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| author | Konstantin Serebryany <konstantin.s.serebryany@gmail.com> | 2012-11-20 20:54:49 +0000 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 2012-11-20 12:54:49 -0800 |
| commit | b014e124e46edd418d02316ce4c65563d0568ad8 (patch) | |
| tree | 2ab90885e8bb4f79a14bf5c0a8e796699c93c6ad /libsanitizer/sanitizer_common | |
| parent | 26da79f5d102404edfbbdf4b8fe5ebcdc33c38f1 (diff) | |
| download | gcc-b014e124e46edd418d02316ce4c65563d0568ad8.tar.gz | |
Fix sanitizer build on sparc64.
* sanitizer_common/sanitizer_linux.cc
(SANITIZER_LINUX_USES_64BIT_SYSCALLS): Define.
(internal_mmap): Use it.
(internal_filesize): Likewise.
From-SVN: r193676
Diffstat (limited to 'libsanitizer/sanitizer_common')
| -rw-r--r-- | libsanitizer/sanitizer_common/sanitizer_linux.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc index e90a68ca1c4..f2a0d39ca99 100644 --- a/libsanitizer/sanitizer_common/sanitizer_linux.cc +++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc @@ -29,12 +29,21 @@ #include <unistd.h> #include <errno.h> +// Are we using 32-bit or 64-bit syscalls? +// x32 (which defines __x86_64__) has __WORDSIZE == 32 +// but it still needs to use 64-bit syscalls. +#if defined(__x86_64__) || __WORDSIZE == 64 +# define SANITIZER_LINUX_USES_64BIT_SYSCALLS 1 +#else +# define SANITIZER_LINUX_USES_64BIT_SYSCALLS 0 +#endif + namespace __sanitizer { // --------------- sanitizer_libc.h void *internal_mmap(void *addr, uptr length, int prot, int flags, int fd, u64 offset) { -#if defined __x86_64__ +#if SANITIZER_LINUX_USES_64BIT_SYSCALLS return (void *)syscall(__NR_mmap, addr, length, prot, flags, fd, offset); #else return (void *)syscall(__NR_mmap2, addr, length, prot, flags, fd, offset); @@ -67,7 +76,7 @@ uptr internal_write(fd_t fd, const void *buf, uptr count) { } uptr internal_filesize(fd_t fd) { -#if defined __x86_64__ +#if SANITIZER_LINUX_USES_64BIT_SYSCALLS struct stat st; if (syscall(__NR_fstat, fd, &st)) return -1; |