Cast pointers to uptr for 64-bit syscalls

	PR sanitizer/59018
	* sanitizer_common/sanitizer_linux.cc (internal_mmap,
	internal_munmap, internal_open, internal_read, internal_write,
	internal_stat, internal_lstat, internal_fstat, internal_readlink,
	internal_unlink, internal_execve, NanoTime, BlockingMutex::Lock,
	BlockingMutex::Unlock, internal_ptrace, internal_getdents,
	internal_sigaltstack): Cast pointers to uptr for 64-bit syscalls.

From-SVN: r204480

libsanitizer/ChangeLog

+2013-11-05  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR sanitizer/59018
+	* sanitizer_common/sanitizer_linux.cc (internal_mmap,
+	internal_munmap, internal_open, internal_read, internal_write,
+	internal_stat, internal_lstat, internal_fstat, internal_readlink,
+	internal_unlink, internal_execve, NanoTime, BlockingMutex::Lock,
+	BlockingMutex::Unlock, internal_ptrace, internal_getdents,
+	internal_sigaltstack): Cast pointers to uptr for 64-bit syscalls.
+
 2013-11-04  Kostya Serebryany  <kcc@google.com>
 
 	* All source files: Merge from upstream r191666.

libsanitizer/sanitizer_common/sanitizer_linux.cc

@@ -77,14 +77,14 @@ namespace __sanitizer {
 uptr internal_mmap(void *addr, uptr length, int prot, int flags,
                     int fd, u64 offset) {
 #if SANITIZER_LINUX_USES_64BIT_SYSCALLS
-  return internal_syscall(__NR_mmap, addr, length, prot, flags, fd, offset);
+  return internal_syscall(__NR_mmap, (uptr)addr, length, prot, flags, fd, offset);
 #else
   return internal_syscall(__NR_mmap2, addr, length, prot, flags, fd, offset);
 #endif
 }
 
 uptr internal_munmap(void *addr, uptr length) {
-  return internal_syscall(__NR_munmap, addr, length);
+  return internal_syscall(__NR_munmap, (uptr)addr, length);
 }
 
 uptr internal_close(fd_t fd) {
@@ -92,11 +92,11 @@ uptr internal_close(fd_t fd) {
 }
 
 uptr internal_open(const char *filename, int flags) {
-  return internal_syscall(__NR_open, filename, flags);
+  return internal_syscall(__NR_open, (uptr)filename, flags);
 }
 
 uptr internal_open(const char *filename, int flags, u32 mode) {
-  return internal_syscall(__NR_open, filename, flags, mode);
+  return internal_syscall(__NR_open, (uptr)filename, flags, mode);
 }
 
 uptr OpenFile(const char *filename, bool write) {
@@ -106,13 +106,13 @@ uptr OpenFile(const char *filename, bool write) {
 
 uptr internal_read(fd_t fd, void *buf, uptr count) {
   sptr res;
-  HANDLE_EINTR(res, (sptr)internal_syscall(__NR_read, fd, buf, count));
+  HANDLE_EINTR(res, (sptr)internal_syscall(__NR_read, fd, (uptr)buf, count));
   return res;
 }
 
 uptr internal_write(fd_t fd, const void *buf, uptr count) {
   sptr res;
-  HANDLE_EINTR(res, (sptr)internal_syscall(__NR_write, fd, buf, count));
+  HANDLE_EINTR(res, (sptr)internal_syscall(__NR_write, fd, (uptr)buf, count));
   return res;
 }
 
@@ -138,7 +138,7 @@ static void stat64_to_stat(struct stat64 *in, struct stat *out) {
 
 uptr internal_stat(const char *path, void *buf) {
 #if SANITIZER_LINUX_USES_64BIT_SYSCALLS
-  return internal_syscall(__NR_stat, path, buf);
+  return internal_syscall(__NR_stat, (uptr)path, (uptr)buf);
 #else
   struct stat64 buf64;
   int res = internal_syscall(__NR_stat64, path, &buf64);
@@ -149,7 +149,7 @@ uptr internal_stat(const char *path, void *buf) {
 
 uptr internal_lstat(const char *path, void *buf) {
 #if SANITIZER_LINUX_USES_64BIT_SYSCALLS
-  return internal_syscall(__NR_lstat, path, buf);
+  return internal_syscall(__NR_lstat, (uptr)path, (uptr)buf);
 #else
   struct stat64 buf64;
   int res = internal_syscall(__NR_lstat64, path, &buf64);
@@ -160,7 +160,7 @@ uptr internal_lstat(const char *path, void *buf) {
 
 uptr internal_fstat(fd_t fd, void *buf) {
 #if SANITIZER_LINUX_USES_64BIT_SYSCALLS
-  return internal_syscall(__NR_fstat, fd, buf);
+  return internal_syscall(__NR_fstat, fd, (uptr)buf);
 #else
   struct stat64 buf64;
   int res = internal_syscall(__NR_fstat64, fd, &buf64);
@@ -181,11 +181,11 @@ uptr internal_dup2(int oldfd, int newfd) {
 }
 
 uptr internal_readlink(const char *path, char *buf, uptr bufsize) {
-  return internal_syscall(__NR_readlink, path, buf, bufsize);
+  return internal_syscall(__NR_readlink, (uptr)path, (uptr)buf, bufsize);
 }
 
 uptr internal_unlink(const char *path) {
-  return internal_syscall(__NR_unlink, path);
+  return internal_syscall(__NR_unlink, (uptr)path);
 }
 
 uptr internal_sched_yield() {
@@ -199,7 +199,7 @@ void internal__exit(int exitcode) {
 
 uptr internal_execve(const char *filename, char *const argv[],
                      char *const envp[]) {
-  return internal_syscall(__NR_execve, filename, argv, envp);
+  return internal_syscall(__NR_execve, (uptr)filename, (uptr)argv, (uptr)envp);
 }
 
 // ----------------- sanitizer_common.h
@@ -217,7 +217,7 @@ uptr GetTid() {
 
 u64 NanoTime() {
   kernel_timeval tv = {};
-  internal_syscall(__NR_gettimeofday, &tv, 0);
+  internal_syscall(__NR_gettimeofday, (uptr)&tv, 0);
   return (u64)tv.tv_sec * 1000*1000*1000 + tv.tv_usec * 1000;
 }
 
@@ -539,7 +539,7 @@ void BlockingMutex::Lock() {
   if (atomic_exchange(m, MtxLocked, memory_order_acquire) == MtxUnlocked)
     return;
   while (atomic_exchange(m, MtxSleeping, memory_order_acquire) != MtxUnlocked)
-    internal_syscall(__NR_futex, m, FUTEX_WAIT, MtxSleeping, 0, 0, 0);
+    internal_syscall(__NR_futex, (uptr)m, FUTEX_WAIT, MtxSleeping, 0, 0, 0);
 }
 
 void BlockingMutex::Unlock() {
@@ -547,7 +547,7 @@ void BlockingMutex::Unlock() {
   u32 v = atomic_exchange(m, MtxUnlocked, memory_order_relaxed);
   CHECK_NE(v, MtxUnlocked);
   if (v == MtxSleeping)
-    internal_syscall(__NR_futex, m, FUTEX_WAKE, 1, 0, 0, 0);
+    internal_syscall(__NR_futex, (uptr)m, FUTEX_WAKE, 1, 0, 0, 0);
 }
 
 void BlockingMutex::CheckLocked() {
@@ -568,11 +568,11 @@ struct linux_dirent {
 
 // Syscall wrappers.
 uptr internal_ptrace(int request, int pid, void *addr, void *data) {
-  return internal_syscall(__NR_ptrace, request, pid, addr, data);
+  return internal_syscall(__NR_ptrace, request, pid, (uptr)addr, (uptr)data);
 }
 
 uptr internal_waitpid(int pid, int *status, int options) {
-  return internal_syscall(__NR_wait4, pid, status, options, 0 /* rusage */);
+  return internal_syscall(__NR_wait4, pid, (uptr)status, options, 0 /* rusage */);
 }
 
 uptr internal_getpid() {
@@ -584,7 +584,7 @@ uptr internal_getppid() {
 }
 
 uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count) {
-  return internal_syscall(__NR_getdents, fd, dirp, count);
+  return internal_syscall(__NR_getdents, fd, (uptr)dirp, count);
 }
 
 uptr internal_lseek(fd_t fd, OFF_T offset, int whence) {
@@ -597,7 +597,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {
 
 uptr internal_sigaltstack(const struct sigaltstack *ss,
                          struct sigaltstack *oss) {
-  return internal_syscall(__NR_sigaltstack, ss, oss);
+  return internal_syscall(__NR_sigaltstack, (uptr)ss, (uptr)oss);
 }
 
 // ThreadLister implementation.