| 1 | /* Longjump free calls to gdb internal routines. |
| 2 | Copyright 1999 Free Software Foundation, Inc. |
| 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" |
| 21 | #include "frame.h" |
| 22 | #include "wrapper.h" |
| 23 | |
| 24 | /* Use this struct used to pass arguments to wrapper routines. We assume |
| 25 | (arbitrarily) that no gdb function takes more than ten arguments. */ |
| 26 | struct gdb_wrapper_arguments |
| 27 | { |
| 28 | |
| 29 | /* Pointer to some result from the gdb function call, if any */ |
| 30 | char *result; |
| 31 | |
| 32 | /* The list of arguments. */ |
| 33 | char *args[10]; |
| 34 | }; |
| 35 | |
| 36 | int gdb_evaluate_expression PARAMS ((struct expression *, value_ptr *)); |
| 37 | int wrap_evaluate_expression PARAMS ((char *)); |
| 38 | |
| 39 | int gdb_value_fetch_lazy PARAMS ((value_ptr)); |
| 40 | int wrap_value_fetch_lazy PARAMS ((char *)); |
| 41 | |
| 42 | int gdb_value_equal PARAMS ((value_ptr, value_ptr, int *)); |
| 43 | int wrap_value_equal PARAMS ((char *)); |
| 44 | |
| 45 | int gdb_value_ind PARAMS ((value_ptr val, value_ptr * rval)); |
| 46 | int wrap_value_ind PARAMS ((char *opaque_arg)); |
| 47 | |
| 48 | int |
| 49 | gdb_evaluate_expression (exp, value) |
| 50 | struct expression *exp; |
| 51 | value_ptr *value; |
| 52 | { |
| 53 | struct gdb_wrapper_arguments args; |
| 54 | args.args[0] = (char *) exp; |
| 55 | |
| 56 | if (!catch_errors ((catch_errors_ftype *) wrap_evaluate_expression, &args, |
| 57 | "", RETURN_MASK_ERROR)) |
| 58 | { |
| 59 | /* An error occurred */ |
| 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | *value = (value_ptr) args.result; |
| 64 | return 1; |
| 65 | } |
| 66 | |
| 67 | int |
| 68 | wrap_evaluate_expression (a) |
| 69 | char *a; |
| 70 | { |
| 71 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; |
| 72 | |
| 73 | (args)->result = |
| 74 | (char *) evaluate_expression ((struct expression *) (args)->args[0]); |
| 75 | return 1; |
| 76 | } |
| 77 | |
| 78 | int |
| 79 | gdb_value_fetch_lazy (value) |
| 80 | value_ptr value; |
| 81 | { |
| 82 | struct gdb_wrapper_arguments args; |
| 83 | |
| 84 | args.args[0] = (char *) value; |
| 85 | return catch_errors ((catch_errors_ftype *) wrap_value_fetch_lazy, &args, |
| 86 | "", RETURN_MASK_ERROR); |
| 87 | } |
| 88 | |
| 89 | int |
| 90 | wrap_value_fetch_lazy (a) |
| 91 | char *a; |
| 92 | { |
| 93 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; |
| 94 | |
| 95 | value_fetch_lazy ((value_ptr) (args)->args[0]); |
| 96 | return 1; |
| 97 | } |
| 98 | |
| 99 | int |
| 100 | gdb_value_equal (val1, val2, result) |
| 101 | value_ptr val1; |
| 102 | value_ptr val2; |
| 103 | int *result; |
| 104 | { |
| 105 | struct gdb_wrapper_arguments args; |
| 106 | |
| 107 | args.args[0] = (char *) val1; |
| 108 | args.args[1] = (char *) val2; |
| 109 | |
| 110 | if (!catch_errors ((catch_errors_ftype *) wrap_value_equal, &args, |
| 111 | "", RETURN_MASK_ERROR)) |
| 112 | { |
| 113 | /* An error occurred */ |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | *result = (int) args.result; |
| 118 | return 1; |
| 119 | } |
| 120 | |
| 121 | int |
| 122 | wrap_value_equal (a) |
| 123 | char *a; |
| 124 | { |
| 125 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) a; |
| 126 | value_ptr val1, val2; |
| 127 | |
| 128 | val1 = (value_ptr) (args)->args[0]; |
| 129 | val2 = (value_ptr) (args)->args[1]; |
| 130 | |
| 131 | (args)->result = (char *) value_equal (val1, val2); |
| 132 | return 1; |
| 133 | } |
| 134 | |
| 135 | int |
| 136 | gdb_value_ind (val, rval) |
| 137 | value_ptr val; |
| 138 | value_ptr *rval; |
| 139 | { |
| 140 | struct gdb_wrapper_arguments args; |
| 141 | |
| 142 | args.args[0] = (char *) val; |
| 143 | |
| 144 | if (!catch_errors ((catch_errors_ftype *) wrap_value_ind, &args, |
| 145 | "", RETURN_MASK_ERROR)) |
| 146 | { |
| 147 | /* An error occurred */ |
| 148 | return 0; |
| 149 | } |
| 150 | |
| 151 | *rval = (value_ptr) args.result; |
| 152 | return 1; |
| 153 | } |
| 154 | |
| 155 | int |
| 156 | wrap_value_ind (opaque_arg) |
| 157 | char *opaque_arg; |
| 158 | { |
| 159 | struct gdb_wrapper_arguments *args = (struct gdb_wrapper_arguments *) opaque_arg; |
| 160 | value_ptr val; |
| 161 | |
| 162 | val = (value_ptr) (args)->args[0]; |
| 163 | (args)->result = (char *) value_ind (val); |
| 164 | return 1; |
| 165 | } |