROR)
+ {
+ value_fetch_lazy (val);
+ }
- value_fetch_lazy ((value_ptr) (args)->args[0].pointer);
+ if (except.reason < 0)
+ return 0;
return 1;
}
int
-gdb_value_equal (value_ptr val1, value_ptr val2, int *result)
+gdb_value_equal (struct value *val1, struct value *val2, int *result)
{
- struct gdb_wrapper_arguments args;
+ volatile struct gdb_exception except;
- args.args[0].pointer = val1;
- args.args[1].pointer = val2;
-
- if (!catch_errors ((catch_errors_ftype *) wrap_value_equal, &args,
- "", RETURN_MASK_ERROR))
+ TRY_CATCH (except, RETURN_MASK_ERROR)
{
- /* An error occurred */
- return 0;
+ *result = value_equal (val1, val2);
}
- *result = args.result.integer;
- return 1;
-}
-
-static int
-wrap_value_equal (char *a)
-{
- struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
- value_ptr val1, val2;
-
- val1 = (value_ptr) (args)->args[0].pointer;
- val2 = (value_ptr) (args)->args[1].pointer;
-
- (args)->result.integer = value_equal (val1, val2);
+ if (except.reason < 0)
+ return 0;
return 1;
}
int
-gdb_value_assign (value_ptr val1, value_ptr val2, value_ptr *result)
+gdb_value_assign (struct value *val1, struct value *val2,
+ struct value **result)
{
- struct gdb_wrapper_arguments args;
+ volatile struct gdb_exception except;
- args.args[0].pointer = val1;
- args.args[1].pointer = val2;
-
- if (!catch_errors ((catch_errors_ftype *) wrap_value_assign, &args,
- "", RETURN_MASK_ERROR))
+ TRY_CATCH (except, RETURN_MASK_ERROR)
{
- /* An error occurred */
- return 0;
+ *result = value_assign (val1, val2);
}
- *result = (value_ptr) args.result.pointer;
- return 1;
-}
-
-static int
-wrap_value_assign (char *a)
-{
- struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
- value_ptr val1, val2;
-
- val1 = (value_ptr) (args)->args[0].pointer;
- val2 = (value_ptr) (args)->args[1].pointer;
-
- (args)->result.pointer = value_assign (val1, val2);
+ if (except.reason < 0)
+ return 0;
return 1;
}
int
-gdb_value_subscript (value_ptr val1, value_ptr val2, value_ptr *rval)
+gdb_value_subscript (struct value *val1, struct value *val2,
+ struct value **result)
{
- struct gdb_wrapper_arguments args;
+ volatile struct gdb_exception except;
- args.args[0].pointer = val1;
- args.args[1].pointer = val2;
-
- if (!catch_errors ((catch_errors_ftype *) wrap_value_subscript, &args,
- "", RETURN_MASK_ERROR))
+ TRY_CATCH (except, RETURN_MASK_ERROR)
{
- /* An error occurred */
- return 0;
+ *result = value_subscript (val1, val2);
}
- *rval = (value_ptr) args.result.pointer;
- return 1;
-}
-
-static int
-wrap_value_subscript (char *a)
-{
- struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
- value_ptr val1, val2;
-
- val1 = (value_ptr) (args)->args[0].pointer;
- val2 = (value_ptr) (args)->args[1].pointer;
-
- (args)->result.pointer = value_subscript (val1, val2);
+ if (except.reason < 0)
+ return 0;
return 1;
}
int
-gdb_value_ind (value_ptr val, value_ptr *rval)
+gdb_value_ind (struct value *val, struct value **result)
{
- struct gdb_wrapper_arguments args;
+ volatile struct gdb_exception except;
- args.args[0].pointer = val;
-
- if (!catch_errors ((catch_errors_ftype *) wrap_value_ind, &args,
- "", RETURN_MASK_ERROR))
+ TRY_CATCH (except, RETURN_MASK_ERROR)
{
- /* An error occurred */
- return 0;
+ *result = value_ind (val);
}
- *rval = (value_ptr) args.result.pointer;
- return 1;
-}
-
-static int
-wrap_value_ind (char *opaque_arg)
-{
- struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) opaque_arg;
- value_ptr val;
-
- val = (value_ptr) (args)->args[0].pointer;
- (args)->result.pointer = value_ind (val);
+ if (except.reason < 0)
+ return 0;
return 1;
}
int
gdb_parse_and_eval_type (char *p, int length, struct type **type)
{
- struct gdb_wrapper_arguments args;
- args.args[0].pointer = p;
- args.args[1].integer = length;
+ volatile struct gdb_exception except;
- if (!catch_errors ((catch_errors_ftype *) wrap_parse_and_eval_type, &args,
- "", RETURN_MASK_ALL))
+ TRY_CATCH (except, RETURN_MASK_ERROR)
{
- /* An error occurred */
- return 0;
+ *type = parse_and_eval_type (p, length);
}
- *type = (struct type *) args.result.pointer;
+ if (except.reason < 0)
+ return 0;
return 1;
}
-static int
-wrap_parse_and_eval_type (char *a)
+enum gdb_rc
+gdb_value_struct_elt (struct ui_out *uiout, struct value **result,
+ struct value **argp, struct value **args, char *name,
+ int *static_memfuncp, char *err)
{
- struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a;
-
- char *p = (char *) args->args[0].pointer;
- int length = args->args[1].integer;
+ volatile struct gdb_exception except;
- args->result.pointer = (char *) parse_and_eval_type (p, length);
+ TRY_CATCH (except, RETURN_MASK_ALL)
+ {
+ *result = value_struct_elt (argp, args, name, static_memfuncp, err);
+ }
- return 1;
+ if (except.reason < 0)
+ return GDB_RC_FAIL;
+ return GDB_RC_OK;
}
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