File: int_util.c

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-12~bpo8%2B1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 378,896 kB
  • sloc: cpp: 2,309,676; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,265; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (61 lines) | stat: -rw-r--r-- 1,810 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
/* ===-- int_util.c - Implement internal utilities --------------------------===
 *
 *                     The LLVM Compiler Infrastructure
 *
 * This file is dual licensed under the MIT and the University of Illinois Open
 * Source Licenses. See LICENSE.TXT for details.
 *
 * ===----------------------------------------------------------------------===
 */

#include "int_lib.h"
#include "int_util.h"

/* NOTE: The definitions in this file are declared weak because we clients to be
 * able to arbitrarily package individual functions into separate .a files. If
 * we did not declare these weak, some link situations might end up seeing
 * duplicate strong definitions of the same symbol.
 *
 * We can't use this solution for kernel use (which may not support weak), but
 * currently expect that when built for kernel use all the functionality is
 * packaged into a single library.
 */

#ifdef KERNEL_USE

NORETURN extern void panic(const char *, ...);
#ifndef _WIN32
__attribute__((visibility("hidden")))
#endif
void compilerrt_abort_impl(const char *file, int line, const char *function) {
  panic("%s:%d: abort in %s", file, line, function);
}

#elif __APPLE__

/* from libSystem.dylib */
NORETURN extern void __assert_rtn(const char *func, const char *file, int line,
                                  const char *message);

#ifndef _WIN32
__attribute__((weak))
__attribute__((visibility("hidden")))
#endif
void compilerrt_abort_impl(const char *file, int line, const char *function) {
  __assert_rtn(function, file, line, "libcompiler_rt abort");
}

#else

/* Get the system definition of abort() */
#include <stdlib.h>

#ifndef _WIN32
__attribute__((weak))
__attribute__((visibility("hidden")))
#endif
void compilerrt_abort_impl(const char *file, int line, const char *function) {
  abort();
}

#endif