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_lib.h" |
12 | #include "int_util.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 | NORETURN extern void panic(const char *, ...); |
27 | #ifndef _WIN32 |
28 | __attribute__((visibility("hidden" ))) |
29 | #endif |
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 | NORETURN extern void __assert_rtn(const char *func, const char *file, int line, |
38 | const char *message); |
39 | |
40 | #ifndef _WIN32 |
41 | __attribute__((weak)) |
42 | __attribute__((visibility("hidden" ))) |
43 | #endif |
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 |
57 | void compilerrt_abort_impl(const char *file, int line, const char *function) { |
58 | abort(); |
59 | } |
60 | |
61 | #endif |
62 | |