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[asan] support PowerPC and SPARC in sanitizer_linux.cc 

llvm-svn: 168301
This commit is contained in:
Kostya Serebryany 2012-11-19 07:53:36 +00:00
parent a5b0dc8884
commit cb9f62189b
1 changed files with 13 additions and 3 deletions
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16
compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
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@ -31,12 +31,22 @@
#include <unistd.h>
#include <errno.h>
// Are we using 32-bit or 64-bit syscalls?
// We need to list the 64-bit architecures explicitly because for x32
// (which defines __x86_64__) we have __WORDSIZE == 32,
// but we still need to use 64-bit syscalls.
#if defined(__x86_64__) || defined(__powerpc64__) || defined(__sparc64__)
# 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);
@ -69,7 +79,7 @@ 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;
@ -95,7 +105,7 @@ int internal_sched_yield() {
// ----------------- sanitizer_common.h
bool FileExists(const char *filename) {
#if defined __x86_64__
#if SANITIZER_LINUX_USES_64BIT_SYSCALLS
struct stat st;
if (syscall(__NR_stat, filename, &st))
return false;