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author | Bill Wendling <isanbard@gmail.com> | 2010-03-10 22:34:10 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2010-03-10 22:34:10 +0000 |
commit | cebae36f57456fe6b0e13726acd1e0250654f02d (patch) | |
tree | 47f8ec392dad6828e226a9e33efa850b4491893c /lib/Target/X86/AsmPrinter | |
parent | bfdf7f38523bd38ae0538861a2bfd8bdc46e5c33 (diff) | |
download | external_llvm-cebae36f57456fe6b0e13726acd1e0250654f02d.zip external_llvm-cebae36f57456fe6b0e13726acd1e0250654f02d.tar.gz external_llvm-cebae36f57456fe6b0e13726acd1e0250654f02d.tar.bz2 |
Add a bit along with the MCSymbols stored in the MachineModuleInfo maps that
indicates that an MCSymbol is external or not. (It's true if it's external.)
This will be used to specify the correct information to add to non-lazy
pointers. That will be explained further when this bit is used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98199 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/AsmPrinter')
-rw-r--r-- | lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp | 46 | ||||
-rw-r--r-- | lib/Target/X86/AsmPrinter/X86MCInstLower.cpp | 34 |
2 files changed, 50 insertions, 30 deletions
diff --git a/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp index caf84b6..4911683 100644 --- a/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp +++ b/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp @@ -133,24 +133,25 @@ void X86AsmPrinter::printSymbolOperand(const MachineOperand &MO) { if (MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY || MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY_PIC_BASE) { MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr"); - - MCSymbol *&StubSym = + MachineModuleInfoImpl::StubValueTy &StubSym = MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(Sym); - if (StubSym == 0) - StubSym = GetGlobalValueSymbol(GV); - + if (StubSym.getPointer() == 0) + StubSym = MachineModuleInfoImpl:: + StubValueTy(GetGlobalValueSymbol(GV), !GV->hasInternalLinkage()); } else if (MO.getTargetFlags() == X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE){ MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr"); - MCSymbol *&StubSym = + MachineModuleInfoImpl::StubValueTy &StubSym = MMI->getObjFileInfo<MachineModuleInfoMachO>().getHiddenGVStubEntry(Sym); - if (StubSym == 0) - StubSym = GetGlobalValueSymbol(GV); + if (StubSym.getPointer() == 0) + StubSym = MachineModuleInfoImpl:: + StubValueTy(GetGlobalValueSymbol(GV), !GV->hasInternalLinkage()); } else if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB) { MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$stub"); - MCSymbol *&StubSym = + MachineModuleInfoImpl::StubValueTy &StubSym = MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym); - if (StubSym == 0) - StubSym = GetGlobalValueSymbol(GV); + if (StubSym.getPointer() == 0) + StubSym = MachineModuleInfoImpl:: + StubValueTy(GetGlobalValueSymbol(GV), !GV->hasInternalLinkage()); } // If the name begins with a dollar-sign, enclose it in parens. We do this @@ -170,13 +171,15 @@ void X86AsmPrinter::printSymbolOperand(const MachineOperand &MO) { TempNameStr += StringRef("$stub"); MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str()); - MCSymbol *&StubSym = + MachineModuleInfoImpl::StubValueTy &StubSym = MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym); - if (StubSym == 0) { + if (StubSym.getPointer() == 0) { TempNameStr.erase(TempNameStr.end()-5, TempNameStr.end()); - StubSym = OutContext.GetOrCreateSymbol(TempNameStr.str()); + StubSym = MachineModuleInfoImpl:: + StubValueTy(OutContext.GetOrCreateSymbol(TempNameStr.str()), + true); } - SymToPrint = StubSym; + SymToPrint = StubSym.getPointer(); } else { SymToPrint = GetExternalSymbolSymbol(MO.getSymbolName()); } @@ -507,7 +510,8 @@ void X86AsmPrinter::EmitEndOfAsmFile(Module &M) { // L_foo$stub: OutStreamer.EmitLabel(Stubs[i].first); // .indirect_symbol _foo - OutStreamer.EmitSymbolAttribute(Stubs[i].second, MCSA_IndirectSymbol); + OutStreamer.EmitSymbolAttribute(Stubs[i].second.getPointer(), + MCSA_IndirectSymbol); // hlt; hlt; hlt; hlt; hlt hlt = 0xf4 = -12. const char HltInsts[] = { -12, -12, -12, -12, -12 }; OutStreamer.EmitBytes(StringRef(HltInsts, 5), 0/*addrspace*/); @@ -530,7 +534,8 @@ void X86AsmPrinter::EmitEndOfAsmFile(Module &M) { // L_foo$non_lazy_ptr: OutStreamer.EmitLabel(Stubs[i].first); // .indirect_symbol _foo - OutStreamer.EmitSymbolAttribute(Stubs[i].second, MCSA_IndirectSymbol); + OutStreamer.EmitSymbolAttribute(Stubs[i].second.getPointer(), + MCSA_IndirectSymbol); // .long 0 OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/); } @@ -547,8 +552,9 @@ void X86AsmPrinter::EmitEndOfAsmFile(Module &M) { // L_foo$non_lazy_ptr: OutStreamer.EmitLabel(Stubs[i].first); // .long _foo - OutStreamer.EmitValue(MCSymbolRefExpr::Create(Stubs[i].second, - OutContext), + OutStreamer.EmitValue(MCSymbolRefExpr:: + Create(Stubs[i].second.getPointer(), + OutContext), 4/*size*/, 0/*addrspace*/); } Stubs.clear(); @@ -624,7 +630,7 @@ void X86AsmPrinter::EmitEndOfAsmFile(Module &M) { O << *Stubs[i].first << ":\n" << (TD->getPointerSize() == 8 ? MAI->getData64bitsDirective() : MAI->getData32bitsDirective()) - << *Stubs[i].second << '\n'; + << *Stubs[i].second.getPointer() << '\n'; Stubs.clear(); } diff --git a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp index b8a6eeb..bde7bfd 100644 --- a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp +++ b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp @@ -91,35 +91,49 @@ GetSymbolFromOperand(const MachineOperand &MO) const { Name += "$non_lazy_ptr"; MCSymbol *Sym = Ctx.GetOrCreateTemporarySymbol(Name.str()); - MCSymbol *&StubSym = getMachOMMI().getGVStubEntry(Sym); - if (StubSym == 0) { + MachineModuleInfoImpl::StubValueTy &StubSym = + getMachOMMI().getGVStubEntry(Sym); + if (StubSym.getPointer() == 0) { assert(MO.isGlobal() && "Extern symbol not handled yet"); - StubSym = AsmPrinter.GetGlobalValueSymbol(MO.getGlobal()); + StubSym = + MachineModuleInfoImpl:: + StubValueTy(AsmPrinter.GetGlobalValueSymbol(MO.getGlobal()), + !MO.getGlobal()->hasInternalLinkage()); } return Sym; } case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE: { Name += "$non_lazy_ptr"; MCSymbol *Sym = Ctx.GetOrCreateTemporarySymbol(Name.str()); - MCSymbol *&StubSym = getMachOMMI().getHiddenGVStubEntry(Sym); - if (StubSym == 0) { + MachineModuleInfoImpl::StubValueTy &StubSym = + getMachOMMI().getHiddenGVStubEntry(Sym); + if (StubSym.getPointer() == 0) { assert(MO.isGlobal() && "Extern symbol not handled yet"); - StubSym = AsmPrinter.GetGlobalValueSymbol(MO.getGlobal()); + StubSym = + MachineModuleInfoImpl:: + StubValueTy(AsmPrinter.GetGlobalValueSymbol(MO.getGlobal()), + !MO.getGlobal()->hasInternalLinkage()); } return Sym; } case X86II::MO_DARWIN_STUB: { Name += "$stub"; MCSymbol *Sym = Ctx.GetOrCreateTemporarySymbol(Name.str()); - MCSymbol *&StubSym = getMachOMMI().getFnStubEntry(Sym); - if (StubSym) + MachineModuleInfoImpl::StubValueTy &StubSym = + getMachOMMI().getFnStubEntry(Sym); + if (StubSym.getPointer()) return Sym; if (MO.isGlobal()) { - StubSym = AsmPrinter.GetGlobalValueSymbol(MO.getGlobal()); + StubSym = + MachineModuleInfoImpl:: + StubValueTy(AsmPrinter.GetGlobalValueSymbol(MO.getGlobal()), + !MO.getGlobal()->hasInternalLinkage()); } else { Name.erase(Name.end()-5, Name.end()); - StubSym = Ctx.GetOrCreateTemporarySymbol(Name.str()); + StubSym = + MachineModuleInfoImpl:: + StubValueTy(Ctx.GetOrCreateTemporarySymbol(Name.str()), false); } return Sym; } |