1/* ===-- int_util.c - Implement internal utilities --------------------------=== 2 * 3 * The LLVM Compiler Infrastructure 4 * 5 * This file is dual licensed under the MIT and the University of Illinois Open 6 * Source Licenses. See LICENSE.TXT for details. 7 * 8 * ===----------------------------------------------------------------------=== 9 */ 10 11#include "int_util.h" 12#include "int_lib.h" 13 14/* NOTE: The definitions in this file are declared weak because we clients to be 15 * able to arbitrarily package individual functions into separate .a files. If 16 * we did not declare these weak, some link situations might end up seeing 17 * duplicate strong definitions of the same symbol. 18 * 19 * We can't use this solution for kernel use (which may not support weak), but 20 * currently expect that when built for kernel use all the functionality is 21 * packaged into a single library. 22 */ 23 24#ifdef KERNEL_USE 25 26extern void panic(const char *, ...) __attribute__((noreturn)); 27__attribute__((visibility("hidden"))) 28void compilerrt_abort_impl(const char *file, int line, const char *function) { 29 panic("%s:%d: abort in %s", file, line, function); 30} 31 32#elif __APPLE__ && !__STATIC__ 33 34/* from libSystem.dylib */ 35extern void __assert_rtn(const char *func, const char *file, 36 int line, const char * message) __attribute__((noreturn)); 37 38__attribute__((weak)) 39__attribute__((visibility("hidden"))) 40void compilerrt_abort_impl(const char *file, int line, const char *function) { 41 __assert_rtn(function, file, line, "libcompiler_rt abort"); 42} 43 44 45#else 46 47/* Get the system definition of abort() */ 48#include <stdlib.h> 49 50__attribute__((weak)) 51__attribute__((visibility("hidden"))) 52void compilerrt_abort_impl(const char *file, int line, const char *function) { 53 abort(); 54} 55 56#endif 57