tsan: windows platform support

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@167457 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 82 insertions, 0 deletions

diff --git a/lib/tsan/rtl/tsan_platform_windows.cc b/lib/tsan/rtl/tsan_platform_windows.cc
new file mode 100644
index 000000000..15745fb45
--- /dev/null
+++ b/lib/tsan/rtl/tsan_platform_windows.cc
@@ -0,0 +1,82 @@
+//===-- tsan_platform_windows.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.
+//
+// Windows-specific code.
+//===----------------------------------------------------------------------===//
+
+#ifdef _WIN32
+
+#include "tsan_platform.h"
+
+#include <stdlib.h>
+
+namespace __tsan {
+
+ScopedInRtl::ScopedInRtl() {
+}
+
+ScopedInRtl::~ScopedInRtl() {
+}
+
+uptr GetShadowMemoryConsumption() {
+  return 0;
+}
+
+void FlushShadowMemory() {
+}
+
+void InitializeShadowMemory() {
+/*
+  uptr shadow = (uptr)MmapFixedNoReserve(kLinuxShadowBeg,
+    kLinuxShadowEnd - kLinuxShadowBeg);
+  if (shadow != kLinuxShadowBeg) {
+    Printf("FATAL: ThreadSanitizer can not mmap the shadow memory\n");
+    Printf("FATAL: Make sure to compile with -fPIE and "
+           "to link with -pie.\n");
+    Die();
+  }
+*/
+
+  MmapFixedNoReserve(MemToShadow(kLinuxAppMemBeg), (1ull<<20) * 16 * 4);
+  MmapCommit(MemToShadow(kLinuxAppMemBeg), (1ull<<20) * 16 * 4);
+  MmapFixedNoReserve(MemToShadow(0xf840000000ull), (1ull<<20) * 4096 * 4);
+  MmapCommit(MemToShadow(0xf840000000ull), (1ull<<20) * 256 * 4);
+  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() {
+  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 _WIN32