diff options
| -rw-r--r-- | lib/Target/X86/X86AsmPrinter.cpp | 48 |
1 files changed, 37 insertions, 11 deletions
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp index b0d27888fc..ce6d26e7d0 100644 --- a/lib/Target/X86/X86AsmPrinter.cpp +++ b/lib/Target/X86/X86AsmPrinter.cpp @@ -43,10 +43,12 @@ namespace { struct X86SharedAsmPrinter : public AsmPrinter { X86SharedAsmPrinter(std::ostream &O, TargetMachine &TM) - : AsmPrinter(O, TM) { } + : AsmPrinter(O, TM), forCygwin(false) { } + bool doInitialization(Module &M); void printConstantPool(MachineConstantPool *MCP); bool doFinalization(Module &M); + bool forCygwin; }; } @@ -77,6 +79,24 @@ static void SwitchSection(std::ostream &OS, std::string &CurSection, } } +/// doInitialization - determine +bool X86SharedAsmPrinter::doInitialization(Module& M) { + forCygwin = false; + const std::string& TT = M.getTargetTriple(); + if (TT.length() > 5) + forCygwin = TT.find("cygwin") != std::string::npos; + else if (TT.empty()) { +#ifdef __CYGWIN__ + forCygwin = true; +#else + forCygwin = false; +#endif + } + if (forCygwin) + GlobalPrefix = "_"; + return AsmPrinter::doInitialization(M); +} + /// printConstantPool - Print to the current output stream assembly /// representations of the constants in the constant pool MCP. This is /// used to print out constants which have been "spilled to memory" by @@ -114,11 +134,12 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) { (I->hasLinkOnceLinkage() || I->hasInternalLinkage() || I->hasWeakLinkage() /* FIXME: Verify correct */)) { SwitchSection(O, CurSection, ".data"); - if (I->hasInternalLinkage()) + if (!forCygwin && I->hasInternalLinkage()) O << "\t.local " << name << "\n"; - O << "\t.comm " << name << "," << TD.getTypeSize(C->getType()) - << "," << (1 << Align); + O << "\t.comm " << name << "," << TD.getTypeSize(C->getType()); + if (!forCygwin) + O << "," << (1 << Align); O << "\t\t# "; WriteAsOperand(O, I, true, true, &M); O << "\n"; @@ -150,8 +171,10 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) { } emitAlignment(Align); - O << "\t.type " << name << ",@object\n"; - O << "\t.size " << name << "," << Size << "\n"; + if (!forCygwin) { + O << "\t.type " << name << ",@object\n"; + O << "\t.size " << name << "," << Size << "\n"; + } O << name << ":\t\t\t\t# "; WriteAsOperand(O, I, true, true, &M); O << " = "; @@ -239,7 +262,8 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) { O << "\t.text\n"; emitAlignment(4); O << "\t.globl\t" << CurrentFnName << "\n"; - O << "\t.type\t" << CurrentFnName << ", @function\n"; + if (!forCygwin) + O << "\t.type\t" << CurrentFnName << ", @function\n"; O << CurrentFnName << ":\n"; // Print out code for the function. @@ -306,7 +330,7 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO, return; } case MachineOperand::MO_ExternalSymbol: - O << MO.getSymbolName(); + O << GlobalPrefix << MO.getSymbolName(); return; default: O << "<unknown operand type>"; return; @@ -462,7 +486,8 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) { O << "\t.text\n"; emitAlignment(4); O << "\t.globl\t" << CurrentFnName << "\n"; - O << "\t.type\t" << CurrentFnName << ", @function\n"; + if (!forCygwin) + O << "\t.type\t" << CurrentFnName << ", @function\n"; O << CurrentFnName << ":\n"; // Print out code for the function. @@ -523,7 +548,7 @@ void X86ATTAsmPrinter::printOp(const MachineOperand &MO, bool isCallOp) { } case MachineOperand::MO_ExternalSymbol: if (!isCallOp) O << '$'; - O << MO.getSymbolName(); + O << GlobalPrefix << MO.getSymbolName(); return; default: O << "<unknown operand type>"; return; @@ -600,7 +625,8 @@ void X86ATTAsmPrinter::printMachineInstruction(const MachineInstr *MI) { /// FunctionPass *llvm::createX86CodePrinterPass(std::ostream &o,TargetMachine &tm){ switch (AsmWriterFlavor) { - default: assert(0 && "Unknown asm flavor!"); + default: + assert(0 && "Unknown asm flavor!"); case intel: return new X86IntelAsmPrinter(o, tm); case att: |