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Remove duplicated info on what .text, .data and .bss look like.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199951 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-01-23 22:49:25 +00:00
parent 7772f9af13
commit e0fd567df0
5 changed files with 15 additions and 45 deletions
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3
include/llvm/MC/MCELFStreamer.h
View File

@ -108,9 +108,6 @@ private:
SmallPtrSet<MCSymbol *, 16> BindingExplicitlySet;
void SetSection(StringRef Section, unsigned Type, unsigned Flags,
SectionKind Kind);
void SetSectionData();
void SetSectionText();
void SetSectionBss();

1
lib/CodeGen/LLVMTargetMachine.cpp
View File

@ -283,7 +283,6 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
*MAB, Out, MCE,
hasMCRelaxAll(),
hasMCNoExecStack()));
AsmStreamer.get()->InitSections();
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);

22
lib/MC/MCELFStreamer.cpp
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@ -22,6 +22,7 @@
#include "llvm/MC/MCELFSymbolFlags.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSectionELF.h"
@ -34,33 +35,18 @@
using namespace llvm;
inline void MCELFStreamer::SetSection(StringRef Section, unsigned Type,
unsigned Flags, SectionKind Kind) {
SwitchSection(getContext().getELFSection(Section, Type, Flags, Kind));
}
inline void MCELFStreamer::SetSectionData() {
SetSection(".data",
ELF::SHT_PROGBITS,
ELF::SHF_WRITE | ELF::SHF_ALLOC,
SectionKind::getDataRel());
SwitchSection(getContext().getObjectFileInfo()->getDataSection());
EmitCodeAlignment(4, 0);
}
inline void MCELFStreamer::SetSectionText() {
SetSection(".text",
ELF::SHT_PROGBITS,
ELF::SHF_EXECINSTR | ELF::SHF_ALLOC,
SectionKind::getText());
SwitchSection(getContext().getObjectFileInfo()->getTextSection());
EmitCodeAlignment(4, 0);
}
inline void MCELFStreamer::SetSectionBss() {
SetSection(".bss",
ELF::SHT_NOBITS,
ELF::SHF_WRITE | ELF::SHF_ALLOC,
SectionKind::getBSS());
SwitchSection(getContext().getObjectFileInfo()->getBSSSection());
EmitCodeAlignment(4, 0);
}

10
lib/MC/MCMachOStreamer.cpp
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@ -16,6 +16,7 @@
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCMachOSymbolFlags.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSectionMachO.h"
@ -99,10 +100,7 @@ void MCMachOStreamer::InitSections() {
}
void MCMachOStreamer::InitToTextSection() {
SwitchSection(getContext().getMachOSection(
"__TEXT", "__text",
MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS, 0,
SectionKind::getText()));
SwitchSection(getContext().getObjectFileInfo()->getTextSection());
}
void MCMachOStreamer::EmitEHSymAttributes(const MCSymbol *Symbol,
@ -335,9 +333,7 @@ void MCMachOStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
void MCMachOStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {
// '.lcomm' is equivalent to '.zerofill'.
return EmitZerofill(getContext().getMachOSection("__DATA", "__bss",
MCSectionMachO::S_ZEROFILL,
0, SectionKind::getBSS()),
return EmitZerofill(getContext().getObjectFileInfo()->getDataBSSSection(),
Symbol, Size, ByteAlignment);
}

24
lib/MC/WinCOFFStreamer.cpp
View File

@ -20,6 +20,7 @@
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSectionCOFF.h"
@ -95,25 +96,16 @@ private:
DF->getContents().append(Code.begin(), Code.end());
}
const MCSectionCOFF *getSectionText() {
return getContext().getCOFFSection(
".text", COFF::IMAGE_SCN_CNT_CODE | COFF::IMAGE_SCN_MEM_EXECUTE |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getText());
const MCSection *getSectionText() {
return getContext().getObjectFileInfo()->getTextSection();
}
const MCSectionCOFF *getSectionData() {
return getContext().getCOFFSection(
".data", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE,
SectionKind::getDataRel());
const MCSection *getSectionData() {
return getContext().getObjectFileInfo()->getDataSection();
}
const MCSectionCOFF *getSectionBSS() {
return getContext().getCOFFSection(
".bss", COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE,
SectionKind::getBSS());
const MCSection *getSectionBSS() {
return getContext().getObjectFileInfo()->getBSSSection();
}
void SetSectionText() {
@ -141,7 +133,7 @@ void WinCOFFStreamer::AddCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment, bool External) {
assert(!Symbol->isInSection() && "Symbol must not already have a section!");
const MCSectionCOFF *Section = getSectionBSS();
const MCSection *Section = getSectionBSS();
MCSectionData &SectionData = getAssembler().getOrCreateSectionData(*Section);
if (SectionData.getAlignment() < ByteAlignment)
SectionData.setAlignment(ByteAlignment);