| Alexey Samsonov | 2c5fc3b | 2012-06-04 14:27:50 +0000 | [diff] [blame^] | 1 | //===-- sanitizer_linux.cc ------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file is shared between AddressSanitizer and ThreadSanitizer |
| 11 | // run-time libraries and implements linux-specific functions from |
| 12 | // sanitizer_libc.h. |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | #ifdef __linux__ |
| 15 | |
| 16 | #include "sanitizer_defs.h" |
| 17 | #include "sanitizer_libc.h" |
| 18 | |
| 19 | #include <sys/mman.h> |
| 20 | #include <sys/syscall.h> |
| 21 | #include <sys/types.h> |
| 22 | #include <unistd.h> |
| 23 | |
| 24 | namespace __sanitizer { |
| 25 | |
| 26 | void *internal_mmap(void *addr, uptr length, int prot, int flags, |
| 27 | int fd, u64 offset) { |
| 28 | #if __WORDSIZE == 64 |
| 29 | return (void *)syscall(__NR_mmap, addr, length, prot, flags, fd, offset); |
| 30 | #else |
| 31 | return (void *)syscall(__NR_mmap2, addr, length, prot, flags, fd, offset); |
| 32 | #endif |
| 33 | } |
| 34 | |
| 35 | } // namespace __sanitizer |
| 36 | |
| 37 | #endif // __linux__ |