• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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
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 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
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