1 files changed, 59 insertions, 0 deletions
diff --git a/lib/msan/msan_platform_limits_posix.cc b/lib/msan/msan_platform_limits_posix.cc
new file mode 100644
index 000000000000..19d6c5d0ab3f
--- /dev/null
+++ b/lib/msan/msan_platform_limits_posix.cc
@@ -0,0 +1,59 @@
+//===-- msan_platform_limits.cc -------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of MemorySanitizer.
+//
+// Sizes and layouts of platform-specific POSIX data structures.
+//===----------------------------------------------------------------------===//
+
+#ifdef __linux__
+
+#include "msan.h"
+#include "msan_platform_limits_posix.h"
+
+#include <sys/utsname.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/vfs.h>
+#include <sys/epoll.h>
+#include <sys/socket.h>
+#include <dirent.h>
+
+namespace __msan {
+  unsigned struct_utsname_sz = sizeof(struct utsname);
+  unsigned struct_stat_sz = sizeof(struct stat);
+  unsigned struct_stat64_sz = sizeof(struct stat64);
+  unsigned struct_rlimit_sz = sizeof(struct rlimit);
+  unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
+  unsigned struct_dirent_sz = sizeof(struct dirent);
+  unsigned struct_statfs_sz = sizeof(struct statfs);
+  unsigned struct_statfs64_sz = sizeof(struct statfs64);
+  unsigned struct_epoll_event_sz = sizeof(struct epoll_event);
+  unsigned struct_rusage_sz = sizeof(struct rusage);
+
+  void* __msan_get_msghdr_iov_iov_base(void* msg, int idx) {
+    return ((struct msghdr *)msg)->msg_iov[idx].iov_base;
+  }
+
+  uptr __msan_get_msghdr_iov_iov_len(void* msg, int idx) {
+    return ((struct msghdr *)msg)->msg_iov[idx].iov_len;
+  }
+
+  uptr __msan_get_msghdr_iovlen(void* msg) {
+    return ((struct msghdr *)msg)->msg_iovlen;
+  }
+
+  uptr __msan_get_socklen_t(void* socklen_ptr) {
+    return *(socklen_t*)socklen_ptr;
+  }
+}
+
+#endif  // __linux__