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 #ifndef _WIN32
28 __attribute__((visibility("hidden")))
29 #endif
compilerrt_abort_impl(const char * file,int line,const char * function)30 void compilerrt_abort_impl(const char *file, int line, const char *function) {
31 panic("%s:%d: abort in %s", file, line, function);
32 }
33
34 #elif __APPLE__
35
36 /* from libSystem.dylib */
37 extern void __assert_rtn(const char *func, const char *file,
38 int line, const char * message) __attribute__((noreturn));
39
40 #ifndef _WIN32
41 __attribute__((weak))
42 __attribute__((visibility("hidden")))
43 #endif
compilerrt_abort_impl(const char * file,int line,const char * function)44 void compilerrt_abort_impl(const char *file, int line, const char *function) {
45 __assert_rtn(function, file, line, "libcompiler_rt abort");
46 }
47
48 #else
49
50 /* Get the system definition of abort() */
51 #include <stdlib.h>
52
53 #ifndef _WIN32
54 __attribute__((weak))
55 __attribute__((visibility("hidden")))
56 #endif
compilerrt_abort_impl(const char * file,int line,const char * function)57 void compilerrt_abort_impl(const char *file, int line, const char *function) {
58 abort();
59 }
60
61 #endif
62