#include "llvm/Support/MathExtras.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Compiler.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/FormattedStream.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRegistry.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
namespace {
class VISIBILITY_HIDDEN 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 + "$stub",
+ Mangler::PrivatePrefixTy);
+ LazyPtr = Mang->makeNameProper(GV + "$lazy_ptr",
+ Mangler::PrivatePrefixTy);
+ AnonSymbol = Mang->makeNameProper(GV + "$stub$tmp",
+ Mangler::PrivatePrefixTy);
+ }
+ };
+
+ StringMap<FnStubInfo> FnStubs;
+ StringMap<std::string> GVStubs, HiddenGVStubs;
const PPCSubtarget &Subtarget;
public:
- explicit PPCAsmPrinter(raw_ostream &O, TargetMachine &TM,
- const TargetAsmInfo *T, CodeGenOpt::Level OL,
- bool V)
- : AsmPrinter(O, TM, T, OL, V),
+ explicit PPCAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const TargetAsmInfo *T, bool V)
+ : AsmPrinter(O, TM, T, V),
Subtarget(TM.getSubtarget<PPCSubtarget>()) {}
virtual const char *getPassName() const {
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
if (TM.getRelocationModel() != Reloc::Static) {
if (MO.getType() == MachineOperand::MO_GlobalAddress) {
GlobalValue *GV = MO.getGlobal();
- if (((GV->isDeclaration() || GV->hasWeakLinkage() ||
- GV->hasLinkOnceLinkage() || GV->hasCommonLinkage()))) {
+ 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;
}
}
/// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
class VISIBILITY_HIDDEN PPCLinuxAsmPrinter : public PPCAsmPrinter {
public:
- explicit PPCLinuxAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
- const TargetAsmInfo *T, CodeGenOpt::Level OL,
- bool V)
- : PPCAsmPrinter(O, TM, T, OL, V){}
+ explicit PPCLinuxAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const TargetAsmInfo *T, bool V)
+ : PPCAsmPrinter(O, TM, T, V){}
virtual const char *getPassName() const {
return "Linux PPC Assembly Printer";
/// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
/// OS X
class VISIBILITY_HIDDEN PPCDarwinAsmPrinter : public PPCAsmPrinter {
- raw_ostream &OS;
+ formatted_raw_ostream &OS;
public:
- explicit PPCDarwinAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
- const TargetAsmInfo *T, CodeGenOpt::Level OL,
- bool V)
- : PPCAsmPrinter(O, TM, T, OL, V), OS(O) {}
+ explicit PPCDarwinAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const TargetAsmInfo *T, bool V)
+ : PPCAsmPrinter(O, TM, T, V), OS(O) {}
virtual const char *getPassName() const {
return "Darwin PPC Assembly Printer";
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());
O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << MO.getIndex();
return;
- case MachineOperand::MO_ExternalSymbol:
+ case MachineOperand::MO_ExternalSymbol: {
// Computing the address of an external symbol, not calling it.
+ std::string Name(TAI->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 += "$non_lazy_ptr";
}
- O << TAI->getGlobalPrefix() << MO.getSymbolName();
+ O << Name;
return;
+ }
case MachineOperand::MO_GlobalAddress: {
// Computing the address of a global symbol, not calling it.
GlobalValue *GV = MO.getGlobal();
- std::string Name = Mang->getValueName(GV);
+ std::string Name;
// External or weakly linked global variables need non-lazily-resolved stubs
- if (TM.getRelocationModel() != Reloc::Static) {
- if (GV->isDeclaration() || GV->isWeakForLinker()) {
- if (GV->hasHiddenVisibility()) {
- if (!GV->isDeclaration() && !GV->hasCommonLinkage())
- O << Name;
- else {
- HiddenGVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- }
- } 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, "$non_lazy_ptr", true);
+ HiddenGVStubs[Mang->getMangledName(GV)] = Name;
+ } else {
+ Name = Mang->getMangledName(GV);
}
+ } else {
+ Name = Mang->getMangledName(GV);
}
O << Name;
///
void PPCAsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) {
std::string Name;
- getGlobalLinkName(GV, Name);
+
if (TM.getRelocationModel() != Reloc::Static) {
- if (GV->hasHiddenVisibility())
- HiddenGVStubs.insert(Name);
- else
- GVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- return;
+ Name = Mang->getMangledName(GV, "$non_lazy_ptr", true);
+ } else {
+ Name = Mang->getMangledName(GV);
}
O << Name;
}
if (printInstruction(MI))
return; // Printer was automatically generated
- assert(0 && "Unhandled instruction in asm writer!");
- abort();
- return;
+ llvm_unreachable("Unhandled instruction in asm writer!");
}
/// runOnMachineFunction - This uses the printMachineInstruction()
SwitchToSection(TAI->SectionForGlobal(F));
switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
+ default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::ExternalLinkage:
printVisibility(CurrentFnName, F->getVisibility());
- EmitAlignment(2, F);
+ EmitAlignment(MF.getAlignment(), F);
O << CurrentFnName << ":\n";
// Emit pre-function debug information.
/// 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) {
+static void PrintUnmangledNameSafely(const Value *V, formatted_raw_ostream &OS) {
for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
Name != E; ++Name)
if (isprint(*Name))
if (EmitSpecialLLVMGlobal(GVar))
return;
- std::string name = Mang->getValueName(GVar);
+ std::string name = Mang->getMangledName(GVar);
printVisibility(name, GVar->getVisibility());
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
break;
default:
- cerr << "Unknown linkage type!";
- abort();
+ llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GVar);
SwitchToSection(TAI->SectionForGlobal(F));
switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
+ default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::ExternalLinkage:
printVisibility(CurrentFnName, F->getVisibility());
- EmitAlignment(F->hasFnAttr(Attribute::OptimizeForSize) ? 2 : 4, F);
+ EmitAlignment(MF.getAlignment(), F);
O << CurrentFnName << ":\n";
// Emit pre-function debug information.
return;
}
- std::string name = Mang->getValueName(GVar);
-
+ std::string name = Mang->getMangledName(GVar);
printVisibility(name, GVar->getVisibility());
Constant *C = GVar->getInitializer();
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
break;
default:
- cerr << "Unknown linkage type!";
- abort();
+ llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GVar);
bool isPPC64 = TD->getPointerSizeInBits() == 64;
// Output stubs for dynamically-linked functions
- if (TM.getRelocationModel() == Reloc::PIC_) {
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
+ if (TM.getRelocationModel() == Reloc::PIC_ && !FnStubs.empty()) {
+ for (StringMap<FnStubInfo>::iterator I = FnStubs.begin(), E = FnStubs.end();
+ I != E; ++I) {
SwitchToTextSection("\t.section __TEXT,__picsymbolstub1,symbol_stubs,"
"pure_instructions,32");
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, "$lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
- if (isPPC64)
- O << "\t.quad dyld_stub_binding_helper\n";
- else
- O << "\t.long dyld_stub_binding_helper\n";
+ O << Info.LazyPtr << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
}
- } else {
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
+ } else if (!FnStubs.empty()) {
+ for (StringMap<FnStubInfo>::iterator I = FnStubs.begin(), E = FnStubs.end();
+ I != E; ++I) {
SwitchToTextSection("\t.section __TEXT,__symbol_stub1,symbol_stubs,"
"pure_instructions,16");
EmitAlignment(4);
- const char *p = i->getKeyData();
- printSuffixedName(p, "$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, "$lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
- if (isPPC64)
- O << "\t.quad dyld_stub_binding_helper\n";
- else
- O << "\t.long dyld_stub_binding_helper\n";
+ O << Info.LazyPtr << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
}
}
// Only referenced functions get into the Personalities list.
const std::vector<Function *> &Personalities = MMI->getPersonalities();
for (std::vector<Function *>::const_iterator I = Personalities.begin(),
- E = Personalities.end(); I != E; ++I)
- if (*I) GVStubs.insert("_" + (*I)->getName());
+ E = Personalities.end(); I != E; ++I) {
+ if (*I)
+ GVStubs[Mang->getMangledName(*I)] =
+ Mang->getMangledName(*I, "$non_lazy_ptr", true);
+ }
}
// Output stubs for external and common global variables.
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, "$non_lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << '\n';
- if (isPPC64)
- O << "\t.quad\t0\n";
- else
- O << "\t.long\t0\n";
+ for (StringMap<std::string>::iterator I = GVStubs.begin(),
+ E = GVStubs.end(); I != E; ++I) {
+ O << I->second << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << (isPPC64 ? "\t.quad\t0\n" : "\t.long\t0\n");
}
}
if (!HiddenGVStubs.empty()) {
SwitchToSection(TAI->getDataSection());
- for (StringSet<>::iterator i = HiddenGVStubs.begin(), e = HiddenGVStubs.end();
- i != e; ++i) {
- std::string p = i->getKeyData();
- EmitAlignment(isPPC64 ? 3 : 2);
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- if (isPPC64)
- O << "\t.quad\t";
- else
- O << "\t.long\t";
- O << p << '\n';
+ 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';
}
}
/// 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,
- CodeGenOpt::Level OptLevel,
+FunctionPass *llvm::createPPCAsmPrinterPass(formatted_raw_ostream &o,
+ TargetMachine &tm,
bool verbose) {
const PPCSubtarget *Subtarget = &tm.getSubtarget<PPCSubtarget>();
if (Subtarget->isDarwin()) {
- return new PPCDarwinAsmPrinter(o, tm, tm.getTargetAsmInfo(),
- OptLevel, verbose);
+ return new PPCDarwinAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
} else {
- return new PPCLinuxAsmPrinter(o, tm, tm.getTargetAsmInfo(),
- OptLevel, verbose);
+ return new PPCLinuxAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
}
}
-namespace {
- static struct Register {
- Register() {
- PPCTargetMachine::registerAsmPrinter(createPPCAsmPrinterPass);
- }
- } Registrator;
-}
-
-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