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make SectionKind be a first-class pod struct instead of just

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an enum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77096 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-07-25 23:21:55 +00:00
parent 7d509134dc
commit 460d51e0c0
10 changed files with 87 additions and 70 deletions
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49
include/llvm/Target/TargetAsmInfo.h
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@@ -31,7 +31,9 @@ namespace llvm {
};
}
namespace SectionKind {
/// SectionKind - This is a simple POD value that classifies the properties of
/// a section.
struct SectionKind {
enum Kind {
Unknown = 0, ///< Custom section.
Text, ///< Text section.
@@ -53,9 +55,12 @@ namespace llvm {
/// Thread local data.
ThreadData, ///< Initialized TLS data objects
ThreadBSS ///< Uninitialized TLS data objects
};
} K; // This is private.
// FIXME: Eliminate.
Kind getKind() const { return K; }
static inline bool isReadOnly(Kind K) {
bool isReadOnly() const {
return (K == SectionKind::ROData ||
K == SectionKind::DataRelRO ||
K == SectionKind::DataRelROLocal ||
@@ -63,20 +68,20 @@ namespace llvm {
K == SectionKind::RODataMergeStr);
}
static inline bool isBSS(Kind K) {
bool isBSS() const {
return K == BSS || K == ThreadBSS;
}
static inline bool isTLS(Kind K) {
bool isTLS() const {
return K == ThreadData || K == ThreadBSS;
}
static inline bool isCode(Kind K) {
bool isCode() const {
return K == Text;
}
static inline bool isWritable(Kind K) {
return isTLS(K) ||
bool isWritable() const {
return isTLS() ||
K == SectionKind::Data ||
K == SectionKind::DataRel ||
K == SectionKind::DataRelLocal ||
@@ -84,7 +89,24 @@ namespace llvm {
K == SectionKind::DataRelROLocal ||
K == SectionKind::BSS;
}
}
static SectionKind get(Kind K) {
SectionKind Res = { K };
return Res;
}
static SectionKind getText() { return get(Text); }
static SectionKind getBSS() { return get(BSS); }
static SectionKind getData() { return get(Data); }
static SectionKind getDataRel() { return get(DataRel); }
static SectionKind getDataRelLocal() { return get(DataRelLocal); }
static SectionKind getROData() { return get(ROData); }
static SectionKind getDataRelRO() { return get(DataRelRO); }
static SectionKind getDataRelROLocal() { return get(DataRelROLocal); }
static SectionKind getRODataMergeStr() { return get(RODataMergeStr); }
static SectionKind getRODataMergeConst() { return get(RODataMergeConst); }
static SectionKind getThreadData() { return get(ThreadData); }
static SectionKind getThreadBSS() { return get(ThreadBSS); }
};
namespace SectionFlags {
const unsigned Invalid = -1U;
@@ -109,8 +131,9 @@ namespace llvm {
return (Flags >> 24) & 0xFF;
}
// FIXME: Why does this return a value?
static inline unsigned setEntitySize(unsigned Flags, unsigned Size) {
return ((Flags & ~EntitySize) | ((Size & 0xFF) << 24));
return (Flags & ~EntitySize) | ((Size & 0xFF) << 24);
}
struct KeyInfo {
@@ -604,7 +627,7 @@ namespace llvm {
/// global. This is important for globals that need to be merged across
/// translation units.
virtual const char *
getSectionPrefixForUniqueGlobal(SectionKind::Kind Kind) const {
getSectionPrefixForUniqueGlobal(SectionKind Kind) const {
return 0;
}
@@ -628,7 +651,7 @@ namespace llvm {
/// getFlagsForNamedSection.
virtual const Section *
getSpecialCasedSectionGlobals(const GlobalValue *GV,
SectionKind::Kind Kind) const{
SectionKind Kind) const {
return 0;
}
@@ -637,7 +660,7 @@ namespace llvm {
// FIXME: Eliminate this.
virtual const Section* SelectSectionForGlobal(const GlobalValue *GV,
SectionKind::Kind Kind) const;
SectionKind Kind) const;
/// getSLEB128Size - Compute the number of bytes required for a signed
/// leb128 value.