#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
-#include "llvm/MDNode.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRegistry.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetOptions.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
STATISTIC(EmittedInsts, "Number of machine instrs printed");
namespace {
- class VISIBILITY_HIDDEN PPCAsmPrinter : public AsmPrinter {
+ class PPCAsmPrinter : public AsmPrinter {
protected:
- StringSet<> FnStubs, GVStubs, HiddenGVStubs;
+ struct FnStubInfo {
+ std::string Stub, LazyPtr, AnonSymbol;
+
+ FnStubInfo() {}
+
+ void Init(const GlobalValue *GV, Mangler *Mang) {
+ // Already initialized.
+ if (!Stub.empty()) return;
+ Stub = Mang->getMangledName(GV, "$stub", true);
+ LazyPtr = Mang->getMangledName(GV, "$lazy_ptr", true);
+ AnonSymbol = Mang->getMangledName(GV, "$stub$tmp", true);
+ }
+
+ void Init(const std::string &GV, Mangler *Mang) {
+ // Already initialized.
+ if (!Stub.empty()) return;
+ Stub = Mang->makeNameProper(GV + "$stub",
+ Mangler::Private);
+ LazyPtr = Mang->makeNameProper(GV + "$lazy_ptr",
+ Mangler::Private);
+ AnonSymbol = Mang->makeNameProper(GV + "$stub$tmp",
+ Mangler::Private);
+ }
+ };
+
+ StringMap<FnStubInfo> FnStubs;
+ StringMap<std::string> GVStubs, HiddenGVStubs, TOC;
const PPCSubtarget &Subtarget;
+ uint64_t LabelID;
public:
- explicit PPCAsmPrinter(raw_ostream &O, TargetMachine &TM,
- const TargetAsmInfo *T, bool V)
+ explicit PPCAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const MCAsmInfo *T, bool V)
: AsmPrinter(O, TM, T, V),
- Subtarget(TM.getSubtarget<PPCSubtarget>()) {}
+ Subtarget(TM.getSubtarget<PPCSubtarget>()), LabelID(0) {}
virtual const char *getPassName() const {
return "PowerPC Assembly Printer";
unsigned enumRegToMachineReg(unsigned enumReg) {
switch (enumReg) {
- default: assert(0 && "Unhandled register!"); break;
+ default: llvm_unreachable("Unhandled register!");
case PPC::CR0: return 0;
case PPC::CR1: return 1;
case PPC::CR2: return 2;
case PPC::CR6: return 6;
case PPC::CR7: return 7;
}
- abort();
+ llvm_unreachable(0);
}
/// 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 printInstruction(const MachineInstr *MI);
+ static const char *getRegisterName(unsigned RegNo);
+
void printMachineInstruction(const MachineInstr *MI);
void printOp(const MachineOperand &MO);
return;
}
- const char *RegName = TM.getRegisterInfo()->get(RegNo).AsmName;
+ const char *RegName = getRegisterName(RegNo);
// Linux assembler (Others?) does not take register mnemonics.
// FIXME - What about special registers used in mfspr/mtspr?
if (!Subtarget.isDarwin()) RegName = stripRegisterPrefix(RegName);
GlobalValue *GV = MO.getGlobal();
if (GV->isDeclaration() || GV->isWeakForLinker()) {
// Dynamically-resolved functions need a stub for the function.
- std::string Name = Mang->getValueName(GV);
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
+ FnStubInfo &FnInfo = FnStubs[Mang->getMangledName(GV)];
+ FnInfo.Init(GV, Mang);
+ O << FnInfo.Stub;
return;
}
}
if (MO.getType() == MachineOperand::MO_ExternalSymbol) {
- std::string Name(TAI->getGlobalPrefix()); Name += MO.getSymbolName();
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
+ FnStubInfo &FnInfo =FnStubs[Mang->makeNameProper(MO.getSymbolName())];
+ FnInfo.Init(MO.getSymbolName(), Mang);
+ O << FnInfo.Stub;
return;
}
}
printOperand(MI, OpNo+1);
}
+ void printTOCEntryLabel(const MachineInstr *MI, unsigned OpNo) {
+ const MachineOperand &MO = MI->getOperand(OpNo);
+
+ assert(MO.getType() == MachineOperand::MO_GlobalAddress);
+
+ GlobalValue *GV = MO.getGlobal();
+
+ std::string Name = Mang->getMangledName(GV);
+
+ // Map symbol -> label of TOC entry.
+ if (TOC.count(Name) == 0) {
+ std::string Label;
+ Label += MAI->getPrivateGlobalPrefix();
+ Label += "C";
+ Label += utostr(LabelID++);
+
+ TOC[Name] = Label;
+ }
+
+ O << TOC[Name] << "@toc";
+ }
+
void printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
const char *Modifier);
virtual bool runOnMachineFunction(MachineFunction &F) = 0;
- virtual bool doFinalization(Module &M) = 0;
-
- virtual void EmitExternalGlobal(const GlobalVariable *GV);
};
/// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
- class VISIBILITY_HIDDEN PPCLinuxAsmPrinter : public PPCAsmPrinter {
+ class PPCLinuxAsmPrinter : public PPCAsmPrinter {
public:
- explicit PPCLinuxAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
- const TargetAsmInfo *T, bool V)
+ explicit PPCLinuxAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const MCAsmInfo *T, bool V)
: PPCAsmPrinter(O, TM, T, V){}
virtual const char *getPassName() const {
PPCAsmPrinter::getAnalysisUsage(AU);
}
- void printModuleLevelGV(const GlobalVariable* GVar);
+ void PrintGlobalVariable(const GlobalVariable *GVar);
};
/// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
/// OS X
- class VISIBILITY_HIDDEN PPCDarwinAsmPrinter : public PPCAsmPrinter {
- raw_ostream &OS;
+ class PPCDarwinAsmPrinter : public PPCAsmPrinter {
+ formatted_raw_ostream &OS;
public:
- explicit PPCDarwinAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
- const TargetAsmInfo *T, bool V)
+ explicit PPCDarwinAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const MCAsmInfo *T, bool V)
: PPCAsmPrinter(O, TM, T, V), OS(O) {}
virtual const char *getPassName() const {
}
bool runOnMachineFunction(MachineFunction &F);
- bool doInitialization(Module &M);
bool doFinalization(Module &M);
+ void EmitStartOfAsmFile(Module &M);
void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
PPCAsmPrinter::getAnalysisUsage(AU);
}
- void printModuleLevelGV(const GlobalVariable* GVar);
+ void PrintGlobalVariable(const GlobalVariable *GVar);
};
} // end of anonymous namespace
void PPCAsmPrinter::printOp(const MachineOperand &MO) {
switch (MO.getType()) {
case MachineOperand::MO_Immediate:
- cerr << "printOp() does not handle immediate values\n";
- abort();
- return;
+ llvm_unreachable("printOp() does not handle immediate values");
case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
+ GetMBBSymbol(MO.getMBB()->getNumber())->print(O, MAI);
return;
case MachineOperand::MO_JumpTableIndex:
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << MO.getIndex();
// FIXME: PIC relocation model
return;
case MachineOperand::MO_ConstantPoolIndex:
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
+ O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << MO.getIndex();
return;
- case MachineOperand::MO_ExternalSymbol:
+ case MachineOperand::MO_BlockAddress:
+ GetBlockAddressSymbol(MO.getBlockAddress())->print(O, MAI);
+ return;
+ case MachineOperand::MO_ExternalSymbol: {
// Computing the address of an external symbol, not calling it.
+ std::string Name(MAI->getGlobalPrefix());
+ Name += MO.getSymbolName();
+
if (TM.getRelocationModel() != Reloc::Static) {
- std::string Name(TAI->getGlobalPrefix()); Name += MO.getSymbolName();
- GVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- return;
+ GVStubs[Name] = Name+"$non_lazy_ptr";
+ Name += "$non_lazy_ptr";
}
- O << TAI->getGlobalPrefix() << MO.getSymbolName();
+ O << Name;
return;
+ }
case MachineOperand::MO_GlobalAddress: {
// Computing the address of a global symbol, not calling it.
GlobalValue *GV = MO.getGlobal();
- std::string Name = Mang->getValueName(GV);
+ std::string Name;
// External or weakly linked global variables need non-lazily-resolved stubs
- if (TM.getRelocationModel() != Reloc::Static) {
- if (GV->isDeclaration() || GV->isWeakForLinker()) {
- if (GV->hasHiddenVisibility()) {
- if (GV->isDeclaration() || GV->hasCommonLinkage() ||
- GV->hasAvailableExternallyLinkage()) {
- HiddenGVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- } else {
- O << Name;
- }
- } else {
- GVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- }
- return;
+ if (TM.getRelocationModel() != Reloc::Static &&
+ (GV->isDeclaration() || GV->isWeakForLinker())) {
+ if (!GV->hasHiddenVisibility()) {
+ Name = Mang->getMangledName(GV, "$non_lazy_ptr", true);
+ GVStubs[Mang->getMangledName(GV)] = Name;
+ } else if (GV->isDeclaration() || GV->hasCommonLinkage() ||
+ GV->hasAvailableExternallyLinkage()) {
+ Name = Mang->getMangledName(GV, "$non_lazy_ptr", true);
+ HiddenGVStubs[Mang->getMangledName(GV)] = Name;
+ } else {
+ Name = Mang->getMangledName(GV);
}
+ } else {
+ Name = Mang->getMangledName(GV);
}
O << Name;
}
}
-/// EmitExternalGlobal - In this case we need to use the indirect symbol.
-///
-void PPCAsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) {
- std::string Name;
- getGlobalLinkName(GV, Name);
- if (TM.getRelocationModel() != Reloc::Static) {
- if (GV->hasHiddenVisibility())
- HiddenGVStubs.insert(Name);
- else
- GVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- return;
- }
- O << Name;
-}
-
/// PrintAsmOperand - Print out an operand for an inline asm expression.
///
bool PPCAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
return false;
}
+// At the moment, all inline asm memory operands are a single register.
+// In any case, the output of this routine should always be just one
+// assembler operand.
+
bool PPCAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant,
const char *ExtraCode) {
if (ExtraCode && ExtraCode[0])
return true; // Unknown modifier.
- if (MI->getOperand(OpNo).isReg())
- printMemRegReg(MI, OpNo);
- else
- printMemRegImm(MI, OpNo);
+ assert (MI->getOperand(OpNo).isReg());
+ O << "0(";
+ printOperand(MI, OpNo);
+ O << ")";
return false;
}
///
void PPCAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
++EmittedInsts;
+
+ processDebugLoc(MI, true);
// Check for slwi/srwi mnemonics.
if (MI->getOpcode() == PPC::RLWINM) {
}
}
- if (printInstruction(MI))
- return; // Printer was automatically generated
+ printInstruction(MI);
+
+ if (VerboseAsm && !MI->getDebugLoc().isUnknown())
+ EmitComments(*MI);
+ O << '\n';
- assert(0 && "Unhandled instruction in asm writer!");
- abort();
- return;
+ processDebugLoc(MI, false);
}
/// runOnMachineFunction - This uses the printMachineInstruction()
// Print out labels for the function.
const Function *F = MF.getFunction();
- SwitchToSection(TAI->SectionForGlobal(F));
+ OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
+ default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
O << "\t.global\t" << CurrentFnName << '\n'
<< "\t.type\t" << CurrentFnName << ", @function\n";
break;
+ case Function::LinkerPrivateLinkage:
case Function::WeakAnyLinkage:
case Function::WeakODRLinkage:
case Function::LinkOnceAnyLinkage:
printVisibility(CurrentFnName, F->getVisibility());
EmitAlignment(MF.getAlignment(), F);
- O << CurrentFnName << ":\n";
+
+ if (Subtarget.isPPC64()) {
+ // Emit an official procedure descriptor.
+ // FIXME 64-bit SVR4: Use MCSection here?
+ O << "\t.section\t\".opd\",\"aw\"\n";
+ O << "\t.align 3\n";
+ O << CurrentFnName << ":\n";
+ O << "\t.quad .L." << CurrentFnName << ",.TOC.@tocbase\n";
+ O << "\t.previous\n";
+ O << ".L." << CurrentFnName << ":\n";
+ } else {
+ O << CurrentFnName << ":\n";
+ }
// Emit pre-function debug information.
DW->BeginFunction(&MF);
I != E; ++I) {
// Print a label for the basic block.
if (I != MF.begin()) {
- printBasicBlockLabel(I, true, true);
- O << '\n';
+ EmitBasicBlockStart(I);
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
// Print out jump tables referenced by the function.
EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
- SwitchToSection(TAI->SectionForGlobal(F));
+ OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
// Emit post-function debug information.
DW->EndFunction(&MF);
- O.flush();
-
// We didn't modify anything.
return false;
}
-/// PrintUnmangledNameSafely - Print out the printable characters in the name.
-/// Don't print things like \\n or \\0.
-static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
- for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
- Name != E; ++Name)
- if (isprint(*Name))
- OS << *Name;
-}
-
-void PPCLinuxAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
+void PPCLinuxAsmPrinter::PrintGlobalVariable(const GlobalVariable *GVar) {
const TargetData *TD = TM.getTargetData();
if (!GVar->hasInitializer())
if (EmitSpecialLLVMGlobal(GVar))
return;
- std::string name = Mang->getValueName(GVar);
+ std::string name = Mang->getMangledName(GVar);
printVisibility(name, GVar->getVisibility());
Constant *C = GVar->getInitializer();
- if (isa<MDNode>(C) || isa<MDString>(C))
- return;
const Type *Type = C->getType();
unsigned Size = TD->getTypeAllocSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
- SwitchToSection(TAI->SectionForGlobal(GVar));
+ OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(GVar, Mang,
+ TM));
if (C->isNullValue() && /* FIXME: Verify correct */
!GVar->hasSection() &&
O << name << ":\n";
O << "\t.zero " << Size << '\n';
} else if (GVar->hasLocalLinkage()) {
- O << TAI->getLCOMMDirective() << name << ',' << Size;
+ O << MAI->getLCOMMDirective() << name << ',' << Size;
} else {
O << ".comm " << name << ',' << Size;
}
if (VerboseAsm) {
- O << "\t\t" << TAI->getCommentString() << " '";
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t" << MAI->getCommentString() << " '";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
O << "'";
}
O << '\n';
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::CommonLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
O << "\t.global " << name << '\n'
<< "\t.type " << name << ", @object\n"
<< "\t.weak " << name << '\n';
case GlobalValue::PrivateLinkage:
break;
default:
- cerr << "Unknown linkage type!";
- abort();
+ llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GVar);
O << name << ":";
if (VerboseAsm) {
- O << "\t\t\t\t" << TAI->getCommentString() << " '";
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t\t\t" << MAI->getCommentString() << " '";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
O << "'";
}
O << '\n';
}
bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
- // Print out module-level global variables here.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I)
- printModuleLevelGV(I);
+ const TargetData *TD = TM.getTargetData();
+
+ bool isPPC64 = TD->getPointerSizeInBits() == 64;
+
+ if (isPPC64 && !TOC.empty()) {
+ // FIXME 64-bit SVR4: Use MCSection here?
+ O << "\t.section\t\".toc\",\"aw\"\n";
+
+ for (StringMap<std::string>::iterator I = TOC.begin(), E = TOC.end();
+ I != E; ++I) {
+ O << I->second << ":\n";
+ O << "\t.tc " << I->getKeyData() << "[TC]," << I->getKeyData() << '\n';
+ }
+ }
return AsmPrinter::doFinalization(M);
}
// Print out labels for the function.
const Function *F = MF.getFunction();
- SwitchToSection(TAI->SectionForGlobal(F));
+ OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
+ default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::WeakODRLinkage:
case Function::LinkOnceAnyLinkage:
case Function::LinkOnceODRLinkage:
+ case Function::LinkerPrivateLinkage:
O << "\t.globl\t" << CurrentFnName << '\n';
O << "\t.weak_definition\t" << CurrentFnName << '\n';
break;
I != E; ++I) {
// Print a label for the basic block.
if (I != MF.begin()) {
- printBasicBlockLabel(I, true, true, VerboseAsm);
- O << '\n';
+ EmitBasicBlockStart(I);
}
for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
II != IE; ++II) {
}
-bool PPCDarwinAsmPrinter::doInitialization(Module &M) {
+void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) {
static const char *const CPUDirectives[] = {
"",
"ppc",
assert(Directive <= PPC::DIR_64 && "Directive out of range.");
O << "\t.machine " << CPUDirectives[Directive] << '\n';
- bool Result = AsmPrinter::doInitialization(M);
- assert(MMI);
-
// Prime text sections so they are adjacent. This reduces the likelihood a
// large data or debug section causes a branch to exceed 16M limit.
- SwitchToTextSection("\t.section __TEXT,__textcoal_nt,coalesced,"
- "pure_instructions");
+ TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+ OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection());
if (TM.getRelocationModel() == Reloc::PIC_) {
- SwitchToTextSection("\t.section __TEXT,__picsymbolstub1,symbol_stubs,"
- "pure_instructions,32");
+ OutStreamer.SwitchSection(
+ TLOFMacho.getMachOSection("__TEXT", "__picsymbolstub1",
+ MCSectionMachO::S_SYMBOL_STUBS |
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 32, SectionKind::getText()));
} else if (TM.getRelocationModel() == Reloc::DynamicNoPIC) {
- SwitchToTextSection("\t.section __TEXT,__symbol_stub1,symbol_stubs,"
- "pure_instructions,16");
+ OutStreamer.SwitchSection(
+ TLOFMacho.getMachOSection("__TEXT","__symbol_stub1",
+ MCSectionMachO::S_SYMBOL_STUBS |
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 16, SectionKind::getText()));
}
- SwitchToSection(TAI->getTextSection());
-
- return Result;
+ OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
}
-void PPCDarwinAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
+void PPCDarwinAsmPrinter::PrintGlobalVariable(const GlobalVariable *GVar) {
const TargetData *TD = TM.getTargetData();
if (!GVar->hasInitializer())
return;
}
- std::string name = Mang->getValueName(GVar);
-
+ std::string name = Mang->getMangledName(GVar);
printVisibility(name, GVar->getVisibility());
Constant *C = GVar->getInitializer();
unsigned Size = TD->getTypeAllocSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
- SwitchToSection(TAI->SectionForGlobal(GVar));
+ const MCSection *TheSection =
+ getObjFileLowering().SectionForGlobal(GVar, Mang, TM);
+ OutStreamer.SwitchSection(TheSection);
+ /// FIXME: Drive this off the section!
if (C->isNullValue() && /* FIXME: Verify correct */
!GVar->hasSection() &&
(GVar->hasLocalLinkage() || GVar->hasExternalLinkage() ||
GVar->isWeakForLinker()) &&
- TAI->SectionKindForGlobal(GVar) != SectionKind::RODataMergeStr) {
+ // Don't put things that should go in the cstring section into "comm".
+ !TheSection->getKind().isMergeableCString()) {
if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
if (GVar->hasExternalLinkage()) {
O << "\t.zerofill __DATA, __common, " << name << ", "
<< Size << ", " << Align;
} else if (GVar->hasLocalLinkage()) {
- O << TAI->getLCOMMDirective() << name << ',' << Size << ',' << Align;
+ O << MAI->getLCOMMDirective() << name << ',' << Size << ',' << Align;
} else if (!GVar->hasCommonLinkage()) {
O << "\t.globl " << name << '\n'
- << TAI->getWeakDefDirective() << name << '\n';
+ << MAI->getWeakDefDirective() << name << '\n';
EmitAlignment(Align, GVar);
O << name << ":";
if (VerboseAsm) {
- O << "\t\t\t\t" << TAI->getCommentString() << " ";
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t\t\t" << MAI->getCommentString() << " ";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
}
O << '\n';
EmitGlobalConstant(C);
O << ',' << Align;
}
if (VerboseAsm) {
- O << "\t\t" << TAI->getCommentString() << " '";
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t" << MAI->getCommentString() << " '";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
O << "'";
}
O << '\n';
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::CommonLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
O << "\t.globl " << name << '\n'
<< "\t.weak_definition " << name << '\n';
break;
case GlobalValue::PrivateLinkage:
break;
default:
- cerr << "Unknown linkage type!";
- abort();
+ llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GVar);
O << name << ":";
if (VerboseAsm) {
- O << "\t\t\t\t" << TAI->getCommentString() << " '";
- PrintUnmangledNameSafely(GVar, O);
+ O << "\t\t\t\t" << MAI->getCommentString() << " '";
+ WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
O << "'";
}
O << '\n';
bool PPCDarwinAsmPrinter::doFinalization(Module &M) {
const TargetData *TD = TM.getTargetData();
- // Print out module-level global variables here.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I)
- printModuleLevelGV(I);
-
bool isPPC64 = TD->getPointerSizeInBits() == 64;
+ // Darwin/PPC always uses mach-o.
+ TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+
+
+ const MCSection *LSPSection = 0;
+ if (!FnStubs.empty()) // .lazy_symbol_pointer
+ LSPSection = TLOFMacho.getLazySymbolPointerSection();
+
+
// Output stubs for dynamically-linked functions
- if (TM.getRelocationModel() == Reloc::PIC_) {
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
- SwitchToTextSection("\t.section __TEXT,__picsymbolstub1,symbol_stubs,"
- "pure_instructions,32");
+ if (TM.getRelocationModel() == Reloc::PIC_ && !FnStubs.empty()) {
+ const MCSection *StubSection =
+ TLOFMacho.getMachOSection("__TEXT", "__picsymbolstub1",
+ MCSectionMachO::S_SYMBOL_STUBS |
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 32, SectionKind::getText());
+ for (StringMap<FnStubInfo>::iterator I = FnStubs.begin(), E = FnStubs.end();
+ I != E; ++I) {
+ OutStreamer.SwitchSection(StubSection);
EmitAlignment(4);
- const char *p = i->getKeyData();
- bool hasQuote = p[0]=='\"';
- printSuffixedName(p, "$stub");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
+ const FnStubInfo &Info = I->second;
+ O << Info.Stub << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
O << "\tmflr r0\n";
- O << "\tbcl 20,31,";
- if (hasQuote)
- O << "\"L0$" << &p[1];
- else
- O << "L0$" << p;
- O << '\n';
- if (hasQuote)
- O << "\"L0$" << &p[1];
- else
- O << "L0$" << p;
- O << ":\n";
+ O << "\tbcl 20,31," << Info.AnonSymbol << '\n';
+ O << Info.AnonSymbol << ":\n";
O << "\tmflr r11\n";
- O << "\taddis r11,r11,ha16(";
- printSuffixedName(p, "$lazy_ptr");
- O << "-";
- if (hasQuote)
- O << "\"L0$" << &p[1];
- else
- O << "L0$" << p;
+ O << "\taddis r11,r11,ha16(" << Info.LazyPtr << "-" << Info.AnonSymbol;
O << ")\n";
O << "\tmtlr r0\n";
- if (isPPC64)
- O << "\tldu r12,lo16(";
- else
- O << "\tlwzu r12,lo16(";
- printSuffixedName(p, "$lazy_ptr");
- O << "-";
- if (hasQuote)
- O << "\"L0$" << &p[1];
- else
- O << "L0$" << p;
- O << ")(r11)\n";
+ O << (isPPC64 ? "\tldu" : "\tlwzu") << " r12,lo16(";
+ O << Info.LazyPtr << "-" << Info.AnonSymbol << ")(r11)\n";
O << "\tmtctr r12\n";
O << "\tbctr\n";
- SwitchToDataSection(".lazy_symbol_pointer");
- printSuffixedName(p, "$lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
- if (isPPC64)
- O << "\t.quad dyld_stub_binding_helper\n";
- else
- O << "\t.long dyld_stub_binding_helper\n";
+
+ OutStreamer.SwitchSection(LSPSection);
+ O << Info.LazyPtr << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
}
- } else {
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
- SwitchToTextSection("\t.section __TEXT,__symbol_stub1,symbol_stubs,"
- "pure_instructions,16");
+ } else if (!FnStubs.empty()) {
+ const MCSection *StubSection =
+ TLOFMacho.getMachOSection("__TEXT","__symbol_stub1",
+ MCSectionMachO::S_SYMBOL_STUBS |
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 16, SectionKind::getText());
+
+ for (StringMap<FnStubInfo>::iterator I = FnStubs.begin(), E = FnStubs.end();
+ I != E; ++I) {
+ OutStreamer.SwitchSection(StubSection);
EmitAlignment(4);
- const char *p = i->getKeyData();
- printSuffixedName(p, "$stub");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
- O << "\tlis r11,ha16(";
- printSuffixedName(p, "$lazy_ptr");
- O << ")\n";
- if (isPPC64)
- O << "\tldu r12,lo16(";
- else
- O << "\tlwzu r12,lo16(";
- printSuffixedName(p, "$lazy_ptr");
- O << ")(r11)\n";
+ const FnStubInfo &Info = I->second;
+ O << Info.Stub << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << "\tlis r11,ha16(" << Info.LazyPtr << ")\n";
+ O << (isPPC64 ? "\tldu" : "\tlwzu") << " r12,lo16(";
+ O << Info.LazyPtr << ")(r11)\n";
O << "\tmtctr r12\n";
O << "\tbctr\n";
- SwitchToDataSection(".lazy_symbol_pointer");
- printSuffixedName(p, "$lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
- if (isPPC64)
- O << "\t.quad dyld_stub_binding_helper\n";
- else
- O << "\t.long dyld_stub_binding_helper\n";
+ OutStreamer.SwitchSection(LSPSection);
+ O << Info.LazyPtr << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
}
}
O << '\n';
- if (TAI->doesSupportExceptionHandling() && MMI) {
+ if (MAI->doesSupportExceptionHandling() && MMI) {
// Add the (possibly multiple) personalities to the set of global values.
// Only referenced functions get into the Personalities list.
const std::vector<Function *> &Personalities = MMI->getPersonalities();
for (std::vector<Function *>::const_iterator I = Personalities.begin(),
- E = Personalities.end(); I != E; ++I)
- if (*I) GVStubs.insert("_" + (*I)->getName());
+ E = Personalities.end(); I != E; ++I) {
+ if (*I)
+ GVStubs[Mang->getMangledName(*I)] =
+ Mang->getMangledName(*I, "$non_lazy_ptr", true);
+ }
}
- // Output stubs for external and common global variables.
+ // Output macho stubs for external and common global variables.
if (!GVStubs.empty()) {
- SwitchToDataSection(".non_lazy_symbol_pointer");
- for (StringSet<>::iterator i = GVStubs.begin(), e = GVStubs.end();
- i != e; ++i) {
- std::string p = i->getKeyData();
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
- if (isPPC64)
- O << "\t.quad\t0\n";
- else
- O << "\t.long\t0\n";
+ // Switch with ".non_lazy_symbol_pointer" directive.
+ OutStreamer.SwitchSection(TLOFMacho.getNonLazySymbolPointerSection());
+ EmitAlignment(isPPC64 ? 3 : 2);
+
+ for (StringMap<std::string>::iterator I = GVStubs.begin(),
+ E = GVStubs.end(); I != E; ++I) {
+ O << I->second << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << (isPPC64 ? "\t.quad\t0\n" : "\t.long\t0\n");
}
}
if (!HiddenGVStubs.empty()) {
- SwitchToSection(TAI->getDataSection());
- for (StringSet<>::iterator i = HiddenGVStubs.begin(), e = HiddenGVStubs.end();
- i != e; ++i) {
- std::string p = i->getKeyData();
- EmitAlignment(isPPC64 ? 3 : 2);
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- if (isPPC64)
- O << "\t.quad\t";
- else
- O << "\t.long\t";
- O << p << '\n';
+ OutStreamer.SwitchSection(getObjFileLowering().getDataSection());
+ EmitAlignment(isPPC64 ? 3 : 2);
+ for (StringMap<std::string>::iterator I = HiddenGVStubs.begin(),
+ E = HiddenGVStubs.end(); I != E; ++I) {
+ O << I->second << ":\n";
+ O << (isPPC64 ? "\t.quad\t" : "\t.long\t") << I->getKeyData() << '\n';
}
}
// implementation of multiple entry points). If this doesn't occur, the
// linker can safely perform dead code stripping. Since LLVM never generates
// code that does this, it is always safe to set.
- O << "\t.subsections_via_symbols\n";
+ OutStreamer.EmitAssemblerFlag(MCStreamer::SubsectionsViaSymbols);
return AsmPrinter::doFinalization(M);
}
/// for a MachineFunction to the given output stream, in a format that the
/// Darwin assembler can deal with.
///
-FunctionPass *llvm::createPPCAsmPrinterPass(raw_ostream &o,
- PPCTargetMachine &tm,
- bool verbose) {
+static AsmPrinter *createPPCAsmPrinterPass(formatted_raw_ostream &o,
+ TargetMachine &tm,
+ const MCAsmInfo *tai,
+ bool verbose) {
const PPCSubtarget *Subtarget = &tm.getSubtarget<PPCSubtarget>();
- if (Subtarget->isDarwin()) {
- return new PPCDarwinAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
- } else {
- return new PPCLinuxAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
- }
-}
-
-namespace {
- static struct Register {
- Register() {
- PPCTargetMachine::registerAsmPrinter(createPPCAsmPrinterPass);
- }
- } Registrator;
+ if (Subtarget->isDarwin())
+ return new PPCDarwinAsmPrinter(o, tm, tai, verbose);
+ return new PPCLinuxAsmPrinter(o, tm, tai, verbose);
}
-extern "C" int PowerPCAsmPrinterForceLink;
-int PowerPCAsmPrinterForceLink = 0;
-
// Force static initialization.
-extern "C" void LLVMInitializePowerPCAsmPrinter() { }
+extern "C" void LLVMInitializePowerPCAsmPrinter() {
+ TargetRegistry::RegisterAsmPrinter(ThePPC32Target, createPPCAsmPrinterPass);
+ TargetRegistry::RegisterAsmPrinter(ThePPC64Target, createPPCAsmPrinterPass);
+}
projects / oota-llvm.git / blobdiff