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
26 extern void panic(const char *, ...) __attribute__((noreturn));
27 __attribute__((visibility("hidden")))
compilerrt_abort_impl(const char * file,int line,const char * function)28 void 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 */
35 extern 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")))
compilerrt_abort_impl(const char * file,int line,const char * function)40 void 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")))
compilerrt_abort_impl(const char * file,int line,const char * function)52 void compilerrt_abort_impl(const char *file, int line, const char *function) {
53 abort();
54 }
55
56 #endif
57