[compiler-rt] r263218 - [Sanitizer][MIPS] internal lstat and fstat for mips64

[Mohit K. Bhakkad via llvm-commits]

Author: mohit.bhakkad
Date: Fri Mar 11 04:51:03 2016
New Revision: 263218

URL: http://llvm.org/viewvc/llvm-project?rev=263218&view=rev
Log:
[Sanitizer][MIPS] internal lstat and fstat for mips64

Reviewers: dvyukov

Subscribers: jaydeep, sagar, llvm-commits

Differential Revision: http://reviews.llvm.org/D18078

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux.cc?rev=263218&r1=263217&r2=263218&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_linux.cc Fri Mar 11 04:51:03 2016
@@ -244,7 +244,15 @@ uptr internal_lstat(const char *path, vo
   return internal_syscall(SYSCALL(newfstatat), AT_FDCWD, (uptr)path,
                          (uptr)buf, AT_SYMLINK_NOFOLLOW);
 #elif SANITIZER_LINUX_USES_64BIT_SYSCALLS
+# if SANITIZER_MIPS64
+  // For mips64, lstat syscall fills buffer in the format of kernel_stat
+  struct kernel_stat kbuf;
+  int res = internal_syscall(SYSCALL(lstat), path, &kbuf);
+  kernel_stat_to_stat(&kbuf, (struct stat *)buf);
+  return res;
+# else
   return internal_syscall(SYSCALL(lstat), (uptr)path, (uptr)buf);
+# endif
 #else
   struct stat64 buf64;
   int res = internal_syscall(SYSCALL(lstat64), path, &buf64);
@@ -255,7 +263,15 @@ uptr internal_lstat(const char *path, vo
 
 uptr internal_fstat(fd_t fd, void *buf) {
 #if SANITIZER_FREEBSD || SANITIZER_LINUX_USES_64BIT_SYSCALLS
+# if SANITIZER_MIPS64
+  // For mips64, fstat syscall fills buffer in the format of kernel_stat
+  struct kernel_stat kbuf;
+  int res = internal_syscall(SYSCALL(fstat), fd, &kbuf);
+  kernel_stat_to_stat(&kbuf, (struct stat *)buf);
+  return res;
+# else
   return internal_syscall(SYSCALL(fstat), fd, (uptr)buf);
+# endif
 #else
   struct stat64 buf64;
   int res = internal_syscall(SYSCALL(fstat64), fd, &buf64);