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Move getNonexecutableStackSection up to the base ELF class.

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The .note.GNU-stack section is not SystemZ/X86 specific.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219796 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-10-15 15:44:16 +00:00
parent 18ed4acf21
commit b510f8d08c
8 changed files with 12 additions and 23 deletions
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3
include/llvm/MC/MCAsmInfoELF.h
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@ -15,6 +15,9 @@
namespace llvm { namespace llvm {
class MCAsmInfoELF : public MCAsmInfo { class MCAsmInfoELF : public MCAsmInfo {
virtual void anchor(); virtual void anchor();
const MCSection *
getNonexecutableStackSection(MCContext &Ctx) const override final;
protected: protected:
MCAsmInfoELF(); MCAsmInfoELF();
}; };

9
lib/MC/MCAsmInfoELF.cpp
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@ -13,10 +13,19 @@
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "llvm/MC/MCAsmInfoELF.h" #include "llvm/MC/MCAsmInfoELF.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/Support/ELF.h"
using namespace llvm; using namespace llvm;
void MCAsmInfoELF::anchor() { } void MCAsmInfoELF::anchor() { }
const MCSection *
MCAsmInfoELF::getNonexecutableStackSection(MCContext &Ctx) const {
return Ctx.getELFSection(".note.GNU-stack", ELF::SHT_PROGBITS,
0, SectionKind::getMetadata());
}
MCAsmInfoELF::MCAsmInfoELF() { MCAsmInfoELF::MCAsmInfoELF() {
HasIdentDirective = true; HasIdentDirective = true;
WeakRefDirective = "\t.weak\t"; WeakRefDirective = "\t.weak\t";

5
lib/Target/R600/MCTargetDesc/AMDGPUMCAsmInfo.cpp
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@ -44,8 +44,3 @@ AMDGPUMCAsmInfo::AMDGPUMCAsmInfo(StringRef &TT) : MCAsmInfoELF() {
//===--- Dwarf Emission Directives -----------------------------------===// //===--- Dwarf Emission Directives -----------------------------------===//
SupportsDebugInformation = true; SupportsDebugInformation = true;
} }
const MCSection*
AMDGPUMCAsmInfo::getNonexecutableStackSection(MCContext &CTX) const {
return nullptr;
}

1
lib/Target/R600/MCTargetDesc/AMDGPUMCAsmInfo.h
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@ -27,7 +27,6 @@ class StringRef;
class AMDGPUMCAsmInfo : public MCAsmInfoELF { class AMDGPUMCAsmInfo : public MCAsmInfoELF {
public: public:
explicit AMDGPUMCAsmInfo(StringRef &TT); explicit AMDGPUMCAsmInfo(StringRef &TT);
const MCSection* getNonexecutableStackSection(MCContext &CTX) const override;
}; };
} // namespace llvm } // namespace llvm
#endif #endif

6
lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.cpp
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@ -25,9 +25,3 @@ SystemZMCAsmInfo::SystemZMCAsmInfo(StringRef TT) {
SupportsDebugInformation = true; SupportsDebugInformation = true;
ExceptionsType = ExceptionHandling::DwarfCFI; ExceptionsType = ExceptionHandling::DwarfCFI;
} }
const MCSection *
SystemZMCAsmInfo::getNonexecutableStackSection(MCContext &Ctx) const {
return Ctx.getELFSection(".note.GNU-stack", ELF::SHT_PROGBITS,
0, SectionKind::getMetadata());
}

3
lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.h
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@ -19,9 +19,6 @@ class StringRef;
class SystemZMCAsmInfo : public MCAsmInfoELF { class SystemZMCAsmInfo : public MCAsmInfoELF {
public: public:
explicit SystemZMCAsmInfo(StringRef TT); explicit SystemZMCAsmInfo(StringRef TT);
// Override MCAsmInfo;
const MCSection *getNonexecutableStackSection(MCContext &Ctx) const override;
}; };
} // end namespace llvm } // end namespace llvm

6
lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
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@ -130,12 +130,6 @@ X86_64MCAsmInfoDarwin::getExprForPersonalitySymbol(const MCSymbol *Sym,
return MCBinaryExpr::CreateAdd(Res, Four, Context); return MCBinaryExpr::CreateAdd(Res, Four, Context);
} }
const MCSection *X86ELFMCAsmInfo::
getNonexecutableStackSection(MCContext &Ctx) const {
return Ctx.getELFSection(".note.GNU-stack", ELF::SHT_PROGBITS,
0, SectionKind::getMetadata());
}
void X86MCAsmInfoMicrosoft::anchor() { } void X86MCAsmInfoMicrosoft::anchor() { }
X86MCAsmInfoMicrosoft::X86MCAsmInfoMicrosoft(const Triple &Triple) { X86MCAsmInfoMicrosoft::X86MCAsmInfoMicrosoft(const Triple &Triple) {

2
lib/Target/X86/MCTargetDesc/X86MCAsmInfo.h
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@ -39,8 +39,6 @@ namespace llvm {
void anchor() override; void anchor() override;
public: public:
explicit X86ELFMCAsmInfo(const Triple &Triple); explicit X86ELFMCAsmInfo(const Triple &Triple);
const MCSection *
getNonexecutableStackSection(MCContext &Ctx) const override;
}; };
class X86MCAsmInfoMicrosoft : public MCAsmInfoMicrosoft { class X86MCAsmInfoMicrosoft : public MCAsmInfoMicrosoft {