Mac x86_64: Mach exception support

src/trusted/service_runtime/osx/mach_thread_map.h

+/*
+ * Copyright (c) 2013 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef NATIVE_CLIENT_SERVICE_RUNTIME_OSX_MACH_THREAD_MAP_H_
+#define NATIVE_CLIENT_SERVICE_RUNTIME_OSX_MACH_THREAD_MAP_H_ 1
+
+#include <mach/mach.h>
+
+#include "native_client/src/include/nacl_base.h"
+#include "native_client/src/include/nacl_compiler_annotations.h"
+
+EXTERN_C_BEGIN
+
+#if NACL_ARCH(NACL_BUILD_ARCH) != NACL_x86 || NACL_BUILD_SUBARCH != 32
+
+void NaClInitMachThreadMap(void);
+
+size_t GetNaClThreadIndexForMachThread(mach_port_t mach_thread);

[Mark Seaborn, 2013/02/14 00:37:54]

These should have "NaCl" prefixes, e.g. NaClGetThreadIndexForMachThread()

+void SetCurrentMachThreadForNaClThreadIndex(size_t nacl_thread_index);
+void ClearMachThreadForNaClThreadIndex(size_t nacl_thread_index);
+
+#else
+
+static INLINE void NaClInitMachThreadMap(void) {}
+
+static INLINE size_t GetNaClThreadIndexForMachThread(mach_port_t mach_thread) {
+  UNREFERENCED_PARAMETER(mach_thread);
+  return 0;
+}
+
+static INLINE void SetCurrentMachThreadForNaClThreadIndex(
+    size_t nacl_thread_index) {
+  UNREFERENCED_PARAMETER(nacl_thread_index);
+}
+
+static INLINE void ClearMachThreadForNaClThreadIndex(size_t nacl_thread_index) {
+  UNREFERENCED_PARAMETER(nacl_thread_index);
+}
+
+#endif
+
+EXTERN_C_END
+
+#endif  /* NATIVE_CLIENT_SERVICE_RUNTIME_OSX_MACH_THREAD_MAP_H_ */