57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
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/* ===-- int_util.c - Implement internal utilities --------------------------===
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*
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* The LLVM Compiler Infrastructure
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*
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* This file is dual licensed under the MIT and the University of Illinois Open
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* Source Licenses. See LICENSE.TXT for details.
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*
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* ===----------------------------------------------------------------------===
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*/
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#include "int_util.h"
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#include "int_lib.h"
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/* NOTE: The definitions in this file are declared weak because we clients to be
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* able to arbitrarily package individual functions into separate .a files. If
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* we did not declare these weak, some link situations might end up seeing
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* duplicate strong definitions of the same symbol.
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*
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* We can't use this solution for kernel use (which may not support weak), but
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* currently expect that when built for kernel use all the functionality is
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* packaged into a single library.
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*/
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#ifdef KERNEL_USE
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extern void panic(const char *, ...) __attribute__((noreturn));
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__attribute__((visibility("hidden")))
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void compilerrt_abort_impl(const char *file, int line, const char *function) {
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panic("%s:%d: abort in %s", file, line, function);
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}
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#elif __APPLE__ && !__STATIC__
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/* from libSystem.dylib */
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extern void __assert_rtn(const char *func, const char *file,
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int line, const char * message) __attribute__((noreturn));
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__attribute__((weak))
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__attribute__((visibility("hidden")))
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void compilerrt_abort_impl(const char *file, int line, const char *function) {
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__assert_rtn(function, file, line, "libcompiler_rt abort");
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}
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#else
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/* Get the system definition of abort() */
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#include <stdlib.h>
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__attribute__((weak))
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__attribute__((visibility("hidden")))
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void compilerrt_abort_impl(const char *file, int line, const char *function) {
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abort();
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}
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#endif
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