#include "PPCPredicates.h"
#include "PPCTargetMachine.h"
#include "PPCSubtarget.h"
+#include "llvm/Analysis/DebugInfo.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/DwarfWriter.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/MathExtras.h"
#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/ADT/SmallString.h"
namespace {
class PPCAsmPrinter : public AsmPrinter {
protected:
- DenseMap<const MCSymbol*, const MCSymbol*> TOC;
+ DenseMap<MCSymbol*, MCSymbol*> TOC;
const PPCSubtarget &Subtarget;
uint64_t LabelID;
public:
- explicit PPCAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
- MCStreamer &Streamer)
- : AsmPrinter(O, TM, Streamer),
+ explicit PPCAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer),
Subtarget(TM.getSubtarget<PPCSubtarget>()), LabelID(0) {}
virtual const char *getPassName() const {
return "PowerPC Assembly Printer";
}
- PPCTargetMachine &getTM() {
- return static_cast<PPCTargetMachine&>(TM);
- }
-
unsigned enumRegToMachineReg(unsigned enumReg) {
switch (enumReg) {
default: llvm_unreachable("Unhandled register!");
raw_ostream &O) {
const MachineOperand &MO = MI->getOperand(OpNo);
if (TM.getRelocationModel() != Reloc::Static) {
- if (MO.getType() == MachineOperand::MO_GlobalAddress) {
- GlobalValue *GV = MO.getGlobal();
+ if (MO.isGlobal()) {
+ const GlobalValue *GV = MO.getGlobal();
if (GV->isDeclaration() || GV->isWeakForLinker()) {
// Dynamically-resolved functions need a stub for the function.
MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$stub");
return;
}
}
- if (MO.getType() == MachineOperand::MO_ExternalSymbol) {
+ if (MO.isSymbol()) {
SmallString<128> TempNameStr;
TempNameStr += StringRef(MO.getSymbolName());
TempNameStr += StringRef("$stub");
void printTOCEntryLabel(const MachineInstr *MI, unsigned OpNo,
raw_ostream &O) {
const MachineOperand &MO = MI->getOperand(OpNo);
- assert(MO.getType() == MachineOperand::MO_GlobalAddress);
- const MCSymbol *Sym = Mang->getSymbol(MO.getGlobal());
+ assert(MO.isGlobal());
+ MCSymbol *Sym = Mang->getSymbol(MO.getGlobal());
// Map symbol -> label of TOC entry.
- const MCSymbol *&TOCEntry = TOC[Sym];
+ MCSymbol *&TOCEntry = TOC[Sym];
if (TOCEntry == 0)
TOCEntry = OutContext.
GetOrCreateSymbol(StringRef(MAI->getPrivateGlobalPrefix()) +
void printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
raw_ostream &O, const char *Modifier);
+
+ MachineLocation getDebugValueLocation(const MachineInstr *MI) const {
+
+ MachineLocation Location;
+ assert (MI->getNumOperands() == 4 && "Invalid no. of machine operands!");
+ // Frame address. Currently handles register +- offset only.
+ if (MI->getOperand(0).isReg() && MI->getOperand(2).isImm())
+ Location.set(MI->getOperand(0).getReg(), MI->getOperand(2).getImm());
+ else {
+ DEBUG(dbgs() << "DBG_VALUE instruction ignored! " << *MI << "\n");
+ }
+ return Location;
+ }
};
/// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
class PPCLinuxAsmPrinter : public PPCAsmPrinter {
public:
- explicit PPCLinuxAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
- MCStreamer &Streamer)
- : PPCAsmPrinter(O, TM, Streamer) {}
+ explicit PPCLinuxAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : PPCAsmPrinter(TM, Streamer) {}
virtual const char *getPassName() const {
return "Linux PPC Assembly Printer";
bool doFinalization(Module &M);
virtual void EmitFunctionEntryLabel();
-
- void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesAll();
- AU.addRequired<MachineModuleInfo>();
- AU.addRequired<DwarfWriter>();
- PPCAsmPrinter::getAnalysisUsage(AU);
- }
};
/// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
/// OS X
class PPCDarwinAsmPrinter : public PPCAsmPrinter {
- formatted_raw_ostream &OS;
public:
- explicit PPCDarwinAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
- MCStreamer &Streamer)
- : PPCAsmPrinter(O, TM, Streamer), OS(O) {}
+ explicit PPCDarwinAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : PPCAsmPrinter(TM, Streamer) {}
virtual const char *getPassName() const {
return "Darwin PPC Assembly Printer";
void EmitStartOfAsmFile(Module &M);
void EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs);
-
- void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesAll();
- AU.addRequired<MachineModuleInfo>();
- AU.addRequired<DwarfWriter>();
- PPCAsmPrinter::getAnalysisUsage(AU);
- }
};
} // end of anonymous namespace
}
case MachineOperand::MO_GlobalAddress: {
// Computing the address of a global symbol, not calling it.
- GlobalValue *GV = MO.getGlobal();
+ const GlobalValue *GV = MO.getGlobal();
MCSymbol *SymToPrint;
// External or weakly linked global variables need non-lazily-resolved stubs
/// the current output stream.
///
void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
+ SmallString<128> Str;
+ raw_svector_ostream O(Str);
+
+ if (MI->getOpcode() == TargetOpcode::DBG_VALUE) {
+ unsigned NOps = MI->getNumOperands();
+ assert(NOps==4);
+ O << '\t' << MAI->getCommentString() << "DEBUG_VALUE: ";
+ // cast away const; DIetc do not take const operands for some reason.
+ DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata()));
+ O << V.getName();
+ O << " <- ";
+ // Frame address. Currently handles register +- offset only.
+ assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm());
+ O << '['; printOperand(MI, 0, O); O << '+'; printOperand(MI, 1, O);
+ O << ']';
+ O << "+";
+ printOperand(MI, NOps-2, O);
+ OutStreamer.EmitRawText(O.str());
+ return;
+ }
// Check for slwi/srwi mnemonics.
if (MI->getOpcode() == PPC::RLWINM) {
unsigned char SH = MI->getOperand(2).getImm();
O << ", ";
printOperand(MI, 1, O);
O << ", " << (unsigned int)SH;
- OutStreamer.AddBlankLine();
+ OutStreamer.EmitRawText(O.str());
return;
}
}
printOperand(MI, 0, O);
O << ", ";
printOperand(MI, 1, O);
- OutStreamer.AddBlankLine();
+ OutStreamer.EmitRawText(O.str());
return;
}
O << ", ";
printOperand(MI, 1, O);
O << ", " << (unsigned int)SH;
- OutStreamer.AddBlankLine();
+ OutStreamer.EmitRawText(O.str());
return;
}
}
printInstruction(MI, O);
- OutStreamer.AddBlankLine();
+ OutStreamer.EmitRawText(O.str());
}
void PPCLinuxAsmPrinter::EmitFunctionEntryLabel() {
// Emit an official procedure descriptor.
// FIXME 64-bit SVR4: Use MCSection here!
- O << "\t.section\t\".opd\",\"aw\"\n";
- O << "\t.align 3\n";
+ OutStreamer.EmitRawText(StringRef("\t.section\t\".opd\",\"aw\""));
+ OutStreamer.EmitRawText(StringRef("\t.align 3"));
OutStreamer.EmitLabel(CurrentFnSym);
- O << "\t.quad .L." << *CurrentFnSym << ",.TOC.@tocbase\n";
- O << "\t.previous\n";
- O << ".L." << *CurrentFnSym << ":\n";
+ OutStreamer.EmitRawText("\t.quad .L." + Twine(CurrentFnSym->getName()) +
+ ",.TOC.@tocbase");
+ OutStreamer.EmitRawText(StringRef("\t.previous"));
+ OutStreamer.EmitRawText(".L." + Twine(CurrentFnSym->getName()) + ":");
}
if (isPPC64 && !TOC.empty()) {
// FIXME 64-bit SVR4: Use MCSection here?
- O << "\t.section\t\".toc\",\"aw\"\n";
+ OutStreamer.EmitRawText(StringRef("\t.section\t\".toc\",\"aw\""));
// FIXME: This is nondeterminstic!
- for (DenseMap<const MCSymbol*, const MCSymbol*>::iterator I = TOC.begin(),
+ for (DenseMap<MCSymbol*, MCSymbol*>::iterator I = TOC.begin(),
E = TOC.end(); I != E; ++I) {
- O << *I->second << ":\n";
- O << "\t.tc " << *I->first << "[TC]," << *I->first << '\n';
+ OutStreamer.EmitLabel(I->second);
+ OutStreamer.EmitRawText("\t.tc " + Twine(I->first->getName()) +
+ "[TC]," + I->first->getName());
}
}
if (Subtarget.isPPC64() && Directive < PPC::DIR_970)
Directive = PPC::DIR_64;
assert(Directive <= PPC::DIR_64 && "Directive out of range.");
- O << "\t.machine " << CPUDirectives[Directive] << '\n';
+ OutStreamer.EmitRawText("\t.machine " + Twine(CPUDirectives[Directive]));
// Prime text sections so they are adjacent. This reduces the likelihood a
// large data or debug section causes a branch to exceed 16M limit.
- TargetLoweringObjectFileMachO &TLOFMacho =
- static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+ const TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection());
if (TM.getRelocationModel() == Reloc::PIC_) {
OutStreamer.SwitchSection(
- TLOFMacho.getMachOSection("__TEXT", "__picsymbolstub1",
+ OutContext.getMachOSection("__TEXT", "__picsymbolstub1",
MCSectionMachO::S_SYMBOL_STUBS |
MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
32, SectionKind::getText()));
} else if (TM.getRelocationModel() == Reloc::DynamicNoPIC) {
OutStreamer.SwitchSection(
- TLOFMacho.getMachOSection("__TEXT","__symbol_stub1",
+ OutContext.getMachOSection("__TEXT","__symbol_stub1",
MCSectionMachO::S_SYMBOL_STUBS |
MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
16, SectionKind::getText()));
OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
}
-static const MCSymbol *GetLazyPtr(const MCSymbol *Sym, MCContext &Ctx) {
+static MCSymbol *GetLazyPtr(MCSymbol *Sym, MCContext &Ctx) {
// Remove $stub suffix, add $lazy_ptr.
SmallString<128> TmpStr(Sym->getName().begin(), Sym->getName().end()-5);
TmpStr += "$lazy_ptr";
return Ctx.GetOrCreateSymbol(TmpStr.str());
}
-static const MCSymbol *GetAnonSym(const MCSymbol *Sym, MCContext &Ctx) {
+static MCSymbol *GetAnonSym(MCSymbol *Sym, MCContext &Ctx) {
// Add $tmp suffix to $stub, yielding $stub$tmp.
SmallString<128> TmpStr(Sym->getName().begin(), Sym->getName().end());
TmpStr += "$tmp";
EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs) {
bool isPPC64 = TM.getTargetData()->getPointerSizeInBits() == 64;
- TargetLoweringObjectFileMachO &TLOFMacho =
- static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+ const TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
// .lazy_symbol_pointer
const MCSection *LSPSection = TLOFMacho.getLazySymbolPointerSection();
// Output stubs for dynamically-linked functions
if (TM.getRelocationModel() == Reloc::PIC_) {
const MCSection *StubSection =
- TLOFMacho.getMachOSection("__TEXT", "__picsymbolstub1",
- MCSectionMachO::S_SYMBOL_STUBS |
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
- 32, SectionKind::getText());
+ OutContext.getMachOSection("__TEXT", "__picsymbolstub1",
+ MCSectionMachO::S_SYMBOL_STUBS |
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 32, SectionKind::getText());
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
OutStreamer.SwitchSection(StubSection);
EmitAlignment(4);
- const MCSymbol *Stub = Stubs[i].first;
- const MCSymbol *RawSym = Stubs[i].second.getPointer();
- const MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
- const MCSymbol *AnonSymbol = GetAnonSym(Stub, OutContext);
+ MCSymbol *Stub = Stubs[i].first;
+ MCSymbol *RawSym = Stubs[i].second.getPointer();
+ MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
+ MCSymbol *AnonSymbol = GetAnonSym(Stub, OutContext);
- O << *Stub << ":\n";
- O << "\t.indirect_symbol " << *RawSym << '\n';
- O << "\tmflr r0\n";
- O << "\tbcl 20,31," << *AnonSymbol << '\n';
- O << *AnonSymbol << ":\n";
- O << "\tmflr r11\n";
- O << "\taddis r11,r11,ha16(" << *LazyPtr << '-' << *AnonSymbol
- << ")\n";
- O << "\tmtlr r0\n";
- O << (isPPC64 ? "\tldu" : "\tlwzu") << " r12,lo16(" << *LazyPtr
- << '-' << *AnonSymbol << ")(r11)\n";
- O << "\tmtctr r12\n";
- O << "\tbctr\n";
+ OutStreamer.EmitLabel(Stub);
+ OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
+ // FIXME: MCize this.
+ OutStreamer.EmitRawText(StringRef("\tmflr r0"));
+ OutStreamer.EmitRawText("\tbcl 20,31," + Twine(AnonSymbol->getName()));
+ OutStreamer.EmitLabel(AnonSymbol);
+ OutStreamer.EmitRawText(StringRef("\tmflr r11"));
+ OutStreamer.EmitRawText("\taddis r11,r11,ha16("+Twine(LazyPtr->getName())+
+ "-" + AnonSymbol->getName() + ")");
+ OutStreamer.EmitRawText(StringRef("\tmtlr r0"));
+
+ if (isPPC64)
+ OutStreamer.EmitRawText("\tldu r12,lo16(" + Twine(LazyPtr->getName()) +
+ "-" + AnonSymbol->getName() + ")(r11)");
+ else
+ OutStreamer.EmitRawText("\tlwzu r12,lo16(" + Twine(LazyPtr->getName()) +
+ "-" + AnonSymbol->getName() + ")(r11)");
+ OutStreamer.EmitRawText(StringRef("\tmtctr r12"));
+ OutStreamer.EmitRawText(StringRef("\tbctr"));
OutStreamer.SwitchSection(LSPSection);
- O << *LazyPtr << ":\n";
- O << "\t.indirect_symbol " << *RawSym << '\n';
- O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
+ OutStreamer.EmitLabel(LazyPtr);
+ OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
+
+ if (isPPC64)
+ OutStreamer.EmitRawText(StringRef("\t.quad dyld_stub_binding_helper"));
+ else
+ OutStreamer.EmitRawText(StringRef("\t.long dyld_stub_binding_helper"));
}
- O << '\n';
+ OutStreamer.AddBlankLine();
return;
}
const MCSection *StubSection =
- TLOFMacho.getMachOSection("__TEXT","__symbol_stub1",
- MCSectionMachO::S_SYMBOL_STUBS |
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
- 16, SectionKind::getText());
+ OutContext.getMachOSection("__TEXT","__symbol_stub1",
+ MCSectionMachO::S_SYMBOL_STUBS |
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 16, SectionKind::getText());
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
- const MCSymbol *Stub = Stubs[i].first;
- const MCSymbol *RawSym = Stubs[i].second.getPointer();
- const MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
+ MCSymbol *Stub = Stubs[i].first;
+ MCSymbol *RawSym = Stubs[i].second.getPointer();
+ MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
OutStreamer.SwitchSection(StubSection);
EmitAlignment(4);
- O << *Stub << ":\n";
- O << "\t.indirect_symbol " << *RawSym << '\n';
- O << "\tlis r11,ha16(" << *LazyPtr << ")\n";
- O << (isPPC64 ? "\tldu" : "\tlwzu") << " r12,lo16(" << *LazyPtr
- << ")(r11)\n";
- O << "\tmtctr r12\n";
- O << "\tbctr\n";
+ OutStreamer.EmitLabel(Stub);
+ OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
+ OutStreamer.EmitRawText("\tlis r11,ha16(" + Twine(LazyPtr->getName()) +")");
+ if (isPPC64)
+ OutStreamer.EmitRawText("\tldu r12,lo16(" + Twine(LazyPtr->getName()) +
+ ")(r11)");
+ else
+ OutStreamer.EmitRawText("\tlwzu r12,lo16(" + Twine(LazyPtr->getName()) +
+ ")(r11)");
+ OutStreamer.EmitRawText(StringRef("\tmtctr r12"));
+ OutStreamer.EmitRawText(StringRef("\tbctr"));
OutStreamer.SwitchSection(LSPSection);
- O << *LazyPtr << ":\n";
- O << "\t.indirect_symbol " << *RawSym << '\n';
- O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
+ OutStreamer.EmitLabel(LazyPtr);
+ OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
+
+ if (isPPC64)
+ OutStreamer.EmitRawText(StringRef("\t.quad dyld_stub_binding_helper"));
+ else
+ OutStreamer.EmitRawText(StringRef("\t.long dyld_stub_binding_helper"));
}
- O << '\n';
+ OutStreamer.AddBlankLine();
}
bool isPPC64 = TM.getTargetData()->getPointerSizeInBits() == 64;
// Darwin/PPC always uses mach-o.
- TargetLoweringObjectFileMachO &TLOFMacho =
- static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+ const TargetLoweringObjectFileMachO &TLOFMacho =
+ static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
MachineModuleInfoMachO &MMIMacho =
MMI->getObjFileInfo<MachineModuleInfoMachO>();
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(),
+ const std::vector<const Function*> &Personalities = MMI->getPersonalities();
+ for (std::vector<const Function*>::const_iterator I = Personalities.begin(),
E = Personalities.end(); I != E; ++I) {
if (*I) {
MCSymbol *NLPSym = GetSymbolWithGlobalValueBase(*I, "$non_lazy_ptr");
/// for a MachineFunction to the given output stream, in a format that the
/// Darwin assembler can deal with.
///
-static AsmPrinter *createPPCAsmPrinterPass(formatted_raw_ostream &o,
- TargetMachine &tm,
+static AsmPrinter *createPPCAsmPrinterPass(TargetMachine &tm,
MCStreamer &Streamer) {
const PPCSubtarget *Subtarget = &tm.getSubtarget<PPCSubtarget>();
if (Subtarget->isDarwin())
- return new PPCDarwinAsmPrinter(o, tm, Streamer);
- return new PPCLinuxAsmPrinter(o, tm, Streamer);
+ return new PPCDarwinAsmPrinter(tm, Streamer);
+ return new PPCLinuxAsmPrinter(tm, Streamer);
}
// Force static initialization.
projects / oota-llvm.git / blobdiff