From: Misha Brukman Date: Sun, 5 Sep 2004 02:27:37 +0000 (+0000) Subject: Renamed PPC32AsmPrinter.cpp => PowerPCAsmPrinter.cpp as the Darwin and AIX asm X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b986b7de5090d7ae4d91959f508f7a2f171466e8;p=oota-llvm.git Renamed PPC32AsmPrinter.cpp => PowerPCAsmPrinter.cpp as the Darwin and AIX asm printers are now unified into one file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16173 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/PowerPC/PPC32AsmPrinter.cpp b/lib/Target/PowerPC/PPC32AsmPrinter.cpp deleted file mode 100644 index b0503d2a2da..00000000000 --- a/lib/Target/PowerPC/PPC32AsmPrinter.cpp +++ /dev/null @@ -1,710 +0,0 @@ -//===-- PowerPCAsmPrinter.cpp - Print machine instrs to PowerPC assembly --===// -// -// The LLVM Compiler Infrastructure -// -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file contains a printer that converts from our internal representation -// of machine-dependent LLVM code to PowerPC assembly language. This printer is -// the output mechanism used by `llc'. -// -// Documentation at http://developer.apple.com/documentation/DeveloperTools/ -// Reference/Assembler/ASMIntroduction/chapter_1_section_1.html -// -//===----------------------------------------------------------------------===// - -#define DEBUG_TYPE "asmprinter" -#include "PowerPC.h" -#include "PowerPCTargetMachine.h" -#include "llvm/Constants.h" -#include "llvm/DerivedTypes.h" -#include "llvm/Module.h" -#include "llvm/Assembly/Writer.h" -#include "llvm/CodeGen/AsmPrinter.h" -#include "llvm/CodeGen/MachineConstantPool.h" -#include "llvm/CodeGen/MachineFunctionPass.h" -#include "llvm/CodeGen/MachineInstr.h" -#include "llvm/CodeGen/ValueTypes.h" -#include "llvm/Support/Mangler.h" -#include "llvm/Support/MathExtras.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/Debug.h" -#include "llvm/ADT/Statistic.h" -#include "llvm/ADT/StringExtras.h" -#include -using namespace llvm; - -namespace { - Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed"); - - struct PPC32AsmPrinter : public AsmPrinter { - std::set FnStubs, GVStubs, LinkOnceStubs; - std::set Strings; - - PPC32AsmPrinter(std::ostream &O, TargetMachine &TM) - : AsmPrinter(O, TM), LabelNumber(0) {} - - /// Unique incrementer for label values for referencing Global values. - /// - unsigned LabelNumber; - - virtual const char *getPassName() const { - return "PowerPC Assembly Printer"; - } - - PowerPCTargetMachine &getTM() { - return static_cast(TM); - } - - /// printInstruction - This method is automatically generated by tablegen - /// from the instruction set description. This method returns true if the - /// machine instruction was sufficiently described to print it, otherwise it - /// returns false. - bool printInstruction(const MachineInstr *MI); - - void printMachineInstruction(const MachineInstr *MI); - void printOp(const MachineOperand &MO, bool LoadAddrOp = false); - - void printOperand(const MachineInstr *MI, unsigned OpNo, MVT::ValueType VT){ - const MachineOperand &MO = MI->getOperand(OpNo); - if (MO.getType() == MachineOperand::MO_MachineRegister) { - assert(MRegisterInfo::isPhysicalRegister(MO.getReg())&&"Not physreg??"); - O << LowercaseString(TM.getRegisterInfo()->get(MO.getReg()).Name); - } else if (MO.isImmediate()) { - O << MO.getImmedValue(); - } else { - printOp(MO); - } - } - - void printU5ImmOperand(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - unsigned char value = MI->getOperand(OpNo).getImmedValue(); - assert(value <= 31 && "Invalid u5imm argument!"); - O << (unsigned int)value; - } - void printU6ImmOperand(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - unsigned char value = MI->getOperand(OpNo).getImmedValue(); - assert(value <= 63 && "Invalid u6imm argument!"); - O << (unsigned int)value; - } - void printS16ImmOperand(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - O << (short)MI->getOperand(OpNo).getImmedValue(); - } - void printU16ImmOperand(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - O << (unsigned short)MI->getOperand(OpNo).getImmedValue(); - } - void printBranchOperand(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - - // Branches can take an immediate operand. This is used by the branch - // selection pass to print $+8, an eight byte displacement from the PC. - if (MI->getOperand(OpNo).isImmediate()) { - O << "$+" << MI->getOperand(OpNo).getImmedValue() << '\n'; - } else { - printOp(MI->getOperand(OpNo)); - } - } - void printPICLabel(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - // FIXME: should probably be converted to cout.width and cout.fill - O << "\"L0000" << LabelNumber << "$pb\"\n"; - O << "\"L0000" << LabelNumber << "$pb\":"; - } - void printSymbolHi(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - O << "ha16("; - printOp(MI->getOperand(OpNo), true /* LoadAddrOp */); - O << "-\"L0000" << LabelNumber << "$pb\")"; - } - void printSymbolLo(const MachineInstr *MI, unsigned OpNo, - MVT::ValueType VT) { - // FIXME: Because LFS, LFD, and LWZ can be used either with a s16imm or - // a lo16 of a global or constant pool operand, we must handle both here. - // this isn't a great design, but it works for now. - if (MI->getOperand(OpNo).isImmediate()) { - O << (short)MI->getOperand(OpNo).getImmedValue(); - } else { - O << "lo16("; - printOp(MI->getOperand(OpNo), true /* LoadAddrOp */); - O << "-\"L0000" << LabelNumber << "$pb\")"; - } - } - - virtual void printConstantPool(MachineConstantPool *MCP) = 0; - virtual bool runOnMachineFunction(MachineFunction &F) = 0; - virtual bool doFinalization(Module &M) = 0; - }; - - // - // - struct DarwinAsmPrinter : public PPC32AsmPrinter { - - DarwinAsmPrinter(std::ostream &O, TargetMachine &TM) - : PPC32AsmPrinter(O, TM) { - CommentString = ";"; - GlobalPrefix = "_"; - ZeroDirective = "\t.space\t"; // ".space N" emits N zeros. - Data64bitsDirective = 0; // we can't emit a 64-bit unit - AlignmentIsInBytes = false; // Alignment is by power of 2. - } - - virtual const char *getPassName() const { - return "Darwin PPC Assembly Printer"; - } - - void printConstantPool(MachineConstantPool *MCP); - bool runOnMachineFunction(MachineFunction &F); - bool doFinalization(Module &M); - }; - - // - // - struct AIXAsmPrinter : public PPC32AsmPrinter { - /// Map for labels corresponding to global variables - /// - std::map GVToLabelMap; - - AIXAsmPrinter(std::ostream &O, TargetMachine &TM) - : PPC32AsmPrinter(O, TM) { - CommentString = "#"; - GlobalPrefix = "_"; - ZeroDirective = "\t.space\t"; // ".space N" emits N zeros. - Data64bitsDirective = 0; // we can't emit a 64-bit unit - AlignmentIsInBytes = false; // Alignment is by power of 2. - } - - virtual const char *getPassName() const { - return "AIX PPC Assembly Printer"; - } - - void printConstantPool(MachineConstantPool *MCP); - bool runOnMachineFunction(MachineFunction &F); - bool doInitialization(Module &M); - bool doFinalization(Module &M); - }; -} // end of anonymous namespace - -// SwitchSection - Switch to the specified section of the executable if we are -// not already in it! -// -static void SwitchSection(std::ostream &OS, std::string &CurSection, - const char *NewSection) { - if (CurSection != NewSection) { - CurSection = NewSection; - if (!CurSection.empty()) - OS << "\t" << NewSection << "\n"; - } -} - -/// isStringCompatible - Can we treat the specified array as a string? -/// Only if it is an array of ubytes or non-negative sbytes. -/// -static bool isStringCompatible(const ConstantArray *CVA) { - const Type *ETy = cast(CVA->getType())->getElementType(); - if (ETy == Type::UByteTy) return true; - if (ETy != Type::SByteTy) return false; - - for (unsigned i = 0; i < CVA->getNumOperands(); ++i) - if (cast(CVA->getOperand(i))->getValue() < 0) - return false; - - return true; -} - -/// toOctal - Convert the low order bits of X into an octal digit. -/// -static inline char toOctal(int X) { - return (X&7)+'0'; -} - -// Possible states while outputting ASCII strings -namespace { - enum StringSection { - None, - Alpha, - Numeric - }; -} - -/// SwitchStringSection - manage the changes required to output bytes as -/// characters in a string vs. numeric decimal values -/// -static inline void SwitchStringSection(std::ostream &O, StringSection NewSect, - StringSection &Current) { - if (Current == None) { - if (NewSect == Alpha) - O << "\t.byte \""; - else if (NewSect == Numeric) - O << "\t.byte "; - } else if (Current == Alpha) { - if (NewSect == None) - O << "\""; - else if (NewSect == Numeric) - O << "\"\n" - << "\t.byte "; - } else if (Current == Numeric) { - if (NewSect == Alpha) - O << '\n' - << "\t.byte \""; - else if (NewSect == Numeric) - O << ", "; - } - - Current = NewSect; -} - -/// getAsCString - Return the specified array as a C compatible -/// string, only if the predicate isStringCompatible is true. -/// -static void printAsCString(std::ostream &O, const ConstantArray *CVA) { - assert(isStringCompatible(CVA) && "Array is not string compatible!"); - - if (CVA->getNumOperands() == 0) - return; - - StringSection Current = None; - for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i) { - unsigned char C = cast(CVA->getOperand(i))->getRawValue(); - if (C == '"') { - SwitchStringSection(O, Alpha, Current); - O << "\"\""; - } else if (isprint(C)) { - SwitchStringSection(O, Alpha, Current); - O << C; - } else { - SwitchStringSection(O, Numeric, Current); - O << utostr((unsigned)C); - } - } - SwitchStringSection(O, None, Current); - O << '\n'; -} - -/// createDarwinAsmPrinterPass - Returns a pass that prints the PPC assembly -/// code for a MachineFunction to the given output stream, in a format that the -/// Darwin assembler can deal with. -/// -FunctionPass *llvm::createDarwinAsmPrinter(std::ostream &o, TargetMachine &tm) { - return new DarwinAsmPrinter(o, tm); -} - -/// createAIXAsmPrinterPass - Returns a pass that prints the PPC assembly code -/// for a MachineFunction to the given output stream, in a format that the -/// AIX 5L assembler can deal with. -/// -FunctionPass *llvm::createAIXAsmPrinter(std::ostream &o, TargetMachine &tm) { - return new AIXAsmPrinter(o, tm); -} - -// Include the auto-generated portion of the assembly writer -#include "PowerPCGenAsmWriter.inc" - -void PPC32AsmPrinter::printOp(const MachineOperand &MO, - bool LoadAddrOp /* = false */) { - const MRegisterInfo &RI = *TM.getRegisterInfo(); - int new_symbol; - - switch (MO.getType()) { - case MachineOperand::MO_VirtualRegister: - if (Value *V = MO.getVRegValueOrNull()) { - O << "<" << V->getName() << ">"; - return; - } - // FALLTHROUGH - case MachineOperand::MO_MachineRegister: - case MachineOperand::MO_CCRegister: - O << LowercaseString(RI.get(MO.getReg()).Name); - return; - - case MachineOperand::MO_SignExtendedImmed: - case MachineOperand::MO_UnextendedImmed: - std::cerr << "printOp() does not handle immediate values\n"; - abort(); - return; - - case MachineOperand::MO_PCRelativeDisp: - std::cerr << "Shouldn't use addPCDisp() when building PPC MachineInstrs"; - abort(); - return; - - case MachineOperand::MO_MachineBasicBlock: { - MachineBasicBlock *MBBOp = MO.getMachineBasicBlock(); - O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction()) - << "_" << MBBOp->getNumber() << "\t; " - << MBBOp->getBasicBlock()->getName(); - return; - } - - case MachineOperand::MO_ConstantPoolIndex: - O << ".CPI" << CurrentFnName << "_" << MO.getConstantPoolIndex(); - return; - - case MachineOperand::MO_ExternalSymbol: - O << MO.getSymbolName(); - return; - - case MachineOperand::MO_GlobalAddress: { - GlobalValue *GV = MO.getGlobal(); - std::string Name = Mang->getValueName(GV); - - // Dynamically-resolved functions need a stub for the function. Be - // wary however not to output $stub for external functions whose addresses - // are taken. Those should be emitted as $non_lazy_ptr below. - Function *F = dyn_cast(GV); - if (F && F->isExternal() && !LoadAddrOp && - getTM().CalledFunctions.count(F)) { - FnStubs.insert(Name); - O << "L" << Name << "$stub"; - return; - } - - // External global variables need a non-lazily-resolved stub - if (GV->isExternal() && getTM().AddressTaken.count(GV)) { - GVStubs.insert(Name); - O << "L" << Name << "$non_lazy_ptr"; - return; - } - - if (F && LoadAddrOp && getTM().AddressTaken.count(GV)) { - LinkOnceStubs.insert(Name); - O << "L" << Name << "$non_lazy_ptr"; - return; - } - - O << Mang->getValueName(GV); - return; - } - - default: - O << ""; - return; - } -} - -/// printMachineInstruction -- Print out a single PowerPC MI in Darwin syntax to -/// the current output stream. -/// -void PPC32AsmPrinter::printMachineInstruction(const MachineInstr *MI) { - ++EmittedInsts; - if (printInstruction(MI)) - return; // Printer was automatically generated - - assert(0 && "Unhandled instruction in asm writer!"); - abort(); - return; -} - -/// runOnMachineFunction - This uses the printMachineInstruction() -/// method to print assembly for each instruction. -/// -bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) { - setupMachineFunction(MF); - O << "\n\n"; - - // Print out constants referenced by the function - printConstantPool(MF.getConstantPool()); - - // Print out labels for the function. - O << "\t.text\n"; - emitAlignment(2); - O << "\t.globl\t" << CurrentFnName << "\n"; - O << CurrentFnName << ":\n"; - - // Print out code for the function. - for (MachineFunction::const_iterator I = MF.begin(), E = MF.end(); - I != E; ++I) { - // Print a label for the basic block. - O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t" - << CommentString << " " << I->getBasicBlock()->getName() << "\n"; - for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end(); - II != E; ++II) { - // Print the assembly for the instruction. - O << "\t"; - printMachineInstruction(II); - } - } - ++LabelNumber; - - // We didn't modify anything. - return false; -} - -/// 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 -/// the code generator. -/// -void DarwinAsmPrinter::printConstantPool(MachineConstantPool *MCP) { - const std::vector &CP = MCP->getConstants(); - const TargetData &TD = TM.getTargetData(); - - if (CP.empty()) return; - - for (unsigned i = 0, e = CP.size(); i != e; ++i) { - O << "\t.const\n"; - emitAlignment(TD.getTypeAlignmentShift(CP[i]->getType())); - O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t" << CommentString - << *CP[i] << "\n"; - emitGlobalConstant(CP[i]); - } -} - -bool DarwinAsmPrinter::doFinalization(Module &M) { - const TargetData &TD = TM.getTargetData(); - std::string CurSection; - - // Print out module-level global variables here. - for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I) - if (I->hasInitializer()) { // External global require no code - O << "\n\n"; - std::string name = Mang->getValueName(I); - Constant *C = I->getInitializer(); - unsigned Size = TD.getTypeSize(C->getType()); - unsigned Align = TD.getTypeAlignmentShift(C->getType()); - - if (C->isNullValue() && /* FIXME: Verify correct */ - (I->hasInternalLinkage() || I->hasWeakLinkage())) { - SwitchSection(O, CurSection, ".data"); - if (I->hasInternalLinkage()) - O << ".lcomm " << name << "," << TD.getTypeSize(C->getType()) - << "," << Align; - else - O << ".comm " << name << "," << TD.getTypeSize(C->getType()); - O << "\t\t; "; - WriteAsOperand(O, I, true, true, &M); - O << "\n"; - } else { - switch (I->getLinkage()) { - case GlobalValue::LinkOnceLinkage: - O << ".section __TEXT,__textcoal_nt,coalesced,no_toc\n" - << ".weak_definition " << name << '\n' - << ".private_extern " << name << '\n' - << ".section __DATA,__datacoal_nt,coalesced,no_toc\n"; - LinkOnceStubs.insert(name); - break; - case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak. - // Nonnull linkonce -> weak - O << "\t.weak " << name << "\n"; - SwitchSection(O, CurSection, ""); - O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\",@progbits\n"; - break; - case GlobalValue::AppendingLinkage: - // FIXME: appending linkage variables should go into a section of - // their name or something. For now, just emit them as external. - case GlobalValue::ExternalLinkage: - // If external or appending, declare as a global symbol - O << "\t.globl " << name << "\n"; - // FALL THROUGH - case GlobalValue::InternalLinkage: - SwitchSection(O, CurSection, ".data"); - break; - } - - emitAlignment(Align); - O << name << ":\t\t\t\t; "; - WriteAsOperand(O, I, true, true, &M); - O << " = "; - WriteAsOperand(O, C, false, false, &M); - O << "\n"; - emitGlobalConstant(C); - } - } - - // Output stubs for dynamically-linked functions - for (std::set::iterator i = FnStubs.begin(), e = FnStubs.end(); - i != e; ++i) - { - O << ".data\n"; - O << ".section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32\n"; - emitAlignment(2); - O << "L" << *i << "$stub:\n"; - O << "\t.indirect_symbol " << *i << "\n"; - O << "\tmflr r0\n"; - O << "\tbcl 20,31,L0$" << *i << "\n"; - O << "L0$" << *i << ":\n"; - O << "\tmflr r11\n"; - O << "\taddis r11,r11,ha16(L" << *i << "$lazy_ptr-L0$" << *i << ")\n"; - O << "\tmtlr r0\n"; - O << "\tlwzu r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n"; - O << "\tmtctr r12\n"; - O << "\tbctr\n"; - O << ".data\n"; - O << ".lazy_symbol_pointer\n"; - O << "L" << *i << "$lazy_ptr:\n"; - O << "\t.indirect_symbol " << *i << "\n"; - O << "\t.long dyld_stub_binding_helper\n"; - } - - O << "\n"; - - // Output stubs for external global variables - if (GVStubs.begin() != GVStubs.end()) - O << ".data\n.non_lazy_symbol_pointer\n"; - for (std::set::iterator i = GVStubs.begin(), e = GVStubs.end(); - i != e; ++i) { - O << "L" << *i << "$non_lazy_ptr:\n"; - O << "\t.indirect_symbol " << *i << "\n"; - O << "\t.long\t0\n"; - } - - // Output stubs for link-once variables - if (LinkOnceStubs.begin() != LinkOnceStubs.end()) - O << ".data\n.align 2\n"; - for (std::set::iterator i = LinkOnceStubs.begin(), - e = LinkOnceStubs.end(); i != e; ++i) { - O << "L" << *i << "$non_lazy_ptr:\n" - << "\t.long\t" << *i << '\n'; - } - - AsmPrinter::doFinalization(M); - return false; // success -} - -/// runOnMachineFunction - This uses the printMachineInstruction() -/// method to print assembly for each instruction. -/// -bool AIXAsmPrinter::runOnMachineFunction(MachineFunction &MF) { - CurrentFnName = MF.getFunction()->getName(); - - // Print out constants referenced by the function - printConstantPool(MF.getConstantPool()); - - // Print out header for the function. - O << "\t.csect .text[PR]\n" - << "\t.align 2\n" - << "\t.globl " << CurrentFnName << '\n' - << "\t.globl ." << CurrentFnName << '\n' - << "\t.csect " << CurrentFnName << "[DS],3\n" - << CurrentFnName << ":\n" - << "\t.llong ." << CurrentFnName << ", TOC[tc0], 0\n" - << "\t.csect .text[PR]\n" - << '.' << CurrentFnName << ":\n"; - - // Print out code for the function. - for (MachineFunction::const_iterator I = MF.begin(), E = MF.end(); - I != E; ++I) { - // Print a label for the basic block. - O << "LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# " - << I->getBasicBlock()->getName() << "\n"; - for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end(); - II != E; ++II) { - // Print the assembly for the instruction. - O << "\t"; - printMachineInstruction(II); - } - } - ++LabelNumber; - - O << "LT.." << CurrentFnName << ":\n" - << "\t.long 0\n" - << "\t.byte 0,0,32,65,128,0,0,0\n" - << "\t.long LT.." << CurrentFnName << "-." << CurrentFnName << '\n' - << "\t.short 3\n" - << "\t.byte \"" << CurrentFnName << "\"\n" - << "\t.align 2\n"; - - // We didn't modify anything. - return false; -} - -/// 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 -/// the code generator. -/// -void AIXAsmPrinter::printConstantPool(MachineConstantPool *MCP) { - const std::vector &CP = MCP->getConstants(); - const TargetData &TD = TM.getTargetData(); - - if (CP.empty()) return; - - for (unsigned i = 0, e = CP.size(); i != e; ++i) { - O << "\t.const\n"; - O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType()) - << "\n"; - O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t;" - << *CP[i] << "\n"; - emitGlobalConstant(CP[i]); - } -} - -bool AIXAsmPrinter::doInitialization(Module &M) { - const TargetData &TD = TM.getTargetData(); - std::string CurSection; - - O << "\t.machine \"ppc64\"\n" - << "\t.toc\n" - << "\t.csect .text[PR]\n"; - - // Print out module-level global variables - for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I) { - if (!I->hasInitializer()) - continue; - - std::string Name = I->getName(); - Constant *C = I->getInitializer(); - // N.B.: We are defaulting to writable strings - if (I->hasExternalLinkage()) { - O << "\t.globl " << Name << '\n' - << "\t.csect .data[RW],3\n"; - } else { - O << "\t.csect _global.rw_c[RW],3\n"; - } - O << Name << ":\n"; - emitGlobalConstant(C); - } - - // Output labels for globals - if (M.gbegin() != M.gend()) O << "\t.toc\n"; - for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I) { - const GlobalVariable *GV = I; - // Do not output labels for unused variables - if (GV->isExternal() && GV->use_begin() == GV->use_end()) - continue; - - std::string Name = GV->getName(); - std::string Label = "LC.." + utostr(LabelNumber++); - GVToLabelMap[GV] = Label; - O << Label << ":\n" - << "\t.tc " << Name << "[TC]," << Name; - if (GV->isExternal()) O << "[RW]"; - O << '\n'; - } - - Mang = new Mangler(M, "."); - return false; // success -} - -bool AIXAsmPrinter::doFinalization(Module &M) { - const TargetData &TD = TM.getTargetData(); - // Print out module-level global variables - for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I) { - if (I->hasInitializer() || I->hasExternalLinkage()) - continue; - - std::string Name = I->getName(); - if (I->hasInternalLinkage()) { - O << "\t.lcomm " << Name << ",16,_global.bss_c"; - } else { - O << "\t.comm " << Name << "," << TD.getTypeSize(I->getType()) - << "," << log2((unsigned)TD.getTypeAlignment(I->getType())); - } - O << "\t\t# "; - WriteAsOperand(O, I, true, true, &M); - O << "\n"; - } - - O << "_section_.text:\n" - << "\t.csect .data[RW],3\n" - << "\t.llong _section_.text\n"; - - delete Mang; - return false; // success -}