Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/MC/SectionKind.h b/linux-x64/clang/include/llvm/MC/SectionKind.h
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+//===-- llvm/MC/SectionKind.h - Classification of sections ------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_SECTIONKIND_H
+#define LLVM_MC_SECTIONKIND_H
+
+namespace llvm {
+
+/// SectionKind - This is a simple POD value that classifies the properties of
+/// a section. A section is classified into the deepest possible
+/// classification, and then the target maps them onto their sections based on
+/// what capabilities they have.
+///
+/// The comments below describe these as if they were an inheritance hierarchy
+/// in order to explain the predicates below.
+///
+class SectionKind {
+ enum Kind {
+ /// Metadata - Debug info sections or other metadata.
+ Metadata,
+
+ /// Text - Text section, used for functions and other executable code.
+ Text,
+
+ /// ExecuteOnly, Text section that is not readable.
+ ExecuteOnly,
+
+ /// ReadOnly - Data that is never written to at program runtime by the
+ /// program or the dynamic linker. Things in the top-level readonly
+ /// SectionKind are not mergeable.
+ ReadOnly,
+
+ /// MergableCString - Any null-terminated string which allows merging.
+ /// These values are known to end in a nul value of the specified size,
+ /// not otherwise contain a nul value, and be mergable. This allows the
+ /// linker to unique the strings if it so desires.
+
+ /// Mergeable1ByteCString - 1 byte mergable, null terminated, string.
+ Mergeable1ByteCString,
+
+ /// Mergeable2ByteCString - 2 byte mergable, null terminated, string.
+ Mergeable2ByteCString,
+
+ /// Mergeable4ByteCString - 4 byte mergable, null terminated, string.
+ Mergeable4ByteCString,
+
+ /// MergeableConst - These are sections for merging fixed-length
+ /// constants together. For example, this can be used to unique
+ /// constant pool entries etc.
+
+ /// MergeableConst4 - This is a section used by 4-byte constants,
+ /// for example, floats.
+ MergeableConst4,
+
+ /// MergeableConst8 - This is a section used by 8-byte constants,
+ /// for example, doubles.
+ MergeableConst8,
+
+ /// MergeableConst16 - This is a section used by 16-byte constants,
+ /// for example, vectors.
+ MergeableConst16,
+
+ /// MergeableConst32 - This is a section used by 32-byte constants,
+ /// for example, vectors.
+ MergeableConst32,
+
+ /// Writeable - This is the base of all segments that need to be written
+ /// to during program runtime.
+
+ /// ThreadLocal - This is the base of all TLS segments. All TLS
+ /// objects must be writeable, otherwise there is no reason for them to
+ /// be thread local!
+
+ /// ThreadBSS - Zero-initialized TLS data objects.
+ ThreadBSS,
+
+ /// ThreadData - Initialized TLS data objects.
+ ThreadData,
+
+ /// GlobalWriteableData - Writeable data that is global (not thread
+ /// local).
+
+ /// BSS - Zero initialized writeable data.
+ BSS,
+
+ /// BSSLocal - This is BSS (zero initialized and writable) data
+ /// which has local linkage.
+ BSSLocal,
+
+ /// BSSExtern - This is BSS data with normal external linkage.
+ BSSExtern,
+
+ /// Common - Data with common linkage. These represent tentative
+ /// definitions, which always have a zero initializer and are never
+ /// marked 'constant'.
+ Common,
+
+ /// This is writeable data that has a non-zero initializer.
+ Data,
+
+ /// ReadOnlyWithRel - These are global variables that are never
+ /// written to by the program, but that have relocations, so they
+ /// must be stuck in a writeable section so that the dynamic linker
+ /// can write to them. If it chooses to, the dynamic linker can
+ /// mark the pages these globals end up on as read-only after it is
+ /// done with its relocation phase.
+ ReadOnlyWithRel
+ } K : 8;
+public:
+
+ bool isMetadata() const { return K == Metadata; }
+
+ bool isText() const { return K == Text || K == ExecuteOnly; }
+
+ bool isExecuteOnly() const { return K == ExecuteOnly; }
+
+ bool isReadOnly() const {
+ return K == ReadOnly || isMergeableCString() ||
+ isMergeableConst();
+ }
+
+ bool isMergeableCString() const {
+ return K == Mergeable1ByteCString || K == Mergeable2ByteCString ||
+ K == Mergeable4ByteCString;
+ }
+ bool isMergeable1ByteCString() const { return K == Mergeable1ByteCString; }
+ bool isMergeable2ByteCString() const { return K == Mergeable2ByteCString; }
+ bool isMergeable4ByteCString() const { return K == Mergeable4ByteCString; }
+
+ bool isMergeableConst() const {
+ return K == MergeableConst4 || K == MergeableConst8 ||
+ K == MergeableConst16 || K == MergeableConst32;
+ }
+ bool isMergeableConst4() const { return K == MergeableConst4; }
+ bool isMergeableConst8() const { return K == MergeableConst8; }
+ bool isMergeableConst16() const { return K == MergeableConst16; }
+ bool isMergeableConst32() const { return K == MergeableConst32; }
+
+ bool isWriteable() const {
+ return isThreadLocal() || isGlobalWriteableData();
+ }
+
+ bool isThreadLocal() const {
+ return K == ThreadData || K == ThreadBSS;
+ }
+
+ bool isThreadBSS() const { return K == ThreadBSS; }
+ bool isThreadData() const { return K == ThreadData; }
+
+ bool isGlobalWriteableData() const {
+ return isBSS() || isCommon() || isData() || isReadOnlyWithRel();
+ }
+
+ bool isBSS() const { return K == BSS || K == BSSLocal || K == BSSExtern; }
+ bool isBSSLocal() const { return K == BSSLocal; }
+ bool isBSSExtern() const { return K == BSSExtern; }
+
+ bool isCommon() const { return K == Common; }
+
+ bool isData() const { return K == Data; }
+
+ bool isReadOnlyWithRel() const {
+ return K == ReadOnlyWithRel;
+ }
+private:
+ static SectionKind get(Kind K) {
+ SectionKind Res;
+ Res.K = K;
+ return Res;
+ }
+public:
+
+ static SectionKind getMetadata() { return get(Metadata); }
+ static SectionKind getText() { return get(Text); }
+ static SectionKind getExecuteOnly() { return get(ExecuteOnly); }
+ static SectionKind getReadOnly() { return get(ReadOnly); }
+ static SectionKind getMergeable1ByteCString() {
+ return get(Mergeable1ByteCString);
+ }
+ static SectionKind getMergeable2ByteCString() {
+ return get(Mergeable2ByteCString);
+ }
+ static SectionKind getMergeable4ByteCString() {
+ return get(Mergeable4ByteCString);
+ }
+ static SectionKind getMergeableConst4() { return get(MergeableConst4); }
+ static SectionKind getMergeableConst8() { return get(MergeableConst8); }
+ static SectionKind getMergeableConst16() { return get(MergeableConst16); }
+ static SectionKind getMergeableConst32() { return get(MergeableConst32); }
+ static SectionKind getThreadBSS() { return get(ThreadBSS); }
+ static SectionKind getThreadData() { return get(ThreadData); }
+ static SectionKind getBSS() { return get(BSS); }
+ static SectionKind getBSSLocal() { return get(BSSLocal); }
+ static SectionKind getBSSExtern() { return get(BSSExtern); }
+ static SectionKind getCommon() { return get(Common); }
+ static SectionKind getData() { return get(Data); }
+ static SectionKind getReadOnlyWithRel() { return get(ReadOnlyWithRel); }
+};
+
+} // end namespace llvm
+
+#endif