| /* ----------------------------------------------------------------------- |
| debug.c - Copyright (c) 1996 Red Hat, Inc. |
| |
| Permission is hereby granted, free of charge, to any person obtaining |
| a copy of this software and associated documentation files (the |
| ``Software''), to deal in the Software without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Software, and to |
| permit persons to whom the Software is furnished to do so, subject to |
| the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| DEALINGS IN THE SOFTWARE. |
| ----------------------------------------------------------------------- */ |
| |
| #include <ffi.h> |
| #include <ffi_common.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| /* General debugging routines */ |
| |
| void ffi_stop_here(void) |
| { |
| /* This function is only useful for debugging purposes. |
| Place a breakpoint on ffi_stop_here to be notified of |
| significant events. */ |
| } |
| |
| /* This function should only be called via the FFI_ASSERT() macro */ |
| |
| void ffi_assert(char *expr, char *file, int line) |
| { |
| fprintf(stderr, "ASSERTION FAILURE: %s at %s:%d\n", expr, file, line); |
| ffi_stop_here(); |
| abort(); |
| } |
| |
| /* Perform a sanity check on an ffi_type structure */ |
| |
| void ffi_type_test(ffi_type *a, char *file, int line) |
| { |
| FFI_ASSERT_AT(a != NULL, file, line); |
| |
| FFI_ASSERT_AT(a->type <= FFI_TYPE_LAST, file, line); |
| FFI_ASSERT_AT(a->type == FFI_TYPE_VOID || a->size > 0, file, line); |
| FFI_ASSERT_AT(a->type == FFI_TYPE_VOID || a->alignment > 0, file, line); |
| FFI_ASSERT_AT((a->type != FFI_TYPE_STRUCT && a->type != FFI_TYPE_COMPLEX) |
| || a->elements != NULL, file, line); |
| FFI_ASSERT_AT(a->type != FFI_TYPE_COMPLEX |
| || (a->elements != NULL |
| && a->elements[0] != NULL && a->elements[1] == NULL), |
| file, line); |
| |
| } |