1 files changed, 112 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_platform_mac.cc b/lib/tsan/rtl/tsan_platform_mac.cc
new file mode 100644
index 000000000000..7451492744f2
--- /dev/null
+++ b/lib/tsan/rtl/tsan_platform_mac.cc
@@ -0,0 +1,112 @@
+//===-- tsan_platform_mac.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 ThreadSanitizer (TSan), a race detector.
+//
+// Mac-specific code.
+//===----------------------------------------------------------------------===//
+
+#ifdef __APPLE__
+
+#include "sanitizer_common/sanitizer_common.h"
+#include "sanitizer_common/sanitizer_libc.h"
+#include "sanitizer_common/sanitizer_procmaps.h"
+#include "tsan_platform.h"
+#include "tsan_rtl.h"
+#include "tsan_flags.h"
+
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sched.h>
+
+namespace __sanitizer {
+
+void Die() {
+  _exit(1);
+}
+
+}  // namespace __sanitizer
+
+namespace __tsan {
+
+ScopedInRtl::ScopedInRtl() {
+}
+
+ScopedInRtl::~ScopedInRtl() {
+}
+
+uptr GetShadowMemoryConsumption() {
+  return 0;
+}
+
+void FlushShadowMemory() {
+}
+
+void InitializeShadowMemory() {
+  uptr shadow = (uptr)MmapFixedNoReserve(kLinuxShadowBeg,
+    kLinuxShadowEnd - kLinuxShadowBeg);
+  if (shadow != kLinuxShadowBeg) {
+    TsanPrintf("FATAL: ThreadSanitizer can not mmap the shadow memory\n");
+    TsanPrintf("FATAL: Make sure to compile with -fPIE and "
+               "to link with -pie.\n");
+    Die();
+  }
+  DPrintf("kLinuxShadow %zx-%zx (%zuGB)\n",
+      kLinuxShadowBeg, kLinuxShadowEnd,
+      (kLinuxShadowEnd - kLinuxShadowBeg) >> 30);
+  DPrintf("kLinuxAppMem %zx-%zx (%zuGB)\n",
+      kLinuxAppMemBeg, kLinuxAppMemEnd,
+      (kLinuxAppMemEnd - kLinuxAppMemBeg) >> 30);
+}
+
+const char *InitializePlatform() {
+  void *p = 0;
+  if (sizeof(p) == 8) {
+    // Disable core dumps, dumping of 16TB usually takes a bit long.
+    // The following magic is to prevent clang from replacing it with memset.
+    volatile rlimit lim;
+    lim.rlim_cur = 0;
+    lim.rlim_max = 0;
+    setrlimit(RLIMIT_CORE, (rlimit*)&lim);
+  }
+
+  return getenv("TSAN_OPTIONS");
+}
+
+void FinalizePlatform() {
+  fflush(0);
+}
+
+uptr GetTlsSize() {
+  return 0;
+}
+
+void GetThreadStackAndTls(bool main, uptr *stk_addr, uptr *stk_size,
+                          uptr *tls_addr, uptr *tls_size) {
+  *stk_addr = 0;
+  *stk_size = 0;
+  *tls_addr = 0;
+  *tls_size = 0;
+}
+
+}  // namespace __tsan
+
+#endif  // #ifdef __APPLE__