Mangler *Mang) const;
- virtual const Section *
- getSectionForMergableConstant(uint64_t Size, unsigned ReloInfo) const;
+ virtual const Section *getSectionForMergableConstant(SectionKind Kind)const;
private:
const Section* MergeableStringSection(const GlobalVariable *GV) const;
/// specified size and relocation information, return a section that it
/// should be placed in.
virtual const Section *
- getSectionForMergableConstant(uint64_t Size, unsigned ReloInfo) const;
+ getSectionForMergableConstant(SectionKind Kind) const;
/// getFlagsForNamedSection - If this target wants to be able to infer
/// section flags based on the name of the section specified for a global
/// getSectionForMergableConstant - Given a mergable constant with the
/// specified size and relocation information, return a section that it
/// should be placed in.
- virtual const Section *
- getSectionForMergableConstant(uint64_t Size, unsigned ReloInfo) const;
+ virtual const Section *getSectionForMergableConstant(SectionKind Kind)const;
/// getSectionPrefixForUniqueGlobal - Return a string that we should prepend
const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
if (CP.empty()) return;
- const TargetData &TD = *TM.getTargetData();
-
// Calculate sections for constant pool entries. We collect entries to go into
// the same section together to reduce amount of section switch statements.
SmallVector<SectionCPs, 4> CPSections;
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
const MachineConstantPoolEntry &CPE = CP[i];
unsigned Align = CPE.getAlignment();
- uint64_t Size = TD.getTypeAllocSize(CPE.getType());
- const Section *S =
- TAI->getSectionForMergableConstant(Size, CPE.getRelocationInfo());
+
+ SectionKind Kind;
+ switch (CPE.getRelocationInfo()) {
+ default: llvm_unreachable("Unknown section kind");
+ case 2: Kind = SectionKind::getReadOnlyWithRel(); break;
+ case 1: Kind = SectionKind::getReadOnlyWithRelLocal(); break;
+ case 0:
+ switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) {
+ case 4: Kind = SectionKind::getMergableConst4(); break;
+ case 8: Kind = SectionKind::getMergableConst8(); break;
+ case 16: Kind = SectionKind::getMergableConst16(); break;
+ default: Kind = SectionKind::getMergableConst(); break;
+ }
+ }
+
+ const Section *S = TAI->getSectionForMergableConstant(Kind);
// The number of sections are small, just do a linear search from the
// last section to the first.
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "elfwriter"
-
#include "ELF.h"
#include "ELFWriter.h"
#include "ELFCodeEmitter.h"
// Get a constant pool section based on the section name returned by TAI
ELFSection &ELFWriter::getConstantPoolSection(MachineConstantPoolEntry &CPE) {
- uint64_t Size = TM.getTargetData()->getTypeAllocSize(CPE.getType());
+ SectionKind Kind;
+ switch (CPE.getRelocationInfo()) {
+ default: llvm_unreachable("Unknown section kind");
+ case 2: Kind = SectionKind::getReadOnlyWithRel(); break;
+ case 1: Kind = SectionKind::getReadOnlyWithRelLocal(); break;
+ case 0:
+ switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) {
+ case 4: Kind = SectionKind::getMergableConst4(); break;
+ case 8: Kind = SectionKind::getMergableConst8(); break;
+ case 16: Kind = SectionKind::getMergableConst16(); break;
+ default: Kind = SectionKind::getMergableConst(); break;
+ }
+ }
- std::string CstPoolName =
- TAI->getSectionForMergableConstant(Size,CPE.getRelocationInfo())->getName();
+ std::string CstPoolName = TAI->getSectionForMergableConstant(Kind)->getName();
return getSection(CstPoolName,
ELFSection::SHT_PROGBITS,
ELFSection::SHF_MERGE | ELFSection::SHF_ALLOC,
}
const Section *
-DarwinTargetAsmInfo::getSectionForMergableConstant(uint64_t Size,
- unsigned ReloInfo) const {
+DarwinTargetAsmInfo::getSectionForMergableConstant(SectionKind Kind) const {
// If this constant requires a relocation, we have to put it in the data
// segment, not in the text segment.
- if (ReloInfo != 0)
+ if (Kind.isDataRel())
return ConstDataSection;
- switch (Size) {
- default: break;
- case 4:
+ if (Kind.isMergableConst4())
return FourByteConstantSection;
- case 8:
+ if (Kind.isMergableConst8())
return EightByteConstantSection;
- case 16:
- if (SixteenByteConstantSection)
- return SixteenByteConstantSection;
- break;
- }
-
+ if (Kind.isMergableConst16() && SixteenByteConstantSection)
+ return SixteenByteConstantSection;
return ReadOnlySection; // .const
}
/// specified size and relocation information, return a section that it
/// should be placed in.
const Section *
-ELFTargetAsmInfo::getSectionForMergableConstant(uint64_t Size,
- unsigned ReloInfo) const {
- // If this constant pool entry has relocations, stick it into a relocatable
- // section.
- if (ReloInfo == 2)
- return DataRelROSection;
- if (ReloInfo == 1)
- return DataRelROLocalSection;
-
- switch (Size) {
- default: return ReadOnlySection; // .rodata
- case 4: return MergableConst4Section;
- case 8: return MergableConst8Section;
- case 16: return MergableConst16Section;
- }
+ELFTargetAsmInfo::getSectionForMergableConstant(SectionKind Kind) const {
+ return SelectSectionForGlobal(0, Kind);
}
/// getFlagsForNamedSection - If this target wants to be able to infer
/// specified size and relocation information, return a section that it
/// should be placed in.
const Section *
-TargetAsmInfo::getSectionForMergableConstant(uint64_t Size,
- unsigned ReloInfo) const {
- if (ReloInfo == 0)
+TargetAsmInfo::getSectionForMergableConstant(SectionKind Kind) const {
+ if (Kind.isReadOnly())
if (const Section *S = getReadOnlySection())
return S;