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author | H.J. Lu <hongjiu.lu@intel.com> | 2013-11-06 21:49:36 +0000 |
---|---|---|
committer | H.J. Lu <hjl@gcc.gnu.org> | 2013-11-06 13:49:36 -0800 |
commit | 38693e39b6de02d0e868e18a73de39e62fee3936 (patch) | |
tree | 9f673c770c0056fd051200261678d64649b1e506 /libsanitizer | |
parent | e2baa574d5c09d9425fafaca92c7a287403a7d0b (diff) | |
download | gcc-38693e39b6de02d0e868e18a73de39e62fee3936.zip gcc-38693e39b6de02d0e868e18a73de39e62fee3936.tar.gz gcc-38693e39b6de02d0e868e18a73de39e62fee3936.tar.bz2 |
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
Diffstat (limited to 'libsanitizer')
-rw-r--r-- | libsanitizer/ChangeLog | 10 | ||||
-rw-r--r-- | libsanitizer/sanitizer_common/sanitizer_linux.cc | 38 |
2 files changed, 29 insertions, 19 deletions
diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog index c7871e3..b874b13 100644 --- a/libsanitizer/ChangeLog +++ b/libsanitizer/ChangeLog @@ -1,3 +1,13 @@ +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. diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc index 666f15b..e48bee5 100644 --- a/libsanitizer/sanitizer_common/sanitizer_linux.cc +++ b/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. |