Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Support/Win64EH.h b/linux-x64/clang/include/llvm/Support/Win64EH.h
new file mode 100644
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+++ b/linux-x64/clang/include/llvm/Support/Win64EH.h
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+//===-- llvm/Support/Win64EH.h ---Win64 EH Constants-------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains constants and structures used for implementing
+// exception handling on Win64 platforms. For more information, see
+// http://msdn.microsoft.com/en-us/library/1eyas8tf.aspx
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_WIN64EH_H
+#define LLVM_SUPPORT_WIN64EH_H
+
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/Endian.h"
+
+namespace llvm {
+namespace Win64EH {
+
+/// UnwindOpcodes - Enumeration whose values specify a single operation in
+/// the prolog of a function.
+enum UnwindOpcodes {
+ UOP_PushNonVol = 0,
+ UOP_AllocLarge,
+ UOP_AllocSmall,
+ UOP_SetFPReg,
+ UOP_SaveNonVol,
+ UOP_SaveNonVolBig,
+ UOP_SaveXMM128 = 8,
+ UOP_SaveXMM128Big,
+ UOP_PushMachFrame
+};
+
+/// UnwindCode - This union describes a single operation in a function prolog,
+/// or part thereof.
+union UnwindCode {
+ struct {
+ uint8_t CodeOffset;
+ uint8_t UnwindOpAndOpInfo;
+ } u;
+ support::ulittle16_t FrameOffset;
+
+ uint8_t getUnwindOp() const {
+ return u.UnwindOpAndOpInfo & 0x0F;
+ }
+ uint8_t getOpInfo() const {
+ return (u.UnwindOpAndOpInfo >> 4) & 0x0F;
+ }
+};
+
+enum {
+ /// UNW_ExceptionHandler - Specifies that this function has an exception
+ /// handler.
+ UNW_ExceptionHandler = 0x01,
+ /// UNW_TerminateHandler - Specifies that this function has a termination
+ /// handler.
+ UNW_TerminateHandler = 0x02,
+ /// UNW_ChainInfo - Specifies that this UnwindInfo structure is chained to
+ /// another one.
+ UNW_ChainInfo = 0x04
+};
+
+/// RuntimeFunction - An entry in the table of functions with unwind info.
+struct RuntimeFunction {
+ support::ulittle32_t StartAddress;
+ support::ulittle32_t EndAddress;
+ support::ulittle32_t UnwindInfoOffset;
+};
+
+/// UnwindInfo - An entry in the exception table.
+struct UnwindInfo {
+ uint8_t VersionAndFlags;
+ uint8_t PrologSize;
+ uint8_t NumCodes;
+ uint8_t FrameRegisterAndOffset;
+ UnwindCode UnwindCodes[1];
+
+ uint8_t getVersion() const {
+ return VersionAndFlags & 0x07;
+ }
+ uint8_t getFlags() const {
+ return (VersionAndFlags >> 3) & 0x1f;
+ }
+ uint8_t getFrameRegister() const {
+ return FrameRegisterAndOffset & 0x0f;
+ }
+ uint8_t getFrameOffset() const {
+ return (FrameRegisterAndOffset >> 4) & 0x0f;
+ }
+
+ // The data after unwindCodes depends on flags.
+ // If UNW_ExceptionHandler or UNW_TerminateHandler is set then follows
+ // the address of the language-specific exception handler.
+ // If UNW_ChainInfo is set then follows a RuntimeFunction which defines
+ // the chained unwind info.
+ // For more information please see MSDN at:
+ // http://msdn.microsoft.com/en-us/library/ddssxxy8.aspx
+
+ /// \brief Return pointer to language specific data part of UnwindInfo.
+ void *getLanguageSpecificData() {
+ return reinterpret_cast<void *>(&UnwindCodes[(NumCodes+1) & ~1]);
+ }
+
+ /// \brief Return pointer to language specific data part of UnwindInfo.
+ const void *getLanguageSpecificData() const {
+ return reinterpret_cast<const void *>(&UnwindCodes[(NumCodes + 1) & ~1]);
+ }
+
+ /// \brief Return image-relative offset of language-specific exception handler.
+ uint32_t getLanguageSpecificHandlerOffset() const {
+ return *reinterpret_cast<const support::ulittle32_t *>(
+ getLanguageSpecificData());
+ }
+
+ /// \brief Set image-relative offset of language-specific exception handler.
+ void setLanguageSpecificHandlerOffset(uint32_t offset) {
+ *reinterpret_cast<support::ulittle32_t *>(getLanguageSpecificData()) =
+ offset;
+ }
+
+ /// \brief Return pointer to exception-specific data.
+ void *getExceptionData() {
+ return reinterpret_cast<void *>(reinterpret_cast<uint32_t *>(
+ getLanguageSpecificData())+1);
+ }
+
+ /// \brief Return pointer to chained unwind info.
+ RuntimeFunction *getChainedFunctionEntry() {
+ return reinterpret_cast<RuntimeFunction *>(getLanguageSpecificData());
+ }
+
+ /// \brief Return pointer to chained unwind info.
+ const RuntimeFunction *getChainedFunctionEntry() const {
+ return reinterpret_cast<const RuntimeFunction *>(getLanguageSpecificData());
+ }
+};
+
+
+} // End of namespace Win64EH
+} // End of namespace llvm
+
+#endif