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