| /* 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; |
| } |