diff options
Diffstat (limited to 'contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp b/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp index 7b8d1108f1bf..2569e922641d 100644 --- a/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp +++ b/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp @@ -18,6 +18,8 @@ #include "llvm/IR/DerivedTypes.h" #include "llvm/IR/Function.h" #include "llvm/IR/GlobalVariable.h" +#include "llvm/IR/Mangler.h" +#include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCContext.h" #include "llvm/MC/MCExpr.h" #include "llvm/MC/MCStreamer.h" @@ -25,7 +27,7 @@ #include "llvm/Support/Dwarf.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/raw_ostream.h" -#include "llvm/Target/Mangler.h" +#include "llvm/Target/TargetLowering.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetOptions.h" using namespace llvm; @@ -40,10 +42,11 @@ using namespace llvm; void TargetLoweringObjectFile::Initialize(MCContext &ctx, const TargetMachine &TM) { Ctx = &ctx; + DL = TM.getDataLayout(); InitMCObjectFileInfo(TM.getTargetTriple(), TM.getRelocationModel(), TM.getCodeModel(), *Ctx); } - + TargetLoweringObjectFile::~TargetLoweringObjectFile() { } @@ -59,7 +62,7 @@ static bool isSuitableForBSS(const GlobalVariable *GV, bool NoZerosInBSS) { return false; // If the global has an explicit section specified, don't put it in BSS. - if (!GV->getSection().empty()) + if (GV->hasSection()) return false; // If -nozero-initialized-in-bss is specified, don't ever use BSS. @@ -97,20 +100,22 @@ static bool IsNullTerminatedString(const Constant *C) { return false; } -/// Return the MCSymbol for the specified global value. This -/// symbol is the main label that is the address of the global. -MCSymbol *TargetLoweringObjectFile::getSymbol(Mangler &M, - const GlobalValue *GV) const { +MCSymbol *TargetLoweringObjectFile::getSymbolWithGlobalValueBase( + const GlobalValue *GV, StringRef Suffix, Mangler &Mang, + const TargetMachine &TM) const { + assert(!Suffix.empty()); + SmallString<60> NameStr; - M.getNameWithPrefix(NameStr, GV, false); + NameStr += DL->getPrivateGlobalPrefix(); + TM.getNameWithPrefix(NameStr, GV, Mang); + NameStr.append(Suffix.begin(), Suffix.end()); return Ctx->GetOrCreateSymbol(NameStr.str()); } - -MCSymbol *TargetLoweringObjectFile:: -getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang, - MachineModuleInfo *MMI) const { - return getSymbol(*Mang, GV); +MCSymbol *TargetLoweringObjectFile::getCFIPersonalitySymbol( + const GlobalValue *GV, Mangler &Mang, const TargetMachine &TM, + MachineModuleInfo *MMI) const { + return TM.getSymbol(GV, Mang); } void TargetLoweringObjectFile::emitPersonalityValue(MCStreamer &Streamer, @@ -133,7 +138,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV, // Early exit - functions should be always in text sections. const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV); - if (GVar == 0) + if (!GVar) return SectionKind::getText(); // Handle thread-local data first. @@ -252,7 +257,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV, /// the specified global variable or function definition. This should not /// be passed external (or available externally) globals. const MCSection *TargetLoweringObjectFile:: -SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, +SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler &Mang, const TargetMachine &TM) const { // Select section name. if (GV->hasSection()) @@ -263,22 +268,26 @@ SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, return SelectSectionForGlobal(GV, Kind, Mang, TM); } +bool TargetLoweringObjectFile::isSectionAtomizableBySymbols( + const MCSection &Section) const { + return false; +} // Lame default implementation. Calculate the section name for global. const MCSection * TargetLoweringObjectFile::SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, - Mangler *Mang, + Mangler &Mang, const TargetMachine &TM) const{ assert(!Kind.isThreadLocal() && "Doesn't support TLS"); if (Kind.isText()) return getTextSection(); - if (Kind.isBSS() && BSSSection != 0) + if (Kind.isBSS() && BSSSection != nullptr) return BSSSection; - if (Kind.isReadOnly() && ReadOnlySection != 0) + if (Kind.isReadOnly() && ReadOnlySection != nullptr) return ReadOnlySection; return getDataSection(); @@ -288,8 +297,9 @@ TargetLoweringObjectFile::SelectSectionForGlobal(const GlobalValue *GV, /// specified size and relocation information, return a section that it /// should be placed in. const MCSection * -TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind) const { - if (Kind.isReadOnly() && ReadOnlySection != 0) +TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind, + const Constant *C) const { + if (Kind.isReadOnly() && ReadOnlySection != nullptr) return ReadOnlySection; return DataSection; @@ -298,12 +308,12 @@ TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind) const { /// getTTypeGlobalReference - Return an MCExpr to use for a /// reference to the specified global variable from exception /// handling information. -const MCExpr *TargetLoweringObjectFile:: -getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang, - MachineModuleInfo *MMI, unsigned Encoding, - MCStreamer &Streamer) const { +const MCExpr *TargetLoweringObjectFile::getTTypeGlobalReference( + const GlobalValue *GV, unsigned Encoding, Mangler &Mang, + const TargetMachine &TM, MachineModuleInfo *MMI, + MCStreamer &Streamer) const { const MCSymbolRefExpr *Ref = - MCSymbolRefExpr::Create(getSymbol(*Mang, GV), getContext()); + MCSymbolRefExpr::Create(TM.getSymbol(GV, Mang), getContext()); return getTTypeReference(Ref, Encoding, Streamer); } |